hopefully fix a race condition in S_StartSound
[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 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)"};
37 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)"};
38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
43 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)"};
44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
45 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)"};
46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
47
48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
49 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"};
50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
52 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"};
53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
63 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"};
64 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"};
65 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)"};
66 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)"};
67 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)"};
68 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!)"};
69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
71 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"};
72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
73 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"};
74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
76 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
77 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
78 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
79 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"};
80 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"};
81 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
82 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
83 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)"};
84 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)"};
85 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)"};
86 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
87 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
88 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"};
89 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "1", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
90 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"};
91 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)"};
92 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"};
93 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)"};
94 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"};
95 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
96 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
97 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"};
98 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"};
99 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)"};
100 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)"};
101 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
102 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
103 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"};
104 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"};
105 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)"};
106 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)"};
107 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"};
108 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"};
109 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)"};
110 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
111 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
112 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
113 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
114 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)"};
115 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
116 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
117 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
118 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
119 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
120 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
121 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
122 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
123 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"};
124 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)"};
125 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)"};
126 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)"};
127 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
128 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
129 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
130 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"};
131 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"};
132 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
133 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)"};
134 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
135 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)"};
136 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"};
137 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
138 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"};
139 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"};
140 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
141
142 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
143 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
144 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
145 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
146 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
147 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
148 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
149 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
150 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
151 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)"};
152
153 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
154 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
155 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
156 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
157 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
158 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
159 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
160 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
161 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
162 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
163 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
174
175 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)"};
176 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)" };
177
178 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
179
180 server_t sv;
181 server_static_t svs;
182
183 mempool_t *sv_mempool = NULL;
184
185 extern cvar_t slowmo;
186 extern float            scr_centertime_off;
187
188 // MUST match effectnameindex_t in client.h
189 static const char *standardeffectnames[EFFECT_TOTAL] =
190 {
191         "",
192         "TE_GUNSHOT",
193         "TE_GUNSHOTQUAD",
194         "TE_SPIKE",
195         "TE_SPIKEQUAD",
196         "TE_SUPERSPIKE",
197         "TE_SUPERSPIKEQUAD",
198         "TE_WIZSPIKE",
199         "TE_KNIGHTSPIKE",
200         "TE_EXPLOSION",
201         "TE_EXPLOSIONQUAD",
202         "TE_TAREXPLOSION",
203         "TE_TELEPORT",
204         "TE_LAVASPLASH",
205         "TE_SMALLFLASH",
206         "TE_FLAMEJET",
207         "EF_FLAME",
208         "TE_BLOOD",
209         "TE_SPARK",
210         "TE_PLASMABURN",
211         "TE_TEI_G3",
212         "TE_TEI_SMOKE",
213         "TE_TEI_BIGEXPLOSION",
214         "TE_TEI_PLASMAHIT",
215         "EF_STARDUST",
216         "TR_ROCKET",
217         "TR_GRENADE",
218         "TR_BLOOD",
219         "TR_WIZSPIKE",
220         "TR_SLIGHTBLOOD",
221         "TR_KNIGHTSPIKE",
222         "TR_VORESPIKE",
223         "TR_NEHAHRASMOKE",
224         "TR_NEXUIZPLASMA",
225         "TR_GLOWTRAIL",
226         "SVC_PARTICLE"
227 };
228
229 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
230
231 prvm_required_field_t reqfields[] =
232 {
233         {ev_entity, "cursor_trace_ent"},
234         {ev_entity, "drawonlytoclient"},
235         {ev_entity, "exteriormodeltoclient"},
236         {ev_entity, "nodrawtoclient"},
237         {ev_entity, "tag_entity"},
238         {ev_entity, "viewmodelforclient"},
239         {ev_float, "SendFlags"},
240         {ev_float, "Version"},
241         {ev_float, "alpha"},
242         {ev_float, "ammo_cells1"},
243         {ev_float, "ammo_lava_nails"},
244         {ev_float, "ammo_multi_rockets"},
245         {ev_float, "ammo_nails1"},
246         {ev_float, "ammo_plasma"},
247         {ev_float, "ammo_rockets1"},
248         {ev_float, "ammo_shells1"},
249         {ev_float, "button3"},
250         {ev_float, "button4"},
251         {ev_float, "button5"},
252         {ev_float, "button6"},
253         {ev_float, "button7"},
254         {ev_float, "button8"},
255         {ev_float, "button9"},
256         {ev_float, "button10"},
257         {ev_float, "button11"},
258         {ev_float, "button12"},
259         {ev_float, "button13"},
260         {ev_float, "button14"},
261         {ev_float, "button15"},
262         {ev_float, "button16"},
263         {ev_float, "buttonchat"},
264         {ev_float, "buttonuse"},
265         {ev_float, "clientcolors"},
266         {ev_float, "cursor_active"},
267         {ev_float, "disableclientprediction"},
268         {ev_float, "fullbright"},
269         {ev_float, "glow_color"},
270         {ev_float, "glow_size"},
271         {ev_float, "glow_trail"},
272         {ev_float, "gravity"},
273         {ev_float, "idealpitch"},
274         {ev_float, "items2"},
275         {ev_float, "light_lev"},
276         {ev_float, "modelflags"},
277         {ev_float, "pflags"},
278         {ev_float, "ping"},
279         {ev_float, "pitch_speed"},
280         {ev_float, "pmodel"},
281         {ev_float, "renderamt"}, // HalfLife support
282         {ev_float, "rendermode"}, // HalfLife support
283         {ev_float, "scale"},
284         {ev_float, "style"},
285         {ev_float, "tag_index"},
286         {ev_float, "viewzoom"},
287         {ev_function, "SendEntity"},
288         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
289         {ev_function, "customizeentityforclient"},
290         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
291         {ev_string, "netaddress"},
292         {ev_string, "playermodel"},
293         {ev_string, "playerskin"},
294         {ev_vector, "color"},
295         {ev_vector, "colormod"},
296         {ev_vector, "cursor_screen"},
297         {ev_vector, "cursor_trace_endpos"},
298         {ev_vector, "cursor_trace_start"},
299         {ev_vector, "glowmod"},
300         {ev_vector, "movement"},
301         {ev_vector, "punchvector"},
302
303         // physics
304         //{ev_float, "solid"},
305         //{ev_float, "movetype"},
306         //{ev_float, "modelindex"},
307         {ev_vector, "mass"},
308         //{ev_vector, "origin"},
309         //{ev_vector, "velocity"},
310         //{ev_vector, "axis_forward"},
311         //{ev_vector, "axis_left"},
312         //{ev_vector, "axis_up"},
313         //{ev_vector, "spinvelocity"},
314         //{ev_vector, "angles"},
315         //{ev_vector, "avelocity"},
316
317 };
318
319
320
321 //============================================================================
322
323 void SV_AreaStats_f(void)
324 {
325         World_PrintAreaStats(&sv.world, "server");
326 }
327
328 /*
329 ===============
330 SV_Init
331 ===============
332 */
333 void SV_Init (void)
334 {
335         // init the csqc progs cvars, since they are updated/used by the server code
336         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
337         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
338         extern cvar_t csqc_progcrc;
339         extern cvar_t csqc_progsize;
340         Cvar_RegisterVariable (&csqc_progname);
341         Cvar_RegisterVariable (&csqc_progcrc);
342         Cvar_RegisterVariable (&csqc_progsize);
343
344         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
345         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
346         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
347         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
348
349         Cvar_RegisterVariable (&coop);
350         Cvar_RegisterVariable (&deathmatch);
351         Cvar_RegisterVariable (&fraglimit);
352         Cvar_RegisterVariable (&gamecfg);
353         Cvar_RegisterVariable (&noexit);
354         Cvar_RegisterVariable (&nomonsters);
355         Cvar_RegisterVariable (&pausable);
356         Cvar_RegisterVariable (&pr_checkextension);
357         Cvar_RegisterVariable (&samelevel);
358         Cvar_RegisterVariable (&skill);
359         Cvar_RegisterVariable (&slowmo);
360         Cvar_RegisterVariable (&sv_accelerate);
361         Cvar_RegisterVariable (&sv_aim);
362         Cvar_RegisterVariable (&sv_airaccel_qw);
363         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
364         Cvar_RegisterVariable (&sv_airaccelerate);
365         Cvar_RegisterVariable (&sv_airstopaccelerate);
366         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
367         Cvar_RegisterVariable (&sv_maxairstrafespeed);
368         Cvar_RegisterVariable (&sv_aircontrol);
369         Cvar_RegisterVariable (&sv_allowdownloads);
370         Cvar_RegisterVariable (&sv_allowdownloads_archive);
371         Cvar_RegisterVariable (&sv_allowdownloads_config);
372         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
373         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
374         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
375         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
376         Cvar_RegisterVariable (&sv_clmovement_enable);
377         Cvar_RegisterVariable (&sv_clmovement_minping);
378         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
379         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
380         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
381         Cvar_RegisterVariable (&sv_cullentities_pvs);
382         Cvar_RegisterVariable (&sv_cullentities_stats);
383         Cvar_RegisterVariable (&sv_cullentities_trace);
384         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
385         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
386         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
387         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
388         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
389         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
390         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
391         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
392         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
393         Cvar_RegisterVariable (&sv_debugmove);
394         Cvar_RegisterVariable (&sv_echobprint);
395         Cvar_RegisterVariable (&sv_edgefriction);
396         Cvar_RegisterVariable (&sv_entpatch);
397         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
398         Cvar_RegisterVariable (&sv_freezenonclients);
399         Cvar_RegisterVariable (&sv_friction);
400         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
401         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
402         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
403         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
404         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
405         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
406         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
407         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
408         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
409         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
410         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
411         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
412         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
413         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
414         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
415         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
416         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
417         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
418         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
419         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
420         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
421         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
422         Cvar_RegisterVariable (&sv_gravity);
423         Cvar_RegisterVariable (&sv_idealpitchscale);
424         Cvar_RegisterVariable (&sv_jumpstep);
425         Cvar_RegisterVariable (&sv_jumpvelocity);
426         Cvar_RegisterVariable (&sv_maxairspeed);
427         Cvar_RegisterVariable (&sv_maxrate);
428         Cvar_RegisterVariable (&sv_maxspeed);
429         Cvar_RegisterVariable (&sv_maxvelocity);
430         Cvar_RegisterVariable (&sv_newflymove);
431         Cvar_RegisterVariable (&sv_nostep);
432         Cvar_RegisterVariable (&sv_playerphysicsqc);
433         Cvar_RegisterVariable (&sv_progs);
434         Cvar_RegisterVariable (&sv_protocolname);
435         Cvar_RegisterVariable (&sv_random_seed);
436         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
437         Cvar_RegisterVariable (&sv_sound_land);
438         Cvar_RegisterVariable (&sv_sound_watersplash);
439         Cvar_RegisterVariable (&sv_stepheight);
440         Cvar_RegisterVariable (&sv_stopspeed);
441         Cvar_RegisterVariable (&sv_wallfriction);
442         Cvar_RegisterVariable (&sv_wateraccelerate);
443         Cvar_RegisterVariable (&sv_waterfriction);
444         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
445         Cvar_RegisterVariable (&sv_warsowbunny_accel);
446         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
447         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
448         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
449         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
450         Cvar_RegisterVariable (&sys_ticrate);
451         Cvar_RegisterVariable (&teamplay);
452         Cvar_RegisterVariable (&timelimit);
453
454         Cvar_RegisterVariable (&saved1);
455         Cvar_RegisterVariable (&saved2);
456         Cvar_RegisterVariable (&saved3);
457         Cvar_RegisterVariable (&saved4);
458         Cvar_RegisterVariable (&savedgamecfg);
459         Cvar_RegisterVariable (&scratch1);
460         Cvar_RegisterVariable (&scratch2);
461         Cvar_RegisterVariable (&scratch3);
462         Cvar_RegisterVariable (&scratch4);
463         Cvar_RegisterVariable (&temp1);
464
465         // LordHavoc: Nehahra uses these to pass data around cutscene demos
466         if (gamemode == GAME_NEHAHRA)
467         {
468                 Cvar_RegisterVariable (&nehx00);
469                 Cvar_RegisterVariable (&nehx01);
470                 Cvar_RegisterVariable (&nehx02);
471                 Cvar_RegisterVariable (&nehx03);
472                 Cvar_RegisterVariable (&nehx04);
473                 Cvar_RegisterVariable (&nehx05);
474                 Cvar_RegisterVariable (&nehx06);
475                 Cvar_RegisterVariable (&nehx07);
476                 Cvar_RegisterVariable (&nehx08);
477                 Cvar_RegisterVariable (&nehx09);
478                 Cvar_RegisterVariable (&nehx10);
479                 Cvar_RegisterVariable (&nehx11);
480                 Cvar_RegisterVariable (&nehx12);
481                 Cvar_RegisterVariable (&nehx13);
482                 Cvar_RegisterVariable (&nehx14);
483                 Cvar_RegisterVariable (&nehx15);
484                 Cvar_RegisterVariable (&nehx16);
485                 Cvar_RegisterVariable (&nehx17);
486                 Cvar_RegisterVariable (&nehx18);
487                 Cvar_RegisterVariable (&nehx19);
488         }
489         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
490
491         Cvar_RegisterVariable (&sv_autodemo_perclient);
492         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
493
494         Cvar_RegisterVariable (&halflifebsp);
495
496         // any special defaults for gamemodes go here
497         if (gamemode == GAME_NEHAHRA)
498         {
499                 // Nehahra pushable crates malfunction in some levels if this is on
500                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
501                 // Nehahra NPC AI is confused by this feature
502                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
503         }
504         if (gamemode == GAME_HIPNOTIC)
505         {
506                 // 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.
507                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
508                 // 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
509                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
510                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.                                                                                     
511                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);                                                                                                                                   
512         }
513         if (gamemode == GAME_ROGUE)
514         {
515                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
516                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
517         }
518         if (gamemode == GAME_NEXUIZ)
519         {
520                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
521                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
522         }
523
524         sv_mempool = Mem_AllocPool("server", 0, NULL);
525 }
526
527 static void SV_SaveEntFile_f(void)
528 {
529         char basename[MAX_QPATH];
530         if (!sv.active || !sv.worldmodel)
531         {
532                 Con_Print("Not running a server\n");
533                 return;
534         }
535         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
536         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
537 }
538
539
540 /*
541 =============================================================================
542
543 EVENT MESSAGES
544
545 =============================================================================
546 */
547
548 /*
549 ==================
550 SV_StartParticle
551
552 Make sure the event gets sent to all clients
553 ==================
554 */
555 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
556 {
557         int i;
558
559         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
560                 return;
561         MSG_WriteByte (&sv.datagram, svc_particle);
562         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
563         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
564         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
565         for (i=0 ; i<3 ; i++)
566                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
567         MSG_WriteByte (&sv.datagram, count);
568         MSG_WriteByte (&sv.datagram, color);
569         SV_FlushBroadcastMessages();
570 }
571
572 /*
573 ==================
574 SV_StartEffect
575
576 Make sure the event gets sent to all clients
577 ==================
578 */
579 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
580 {
581         if (modelindex >= 256 || startframe >= 256)
582         {
583                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
584                         return;
585                 MSG_WriteByte (&sv.datagram, svc_effect2);
586                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
587                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
588                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
589                 MSG_WriteShort (&sv.datagram, modelindex);
590                 MSG_WriteShort (&sv.datagram, startframe);
591                 MSG_WriteByte (&sv.datagram, framecount);
592                 MSG_WriteByte (&sv.datagram, framerate);
593         }
594         else
595         {
596                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
597                         return;
598                 MSG_WriteByte (&sv.datagram, svc_effect);
599                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
600                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
601                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
602                 MSG_WriteByte (&sv.datagram, modelindex);
603                 MSG_WriteByte (&sv.datagram, startframe);
604                 MSG_WriteByte (&sv.datagram, framecount);
605                 MSG_WriteByte (&sv.datagram, framerate);
606         }
607         SV_FlushBroadcastMessages();
608 }
609
610 /*
611 ==================
612 SV_StartSound
613
614 Each entity can have eight independant sound sources, like voice,
615 weapon, feet, etc.
616
617 Channel 0 is an auto-allocate channel, the others override anything
618 already running on that entity/channel pair.
619
620 An attenuation of 0 will play full volume everywhere in the level.
621 Larger attenuations will drop off.  (max 4 attenuation)
622
623 ==================
624 */
625 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
626 {
627         int sound_num, field_mask, i, ent;
628
629         if (volume < 0 || volume > 255)
630         {
631                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
632                 return;
633         }
634
635         if (attenuation < 0 || attenuation > 4)
636         {
637                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
638                 return;
639         }
640
641         if (channel < 0 || channel > 7)
642         {
643                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
644                 return;
645         }
646
647         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
648                 return;
649
650 // find precache number for sound
651         sound_num = SV_SoundIndex(sample, 1);
652         if (!sound_num)
653                 return;
654
655         ent = PRVM_NUM_FOR_EDICT(entity);
656
657         field_mask = 0;
658         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
659                 field_mask |= SND_VOLUME;
660         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
661                 field_mask |= SND_ATTENUATION;
662         if (ent >= 8192)
663                 field_mask |= SND_LARGEENTITY;
664         if (sound_num >= 256 || channel >= 8)
665                 field_mask |= SND_LARGESOUND;
666
667 // directed messages go only to the entity they are targeted on
668         MSG_WriteByte (&sv.datagram, svc_sound);
669         MSG_WriteByte (&sv.datagram, field_mask);
670         if (field_mask & SND_VOLUME)
671                 MSG_WriteByte (&sv.datagram, volume);
672         if (field_mask & SND_ATTENUATION)
673                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
674         if (field_mask & SND_LARGEENTITY)
675         {
676                 MSG_WriteShort (&sv.datagram, ent);
677                 MSG_WriteByte (&sv.datagram, channel);
678         }
679         else
680                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
681         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
682                 MSG_WriteShort (&sv.datagram, sound_num);
683         else
684                 MSG_WriteByte (&sv.datagram, sound_num);
685         for (i = 0;i < 3;i++)
686                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
687         SV_FlushBroadcastMessages();
688 }
689
690 /*
691 ==================
692 SV_StartPointSound
693
694 Nearly the same logic as SV_StartSound, except an origin
695 instead of an entity is provided and channel is omitted.
696
697 The entity sent to the client is 0 (world) and the channel
698 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
699 function, therefore the check for it is omitted.
700
701 ==================
702 */
703 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
704 {
705         int sound_num, field_mask, i;
706
707         if (volume < 0 || volume > 255)
708         {
709                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
710                 return;
711         }
712
713         if (attenuation < 0 || attenuation > 4)
714         {
715                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
716                 return;
717         }
718
719         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
720                 return;
721
722         // find precache number for sound
723         sound_num = SV_SoundIndex(sample, 1);
724         if (!sound_num)
725                 return;
726
727         field_mask = 0;
728         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
729                 field_mask |= SND_VOLUME;
730         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
731                 field_mask |= SND_ATTENUATION;
732         if (sound_num >= 256)
733                 field_mask |= SND_LARGESOUND;
734
735 // directed messages go only to the entity they are targeted on
736         MSG_WriteByte (&sv.datagram, svc_sound);
737         MSG_WriteByte (&sv.datagram, field_mask);
738         if (field_mask & SND_VOLUME)
739                 MSG_WriteByte (&sv.datagram, volume);
740         if (field_mask & SND_ATTENUATION)
741                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
742         // Always write entnum 0 for the world entity
743         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
744         if (field_mask & SND_LARGESOUND)
745                 MSG_WriteShort (&sv.datagram, sound_num);
746         else
747                 MSG_WriteByte (&sv.datagram, sound_num);
748         for (i = 0;i < 3;i++)
749                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
750         SV_FlushBroadcastMessages();
751 }
752
753 /*
754 ==============================================================================
755
756 CLIENT SPAWNING
757
758 ==============================================================================
759 */
760
761 /*
762 ================
763 SV_SendServerinfo
764
765 Sends the first message from the server to a connected client.
766 This will be sent on the initial connection and upon each server load.
767 ================
768 */
769 void SV_SendServerinfo (client_t *client)
770 {
771         int i;
772         char message[128];
773
774         // we know that this client has a netconnection and thus is not a bot
775
776         // edicts get reallocated on level changes, so we need to update it here
777         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
778
779         // clear cached stuff that depends on the level
780         client->weaponmodel[0] = 0;
781         client->weaponmodelindex = 0;
782
783         // LordHavoc: clear entityframe tracking
784         client->latestframenum = 0;
785
786         // initialize the movetime, so a speedhack can't make use of the time before this client joined
787         client->cmd.time = sv.time;
788
789         if (client->entitydatabase)
790                 EntityFrame_FreeDatabase(client->entitydatabase);
791         if (client->entitydatabase4)
792                 EntityFrame4_FreeDatabase(client->entitydatabase4);
793         if (client->entitydatabase5)
794                 EntityFrame5_FreeDatabase(client->entitydatabase5);
795
796         memset(client->stats, 0, sizeof(client->stats));
797         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
798
799         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)
800         {
801                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
802                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
803                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
804                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
805                 else
806                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
807         }
808
809         // reset csqc entity versions
810         for (i = 0;i < prog->max_edicts;i++)
811         {
812                 client->csqcentityscope[i] = 0;
813                 client->csqcentitysendflags[i] = 0xFFFFFF;
814                 client->csqcentityglobalhistory[i] = 0;
815         }
816         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
817         {
818                 client->csqcentityframehistory[i].num = 0;
819                 client->csqcentityframehistory[i].framenum = -1;
820         }
821         client->csqcnumedicts = 0;
822         client->csqcentityframehistory_next = 0;
823
824         SZ_Clear (&client->netconnection->message);
825         MSG_WriteByte (&client->netconnection->message, svc_print);
826         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
827         MSG_WriteString (&client->netconnection->message,message);
828
829         SV_StopDemoRecording(client); // to split up demos into different files
830         if(sv_autodemo_perclient.integer && client->netconnection)
831         {
832                 char demofile[MAX_OSPATH];
833                 char levelname[MAX_QPATH];
834                 char ipaddress[MAX_QPATH];
835                 size_t i;
836
837                 // start a new demo file
838                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
839                 if (strrchr(levelname, '.'))
840                         *(strrchr(levelname, '.')) = 0;
841
842                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
843                 for(i = 0; ipaddress[i]; ++i)
844                         if(!isalnum(ipaddress[i]))
845                                 ipaddress[i] = '-';
846                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
847
848                 SV_StartDemoRecording(client, demofile, -1);
849         }
850
851         //[515]: init csprogs according to version of svprogs, check the crc, etc.
852         if (sv.csqc_progname[0])
853         {
854                 prvm_eval_t *val;
855                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
856                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
857                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
858                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
859                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
860                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
861                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
862
863                 if(client->sv_demo_file != NULL)
864                 {
865                         int i;
866                         char buf[NET_MAXMESSAGE];
867                         sizebuf_t sb;
868
869                         sb.data = (unsigned char *) buf;
870                         sb.maxsize = sizeof(buf);
871                         i = 0;
872                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
873                                 SV_WriteDemoMessage(client, &sb, false);
874                 }
875
876                 //[515]: init stufftext string (it is sent before svc_serverinfo)
877                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
878                 if (val)
879                 {
880                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
881                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
882                 }
883         }
884
885         //if (sv_allowdownloads.integer)
886         // always send the info that the server supports the protocol, even if downloads are forbidden
887         // only because of that, the CSQC exception can work
888         {
889                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
890                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
891         }
892
893         // send at this time so it's guaranteed to get executed at the right time
894         {
895                 client_t *save;
896                 save = host_client;
897                 host_client = client;
898                 Curl_SendRequirements();
899                 host_client = save;
900         }
901
902         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
903         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
904         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
905
906         if (!coop.integer && deathmatch.integer)
907                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
908         else
909                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
910
911         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
912
913         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
914                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
915         MSG_WriteByte (&client->netconnection->message, 0);
916
917         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
918                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
919         MSG_WriteByte (&client->netconnection->message, 0);
920
921 // send music
922         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
923         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
924         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
925
926 // set view
927 // store this in clientcamera, too
928         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
929         MSG_WriteByte (&client->netconnection->message, svc_setview);
930         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
931
932         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
933         MSG_WriteByte (&client->netconnection->message, 1);
934
935         client->spawned = false;                // need prespawn, spawn, etc
936         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
937
938         // clear movement info until client enters the new level properly
939         memset(&client->cmd, 0, sizeof(client->cmd));
940         client->movesequence = 0;
941         client->movement_highestsequence_seen = 0;
942         memset(&client->movement_count, 0, sizeof(client->movement_count));
943 #ifdef NUM_PING_TIMES
944         for (i = 0;i < NUM_PING_TIMES;i++)
945                 client->ping_times[i] = 0;
946         client->num_pings = 0;
947 #endif
948         client->ping = 0;
949
950         // allow the client some time to send his keepalives, even if map loading took ages
951         client->netconnection->timeout = realtime + net_connecttimeout.value;
952 }
953
954 /*
955 ================
956 SV_ConnectClient
957
958 Initializes a client_t for a new net connection.  This will only be called
959 once for a player each game, not once for each level change.
960 ================
961 */
962 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
963 {
964         client_t                *client;
965         int                             i;
966         float                   spawn_parms[NUM_SPAWN_PARMS];
967
968         client = svs.clients + clientnum;
969
970 // set up the client_t
971         if (sv.loadgame)
972                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
973         memset (client, 0, sizeof(*client));
974         client->active = true;
975         client->netconnection = netconnection;
976
977         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
978
979         strlcpy(client->name, "unconnected", sizeof(client->name));
980         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
981         client->spawned = false;
982         client->edict = PRVM_EDICT_NUM(clientnum+1);
983         if (client->netconnection)
984                 client->netconnection->message.allowoverflow = true;            // we can catch it
985         // prepare the unreliable message buffer
986         client->unreliablemsg.data = client->unreliablemsg_data;
987         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
988         // updated by receiving "rate" command from client, this is also the default if not using a DP client
989         client->rate = 1000000000;
990         // no limits for local player
991         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
992                 client->rate = 1000000000;
993         client->connecttime = realtime;
994
995         if (sv.loadgame)
996                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
997         else
998         {
999                 // call the progs to get default spawn parms for the new client
1000                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1001                 prog->globals.server->self = 0;
1002                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1003                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1004                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1005
1006                 // set up the entity for this client (including .colormap, .team, etc)
1007                 PRVM_ED_ClearEdict(client->edict);
1008         }
1009
1010         // don't call SendServerinfo for a fresh botclient because its fields have
1011         // not been set up by the qc yet
1012         if (client->netconnection)
1013                 SV_SendServerinfo (client);
1014         else
1015                 client->spawned = true;
1016 }
1017
1018
1019 /*
1020 ===============================================================================
1021
1022 FRAME UPDATES
1023
1024 ===============================================================================
1025 */
1026
1027 /*
1028 =============================================================================
1029
1030 The PVS must include a small area around the client to allow head bobbing
1031 or other small motion on the client side.  Otherwise, a bob might cause an
1032 entity that should be visible to not show up, especially when the bob
1033 crosses a waterline.
1034
1035 =============================================================================
1036 */
1037
1038 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1039 {
1040         int i;
1041         unsigned int sendflags;
1042         unsigned int version;
1043         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1044         unsigned int customizeentityforclient;
1045         unsigned int sendentity;
1046         float f;
1047         vec3_t cullmins, cullmaxs;
1048         dp_model_t *model;
1049         prvm_eval_t *val, *val2;
1050
1051         // fast path for games that do not use legacy entity networking
1052         // note: still networks clients even if they are legacy
1053         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1054         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1055                 return false;
1056
1057         // this 2 billion unit check is actually to detect NAN origins
1058         // (we really don't want to send those)
1059         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1060                 return false;
1061
1062         // EF_NODRAW prevents sending for any reason except for your own
1063         // client, so we must keep all clients in this superset
1064         effects = (unsigned)ent->fields.server->effects;
1065
1066         // we can omit invisible entities with no effects that are not clients
1067         // LordHavoc: this could kill tags attached to an invisible entity, I
1068         // just hope we never have to support that case
1069         i = (int)ent->fields.server->modelindex;
1070         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1071
1072         flags = 0;
1073         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1074         glowsize = (unsigned char)bound(0, i, 255);
1075         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1076                 flags |= RENDER_GLOWTRAIL;
1077         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1078                 flags |= RENDER_VIEWMODEL;
1079
1080         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1081         light[0] = (unsigned short)bound(0, f, 65535);
1082         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1083         light[1] = (unsigned short)bound(0, f, 65535);
1084         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1085         light[2] = (unsigned short)bound(0, f, 65535);
1086         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1087         light[3] = (unsigned short)bound(0, f, 65535);
1088         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1089         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1090
1091         if (gamemode == GAME_TENEBRAE)
1092         {
1093                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1094                 if (effects & 16)
1095                 {
1096                         effects &= ~16;
1097                         lightpflags |= PFLAGS_FULLDYNAMIC;
1098                 }
1099                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1100                 if (effects & 32)
1101                 {
1102                         effects &= ~32;
1103                         light[0] = (int)(0.2*256);
1104                         light[1] = (int)(1.0*256);
1105                         light[2] = (int)(0.2*256);
1106                         light[3] = 200;
1107                         lightpflags |= PFLAGS_FULLDYNAMIC;
1108                 }
1109         }
1110
1111         specialvisibilityradius = 0;
1112         if (lightpflags & PFLAGS_FULLDYNAMIC)
1113                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1114         if (glowsize)
1115                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1116         if (flags & RENDER_GLOWTRAIL)
1117                 specialvisibilityradius = max(specialvisibilityradius, 100);
1118         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1119         {
1120                 if (effects & EF_BRIGHTFIELD)
1121                         specialvisibilityradius = max(specialvisibilityradius, 80);
1122                 if (effects & EF_MUZZLEFLASH)
1123                         specialvisibilityradius = max(specialvisibilityradius, 100);
1124                 if (effects & EF_BRIGHTLIGHT)
1125                         specialvisibilityradius = max(specialvisibilityradius, 400);
1126                 if (effects & EF_DIMLIGHT)
1127                         specialvisibilityradius = max(specialvisibilityradius, 200);
1128                 if (effects & EF_RED)
1129                         specialvisibilityradius = max(specialvisibilityradius, 200);
1130                 if (effects & EF_BLUE)
1131                         specialvisibilityradius = max(specialvisibilityradius, 200);
1132                 if (effects & EF_FLAME)
1133                         specialvisibilityradius = max(specialvisibilityradius, 250);
1134                 if (effects & EF_STARDUST)
1135                         specialvisibilityradius = max(specialvisibilityradius, 100);
1136         }
1137
1138         // early culling checks
1139         // (final culling is done by SV_MarkWriteEntityStateToClient)
1140         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1141         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1142                 return false;
1143
1144         *cs = defaultstate;
1145         cs->active = ACTIVE_NETWORK;
1146         cs->number = enumber;
1147         VectorCopy(ent->fields.server->origin, cs->origin);
1148         VectorCopy(ent->fields.server->angles, cs->angles);
1149         cs->flags = flags;
1150         cs->effects = effects;
1151         cs->colormap = (unsigned)ent->fields.server->colormap;
1152         cs->modelindex = modelindex;
1153         cs->skin = (unsigned)ent->fields.server->skin;
1154         cs->frame = (unsigned)ent->fields.server->frame;
1155         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1156         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1157         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1158         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1159         cs->customizeentityforclient = customizeentityforclient;
1160         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1161         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1162         cs->glowsize = glowsize;
1163
1164         // don't need to init cs->colormod because the defaultstate did that for us
1165         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1166         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1167         if (val->vector[0] || val->vector[1] || val->vector[2])
1168         {
1169                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1170                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1171                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1172         }
1173
1174         // don't need to init cs->glowmod because the defaultstate did that for us
1175         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1176         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1177         if (val->vector[0] || val->vector[1] || val->vector[2])
1178         {
1179                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1180                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1181                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1182         }
1183
1184         cs->modelindex = modelindex;
1185
1186         cs->alpha = 255;
1187         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1188         if (f)
1189         {
1190                 i = (int)f;
1191                 cs->alpha = (unsigned char)bound(0, i, 255);
1192         }
1193         // halflife
1194         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1195         if (f)
1196         {
1197                 i = (int)f;
1198                 cs->alpha = (unsigned char)bound(0, i, 255);
1199         }
1200
1201         cs->scale = 16;
1202         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1203         if (f)
1204         {
1205                 i = (int)f;
1206                 cs->scale = (unsigned char)bound(0, i, 255);
1207         }
1208
1209         cs->glowcolor = 254;
1210         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1211         if (f)
1212                 cs->glowcolor = (int)f;
1213
1214         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1215                 cs->effects |= EF_FULLBRIGHT;
1216
1217         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1218         if (val && val->_float)
1219                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1220
1221         if (ent->fields.server->movetype == MOVETYPE_STEP)
1222                 cs->flags |= RENDER_STEP;
1223         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)
1224                 cs->flags |= RENDER_LOWPRECISION;
1225         if (ent->fields.server->colormap >= 1024)
1226                 cs->flags |= RENDER_COLORMAPPED;
1227         if (cs->viewmodelforclient)
1228                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1229
1230         cs->light[0] = light[0];
1231         cs->light[1] = light[1];
1232         cs->light[2] = light[2];
1233         cs->light[3] = light[3];
1234         cs->lightstyle = lightstyle;
1235         cs->lightpflags = lightpflags;
1236
1237         cs->specialvisibilityradius = specialvisibilityradius;
1238
1239         // calculate the visible box of this entity (don't use the physics box
1240         // as that is often smaller than a model, and would not count
1241         // specialvisibilityradius)
1242         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1243         {
1244                 float scale = cs->scale * (1.0f / 16.0f);
1245                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1246                 {
1247                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1248                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1249                 }
1250                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1251                 {
1252                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1253                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1254                 }
1255                 else
1256                 {
1257                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1258                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1259                 }
1260         }
1261         else
1262         {
1263                 // if there is no model (or it could not be loaded), use the physics box
1264                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1265                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1266         }
1267         if (specialvisibilityradius)
1268         {
1269                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1270                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1271                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1272                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1273                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1274                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1275         }
1276
1277         // calculate center of bbox for network prioritization purposes
1278         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1279
1280         // if culling box has moved, update pvs cluster links
1281         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1282         {
1283                 VectorCopy(cullmins, ent->priv.server->cullmins);
1284                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1285                 // a value of -1 for pvs_numclusters indicates that the links are not
1286                 // cached, and should be re-tested each time, this is the case if the
1287                 // culling box touches too many pvs clusters to store, or if the world
1288                 // model does not support FindBoxClusters
1289                 ent->priv.server->pvs_numclusters = -1;
1290                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1291                 {
1292                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1293                         if (i <= MAX_ENTITYCLUSTERS)
1294                                 ent->priv.server->pvs_numclusters = i;
1295                 }
1296         }
1297
1298         // we need to do some csqc entity upkeep here
1299         // get self.SendFlags and clear them
1300         // (to let the QC know that they've been read)
1301         if (sendentity)
1302         {
1303                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1304                 sendflags = (unsigned int)val->_float;
1305                 val->_float = 0;
1306                 // legacy self.Version system
1307                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1308                 if (val2->_float)
1309                 {
1310                         version = (unsigned int)val2->_float;
1311                         if (sv.csqcentityversion[enumber] != version)
1312                                 sendflags = 0xFFFFFF;
1313                         sv.csqcentityversion[enumber] = version;
1314                 }
1315                 // move sendflags into the per-client sendflags
1316                 if (sendflags)
1317                         for (i = 0;i < svs.maxclients;i++)
1318                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1319                 // mark it as inactive for non-csqc networking
1320                 cs->active = ACTIVE_SHARED;
1321         }
1322
1323         return true;
1324 }
1325
1326 void SV_PrepareEntitiesForSending(void)
1327 {
1328         int e;
1329         prvm_edict_t *ent;
1330         // send all entities that touch the pvs
1331         sv.numsendentities = 0;
1332         sv.sendentitiesindex[0] = NULL;
1333         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1334         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1335         {
1336                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1337                 {
1338                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1339                         sv.numsendentities++;
1340                 }
1341         }
1342 }
1343
1344 #define MAX_LINEOFSIGHTTRACES 64
1345
1346 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1347 {
1348         float pitchsign;
1349         float alpha;
1350         float starttransformed[3], endtransformed[3];
1351         int blocked = 0;
1352         int traceindex;
1353         int originalnumtouchedicts;
1354         int numtouchedicts = 0;
1355         int touchindex;
1356         matrix4x4_t matrix, imatrix;
1357         dp_model_t *model;
1358         prvm_edict_t *touch;
1359         static prvm_edict_t *touchedicts[MAX_EDICTS];
1360         vec3_t boxmins, boxmaxs;
1361         vec3_t clipboxmins, clipboxmaxs;
1362         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1363
1364         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1365
1366         // expand the box a little
1367         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1368         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1369         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1370         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1371         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1372         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1373
1374         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1375         for (traceindex = 1;traceindex < numtraces;traceindex++)
1376                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1377
1378         // calculate sweep box for the entire swarm of traces
1379         VectorCopy(eye, clipboxmins);
1380         VectorCopy(eye, clipboxmaxs);
1381         for (traceindex = 0;traceindex < numtraces;traceindex++)
1382         {
1383                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1384                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1385                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1386                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1387                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1388                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1389         }
1390
1391         // get the list of entities in the sweep box
1392         if (sv_cullentities_trace_entityocclusion.integer)
1393                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1394         if (numtouchedicts > MAX_EDICTS)
1395         {
1396                 // this never happens
1397                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1398                 numtouchedicts = MAX_EDICTS;
1399         }
1400         // iterate the entities found in the sweep box and filter them
1401         originalnumtouchedicts = numtouchedicts;
1402         numtouchedicts = 0;
1403         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1404         {
1405                 touch = touchedicts[touchindex];
1406                 if (touch->fields.server->solid != SOLID_BSP)
1407                         continue;
1408                 model = SV_GetModelFromEdict(touch);
1409                 if (!model || !model->brush.TraceLineOfSight)
1410                         continue;
1411                 // skip obviously transparent entities
1412                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1413                 if (alpha && alpha < 1)
1414                         continue;
1415                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1416                         continue;
1417                 touchedicts[numtouchedicts++] = touch;
1418         }
1419
1420         // now that we have a filtered list of "interesting" entities, fire each
1421         // ray against all of them, this gives us an early-out case when something
1422         // is visible (which it often is)
1423
1424         for (traceindex = 0;traceindex < numtraces;traceindex++)
1425         {
1426                 // check world occlusion
1427                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1428                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1429                                 continue;
1430                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1431                 {
1432                         touch = touchedicts[touchindex];
1433                         model = SV_GetModelFromEdict(touch);
1434                         if(model && model->brush.TraceLineOfSight)
1435                         {
1436                                 // get the entity matrix
1437                                 pitchsign = SV_GetPitchSign(touch);
1438                                 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);
1439                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1440                                 // see if the ray hits this entity
1441                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1442                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1443                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1444                                 {
1445                                         blocked++;
1446                                         break;
1447                                 }
1448                         }
1449                 }
1450                 // check if the ray was blocked
1451                 if (touchindex < numtouchedicts)
1452                         continue;
1453                 // return if the ray was not blocked
1454                 return true;
1455         }
1456
1457         // no rays survived
1458         return false;
1459 }
1460
1461 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1462 {
1463         int isbmodel;
1464         dp_model_t *model;
1465         prvm_edict_t *ed;
1466         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1467                 return;
1468         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1469         sv.writeentitiestoclient_stats_totalentities++;
1470
1471         if (s->customizeentityforclient)
1472         {
1473                 prog->globals.server->self = s->number;
1474                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1475                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1476                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1477                         return;
1478         }
1479
1480         // never reject player
1481         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1482         {
1483                 // check various rejection conditions
1484                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1485                         return;
1486                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1487                         return;
1488                 if (s->effects & EF_NODRAW)
1489                         return;
1490                 // LordHavoc: only send entities with a model or important effects
1491                 if (!s->modelindex && s->specialvisibilityradius == 0)
1492                         return;
1493
1494                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1495                 // viewmodels don't have visibility checking
1496                 if (s->viewmodelforclient)
1497                 {
1498                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1499                                 return;
1500                 }
1501                 else if (s->tagentity)
1502                 {
1503                         // tag attached entities simply check their parent
1504                         if (!sv.sendentitiesindex[s->tagentity])
1505                                 return;
1506                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1507                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1508                                 return;
1509                 }
1510                 // always send world submodels in newer protocols because they don't
1511                 // generate much traffic (in old protocols they hog bandwidth)
1512                 // but only if sv_cullentities_nevercullbmodels is off
1513                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1514                 {
1515                         // entity has survived every check so far, check if visible
1516                         ed = PRVM_EDICT_NUM(s->number);
1517
1518                         // if not touching a visible leaf
1519                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1520                         {
1521                                 if (ed->priv.server->pvs_numclusters < 0)
1522                                 {
1523                                         // entity too big for clusters list
1524                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1525                                         {
1526                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1527                                                 return;
1528                                         }
1529                                 }
1530                                 else
1531                                 {
1532                                         int i;
1533                                         // check cached clusters list
1534                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1535                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1536                                                         break;
1537                                         if (i == ed->priv.server->pvs_numclusters)
1538                                         {
1539                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1540                                                 return;
1541                                         }
1542                                 }
1543                         }
1544
1545                         // or not seen by random tracelines
1546                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1547                         {
1548                                 int samples =
1549                                         s->number <= svs.maxclients
1550                                                 ? sv_cullentities_trace_samples_players.integer
1551                                                 :
1552                                         s->specialvisibilityradius
1553                                                 ? sv_cullentities_trace_samples_extra.integer
1554                                                 : sv_cullentities_trace_samples.integer;
1555                                 float enlarge = sv_cullentities_trace_enlarge.value;
1556
1557                                 if(samples > 0)
1558                                 {
1559                                         int eyeindex;
1560                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1561                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1562                                                         break;
1563                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1564                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1565                                                         realtime + (
1566                                                                 s->number <= svs.maxclients
1567                                                                         ? sv_cullentities_trace_delay_players.value
1568                                                                         : sv_cullentities_trace_delay.value
1569                                                         );
1570                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1571                                         {
1572                                                 sv.writeentitiestoclient_stats_culled_trace++;
1573                                                 return;
1574                                         }
1575                                 }
1576                         }
1577                 }
1578         }
1579
1580         // this just marks it for sending
1581         // FIXME: it would be more efficient to send here, but the entity
1582         // compressor isn't that flexible
1583         sv.writeentitiestoclient_stats_visibleentities++;
1584         sv.sententities[s->number] = sv.sententitiesmark;
1585 }
1586
1587 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1588 {
1589         qboolean need_empty = false;
1590         int i, numsendstates, numcsqcsendstates;
1591         entity_state_t *s;
1592         prvm_edict_t *camera;
1593         qboolean success;
1594         vec3_t eye;
1595
1596         // if there isn't enough space to accomplish anything, skip it
1597         if (msg->cursize + 25 > maxsize)
1598                 return;
1599
1600         sv.writeentitiestoclient_msg = msg;
1601         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1602
1603         sv.writeentitiestoclient_stats_culled_pvs = 0;
1604         sv.writeentitiestoclient_stats_culled_trace = 0;
1605         sv.writeentitiestoclient_stats_visibleentities = 0;
1606         sv.writeentitiestoclient_stats_totalentities = 0;
1607         sv.writeentitiestoclient_numeyes = 0;
1608
1609         // get eye location
1610         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1611         camera = PRVM_EDICT_NUM( client->clientcamera );
1612         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1613         sv.writeentitiestoclient_pvsbytes = 0;
1614         // get the PVS values for the eye location, later FatPVS calls will merge
1615         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1616                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1617
1618         // add the eye to a list for SV_CanSeeBox tests
1619         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1620         sv.writeentitiestoclient_numeyes++;
1621
1622         // calculate predicted eye origin for SV_CanSeeBox tests
1623         if (sv_cullentities_trace_prediction.integer)
1624         {
1625                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1626                 vec3_t predeye;
1627                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1628                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1629                 {
1630                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1631                         sv.writeentitiestoclient_numeyes++;
1632                 }
1633                 //if (!sv.writeentitiestoclient_useprediction)
1634                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1635         }
1636
1637         // TODO: check line of sight to portal entities and add them to PVS
1638
1639         sv.sententitiesmark++;
1640
1641         for (i = 0;i < sv.numsendentities;i++)
1642                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1643
1644         numsendstates = 0;
1645         numcsqcsendstates = 0;
1646         for (i = 0;i < sv.numsendentities;i++)
1647         {
1648                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1649                 {
1650                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1651                         {
1652                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1653                                 *s = sv.sendentities[i];
1654                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1655                                         s->flags |= RENDER_EXTERIORMODEL;
1656                         }
1657                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1658                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1659                         else
1660                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1661                 }
1662         }
1663
1664         if (sv_cullentities_stats.integer)
1665                 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);
1666
1667         if(client->entitydatabase5)
1668                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1669         else
1670                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1671
1672         if(client->num_skippedentityframes >= 10)
1673                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1674
1675         if (client->entitydatabase5)
1676                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1677         else if (client->entitydatabase4)
1678         {
1679                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1680                 Protocol_WriteStatsReliable();
1681         }
1682         else if (client->entitydatabase)
1683         {
1684                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1685                 Protocol_WriteStatsReliable();
1686         }
1687         else
1688         {
1689                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1690                 Protocol_WriteStatsReliable();
1691         }
1692
1693         if(success)
1694                 client->num_skippedentityframes = 0;
1695         else
1696                 ++client->num_skippedentityframes;
1697 }
1698
1699 /*
1700 =============
1701 SV_CleanupEnts
1702
1703 =============
1704 */
1705 static void SV_CleanupEnts (void)
1706 {
1707         int             e;
1708         prvm_edict_t    *ent;
1709
1710         ent = PRVM_NEXT_EDICT(prog->edicts);
1711         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1712                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1713 }
1714
1715 /*
1716 ==================
1717 SV_WriteClientdataToMessage
1718
1719 ==================
1720 */
1721 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1722 {
1723         int             bits;
1724         int             i;
1725         prvm_edict_t    *other;
1726         int             items;
1727         prvm_eval_t     *val;
1728         vec3_t  punchvector;
1729         int             viewzoom;
1730         const char *s;
1731         float   *statsf = (float *)stats;
1732
1733 //
1734 // send a damage message
1735 //
1736         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1737         {
1738                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1739                 MSG_WriteByte (msg, svc_damage);
1740                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1741                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1742                 for (i=0 ; i<3 ; i++)
1743                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1744
1745                 ent->fields.server->dmg_take = 0;
1746                 ent->fields.server->dmg_save = 0;
1747         }
1748
1749 //
1750 // send the current viewpos offset from the view entity
1751 //
1752         SV_SetIdealPitch ();            // how much to look up / down ideally
1753
1754 // a fixangle might get lost in a dropped packet.  Oh well.
1755         if(ent->fields.server->fixangle)
1756         {
1757                 // angle fixing was requested by global thinking code...
1758                 // so store the current angles for later use
1759                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1760                 host_client->fixangle_angles_set = TRUE;
1761
1762                 // and clear fixangle for the next frame
1763                 ent->fields.server->fixangle = 0;
1764         }
1765
1766         if (host_client->fixangle_angles_set)
1767         {
1768                 MSG_WriteByte (msg, svc_setangle);
1769                 for (i=0 ; i < 3 ; i++)
1770                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1771                 host_client->fixangle_angles_set = FALSE;
1772         }
1773
1774         // stuff the sigil bits into the high bits of items for sbar, or else
1775         // mix in items2
1776         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1777         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1778                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1779         else
1780                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1781
1782         VectorClear(punchvector);
1783         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1784                 VectorCopy(val->vector, punchvector);
1785
1786         // cache weapon model name and index in client struct to save time
1787         // (this search can be almost 1% of cpu time!)
1788         s = PRVM_GetString(ent->fields.server->weaponmodel);
1789         if (strcmp(s, client->weaponmodel))
1790         {
1791                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1792                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1793         }
1794
1795         viewzoom = 255;
1796         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1797                 viewzoom = (int)(val->_float * 255.0f);
1798         if (viewzoom == 0)
1799                 viewzoom = 255;
1800
1801         bits = 0;
1802
1803         if ((int)ent->fields.server->flags & FL_ONGROUND)
1804                 bits |= SU_ONGROUND;
1805         if (ent->fields.server->waterlevel >= 2)
1806                 bits |= SU_INWATER;
1807         if (ent->fields.server->idealpitch)
1808                 bits |= SU_IDEALPITCH;
1809
1810         for (i=0 ; i<3 ; i++)
1811         {
1812                 if (ent->fields.server->punchangle[i])
1813                         bits |= (SU_PUNCH1<<i);
1814                 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)
1815                         if (punchvector[i])
1816                                 bits |= (SU_PUNCHVEC1<<i);
1817                 if (ent->fields.server->velocity[i])
1818                         bits |= (SU_VELOCITY1<<i);
1819         }
1820
1821         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1822         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1823         stats[STAT_ITEMS] = items;
1824         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1825         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1826         stats[STAT_WEAPON] = client->weaponmodelindex;
1827         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1828         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1829         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1830         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1831         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1832         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1833         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1834         stats[STAT_VIEWZOOM] = viewzoom;
1835         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1836         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1837         // the QC bumps these itself by sending svc_'s, so we have to keep them
1838         // zero or they'll be corrected by the engine
1839         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1840         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1841
1842         // movement settings for prediction
1843         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1844         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1845                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1846         ;
1847         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1848         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1849         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1850         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1851         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1852         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1853         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1854         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1855         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1856         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1857         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1858         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1859         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1860         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1861         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1862         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1863         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1864         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1865         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1866         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1867         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1868         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1869         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1870         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1871         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1872         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1873         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1874         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1875         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1876         statsf[STAT_TIMELIMIT] = timelimit.value;
1877
1878         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)
1879         {
1880                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1881                 bits |= SU_ITEMS;
1882                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1883                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1884                 bits |= SU_WEAPON;
1885                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1886                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1887                         if (viewzoom != 255)
1888                                 bits |= SU_VIEWZOOM;
1889         }
1890
1891         if (bits >= 65536)
1892                 bits |= SU_EXTEND1;
1893         if (bits >= 16777216)
1894                 bits |= SU_EXTEND2;
1895
1896         // send the data
1897         MSG_WriteByte (msg, svc_clientdata);
1898         MSG_WriteShort (msg, bits);
1899         if (bits & SU_EXTEND1)
1900                 MSG_WriteByte(msg, bits >> 16);
1901         if (bits & SU_EXTEND2)
1902                 MSG_WriteByte(msg, bits >> 24);
1903
1904         if (bits & SU_VIEWHEIGHT)
1905                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1906
1907         if (bits & SU_IDEALPITCH)
1908                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1909
1910         for (i=0 ; i<3 ; i++)
1911         {
1912                 if (bits & (SU_PUNCH1<<i))
1913                 {
1914                         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)
1915                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1916                         else
1917                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1918                 }
1919                 if (bits & (SU_PUNCHVEC1<<i))
1920                 {
1921                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1922                                 MSG_WriteCoord16i(msg, punchvector[i]);
1923                         else
1924                                 MSG_WriteCoord32f(msg, punchvector[i]);
1925                 }
1926                 if (bits & (SU_VELOCITY1<<i))
1927                 {
1928                         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)
1929                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1930                         else
1931                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1932                 }
1933         }
1934
1935         if (bits & SU_ITEMS)
1936                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1937
1938         if (sv.protocol == PROTOCOL_DARKPLACES5)
1939         {
1940                 if (bits & SU_WEAPONFRAME)
1941                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1942                 if (bits & SU_ARMOR)
1943                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1944                 if (bits & SU_WEAPON)
1945                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1946                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1947                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1948                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1949                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1950                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1951                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1952                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1953                 if (bits & SU_VIEWZOOM)
1954                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1955         }
1956         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)
1957         {
1958                 if (bits & SU_WEAPONFRAME)
1959                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1960                 if (bits & SU_ARMOR)
1961                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1962                 if (bits & SU_WEAPON)
1963                 {
1964                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1965                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1966                         else
1967                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1968                 }
1969                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1970                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1971                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1972                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1973                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1974                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1975                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1976                 {
1977                         for (i = 0;i < 32;i++)
1978                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1979                                         break;
1980                         MSG_WriteByte (msg, i);
1981                 }
1982                 else
1983                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1984                 if (bits & SU_VIEWZOOM)
1985                 {
1986                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1987                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1988                         else
1989                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1990                 }
1991         }
1992 }
1993
1994 void SV_FlushBroadcastMessages(void)
1995 {
1996         int i;
1997         client_t *client;
1998         if (sv.datagram.cursize <= 0)
1999                 return;
2000         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2001         {
2002                 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])))
2003                         continue;
2004                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2005                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2006         }
2007         SZ_Clear(&sv.datagram);
2008 }
2009
2010 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2011 {
2012         // scan the splitpoints to find out how many we can fit in
2013         int numsegments, j, split;
2014         if (!client->unreliablemsg_splitpoints)
2015                 return;
2016         // always accept the first one if it's within 1024 bytes, this ensures
2017         // that very big datagrams which are over the rate limit still get
2018         // through, just to keep it working
2019         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2020                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2021                         break;
2022         // the first segment gets an exemption from the rate limiting, otherwise
2023         // it could get dropped consistently due to a low rate limit
2024         if (numsegments == 1)
2025                 maxsize = maxsize2;
2026         // some will fit, so add the ones that will fit
2027         split = client->unreliablemsg_splitpoint[numsegments-1];
2028         // note this discards ones that were accepted by the segments scan but
2029         // can not fit, such as a really huge first one that will never ever
2030         // fit in a packet...
2031         if (msg->cursize + split <= maxsize)
2032                 SZ_Write(msg, client->unreliablemsg.data, split);
2033         // remove the part we sent, keeping any remaining data
2034         client->unreliablemsg.cursize -= split;
2035         if (client->unreliablemsg.cursize > 0)
2036                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2037         // adjust remaining splitpoints
2038         client->unreliablemsg_splitpoints -= numsegments;
2039         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2040                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2041 }
2042
2043 /*
2044 =======================
2045 SV_SendClientDatagram
2046 =======================
2047 */
2048 static void SV_SendClientDatagram (client_t *client)
2049 {
2050         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2051         sizebuf_t msg;
2052         int stats[MAX_CL_STATS];
2053         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2054
2055         // obey rate limit by limiting packet frequency if the packet size
2056         // limiting fails
2057         // (usually this is caused by reliable messages)
2058         if (!NetConn_CanSend(client->netconnection))
2059                 return;
2060
2061         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2062         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2063         if (sv_maxrate.integer != maxrate)
2064                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2065
2066         // clientrate determines the 'cleartime' of a packet
2067         // (how long to wait before sending another, based on this packet's size)
2068         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2069
2070         switch (sv.protocol)
2071         {
2072         case PROTOCOL_QUAKE:
2073         case PROTOCOL_QUAKEDP:
2074         case PROTOCOL_NEHAHRAMOVIE:
2075         case PROTOCOL_NEHAHRABJP:
2076         case PROTOCOL_NEHAHRABJP2:
2077         case PROTOCOL_NEHAHRABJP3:
2078         case PROTOCOL_QUAKEWORLD:
2079                 // no packet size limit support on Quake protocols because it just
2080                 // causes missing entities/effects
2081                 // packets are simply sent less often to obey the rate limit
2082                 maxsize = 1024;
2083                 maxsize2 = 1024;
2084                 break;
2085         case PROTOCOL_DARKPLACES1:
2086         case PROTOCOL_DARKPLACES2:
2087         case PROTOCOL_DARKPLACES3:
2088         case PROTOCOL_DARKPLACES4:
2089                 // no packet size limit support on DP1-4 protocols because they kick
2090                 // the client off if they overflow, and miss effects
2091                 // packets are simply sent less often to obey the rate limit
2092                 maxsize = sizeof(sv_sendclientdatagram_buf);
2093                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2094                 break;
2095         default:
2096                 // DP5 and later protocols support packet size limiting which is a
2097                 // better method than limiting packet frequency as QW does
2098                 //
2099                 // at very low rates (or very small sys_ticrate) the packet size is
2100                 // not reduced below 128, but packets may be sent less often
2101                 maxsize = (int)(clientrate * sys_ticrate.value);
2102                 maxsize = bound(128, maxsize, 1400);
2103                 maxsize2 = 1400;
2104                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2105                 // mods that use csqc (they are likely to use less bandwidth anyway)
2106                 if (sv.csqc_progsize > 0)
2107                         maxsize = maxsize2;
2108                 break;
2109         }
2110
2111         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2112         {
2113                 // for good singleplayer, send huge packets
2114                 maxsize = sizeof(sv_sendclientdatagram_buf);
2115                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2116                 // never limit frequency in singleplayer
2117                 clientrate = 1000000000;
2118         }
2119
2120         // while downloading, limit entity updates to half the packet
2121         // (any leftover space will be used for downloading)
2122         if (host_client->download_file)
2123                 maxsize /= 2;
2124
2125         msg.data = sv_sendclientdatagram_buf;
2126         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2127         msg.cursize = 0;
2128         msg.allowoverflow = false;
2129
2130         if (host_client->spawned)
2131         {
2132                 // the player is in the game
2133                 MSG_WriteByte (&msg, svc_time);
2134                 MSG_WriteFloat (&msg, sv.time);
2135
2136                 // add the client specific data to the datagram
2137                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2138                 // now update the stats[] array using any registered custom fields
2139                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2140                 // set host_client->statsdeltabits
2141                 Protocol_UpdateClientStats (stats);
2142
2143                 // add as many queued unreliable messages (effects) as we can fit
2144                 // limit effects to half of the remaining space
2145                 if (client->unreliablemsg.cursize)
2146                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2147
2148                 // now write as many entities as we can fit, and also sends stats
2149                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2150         }
2151         else if (realtime > client->keepalivetime)
2152         {
2153                 // the player isn't totally in the game yet
2154                 // send small keepalive messages if too much time has passed
2155                 // (may also be sending downloads)
2156                 client->keepalivetime = realtime + 5;
2157                 MSG_WriteChar (&msg, svc_nop);
2158         }
2159
2160         // if a download is active, see if there is room to fit some download data
2161         // in this packet
2162         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2163         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2164         {
2165                 fs_offset_t downloadstart;
2166                 unsigned char data[1400];
2167                 downloadstart = FS_Tell(host_client->download_file);
2168                 downloadsize = min(downloadsize, (int)sizeof(data));
2169                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2170                 // note this sends empty messages if at the end of the file, which is
2171                 // necessary to keep the packet loss logic working
2172                 // (the last blocks may be lost and need to be re-sent, and that will
2173                 //  only occur if the client acks the empty end messages, revealing
2174                 //  a gap in the download progress, causing the last blocks to be
2175                 //  sent again)
2176                 MSG_WriteChar (&msg, svc_downloaddata);
2177                 MSG_WriteLong (&msg, downloadstart);
2178                 MSG_WriteShort (&msg, downloadsize);
2179                 if (downloadsize > 0)
2180                         SZ_Write (&msg, data, downloadsize);
2181         }
2182
2183         // reliable only if none is in progress
2184         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2185                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2186         // unreliable
2187         SV_WriteDemoMessage(client, &msg, false);
2188
2189 // send the datagram
2190         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2191         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2192                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2193 }
2194
2195 /*
2196 =======================
2197 SV_UpdateToReliableMessages
2198 =======================
2199 */
2200 static void SV_UpdateToReliableMessages (void)
2201 {
2202         int i, j;
2203         client_t *client;
2204         prvm_eval_t *val;
2205         const char *name;
2206         const char *model;
2207         const char *skin;
2208
2209 // check for changes to be sent over the reliable streams
2210         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2211         {
2212                 // update the host_client fields we care about according to the entity fields
2213                 host_client->edict = PRVM_EDICT_NUM(i+1);
2214
2215                 // DP_SV_CLIENTNAME
2216                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2217                 if (name == NULL)
2218                         name = "";
2219                 // always point the string back at host_client->name to keep it safe
2220                 strlcpy (host_client->name, name, sizeof (host_client->name));
2221                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2222                 if (strcmp(host_client->old_name, host_client->name))
2223                 {
2224                         if (host_client->spawned)
2225                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2226                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2227                         // send notification to all clients
2228                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2229                         MSG_WriteByte (&sv.reliable_datagram, i);
2230                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2231                         SV_WriteNetnameIntoDemo(host_client);
2232                 }
2233
2234                 // DP_SV_CLIENTCOLORS
2235                 // this is always found (since it's added by the progs loader)
2236                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2237                         host_client->colors = (int)val->_float;
2238                 if (host_client->old_colors != host_client->colors)
2239                 {
2240                         host_client->old_colors = host_client->colors;
2241                         // send notification to all clients
2242                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2243                         MSG_WriteByte (&sv.reliable_datagram, i);
2244                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2245                 }
2246
2247                 // NEXUIZ_PLAYERMODEL
2248                 if( prog->fieldoffsets.playermodel >= 0 ) {
2249                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2250                         if (model == NULL)
2251                                 model = "";
2252                         // always point the string back at host_client->name to keep it safe
2253                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2254                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2255                 }
2256
2257                 // NEXUIZ_PLAYERSKIN
2258                 if( prog->fieldoffsets.playerskin >= 0 ) {
2259                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2260                         if (skin == NULL)
2261                                 skin = "";
2262                         // always point the string back at host_client->name to keep it safe
2263                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2264                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2265                 }
2266
2267                 // TODO: add an extension name for this [1/17/2008 Black]
2268                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2269                         int oldclientcamera = host_client->clientcamera;
2270                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2271                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2272                         } else {
2273                                 host_client->clientcamera = val->edict;
2274                         }
2275
2276                         if( oldclientcamera != host_client->clientcamera ) {
2277                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2278                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2279                         }
2280                 }
2281
2282                 // frags
2283                 host_client->frags = (int)host_client->edict->fields.server->frags;
2284                 if(gamemode == GAME_NEXUIZ)
2285                         if(!host_client->spawned && host_client->netconnection)
2286                                 host_client->frags = -666;
2287                 if (host_client->old_frags != host_client->frags)
2288                 {
2289                         host_client->old_frags = host_client->frags;
2290                         // send notification to all clients
2291                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2292                         MSG_WriteByte (&sv.reliable_datagram, i);
2293                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2294                 }
2295         }
2296
2297         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2298                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2299                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2300
2301         SZ_Clear (&sv.reliable_datagram);
2302 }
2303
2304
2305 /*
2306 =======================
2307 SV_SendClientMessages
2308 =======================
2309 */
2310 void SV_SendClientMessages (void)
2311 {
2312         int i, prepared = false;
2313
2314         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2315                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2316
2317         SV_FlushBroadcastMessages();
2318
2319 // update frags, names, etc
2320         SV_UpdateToReliableMessages();
2321
2322 // build individual updates
2323         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2324         {
2325                 if (!host_client->active)
2326                         continue;
2327                 if (!host_client->netconnection)
2328                         continue;
2329
2330                 if (host_client->netconnection->message.overflowed)
2331                 {
2332                         SV_DropClient (true);   // if the message couldn't send, kick off
2333                         continue;
2334                 }
2335
2336                 if (!prepared)
2337                 {
2338                         prepared = true;
2339                         // only prepare entities once per frame
2340                         SV_PrepareEntitiesForSending();
2341                 }
2342                 SV_SendClientDatagram (host_client);
2343         }
2344
2345 // clear muzzle flashes
2346         SV_CleanupEnts();
2347 }
2348
2349 static void SV_StartDownload_f(void)
2350 {
2351         if (host_client->download_file)
2352                 host_client->download_started = true;
2353 }
2354
2355 /*
2356  * Compression extension negotiation:
2357  *
2358  * Server to client:
2359  *   cl_serverextension_download 2
2360  *
2361  * Client to server:
2362  *   download <filename> <list of zero or more suppported compressions in order of preference>
2363  * e.g.
2364  *   download maps/map1.bsp lzo deflate huffman
2365  *
2366  * Server to client:
2367  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2368  * e.g.
2369  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2370  *
2371  * The server may choose not to compress the file by sending no compression name, like:
2372  *   cl_downloadbegin 345678 maps/map1.bsp
2373  *
2374  * NOTE: the "download" command may only specify compression algorithms if
2375  *       cl_serverextension_download is 2!
2376  *       If cl_serverextension_download has a different value, the client must
2377  *       assume this extension is not supported!
2378  */
2379
2380 static void Download_CheckExtensions(void)
2381 {
2382         int i;
2383         int argc = Cmd_Argc();
2384
2385         // first reset them all
2386         host_client->download_deflate = false;
2387         
2388         for(i = 2; i < argc; ++i)
2389         {
2390                 if(!strcmp(Cmd_Argv(i), "deflate"))
2391                 {
2392                         host_client->download_deflate = true;
2393                         break;
2394                 }
2395         }
2396 }
2397
2398 static void SV_Download_f(void)
2399 {
2400         const char *whichpack, *whichpack2, *extension;
2401         qboolean is_csqc; // so we need to check only once
2402
2403         if (Cmd_Argc() < 2)
2404         {
2405                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2406                 SV_ClientPrintf("       supported extensions: deflate\n");
2407                 return;
2408         }
2409
2410         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2411         {
2412                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2413                 return;
2414         }
2415
2416         if (host_client->download_file)
2417         {
2418                 // at this point we'll assume the previous download should be aborted
2419                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2420                 Host_ClientCommands("\nstopdownload\n");
2421
2422                 // close the file and reset variables
2423                 FS_Close(host_client->download_file);
2424                 host_client->download_file = NULL;
2425                 host_client->download_name[0] = 0;
2426                 host_client->download_expectedposition = 0;
2427                 host_client->download_started = false;
2428         }
2429
2430         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2431         
2432         if (!sv_allowdownloads.integer && !is_csqc)
2433         {
2434                 SV_ClientPrintf("Downloads are disabled on this server\n");
2435                 Host_ClientCommands("\nstopdownload\n");
2436                 return;
2437         }
2438
2439         Download_CheckExtensions();
2440
2441         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2442         extension = FS_FileExtension(host_client->download_name);
2443
2444         // host_client is asking to download a specified file
2445         if (developer_extra.integer)
2446                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2447
2448         if(is_csqc)
2449         {
2450                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2451                 extensions[0] = '\0';
2452                 
2453                 if(host_client->download_deflate)
2454                         strlcat(extensions, " deflate", sizeof(extensions));
2455                 
2456                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2457
2458                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2459                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2460                 else
2461                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2462                 
2463                 // no, no space is needed between %s and %s :P
2464                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2465
2466                 host_client->download_expectedposition = 0;
2467                 host_client->download_started = false;
2468                 host_client->sendsignon = true; // make sure this message is sent
2469                 return;
2470         }
2471
2472         if (!FS_FileExists(host_client->download_name))
2473         {
2474                 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);
2475                 Host_ClientCommands("\nstopdownload\n");
2476                 return;
2477         }
2478
2479         // check if the user is trying to download part of registered Quake(r)
2480         whichpack = FS_WhichPack(host_client->download_name);
2481         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2482         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2483         {
2484                 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);
2485                 Host_ClientCommands("\nstopdownload\n");
2486                 return;
2487         }
2488
2489         // check if the server has forbidden archive downloads entirely
2490         if (!sv_allowdownloads_inarchive.integer)
2491         {
2492                 whichpack = FS_WhichPack(host_client->download_name);
2493                 if (whichpack)
2494                 {
2495                         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);
2496                         Host_ClientCommands("\nstopdownload\n");
2497                         return;
2498                 }
2499         }
2500
2501         if (!sv_allowdownloads_config.integer)
2502         {
2503                 if (!strcasecmp(extension, "cfg"))
2504                 {
2505                         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);
2506                         Host_ClientCommands("\nstopdownload\n");
2507                         return;
2508                 }
2509         }
2510
2511         if (!sv_allowdownloads_dlcache.integer)
2512         {
2513                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2514                 {
2515                         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);
2516                         Host_ClientCommands("\nstopdownload\n");
2517                         return;
2518                 }
2519         }
2520
2521         if (!sv_allowdownloads_archive.integer)
2522         {
2523                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2524                 {
2525                         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);
2526                         Host_ClientCommands("\nstopdownload\n");
2527                         return;
2528                 }
2529         }
2530
2531         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2532         if (!host_client->download_file)
2533         {
2534                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2535                 Host_ClientCommands("\nstopdownload\n");
2536                 return;
2537         }
2538
2539         if (FS_FileSize(host_client->download_file) > 1<<30)
2540         {
2541                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2542                 Host_ClientCommands("\nstopdownload\n");
2543                 FS_Close(host_client->download_file);
2544                 host_client->download_file = NULL;
2545                 return;
2546         }
2547
2548         if (FS_FileSize(host_client->download_file) < 0)
2549         {
2550                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2551                 Host_ClientCommands("\nstopdownload\n");
2552                 FS_Close(host_client->download_file);
2553                 host_client->download_file = NULL;
2554                 return;
2555         }
2556
2557         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2558
2559         /*
2560          * we can only do this if we would actually deflate on the fly
2561          * which we do not (yet)!
2562         {
2563                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2564                 extensions[0] = '\0';
2565                 
2566                 if(host_client->download_deflate)
2567                         strlcat(extensions, " deflate", sizeof(extensions));
2568
2569                 // no, no space is needed between %s and %s :P
2570                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2571         }
2572         */
2573         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2574
2575         host_client->download_expectedposition = 0;
2576         host_client->download_started = false;
2577         host_client->sendsignon = true; // make sure this message is sent
2578
2579         // the rest of the download process is handled in SV_SendClientDatagram
2580         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2581         //
2582         // no svc_downloaddata messages will be sent until sv_startdownload is
2583         // sent by the client
2584 }
2585
2586 /*
2587 ==============================================================================
2588
2589 SERVER SPAWNING
2590
2591 ==============================================================================
2592 */
2593
2594 /*
2595 ================
2596 SV_ModelIndex
2597
2598 ================
2599 */
2600 int SV_ModelIndex(const char *s, int precachemode)
2601 {
2602         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);
2603         char filename[MAX_QPATH];
2604         if (!s || !*s)
2605                 return 0;
2606         // testing
2607         //if (precachemode == 2)
2608         //      return 0;
2609         strlcpy(filename, s, sizeof(filename));
2610         for (i = 2;i < limit;i++)
2611         {
2612                 if (!sv.model_precache[i][0])
2613                 {
2614                         if (precachemode)
2615                         {
2616                                 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))
2617                                 {
2618                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2619                                         return 0;
2620                                 }
2621                                 if (precachemode == 1)
2622                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2623                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2624                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2625                                 if (sv.state != ss_loading)
2626                                 {
2627                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2628                                         MSG_WriteShort(&sv.reliable_datagram, i);
2629                                         MSG_WriteString(&sv.reliable_datagram, filename);
2630                                 }
2631                                 return i;
2632                         }
2633                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2634                         return 0;
2635                 }
2636                 if (!strcmp(sv.model_precache[i], filename))
2637                         return i;
2638         }
2639         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2640         return 0;
2641 }
2642
2643 /*
2644 ================
2645 SV_SoundIndex
2646
2647 ================
2648 */
2649 int SV_SoundIndex(const char *s, int precachemode)
2650 {
2651         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);
2652         char filename[MAX_QPATH];
2653         if (!s || !*s)
2654                 return 0;
2655         // testing
2656         //if (precachemode == 2)
2657         //      return 0;
2658         strlcpy(filename, s, sizeof(filename));
2659         for (i = 1;i < limit;i++)
2660         {
2661                 if (!sv.sound_precache[i][0])
2662                 {
2663                         if (precachemode)
2664                         {
2665                                 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))
2666                                 {
2667                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2668                                         return 0;
2669                                 }
2670                                 if (precachemode == 1)
2671                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2672                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2673                                 if (sv.state != ss_loading)
2674                                 {
2675                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2676                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2677                                         MSG_WriteString(&sv.reliable_datagram, filename);
2678                                 }
2679                                 return i;
2680                         }
2681                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2682                         return 0;
2683                 }
2684                 if (!strcmp(sv.sound_precache[i], filename))
2685                         return i;
2686         }
2687         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2688         return 0;
2689 }
2690
2691 /*
2692 ================
2693 SV_ParticleEffectIndex
2694
2695 ================
2696 */
2697 int SV_ParticleEffectIndex(const char *name)
2698 {
2699         int i, argc, linenumber, effectnameindex;
2700         int filepass;
2701         fs_offset_t filesize;
2702         unsigned char *filedata;
2703         const char *text, *textstart, *textend;
2704         char argv[16][1024];
2705         char filename[MAX_QPATH];
2706         if (!sv.particleeffectnamesloaded)
2707         {
2708                 sv.particleeffectnamesloaded = true;
2709                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2710                 for (i = 0;i < EFFECT_TOTAL;i++)
2711                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2712                 for (filepass = 0;;filepass++)
2713                 {
2714                         if (filepass == 0)
2715                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2716                         else if (filepass == 1)
2717                                 dpsnprintf(filename, sizeof(filename), "maps/%s_effectinfo.txt", sv.name);
2718                         else
2719                                 break;
2720                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2721                         if (!filedata)
2722                                 continue;
2723                         textstart = (const char *)filedata;
2724                         textend = (const char *)filedata + filesize;
2725                         text = textstart;
2726                         for (linenumber = 1;;linenumber++)
2727                         {
2728                                 argc = 0;
2729                                 for (;;)
2730                                 {
2731                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2732                                                 break;
2733                                         if (argc < 16)
2734                                         {
2735                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2736                                                 argc++;
2737                                         }
2738                                 }
2739                                 if (com_token[0] == 0)
2740                                         break; // if the loop exited and it's not a \n, it's EOF
2741                                 if (argc < 1)
2742                                         continue;
2743                                 if (!strcmp(argv[0], "effect"))
2744                                 {
2745                                         if (argc == 2)
2746                                         {
2747                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2748                                                 {
2749                                                         if (sv.particleeffectname[effectnameindex][0])
2750                                                         {
2751                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2752                                                                         break;
2753                                                         }
2754                                                         else
2755                                                         {
2756                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2757                                                                 break;
2758                                                         }
2759                                                 }
2760                                                 // if we run out of names, abort
2761                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2762                                                 {
2763                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2764                                                         break;
2765                                                 }
2766                                         }
2767                                 }
2768                         }
2769                         Mem_Free(filedata);
2770                 }
2771         }
2772         // search for the name
2773         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2774                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2775                         return effectnameindex;
2776         // return 0 if we couldn't find it
2777         return 0;
2778 }
2779
2780 dp_model_t *SV_GetModelByIndex(int modelindex)
2781 {
2782         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2783 }
2784
2785 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2786 {
2787         int modelindex;
2788         if (!ed || ed->priv.server->free)
2789                 return NULL;
2790         modelindex = (int)ed->fields.server->modelindex;
2791         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2792 }
2793
2794 /*
2795 ================
2796 SV_CreateBaseline
2797
2798 ================
2799 */
2800 static void SV_CreateBaseline (void)
2801 {
2802         int i, entnum, large;
2803         prvm_edict_t *svent;
2804
2805         // LordHavoc: clear *all* states (note just active ones)
2806         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2807         {
2808                 // get the current server version
2809                 svent = PRVM_EDICT_NUM(entnum);
2810
2811                 // LordHavoc: always clear state values, whether the entity is in use or not
2812                 svent->priv.server->baseline = defaultstate;
2813
2814                 if (svent->priv.server->free)
2815                         continue;
2816                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2817                         continue;
2818
2819                 // create entity baseline
2820                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2821                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2822                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2823                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2824                 if (entnum > 0 && entnum <= svs.maxclients)
2825                 {
2826                         svent->priv.server->baseline.colormap = entnum;
2827                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2828                 }
2829                 else
2830                 {
2831                         svent->priv.server->baseline.colormap = 0;
2832                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2833                 }
2834
2835                 large = false;
2836                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2837                 {
2838                         large = true;
2839                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2840                                 large = false;
2841                 }
2842
2843                 // add to the message
2844                 if (large)
2845                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2846                 else
2847                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2848                 MSG_WriteShort (&sv.signon, entnum);
2849
2850                 if (large)
2851                 {
2852                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2853                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2854                 }
2855                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2856                 {
2857                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2858                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2859                 }
2860                 else
2861                 {
2862                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2863                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2864                 }
2865                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2866                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2867                 for (i=0 ; i<3 ; i++)
2868                 {
2869                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2870                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2871                 }
2872         }
2873 }
2874
2875 /*
2876 ================
2877 SV_Prepare_CSQC
2878
2879 Load csprogs.dat and comperss it so it doesn't need to be
2880 reloaded on request.
2881 ================
2882 */
2883 void SV_Prepare_CSQC(void)
2884 {
2885         fs_offset_t progsize;
2886
2887         if(svs.csqc_progdata)
2888         {
2889                 Con_DPrintf("Unloading old CSQC data.\n");
2890                 Mem_Free(svs.csqc_progdata);
2891                 if(svs.csqc_progdata_deflated)
2892                         Mem_Free(svs.csqc_progdata_deflated);
2893         }
2894
2895         svs.csqc_progdata = NULL;
2896         svs.csqc_progdata_deflated = NULL;
2897         
2898         sv.csqc_progname[0] = 0;
2899         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2900
2901         if(progsize > 0)
2902         {
2903                 size_t deflated_size;
2904
2905                 sv.csqc_progsize = (int)progsize;
2906                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2907                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2908                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2909
2910                 Con_DPrint("Compressing csprogs.dat\n");
2911                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2912                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2913                 svs.csqc_progsize_deflated = (int)deflated_size;
2914                 if(svs.csqc_progdata_deflated)
2915                 {
2916                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2917                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2918                 }
2919                 else
2920                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2921         }
2922 }
2923
2924 /*
2925 ================
2926 SV_SaveSpawnparms
2927
2928 Grabs the current state of each client for saving across the
2929 transition to another level
2930 ================
2931 */
2932 void SV_SaveSpawnparms (void)
2933 {
2934         int             i, j;
2935
2936         svs.serverflags = (int)prog->globals.server->serverflags;
2937
2938         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2939         {
2940                 if (!host_client->active)
2941                         continue;
2942
2943         // call the progs to get default spawn parms for the new client
2944                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2945                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2946                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2947                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2948         }
2949 }
2950
2951 /*
2952 ================
2953 SV_SpawnServer
2954
2955 This is called at the start of each level
2956 ================
2957 */
2958
2959 void SV_SpawnServer (const char *server)
2960 {
2961         prvm_edict_t *ent;
2962         int i;
2963         char *entities;
2964         dp_model_t *worldmodel;
2965         char modelname[sizeof(sv.modelname)];
2966
2967         Con_DPrintf("SpawnServer: %s\n", server);
2968
2969         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2970
2971         if (!FS_FileExists(modelname))
2972         {
2973                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2974                 return;
2975         }
2976
2977         if (cls.state != ca_dedicated)
2978         {
2979                 SCR_BeginLoadingPlaque();
2980                 S_StopAllSounds();
2981         }
2982
2983         if(sv.active)
2984         {
2985                 SV_VM_Begin();
2986                 World_End(&sv.world);
2987                 if(prog->funcoffsets.SV_Shutdown)
2988                 {
2989                         func_t s = prog->funcoffsets.SV_Shutdown;
2990                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2991                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2992                 }
2993                 SV_VM_End();
2994         }
2995
2996         // free q3 shaders so that any newly downloaded shaders will be active
2997         Mod_FreeQ3Shaders();
2998
2999         worldmodel = Mod_ForName(modelname, false, true, NULL);
3000         if (!worldmodel || !worldmodel->TraceBox)
3001         {
3002                 Con_Printf("Couldn't load map %s\n", modelname);
3003                 return;
3004         }
3005
3006         // let's not have any servers with no name
3007         if (hostname.string[0] == 0)
3008                 Cvar_Set ("hostname", "UNNAMED");
3009         scr_centertime_off = 0;
3010
3011         svs.changelevel_issued = false;         // now safe to issue another
3012
3013         // make the map a required file for clients
3014         Curl_ClearRequirements();
3015         Curl_RequireFile(modelname);
3016
3017 //
3018 // tell all connected clients that we are going to a new level
3019 //
3020         if (sv.active)
3021         {
3022                 client_t *client;
3023                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3024                 {
3025                         if (client->netconnection)
3026                         {
3027                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3028                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3029                         }
3030                 }
3031         }
3032         else
3033         {
3034                 // open server port
3035                 NetConn_OpenServerPorts(true);
3036         }
3037
3038 //
3039 // make cvars consistant
3040 //
3041         if (coop.integer)
3042                 Cvar_SetValue ("deathmatch", 0);
3043         // LordHavoc: it can be useful to have skills outside the range 0-3...
3044         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3045         //Cvar_SetValue ("skill", (float)current_skill);
3046         current_skill = (int)(skill.value + 0.5);
3047
3048 //
3049 // set up the new server
3050 //
3051         memset (&sv, 0, sizeof(sv));
3052         // if running a local client, make sure it doesn't try to access the last
3053         // level's data which is no longer valiud
3054         cls.signon = 0;
3055
3056         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3057
3058         if(*sv_random_seed.string)
3059         {
3060                 srand(sv_random_seed.integer);
3061                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
3062         }
3063
3064         SV_VM_Setup();
3065
3066         sv.active = true;
3067
3068         strlcpy (sv.name, server, sizeof (sv.name));
3069
3070         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3071         if (sv.protocol == PROTOCOL_UNKNOWN)
3072         {
3073                 char buffer[1024];
3074                 Protocol_Names(buffer, sizeof(buffer));
3075                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3076                 sv.protocol = PROTOCOL_QUAKE;
3077         }
3078
3079         SV_VM_Begin();
3080
3081 // load progs to get entity field count
3082         //PR_LoadProgs ( sv_progs.string );
3083
3084         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3085         sv.datagram.cursize = 0;
3086         sv.datagram.data = sv.datagram_buf;
3087
3088         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3089         sv.reliable_datagram.cursize = 0;
3090         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3091
3092         sv.signon.maxsize = sizeof(sv.signon_buf);
3093         sv.signon.cursize = 0;
3094         sv.signon.data = sv.signon_buf;
3095
3096 // leave slots at start for clients only
3097         //prog->num_edicts = svs.maxclients+1;
3098
3099         sv.state = ss_loading;
3100         prog->allowworldwrites = true;
3101         sv.paused = false;
3102
3103         prog->globals.server->time = sv.time = 1.0;
3104
3105         Mod_ClearUsed();
3106         worldmodel->used = true;
3107
3108         strlcpy (sv.name, server, sizeof (sv.name));
3109         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3110         sv.worldmodel = worldmodel;
3111         sv.models[1] = sv.worldmodel;
3112
3113 //
3114 // clear world interaction links
3115 //
3116         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3117         World_Start(&sv.world);
3118
3119         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3120
3121         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3122         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3123         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3124         {
3125                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3126                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3127         }
3128         if(i < sv.worldmodel->brush.numsubmodels)
3129                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3130
3131 //
3132 // load the rest of the entities
3133 //
3134         // AK possible hack since num_edicts is still 0
3135         ent = PRVM_EDICT_NUM(0);
3136         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3137         ent->priv.server->free = false;
3138         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);