PolygonBegin: support a third argument "is2d"; fix a depth range bug
[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_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"};
119 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"};
120 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)"};
121 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
122 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
123 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
124 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
125 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)"};
126 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
127 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
128 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
129 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
130 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
131 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
132 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
133 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"};
134 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)"};
135 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)"};
136 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)"};
137 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
138 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
139 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
140 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"};
141 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"};
142 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
143 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)"};
144 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
145 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)"};
146 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"};
147 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
148 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"};
149 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"};
150 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
151
152 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
153 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
154 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
155 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
156 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
157 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
158 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
159 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
160 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
161 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)"};
162
163 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
174 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
175 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
176 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
177 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
178 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
179 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
180 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
181 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
182 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
183 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
184
185 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)"};
186 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)" };
187 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."};
188
189 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
190
191 server_t sv;
192 server_static_t svs;
193
194 mempool_t *sv_mempool = NULL;
195
196 extern cvar_t slowmo;
197 extern float            scr_centertime_off;
198
199 // MUST match effectnameindex_t in client.h
200 static const char *standardeffectnames[EFFECT_TOTAL] =
201 {
202         "",
203         "TE_GUNSHOT",
204         "TE_GUNSHOTQUAD",
205         "TE_SPIKE",
206         "TE_SPIKEQUAD",
207         "TE_SUPERSPIKE",
208         "TE_SUPERSPIKEQUAD",
209         "TE_WIZSPIKE",
210         "TE_KNIGHTSPIKE",
211         "TE_EXPLOSION",
212         "TE_EXPLOSIONQUAD",
213         "TE_TAREXPLOSION",
214         "TE_TELEPORT",
215         "TE_LAVASPLASH",
216         "TE_SMALLFLASH",
217         "TE_FLAMEJET",
218         "EF_FLAME",
219         "TE_BLOOD",
220         "TE_SPARK",
221         "TE_PLASMABURN",
222         "TE_TEI_G3",
223         "TE_TEI_SMOKE",
224         "TE_TEI_BIGEXPLOSION",
225         "TE_TEI_PLASMAHIT",
226         "EF_STARDUST",
227         "TR_ROCKET",
228         "TR_GRENADE",
229         "TR_BLOOD",
230         "TR_WIZSPIKE",
231         "TR_SLIGHTBLOOD",
232         "TR_KNIGHTSPIKE",
233         "TR_VORESPIKE",
234         "TR_NEHAHRASMOKE",
235         "TR_NEXUIZPLASMA",
236         "TR_GLOWTRAIL",
237         "SVC_PARTICLE"
238 };
239
240 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
241
242 prvm_required_field_t reqfields[] =
243 {
244         {ev_entity, "cursor_trace_ent"},
245         {ev_entity, "drawonlytoclient"},
246         {ev_entity, "exteriormodeltoclient"},
247         {ev_entity, "nodrawtoclient"},
248         {ev_entity, "tag_entity"},
249         {ev_entity, "viewmodelforclient"},
250         {ev_float, "SendFlags"},
251         {ev_float, "Version"},
252         {ev_float, "alpha"},
253         {ev_float, "ammo_cells1"},
254         {ev_float, "ammo_lava_nails"},
255         {ev_float, "ammo_multi_rockets"},
256         {ev_float, "ammo_nails1"},
257         {ev_float, "ammo_plasma"},
258         {ev_float, "ammo_rockets1"},
259         {ev_float, "ammo_shells1"},
260         {ev_float, "button3"},
261         {ev_float, "button4"},
262         {ev_float, "button5"},
263         {ev_float, "button6"},
264         {ev_float, "button7"},
265         {ev_float, "button8"},
266         {ev_float, "button9"},
267         {ev_float, "button10"},
268         {ev_float, "button11"},
269         {ev_float, "button12"},
270         {ev_float, "button13"},
271         {ev_float, "button14"},
272         {ev_float, "button15"},
273         {ev_float, "button16"},
274         {ev_float, "buttonchat"},
275         {ev_float, "buttonuse"},
276         {ev_float, "clientcolors"},
277         {ev_float, "cursor_active"},
278         {ev_float, "disableclientprediction"},
279         {ev_float, "fullbright"},
280         {ev_float, "glow_color"},
281         {ev_float, "glow_size"},
282         {ev_float, "glow_trail"},
283         {ev_float, "gravity"},
284         {ev_float, "idealpitch"},
285         {ev_float, "items2"},
286         {ev_float, "light_lev"},
287         {ev_float, "modelflags"},
288         {ev_float, "pflags"},
289         {ev_float, "ping"},
290         {ev_float, "pitch_speed"},
291         {ev_float, "pmodel"},
292         {ev_float, "renderamt"}, // HalfLife support
293         {ev_float, "rendermode"}, // HalfLife support
294         {ev_float, "scale"},
295         {ev_float, "style"},
296         {ev_float, "tag_index"},
297         {ev_float, "viewzoom"},
298         {ev_function, "SendEntity"},
299         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
300         {ev_function, "customizeentityforclient"},
301         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
302         {ev_string, "netaddress"},
303         {ev_string, "playermodel"},
304         {ev_string, "playerskin"},
305         {ev_vector, "color"},
306         {ev_vector, "colormod"},
307         {ev_vector, "cursor_screen"},
308         {ev_vector, "cursor_trace_endpos"},
309         {ev_vector, "cursor_trace_start"},
310         {ev_vector, "glowmod"},
311         {ev_vector, "movement"},
312         {ev_vector, "punchvector"},
313
314         // physics
315         //{ev_float, "solid"},
316         //{ev_float, "movetype"},
317         //{ev_float, "modelindex"},
318         {ev_vector, "mass"},
319         //{ev_vector, "origin"},
320         //{ev_vector, "velocity"},
321         //{ev_vector, "axis_forward"},
322         //{ev_vector, "axis_left"},
323         //{ev_vector, "axis_up"},
324         //{ev_vector, "spinvelocity"},
325         //{ev_vector, "angles"},
326         //{ev_vector, "avelocity"},
327
328 };
329
330
331
332 //============================================================================
333
334 void SV_AreaStats_f(void)
335 {
336         World_PrintAreaStats(&sv.world, "server");
337 }
338
339 /*
340 ===============
341 SV_Init
342 ===============
343 */
344 void SV_Init (void)
345 {
346         // init the csqc progs cvars, since they are updated/used by the server code
347         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
348         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
349         extern cvar_t csqc_progcrc;
350         extern cvar_t csqc_progsize;
351
352         Cvar_RegisterVariable(&sv_worldmessage);
353         Cvar_RegisterVariable(&sv_worldname);
354         Cvar_RegisterVariable(&sv_worldnamenoextension);
355         Cvar_RegisterVariable(&sv_worldbasename);
356
357         Cvar_RegisterVariable (&csqc_progname);
358         Cvar_RegisterVariable (&csqc_progcrc);
359         Cvar_RegisterVariable (&csqc_progsize);
360
361         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
362         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
363         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
364         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
365
366         Cvar_RegisterVariable (&coop);
367         Cvar_RegisterVariable (&deathmatch);
368         Cvar_RegisterVariable (&fraglimit);
369         Cvar_RegisterVariable (&gamecfg);
370         Cvar_RegisterVariable (&noexit);
371         Cvar_RegisterVariable (&nomonsters);
372         Cvar_RegisterVariable (&pausable);
373         Cvar_RegisterVariable (&pr_checkextension);
374         Cvar_RegisterVariable (&samelevel);
375         Cvar_RegisterVariable (&skill);
376         Cvar_RegisterVariable (&slowmo);
377         Cvar_RegisterVariable (&sv_accelerate);
378         Cvar_RegisterVariable (&sv_aim);
379         Cvar_RegisterVariable (&sv_airaccel_qw);
380         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
381         Cvar_RegisterVariable (&sv_airaccelerate);
382         Cvar_RegisterVariable (&sv_airstopaccelerate);
383         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
384         Cvar_RegisterVariable (&sv_maxairstrafespeed);
385         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
386         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
387         Cvar_RegisterVariable (&sv_aircontrol);
388         Cvar_RegisterVariable (&sv_aircontrol_power);
389         Cvar_RegisterVariable (&sv_aircontrol_penalty);
390         Cvar_RegisterVariable (&sv_allowdownloads);
391         Cvar_RegisterVariable (&sv_allowdownloads_archive);
392         Cvar_RegisterVariable (&sv_allowdownloads_config);
393         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
394         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
395         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
396         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
397         Cvar_RegisterVariable (&sv_clmovement_enable);
398         Cvar_RegisterVariable (&sv_clmovement_minping);
399         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
400         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
401         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
402         Cvar_RegisterVariable (&sv_cullentities_pvs);
403         Cvar_RegisterVariable (&sv_cullentities_stats);
404         Cvar_RegisterVariable (&sv_cullentities_trace);
405         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
406         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
407         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
408         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
409         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
410         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
411         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
412         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
413         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
414         Cvar_RegisterVariable (&sv_debugmove);
415         Cvar_RegisterVariable (&sv_echobprint);
416         Cvar_RegisterVariable (&sv_edgefriction);
417         Cvar_RegisterVariable (&sv_entpatch);
418         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
419         Cvar_RegisterVariable (&sv_freezenonclients);
420         Cvar_RegisterVariable (&sv_friction);
421         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
422         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
423         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
424         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
425         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
426         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
427         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
428         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
429         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
430         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
431         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
432         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
433         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
434         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
435         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
436         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
437         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
438         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
439         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
440         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
441         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
442         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
443         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
444         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
445         Cvar_RegisterVariable (&sv_gravity);
446         Cvar_RegisterVariable (&sv_idealpitchscale);
447         Cvar_RegisterVariable (&sv_jumpstep);
448         Cvar_RegisterVariable (&sv_jumpvelocity);
449         Cvar_RegisterVariable (&sv_maxairspeed);
450         Cvar_RegisterVariable (&sv_maxrate);
451         Cvar_RegisterVariable (&sv_maxspeed);
452         Cvar_RegisterVariable (&sv_maxvelocity);
453         Cvar_RegisterVariable (&sv_nostep);
454         Cvar_RegisterVariable (&sv_playerphysicsqc);
455         Cvar_RegisterVariable (&sv_progs);
456         Cvar_RegisterVariable (&sv_protocolname);
457         Cvar_RegisterVariable (&sv_random_seed);
458         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
459         Cvar_RegisterVariable (&sv_sound_land);
460         Cvar_RegisterVariable (&sv_sound_watersplash);
461         Cvar_RegisterVariable (&sv_stepheight);
462         Cvar_RegisterVariable (&sv_stopspeed);
463         Cvar_RegisterVariable (&sv_wallfriction);
464         Cvar_RegisterVariable (&sv_wateraccelerate);
465         Cvar_RegisterVariable (&sv_waterfriction);
466         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
467         Cvar_RegisterVariable (&sv_warsowbunny_accel);
468         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
469         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
470         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
471         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
472         Cvar_RegisterVariable (&sys_ticrate);
473         Cvar_RegisterVariable (&teamplay);
474         Cvar_RegisterVariable (&timelimit);
475
476         Cvar_RegisterVariable (&saved1);
477         Cvar_RegisterVariable (&saved2);
478         Cvar_RegisterVariable (&saved3);
479         Cvar_RegisterVariable (&saved4);
480         Cvar_RegisterVariable (&savedgamecfg);
481         Cvar_RegisterVariable (&scratch1);
482         Cvar_RegisterVariable (&scratch2);
483         Cvar_RegisterVariable (&scratch3);
484         Cvar_RegisterVariable (&scratch4);
485         Cvar_RegisterVariable (&temp1);
486
487         // LordHavoc: Nehahra uses these to pass data around cutscene demos
488         if (gamemode == GAME_NEHAHRA)
489         {
490                 Cvar_RegisterVariable (&nehx00);
491                 Cvar_RegisterVariable (&nehx01);
492                 Cvar_RegisterVariable (&nehx02);
493                 Cvar_RegisterVariable (&nehx03);
494                 Cvar_RegisterVariable (&nehx04);
495                 Cvar_RegisterVariable (&nehx05);
496                 Cvar_RegisterVariable (&nehx06);
497                 Cvar_RegisterVariable (&nehx07);
498                 Cvar_RegisterVariable (&nehx08);
499                 Cvar_RegisterVariable (&nehx09);
500                 Cvar_RegisterVariable (&nehx10);
501                 Cvar_RegisterVariable (&nehx11);
502                 Cvar_RegisterVariable (&nehx12);
503                 Cvar_RegisterVariable (&nehx13);
504                 Cvar_RegisterVariable (&nehx14);
505                 Cvar_RegisterVariable (&nehx15);
506                 Cvar_RegisterVariable (&nehx16);
507                 Cvar_RegisterVariable (&nehx17);
508                 Cvar_RegisterVariable (&nehx18);
509                 Cvar_RegisterVariable (&nehx19);
510         }
511         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
512
513         Cvar_RegisterVariable (&sv_autodemo_perclient);
514         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
515         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
516
517         Cvar_RegisterVariable (&halflifebsp);
518
519         // any special defaults for gamemodes go here
520         if (gamemode == GAME_NEHAHRA)
521         {
522                 // Nehahra pushable crates malfunction in some levels if this is on
523                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
524                 // Nehahra NPC AI is confused by this feature
525                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
526         }
527         if (gamemode == GAME_HIPNOTIC)
528         {
529                 // 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.
530                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
531                 // 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
532                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
533                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
534                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
535         }
536         if (gamemode == GAME_ROGUE)
537         {
538                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
539                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
540         }
541         if (gamemode == GAME_NEXUIZ)
542         {
543                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
544                 Cvar_SetValueQuick (&sv_gameplayfix_stepmultipletimes, 1);
545         }
546
547         sv_mempool = Mem_AllocPool("server", 0, NULL);
548 }
549
550 static void SV_SaveEntFile_f(void)
551 {
552         if (!sv.active || !sv.worldmodel)
553         {
554                 Con_Print("Not running a server\n");
555                 return;
556         }
557         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
558 }
559
560
561 /*
562 =============================================================================
563
564 EVENT MESSAGES
565
566 =============================================================================
567 */
568
569 /*
570 ==================
571 SV_StartParticle
572
573 Make sure the event gets sent to all clients
574 ==================
575 */
576 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
577 {
578         int i;
579
580         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
581                 return;
582         MSG_WriteByte (&sv.datagram, svc_particle);
583         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
584         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
585         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
586         for (i=0 ; i<3 ; i++)
587                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
588         MSG_WriteByte (&sv.datagram, count);
589         MSG_WriteByte (&sv.datagram, color);
590         SV_FlushBroadcastMessages();
591 }
592
593 /*
594 ==================
595 SV_StartEffect
596
597 Make sure the event gets sent to all clients
598 ==================
599 */
600 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
601 {
602         if (modelindex >= 256 || startframe >= 256)
603         {
604                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
605                         return;
606                 MSG_WriteByte (&sv.datagram, svc_effect2);
607                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
608                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
609                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
610                 MSG_WriteShort (&sv.datagram, modelindex);
611                 MSG_WriteShort (&sv.datagram, startframe);
612                 MSG_WriteByte (&sv.datagram, framecount);
613                 MSG_WriteByte (&sv.datagram, framerate);
614         }
615         else
616         {
617                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
618                         return;
619                 MSG_WriteByte (&sv.datagram, svc_effect);
620                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
621                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
622                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
623                 MSG_WriteByte (&sv.datagram, modelindex);
624                 MSG_WriteByte (&sv.datagram, startframe);
625                 MSG_WriteByte (&sv.datagram, framecount);
626                 MSG_WriteByte (&sv.datagram, framerate);
627         }
628         SV_FlushBroadcastMessages();
629 }
630
631 /*
632 ==================
633 SV_StartSound
634
635 Each entity can have eight independant sound sources, like voice,
636 weapon, feet, etc.
637
638 Channel 0 is an auto-allocate channel, the others override anything
639 already running on that entity/channel pair.
640
641 An attenuation of 0 will play full volume everywhere in the level.
642 Larger attenuations will drop off.  (max 4 attenuation)
643
644 ==================
645 */
646 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
647 {
648         int sound_num, field_mask, i, ent;
649
650         if (volume < 0 || volume > 255)
651         {
652                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
653                 return;
654         }
655
656         if (attenuation < 0 || attenuation > 4)
657         {
658                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
659                 return;
660         }
661
662         if (channel < 0 || channel > 7)
663         {
664                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
665                 return;
666         }
667
668         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
669                 return;
670
671 // find precache number for sound
672         sound_num = SV_SoundIndex(sample, 1);
673         if (!sound_num)
674                 return;
675
676         ent = PRVM_NUM_FOR_EDICT(entity);
677
678         field_mask = 0;
679         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
680                 field_mask |= SND_VOLUME;
681         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
682                 field_mask |= SND_ATTENUATION;
683         if (ent >= 8192)
684                 field_mask |= SND_LARGEENTITY;
685         if (sound_num >= 256 || channel >= 8)
686                 field_mask |= SND_LARGESOUND;
687
688 // directed messages go only to the entity they are targeted on
689         MSG_WriteByte (&sv.datagram, svc_sound);
690         MSG_WriteByte (&sv.datagram, field_mask);
691         if (field_mask & SND_VOLUME)
692                 MSG_WriteByte (&sv.datagram, volume);
693         if (field_mask & SND_ATTENUATION)
694                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
695         if (field_mask & SND_LARGEENTITY)
696         {
697                 MSG_WriteShort (&sv.datagram, ent);
698                 MSG_WriteByte (&sv.datagram, channel);
699         }
700         else
701                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
702         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
703                 MSG_WriteShort (&sv.datagram, sound_num);
704         else
705                 MSG_WriteByte (&sv.datagram, sound_num);
706         for (i = 0;i < 3;i++)
707                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
708         SV_FlushBroadcastMessages();
709 }
710
711 /*
712 ==================
713 SV_StartPointSound
714
715 Nearly the same logic as SV_StartSound, except an origin
716 instead of an entity is provided and channel is omitted.
717
718 The entity sent to the client is 0 (world) and the channel
719 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
720 function, therefore the check for it is omitted.
721
722 ==================
723 */
724 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
725 {
726         int sound_num, field_mask, i;
727
728         if (volume < 0 || volume > 255)
729         {
730                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
731                 return;
732         }
733
734         if (attenuation < 0 || attenuation > 4)
735         {
736                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
737                 return;
738         }
739
740         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
741                 return;
742
743         // find precache number for sound
744         sound_num = SV_SoundIndex(sample, 1);
745         if (!sound_num)
746                 return;
747
748         field_mask = 0;
749         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
750                 field_mask |= SND_VOLUME;
751         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
752                 field_mask |= SND_ATTENUATION;
753         if (sound_num >= 256)
754                 field_mask |= SND_LARGESOUND;
755
756 // directed messages go only to the entity they are targeted on
757         MSG_WriteByte (&sv.datagram, svc_sound);
758         MSG_WriteByte (&sv.datagram, field_mask);
759         if (field_mask & SND_VOLUME)
760                 MSG_WriteByte (&sv.datagram, volume);
761         if (field_mask & SND_ATTENUATION)
762                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
763         // Always write entnum 0 for the world entity
764         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
765         if (field_mask & SND_LARGESOUND)
766                 MSG_WriteShort (&sv.datagram, sound_num);
767         else
768                 MSG_WriteByte (&sv.datagram, sound_num);
769         for (i = 0;i < 3;i++)
770                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
771         SV_FlushBroadcastMessages();
772 }
773
774 /*
775 ==============================================================================
776
777 CLIENT SPAWNING
778
779 ==============================================================================
780 */
781
782 /*
783 ================
784 SV_SendServerinfo
785
786 Sends the first message from the server to a connected client.
787 This will be sent on the initial connection and upon each server load.
788 ================
789 */
790 void SV_SendServerinfo (client_t *client)
791 {
792         int i;
793         char message[128];
794
795         // we know that this client has a netconnection and thus is not a bot
796
797         // edicts get reallocated on level changes, so we need to update it here
798         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
799
800         // clear cached stuff that depends on the level
801         client->weaponmodel[0] = 0;
802         client->weaponmodelindex = 0;
803
804         // LordHavoc: clear entityframe tracking
805         client->latestframenum = 0;
806
807         // initialize the movetime, so a speedhack can't make use of the time before this client joined
808         client->cmd.time = sv.time;
809
810         if (client->entitydatabase)
811                 EntityFrame_FreeDatabase(client->entitydatabase);
812         if (client->entitydatabase4)
813                 EntityFrame4_FreeDatabase(client->entitydatabase4);
814         if (client->entitydatabase5)
815                 EntityFrame5_FreeDatabase(client->entitydatabase5);
816
817         memset(client->stats, 0, sizeof(client->stats));
818         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
819
820         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)
821         {
822                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
823                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
824                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
825                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
826                 else
827                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
828         }
829
830         // reset csqc entity versions
831         for (i = 0;i < prog->max_edicts;i++)
832         {
833                 client->csqcentityscope[i] = 0;
834                 client->csqcentitysendflags[i] = 0xFFFFFF;
835                 client->csqcentityglobalhistory[i] = 0;
836         }
837         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
838         {
839                 client->csqcentityframehistory[i].num = 0;
840                 client->csqcentityframehistory[i].framenum = -1;
841         }
842         client->csqcnumedicts = 0;
843         client->csqcentityframehistory_next = 0;
844
845         SZ_Clear (&client->netconnection->message);
846         MSG_WriteByte (&client->netconnection->message, svc_print);
847         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
848         MSG_WriteString (&client->netconnection->message,message);
849
850         SV_StopDemoRecording(client); // to split up demos into different files
851         if(sv_autodemo_perclient.integer && client->netconnection)
852         {
853                 char demofile[MAX_OSPATH];
854                 char ipaddress[MAX_QPATH];
855                 size_t i;
856
857                 // start a new demo file
858                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
859                 for(i = 0; ipaddress[i]; ++i)
860                         if(!isalnum(ipaddress[i]))
861                                 ipaddress[i] = '-';
862                 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);
863
864                 SV_StartDemoRecording(client, demofile, -1);
865         }
866
867         //[515]: init csprogs according to version of svprogs, check the crc, etc.
868         if (sv.csqc_progname[0])
869         {
870                 prvm_eval_t *val;
871                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
872                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
873                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
874                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
875                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
876                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
877                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
878
879                 if(client->sv_demo_file != NULL)
880                 {
881                         int i;
882                         static char buf[NET_MAXMESSAGE];
883                         sizebuf_t sb;
884
885                         sb.data = (unsigned char *) buf;
886                         sb.maxsize = sizeof(buf);
887                         i = 0;
888                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
889                                 SV_WriteDemoMessage(client, &sb, false);
890                 }
891
892                 //[515]: init stufftext string (it is sent before svc_serverinfo)
893                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
894                 if (val)
895                 {
896                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
897                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
898                 }
899         }
900
901         //if (sv_allowdownloads.integer)
902         // always send the info that the server supports the protocol, even if downloads are forbidden
903         // only because of that, the CSQC exception can work
904         {
905                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
906                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
907         }
908
909         // send at this time so it's guaranteed to get executed at the right time
910         {
911                 client_t *save;
912                 save = host_client;
913                 host_client = client;
914                 Curl_SendRequirements();
915                 host_client = save;
916         }
917
918         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
919         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
920         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
921
922         if (!coop.integer && deathmatch.integer)
923                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
924         else
925                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
926
927         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
928
929         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
930                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
931         MSG_WriteByte (&client->netconnection->message, 0);
932
933         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
934                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
935         MSG_WriteByte (&client->netconnection->message, 0);
936
937 // send music
938         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
939         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
940         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
941
942 // set view
943 // store this in clientcamera, too
944         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
945         MSG_WriteByte (&client->netconnection->message, svc_setview);
946         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
947
948         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
949         MSG_WriteByte (&client->netconnection->message, 1);
950
951         client->spawned = false;                // need prespawn, spawn, etc
952         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
953
954         // clear movement info until client enters the new level properly
955         memset(&client->cmd, 0, sizeof(client->cmd));
956         client->movesequence = 0;
957         client->movement_highestsequence_seen = 0;
958         memset(&client->movement_count, 0, sizeof(client->movement_count));
959 #ifdef NUM_PING_TIMES
960         for (i = 0;i < NUM_PING_TIMES;i++)
961                 client->ping_times[i] = 0;
962         client->num_pings = 0;
963 #endif
964         client->ping = 0;
965
966         // allow the client some time to send his keepalives, even if map loading took ages
967         client->netconnection->timeout = realtime + net_connecttimeout.value;
968 }
969
970 /*
971 ================
972 SV_ConnectClient
973
974 Initializes a client_t for a new net connection.  This will only be called
975 once for a player each game, not once for each level change.
976 ================
977 */
978 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
979 {
980         client_t                *client;
981         int                             i;
982
983         client = svs.clients + clientnum;
984
985 // set up the client_t
986         if (sv.loadgame)
987         {
988                 float backupparms[NUM_SPAWN_PARMS];
989                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
990                 memset(client, 0, sizeof(*client));
991                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
992         }
993         else
994                 memset(client, 0, sizeof(*client));
995         client->active = true;
996         client->netconnection = netconnection;
997
998         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
999
1000         if(client->netconnection && client->netconnection->crypto.authenticated)
1001         {
1002                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1003                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1004                                 client->netconnection->address,
1005                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1006                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1007                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1008                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1009                                 );
1010         }
1011
1012         strlcpy(client->name, "unconnected", sizeof(client->name));
1013         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1014         client->spawned = false;
1015         client->edict = PRVM_EDICT_NUM(clientnum+1);
1016         if (client->netconnection)
1017                 client->netconnection->message.allowoverflow = true;            // we can catch it
1018         // prepare the unreliable message buffer
1019         client->unreliablemsg.data = client->unreliablemsg_data;
1020         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1021         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1022         client->rate = 1000000000;
1023         // no limits for local player
1024         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1025                 client->rate = 1000000000;
1026         client->connecttime = realtime;
1027
1028         if (!sv.loadgame)
1029         {
1030                 // call the progs to get default spawn parms for the new client
1031                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1032                 prog->globals.server->self = 0;
1033                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1034                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1035                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1036
1037                 // set up the entity for this client (including .colormap, .team, etc)
1038                 PRVM_ED_ClearEdict(client->edict);
1039         }
1040
1041         // don't call SendServerinfo for a fresh botclient because its fields have
1042         // not been set up by the qc yet
1043         if (client->netconnection)
1044                 SV_SendServerinfo (client);
1045         else
1046                 client->spawned = true;
1047 }
1048
1049
1050 /*
1051 ===============================================================================
1052
1053 FRAME UPDATES
1054
1055 ===============================================================================
1056 */
1057
1058 /*
1059 =============================================================================
1060
1061 The PVS must include a small area around the client to allow head bobbing
1062 or other small motion on the client side.  Otherwise, a bob might cause an
1063 entity that should be visible to not show up, especially when the bob
1064 crosses a waterline.
1065
1066 =============================================================================
1067 */
1068
1069 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1070 {
1071         int i;
1072         unsigned int sendflags;
1073         unsigned int version;
1074         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1075         unsigned int customizeentityforclient;
1076         unsigned int sendentity;
1077         float f;
1078         vec3_t cullmins, cullmaxs;
1079         dp_model_t *model;
1080         prvm_eval_t *val, *val2;
1081
1082         // fast path for games that do not use legacy entity networking
1083         // note: still networks clients even if they are legacy
1084         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1085         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1086                 return false;
1087
1088         // this 2 billion unit check is actually to detect NAN origins
1089         // (we really don't want to send those)
1090         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1091                 return false;
1092
1093         // EF_NODRAW prevents sending for any reason except for your own
1094         // client, so we must keep all clients in this superset
1095         effects = (unsigned)ent->fields.server->effects;
1096
1097         // we can omit invisible entities with no effects that are not clients
1098         // LordHavoc: this could kill tags attached to an invisible entity, I
1099         // just hope we never have to support that case
1100         i = (int)ent->fields.server->modelindex;
1101         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1102
1103         flags = 0;
1104         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1105         glowsize = (unsigned char)bound(0, i, 255);
1106         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1107                 flags |= RENDER_GLOWTRAIL;
1108         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1109                 flags |= RENDER_VIEWMODEL;
1110
1111         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1112         light[0] = (unsigned short)bound(0, f, 65535);
1113         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1114         light[1] = (unsigned short)bound(0, f, 65535);
1115         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1116         light[2] = (unsigned short)bound(0, f, 65535);
1117         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1118         light[3] = (unsigned short)bound(0, f, 65535);
1119         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1120         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1121
1122         if (gamemode == GAME_TENEBRAE)
1123         {
1124                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1125                 if (effects & 16)
1126                 {
1127                         effects &= ~16;
1128                         lightpflags |= PFLAGS_FULLDYNAMIC;
1129                 }
1130                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1131                 if (effects & 32)
1132                 {
1133                         effects &= ~32;
1134                         light[0] = (int)(0.2*256);
1135                         light[1] = (int)(1.0*256);
1136                         light[2] = (int)(0.2*256);
1137                         light[3] = 200;
1138                         lightpflags |= PFLAGS_FULLDYNAMIC;
1139                 }
1140         }
1141
1142         specialvisibilityradius = 0;
1143         if (lightpflags & PFLAGS_FULLDYNAMIC)
1144                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1145         if (glowsize)
1146                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1147         if (flags & RENDER_GLOWTRAIL)
1148                 specialvisibilityradius = max(specialvisibilityradius, 100);
1149         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1150         {
1151                 if (effects & EF_BRIGHTFIELD)
1152                         specialvisibilityradius = max(specialvisibilityradius, 80);
1153                 if (effects & EF_MUZZLEFLASH)
1154                         specialvisibilityradius = max(specialvisibilityradius, 100);
1155                 if (effects & EF_BRIGHTLIGHT)
1156                         specialvisibilityradius = max(specialvisibilityradius, 400);
1157                 if (effects & EF_DIMLIGHT)
1158                         specialvisibilityradius = max(specialvisibilityradius, 200);
1159                 if (effects & EF_RED)
1160                         specialvisibilityradius = max(specialvisibilityradius, 200);
1161                 if (effects & EF_BLUE)
1162                         specialvisibilityradius = max(specialvisibilityradius, 200);
1163                 if (effects & EF_FLAME)
1164                         specialvisibilityradius = max(specialvisibilityradius, 250);
1165                 if (effects & EF_STARDUST)
1166                         specialvisibilityradius = max(specialvisibilityradius, 100);
1167         }
1168
1169         // early culling checks
1170         // (final culling is done by SV_MarkWriteEntityStateToClient)
1171         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1172         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1173                 return false;
1174
1175         *cs = defaultstate;
1176         cs->active = ACTIVE_NETWORK;
1177         cs->number = enumber;
1178         VectorCopy(ent->fields.server->origin, cs->origin);
1179         VectorCopy(ent->fields.server->angles, cs->angles);
1180         cs->flags = flags;
1181         cs->effects = effects;
1182         cs->colormap = (unsigned)ent->fields.server->colormap;
1183         cs->modelindex = modelindex;
1184         cs->skin = (unsigned)ent->fields.server->skin;
1185         cs->frame = (unsigned)ent->fields.server->frame;
1186         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1187         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1188         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1189         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1190         cs->customizeentityforclient = customizeentityforclient;
1191         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1192         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1193         cs->glowsize = glowsize;
1194
1195         // don't need to init cs->colormod because the defaultstate did that for us
1196         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1197         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1198         if (val->vector[0] || val->vector[1] || val->vector[2])
1199         {
1200                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1201                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1202                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1203         }
1204
1205         // don't need to init cs->glowmod because the defaultstate did that for us
1206         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1207         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1208         if (val->vector[0] || val->vector[1] || val->vector[2])
1209         {
1210                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1211                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1212                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1213         }
1214
1215         cs->modelindex = modelindex;
1216
1217         cs->alpha = 255;
1218         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1219         if (f)
1220         {
1221                 i = (int)f;
1222                 cs->alpha = (unsigned char)bound(0, i, 255);
1223         }
1224         // halflife
1225         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1226         if (f)
1227         {
1228                 i = (int)f;
1229                 cs->alpha = (unsigned char)bound(0, i, 255);
1230         }
1231
1232         cs->scale = 16;
1233         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1234         if (f)
1235         {
1236                 i = (int)f;
1237                 cs->scale = (unsigned char)bound(0, i, 255);
1238         }
1239
1240         cs->glowcolor = 254;
1241         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1242         if (f)
1243                 cs->glowcolor = (int)f;
1244
1245         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1246                 cs->effects |= EF_FULLBRIGHT;
1247
1248         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1249         if (val && val->_float)
1250                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1251
1252         if (ent->fields.server->movetype == MOVETYPE_STEP)
1253                 cs->flags |= RENDER_STEP;
1254         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)
1255                 cs->flags |= RENDER_LOWPRECISION;
1256         if (ent->fields.server->colormap >= 1024)
1257                 cs->flags |= RENDER_COLORMAPPED;
1258         if (cs->viewmodelforclient)
1259                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1260
1261         cs->light[0] = light[0];
1262         cs->light[1] = light[1];
1263         cs->light[2] = light[2];
1264         cs->light[3] = light[3];
1265         cs->lightstyle = lightstyle;
1266         cs->lightpflags = lightpflags;
1267
1268         cs->specialvisibilityradius = specialvisibilityradius;
1269
1270         // calculate the visible box of this entity (don't use the physics box
1271         // as that is often smaller than a model, and would not count
1272         // specialvisibilityradius)
1273         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1274         {
1275                 float scale = cs->scale * (1.0f / 16.0f);
1276                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1277                 {
1278                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1279                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1280                 }
1281                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1282                 {
1283                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1284                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1285                 }
1286                 else
1287                 {
1288                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1289                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1290                 }
1291         }
1292         else
1293         {
1294                 // if there is no model (or it could not be loaded), use the physics box
1295                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1296                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1297         }
1298         if (specialvisibilityradius)
1299         {
1300                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1301                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1302                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1303                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1304                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1305                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1306         }
1307
1308         // calculate center of bbox for network prioritization purposes
1309         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1310
1311         // if culling box has moved, update pvs cluster links
1312         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1313         {
1314                 VectorCopy(cullmins, ent->priv.server->cullmins);
1315                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1316                 // a value of -1 for pvs_numclusters indicates that the links are not
1317                 // cached, and should be re-tested each time, this is the case if the
1318                 // culling box touches too many pvs clusters to store, or if the world
1319                 // model does not support FindBoxClusters
1320                 ent->priv.server->pvs_numclusters = -1;
1321                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1322                 {
1323                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1324                         if (i <= MAX_ENTITYCLUSTERS)
1325                                 ent->priv.server->pvs_numclusters = i;
1326                 }
1327         }
1328
1329         // we need to do some csqc entity upkeep here
1330         // get self.SendFlags and clear them
1331         // (to let the QC know that they've been read)
1332         if (sendentity)
1333         {
1334                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1335                 sendflags = (unsigned int)val->_float;
1336                 val->_float = 0;
1337                 // legacy self.Version system
1338                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1339                 if (val2->_float)
1340                 {
1341                         version = (unsigned int)val2->_float;
1342                         if (sv.csqcentityversion[enumber] != version)
1343                                 sendflags = 0xFFFFFF;
1344                         sv.csqcentityversion[enumber] = version;
1345                 }
1346                 // move sendflags into the per-client sendflags
1347                 if (sendflags)
1348                         for (i = 0;i < svs.maxclients;i++)
1349                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1350                 // mark it as inactive for non-csqc networking
1351                 cs->active = ACTIVE_SHARED;
1352         }
1353
1354         return true;
1355 }
1356
1357 void SV_PrepareEntitiesForSending(void)
1358 {
1359         int e;
1360         prvm_edict_t *ent;
1361         // send all entities that touch the pvs
1362         sv.numsendentities = 0;
1363         sv.sendentitiesindex[0] = NULL;
1364         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1365         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1366         {
1367                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1368                 {
1369                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1370                         sv.numsendentities++;
1371                 }
1372         }
1373 }
1374
1375 #define MAX_LINEOFSIGHTTRACES 64
1376
1377 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1378 {
1379         float pitchsign;
1380         float alpha;
1381         float starttransformed[3], endtransformed[3];
1382         int blocked = 0;
1383         int traceindex;
1384         int originalnumtouchedicts;
1385         int numtouchedicts = 0;
1386         int touchindex;
1387         matrix4x4_t matrix, imatrix;
1388         dp_model_t *model;
1389         prvm_edict_t *touch;
1390         static prvm_edict_t *touchedicts[MAX_EDICTS];
1391         vec3_t boxmins, boxmaxs;
1392         vec3_t clipboxmins, clipboxmaxs;
1393         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1394
1395         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1396
1397         // expand the box a little
1398         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1399         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1400         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1401         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1402         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1403         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1404
1405         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1406         for (traceindex = 1;traceindex < numtraces;traceindex++)
1407                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1408
1409         // calculate sweep box for the entire swarm of traces
1410         VectorCopy(eye, clipboxmins);
1411         VectorCopy(eye, clipboxmaxs);
1412         for (traceindex = 0;traceindex < numtraces;traceindex++)
1413         {
1414                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1415                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1416                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1417                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1418                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1419                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1420         }
1421
1422         // get the list of entities in the sweep box
1423         if (sv_cullentities_trace_entityocclusion.integer)
1424                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1425         if (numtouchedicts > MAX_EDICTS)
1426         {
1427                 // this never happens
1428                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1429                 numtouchedicts = MAX_EDICTS;
1430         }
1431         // iterate the entities found in the sweep box and filter them
1432         originalnumtouchedicts = numtouchedicts;
1433         numtouchedicts = 0;
1434         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1435         {
1436                 touch = touchedicts[touchindex];
1437                 if (touch->fields.server->solid != SOLID_BSP)
1438                         continue;
1439                 model = SV_GetModelFromEdict(touch);
1440                 if (!model || !model->brush.TraceLineOfSight)
1441                         continue;
1442                 // skip obviously transparent entities
1443                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1444                 if (alpha && alpha < 1)
1445                         continue;
1446                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1447                         continue;
1448                 touchedicts[numtouchedicts++] = touch;
1449         }
1450
1451         // now that we have a filtered list of "interesting" entities, fire each
1452         // ray against all of them, this gives us an early-out case when something
1453         // is visible (which it often is)
1454
1455         for (traceindex = 0;traceindex < numtraces;traceindex++)
1456         {
1457                 // check world occlusion
1458                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1459                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1460                                 continue;
1461                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1462                 {
1463                         touch = touchedicts[touchindex];
1464                         model = SV_GetModelFromEdict(touch);
1465                         if(model && model->brush.TraceLineOfSight)
1466                         {
1467                                 // get the entity matrix
1468                                 pitchsign = SV_GetPitchSign(touch);
1469                                 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);
1470                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1471                                 // see if the ray hits this entity
1472                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1473                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1474                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1475                                 {
1476                                         blocked++;
1477                                         break;
1478                                 }
1479                         }
1480                 }
1481                 // check if the ray was blocked
1482                 if (touchindex < numtouchedicts)
1483                         continue;
1484                 // return if the ray was not blocked
1485                 return true;
1486         }
1487
1488         // no rays survived
1489         return false;
1490 }
1491
1492 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1493 {
1494         int isbmodel;
1495         dp_model_t *model;
1496         prvm_edict_t *ed;
1497         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1498                 return;
1499         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1500         sv.writeentitiestoclient_stats_totalentities++;
1501
1502         if (s->customizeentityforclient)
1503         {
1504                 prog->globals.server->self = s->number;
1505                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1506                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1507                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1508                         return;
1509         }
1510
1511         // never reject player
1512         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1513         {
1514                 // check various rejection conditions
1515                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1516                         return;
1517                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1518                         return;
1519                 if (s->effects & EF_NODRAW)
1520                         return;
1521                 // LordHavoc: only send entities with a model or important effects
1522                 if (!s->modelindex && s->specialvisibilityradius == 0)
1523                         return;
1524
1525                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1526                 // viewmodels don't have visibility checking
1527                 if (s->viewmodelforclient)
1528                 {
1529                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1530                                 return;
1531                 }
1532                 else if (s->tagentity)
1533                 {
1534                         // tag attached entities simply check their parent
1535                         if (!sv.sendentitiesindex[s->tagentity])
1536                                 return;
1537                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1538                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1539                                 return;
1540                 }
1541                 // always send world submodels in newer protocols because they don't
1542                 // generate much traffic (in old protocols they hog bandwidth)
1543                 // but only if sv_cullentities_nevercullbmodels is off
1544                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1545                 {
1546                         // entity has survived every check so far, check if visible
1547                         ed = PRVM_EDICT_NUM(s->number);
1548
1549                         // if not touching a visible leaf
1550                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1551                         {
1552                                 if (ed->priv.server->pvs_numclusters < 0)
1553                                 {
1554                                         // entity too big for clusters list
1555                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1556                                         {
1557                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1558                                                 return;
1559                                         }
1560                                 }
1561                                 else
1562                                 {
1563                                         int i;
1564                                         // check cached clusters list
1565                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1566                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1567                                                         break;
1568                                         if (i == ed->priv.server->pvs_numclusters)
1569                                         {
1570                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1571                                                 return;
1572                                         }
1573                                 }
1574                         }
1575
1576                         // or not seen by random tracelines
1577                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1578                         {
1579                                 int samples =
1580                                         s->number <= svs.maxclients
1581                                                 ? sv_cullentities_trace_samples_players.integer
1582                                                 :
1583                                         s->specialvisibilityradius
1584                                                 ? sv_cullentities_trace_samples_extra.integer
1585                                                 : sv_cullentities_trace_samples.integer;
1586                                 float enlarge = sv_cullentities_trace_enlarge.value;
1587
1588                                 if(samples > 0)
1589                                 {
1590                                         int eyeindex;
1591                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1592                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1593                                                         break;
1594                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1595                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1596                                                         realtime + (
1597                                                                 s->number <= svs.maxclients
1598                                                                         ? sv_cullentities_trace_delay_players.value
1599                                                                         : sv_cullentities_trace_delay.value
1600                                                         );
1601                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1602                                         {
1603                                                 sv.writeentitiestoclient_stats_culled_trace++;
1604                                                 return;
1605                                         }
1606                                 }
1607                         }
1608                 }
1609         }
1610
1611         // this just marks it for sending
1612         // FIXME: it would be more efficient to send here, but the entity
1613         // compressor isn't that flexible
1614         sv.writeentitiestoclient_stats_visibleentities++;
1615         sv.sententities[s->number] = sv.sententitiesmark;
1616 }
1617
1618 #if MAX_LEVELNETWORKEYES > 0
1619 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1620 void SV_AddCameraEyes(void)
1621 {
1622         int e, i, j, k;
1623         prvm_edict_t *ed;
1624         static int cameras[MAX_LEVELNETWORKEYES];
1625         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1626         static int eye_levels[MAX_CLIENTNETWORKEYES];
1627         int n_cameras = 0;
1628         vec3_t mi, ma;
1629         prvm_eval_t *valendpos, *val;
1630
1631         if(!prog->fieldoffsets.camera_transform)
1632                 return;
1633         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1634         if(!valendpos)
1635                 return;
1636
1637         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1638                 eye_levels[i] = 0;
1639
1640         // check line of sight to portal entities and add them to PVS
1641         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1642         {
1643                 if (!ed->priv.server->free)
1644                 {
1645                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1646                         {
1647                                 prog->globals.server->self = e;
1648                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1649                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1650                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1651                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1652                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1653                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1654                                 {
1655                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1656                                         cameras[n_cameras] = e;
1657                                         ++n_cameras;
1658                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1659                                                 break;
1660                                 }
1661                         }
1662                 }
1663         }
1664
1665         if(!n_cameras)
1666                 return;
1667
1668         // i is loop counter, is reset to 0 when an eye got added
1669         // j is camera index to check
1670         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1671         {
1672                 if(!cameras[j])
1673                         continue;
1674                 ed = PRVM_EDICT_NUM(cameras[j]);
1675                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1676                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1677                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1678                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1679                 {
1680                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1681                         {
1682                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1683                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1684                                 // 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);
1685                                 sv.writeentitiestoclient_numeyes++;
1686                                 cameras[j] = 0;
1687                                 i = 0;
1688                                 break;
1689                         }
1690                 }
1691         }
1692 }
1693 #else
1694 void SV_AddCameraEyes(void)
1695 {
1696 }
1697 #endif
1698
1699 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1700 {
1701         qboolean need_empty = false;
1702         int i, numsendstates, numcsqcsendstates;
1703         entity_state_t *s;
1704         prvm_edict_t *camera;
1705         qboolean success;
1706         vec3_t eye;
1707
1708         // if there isn't enough space to accomplish anything, skip it
1709         if (msg->cursize + 25 > maxsize)
1710                 return;
1711
1712         sv.writeentitiestoclient_msg = msg;
1713         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1714
1715         sv.writeentitiestoclient_stats_culled_pvs = 0;
1716         sv.writeentitiestoclient_stats_culled_trace = 0;
1717         sv.writeentitiestoclient_stats_visibleentities = 0;
1718         sv.writeentitiestoclient_stats_totalentities = 0;
1719         sv.writeentitiestoclient_numeyes = 0;
1720
1721         // get eye location
1722         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1723         camera = PRVM_EDICT_NUM( client->clientcamera );
1724         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1725         sv.writeentitiestoclient_pvsbytes = 0;
1726         // get the PVS values for the eye location, later FatPVS calls will merge
1727         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1728                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1729
1730         // add the eye to a list for SV_CanSeeBox tests
1731         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1732         sv.writeentitiestoclient_numeyes++;
1733
1734         // calculate predicted eye origin for SV_CanSeeBox tests
1735         if (sv_cullentities_trace_prediction.integer)
1736         {
1737                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1738                 vec3_t predeye;
1739                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1740                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1741                 {
1742                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1743                         sv.writeentitiestoclient_numeyes++;
1744                 }
1745                 //if (!sv.writeentitiestoclient_useprediction)
1746                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1747         }
1748
1749         SV_AddCameraEyes();
1750
1751         // build PVS from the new eyes
1752         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1753                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1754                         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);
1755
1756         sv.sententitiesmark++;
1757
1758         for (i = 0;i < sv.numsendentities;i++)
1759                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1760
1761         numsendstates = 0;
1762         numcsqcsendstates = 0;
1763         for (i = 0;i < sv.numsendentities;i++)
1764         {
1765                 s = &sv.sendentities[i];
1766                 if (sv.sententities[s->number] == sv.sententitiesmark)
1767                 {
1768                         if(s->active == ACTIVE_NETWORK)
1769                         {
1770                                 if (s->exteriormodelforclient)
1771                                 {
1772                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1773                                                 s->flags |= RENDER_EXTERIORMODEL;
1774                                         else
1775                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1776                                 }
1777                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1778                         }
1779                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1780                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1781                         else
1782                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1783                 }
1784         }
1785
1786         if (sv_cullentities_stats.integer)
1787                 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);
1788
1789         if(client->entitydatabase5)
1790                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1791         else
1792                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1793
1794         if(client->num_skippedentityframes >= 10)
1795                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1796
1797         if (client->entitydatabase5)
1798                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1799         else if (client->entitydatabase4)
1800         {
1801                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1802                 Protocol_WriteStatsReliable();
1803         }
1804         else if (client->entitydatabase)
1805         {
1806                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1807                 Protocol_WriteStatsReliable();
1808         }
1809         else
1810         {
1811                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1812                 Protocol_WriteStatsReliable();
1813         }
1814
1815         if(success)
1816                 client->num_skippedentityframes = 0;
1817         else
1818                 ++client->num_skippedentityframes;
1819 }
1820
1821 /*
1822 =============
1823 SV_CleanupEnts
1824
1825 =============
1826 */
1827 static void SV_CleanupEnts (void)
1828 {
1829         int             e;
1830         prvm_edict_t    *ent;
1831
1832         ent = PRVM_NEXT_EDICT(prog->edicts);
1833         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1834                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1835 }
1836
1837 /*
1838 ==================
1839 SV_WriteClientdataToMessage
1840
1841 ==================
1842 */
1843 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1844 {
1845         int             bits;
1846         int             i;
1847         prvm_edict_t    *other;
1848         int             items;
1849         prvm_eval_t     *val;
1850         vec3_t  punchvector;
1851         int             viewzoom;
1852         const char *s;
1853         float   *statsf = (float *)stats;
1854
1855 //
1856 // send a damage message
1857 //
1858         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1859         {
1860                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1861                 MSG_WriteByte (msg, svc_damage);
1862                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1863                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1864                 for (i=0 ; i<3 ; i++)
1865                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1866
1867                 ent->fields.server->dmg_take = 0;
1868                 ent->fields.server->dmg_save = 0;
1869         }
1870
1871 //
1872 // send the current viewpos offset from the view entity
1873 //
1874         SV_SetIdealPitch ();            // how much to look up / down ideally
1875
1876 // a fixangle might get lost in a dropped packet.  Oh well.
1877         if(ent->fields.server->fixangle)
1878         {
1879                 // angle fixing was requested by global thinking code...
1880                 // so store the current angles for later use
1881                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1882                 host_client->fixangle_angles_set = TRUE;
1883
1884                 // and clear fixangle for the next frame
1885                 ent->fields.server->fixangle = 0;
1886         }
1887
1888         if (host_client->fixangle_angles_set)
1889         {
1890                 MSG_WriteByte (msg, svc_setangle);
1891                 for (i=0 ; i < 3 ; i++)
1892                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1893                 host_client->fixangle_angles_set = FALSE;
1894         }
1895
1896         // stuff the sigil bits into the high bits of items for sbar, or else
1897         // mix in items2
1898         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1899         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1900                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1901         else
1902                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1903
1904         VectorClear(punchvector);
1905         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1906                 VectorCopy(val->vector, punchvector);
1907
1908         // cache weapon model name and index in client struct to save time
1909         // (this search can be almost 1% of cpu time!)
1910         s = PRVM_GetString(ent->fields.server->weaponmodel);
1911         if (strcmp(s, client->weaponmodel))
1912         {
1913                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1914                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1915         }
1916
1917         viewzoom = 255;
1918         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1919                 viewzoom = (int)(val->_float * 255.0f);
1920         if (viewzoom == 0)
1921                 viewzoom = 255;
1922
1923         bits = 0;
1924
1925         if ((int)ent->fields.server->flags & FL_ONGROUND)
1926                 bits |= SU_ONGROUND;
1927         if (ent->fields.server->waterlevel >= 2)
1928                 bits |= SU_INWATER;
1929         if (ent->fields.server->idealpitch)
1930                 bits |= SU_IDEALPITCH;
1931
1932         for (i=0 ; i<3 ; i++)
1933         {
1934                 if (ent->fields.server->punchangle[i])
1935                         bits |= (SU_PUNCH1<<i);
1936                 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)
1937                         if (punchvector[i])
1938                                 bits |= (SU_PUNCHVEC1<<i);
1939                 if (ent->fields.server->velocity[i])
1940                         bits |= (SU_VELOCITY1<<i);
1941         }
1942
1943         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1944         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1945         stats[STAT_ITEMS] = items;
1946         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1947         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1948         stats[STAT_WEAPON] = client->weaponmodelindex;
1949         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1950         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1951         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1952         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1953         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1954         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1955         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1956         stats[STAT_VIEWZOOM] = viewzoom;
1957         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1958         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1959         // the QC bumps these itself by sending svc_'s, so we have to keep them
1960         // zero or they'll be corrected by the engine
1961         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1962         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1963
1964         // movement settings for prediction
1965         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1966         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1967                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1968                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1969                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1970         ;
1971         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1972         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1973         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1974         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1975         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1976         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1977         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1978         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1979         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1980         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1981         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1982         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1983         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1984         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1985         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1986         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1987         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1988         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1989         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1990         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1991         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1992         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1993         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1994         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1995         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1996         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
1997         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1998         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1999         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2000         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2001         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2002         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2003         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2004         statsf[STAT_TIMELIMIT] = timelimit.value;
2005
2006         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)
2007         {
2008                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2009                 bits |= SU_ITEMS;
2010                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2011                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2012                 bits |= SU_WEAPON;
2013                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2014                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2015                         if (viewzoom != 255)
2016                                 bits |= SU_VIEWZOOM;
2017         }
2018
2019         if (bits >= 65536)
2020                 bits |= SU_EXTEND1;
2021         if (bits >= 16777216)
2022                 bits |= SU_EXTEND2;
2023
2024         // send the data
2025         MSG_WriteByte (msg, svc_clientdata);
2026         MSG_WriteShort (msg, bits);
2027         if (bits & SU_EXTEND1)
2028                 MSG_WriteByte(msg, bits >> 16);
2029         if (bits & SU_EXTEND2)
2030                 MSG_WriteByte(msg, bits >> 24);
2031
2032         if (bits & SU_VIEWHEIGHT)
2033                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2034
2035         if (bits & SU_IDEALPITCH)
2036                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2037
2038         for (i=0 ; i<3 ; i++)
2039         {
2040                 if (bits & (SU_PUNCH1<<i))
2041                 {
2042                         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)
2043                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2044                         else
2045                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2046                 }
2047                 if (bits & (SU_PUNCHVEC1<<i))
2048                 {
2049                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2050                                 MSG_WriteCoord16i(msg, punchvector[i]);
2051                         else
2052                                 MSG_WriteCoord32f(msg, punchvector[i]);
2053                 }
2054                 if (bits & (SU_VELOCITY1<<i))
2055                 {
2056                         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)
2057                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2058                         else
2059                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2060                 }
2061         }
2062
2063         if (bits & SU_ITEMS)
2064                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2065
2066         if (sv.protocol == PROTOCOL_DARKPLACES5)
2067         {
2068                 if (bits & SU_WEAPONFRAME)
2069                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2070                 if (bits & SU_ARMOR)
2071                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2072                 if (bits & SU_WEAPON)
2073                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2074                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2075                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2076                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2077                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2078                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2079                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2080                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2081                 if (bits & SU_VIEWZOOM)
2082                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2083         }
2084         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)
2085         {
2086                 if (bits & SU_WEAPONFRAME)
2087                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2088                 if (bits & SU_ARMOR)
2089                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2090                 if (bits & SU_WEAPON)
2091                 {
2092                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2093                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2094                         else
2095                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2096                 }
2097                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2098                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2099                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2100                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2101                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2102                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2103                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2104                 {
2105                         for (i = 0;i < 32;i++)
2106                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2107                                         break;
2108                         MSG_WriteByte (msg, i);
2109                 }
2110                 else
2111                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2112                 if (bits & SU_VIEWZOOM)
2113                 {
2114                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2115                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2116                         else
2117                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2118                 }
2119         }
2120 }
2121
2122 void SV_FlushBroadcastMessages(void)
2123 {
2124         int i;
2125         client_t *client;
2126         if (sv.datagram.cursize <= 0)
2127                 return;
2128         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2129         {
2130                 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])))
2131                         continue;
2132                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2133                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2134         }
2135         SZ_Clear(&sv.datagram);
2136 }
2137
2138 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2139 {
2140         // scan the splitpoints to find out how many we can fit in
2141         int numsegments, j, split;
2142         if (!client->unreliablemsg_splitpoints)
2143                 return;
2144         // always accept the first one if it's within 1024 bytes, this ensures
2145         // that very big datagrams which are over the rate limit still get
2146         // through, just to keep it working
2147         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2148                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2149                         break;
2150         // the first segment gets an exemption from the rate limiting, otherwise
2151         // it could get dropped consistently due to a low rate limit
2152         if (numsegments == 1)
2153                 maxsize = maxsize2;
2154         // some will fit, so add the ones that will fit
2155         split = client->unreliablemsg_splitpoint[numsegments-1];
2156         // note this discards ones that were accepted by the segments scan but
2157         // can not fit, such as a really huge first one that will never ever
2158         // fit in a packet...
2159         if (msg->cursize + split <= maxsize)
2160                 SZ_Write(msg, client->unreliablemsg.data, split);
2161         // remove the part we sent, keeping any remaining data
2162         client->unreliablemsg.cursize -= split;
2163         if (client->unreliablemsg.cursize > 0)
2164                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2165         // adjust remaining splitpoints
2166         client->unreliablemsg_splitpoints -= numsegments;
2167         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2168                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2169 }
2170
2171 /*
2172 =======================
2173 SV_SendClientDatagram
2174 =======================
2175 */
2176 static void SV_SendClientDatagram (client_t *client)
2177 {
2178         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2179         sizebuf_t msg;
2180         int stats[MAX_CL_STATS];
2181         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2182
2183         // obey rate limit by limiting packet frequency if the packet size
2184         // limiting fails
2185         // (usually this is caused by reliable messages)
2186         if (!NetConn_CanSend(client->netconnection))
2187                 return;
2188
2189         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2190         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2191         if (sv_maxrate.integer != maxrate)
2192                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2193
2194         // clientrate determines the 'cleartime' of a packet
2195         // (how long to wait before sending another, based on this packet's size)
2196         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2197
2198         switch (sv.protocol)
2199         {
2200         case PROTOCOL_QUAKE:
2201         case PROTOCOL_QUAKEDP:
2202         case PROTOCOL_NEHAHRAMOVIE:
2203         case PROTOCOL_NEHAHRABJP:
2204         case PROTOCOL_NEHAHRABJP2:
2205         case PROTOCOL_NEHAHRABJP3:
2206         case PROTOCOL_QUAKEWORLD:
2207                 // no packet size limit support on Quake protocols because it just
2208                 // causes missing entities/effects
2209                 // packets are simply sent less often to obey the rate limit
2210                 maxsize = 1024;
2211                 maxsize2 = 1024;
2212                 break;
2213         case PROTOCOL_DARKPLACES1:
2214         case PROTOCOL_DARKPLACES2:
2215         case PROTOCOL_DARKPLACES3:
2216         case PROTOCOL_DARKPLACES4:
2217                 // no packet size limit support on DP1-4 protocols because they kick
2218                 // the client off if they overflow, and miss effects
2219                 // packets are simply sent less often to obey the rate limit
2220                 maxsize = sizeof(sv_sendclientdatagram_buf);
2221                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2222                 break;
2223         default:
2224                 // DP5 and later protocols support packet size limiting which is a
2225                 // better method than limiting packet frequency as QW does
2226                 //
2227                 // at very low rates (or very small sys_ticrate) the packet size is
2228                 // not reduced below 128, but packets may be sent less often
2229                 maxsize = (int)(clientrate * sys_ticrate.value);
2230                 maxsize = bound(128, maxsize, 1400);
2231                 maxsize2 = 1400;
2232                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2233                 // mods that use csqc (they are likely to use less bandwidth anyway)
2234                 if (sv.csqc_progsize > 0)
2235                         maxsize = maxsize2;
2236                 break;
2237         }
2238
2239         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2240         {
2241                 // for good singleplayer, send huge packets
2242                 maxsize = sizeof(sv_sendclientdatagram_buf);
2243                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2244                 // never limit frequency in singleplayer
2245                 clientrate = 1000000000;
2246         }
2247
2248         // while downloading, limit entity updates to half the packet
2249         // (any leftover space will be used for downloading)
2250         if (host_client->download_file)
2251                 maxsize /= 2;
2252
2253         msg.data = sv_sendclientdatagram_buf;
2254         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2255         msg.cursize = 0;
2256         msg.allowoverflow = false;
2257
2258         if (host_client->spawned)
2259         {
2260                 // the player is in the game
2261                 MSG_WriteByte (&msg, svc_time);
2262                 MSG_WriteFloat (&msg, sv.time);
2263
2264                 // add the client specific data to the datagram
2265                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2266                 // now update the stats[] array using any registered custom fields
2267                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2268                 // set host_client->statsdeltabits
2269                 Protocol_UpdateClientStats (stats);
2270
2271                 // add as many queued unreliable messages (effects) as we can fit
2272                 // limit effects to half of the remaining space
2273                 if (client->unreliablemsg.cursize)
2274                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2275
2276                 // now write as many entities as we can fit, and also sends stats
2277                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2278         }
2279         else if (realtime > client->keepalivetime)
2280         {
2281                 // the player isn't totally in the game yet
2282                 // send small keepalive messages if too much time has passed
2283                 // (may also be sending downloads)
2284                 client->keepalivetime = realtime + 5;
2285                 MSG_WriteChar (&msg, svc_nop);
2286         }
2287
2288         // if a download is active, see if there is room to fit some download data
2289         // in this packet
2290         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2291         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2292         {
2293                 fs_offset_t downloadstart;
2294                 unsigned char data[1400];
2295                 downloadstart = FS_Tell(host_client->download_file);
2296                 downloadsize = min(downloadsize, (int)sizeof(data));
2297                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2298                 // note this sends empty messages if at the end of the file, which is
2299                 // necessary to keep the packet loss logic working
2300                 // (the last blocks may be lost and need to be re-sent, and that will
2301                 //  only occur if the client acks the empty end messages, revealing
2302                 //  a gap in the download progress, causing the last blocks to be
2303                 //  sent again)
2304                 MSG_WriteChar (&msg, svc_downloaddata);
2305                 MSG_WriteLong (&msg, downloadstart);
2306                 MSG_WriteShort (&msg, downloadsize);
2307                 if (downloadsize > 0)
2308                         SZ_Write (&msg, data, downloadsize);
2309         }
2310
2311         // reliable only if none is in progress
2312         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2313                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2314         // unreliable
2315         SV_WriteDemoMessage(client, &msg, false);
2316
2317 // send the datagram
2318         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2319         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2320                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2321 }
2322
2323 /*
2324 =======================
2325 SV_UpdateToReliableMessages
2326 =======================
2327 */
2328 static void SV_UpdateToReliableMessages (void)
2329 {
2330         int i, j;
2331         client_t *client;
2332         prvm_eval_t *val;
2333         const char *name;
2334         const char *model;
2335         const char *skin;
2336
2337 // check for changes to be sent over the reliable streams
2338         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2339         {
2340                 // update the host_client fields we care about according to the entity fields
2341                 host_client->edict = PRVM_EDICT_NUM(i+1);
2342
2343                 // DP_SV_CLIENTNAME
2344                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2345                 if (name == NULL)
2346                         name = "";
2347                 // always point the string back at host_client->name to keep it safe
2348                 strlcpy (host_client->name, name, sizeof (host_client->name));
2349                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2350                 if (strcmp(host_client->old_name, host_client->name))
2351                 {
2352                         if (host_client->spawned)
2353                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2354                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2355                         // send notification to all clients
2356                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2357                         MSG_WriteByte (&sv.reliable_datagram, i);
2358                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2359                         SV_WriteNetnameIntoDemo(host_client);
2360                 }
2361
2362                 // DP_SV_CLIENTCOLORS
2363                 // this is always found (since it's added by the progs loader)
2364                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2365                         host_client->colors = (int)val->_float;
2366                 if (host_client->old_colors != host_client->colors)
2367                 {
2368                         host_client->old_colors = host_client->colors;
2369                         // send notification to all clients
2370                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2371                         MSG_WriteByte (&sv.reliable_datagram, i);
2372                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2373                 }
2374
2375                 // NEXUIZ_PLAYERMODEL
2376                 if( prog->fieldoffsets.playermodel >= 0 ) {
2377                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2378                         if (model == NULL)
2379                                 model = "";
2380                         // always point the string back at host_client->name to keep it safe
2381                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2382                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2383                 }
2384
2385                 // NEXUIZ_PLAYERSKIN
2386                 if( prog->fieldoffsets.playerskin >= 0 ) {
2387                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2388                         if (skin == NULL)
2389                                 skin = "";
2390                         // always point the string back at host_client->name to keep it safe
2391                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2392                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2393                 }
2394
2395                 // TODO: add an extension name for this [1/17/2008 Black]
2396                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2397                         int oldclientcamera = host_client->clientcamera;
2398                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2399                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2400                         } else {
2401                                 host_client->clientcamera = val->edict;
2402                         }
2403
2404                         if( oldclientcamera != host_client->clientcamera ) {
2405                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2406                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2407                         }
2408                 }
2409
2410                 // frags
2411                 host_client->frags = (int)host_client->edict->fields.server->frags;
2412                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2413                         if(!host_client->spawned && host_client->netconnection)
2414                                 host_client->frags = -666;
2415                 if (host_client->old_frags != host_client->frags)
2416                 {
2417                         host_client->old_frags = host_client->frags;
2418                         // send notification to all clients
2419                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2420                         MSG_WriteByte (&sv.reliable_datagram, i);
2421                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2422                 }
2423         }
2424
2425         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2426                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2427                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2428
2429         SZ_Clear (&sv.reliable_datagram);
2430 }
2431
2432
2433 /*
2434 =======================
2435 SV_SendClientMessages
2436 =======================
2437 */
2438 void SV_SendClientMessages (void)
2439 {
2440         int i, prepared = false;
2441
2442         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2443                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2444
2445         SV_FlushBroadcastMessages();
2446
2447 // update frags, names, etc
2448         SV_UpdateToReliableMessages();
2449
2450 // build individual updates
2451         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2452         {
2453                 if (!host_client->active)
2454                         continue;
2455                 if (!host_client->netconnection)
2456                         continue;
2457
2458                 if (host_client->netconnection->message.overflowed)
2459                 {
2460                         SV_DropClient (true);   // if the message couldn't send, kick off
2461                         continue;
2462                 }
2463
2464                 if (!prepared)
2465                 {
2466                         prepared = true;
2467                         // only prepare entities once per frame
2468                         SV_PrepareEntitiesForSending();
2469                 }
2470                 SV_SendClientDatagram (host_client);
2471         }
2472
2473 // clear muzzle flashes
2474         SV_CleanupEnts();
2475 }
2476
2477 static void SV_StartDownload_f(void)
2478 {
2479         if (host_client->download_file)
2480                 host_client->download_started = true;
2481 }
2482
2483 /*
2484  * Compression extension negotiation:
2485  *
2486  * Server to client:
2487  *   cl_serverextension_download 2
2488  *
2489  * Client to server:
2490  *   download <filename> <list of zero or more suppported compressions in order of preference>
2491  * e.g.
2492  *   download maps/map1.bsp lzo deflate huffman
2493  *
2494  * Server to client:
2495  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2496  * e.g.
2497  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2498  *
2499  * The server may choose not to compress the file by sending no compression name, like:
2500  *   cl_downloadbegin 345678 maps/map1.bsp
2501  *
2502  * NOTE: the "download" command may only specify compression algorithms if
2503  *       cl_serverextension_download is 2!
2504  *       If cl_serverextension_download has a different value, the client must
2505  *       assume this extension is not supported!
2506  */
2507
2508 static void Download_CheckExtensions(void)
2509 {
2510         int i;
2511         int argc = Cmd_Argc();
2512
2513         // first reset them all
2514         host_client->download_deflate = false;
2515         
2516         for(i = 2; i < argc; ++i)
2517         {
2518                 if(!strcmp(Cmd_Argv(i), "deflate"))
2519                 {
2520                         host_client->download_deflate = true;
2521                         break;
2522                 }
2523         }
2524 }
2525
2526 static void SV_Download_f(void)
2527 {
2528         const char *whichpack, *whichpack2, *extension;
2529         qboolean is_csqc; // so we need to check only once
2530
2531         if (Cmd_Argc() < 2)
2532         {
2533                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2534                 SV_ClientPrintf("       supported extensions: deflate\n");
2535                 return;
2536         }
2537
2538         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2539         {
2540                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2541                 return;
2542         }
2543
2544         if (host_client->download_file)
2545         {
2546                 // at this point we'll assume the previous download should be aborted
2547                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2548                 Host_ClientCommands("\nstopdownload\n");
2549
2550                 // close the file and reset variables
2551                 FS_Close(host_client->download_file);
2552                 host_client->download_file = NULL;
2553                 host_client->download_name[0] = 0;
2554                 host_client->download_expectedposition = 0;
2555                 host_client->download_started = false;
2556         }
2557
2558         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2559         
2560         if (!sv_allowdownloads.integer && !is_csqc)
2561         {
2562                 SV_ClientPrintf("Downloads are disabled on this server\n");
2563                 Host_ClientCommands("\nstopdownload\n");
2564                 return;
2565         }
2566
2567         Download_CheckExtensions();
2568
2569         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2570         extension = FS_FileExtension(host_client->download_name);
2571
2572         // host_client is asking to download a specified file
2573         if (developer_extra.integer)
2574                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2575
2576         if(is_csqc)
2577         {
2578                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2579                 extensions[0] = '\0';
2580                 
2581                 if(host_client->download_deflate)
2582                         strlcat(extensions, " deflate", sizeof(extensions));
2583                 
2584                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2585
2586                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2587                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2588                 else
2589                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2590                 
2591                 // no, no space is needed between %s and %s :P
2592                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2593
2594                 host_client->download_expectedposition = 0;
2595                 host_client->download_started = false;
2596                 host_client->sendsignon = true; // make sure this message is sent
2597                 return;
2598         }
2599
2600         if (!FS_FileExists(host_client->download_name))
2601         {
2602                 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);
2603                 Host_ClientCommands("\nstopdownload\n");
2604                 return;
2605         }
2606
2607         // check if the user is trying to download part of registered Quake(r)
2608         whichpack = FS_WhichPack(host_client->download_name);
2609         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2610         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2611         {
2612                 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);
2613                 Host_ClientCommands("\nstopdownload\n");
2614                 return;
2615         }
2616
2617         // check if the server has forbidden archive downloads entirely
2618         if (!sv_allowdownloads_inarchive.integer)
2619         {
2620                 whichpack = FS_WhichPack(host_client->download_name);
2621                 if (whichpack)
2622                 {
2623                         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);
2624                         Host_ClientCommands("\nstopdownload\n");
2625                         return;
2626                 }
2627         }
2628
2629         if (!sv_allowdownloads_config.integer)
2630         {
2631                 if (!strcasecmp(extension, "cfg"))
2632                 {
2633                         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);
2634                         Host_ClientCommands("\nstopdownload\n");
2635                         return;
2636                 }
2637         }
2638
2639         if (!sv_allowdownloads_dlcache.integer)
2640         {
2641                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2642                 {
2643                         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);
2644                         Host_ClientCommands("\nstopdownload\n");
2645                         return;
2646                 }
2647         }
2648
2649         if (!sv_allowdownloads_archive.integer)
2650         {
2651                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2652                 {
2653                         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);
2654                         Host_ClientCommands("\nstopdownload\n");
2655                         return;
2656                 }
2657         }
2658
2659         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2660         if (!host_client->download_file)
2661         {
2662                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2663                 Host_ClientCommands("\nstopdownload\n");
2664                 return;
2665         }
2666
2667         if (FS_FileSize(host_client->download_file) > 1<<30)
2668         {
2669                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2670                 Host_ClientCommands("\nstopdownload\n");
2671                 FS_Close(host_client->download_file);
2672                 host_client->download_file = NULL;
2673                 return;
2674         }
2675
2676         if (FS_FileSize(host_client->download_file) < 0)
2677         {
2678                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2679                 Host_ClientCommands("\nstopdownload\n");
2680                 FS_Close(host_client->download_file);
2681                 host_client->download_file = NULL;
2682                 return;
2683         }
2684
2685         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2686
2687         /*
2688          * we can only do this if we would actually deflate on the fly
2689          * which we do not (yet)!
2690         {
2691                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2692                 extensions[0] = '\0';
2693                 
2694                 if(host_client->download_deflate)
2695                         strlcat(extensions, " deflate", sizeof(extensions));
2696
2697                 // no, no space is needed between %s and %s :P
2698                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2699         }
2700         */
2701         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2702
2703         host_client->download_expectedposition = 0;
2704         host_client->download_started = false;
2705         host_client->sendsignon = true; // make sure this message is sent
2706
2707         // the rest of the download process is handled in SV_SendClientDatagram
2708         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2709         //
2710         // no svc_downloaddata messages will be sent until sv_startdownload is
2711         // sent by the client
2712 }
2713
2714 /*
2715 ==============================================================================
2716
2717 SERVER SPAWNING
2718
2719 ==============================================================================
2720 */
2721
2722 /*
2723 ================
2724 SV_ModelIndex
2725
2726 ================
2727 */
2728 int SV_ModelIndex(const char *s, int precachemode)
2729 {
2730         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);
2731         char filename[MAX_QPATH];
2732         if (!s || !*s)
2733                 return 0;
2734         // testing
2735         //if (precachemode == 2)
2736         //      return 0;
2737         strlcpy(filename, s, sizeof(filename));
2738         for (i = 2;i < limit;i++)
2739         {
2740                 if (!sv.model_precache[i][0])
2741                 {
2742                         if (precachemode)
2743                         {
2744                                 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))
2745                                 {
2746                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2747                                         return 0;
2748                                 }
2749                                 if (precachemode == 1)
2750                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2751                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2752                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2753                                 if (sv.state != ss_loading)
2754                                 {
2755                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2756                                         MSG_WriteShort(&sv.reliable_datagram, i);
2757                                         MSG_WriteString(&sv.reliable_datagram, filename);
2758                                 }
2759                                 return i;
2760                         }
2761                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2762                         return 0;
2763                 }
2764                 if (!strcmp(sv.model_precache[i], filename))
2765                         return i;
2766         }
2767         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2768         return 0;
2769 }
2770
2771 /*
2772 ================
2773 SV_SoundIndex
2774
2775 ================
2776 */
2777 int SV_SoundIndex(const char *s, int precachemode)
2778 {
2779         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);
2780         char filename[MAX_QPATH];
2781         if (!s || !*s)
2782                 return 0;
2783         // testing
2784         //if (precachemode == 2)
2785         //      return 0;
2786         strlcpy(filename, s, sizeof(filename));
2787         for (i = 1;i < limit;i++)
2788         {
2789                 if (!sv.sound_precache[i][0])
2790                 {
2791                         if (precachemode)
2792                         {
2793                                 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))
2794                                 {
2795                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2796                                         return 0;
2797                                 }
2798                                 if (precachemode == 1)
2799                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2800                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2801                                 if (sv.state != ss_loading)
2802                                 {
2803                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2804                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2805                                         MSG_WriteString(&sv.reliable_datagram, filename);
2806                                 }
2807                                 return i;
2808                         }
2809                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2810                         return 0;
2811                 }
2812                 if (!strcmp(sv.sound_precache[i], filename))
2813                         return i;
2814         }
2815         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2816         return 0;
2817 }
2818
2819 /*
2820 ================
2821 SV_ParticleEffectIndex
2822
2823 ================
2824 */
2825 int SV_ParticleEffectIndex(const char *name)
2826 {
2827         int i, argc, linenumber, effectnameindex;
2828         int filepass;
2829         fs_offset_t filesize;
2830         unsigned char *filedata;
2831         const char *text;
2832         const char *textstart;
2833         //const char *textend;
2834         char argv[16][1024];
2835         char filename[MAX_QPATH];
2836         if (!sv.particleeffectnamesloaded)
2837         {
2838                 sv.particleeffectnamesloaded = true;
2839                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2840                 for (i = 0;i < EFFECT_TOTAL;i++)
2841                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2842                 for (filepass = 0;;filepass++)
2843                 {
2844                         if (filepass == 0)
2845                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2846                         else if (filepass == 1)
2847                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2848                         else
2849                                 break;
2850                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2851                         if (!filedata)
2852                                 continue;
2853                         textstart = (const char *)filedata;
2854                         //textend = (const char *)filedata + filesize;
2855                         text = textstart;
2856                         for (linenumber = 1;;linenumber++)
2857                         {
2858                                 argc = 0;
2859                                 for (;;)
2860                                 {
2861                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2862                                                 break;
2863                                         if (argc < 16)
2864                                         {
2865                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2866                                                 argc++;
2867                                         }
2868                                 }
2869                                 if (com_token[0] == 0)
2870                                         break; // if the loop exited and it's not a \n, it's EOF
2871                                 if (argc < 1)
2872                                         continue;
2873                                 if (!strcmp(argv[0], "effect"))
2874                                 {
2875                                         if (argc == 2)
2876                                         {
2877                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2878                                                 {
2879                                                         if (sv.particleeffectname[effectnameindex][0])
2880                                                         {
2881                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2882                                                                         break;
2883                                                         }
2884                                                         else
2885                                                         {
2886                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2887                                                                 break;
2888                                                         }
2889                                                 }
2890                                                 // if we run out of names, abort
2891                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2892                                                 {
2893                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2894                                                         break;
2895                                                 }
2896                                         }
2897                                 }
2898                         }
2899                         Mem_Free(filedata);
2900                 }
2901         }
2902         // search for the name
2903         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2904                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2905                         return effectnameindex;
2906         // return 0 if we couldn't find it
2907         return 0;
2908 }
2909
2910 dp_model_t *SV_GetModelByIndex(int modelindex)
2911 {
2912         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2913 }
2914
2915 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2916 {
2917         int modelindex;
2918         if (!ed || ed->priv.server->free)
2919                 return NULL;
2920         modelindex = (int)ed->fields.server->modelindex;
2921         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2922 }
2923
2924 /*
2925 ================
2926 SV_CreateBaseline
2927
2928 ================
2929 */
2930 static void SV_CreateBaseline (void)
2931 {
2932         int i, entnum, large;
2933         prvm_edict_t *svent;
2934
2935         // LordHavoc: clear *all* states (note just active ones)
2936         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2937         {
2938                 // get the current server version
2939                 svent = PRVM_EDICT_NUM(entnum);
2940
2941                 // LordHavoc: always clear state values, whether the entity is in use or not
2942                 svent->priv.server->baseline = defaultstate;
2943
2944                 if (svent->priv.server->free)
2945                         continue;
2946                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2947                         continue;
2948
2949                 // create entity baseline
2950                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2951                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2952                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2953                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2954                 if (entnum > 0 && entnum <= svs.maxclients)
2955                 {
2956                         svent->priv.server->baseline.colormap = entnum;
2957                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2958                 }
2959                 else
2960                 {
2961                         svent->priv.server->baseline.colormap = 0;
2962                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2963                 }
2964
2965                 large = false;
2966                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2967                 {
2968                         large = true;
2969                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2970                                 large = false;
2971                 }
2972
2973                 // add to the message
2974                 if (large)
2975                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2976                 else
2977                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2978                 MSG_WriteShort (&sv.signon, entnum);
2979
2980                 if (large)
2981                 {
2982                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2983                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2984                 }
2985                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2986                 {
2987                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2988                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2989                 }
2990                 else
2991                 {
2992                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2993                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2994                 }
2995                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2996                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2997                 for (i=0 ; i<3 ; i++)
2998                 {
2999                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3000                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3001                 }
3002         }
3003 }
3004
3005 /*
3006 ================
3007 SV_Prepare_CSQC
3008
3009 Load csprogs.dat and comperss it so it doesn't need to be
3010 reloaded on request.
3011 ================
3012 */
3013 void SV_Prepare_CSQC(void)
3014 {
3015         fs_offset_t progsize;
3016
3017         if(svs.csqc_progdata)
3018         {
3019                 Con_DPrintf("Unloading old CSQC data.\n");
3020                 Mem_Free(svs.csqc_progdata);
3021                 if(svs.csqc_progdata_deflated)
3022                         Mem_Free(svs.csqc_progdata_deflated);
3023         }
3024
3025         svs.csqc_progdata = NULL;
3026         svs.csqc_progdata_deflated = NULL;
3027         
3028         sv.csqc_progname[0] = 0;
3029         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3030
3031         if(progsize > 0)
3032         {
3033                 size_t deflated_size;
3034
3035                 sv.csqc_progsize = (int)progsize;
3036                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3037                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3038                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3039
3040                 Con_DPrint("Compressing csprogs.dat\n");
3041                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3042                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3043                 svs.csqc_progsize_deflated = (int)deflated_size;
3044                 if(svs.csqc_progdata_deflated)
3045                 {
3046                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3047                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3048                 }
3049                 else
3050                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3051         }
3052 }
3053
3054 /*
3055 ================
3056 SV_SaveSpawnparms
3057
3058 Grabs the current state of each client for saving across the
3059 transition to another level
3060 ================
3061 */
3062 void SV_SaveSpawnparms (void)
3063 {
3064         int             i, j;
3065
3066         svs.serverflags = (int)prog->globals.server->serverflags;
3067
3068         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3069         {
3070                 if (!host_client->active)
3071                         continue;
3072
3073         // call the progs to get default spawn parms for the new client
3074                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3075                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3076                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3077                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3078         }
3079 }
3080
3081 /*
3082 ================
3083 SV_SpawnServer
3084
3085 This is called at the start of each level
3086 ================
3087 */
3088
3089 void SV_SpawnServer (const char *server)
3090 {
3091         prvm_edict_t *ent;
3092         int i;
3093         char *entities;
3094         dp_model_t *worldmodel;
3095         char modelname[sizeof(sv.worldname)];
3096
3097         Con_DPrintf("SpawnServer: %s\n", server);
3098
3099         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3100
3101         if (!FS_FileExists(modelname))
3102         {
3103                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3104                 if (!FS_FileExists(modelname))
3105                 {
3106                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3107                         return;
3108                 }
3109         }
3110
3111         if (cls.state != ca_dedicated)