change default snd_soundradius back to 1000, matching Quake
[divverent/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "sv_demo.h"
24 #include "libcurl.h"
25 #include "csprogs.h"
26
27 static void SV_SaveEntFile_f(void);
28 static void SV_StartDownload_f(void);
29 static void SV_Download_f(void);
30 static void SV_VM_Setup(void);
31 extern cvar_t net_connecttimeout;
32
33 void VM_CustomStats_Clear (void);
34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
35
36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
40
41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
52
53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
72 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
73 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
74 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
75 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
76 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
77 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
80 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
82 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
88 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
89 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
92 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
93 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
94 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
97 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
98 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
99 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
100 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
101 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
102 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
103 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
106 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
107 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
108 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
109 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
113 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
114 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
115 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
116 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
118 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
119 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
120 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
121 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
122 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
123 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
124 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
125 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
126 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
127 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
128 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
129 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
130 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
131 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
132 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
133 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
134 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
135 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
136 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
137 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
138 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
139 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
140 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
141 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
142 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
143 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
144 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
145 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
146 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
147 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
148 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
149 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
150 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
151 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
152
153 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
154 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
155 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
156 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
157 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
158 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
159 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
160 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
161 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
162 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
163
164 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
174 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
175 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
176 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
177 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
178 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
179 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
180 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
181 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
182 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
183 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
184 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
185
186 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
187 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
188 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
189
190 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
191
192 server_t sv;
193 server_static_t svs;
194
195 mempool_t *sv_mempool = NULL;
196
197 extern cvar_t slowmo;
198 extern float            scr_centertime_off;
199
200 // MUST match effectnameindex_t in client.h
201 static const char *standardeffectnames[EFFECT_TOTAL] =
202 {
203         "",
204         "TE_GUNSHOT",
205         "TE_GUNSHOTQUAD",
206         "TE_SPIKE",
207         "TE_SPIKEQUAD",
208         "TE_SUPERSPIKE",
209         "TE_SUPERSPIKEQUAD",
210         "TE_WIZSPIKE",
211         "TE_KNIGHTSPIKE",
212         "TE_EXPLOSION",
213         "TE_EXPLOSIONQUAD",
214         "TE_TAREXPLOSION",
215         "TE_TELEPORT",
216         "TE_LAVASPLASH",
217         "TE_SMALLFLASH",
218         "TE_FLAMEJET",
219         "EF_FLAME",
220         "TE_BLOOD",
221         "TE_SPARK",
222         "TE_PLASMABURN",
223         "TE_TEI_G3",
224         "TE_TEI_SMOKE",
225         "TE_TEI_BIGEXPLOSION",
226         "TE_TEI_PLASMAHIT",
227         "EF_STARDUST",
228         "TR_ROCKET",
229         "TR_GRENADE",
230         "TR_BLOOD",
231         "TR_WIZSPIKE",
232         "TR_SLIGHTBLOOD",
233         "TR_KNIGHTSPIKE",
234         "TR_VORESPIKE",
235         "TR_NEHAHRASMOKE",
236         "TR_NEXUIZPLASMA",
237         "TR_GLOWTRAIL",
238         "SVC_PARTICLE"
239 };
240
241 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
242
243 prvm_required_field_t reqfields[] =
244 {
245         {ev_entity, "cursor_trace_ent"},
246         {ev_entity, "drawonlytoclient"},
247         {ev_entity, "exteriormodeltoclient"},
248         {ev_entity, "nodrawtoclient"},
249         {ev_entity, "tag_entity"},
250         {ev_entity, "viewmodelforclient"},
251         {ev_float, "SendFlags"},
252         {ev_float, "Version"},
253         {ev_float, "alpha"},
254         {ev_float, "ammo_cells1"},
255         {ev_float, "ammo_lava_nails"},
256         {ev_float, "ammo_multi_rockets"},
257         {ev_float, "ammo_nails1"},
258         {ev_float, "ammo_plasma"},
259         {ev_float, "ammo_rockets1"},
260         {ev_float, "ammo_shells1"},
261         {ev_float, "button3"},
262         {ev_float, "button4"},
263         {ev_float, "button5"},
264         {ev_float, "button6"},
265         {ev_float, "button7"},
266         {ev_float, "button8"},
267         {ev_float, "button9"},
268         {ev_float, "button10"},
269         {ev_float, "button11"},
270         {ev_float, "button12"},
271         {ev_float, "button13"},
272         {ev_float, "button14"},
273         {ev_float, "button15"},
274         {ev_float, "button16"},
275         {ev_float, "buttonchat"},
276         {ev_float, "buttonuse"},
277         {ev_float, "clientcolors"},
278         {ev_float, "cursor_active"},
279         {ev_float, "disableclientprediction"},
280         {ev_float, "fullbright"},
281         {ev_float, "glow_color"},
282         {ev_float, "glow_size"},
283         {ev_float, "glow_trail"},
284         {ev_float, "gravity"},
285         {ev_float, "idealpitch"},
286         {ev_float, "items2"},
287         {ev_float, "light_lev"},
288         {ev_float, "modelflags"},
289         {ev_float, "pflags"},
290         {ev_float, "ping"},
291         {ev_float, "pitch_speed"},
292         {ev_float, "pmodel"},
293         {ev_float, "renderamt"}, // HalfLife support
294         {ev_float, "rendermode"}, // HalfLife support
295         {ev_float, "scale"},
296         {ev_float, "style"},
297         {ev_float, "tag_index"},
298         {ev_float, "viewzoom"},
299         {ev_function, "SendEntity"},
300         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
301         {ev_function, "customizeentityforclient"},
302         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
303         {ev_string, "netaddress"},
304         {ev_string, "playermodel"},
305         {ev_string, "playerskin"},
306         {ev_vector, "color"},
307         {ev_vector, "colormod"},
308         {ev_vector, "cursor_screen"},
309         {ev_vector, "cursor_trace_endpos"},
310         {ev_vector, "cursor_trace_start"},
311         {ev_vector, "glowmod"},
312         {ev_vector, "movement"},
313         {ev_vector, "punchvector"},
314
315         // physics
316         //{ev_float, "solid"},
317         //{ev_float, "movetype"},
318         //{ev_float, "modelindex"},
319         {ev_vector, "mass"},
320         //{ev_vector, "origin"},
321         //{ev_vector, "velocity"},
322         //{ev_vector, "axis_forward"},
323         //{ev_vector, "axis_left"},
324         //{ev_vector, "axis_up"},
325         //{ev_vector, "spinvelocity"},
326         //{ev_vector, "angles"},
327         //{ev_vector, "avelocity"},
328
329 };
330
331
332
333 //============================================================================
334
335 void SV_AreaStats_f(void)
336 {
337         World_PrintAreaStats(&sv.world, "server");
338 }
339
340 /*
341 ===============
342 SV_Init
343 ===============
344 */
345 void SV_Init (void)
346 {
347         // init the csqc progs cvars, since they are updated/used by the server code
348         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
349         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
350         extern cvar_t csqc_progcrc;
351         extern cvar_t csqc_progsize;
352
353         Cvar_RegisterVariable(&sv_worldmessage);
354         Cvar_RegisterVariable(&sv_worldname);
355         Cvar_RegisterVariable(&sv_worldnamenoextension);
356         Cvar_RegisterVariable(&sv_worldbasename);
357
358         Cvar_RegisterVariable (&csqc_progname);
359         Cvar_RegisterVariable (&csqc_progcrc);
360         Cvar_RegisterVariable (&csqc_progsize);
361
362         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
363         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
364         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
365         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
366
367         Cvar_RegisterVariable (&coop);
368         Cvar_RegisterVariable (&deathmatch);
369         Cvar_RegisterVariable (&fraglimit);
370         Cvar_RegisterVariable (&gamecfg);
371         Cvar_RegisterVariable (&noexit);
372         Cvar_RegisterVariable (&nomonsters);
373         Cvar_RegisterVariable (&pausable);
374         Cvar_RegisterVariable (&pr_checkextension);
375         Cvar_RegisterVariable (&samelevel);
376         Cvar_RegisterVariable (&skill);
377         Cvar_RegisterVariable (&slowmo);
378         Cvar_RegisterVariable (&sv_accelerate);
379         Cvar_RegisterVariable (&sv_aim);
380         Cvar_RegisterVariable (&sv_airaccel_qw);
381         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
382         Cvar_RegisterVariable (&sv_airaccelerate);
383         Cvar_RegisterVariable (&sv_airstopaccelerate);
384         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
385         Cvar_RegisterVariable (&sv_maxairstrafespeed);
386         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
387         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
388         Cvar_RegisterVariable (&sv_aircontrol);
389         Cvar_RegisterVariable (&sv_aircontrol_power);
390         Cvar_RegisterVariable (&sv_aircontrol_penalty);
391         Cvar_RegisterVariable (&sv_allowdownloads);
392         Cvar_RegisterVariable (&sv_allowdownloads_archive);
393         Cvar_RegisterVariable (&sv_allowdownloads_config);
394         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
395         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
396         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
397         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
398         Cvar_RegisterVariable (&sv_clmovement_enable);
399         Cvar_RegisterVariable (&sv_clmovement_minping);
400         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
401         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
402         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
403         Cvar_RegisterVariable (&sv_cullentities_pvs);
404         Cvar_RegisterVariable (&sv_cullentities_stats);
405         Cvar_RegisterVariable (&sv_cullentities_trace);
406         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
407         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
408         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
409         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
410         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
411         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
412         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
413         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
414         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
415         Cvar_RegisterVariable (&sv_debugmove);
416         Cvar_RegisterVariable (&sv_echobprint);
417         Cvar_RegisterVariable (&sv_edgefriction);
418         Cvar_RegisterVariable (&sv_entpatch);
419         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
420         Cvar_RegisterVariable (&sv_freezenonclients);
421         Cvar_RegisterVariable (&sv_friction);
422         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
423         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
424         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
425         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
426         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
427         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
428         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
429         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
430         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
431         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
432         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
433         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
434         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
435         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
436         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
437         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
438         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
439         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
440         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
441         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
442         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
443         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
444         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
445         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
446         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
447         Cvar_RegisterVariable (&sv_gravity);
448         Cvar_RegisterVariable (&sv_idealpitchscale);
449         Cvar_RegisterVariable (&sv_jumpstep);
450         Cvar_RegisterVariable (&sv_jumpvelocity);
451         Cvar_RegisterVariable (&sv_maxairspeed);
452         Cvar_RegisterVariable (&sv_maxrate);
453         Cvar_RegisterVariable (&sv_maxspeed);
454         Cvar_RegisterVariable (&sv_maxvelocity);
455         Cvar_RegisterVariable (&sv_nostep);
456         Cvar_RegisterVariable (&sv_playerphysicsqc);
457         Cvar_RegisterVariable (&sv_progs);
458         Cvar_RegisterVariable (&sv_protocolname);
459         Cvar_RegisterVariable (&sv_random_seed);
460         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
461         Cvar_RegisterVariable (&sv_sound_land);
462         Cvar_RegisterVariable (&sv_sound_watersplash);
463         Cvar_RegisterVariable (&sv_stepheight);
464         Cvar_RegisterVariable (&sv_stopspeed);
465         Cvar_RegisterVariable (&sv_wallfriction);
466         Cvar_RegisterVariable (&sv_wateraccelerate);
467         Cvar_RegisterVariable (&sv_waterfriction);
468         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
469         Cvar_RegisterVariable (&sv_warsowbunny_accel);
470         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
471         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
472         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
473         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
474         Cvar_RegisterVariable (&sys_ticrate);
475         Cvar_RegisterVariable (&teamplay);
476         Cvar_RegisterVariable (&timelimit);
477
478         Cvar_RegisterVariable (&saved1);
479         Cvar_RegisterVariable (&saved2);
480         Cvar_RegisterVariable (&saved3);
481         Cvar_RegisterVariable (&saved4);
482         Cvar_RegisterVariable (&savedgamecfg);
483         Cvar_RegisterVariable (&scratch1);
484         Cvar_RegisterVariable (&scratch2);
485         Cvar_RegisterVariable (&scratch3);
486         Cvar_RegisterVariable (&scratch4);
487         Cvar_RegisterVariable (&temp1);
488
489         // LordHavoc: Nehahra uses these to pass data around cutscene demos
490         if (gamemode == GAME_NEHAHRA)
491         {
492                 Cvar_RegisterVariable (&nehx00);
493                 Cvar_RegisterVariable (&nehx01);
494                 Cvar_RegisterVariable (&nehx02);
495                 Cvar_RegisterVariable (&nehx03);
496                 Cvar_RegisterVariable (&nehx04);
497                 Cvar_RegisterVariable (&nehx05);
498                 Cvar_RegisterVariable (&nehx06);
499                 Cvar_RegisterVariable (&nehx07);
500                 Cvar_RegisterVariable (&nehx08);
501                 Cvar_RegisterVariable (&nehx09);
502                 Cvar_RegisterVariable (&nehx10);
503                 Cvar_RegisterVariable (&nehx11);
504                 Cvar_RegisterVariable (&nehx12);
505                 Cvar_RegisterVariable (&nehx13);
506                 Cvar_RegisterVariable (&nehx14);
507                 Cvar_RegisterVariable (&nehx15);
508                 Cvar_RegisterVariable (&nehx16);
509                 Cvar_RegisterVariable (&nehx17);
510                 Cvar_RegisterVariable (&nehx18);
511                 Cvar_RegisterVariable (&nehx19);
512         }
513         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
514
515         Cvar_RegisterVariable (&sv_autodemo_perclient);
516         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
517         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
518
519         Cvar_RegisterVariable (&halflifebsp);
520
521         // any special defaults for gamemodes go here
522         if (gamemode == GAME_NEHAHRA)
523         {
524                 // Nehahra pushable crates malfunction in some levels if this is on
525                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
526                 // Nehahra NPC AI is confused by this feature
527                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
528         }
529         if (gamemode == GAME_HIPNOTIC)
530         {
531                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
532                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
533                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
534                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
535                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
536                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
537         }
538         if (gamemode == GAME_ROGUE)
539         {
540                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
541                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
542         }
543         if (gamemode == GAME_NEXUIZ)
544         {
545                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
546                 Cvar_SetValueQuick (&sv_gameplayfix_stepmultipletimes, 1);
547         }
548
549         sv_mempool = Mem_AllocPool("server", 0, NULL);
550 }
551
552 static void SV_SaveEntFile_f(void)
553 {
554         if (!sv.active || !sv.worldmodel)
555         {
556                 Con_Print("Not running a server\n");
557                 return;
558         }
559         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
560 }
561
562
563 /*
564 =============================================================================
565
566 EVENT MESSAGES
567
568 =============================================================================
569 */
570
571 /*
572 ==================
573 SV_StartParticle
574
575 Make sure the event gets sent to all clients
576 ==================
577 */
578 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
579 {
580         int i;
581
582         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
583                 return;
584         MSG_WriteByte (&sv.datagram, svc_particle);
585         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
586         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
587         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
588         for (i=0 ; i<3 ; i++)
589                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
590         MSG_WriteByte (&sv.datagram, count);
591         MSG_WriteByte (&sv.datagram, color);
592         SV_FlushBroadcastMessages();
593 }
594
595 /*
596 ==================
597 SV_StartEffect
598
599 Make sure the event gets sent to all clients
600 ==================
601 */
602 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
603 {
604         if (modelindex >= 256 || startframe >= 256)
605         {
606                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
607                         return;
608                 MSG_WriteByte (&sv.datagram, svc_effect2);
609                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
610                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
611                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
612                 MSG_WriteShort (&sv.datagram, modelindex);
613                 MSG_WriteShort (&sv.datagram, startframe);
614                 MSG_WriteByte (&sv.datagram, framecount);
615                 MSG_WriteByte (&sv.datagram, framerate);
616         }
617         else
618         {
619                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
620                         return;
621                 MSG_WriteByte (&sv.datagram, svc_effect);
622                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
623                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
624                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
625                 MSG_WriteByte (&sv.datagram, modelindex);
626                 MSG_WriteByte (&sv.datagram, startframe);
627                 MSG_WriteByte (&sv.datagram, framecount);
628                 MSG_WriteByte (&sv.datagram, framerate);
629         }
630         SV_FlushBroadcastMessages();
631 }
632
633 /*
634 ==================
635 SV_StartSound
636
637 Each entity can have eight independant sound sources, like voice,
638 weapon, feet, etc.
639
640 Channel 0 is an auto-allocate channel, the others override anything
641 already running on that entity/channel pair.
642
643 An attenuation of 0 will play full volume everywhere in the level.
644 Larger attenuations will drop off.  (max 4 attenuation)
645
646 ==================
647 */
648 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
649 {
650         int sound_num, field_mask, i, ent;
651
652         if (volume < 0 || volume > 255)
653         {
654                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
655                 return;
656         }
657
658         if (attenuation < 0 || attenuation > 4)
659         {
660                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
661                 return;
662         }
663
664         if (channel < 0 || channel > 7)
665         {
666                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
667                 return;
668         }
669
670         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
671                 return;
672
673 // find precache number for sound
674         sound_num = SV_SoundIndex(sample, 1);
675         if (!sound_num)
676                 return;
677
678         ent = PRVM_NUM_FOR_EDICT(entity);
679
680         field_mask = 0;
681         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
682                 field_mask |= SND_VOLUME;
683         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
684                 field_mask |= SND_ATTENUATION;
685         if (ent >= 8192)
686                 field_mask |= SND_LARGEENTITY;
687         if (sound_num >= 256 || channel >= 8)
688                 field_mask |= SND_LARGESOUND;
689
690 // directed messages go only to the entity they are targeted on
691         MSG_WriteByte (&sv.datagram, svc_sound);
692         MSG_WriteByte (&sv.datagram, field_mask);
693         if (field_mask & SND_VOLUME)
694                 MSG_WriteByte (&sv.datagram, volume);
695         if (field_mask & SND_ATTENUATION)
696                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
697         if (field_mask & SND_LARGEENTITY)
698         {
699                 MSG_WriteShort (&sv.datagram, ent);
700                 MSG_WriteByte (&sv.datagram, channel);
701         }
702         else
703                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
704         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
705                 MSG_WriteShort (&sv.datagram, sound_num);
706         else
707                 MSG_WriteByte (&sv.datagram, sound_num);
708         for (i = 0;i < 3;i++)
709                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
710         SV_FlushBroadcastMessages();
711 }
712
713 /*
714 ==================
715 SV_StartPointSound
716
717 Nearly the same logic as SV_StartSound, except an origin
718 instead of an entity is provided and channel is omitted.
719
720 The entity sent to the client is 0 (world) and the channel
721 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
722 function, therefore the check for it is omitted.
723
724 ==================
725 */
726 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
727 {
728         int sound_num, field_mask, i;
729
730         if (volume < 0 || volume > 255)
731         {
732                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
733                 return;
734         }
735
736         if (attenuation < 0 || attenuation > 4)
737         {
738                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
739                 return;
740         }
741
742         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
743                 return;
744
745         // find precache number for sound
746         sound_num = SV_SoundIndex(sample, 1);
747         if (!sound_num)
748                 return;
749
750         field_mask = 0;
751         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
752                 field_mask |= SND_VOLUME;
753         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
754                 field_mask |= SND_ATTENUATION;
755         if (sound_num >= 256)
756                 field_mask |= SND_LARGESOUND;
757
758 // directed messages go only to the entity they are targeted on
759         MSG_WriteByte (&sv.datagram, svc_sound);
760         MSG_WriteByte (&sv.datagram, field_mask);
761         if (field_mask & SND_VOLUME)
762                 MSG_WriteByte (&sv.datagram, volume);
763         if (field_mask & SND_ATTENUATION)
764                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
765         // Always write entnum 0 for the world entity
766         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
767         if (field_mask & SND_LARGESOUND)
768                 MSG_WriteShort (&sv.datagram, sound_num);
769         else
770                 MSG_WriteByte (&sv.datagram, sound_num);
771         for (i = 0;i < 3;i++)
772                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
773         SV_FlushBroadcastMessages();
774 }
775
776 /*
777 ==============================================================================
778
779 CLIENT SPAWNING
780
781 ==============================================================================
782 */
783
784 /*
785 ================
786 SV_SendServerinfo
787
788 Sends the first message from the server to a connected client.
789 This will be sent on the initial connection and upon each server load.
790 ================
791 */
792 void SV_SendServerinfo (client_t *client)
793 {
794         int i;
795         char message[128];
796
797         // we know that this client has a netconnection and thus is not a bot
798
799         // edicts get reallocated on level changes, so we need to update it here
800         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
801
802         // clear cached stuff that depends on the level
803         client->weaponmodel[0] = 0;
804         client->weaponmodelindex = 0;
805
806         // LordHavoc: clear entityframe tracking
807         client->latestframenum = 0;
808
809         // initialize the movetime, so a speedhack can't make use of the time before this client joined
810         client->cmd.time = sv.time;
811
812         if (client->entitydatabase)
813                 EntityFrame_FreeDatabase(client->entitydatabase);
814         if (client->entitydatabase4)
815                 EntityFrame4_FreeDatabase(client->entitydatabase4);
816         if (client->entitydatabase5)
817                 EntityFrame5_FreeDatabase(client->entitydatabase5);
818
819         memset(client->stats, 0, sizeof(client->stats));
820         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
821
822         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
823         {
824                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
825                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
826                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
827                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
828                 else
829                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
830         }
831
832         // reset csqc entity versions
833         for (i = 0;i < prog->max_edicts;i++)
834         {
835                 client->csqcentityscope[i] = 0;
836                 client->csqcentitysendflags[i] = 0xFFFFFF;
837                 client->csqcentityglobalhistory[i] = 0;
838         }
839         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
840         {
841                 client->csqcentityframehistory[i].num = 0;
842                 client->csqcentityframehistory[i].framenum = -1;
843         }
844         client->csqcnumedicts = 0;
845         client->csqcentityframehistory_next = 0;
846
847         SZ_Clear (&client->netconnection->message);
848         MSG_WriteByte (&client->netconnection->message, svc_print);
849         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
850         MSG_WriteString (&client->netconnection->message,message);
851
852         SV_StopDemoRecording(client); // to split up demos into different files
853         if(sv_autodemo_perclient.integer && client->netconnection)
854         {
855                 char demofile[MAX_OSPATH];
856                 char ipaddress[MAX_QPATH];
857                 size_t i;
858
859                 // start a new demo file
860                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
861                 for(i = 0; ipaddress[i]; ++i)
862                         if(!isalnum(ipaddress[i]))
863                                 ipaddress[i] = '-';
864                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), sv.worldbasename, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
865
866                 SV_StartDemoRecording(client, demofile, -1);
867         }
868
869         //[515]: init csprogs according to version of svprogs, check the crc, etc.
870         if (sv.csqc_progname[0])
871         {
872                 prvm_eval_t *val;
873                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
874                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
875                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
876                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
877                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
878                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
879                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
880
881                 if(client->sv_demo_file != NULL)
882                 {
883                         int i;
884                         static char buf[NET_MAXMESSAGE];
885                         sizebuf_t sb;
886
887                         sb.data = (unsigned char *) buf;
888                         sb.maxsize = sizeof(buf);
889                         i = 0;
890                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
891                                 SV_WriteDemoMessage(client, &sb, false);
892                 }
893
894                 //[515]: init stufftext string (it is sent before svc_serverinfo)
895                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
896                 if (val)
897                 {
898                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
899                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
900                 }
901         }
902
903         //if (sv_allowdownloads.integer)
904         // always send the info that the server supports the protocol, even if downloads are forbidden
905         // only because of that, the CSQC exception can work
906         {
907                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
908                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
909         }
910
911         // send at this time so it's guaranteed to get executed at the right time
912         {
913                 client_t *save;
914                 save = host_client;
915                 host_client = client;
916                 Curl_SendRequirements();
917                 host_client = save;
918         }
919
920         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
921         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
922         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
923
924         if (!coop.integer && deathmatch.integer)
925                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
926         else
927                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
928
929         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
930
931         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
932                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
933         MSG_WriteByte (&client->netconnection->message, 0);
934
935         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
936                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
937         MSG_WriteByte (&client->netconnection->message, 0);
938
939 // send music
940         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
941         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
942         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
943
944 // set view
945 // store this in clientcamera, too
946         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
947         MSG_WriteByte (&client->netconnection->message, svc_setview);
948         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
949
950         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
951         MSG_WriteByte (&client->netconnection->message, 1);
952
953         client->spawned = false;                // need prespawn, spawn, etc
954         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
955
956         // clear movement info until client enters the new level properly
957         memset(&client->cmd, 0, sizeof(client->cmd));
958         client->movesequence = 0;
959         client->movement_highestsequence_seen = 0;
960         memset(&client->movement_count, 0, sizeof(client->movement_count));
961 #ifdef NUM_PING_TIMES
962         for (i = 0;i < NUM_PING_TIMES;i++)
963                 client->ping_times[i] = 0;
964         client->num_pings = 0;
965 #endif
966         client->ping = 0;
967
968         // allow the client some time to send his keepalives, even if map loading took ages
969         client->netconnection->timeout = realtime + net_connecttimeout.value;
970 }
971
972 /*
973 ================
974 SV_ConnectClient
975
976 Initializes a client_t for a new net connection.  This will only be called
977 once for a player each game, not once for each level change.
978 ================
979 */
980 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
981 {
982         client_t                *client;
983         int                             i;
984
985         client = svs.clients + clientnum;
986
987 // set up the client_t
988         if (sv.loadgame)
989         {
990                 float backupparms[NUM_SPAWN_PARMS];
991                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
992                 memset(client, 0, sizeof(*client));
993                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
994         }
995         else
996                 memset(client, 0, sizeof(*client));
997         client->active = true;
998         client->netconnection = netconnection;
999
1000         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1001
1002         if(client->netconnection && client->netconnection->crypto.authenticated)
1003         {
1004                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1005                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1006                                 client->netconnection->address,
1007                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1008                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1009                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1010                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1011                                 );
1012         }
1013
1014         strlcpy(client->name, "unconnected", sizeof(client->name));
1015         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1016         client->spawned = false;
1017         client->edict = PRVM_EDICT_NUM(clientnum+1);
1018         if (client->netconnection)
1019                 client->netconnection->message.allowoverflow = true;            // we can catch it
1020         // prepare the unreliable message buffer
1021         client->unreliablemsg.data = client->unreliablemsg_data;
1022         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1023         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1024         client->rate = 1000000000;
1025         // no limits for local player
1026         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1027                 client->rate = 1000000000;
1028         client->connecttime = realtime;
1029
1030         if (!sv.loadgame)
1031         {
1032                 // call the progs to get default spawn parms for the new client
1033                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1034                 prog->globals.server->self = 0;
1035                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1036                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1037                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1038
1039                 // set up the entity for this client (including .colormap, .team, etc)
1040                 PRVM_ED_ClearEdict(client->edict);
1041         }
1042
1043         // don't call SendServerinfo for a fresh botclient because its fields have
1044         // not been set up by the qc yet
1045         if (client->netconnection)
1046                 SV_SendServerinfo (client);
1047         else
1048                 client->spawned = true;
1049 }
1050
1051
1052 /*
1053 ===============================================================================
1054
1055 FRAME UPDATES
1056
1057 ===============================================================================
1058 */
1059
1060 /*
1061 =============================================================================
1062
1063 The PVS must include a small area around the client to allow head bobbing
1064 or other small motion on the client side.  Otherwise, a bob might cause an
1065 entity that should be visible to not show up, especially when the bob
1066 crosses a waterline.
1067
1068 =============================================================================
1069 */
1070
1071 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1072 {
1073         int i;
1074         unsigned int sendflags;
1075         unsigned int version;
1076         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1077         unsigned int customizeentityforclient;
1078         unsigned int sendentity;
1079         float f;
1080         vec3_t cullmins, cullmaxs;
1081         dp_model_t *model;
1082         prvm_eval_t *val, *val2;
1083
1084         // fast path for games that do not use legacy entity networking
1085         // note: still networks clients even if they are legacy
1086         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1087         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1088                 return false;
1089
1090         // this 2 billion unit check is actually to detect NAN origins
1091         // (we really don't want to send those)
1092         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1093                 return false;
1094
1095         // EF_NODRAW prevents sending for any reason except for your own
1096         // client, so we must keep all clients in this superset
1097         effects = (unsigned)ent->fields.server->effects;
1098
1099         // we can omit invisible entities with no effects that are not clients
1100         // LordHavoc: this could kill tags attached to an invisible entity, I
1101         // just hope we never have to support that case
1102         i = (int)ent->fields.server->modelindex;
1103         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1104
1105         flags = 0;
1106         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1107         glowsize = (unsigned char)bound(0, i, 255);
1108         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1109                 flags |= RENDER_GLOWTRAIL;
1110         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1111                 flags |= RENDER_VIEWMODEL;
1112
1113         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1114         light[0] = (unsigned short)bound(0, f, 65535);
1115         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1116         light[1] = (unsigned short)bound(0, f, 65535);
1117         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1118         light[2] = (unsigned short)bound(0, f, 65535);
1119         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1120         light[3] = (unsigned short)bound(0, f, 65535);
1121         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1122         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1123
1124         if (gamemode == GAME_TENEBRAE)
1125         {
1126                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1127                 if (effects & 16)
1128                 {
1129                         effects &= ~16;
1130                         lightpflags |= PFLAGS_FULLDYNAMIC;
1131                 }
1132                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1133                 if (effects & 32)
1134                 {
1135                         effects &= ~32;
1136                         light[0] = (int)(0.2*256);
1137                         light[1] = (int)(1.0*256);
1138                         light[2] = (int)(0.2*256);
1139                         light[3] = 200;
1140                         lightpflags |= PFLAGS_FULLDYNAMIC;
1141                 }
1142         }
1143
1144         specialvisibilityradius = 0;
1145         if (lightpflags & PFLAGS_FULLDYNAMIC)
1146                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1147         if (glowsize)
1148                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1149         if (flags & RENDER_GLOWTRAIL)
1150                 specialvisibilityradius = max(specialvisibilityradius, 100);
1151         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1152         {
1153                 if (effects & EF_BRIGHTFIELD)
1154                         specialvisibilityradius = max(specialvisibilityradius, 80);
1155                 if (effects & EF_MUZZLEFLASH)
1156                         specialvisibilityradius = max(specialvisibilityradius, 100);
1157                 if (effects & EF_BRIGHTLIGHT)
1158                         specialvisibilityradius = max(specialvisibilityradius, 400);
1159                 if (effects & EF_DIMLIGHT)
1160                         specialvisibilityradius = max(specialvisibilityradius, 200);
1161                 if (effects & EF_RED)
1162                         specialvisibilityradius = max(specialvisibilityradius, 200);
1163                 if (effects & EF_BLUE)
1164                         specialvisibilityradius = max(specialvisibilityradius, 200);
1165                 if (effects & EF_FLAME)
1166                         specialvisibilityradius = max(specialvisibilityradius, 250);
1167                 if (effects & EF_STARDUST)
1168                         specialvisibilityradius = max(specialvisibilityradius, 100);
1169         }
1170
1171         // early culling checks
1172         // (final culling is done by SV_MarkWriteEntityStateToClient)
1173         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1174         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1175                 return false;
1176
1177         *cs = defaultstate;
1178         cs->active = ACTIVE_NETWORK;
1179         cs->number = enumber;
1180         VectorCopy(ent->fields.server->origin, cs->origin);
1181         VectorCopy(ent->fields.server->angles, cs->angles);
1182         cs->flags = flags;
1183         cs->effects = effects;
1184         cs->colormap = (unsigned)ent->fields.server->colormap;
1185         cs->modelindex = modelindex;
1186         cs->skin = (unsigned)ent->fields.server->skin;
1187         cs->frame = (unsigned)ent->fields.server->frame;
1188         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1189         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1190         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1191         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1192         cs->customizeentityforclient = customizeentityforclient;
1193         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1194         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1195         cs->glowsize = glowsize;
1196
1197         // don't need to init cs->colormod because the defaultstate did that for us
1198         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1199         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1200         if (val->vector[0] || val->vector[1] || val->vector[2])
1201         {
1202                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1203                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1204                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1205         }
1206
1207         // don't need to init cs->glowmod because the defaultstate did that for us
1208         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1209         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1210         if (val->vector[0] || val->vector[1] || val->vector[2])
1211         {
1212                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1213                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1214                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1215         }
1216
1217         cs->modelindex = modelindex;
1218
1219         cs->alpha = 255;
1220         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1221         if (f)
1222         {
1223                 i = (int)f;
1224                 cs->alpha = (unsigned char)bound(0, i, 255);
1225         }
1226         // halflife
1227         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1228         if (f)
1229         {
1230                 i = (int)f;
1231                 cs->alpha = (unsigned char)bound(0, i, 255);
1232         }
1233
1234         cs->scale = 16;
1235         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1236         if (f)
1237         {
1238                 i = (int)f;
1239                 cs->scale = (unsigned char)bound(0, i, 255);
1240         }
1241
1242         cs->glowcolor = 254;
1243         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1244         if (f)
1245                 cs->glowcolor = (int)f;
1246
1247         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1248                 cs->effects |= EF_FULLBRIGHT;
1249
1250         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1251         if (val && val->_float)
1252                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1253
1254         if (ent->fields.server->movetype == MOVETYPE_STEP)
1255                 cs->flags |= RENDER_STEP;
1256         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1257                 cs->flags |= RENDER_LOWPRECISION;
1258         if (ent->fields.server->colormap >= 1024)
1259                 cs->flags |= RENDER_COLORMAPPED;
1260         if (cs->viewmodelforclient)
1261                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1262
1263         cs->light[0] = light[0];
1264         cs->light[1] = light[1];
1265         cs->light[2] = light[2];
1266         cs->light[3] = light[3];
1267         cs->lightstyle = lightstyle;
1268         cs->lightpflags = lightpflags;
1269
1270         cs->specialvisibilityradius = specialvisibilityradius;
1271
1272         // calculate the visible box of this entity (don't use the physics box
1273         // as that is often smaller than a model, and would not count
1274         // specialvisibilityradius)
1275         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1276         {
1277                 float scale = cs->scale * (1.0f / 16.0f);
1278                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1279                 {
1280                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1281                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1282                 }
1283                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1284                 {
1285                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1286                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1287                 }
1288                 else
1289                 {
1290                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1291                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1292                 }
1293         }
1294         else
1295         {
1296                 // if there is no model (or it could not be loaded), use the physics box
1297                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1298                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1299         }
1300         if (specialvisibilityradius)
1301         {
1302                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1303                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1304                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1305                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1306                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1307                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1308         }
1309
1310         // calculate center of bbox for network prioritization purposes
1311         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1312
1313         // if culling box has moved, update pvs cluster links
1314         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1315         {
1316                 VectorCopy(cullmins, ent->priv.server->cullmins);
1317                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1318                 // a value of -1 for pvs_numclusters indicates that the links are not
1319                 // cached, and should be re-tested each time, this is the case if the
1320                 // culling box touches too many pvs clusters to store, or if the world
1321                 // model does not support FindBoxClusters
1322                 ent->priv.server->pvs_numclusters = -1;
1323                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1324                 {
1325                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1326                         if (i <= MAX_ENTITYCLUSTERS)
1327                                 ent->priv.server->pvs_numclusters = i;
1328                 }
1329         }
1330
1331         // we need to do some csqc entity upkeep here
1332         // get self.SendFlags and clear them
1333         // (to let the QC know that they've been read)
1334         if (sendentity)
1335         {
1336                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1337                 sendflags = (unsigned int)val->_float;
1338                 val->_float = 0;
1339                 // legacy self.Version system
1340                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1341                 if (val2->_float)
1342                 {
1343                         version = (unsigned int)val2->_float;
1344                         if (sv.csqcentityversion[enumber] != version)
1345                                 sendflags = 0xFFFFFF;
1346                         sv.csqcentityversion[enumber] = version;
1347                 }
1348                 // move sendflags into the per-client sendflags
1349                 if (sendflags)
1350                         for (i = 0;i < svs.maxclients;i++)
1351                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1352                 // mark it as inactive for non-csqc networking
1353                 cs->active = ACTIVE_SHARED;
1354         }
1355
1356         return true;
1357 }
1358
1359 void SV_PrepareEntitiesForSending(void)
1360 {
1361         int e;
1362         prvm_edict_t *ent;
1363         // send all entities that touch the pvs
1364         sv.numsendentities = 0;
1365         sv.sendentitiesindex[0] = NULL;
1366         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1367         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1368         {
1369                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1370                 {
1371                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1372                         sv.numsendentities++;
1373                 }
1374         }
1375 }
1376
1377 #define MAX_LINEOFSIGHTTRACES 64
1378
1379 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1380 {
1381         float pitchsign;
1382         float alpha;
1383         float starttransformed[3], endtransformed[3];
1384         int blocked = 0;
1385         int traceindex;
1386         int originalnumtouchedicts;
1387         int numtouchedicts = 0;
1388         int touchindex;
1389         matrix4x4_t matrix, imatrix;
1390         dp_model_t *model;
1391         prvm_edict_t *touch;
1392         static prvm_edict_t *touchedicts[MAX_EDICTS];
1393         vec3_t boxmins, boxmaxs;
1394         vec3_t clipboxmins, clipboxmaxs;
1395         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1396
1397         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1398
1399         // expand the box a little
1400         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1401         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1402         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1403         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1404         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1405         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1406
1407         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1408         for (traceindex = 1;traceindex < numtraces;traceindex++)
1409                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1410
1411         // calculate sweep box for the entire swarm of traces
1412         VectorCopy(eye, clipboxmins);
1413         VectorCopy(eye, clipboxmaxs);
1414         for (traceindex = 0;traceindex < numtraces;traceindex++)
1415         {
1416                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1417                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1418                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1419                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1420                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1421                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1422         }
1423
1424         // get the list of entities in the sweep box
1425         if (sv_cullentities_trace_entityocclusion.integer)
1426                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1427         if (numtouchedicts > MAX_EDICTS)
1428         {
1429                 // this never happens
1430                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1431                 numtouchedicts = MAX_EDICTS;
1432         }
1433         // iterate the entities found in the sweep box and filter them
1434         originalnumtouchedicts = numtouchedicts;
1435         numtouchedicts = 0;
1436         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1437         {
1438                 touch = touchedicts[touchindex];
1439                 if (touch->fields.server->solid != SOLID_BSP)
1440                         continue;
1441                 model = SV_GetModelFromEdict(touch);
1442                 if (!model || !model->brush.TraceLineOfSight)
1443                         continue;
1444                 // skip obviously transparent entities
1445                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1446                 if (alpha && alpha < 1)
1447                         continue;
1448                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1449                         continue;
1450                 touchedicts[numtouchedicts++] = touch;
1451         }
1452
1453         // now that we have a filtered list of "interesting" entities, fire each
1454         // ray against all of them, this gives us an early-out case when something
1455         // is visible (which it often is)
1456
1457         for (traceindex = 0;traceindex < numtraces;traceindex++)
1458         {
1459                 // check world occlusion
1460                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1461                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1462                                 continue;
1463                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1464                 {
1465                         touch = touchedicts[touchindex];
1466                         model = SV_GetModelFromEdict(touch);
1467                         if(model && model->brush.TraceLineOfSight)
1468                         {
1469                                 // get the entity matrix
1470                                 pitchsign = SV_GetPitchSign(touch);
1471                                 Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1472                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1473                                 // see if the ray hits this entity
1474                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1475                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1476                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1477                                 {
1478                                         blocked++;
1479                                         break;
1480                                 }
1481                         }
1482                 }
1483                 // check if the ray was blocked
1484                 if (touchindex < numtouchedicts)
1485                         continue;
1486                 // return if the ray was not blocked
1487                 return true;
1488         }
1489
1490         // no rays survived
1491         return false;
1492 }
1493
1494 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1495 {
1496         int isbmodel;
1497         dp_model_t *model;
1498         prvm_edict_t *ed;
1499         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1500                 return;
1501         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1502         sv.writeentitiestoclient_stats_totalentities++;
1503
1504         if (s->customizeentityforclient)
1505         {
1506                 prog->globals.server->self = s->number;
1507                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1508                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1509                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1510                         return;
1511         }
1512
1513         // never reject player
1514         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1515         {
1516                 // check various rejection conditions
1517                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1518                         return;
1519                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1520                         return;
1521                 if (s->effects & EF_NODRAW)
1522                         return;
1523                 // LordHavoc: only send entities with a model or important effects
1524                 if (!s->modelindex && s->specialvisibilityradius == 0)
1525                         return;
1526
1527                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1528                 // viewmodels don't have visibility checking
1529                 if (s->viewmodelforclient)
1530                 {
1531                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1532                                 return;
1533                 }
1534                 else if (s->tagentity)
1535                 {
1536                         // tag attached entities simply check their parent
1537                         if (!sv.sendentitiesindex[s->tagentity])
1538                                 return;
1539                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1540                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1541                                 return;
1542                 }
1543                 // always send world submodels in newer protocols because they don't
1544                 // generate much traffic (in old protocols they hog bandwidth)
1545                 // but only if sv_cullentities_nevercullbmodels is off
1546                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1547                 {
1548                         // entity has survived every check so far, check if visible
1549                         ed = PRVM_EDICT_NUM(s->number);
1550
1551                         // if not touching a visible leaf
1552                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1553                         {
1554                                 if (ed->priv.server->pvs_numclusters < 0)
1555                                 {
1556                                         // entity too big for clusters list
1557                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1558                                         {
1559                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1560                                                 return;
1561                                         }
1562                                 }
1563                                 else
1564                                 {
1565                                         int i;
1566                                         // check cached clusters list
1567                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1568                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1569                                                         break;
1570                                         if (i == ed->priv.server->pvs_numclusters)
1571                                         {
1572                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1573                                                 return;
1574                                         }
1575                                 }
1576                         }
1577
1578                         // or not seen by random tracelines
1579                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1580                         {
1581                                 int samples =
1582                                         s->number <= svs.maxclients
1583                                                 ? sv_cullentities_trace_samples_players.integer
1584                                                 :
1585                                         s->specialvisibilityradius
1586                                                 ? sv_cullentities_trace_samples_extra.integer
1587                                                 : sv_cullentities_trace_samples.integer;
1588                                 float enlarge = sv_cullentities_trace_enlarge.value;
1589
1590                                 if(samples > 0)
1591                                 {
1592                                         int eyeindex;
1593                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1594                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1595                                                         break;
1596                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1597                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1598                                                         realtime + (
1599                                                                 s->number <= svs.maxclients
1600                                                                         ? sv_cullentities_trace_delay_players.value
1601                                                                         : sv_cullentities_trace_delay.value
1602                                                         );
1603                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1604                                         {
1605                                                 sv.writeentitiestoclient_stats_culled_trace++;
1606                                                 return;
1607                                         }
1608                                 }
1609                         }
1610                 }
1611         }
1612
1613         // this just marks it for sending
1614         // FIXME: it would be more efficient to send here, but the entity
1615         // compressor isn't that flexible
1616         sv.writeentitiestoclient_stats_visibleentities++;
1617         sv.sententities[s->number] = sv.sententitiesmark;
1618 }
1619
1620 #if MAX_LEVELNETWORKEYES > 0
1621 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1622 void SV_AddCameraEyes(void)
1623 {
1624         int e, i, j, k;
1625         prvm_edict_t *ed;
1626         static int cameras[MAX_LEVELNETWORKEYES];
1627         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1628         static int eye_levels[MAX_CLIENTNETWORKEYES];
1629         int n_cameras = 0;
1630         vec3_t mi, ma;
1631         prvm_eval_t *valendpos, *val;
1632
1633         if(!prog->fieldoffsets.camera_transform)
1634                 return;
1635         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1636         if(!valendpos)
1637                 return;
1638
1639         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1640                 eye_levels[i] = 0;
1641
1642         // check line of sight to portal entities and add them to PVS
1643         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1644         {
1645                 if (!ed->priv.server->free)
1646                 {
1647                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1648                         {
1649                                 prog->globals.server->self = e;
1650                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1651                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1652                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1653                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1654                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1655                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1656                                 {
1657                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1658                                         cameras[n_cameras] = e;
1659                                         ++n_cameras;
1660                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1661                                                 break;
1662                                 }
1663                         }
1664                 }
1665         }
1666
1667         if(!n_cameras)
1668                 return;
1669
1670         // i is loop counter, is reset to 0 when an eye got added
1671         // j is camera index to check
1672         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1673         {
1674                 if(!cameras[j])
1675                         continue;
1676                 ed = PRVM_EDICT_NUM(cameras[j]);
1677                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1678                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1679                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1680                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1681                 {
1682                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1683                         {
1684                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1685                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1686                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1687                                 sv.writeentitiestoclient_numeyes++;
1688                                 cameras[j] = 0;
1689                                 i = 0;
1690                                 break;
1691                         }
1692                 }
1693         }
1694 }
1695 #else
1696 void SV_AddCameraEyes(void)
1697 {
1698 }
1699 #endif
1700
1701 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1702 {
1703         qboolean need_empty = false;
1704         int i, numsendstates, numcsqcsendstates;
1705         entity_state_t *s;
1706         prvm_edict_t *camera;
1707         qboolean success;
1708         vec3_t eye;
1709
1710         // if there isn't enough space to accomplish anything, skip it
1711         if (msg->cursize + 25 > maxsize)
1712                 return;
1713
1714         sv.writeentitiestoclient_msg = msg;
1715         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1716
1717         sv.writeentitiestoclient_stats_culled_pvs = 0;
1718         sv.writeentitiestoclient_stats_culled_trace = 0;
1719         sv.writeentitiestoclient_stats_visibleentities = 0;
1720         sv.writeentitiestoclient_stats_totalentities = 0;
1721         sv.writeentitiestoclient_numeyes = 0;
1722
1723         // get eye location
1724         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1725         camera = PRVM_EDICT_NUM( client->clientcamera );
1726         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1727         sv.writeentitiestoclient_pvsbytes = 0;
1728         // get the PVS values for the eye location, later FatPVS calls will merge
1729         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1730                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1731
1732         // add the eye to a list for SV_CanSeeBox tests
1733         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1734         sv.writeentitiestoclient_numeyes++;
1735
1736         // calculate predicted eye origin for SV_CanSeeBox tests
1737         if (sv_cullentities_trace_prediction.integer)
1738         {
1739                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1740                 vec3_t predeye;
1741                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1742                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1743                 {
1744                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1745                         sv.writeentitiestoclient_numeyes++;
1746                 }
1747                 //if (!sv.writeentitiestoclient_useprediction)
1748                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1749         }
1750
1751         SV_AddCameraEyes();
1752
1753         // build PVS from the new eyes
1754         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1755                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1756                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1757
1758         sv.sententitiesmark++;
1759
1760         for (i = 0;i < sv.numsendentities;i++)
1761                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1762
1763         numsendstates = 0;
1764         numcsqcsendstates = 0;
1765         for (i = 0;i < sv.numsendentities;i++)
1766         {
1767                 s = &sv.sendentities[i];
1768                 if (sv.sententities[s->number] == sv.sententitiesmark)
1769                 {
1770                         if(s->active == ACTIVE_NETWORK)
1771                         {
1772                                 if (s->exteriormodelforclient)
1773                                 {
1774                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1775                                                 s->flags |= RENDER_EXTERIORMODEL;
1776                                         else
1777                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1778                                 }
1779                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1780                         }
1781                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1782                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1783                         else
1784                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1785                 }
1786         }
1787
1788         if (sv_cullentities_stats.integer)
1789                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1790
1791         if(client->entitydatabase5)
1792                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1793         else
1794                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1795
1796         if(client->num_skippedentityframes >= 10)
1797                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1798
1799         if (client->entitydatabase5)
1800                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1801         else if (client->entitydatabase4)
1802         {
1803                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1804                 Protocol_WriteStatsReliable();
1805         }
1806         else if (client->entitydatabase)
1807         {
1808                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1809                 Protocol_WriteStatsReliable();
1810         }
1811         else
1812         {
1813                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1814                 Protocol_WriteStatsReliable();
1815         }
1816
1817         if(success)
1818                 client->num_skippedentityframes = 0;
1819         else
1820                 ++client->num_skippedentityframes;
1821 }
1822
1823 /*
1824 =============
1825 SV_CleanupEnts
1826
1827 =============
1828 */
1829 static void SV_CleanupEnts (void)
1830 {
1831         int             e;
1832         prvm_edict_t    *ent;
1833
1834         ent = PRVM_NEXT_EDICT(prog->edicts);
1835         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1836                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1837 }
1838
1839 /*
1840 ==================
1841 SV_WriteClientdataToMessage
1842
1843 ==================
1844 */
1845 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1846 {
1847         int             bits;
1848         int             i;
1849         prvm_edict_t    *other;
1850         int             items;
1851         prvm_eval_t     *val;
1852         vec3_t  punchvector;
1853         int             viewzoom;
1854         const char *s;
1855         float   *statsf = (float *)stats;
1856
1857 //
1858 // send a damage message
1859 //
1860         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1861         {
1862                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1863                 MSG_WriteByte (msg, svc_damage);
1864                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1865                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1866                 for (i=0 ; i<3 ; i++)
1867                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1868
1869                 ent->fields.server->dmg_take = 0;
1870                 ent->fields.server->dmg_save = 0;
1871         }
1872
1873 //
1874 // send the current viewpos offset from the view entity
1875 //
1876         SV_SetIdealPitch ();            // how much to look up / down ideally
1877
1878 // a fixangle might get lost in a dropped packet.  Oh well.
1879         if(ent->fields.server->fixangle)
1880         {
1881                 // angle fixing was requested by global thinking code...
1882                 // so store the current angles for later use
1883                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1884                 host_client->fixangle_angles_set = TRUE;
1885
1886                 // and clear fixangle for the next frame
1887                 ent->fields.server->fixangle = 0;
1888         }
1889
1890         if (host_client->fixangle_angles_set)
1891         {
1892                 MSG_WriteByte (msg, svc_setangle);
1893                 for (i=0 ; i < 3 ; i++)
1894                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1895                 host_client->fixangle_angles_set = FALSE;
1896         }
1897
1898         // stuff the sigil bits into the high bits of items for sbar, or else
1899         // mix in items2
1900         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1901         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1902                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1903         else
1904                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1905
1906         VectorClear(punchvector);
1907         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1908                 VectorCopy(val->vector, punchvector);
1909
1910         // cache weapon model name and index in client struct to save time
1911         // (this search can be almost 1% of cpu time!)
1912         s = PRVM_GetString(ent->fields.server->weaponmodel);
1913         if (strcmp(s, client->weaponmodel))
1914         {
1915                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1916                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1917         }
1918
1919         viewzoom = 255;
1920         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1921                 viewzoom = (int)(val->_float * 255.0f);
1922         if (viewzoom == 0)
1923                 viewzoom = 255;
1924
1925         bits = 0;
1926
1927         if ((int)ent->fields.server->flags & FL_ONGROUND)
1928                 bits |= SU_ONGROUND;
1929         if (ent->fields.server->waterlevel >= 2)
1930                 bits |= SU_INWATER;
1931         if (ent->fields.server->idealpitch)
1932                 bits |= SU_IDEALPITCH;
1933
1934         for (i=0 ; i<3 ; i++)
1935         {
1936                 if (ent->fields.server->punchangle[i])
1937                         bits |= (SU_PUNCH1<<i);
1938                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
1939                         if (punchvector[i])
1940                                 bits |= (SU_PUNCHVEC1<<i);
1941                 if (ent->fields.server->velocity[i])
1942                         bits |= (SU_VELOCITY1<<i);
1943         }
1944
1945         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1946         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1947         stats[STAT_ITEMS] = items;
1948         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1949         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1950         stats[STAT_WEAPON] = client->weaponmodelindex;
1951         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1952         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1953         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1954         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1955         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1956         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1957         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1958         stats[STAT_VIEWZOOM] = viewzoom;
1959         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1960         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1961         // the QC bumps these itself by sending svc_'s, so we have to keep them
1962         // zero or they'll be corrected by the engine
1963         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1964         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1965
1966         // movement settings for prediction
1967         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1968         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1969                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1970                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1971                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1972         ;
1973         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1974         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1975         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1976         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1977         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1978         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1979         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1980         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1981         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1982         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1983         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1984         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1985         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1986         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1987         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1988         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1989         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1990         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1991         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1992         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1993         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1994         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1995         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1996         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1997         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1998         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1999         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2000         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2001         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2002         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2003         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2004         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2005         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2006         statsf[STAT_TIMELIMIT] = timelimit.value;
2007
2008         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2009         {
2010                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2011                 bits |= SU_ITEMS;
2012                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2013                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2014                 bits |= SU_WEAPON;
2015                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2016                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2017                         if (viewzoom != 255)
2018                                 bits |= SU_VIEWZOOM;
2019         }
2020
2021         if (bits >= 65536)
2022                 bits |= SU_EXTEND1;
2023         if (bits >= 16777216)
2024                 bits |= SU_EXTEND2;
2025
2026         // send the data
2027         MSG_WriteByte (msg, svc_clientdata);
2028         MSG_WriteShort (msg, bits);
2029         if (bits & SU_EXTEND1)
2030                 MSG_WriteByte(msg, bits >> 16);
2031         if (bits & SU_EXTEND2)
2032                 MSG_WriteByte(msg, bits >> 24);
2033
2034         if (bits & SU_VIEWHEIGHT)
2035                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2036
2037         if (bits & SU_IDEALPITCH)
2038                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2039
2040         for (i=0 ; i<3 ; i++)
2041         {
2042                 if (bits & (SU_PUNCH1<<i))
2043                 {
2044                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2045                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2046                         else
2047                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2048                 }
2049                 if (bits & (SU_PUNCHVEC1<<i))
2050                 {
2051                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2052                                 MSG_WriteCoord16i(msg, punchvector[i]);
2053                         else
2054                                 MSG_WriteCoord32f(msg, punchvector[i]);
2055                 }
2056                 if (bits & (SU_VELOCITY1<<i))
2057                 {
2058                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2059                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2060                         else
2061                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2062                 }
2063         }
2064
2065         if (bits & SU_ITEMS)
2066                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2067
2068         if (sv.protocol == PROTOCOL_DARKPLACES5)
2069         {
2070                 if (bits & SU_WEAPONFRAME)
2071                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2072                 if (bits & SU_ARMOR)
2073                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2074                 if (bits & SU_WEAPON)
2075                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2076                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2077                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2078                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2079                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2080                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2081                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2082                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2083                 if (bits & SU_VIEWZOOM)
2084                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2085         }
2086         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2087         {
2088                 if (bits & SU_WEAPONFRAME)
2089                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2090                 if (bits & SU_ARMOR)
2091                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2092                 if (bits & SU_WEAPON)
2093                 {
2094                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2095                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2096                         else
2097                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2098                 }
2099                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2100                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2101                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2102                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2103                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2104                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2105                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2106                 {
2107                         for (i = 0;i < 32;i++)
2108                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2109                                         break;
2110                         MSG_WriteByte (msg, i);
2111                 }
2112                 else
2113                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2114                 if (bits & SU_VIEWZOOM)
2115                 {
2116                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2117                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2118                         else
2119                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2120                 }
2121         }
2122 }
2123
2124 void SV_FlushBroadcastMessages(void)
2125 {
2126         int i;
2127         client_t *client;
2128         if (sv.datagram.cursize <= 0)
2129                 return;
2130         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2131         {
2132                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2133                         continue;
2134                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2135                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2136         }
2137         SZ_Clear(&sv.datagram);
2138 }
2139
2140 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2141 {
2142         // scan the splitpoints to find out how many we can fit in
2143         int numsegments, j, split;
2144         if (!client->unreliablemsg_splitpoints)
2145                 return;
2146         // always accept the first one if it's within 1024 bytes, this ensures
2147         // that very big datagrams which are over the rate limit still get
2148         // through, just to keep it working
2149         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2150                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2151                         break;
2152         // the first segment gets an exemption from the rate limiting, otherwise
2153         // it could get dropped consistently due to a low rate limit
2154         if (numsegments == 1)
2155                 maxsize = maxsize2;
2156         // some will fit, so add the ones that will fit
2157         split = client->unreliablemsg_splitpoint[numsegments-1];
2158         // note this discards ones that were accepted by the segments scan but
2159         // can not fit, such as a really huge first one that will never ever
2160         // fit in a packet...
2161         if (msg->cursize + split <= maxsize)
2162                 SZ_Write(msg, client->unreliablemsg.data, split);
2163         // remove the part we sent, keeping any remaining data
2164         client->unreliablemsg.cursize -= split;
2165         if (client->unreliablemsg.cursize > 0)
2166                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2167         // adjust remaining splitpoints
2168         client->unreliablemsg_splitpoints -= numsegments;
2169         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2170                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2171 }
2172
2173 /*
2174 =======================
2175 SV_SendClientDatagram
2176 =======================
2177 */
2178 static void SV_SendClientDatagram (client_t *client)
2179 {
2180         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2181         sizebuf_t msg;
2182         int stats[MAX_CL_STATS];
2183         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2184
2185         // obey rate limit by limiting packet frequency if the packet size
2186         // limiting fails
2187         // (usually this is caused by reliable messages)
2188         if (!NetConn_CanSend(client->netconnection))
2189                 return;
2190
2191         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2192         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2193         if (sv_maxrate.integer != maxrate)
2194                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2195
2196         // clientrate determines the 'cleartime' of a packet
2197         // (how long to wait before sending another, based on this packet's size)
2198         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2199
2200         switch (sv.protocol)
2201         {
2202         case PROTOCOL_QUAKE:
2203         case PROTOCOL_QUAKEDP:
2204         case PROTOCOL_NEHAHRAMOVIE:
2205         case PROTOCOL_NEHAHRABJP:
2206         case PROTOCOL_NEHAHRABJP2:
2207         case PROTOCOL_NEHAHRABJP3:
2208         case PROTOCOL_QUAKEWORLD:
2209                 // no packet size limit support on Quake protocols because it just
2210                 // causes missing entities/effects
2211                 // packets are simply sent less often to obey the rate limit
2212                 maxsize = 1024;
2213                 maxsize2 = 1024;
2214                 break;
2215         case PROTOCOL_DARKPLACES1:
2216         case PROTOCOL_DARKPLACES2:
2217         case PROTOCOL_DARKPLACES3:
2218         case PROTOCOL_DARKPLACES4:
2219                 // no packet size limit support on DP1-4 protocols because they kick
2220                 // the client off if they overflow, and miss effects
2221                 // packets are simply sent less often to obey the rate limit
2222                 maxsize = sizeof(sv_sendclientdatagram_buf);
2223                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2224                 break;
2225         default:
2226                 // DP5 and later protocols support packet size limiting which is a
2227                 // better method than limiting packet frequency as QW does
2228                 //
2229                 // at very low rates (or very small sys_ticrate) the packet size is
2230                 // not reduced below 128, but packets may be sent less often
2231                 maxsize = (int)(clientrate * sys_ticrate.value);
2232                 maxsize = bound(128, maxsize, 1400);
2233                 maxsize2 = 1400;
2234                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2235                 // mods that use csqc (they are likely to use less bandwidth anyway)
2236                 if (sv.csqc_progsize > 0)
2237                         maxsize = maxsize2;
2238                 break;
2239         }
2240
2241         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2242         {
2243                 // for good singleplayer, send huge packets
2244                 maxsize = sizeof(sv_sendclientdatagram_buf);
2245                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2246                 // never limit frequency in singleplayer
2247                 clientrate = 1000000000;
2248         }
2249
2250         // while downloading, limit entity updates to half the packet
2251         // (any leftover space will be used for downloading)
2252         if (host_client->download_file)
2253                 maxsize /= 2;
2254
2255         msg.data = sv_sendclientdatagram_buf;
2256         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2257         msg.cursize = 0;
2258         msg.allowoverflow = false;
2259
2260         if (host_client->spawned)
2261         {
2262                 // the player is in the game
2263                 MSG_WriteByte (&msg, svc_time);
2264                 MSG_WriteFloat (&msg, sv.time);
2265
2266                 // add the client specific data to the datagram
2267                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2268                 // now update the stats[] array using any registered custom fields
2269                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2270                 // set host_client->statsdeltabits
2271                 Protocol_UpdateClientStats (stats);
2272
2273                 // add as many queued unreliable messages (effects) as we can fit
2274                 // limit effects to half of the remaining space
2275                 if (client->unreliablemsg.cursize)
2276                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2277
2278                 // now write as many entities as we can fit, and also sends stats
2279                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2280         }
2281         else if (realtime > client->keepalivetime)
2282         {
2283                 // the player isn't totally in the game yet
2284                 // send small keepalive messages if too much time has passed
2285                 // (may also be sending downloads)
2286                 client->keepalivetime = realtime + 5;
2287                 MSG_WriteChar (&msg, svc_nop);
2288         }
2289
2290         // if a download is active, see if there is room to fit some download data
2291         // in this packet
2292         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2293         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2294         {
2295                 fs_offset_t downloadstart;
2296                 unsigned char data[1400];
2297                 downloadstart = FS_Tell(host_client->download_file);
2298                 downloadsize = min(downloadsize, (int)sizeof(data));
2299                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2300                 // note this sends empty messages if at the end of the file, which is
2301                 // necessary to keep the packet loss logic working
2302                 // (the last blocks may be lost and need to be re-sent, and that will
2303                 //  only occur if the client acks the empty end messages, revealing
2304                 //  a gap in the download progress, causing the last blocks to be
2305                 //  sent again)
2306                 MSG_WriteChar (&msg, svc_downloaddata);
2307                 MSG_WriteLong (&msg, downloadstart);
2308                 MSG_WriteShort (&msg, downloadsize);
2309                 if (downloadsize > 0)
2310                         SZ_Write (&msg, data, downloadsize);
2311         }
2312
2313         // reliable only if none is in progress
2314         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2315                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2316         // unreliable
2317         SV_WriteDemoMessage(client, &msg, false);
2318
2319 // send the datagram
2320         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2321         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2322                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2323 }
2324
2325 /*
2326 =======================
2327 SV_UpdateToReliableMessages
2328 =======================
2329 */
2330 static void SV_UpdateToReliableMessages (void)
2331 {
2332         int i, j;
2333         client_t *client;
2334         prvm_eval_t *val;
2335         const char *name;
2336         const char *model;
2337         const char *skin;
2338
2339 // check for changes to be sent over the reliable streams
2340         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2341         {
2342                 // update the host_client fields we care about according to the entity fields
2343                 host_client->edict = PRVM_EDICT_NUM(i+1);
2344
2345                 // DP_SV_CLIENTNAME
2346                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2347                 if (name == NULL)
2348                         name = "";
2349                 // always point the string back at host_client->name to keep it safe
2350                 strlcpy (host_client->name, name, sizeof (host_client->name));
2351                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2352                 if (strcmp(host_client->old_name, host_client->name))
2353                 {
2354                         if (host_client->spawned)
2355                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2356                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2357                         // send notification to all clients
2358                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2359                         MSG_WriteByte (&sv.reliable_datagram, i);
2360                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2361                         SV_WriteNetnameIntoDemo(host_client);
2362                 }
2363
2364                 // DP_SV_CLIENTCOLORS
2365                 // this is always found (since it's added by the progs loader)
2366                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2367                         host_client->colors = (int)val->_float;
2368                 if (host_client->old_colors != host_client->colors)
2369                 {
2370                         host_client->old_colors = host_client->colors;
2371                         // send notification to all clients
2372                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2373                         MSG_WriteByte (&sv.reliable_datagram, i);
2374                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2375                 }
2376
2377                 // NEXUIZ_PLAYERMODEL
2378                 if( prog->fieldoffsets.playermodel >= 0 ) {
2379                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2380                         if (model == NULL)
2381                                 model = "";
2382                         // always point the string back at host_client->name to keep it safe
2383                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2384                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2385                 }
2386
2387                 // NEXUIZ_PLAYERSKIN
2388                 if( prog->fieldoffsets.playerskin >= 0 ) {
2389                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2390                         if (skin == NULL)
2391                                 skin = "";
2392                         // always point the string back at host_client->name to keep it safe
2393                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2394                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2395                 }
2396
2397                 // TODO: add an extension name for this [1/17/2008 Black]
2398                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2399                         int oldclientcamera = host_client->clientcamera;
2400                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2401                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2402                         } else {
2403                                 host_client->clientcamera = val->edict;
2404                         }
2405
2406                         if( oldclientcamera != host_client->clientcamera ) {
2407                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2408                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2409                         }
2410                 }
2411
2412                 // frags
2413                 host_client->frags = (int)host_client->edict->fields.server->frags;
2414                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2415                         if(!host_client->spawned && host_client->netconnection)
2416                                 host_client->frags = -666;
2417                 if (host_client->old_frags != host_client->frags)
2418                 {
2419                         host_client->old_frags = host_client->frags;
2420                         // send notification to all clients
2421                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2422                         MSG_WriteByte (&sv.reliable_datagram, i);
2423                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2424                 }
2425         }
2426
2427         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2428                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2429                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2430
2431         SZ_Clear (&sv.reliable_datagram);
2432 }
2433
2434
2435 /*
2436 =======================
2437 SV_SendClientMessages
2438 =======================
2439 */
2440 void SV_SendClientMessages (void)
2441 {
2442         int i, prepared = false;
2443
2444         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2445                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2446
2447         SV_FlushBroadcastMessages();
2448
2449 // update frags, names, etc
2450         SV_UpdateToReliableMessages();
2451
2452 // build individual updates
2453         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2454         {
2455                 if (!host_client->active)
2456                         continue;
2457                 if (!host_client->netconnection)
2458                         continue;
2459
2460                 if (host_client->netconnection->message.overflowed)
2461                 {
2462                         SV_DropClient (true);   // if the message couldn't send, kick off
2463                         continue;
2464                 }
2465
2466                 if (!prepared)
2467                 {
2468                         prepared = true;
2469                         // only prepare entities once per frame
2470                         SV_PrepareEntitiesForSending();
2471                 }
2472                 SV_SendClientDatagram (host_client);
2473         }
2474
2475 // clear muzzle flashes
2476         SV_CleanupEnts();
2477 }
2478
2479 static void SV_StartDownload_f(void)
2480 {
2481         if (host_client->download_file)
2482                 host_client->download_started = true;
2483 }
2484
2485 /*
2486  * Compression extension negotiation:
2487  *
2488  * Server to client:
2489  *   cl_serverextension_download 2
2490  *
2491  * Client to server:
2492  *   download <filename> <list of zero or more suppported compressions in order of preference>
2493  * e.g.
2494  *   download maps/map1.bsp lzo deflate huffman
2495  *
2496  * Server to client:
2497  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2498  * e.g.
2499  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2500  *
2501  * The server may choose not to compress the file by sending no compression name, like:
2502  *   cl_downloadbegin 345678 maps/map1.bsp
2503  *
2504  * NOTE: the "download" command may only specify compression algorithms if
2505  *       cl_serverextension_download is 2!
2506  *       If cl_serverextension_download has a different value, the client must
2507  *       assume this extension is not supported!
2508  */
2509
2510 static void Download_CheckExtensions(void)
2511 {
2512         int i;
2513         int argc = Cmd_Argc();
2514
2515         // first reset them all
2516         host_client->download_deflate = false;
2517         
2518         for(i = 2; i < argc; ++i)
2519         {
2520                 if(!strcmp(Cmd_Argv(i), "deflate"))
2521                 {
2522                         host_client->download_deflate = true;
2523                         break;
2524                 }
2525         }
2526 }
2527
2528 static void SV_Download_f(void)
2529 {
2530         const char *whichpack, *whichpack2, *extension;
2531         qboolean is_csqc; // so we need to check only once
2532
2533         if (Cmd_Argc() < 2)
2534         {
2535                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2536                 SV_ClientPrintf("       supported extensions: deflate\n");
2537                 return;
2538         }
2539
2540         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2541         {
2542                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2543                 return;
2544         }
2545
2546         if (host_client->download_file)
2547         {
2548                 // at this point we'll assume the previous download should be aborted
2549                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2550                 Host_ClientCommands("\nstopdownload\n");
2551
2552                 // close the file and reset variables
2553                 FS_Close(host_client->download_file);
2554                 host_client->download_file = NULL;
2555                 host_client->download_name[0] = 0;
2556                 host_client->download_expectedposition = 0;
2557                 host_client->download_started = false;
2558         }
2559
2560         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2561         
2562         if (!sv_allowdownloads.integer && !is_csqc)
2563         {
2564                 SV_ClientPrintf("Downloads are disabled on this server\n");
2565                 Host_ClientCommands("\nstopdownload\n");
2566                 return;
2567         }
2568
2569         Download_CheckExtensions();
2570
2571         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2572         extension = FS_FileExtension(host_client->download_name);
2573
2574         // host_client is asking to download a specified file
2575         if (developer_extra.integer)
2576                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2577
2578         if(is_csqc)
2579         {
2580                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2581                 extensions[0] = '\0';
2582                 
2583                 if(host_client->download_deflate)
2584                         strlcat(extensions, " deflate", sizeof(extensions));
2585                 
2586                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2587
2588                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2589                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2590                 else
2591                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2592                 
2593                 // no, no space is needed between %s and %s :P
2594                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2595
2596                 host_client->download_expectedposition = 0;
2597                 host_client->download_started = false;
2598                 host_client->sendsignon = true; // make sure this message is sent
2599                 return;
2600         }
2601
2602         if (!FS_FileExists(host_client->download_name))
2603         {
2604                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2605                 Host_ClientCommands("\nstopdownload\n");
2606                 return;
2607         }
2608
2609         // check if the user is trying to download part of registered Quake(r)
2610         whichpack = FS_WhichPack(host_client->download_name);
2611         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2612         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2613         {
2614                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2615                 Host_ClientCommands("\nstopdownload\n");
2616                 return;
2617         }
2618
2619         // check if the server has forbidden archive downloads entirely
2620         if (!sv_allowdownloads_inarchive.integer)
2621         {
2622                 whichpack = FS_WhichPack(host_client->download_name);
2623                 if (whichpack)
2624                 {
2625                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2626                         Host_ClientCommands("\nstopdownload\n");
2627                         return;
2628                 }
2629         }
2630
2631         if (!sv_allowdownloads_config.integer)
2632         {
2633                 if (!strcasecmp(extension, "cfg"))
2634                 {
2635                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2636                         Host_ClientCommands("\nstopdownload\n");
2637                         return;
2638                 }
2639         }
2640
2641         if (!sv_allowdownloads_dlcache.integer)
2642         {
2643                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2644                 {
2645                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2646                         Host_ClientCommands("\nstopdownload\n");
2647                         return;
2648                 }
2649         }
2650
2651         if (!sv_allowdownloads_archive.integer)
2652         {
2653                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2654                 {
2655                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2656                         Host_ClientCommands("\nstopdownload\n");
2657                         return;
2658                 }
2659         }
2660
2661         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2662         if (!host_client->download_file)
2663         {
2664                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2665                 Host_ClientCommands("\nstopdownload\n");
2666                 return;
2667         }
2668
2669         if (FS_FileSize(host_client->download_file) > 1<<30)
2670         {
2671                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2672                 Host_ClientCommands("\nstopdownload\n");
2673                 FS_Close(host_client->download_file);
2674                 host_client->download_file = NULL;
2675                 return;
2676         }
2677
2678         if (FS_FileSize(host_client->download_file) < 0)
2679         {
2680                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2681                 Host_ClientCommands("\nstopdownload\n");
2682                 FS_Close(host_client->download_file);
2683                 host_client->download_file = NULL;
2684                 return;
2685         }
2686
2687         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2688
2689         /*
2690          * we can only do this if we would actually deflate on the fly
2691          * which we do not (yet)!
2692         {
2693                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2694                 extensions[0] = '\0';
2695                 
2696                 if(host_client->download_deflate)
2697                         strlcat(extensions, " deflate", sizeof(extensions));
2698
2699                 // no, no space is needed between %s and %s :P
2700                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2701         }
2702         */
2703         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2704
2705         host_client->download_expectedposition = 0;
2706         host_client->download_started = false;
2707         host_client->sendsignon = true; // make sure this message is sent
2708
2709         // the rest of the download process is handled in SV_SendClientDatagram
2710         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2711         //
2712         // no svc_downloaddata messages will be sent until sv_startdownload is
2713         // sent by the client
2714 }
2715
2716 /*
2717 ==============================================================================
2718
2719 SERVER SPAWNING
2720
2721 ==============================================================================
2722 */
2723
2724 /*
2725 ================
2726 SV_ModelIndex
2727
2728 ================
2729 */
2730 int SV_ModelIndex(const char *s, int precachemode)
2731 {
2732         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2733         char filename[MAX_QPATH];
2734         if (!s || !*s)
2735                 return 0;
2736         // testing
2737         //if (precachemode == 2)
2738         //      return 0;
2739         strlcpy(filename, s, sizeof(filename));
2740         for (i = 2;i < limit;i++)
2741         {
2742                 if (!sv.model_precache[i][0])
2743                 {
2744                         if (precachemode)
2745                         {
2746                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2747                                 {
2748                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2749                                         return 0;
2750                                 }
2751                                 if (precachemode == 1)
2752                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2753                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2754                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2755                                 if (sv.state != ss_loading)
2756                                 {
2757                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2758                                         MSG_WriteShort(&sv.reliable_datagram, i);
2759                                         MSG_WriteString(&sv.reliable_datagram, filename);
2760                                 }
2761                                 return i;
2762                         }
2763                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2764                         return 0;
2765                 }
2766                 if (!strcmp(sv.model_precache[i], filename))
2767                         return i;
2768         }
2769         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2770         return 0;
2771 }
2772
2773 /*
2774 ================
2775 SV_SoundIndex
2776
2777 ================
2778 */
2779 int SV_SoundIndex(const char *s, int precachemode)
2780 {
2781         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_SOUNDS);
2782         char filename[MAX_QPATH];
2783         if (!s || !*s)
2784                 return 0;
2785         // testing
2786         //if (precachemode == 2)
2787         //      return 0;
2788         strlcpy(filename, s, sizeof(filename));
2789         for (i = 1;i < limit;i++)
2790         {
2791                 if (!sv.sound_precache[i][0])
2792                 {
2793                         if (precachemode)
2794                         {
2795                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2796                                 {
2797                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2798                                         return 0;
2799                                 }
2800                                 if (precachemode == 1)
2801                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2802                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2803                                 if (sv.state != ss_loading)
2804                                 {
2805                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2806                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2807                                         MSG_WriteString(&sv.reliable_datagram, filename);
2808                                 }
2809                                 return i;
2810                         }
2811                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2812                         return 0;
2813                 }
2814                 if (!strcmp(sv.sound_precache[i], filename))
2815                         return i;
2816         }
2817         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2818         return 0;
2819 }
2820
2821 /*
2822 ================
2823 SV_ParticleEffectIndex
2824
2825 ================
2826 */
2827 int SV_ParticleEffectIndex(const char *name)
2828 {
2829         int i, argc, linenumber, effectnameindex;
2830         int filepass;
2831         fs_offset_t filesize;
2832         unsigned char *filedata;
2833         const char *text;
2834         const char *textstart;
2835         //const char *textend;
2836         char argv[16][1024];
2837         char filename[MAX_QPATH];
2838         if (!sv.particleeffectnamesloaded)
2839         {
2840                 sv.particleeffectnamesloaded = true;
2841                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2842                 for (i = 0;i < EFFECT_TOTAL;i++)
2843                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2844                 for (filepass = 0;;filepass++)
2845                 {
2846                         if (filepass == 0)
2847                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2848                         else if (filepass == 1)
2849                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2850                         else
2851                                 break;
2852                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2853                         if (!filedata)
2854                                 continue;
2855                         textstart = (const char *)filedata;
2856                         //textend = (const char *)filedata + filesize;
2857                         text = textstart;
2858                         for (linenumber = 1;;linenumber++)
2859                         {
2860                                 argc = 0;
2861                                 for (;;)
2862                                 {
2863                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2864                                                 break;
2865                                         if (argc < 16)
2866                                         {
2867                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2868                                                 argc++;
2869                                         }
2870                                 }
2871                                 if (com_token[0] == 0)
2872                                         break; // if the loop exited and it's not a \n, it's EOF
2873                                 if (argc < 1)
2874                                         continue;
2875                                 if (!strcmp(argv[0], "effect"))
2876                                 {
2877                                         if (argc == 2)
2878                                         {
2879                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2880                                                 {
2881                                                         if (sv.particleeffectname[effectnameindex][0])
2882                                                         {
2883                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2884                                                                         break;
2885                                                         }
2886                                                         else
2887                                                         {
2888                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2889                                                                 break;
2890                                                         }
2891                                                 }
2892                                                 // if we run out of names, abort
2893                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2894                                                 {
2895                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2896                                                         break;
2897                                                 }
2898                                         }
2899                                 }
2900                         }
2901                         Mem_Free(filedata);
2902                 }
2903         }
2904         // search for the name
2905         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2906                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2907                         return effectnameindex;
2908         // return 0 if we couldn't find it
2909         return 0;
2910 }
2911
2912 dp_model_t *SV_GetModelByIndex(int modelindex)
2913 {
2914         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2915 }
2916
2917 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2918 {
2919         int modelindex;
2920         if (!ed || ed->priv.server->free)
2921                 return NULL;
2922         modelindex = (int)ed->fields.server->modelindex;
2923         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2924 }
2925
2926 /*
2927 ================
2928 SV_CreateBaseline
2929
2930 ================
2931 */
2932 static void SV_CreateBaseline (void)
2933 {
2934         int i, entnum, large;
2935         prvm_edict_t *svent;
2936
2937         // LordHavoc: clear *all* states (note just active ones)
2938         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2939         {
2940                 // get the current server version
2941                 svent = PRVM_EDICT_NUM(entnum);
2942
2943                 // LordHavoc: always clear state values, whether the entity is in use or not
2944                 svent->priv.server->baseline = defaultstate;
2945
2946                 if (svent->priv.server->free)
2947                         continue;
2948                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2949                         continue;
2950
2951                 // create entity baseline
2952                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2953                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2954                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2955                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2956                 if (entnum > 0 && entnum <= svs.maxclients)
2957                 {
2958                         svent->priv.server->baseline.colormap = entnum;
2959                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2960                 }
2961                 else
2962                 {
2963                         svent->priv.server->baseline.colormap = 0;
2964                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2965                 }
2966
2967                 large = false;
2968                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2969                 {
2970                         large = true;
2971                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2972                                 large = false;
2973                 }
2974
2975                 // add to the message
2976                 if (large)
2977                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2978                 else
2979                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2980                 MSG_WriteShort (&sv.signon, entnum);
2981
2982                 if (large)
2983                 {
2984                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2985                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2986                 }
2987                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2988                 {
2989                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2990                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2991                 }
2992                 else
2993                 {
2994                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2995                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2996                 }
2997                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2998                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2999                 for (i=0 ; i<3 ; i++)
3000                 {
3001                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3002                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3003                 }
3004         }
3005 }
3006
3007 /*
3008 ================
3009 SV_Prepare_CSQC
3010
3011 Load csprogs.dat and comperss it so it doesn't need to be
3012 reloaded on request.
3013 ================
3014 */
3015 void SV_Prepare_CSQC(void)
3016 {
3017         fs_offset_t progsize;
3018
3019         if(svs.csqc_progdata)
3020         {
3021                 Con_DPrintf("Unloading old CSQC data.\n");
3022                 Mem_Free(svs.csqc_progdata);
3023                 if(svs.csqc_progdata_deflated)
3024                         Mem_Free(svs.csqc_progdata_deflated);
3025         }
3026
3027         svs.csqc_progdata = NULL;
3028         svs.csqc_progdata_deflated = NULL;
3029         
3030         sv.csqc_progname[0] = 0;
3031         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3032
3033         if(progsize > 0)
3034         {
3035                 size_t deflated_size;
3036
3037                 sv.csqc_progsize = (int)progsize;
3038                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3039                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3040                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3041
3042                 Con_DPrint("Compressing csprogs.dat\n");
3043                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3044                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3045                 svs.csqc_progsize_deflated = (int)deflated_size;
3046                 if(svs.csqc_progdata_deflated)
3047                 {
3048                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3049                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3050                 }
3051                 else
3052                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3053         }
3054 }
3055
3056 /*
3057 ================
3058 SV_SaveSpawnparms
3059
3060 Grabs the current state of each client for saving across the
3061 transition to another level
3062 ================
3063 */
3064 void SV_SaveSpawnparms (void)
3065 {
3066         int             i, j;
3067
3068         svs.serverflags = (int)prog->globals.server->serverflags;
3069
3070         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3071         {
3072                 if (!host_client->active)
3073                         continue;
3074
3075         // call the progs to get default spawn parms for the new client
3076                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3077                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3078                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3079                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3080         }
3081 }
3082
3083 /*
3084 ================
3085 SV_SpawnServer
3086
3087 This is called at the start of each level
3088 ================
3089 */
3090
3091 void SV_SpawnServer (const char *server)
3092 {
3093         prvm_edict_t *ent;
3094         int i;
3095         char *entities;
3096         dp_model_t *worldmodel;
3097         char modelname[sizeof(sv.worldname)];
3098
3099         Con_DPrintf("SpawnServer: %s\n", server);
3100
3101         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3102
3103         if (!FS_FileExists(modelname))
3104         {
3105                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3106                 if (!FS_FileExists(modelname))
3107                 {
3108                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3109                         return;
3110         &