add cvars for world erp and cfm; remove pistons for ODE 0.9 support
[xonotic/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", "1", "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_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
96 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"};
97 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"};
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_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"};
101 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)"};
102 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)"};
103 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"};
104 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"};
105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
106 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
107 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
108 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
109 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
110 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
111 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)"};
112 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
113 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
114 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
115 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
116 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
117 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
118 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
119 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
120 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"};
121 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)"};
122 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)"};
123 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)"};
124 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
125 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
126 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
127 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"};
128 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"};
129 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
130 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)"};
131 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
132 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)"};
133 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"};
134 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
135 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"};
136 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"};
137 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
138
139 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
140 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
141 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
142 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
143 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
144 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
145 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
146 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
147 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
148 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)"};
149
150 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
151 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
152 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
153 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
154 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
155 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
156 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
157 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
158 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
159 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
160 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
161 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
162 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
163 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
171
172 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)"};
173 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)" };
174
175 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
176
177 server_t sv;
178 server_static_t svs;
179
180 mempool_t *sv_mempool = NULL;
181
182 extern cvar_t slowmo;
183 extern float            scr_centertime_off;
184
185 // MUST match effectnameindex_t in client.h
186 static const char *standardeffectnames[EFFECT_TOTAL] =
187 {
188         "",
189         "TE_GUNSHOT",
190         "TE_GUNSHOTQUAD",
191         "TE_SPIKE",
192         "TE_SPIKEQUAD",
193         "TE_SUPERSPIKE",
194         "TE_SUPERSPIKEQUAD",
195         "TE_WIZSPIKE",
196         "TE_KNIGHTSPIKE",
197         "TE_EXPLOSION",
198         "TE_EXPLOSIONQUAD",
199         "TE_TAREXPLOSION",
200         "TE_TELEPORT",
201         "TE_LAVASPLASH",
202         "TE_SMALLFLASH",
203         "TE_FLAMEJET",
204         "EF_FLAME",
205         "TE_BLOOD",
206         "TE_SPARK",
207         "TE_PLASMABURN",
208         "TE_TEI_G3",
209         "TE_TEI_SMOKE",
210         "TE_TEI_BIGEXPLOSION",
211         "TE_TEI_PLASMAHIT",
212         "EF_STARDUST",
213         "TR_ROCKET",
214         "TR_GRENADE",
215         "TR_BLOOD",
216         "TR_WIZSPIKE",
217         "TR_SLIGHTBLOOD",
218         "TR_KNIGHTSPIKE",
219         "TR_VORESPIKE",
220         "TR_NEHAHRASMOKE",
221         "TR_NEXUIZPLASMA",
222         "TR_GLOWTRAIL",
223         "SVC_PARTICLE"
224 };
225
226 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
227
228 prvm_required_field_t reqfields[] =
229 {
230         {ev_entity, "cursor_trace_ent"},
231         {ev_entity, "drawonlytoclient"},
232         {ev_entity, "exteriormodeltoclient"},
233         {ev_entity, "nodrawtoclient"},
234         {ev_entity, "tag_entity"},
235         {ev_entity, "viewmodelforclient"},
236         {ev_float, "SendFlags"},
237         {ev_float, "Version"},
238         {ev_float, "alpha"},
239         {ev_float, "ammo_cells1"},
240         {ev_float, "ammo_lava_nails"},
241         {ev_float, "ammo_multi_rockets"},
242         {ev_float, "ammo_nails1"},
243         {ev_float, "ammo_plasma"},
244         {ev_float, "ammo_rockets1"},
245         {ev_float, "ammo_shells1"},
246         {ev_float, "button3"},
247         {ev_float, "button4"},
248         {ev_float, "button5"},
249         {ev_float, "button6"},
250         {ev_float, "button7"},
251         {ev_float, "button8"},
252         {ev_float, "button9"},
253         {ev_float, "button10"},
254         {ev_float, "button11"},
255         {ev_float, "button12"},
256         {ev_float, "button13"},
257         {ev_float, "button14"},
258         {ev_float, "button15"},
259         {ev_float, "button16"},
260         {ev_float, "buttonchat"},
261         {ev_float, "buttonuse"},
262         {ev_float, "clientcolors"},
263         {ev_float, "cursor_active"},
264         {ev_float, "disableclientprediction"},
265         {ev_float, "fullbright"},
266         {ev_float, "glow_color"},
267         {ev_float, "glow_size"},
268         {ev_float, "glow_trail"},
269         {ev_float, "gravity"},
270         {ev_float, "idealpitch"},
271         {ev_float, "items2"},
272         {ev_float, "light_lev"},
273         {ev_float, "modelflags"},
274         {ev_float, "pflags"},
275         {ev_float, "ping"},
276         {ev_float, "pitch_speed"},
277         {ev_float, "pmodel"},
278         {ev_float, "renderamt"}, // HalfLife support
279         {ev_float, "rendermode"}, // HalfLife support
280         {ev_float, "scale"},
281         {ev_float, "style"},
282         {ev_float, "tag_index"},
283         {ev_float, "viewzoom"},
284         {ev_function, "SendEntity"},
285         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
286         {ev_function, "customizeentityforclient"},
287         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
288         {ev_string, "netaddress"},
289         {ev_string, "playermodel"},
290         {ev_string, "playerskin"},
291         {ev_vector, "color"},
292         {ev_vector, "colormod"},
293         {ev_vector, "cursor_screen"},
294         {ev_vector, "cursor_trace_endpos"},
295         {ev_vector, "cursor_trace_start"},
296         {ev_vector, "glowmod"},
297         {ev_vector, "movement"},
298         {ev_vector, "punchvector"},
299
300         // physics
301         //{ev_float, "solid"},
302         //{ev_float, "movetype"},
303         //{ev_float, "modelindex"},
304         {ev_vector, "mass"},
305         //{ev_vector, "origin"},
306         //{ev_vector, "velocity"},
307         //{ev_vector, "axis_forward"},
308         //{ev_vector, "axis_left"},
309         //{ev_vector, "axis_up"},
310         //{ev_vector, "spinvelocity"},
311         //{ev_vector, "angles"},
312         //{ev_vector, "avelocity"},
313
314 };
315
316
317
318 //============================================================================
319
320 void SV_AreaStats_f(void)
321 {
322         World_PrintAreaStats(&sv.world, "server");
323 }
324
325 /*
326 ===============
327 SV_Init
328 ===============
329 */
330 void SV_Init (void)
331 {
332         // init the csqc progs cvars, since they are updated/used by the server code
333         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
334         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
335         extern cvar_t csqc_progcrc;
336         extern cvar_t csqc_progsize;
337         Cvar_RegisterVariable (&csqc_progname);
338         Cvar_RegisterVariable (&csqc_progcrc);
339         Cvar_RegisterVariable (&csqc_progsize);
340
341         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
342         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
343         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
344         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
345
346         Cvar_RegisterVariable (&coop);
347         Cvar_RegisterVariable (&deathmatch);
348         Cvar_RegisterVariable (&fraglimit);
349         Cvar_RegisterVariable (&gamecfg);
350         Cvar_RegisterVariable (&noexit);
351         Cvar_RegisterVariable (&nomonsters);
352         Cvar_RegisterVariable (&pausable);
353         Cvar_RegisterVariable (&pr_checkextension);
354         Cvar_RegisterVariable (&samelevel);
355         Cvar_RegisterVariable (&skill);
356         Cvar_RegisterVariable (&slowmo);
357         Cvar_RegisterVariable (&sv_accelerate);
358         Cvar_RegisterVariable (&sv_aim);
359         Cvar_RegisterVariable (&sv_airaccel_qw);
360         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
361         Cvar_RegisterVariable (&sv_airaccelerate);
362         Cvar_RegisterVariable (&sv_airstopaccelerate);
363         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
364         Cvar_RegisterVariable (&sv_maxairstrafespeed);
365         Cvar_RegisterVariable (&sv_aircontrol);
366         Cvar_RegisterVariable (&sv_allowdownloads);
367         Cvar_RegisterVariable (&sv_allowdownloads_archive);
368         Cvar_RegisterVariable (&sv_allowdownloads_config);
369         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
370         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
371         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
372         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
373         Cvar_RegisterVariable (&sv_clmovement_enable);
374         Cvar_RegisterVariable (&sv_clmovement_minping);
375         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
376         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
377         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
378         Cvar_RegisterVariable (&sv_cullentities_pvs);
379         Cvar_RegisterVariable (&sv_cullentities_stats);
380         Cvar_RegisterVariable (&sv_cullentities_trace);
381         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
382         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
383         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
384         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
385         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
386         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
387         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
388         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
389         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
390         Cvar_RegisterVariable (&sv_debugmove);
391         Cvar_RegisterVariable (&sv_echobprint);
392         Cvar_RegisterVariable (&sv_edgefriction);
393         Cvar_RegisterVariable (&sv_entpatch);
394         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
395         Cvar_RegisterVariable (&sv_freezenonclients);
396         Cvar_RegisterVariable (&sv_friction);
397         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
398         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
399         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
400         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
401         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
402         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
403         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
404         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
405         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
406         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
407         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
408         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
409         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
410         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
411         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
412         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
413         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
414         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
415         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
416         Cvar_RegisterVariable (&sv_gravity);
417         Cvar_RegisterVariable (&sv_idealpitchscale);
418         Cvar_RegisterVariable (&sv_jumpstep);
419         Cvar_RegisterVariable (&sv_jumpvelocity);
420         Cvar_RegisterVariable (&sv_maxairspeed);
421         Cvar_RegisterVariable (&sv_maxrate);
422         Cvar_RegisterVariable (&sv_maxspeed);
423         Cvar_RegisterVariable (&sv_maxvelocity);
424         Cvar_RegisterVariable (&sv_newflymove);
425         Cvar_RegisterVariable (&sv_nostep);
426         Cvar_RegisterVariable (&sv_playerphysicsqc);
427         Cvar_RegisterVariable (&sv_progs);
428         Cvar_RegisterVariable (&sv_protocolname);
429         Cvar_RegisterVariable (&sv_random_seed);
430         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
431         Cvar_RegisterVariable (&sv_sound_land);
432         Cvar_RegisterVariable (&sv_sound_watersplash);
433         Cvar_RegisterVariable (&sv_stepheight);
434         Cvar_RegisterVariable (&sv_stopspeed);
435         Cvar_RegisterVariable (&sv_wallfriction);
436         Cvar_RegisterVariable (&sv_wateraccelerate);
437         Cvar_RegisterVariable (&sv_waterfriction);
438         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
439         Cvar_RegisterVariable (&sv_warsowbunny_accel);
440         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
441         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
442         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
443         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
444         Cvar_RegisterVariable (&sys_ticrate);
445         Cvar_RegisterVariable (&teamplay);
446         Cvar_RegisterVariable (&timelimit);
447
448         Cvar_RegisterVariable (&saved1);
449         Cvar_RegisterVariable (&saved2);
450         Cvar_RegisterVariable (&saved3);
451         Cvar_RegisterVariable (&saved4);
452         Cvar_RegisterVariable (&savedgamecfg);
453         Cvar_RegisterVariable (&scratch1);
454         Cvar_RegisterVariable (&scratch2);
455         Cvar_RegisterVariable (&scratch3);
456         Cvar_RegisterVariable (&scratch4);
457         Cvar_RegisterVariable (&temp1);
458
459         // LordHavoc: Nehahra uses these to pass data around cutscene demos
460         if (gamemode == GAME_NEHAHRA)
461         {
462                 Cvar_RegisterVariable (&nehx00);
463                 Cvar_RegisterVariable (&nehx01);
464                 Cvar_RegisterVariable (&nehx02);
465                 Cvar_RegisterVariable (&nehx03);
466                 Cvar_RegisterVariable (&nehx04);
467                 Cvar_RegisterVariable (&nehx05);
468                 Cvar_RegisterVariable (&nehx06);
469                 Cvar_RegisterVariable (&nehx07);
470                 Cvar_RegisterVariable (&nehx08);
471                 Cvar_RegisterVariable (&nehx09);
472                 Cvar_RegisterVariable (&nehx10);
473                 Cvar_RegisterVariable (&nehx11);
474                 Cvar_RegisterVariable (&nehx12);
475                 Cvar_RegisterVariable (&nehx13);
476                 Cvar_RegisterVariable (&nehx14);
477                 Cvar_RegisterVariable (&nehx15);
478                 Cvar_RegisterVariable (&nehx16);
479                 Cvar_RegisterVariable (&nehx17);
480                 Cvar_RegisterVariable (&nehx18);
481                 Cvar_RegisterVariable (&nehx19);
482         }
483         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
484
485         Cvar_RegisterVariable (&sv_autodemo_perclient);
486         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
487
488         Cvar_RegisterVariable (&halflifebsp);
489
490         // any special defaults for gamemodes go here
491         if (gamemode == GAME_NEHAHRA)
492         {
493                 // Nehahra pushable crates malfunction in some levels if this is on
494                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
495                 // Nehahra NPC AI is confused by this feature
496                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
497         }
498         if (gamemode == GAME_HIPNOTIC)
499         {
500                 // 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.
501                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
502                 // 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
503                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
504                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.                                                                                     
505                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);                                                                                                                                   
506         }
507         if (gamemode == GAME_ROGUE)
508         {
509                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
510                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
511         }
512         if (gamemode == GAME_NEXUIZ)
513         {
514                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
515                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
516         }
517
518         sv_mempool = Mem_AllocPool("server", 0, NULL);
519 }
520
521 static void SV_SaveEntFile_f(void)
522 {
523         char basename[MAX_QPATH];
524         if (!sv.active || !sv.worldmodel)
525         {
526                 Con_Print("Not running a server\n");
527                 return;
528         }
529         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
530         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
531 }
532
533
534 /*
535 =============================================================================
536
537 EVENT MESSAGES
538
539 =============================================================================
540 */
541
542 /*
543 ==================
544 SV_StartParticle
545
546 Make sure the event gets sent to all clients
547 ==================
548 */
549 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
550 {
551         int i;
552
553         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
554                 return;
555         MSG_WriteByte (&sv.datagram, svc_particle);
556         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
557         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
558         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
559         for (i=0 ; i<3 ; i++)
560                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
561         MSG_WriteByte (&sv.datagram, count);
562         MSG_WriteByte (&sv.datagram, color);
563         SV_FlushBroadcastMessages();
564 }
565
566 /*
567 ==================
568 SV_StartEffect
569
570 Make sure the event gets sent to all clients
571 ==================
572 */
573 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
574 {
575         if (modelindex >= 256 || startframe >= 256)
576         {
577                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
578                         return;
579                 MSG_WriteByte (&sv.datagram, svc_effect2);
580                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
581                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
582                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
583                 MSG_WriteShort (&sv.datagram, modelindex);
584                 MSG_WriteShort (&sv.datagram, startframe);
585                 MSG_WriteByte (&sv.datagram, framecount);
586                 MSG_WriteByte (&sv.datagram, framerate);
587         }
588         else
589         {
590                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
591                         return;
592                 MSG_WriteByte (&sv.datagram, svc_effect);
593                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
594                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
595                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
596                 MSG_WriteByte (&sv.datagram, modelindex);
597                 MSG_WriteByte (&sv.datagram, startframe);
598                 MSG_WriteByte (&sv.datagram, framecount);
599                 MSG_WriteByte (&sv.datagram, framerate);
600         }
601         SV_FlushBroadcastMessages();
602 }
603
604 /*
605 ==================
606 SV_StartSound
607
608 Each entity can have eight independant sound sources, like voice,
609 weapon, feet, etc.
610
611 Channel 0 is an auto-allocate channel, the others override anything
612 already running on that entity/channel pair.
613
614 An attenuation of 0 will play full volume everywhere in the level.
615 Larger attenuations will drop off.  (max 4 attenuation)
616
617 ==================
618 */
619 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
620 {
621         int sound_num, field_mask, i, ent;
622
623         if (volume < 0 || volume > 255)
624         {
625                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
626                 return;
627         }
628
629         if (attenuation < 0 || attenuation > 4)
630         {
631                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
632                 return;
633         }
634
635         if (channel < 0 || channel > 7)
636         {
637                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
638                 return;
639         }
640
641         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
642                 return;
643
644 // find precache number for sound
645         sound_num = SV_SoundIndex(sample, 1);
646         if (!sound_num)
647                 return;
648
649         ent = PRVM_NUM_FOR_EDICT(entity);
650
651         field_mask = 0;
652         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
653                 field_mask |= SND_VOLUME;
654         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
655                 field_mask |= SND_ATTENUATION;
656         if (ent >= 8192)
657                 field_mask |= SND_LARGEENTITY;
658         if (sound_num >= 256 || channel >= 8)
659                 field_mask |= SND_LARGESOUND;
660
661 // directed messages go only to the entity they are targeted on
662         MSG_WriteByte (&sv.datagram, svc_sound);
663         MSG_WriteByte (&sv.datagram, field_mask);
664         if (field_mask & SND_VOLUME)
665                 MSG_WriteByte (&sv.datagram, volume);
666         if (field_mask & SND_ATTENUATION)
667                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
668         if (field_mask & SND_LARGEENTITY)
669         {
670                 MSG_WriteShort (&sv.datagram, ent);
671                 MSG_WriteByte (&sv.datagram, channel);
672         }
673         else
674                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
675         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
676                 MSG_WriteShort (&sv.datagram, sound_num);
677         else
678                 MSG_WriteByte (&sv.datagram, sound_num);
679         for (i = 0;i < 3;i++)
680                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
681         SV_FlushBroadcastMessages();
682 }
683
684 /*
685 ==================
686 SV_StartPointSound
687
688 Nearly the same logic as SV_StartSound, except an origin
689 instead of an entity is provided and channel is omitted.
690
691 The entity sent to the client is 0 (world) and the channel
692 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
693 function, therefore the check for it is omitted.
694
695 ==================
696 */
697 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
698 {
699         int sound_num, field_mask, i;
700
701         if (volume < 0 || volume > 255)
702         {
703                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
704                 return;
705         }
706
707         if (attenuation < 0 || attenuation > 4)
708         {
709                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
710                 return;
711         }
712
713         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
714                 return;
715
716         // find precache number for sound
717         sound_num = SV_SoundIndex(sample, 1);
718         if (!sound_num)
719                 return;
720
721         field_mask = 0;
722         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
723                 field_mask |= SND_VOLUME;
724         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
725                 field_mask |= SND_ATTENUATION;
726         if (sound_num >= 256)
727                 field_mask |= SND_LARGESOUND;
728
729 // directed messages go only to the entity they are targeted on
730         MSG_WriteByte (&sv.datagram, svc_sound);
731         MSG_WriteByte (&sv.datagram, field_mask);
732         if (field_mask & SND_VOLUME)
733                 MSG_WriteByte (&sv.datagram, volume);
734         if (field_mask & SND_ATTENUATION)
735                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
736         // Always write entnum 0 for the world entity
737         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
738         if (field_mask & SND_LARGESOUND)
739                 MSG_WriteShort (&sv.datagram, sound_num);
740         else
741                 MSG_WriteByte (&sv.datagram, sound_num);
742         for (i = 0;i < 3;i++)
743                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
744         SV_FlushBroadcastMessages();
745 }
746
747 /*
748 ==============================================================================
749
750 CLIENT SPAWNING
751
752 ==============================================================================
753 */
754
755 /*
756 ================
757 SV_SendServerinfo
758
759 Sends the first message from the server to a connected client.
760 This will be sent on the initial connection and upon each server load.
761 ================
762 */
763 void SV_SendServerinfo (client_t *client)
764 {
765         int i;
766         char message[128];
767
768         // we know that this client has a netconnection and thus is not a bot
769
770         // edicts get reallocated on level changes, so we need to update it here
771         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
772
773         // clear cached stuff that depends on the level
774         client->weaponmodel[0] = 0;
775         client->weaponmodelindex = 0;
776
777         // LordHavoc: clear entityframe tracking
778         client->latestframenum = 0;
779
780         // initialize the movetime, so a speedhack can't make use of the time before this client joined
781         client->cmd.time = sv.time;
782
783         if (client->entitydatabase)
784                 EntityFrame_FreeDatabase(client->entitydatabase);
785         if (client->entitydatabase4)
786                 EntityFrame4_FreeDatabase(client->entitydatabase4);
787         if (client->entitydatabase5)
788                 EntityFrame5_FreeDatabase(client->entitydatabase5);
789
790         memset(client->stats, 0, sizeof(client->stats));
791         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
792
793         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)
794         {
795                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
796                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
797                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
798                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
799                 else
800                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
801         }
802
803         // reset csqc entity versions
804         for (i = 0;i < prog->max_edicts;i++)
805         {
806                 client->csqcentityscope[i] = 0;
807                 client->csqcentitysendflags[i] = 0xFFFFFF;
808                 client->csqcentityglobalhistory[i] = 0;
809         }
810         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
811         {
812                 client->csqcentityframehistory[i].num = 0;
813                 client->csqcentityframehistory[i].framenum = -1;
814         }
815         client->csqcnumedicts = 0;
816         client->csqcentityframehistory_next = 0;
817
818         SZ_Clear (&client->netconnection->message);
819         MSG_WriteByte (&client->netconnection->message, svc_print);
820         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
821         MSG_WriteString (&client->netconnection->message,message);
822
823         SV_StopDemoRecording(client); // to split up demos into different files
824         if(sv_autodemo_perclient.integer && client->netconnection)
825         {
826                 char demofile[MAX_OSPATH];
827                 char levelname[MAX_QPATH];
828                 char ipaddress[MAX_QPATH];
829                 size_t i;
830
831                 // start a new demo file
832                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
833                 if (strrchr(levelname, '.'))
834                         *(strrchr(levelname, '.')) = 0;
835
836                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
837                 for(i = 0; ipaddress[i]; ++i)
838                         if(!isalnum(ipaddress[i]))
839                                 ipaddress[i] = '-';
840                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
841
842                 SV_StartDemoRecording(client, demofile, -1);
843         }
844
845         //[515]: init csprogs according to version of svprogs, check the crc, etc.
846         if (sv.csqc_progname[0])
847         {
848                 prvm_eval_t *val;
849                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
850                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
851                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
852                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
853                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
854                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
855                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
856
857                 if(client->sv_demo_file != NULL)
858                 {
859                         int i;
860                         char buf[NET_MAXMESSAGE];
861                         sizebuf_t sb;
862
863                         sb.data = (unsigned char *) buf;
864                         sb.maxsize = sizeof(buf);
865                         i = 0;
866                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
867                                 SV_WriteDemoMessage(client, &sb, false);
868                 }
869
870                 //[515]: init stufftext string (it is sent before svc_serverinfo)
871                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
872                 if (val)
873                 {
874                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
875                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
876                 }
877         }
878
879         //if (sv_allowdownloads.integer)
880         // always send the info that the server supports the protocol, even if downloads are forbidden
881         // only because of that, the CSQC exception can work
882         {
883                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
884                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
885         }
886
887         // send at this time so it's guaranteed to get executed at the right time
888         {
889                 client_t *save;
890                 save = host_client;
891                 host_client = client;
892                 Curl_SendRequirements();
893                 host_client = save;
894         }
895
896         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
897         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
898         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
899
900         if (!coop.integer && deathmatch.integer)
901                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
902         else
903                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
904
905         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
906
907         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
908                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
909         MSG_WriteByte (&client->netconnection->message, 0);
910
911         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
912                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
913         MSG_WriteByte (&client->netconnection->message, 0);
914
915 // send music
916         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
917         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
918         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
919
920 // set view
921 // store this in clientcamera, too
922         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
923         MSG_WriteByte (&client->netconnection->message, svc_setview);
924         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
925
926         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
927         MSG_WriteByte (&client->netconnection->message, 1);
928
929         client->spawned = false;                // need prespawn, spawn, etc
930         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
931
932         // clear movement info until client enters the new level properly
933         memset(&client->cmd, 0, sizeof(client->cmd));
934         client->movesequence = 0;
935 #ifdef NUM_PING_TIMES
936         for (i = 0;i < NUM_PING_TIMES;i++)
937                 client->ping_times[i] = 0;
938         client->num_pings = 0;
939 #endif
940         client->ping = 0;
941
942         // allow the client some time to send his keepalives, even if map loading took ages
943         client->netconnection->timeout = realtime + net_connecttimeout.value;
944 }
945
946 /*
947 ================
948 SV_ConnectClient
949
950 Initializes a client_t for a new net connection.  This will only be called
951 once for a player each game, not once for each level change.
952 ================
953 */
954 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
955 {
956         client_t                *client;
957         int                             i;
958         float                   spawn_parms[NUM_SPAWN_PARMS];
959
960         client = svs.clients + clientnum;
961
962 // set up the client_t
963         if (sv.loadgame)
964                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
965         memset (client, 0, sizeof(*client));
966         client->active = true;
967         client->netconnection = netconnection;
968
969         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
970
971         strlcpy(client->name, "unconnected", sizeof(client->name));
972         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
973         client->spawned = false;
974         client->edict = PRVM_EDICT_NUM(clientnum+1);
975         if (client->netconnection)
976                 client->netconnection->message.allowoverflow = true;            // we can catch it
977         // prepare the unreliable message buffer
978         client->unreliablemsg.data = client->unreliablemsg_data;
979         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
980         // updated by receiving "rate" command from client, this is also the default if not using a DP client
981         client->rate = 1000000000;
982         // no limits for local player
983         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
984                 client->rate = 1000000000;
985         client->connecttime = realtime;
986
987         if (sv.loadgame)
988                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
989         else
990         {
991                 // call the progs to get default spawn parms for the new client
992                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
993                 prog->globals.server->self = 0;
994                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
995                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
996                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
997
998                 // set up the entity for this client (including .colormap, .team, etc)
999                 PRVM_ED_ClearEdict(client->edict);
1000         }
1001
1002         // don't call SendServerinfo for a fresh botclient because its fields have
1003         // not been set up by the qc yet
1004         if (client->netconnection)
1005                 SV_SendServerinfo (client);
1006         else
1007                 client->spawned = true;
1008 }
1009
1010
1011 /*
1012 ===============================================================================
1013
1014 FRAME UPDATES
1015
1016 ===============================================================================
1017 */
1018
1019 /*
1020 =============================================================================
1021
1022 The PVS must include a small area around the client to allow head bobbing
1023 or other small motion on the client side.  Otherwise, a bob might cause an
1024 entity that should be visible to not show up, especially when the bob
1025 crosses a waterline.
1026
1027 =============================================================================
1028 */
1029
1030 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1031 {
1032         int i;
1033         unsigned int sendflags;
1034         unsigned int version;
1035         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1036         unsigned int customizeentityforclient;
1037         unsigned int sendentity;
1038         float f;
1039         vec3_t cullmins, cullmaxs;
1040         dp_model_t *model;
1041         prvm_eval_t *val, *val2;
1042
1043         // fast path for games that do not use legacy entity networking
1044         // note: still networks clients even if they are legacy
1045         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1046         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1047                 return false;
1048
1049         // this 2 billion unit check is actually to detect NAN origins
1050         // (we really don't want to send those)
1051         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1052                 return false;
1053
1054         // EF_NODRAW prevents sending for any reason except for your own
1055         // client, so we must keep all clients in this superset
1056         effects = (unsigned)ent->fields.server->effects;
1057
1058         // we can omit invisible entities with no effects that are not clients
1059         // LordHavoc: this could kill tags attached to an invisible entity, I
1060         // just hope we never have to support that case
1061         i = (int)ent->fields.server->modelindex;
1062         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1063
1064         flags = 0;
1065         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1066         glowsize = (unsigned char)bound(0, i, 255);
1067         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1068                 flags |= RENDER_GLOWTRAIL;
1069         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1070                 flags |= RENDER_VIEWMODEL;
1071
1072         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1073         light[0] = (unsigned short)bound(0, f, 65535);
1074         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1075         light[1] = (unsigned short)bound(0, f, 65535);
1076         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1077         light[2] = (unsigned short)bound(0, f, 65535);
1078         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1079         light[3] = (unsigned short)bound(0, f, 65535);
1080         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1081         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1082
1083         if (gamemode == GAME_TENEBRAE)
1084         {
1085                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1086                 if (effects & 16)
1087                 {
1088                         effects &= ~16;
1089                         lightpflags |= PFLAGS_FULLDYNAMIC;
1090                 }
1091                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1092                 if (effects & 32)
1093                 {
1094                         effects &= ~32;
1095                         light[0] = (int)(0.2*256);
1096                         light[1] = (int)(1.0*256);
1097                         light[2] = (int)(0.2*256);
1098                         light[3] = 200;
1099                         lightpflags |= PFLAGS_FULLDYNAMIC;
1100                 }
1101         }
1102
1103         specialvisibilityradius = 0;
1104         if (lightpflags & PFLAGS_FULLDYNAMIC)
1105                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1106         if (glowsize)
1107                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1108         if (flags & RENDER_GLOWTRAIL)
1109                 specialvisibilityradius = max(specialvisibilityradius, 100);
1110         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1111         {
1112                 if (effects & EF_BRIGHTFIELD)
1113                         specialvisibilityradius = max(specialvisibilityradius, 80);
1114                 if (effects & EF_MUZZLEFLASH)
1115                         specialvisibilityradius = max(specialvisibilityradius, 100);
1116                 if (effects & EF_BRIGHTLIGHT)
1117                         specialvisibilityradius = max(specialvisibilityradius, 400);
1118                 if (effects & EF_DIMLIGHT)
1119                         specialvisibilityradius = max(specialvisibilityradius, 200);
1120                 if (effects & EF_RED)
1121                         specialvisibilityradius = max(specialvisibilityradius, 200);
1122                 if (effects & EF_BLUE)
1123                         specialvisibilityradius = max(specialvisibilityradius, 200);
1124                 if (effects & EF_FLAME)
1125                         specialvisibilityradius = max(specialvisibilityradius, 250);
1126                 if (effects & EF_STARDUST)
1127                         specialvisibilityradius = max(specialvisibilityradius, 100);
1128         }
1129
1130         // early culling checks
1131         // (final culling is done by SV_MarkWriteEntityStateToClient)
1132         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1133         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1134                 return false;
1135
1136         *cs = defaultstate;
1137         cs->active = ACTIVE_NETWORK;
1138         cs->number = enumber;
1139         VectorCopy(ent->fields.server->origin, cs->origin);
1140         VectorCopy(ent->fields.server->angles, cs->angles);
1141         cs->flags = flags;
1142         cs->effects = effects;
1143         cs->colormap = (unsigned)ent->fields.server->colormap;
1144         cs->modelindex = modelindex;
1145         cs->skin = (unsigned)ent->fields.server->skin;
1146         cs->frame = (unsigned)ent->fields.server->frame;
1147         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1148         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1149         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1150         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1151         cs->customizeentityforclient = customizeentityforclient;
1152         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1153         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1154         cs->glowsize = glowsize;
1155
1156         // don't need to init cs->colormod because the defaultstate did that for us
1157         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1158         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1159         if (val->vector[0] || val->vector[1] || val->vector[2])
1160         {
1161                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1162                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1163                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1164         }
1165
1166         // don't need to init cs->glowmod because the defaultstate did that for us
1167         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1168         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1169         if (val->vector[0] || val->vector[1] || val->vector[2])
1170         {
1171                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1172                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1173                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1174         }
1175
1176         cs->modelindex = modelindex;
1177
1178         cs->alpha = 255;
1179         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1180         if (f)
1181         {
1182                 i = (int)f;
1183                 cs->alpha = (unsigned char)bound(0, i, 255);
1184         }
1185         // halflife
1186         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1187         if (f)
1188         {
1189                 i = (int)f;
1190                 cs->alpha = (unsigned char)bound(0, i, 255);
1191         }
1192
1193         cs->scale = 16;
1194         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1195         if (f)
1196         {
1197                 i = (int)f;
1198                 cs->scale = (unsigned char)bound(0, i, 255);
1199         }
1200
1201         cs->glowcolor = 254;
1202         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1203         if (f)
1204                 cs->glowcolor = (int)f;
1205
1206         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1207                 cs->effects |= EF_FULLBRIGHT;
1208
1209         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1210         if (val && val->_float)
1211                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1212
1213         if (ent->fields.server->movetype == MOVETYPE_STEP)
1214                 cs->flags |= RENDER_STEP;
1215         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)
1216                 cs->flags |= RENDER_LOWPRECISION;
1217         if (ent->fields.server->colormap >= 1024)
1218                 cs->flags |= RENDER_COLORMAPPED;
1219         if (cs->viewmodelforclient)
1220                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1221
1222         cs->light[0] = light[0];
1223         cs->light[1] = light[1];
1224         cs->light[2] = light[2];
1225         cs->light[3] = light[3];
1226         cs->lightstyle = lightstyle;
1227         cs->lightpflags = lightpflags;
1228
1229         cs->specialvisibilityradius = specialvisibilityradius;
1230
1231         // calculate the visible box of this entity (don't use the physics box
1232         // as that is often smaller than a model, and would not count
1233         // specialvisibilityradius)
1234         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1235         {
1236                 float scale = cs->scale * (1.0f / 16.0f);
1237                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1238                 {
1239                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1240                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1241                 }
1242                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1243                 {
1244                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1245                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1246                 }
1247                 else
1248                 {
1249                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1250                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1251                 }
1252         }
1253         else
1254         {
1255                 // if there is no model (or it could not be loaded), use the physics box
1256                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1257                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1258         }
1259         if (specialvisibilityradius)
1260         {
1261                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1262                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1263                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1264                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1265                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1266                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1267         }
1268
1269         // calculate center of bbox for network prioritization purposes
1270         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1271
1272         // if culling box has moved, update pvs cluster links
1273         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1274         {
1275                 VectorCopy(cullmins, ent->priv.server->cullmins);
1276                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1277                 // a value of -1 for pvs_numclusters indicates that the links are not
1278                 // cached, and should be re-tested each time, this is the case if the
1279                 // culling box touches too many pvs clusters to store, or if the world
1280                 // model does not support FindBoxClusters
1281                 ent->priv.server->pvs_numclusters = -1;
1282                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1283                 {
1284                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1285                         if (i <= MAX_ENTITYCLUSTERS)
1286                                 ent->priv.server->pvs_numclusters = i;
1287                 }
1288         }
1289
1290         // we need to do some csqc entity upkeep here
1291         // get self.SendFlags and clear them
1292         // (to let the QC know that they've been read)
1293         if (sendentity)
1294         {
1295                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1296                 sendflags = (unsigned int)val->_float;
1297                 val->_float = 0;
1298                 // legacy self.Version system
1299                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1300                 if (val2->_float)
1301                 {
1302                         version = (unsigned int)val2->_float;
1303                         if (sv.csqcentityversion[enumber] != version)
1304                                 sendflags = 0xFFFFFF;
1305                         sv.csqcentityversion[enumber] = version;
1306                 }
1307                 // move sendflags into the per-client sendflags
1308                 if (sendflags)
1309                         for (i = 0;i < svs.maxclients;i++)
1310                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1311                 // mark it as inactive for non-csqc networking
1312                 cs->active = ACTIVE_SHARED;
1313         }
1314
1315         return true;
1316 }
1317
1318 void SV_PrepareEntitiesForSending(void)
1319 {
1320         int e;
1321         prvm_edict_t *ent;
1322         // send all entities that touch the pvs
1323         sv.numsendentities = 0;
1324         sv.sendentitiesindex[0] = NULL;
1325         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1326         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1327         {
1328                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1329                 {
1330                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1331                         sv.numsendentities++;
1332                 }
1333         }
1334 }
1335
1336 #define MAX_LINEOFSIGHTTRACES 64
1337
1338 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1339 {
1340         float pitchsign;
1341         float alpha;
1342         float starttransformed[3], endtransformed[3];
1343         int blocked = 0;
1344         int traceindex;
1345         int originalnumtouchedicts;
1346         int numtouchedicts = 0;
1347         int touchindex;
1348         matrix4x4_t matrix, imatrix;
1349         dp_model_t *model;
1350         prvm_edict_t *touch;
1351         prvm_edict_t *touchedicts[MAX_EDICTS];
1352         unsigned int modelindex;
1353         vec3_t boxmins, boxmaxs;
1354         vec3_t clipboxmins, clipboxmaxs;
1355         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1356
1357         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1358
1359         // expand the box a little
1360         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1361         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1362         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1363         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1364         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1365         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1366
1367         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1368         for (traceindex = 1;traceindex < numtraces;traceindex++)
1369                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1370
1371         // calculate sweep box for the entire swarm of traces
1372         VectorCopy(eye, clipboxmins);
1373         VectorCopy(eye, clipboxmaxs);
1374         for (traceindex = 0;traceindex < numtraces;traceindex++)
1375         {
1376                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1377                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1378                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1379                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1380                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1381                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1382         }
1383
1384         // get the list of entities in the sweep box
1385         if (sv_cullentities_trace_entityocclusion.integer)
1386                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1387         if (numtouchedicts > MAX_EDICTS)
1388         {
1389                 // this never happens
1390                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1391                 numtouchedicts = MAX_EDICTS;
1392         }
1393         // iterate the entities found in the sweep box and filter them
1394         originalnumtouchedicts = numtouchedicts;
1395         numtouchedicts = 0;
1396         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1397         {
1398                 touch = touchedicts[touchindex];
1399                 if (touch->fields.server->solid != SOLID_BSP)
1400                         continue;
1401                 modelindex = (unsigned int)touch->fields.server->modelindex;
1402                 if (!modelindex)
1403                         continue;
1404                 if (modelindex >= MAX_MODELS)
1405                         continue; // error?
1406                 model = sv.models[(int)touch->fields.server->modelindex];
1407                 if (!model->brush.TraceLineOfSight)
1408                         continue;
1409                 // skip obviously transparent entities
1410                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1411                 if (alpha && alpha < 1)
1412                         continue;
1413                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1414                         continue;
1415                 touchedicts[numtouchedicts++] = touch;
1416         }
1417
1418         // now that we have a filtered list of "interesting" entities, fire each
1419         // ray against all of them, this gives us an early-out case when something
1420         // is visible (which it often is)
1421
1422         for (traceindex = 0;traceindex < numtraces;traceindex++)
1423         {
1424                 // check world occlusion
1425                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1426                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1427                                 continue;
1428                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1429                 {
1430                         touch = touchedicts[touchindex];
1431                         modelindex = (unsigned int)touch->fields.server->modelindex;
1432                         model = (modelindex >= 1 && modelindex < MAX_MODELS) ? sv.models[(int)touch->fields.server->modelindex] : NULL;
1433                         if(model && model->brush.TraceLineOfSight)
1434                         {
1435                                 // get the entity matrix
1436                                 pitchsign = SV_GetPitchSign(touch);
1437                                 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);
1438                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1439                                 // see if the ray hits this entity
1440                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1441                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1442                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1443                                 {
1444                                         blocked++;
1445                                         break;
1446                                 }
1447                         }
1448                 }
1449                 // check if the ray was blocked
1450                 if (touchindex < numtouchedicts)
1451                         continue;
1452                 // return if the ray was not blocked
1453                 return true;
1454         }
1455
1456         // no rays survived
1457         return false;
1458 }
1459
1460 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1461 {
1462         int isbmodel;
1463         dp_model_t *model;
1464         prvm_edict_t *ed;
1465         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1466                 return;
1467         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1468         sv.writeentitiestoclient_stats_totalentities++;
1469
1470         if (s->customizeentityforclient)
1471         {
1472                 prog->globals.server->self = s->number;
1473                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1474                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1475                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1476                         return;
1477         }
1478
1479         // never reject player
1480         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1481         {
1482                 // check various rejection conditions
1483                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1484                         return;
1485                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1486                         return;
1487                 if (s->effects & EF_NODRAW)
1488                         return;
1489                 // LordHavoc: only send entities with a model or important effects
1490                 if (!s->modelindex && s->specialvisibilityradius == 0)
1491                         return;
1492
1493                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1494                 // viewmodels don't have visibility checking
1495                 if (s->viewmodelforclient)
1496                 {
1497                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1498                                 return;
1499                 }
1500                 else if (s->tagentity)
1501                 {
1502                         // tag attached entities simply check their parent
1503                         if (!sv.sendentitiesindex[s->tagentity])
1504                                 return;
1505                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1506                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1507                                 return;
1508                 }
1509                 // always send world submodels in newer protocols because they don't
1510                 // generate much traffic (in old protocols they hog bandwidth)
1511                 // but only if sv_cullentities_nevercullbmodels is off
1512                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1513                 {
1514                         // entity has survived every check so far, check if visible
1515                         ed = PRVM_EDICT_NUM(s->number);
1516
1517                         // if not touching a visible leaf
1518                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1519                         {
1520                                 if (ed->priv.server->pvs_numclusters < 0)
1521                                 {
1522                                         // entity too big for clusters list
1523                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1524                                         {
1525                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1526                                                 return;
1527                                         }
1528                                 }
1529                                 else
1530                                 {
1531                                         int i;
1532                                         // check cached clusters list
1533                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1534                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1535                                                         break;
1536                                         if (i == ed->priv.server->pvs_numclusters)
1537                                         {
1538                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1539                                                 return;
1540                                         }
1541                                 }
1542                         }
1543
1544                         // or not seen by random tracelines
1545                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1546                         {
1547                                 int samples =
1548                                         s->number <= svs.maxclients
1549                                                 ? sv_cullentities_trace_samples_players.integer
1550                                                 :
1551                                         s->specialvisibilityradius
1552                                                 ? sv_cullentities_trace_samples_extra.integer
1553                                                 : sv_cullentities_trace_samples.integer;
1554                                 float enlarge = sv_cullentities_trace_enlarge.value;
1555
1556                                 if(samples > 0)
1557                                 {
1558                                         int eyeindex;
1559                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1560                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1561                                                         break;
1562                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1563                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1564                                                         realtime + (
1565                                                                 s->number <= svs.maxclients
1566                                                                         ? sv_cullentities_trace_delay_players.value
1567                                                                         : sv_cullentities_trace_delay.value
1568                                                         );
1569                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1570                                         {
1571                                                 sv.writeentitiestoclient_stats_culled_trace++;
1572                                                 return;
1573                                         }
1574                                 }
1575                         }
1576                 }
1577         }
1578
1579         // this just marks it for sending
1580         // FIXME: it would be more efficient to send here, but the entity
1581         // compressor isn't that flexible
1582         sv.writeentitiestoclient_stats_visibleentities++;
1583         sv.sententities[s->number] = sv.sententitiesmark;
1584 }
1585
1586 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1587 {
1588         qboolean need_empty = false;
1589         int i, numsendstates, numcsqcsendstates;
1590         entity_state_t *s;
1591         prvm_edict_t *camera;
1592         qboolean success;
1593         vec3_t eye;
1594
1595         // if there isn't enough space to accomplish anything, skip it
1596         if (msg->cursize + 25 > maxsize)
1597                 return;
1598
1599         sv.writeentitiestoclient_msg = msg;
1600         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1601
1602         sv.writeentitiestoclient_stats_culled_pvs = 0;
1603         sv.writeentitiestoclient_stats_culled_trace = 0;
1604         sv.writeentitiestoclient_stats_visibleentities = 0;
1605         sv.writeentitiestoclient_stats_totalentities = 0;
1606         sv.writeentitiestoclient_numeyes = 0;
1607
1608         // get eye location
1609         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1610         camera = PRVM_EDICT_NUM( client->clientcamera );
1611         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1612         sv.writeentitiestoclient_pvsbytes = 0;
1613         // get the PVS values for the eye location, later FatPVS calls will merge
1614         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1615                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1616
1617         // add the eye to a list for SV_CanSeeBox tests
1618         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1619         sv.writeentitiestoclient_numeyes++;
1620
1621         // calculate predicted eye origin for SV_CanSeeBox tests
1622         if (sv_cullentities_trace_prediction.integer)
1623         {
1624                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1625                 vec3_t predeye;
1626                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1627                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1628                 {
1629                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1630                         sv.writeentitiestoclient_numeyes++;
1631                 }
1632                 //if (!sv.writeentitiestoclient_useprediction)
1633                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1634         }
1635
1636         // TODO: check line of sight to portal entities and add them to PVS
1637
1638         sv.sententitiesmark++;
1639
1640         for (i = 0;i < sv.numsendentities;i++)
1641                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1642
1643         numsendstates = 0;
1644         numcsqcsendstates = 0;
1645         for (i = 0;i < sv.numsendentities;i++)
1646         {
1647                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1648                 {
1649                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1650                         {
1651                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1652                                 *s = sv.sendentities[i];
1653                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1654                                         s->flags |= RENDER_EXTERIORMODEL;
1655                         }
1656                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1657                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1658                         else
1659                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1660                 }
1661         }
1662
1663         if (sv_cullentities_stats.integer)
1664                 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);
1665
1666         if(client->entitydatabase5)
1667                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1668         else
1669                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1670
1671         if(client->num_skippedentityframes >= 10)
1672                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1673
1674         if (client->entitydatabase5)
1675                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1676         else if (client->entitydatabase4)
1677         {
1678                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1679                 Protocol_WriteStatsReliable();
1680         }
1681         else if (client->entitydatabase)
1682         {
1683                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1684                 Protocol_WriteStatsReliable();
1685         }
1686         else
1687         {
1688                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1689                 Protocol_WriteStatsReliable();
1690         }
1691
1692         if(success)
1693                 client->num_skippedentityframes = 0;
1694         else
1695                 ++client->num_skippedentityframes;
1696 }
1697
1698 /*
1699 =============
1700 SV_CleanupEnts
1701
1702 =============
1703 */
1704 static void SV_CleanupEnts (void)
1705 {
1706         int             e;
1707         prvm_edict_t    *ent;
1708
1709         ent = PRVM_NEXT_EDICT(prog->edicts);
1710         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1711                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1712 }
1713
1714 /*
1715 ==================
1716 SV_WriteClientdataToMessage
1717
1718 ==================
1719 */
1720 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1721 {
1722         int             bits;
1723         int             i;
1724         prvm_edict_t    *other;
1725         int             items;
1726         prvm_eval_t     *val;
1727         vec3_t  punchvector;
1728         int             viewzoom;
1729         const char *s;
1730         float   *statsf = (float *)stats;
1731
1732 //
1733 // send a damage message
1734 //
1735         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1736         {
1737                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1738                 MSG_WriteByte (msg, svc_damage);
1739                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1740                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1741                 for (i=0 ; i<3 ; i++)
1742                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1743
1744                 ent->fields.server->dmg_take = 0;
1745                 ent->fields.server->dmg_save = 0;
1746         }
1747
1748 //
1749 // send the current viewpos offset from the view entity
1750 //
1751         SV_SetIdealPitch ();            // how much to look up / down ideally
1752
1753 // a fixangle might get lost in a dropped packet.  Oh well.
1754         if(ent->fields.server->fixangle)
1755         {
1756                 // angle fixing was requested by global thinking code...
1757                 // so store the current angles for later use
1758                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1759                 host_client->fixangle_angles_set = TRUE;
1760
1761                 // and clear fixangle for the next frame
1762                 ent->fields.server->fixangle = 0;
1763         }
1764
1765         if (host_client->fixangle_angles_set)
1766         {
1767                 MSG_WriteByte (msg, svc_setangle);
1768                 for (i=0 ; i < 3 ; i++)
1769                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1770                 host_client->fixangle_angles_set = FALSE;
1771         }
1772
1773         // stuff the sigil bits into the high bits of items for sbar, or else
1774         // mix in items2
1775         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1776         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1777                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1778         else
1779                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1780
1781         VectorClear(punchvector);
1782         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1783                 VectorCopy(val->vector, punchvector);
1784
1785         // cache weapon model name and index in client struct to save time
1786         // (this search can be almost 1% of cpu time!)
1787         s = PRVM_GetString(ent->fields.server->weaponmodel);
1788         if (strcmp(s, client->weaponmodel))
1789         {
1790                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1791                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1792         }
1793
1794         viewzoom = 255;
1795         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1796                 viewzoom = (int)(val->_float * 255.0f);
1797         if (viewzoom == 0)
1798                 viewzoom = 255;
1799
1800         bits = 0;
1801
1802         if ((int)ent->fields.server->flags & FL_ONGROUND)
1803                 bits |= SU_ONGROUND;
1804         if (ent->fields.server->waterlevel >= 2)
1805                 bits |= SU_INWATER;
1806         if (ent->fields.server->idealpitch)
1807                 bits |= SU_IDEALPITCH;
1808
1809         for (i=0 ; i<3 ; i++)
1810         {
1811                 if (ent->fields.server->punchangle[i])
1812                         bits |= (SU_PUNCH1<<i);
1813                 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)
1814                         if (punchvector[i])
1815                                 bits |= (SU_PUNCHVEC1<<i);
1816                 if (ent->fields.server->velocity[i])
1817                         bits |= (SU_VELOCITY1<<i);
1818         }
1819
1820         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1821         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1822         stats[STAT_ITEMS] = items;
1823         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1824         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1825         stats[STAT_WEAPON] = client->weaponmodelindex;
1826         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1827         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1828         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1829         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1830         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1831         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1832         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1833         stats[STAT_VIEWZOOM] = viewzoom;
1834         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1835         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1836         // the QC bumps these itself by sending svc_'s, so we have to keep them
1837         // zero or they'll be corrected by the engine
1838         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1839         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1840
1841         // movement settings for prediction
1842         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1843         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1844                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1845         ;
1846         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1847         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1848         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1849         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1850         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1851         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1852         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1853         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1854         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1855         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1856         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1857         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1858         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1859         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1860         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1861         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1862         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1863         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1864         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1865         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1866         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1867         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1868         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1869         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1870         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1871         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1872         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1873         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1874         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1875         statsf[STAT_TIMELIMIT] = timelimit.value;
1876
1877         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)
1878         {
1879                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1880                 bits |= SU_ITEMS;
1881                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1882                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1883                 bits |= SU_WEAPON;
1884                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1885                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1886                         if (viewzoom != 255)
1887                                 bits |= SU_VIEWZOOM;
1888         }
1889
1890         if (bits >= 65536)
1891                 bits |= SU_EXTEND1;
1892         if (bits >= 16777216)
1893                 bits |= SU_EXTEND2;
1894
1895         // send the data
1896         MSG_WriteByte (msg, svc_clientdata);
1897         MSG_WriteShort (msg, bits);
1898         if (bits & SU_EXTEND1)
1899                 MSG_WriteByte(msg, bits >> 16);
1900         if (bits & SU_EXTEND2)
1901                 MSG_WriteByte(msg, bits >> 24);
1902
1903         if (bits & SU_VIEWHEIGHT)
1904                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1905
1906         if (bits & SU_IDEALPITCH)
1907                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1908
1909         for (i=0 ; i<3 ; i++)
1910         {
1911                 if (bits & (SU_PUNCH1<<i))
1912                 {
1913                         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)
1914                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1915                         else
1916                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1917                 }
1918                 if (bits & (SU_PUNCHVEC1<<i))
1919                 {
1920                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1921                                 MSG_WriteCoord16i(msg, punchvector[i]);
1922                         else
1923                                 MSG_WriteCoord32f(msg, punchvector[i]);
1924                 }
1925                 if (bits & (SU_VELOCITY1<<i))
1926                 {
1927                         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)
1928                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1929                         else
1930                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1931                 }
1932         }
1933
1934         if (bits & SU_ITEMS)
1935                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1936
1937         if (sv.protocol == PROTOCOL_DARKPLACES5)
1938         {
1939                 if (bits & SU_WEAPONFRAME)
1940                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1941                 if (bits & SU_ARMOR)
1942                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1943                 if (bits & SU_WEAPON)
1944                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1945                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1946                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1947                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1948                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1949                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1950                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1951                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1952                 if (bits & SU_VIEWZOOM)
1953                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1954         }
1955         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)
1956         {
1957                 if (bits & SU_WEAPONFRAME)
1958                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1959                 if (bits & SU_ARMOR)
1960                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1961                 if (bits & SU_WEAPON)
1962                 {
1963                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1964                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1965                         else
1966                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1967                 }
1968                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1969                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1970                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1971                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1972                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1973                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1974                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1975                 {
1976                         for (i = 0;i < 32;i++)
1977                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1978                                         break;
1979                         MSG_WriteByte (msg, i);
1980                 }
1981                 else
1982                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1983                 if (bits & SU_VIEWZOOM)
1984                 {
1985                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1986                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1987                         else
1988                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1989                 }
1990         }
1991 }
1992
1993 void SV_FlushBroadcastMessages(void)
1994 {
1995         int i;
1996         client_t *client;
1997         if (sv.datagram.cursize <= 0)
1998                 return;
1999         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2000         {
2001                 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])))
2002                         continue;
2003                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2004                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2005         }
2006         SZ_Clear(&sv.datagram);
2007 }
2008
2009 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2010 {
2011         // scan the splitpoints to find out how many we can fit in
2012         int numsegments, j, split;
2013         if (!client->unreliablemsg_splitpoints)
2014                 return;
2015         // always accept the first one if it's within 1024 bytes, this ensures
2016         // that very big datagrams which are over the rate limit still get
2017         // through, just to keep it working
2018         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2019                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2020                         break;
2021         // the first segment gets an exemption from the rate limiting, otherwise
2022         // it could get dropped consistently due to a low rate limit
2023         if (numsegments == 1)
2024                 maxsize = maxsize2;
2025         // some will fit, so add the ones that will fit
2026         split = client->unreliablemsg_splitpoint[numsegments-1];
2027         // note this discards ones that were accepted by the segments scan but
2028         // can not fit, such as a really huge first one that will never ever
2029         // fit in a packet...
2030         if (msg->cursize + split <= maxsize)
2031                 SZ_Write(msg, client->unreliablemsg.data, split);
2032         // remove the part we sent, keeping any remaining data
2033         client->unreliablemsg.cursize -= split;
2034         if (client->unreliablemsg.cursize > 0)
2035                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2036         // adjust remaining splitpoints
2037         client->unreliablemsg_splitpoints -= numsegments;
2038         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2039                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2040 }
2041
2042 /*
2043 =======================
2044 SV_SendClientDatagram
2045 =======================
2046 */
2047 static void SV_SendClientDatagram (client_t *client)
2048 {
2049         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2050         sizebuf_t msg;
2051         int stats[MAX_CL_STATS];
2052         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2053
2054         // obey rate limit by limiting packet frequency if the packet size
2055         // limiting fails
2056         // (usually this is caused by reliable messages)
2057         if (!NetConn_CanSend(client->netconnection))
2058                 return;
2059
2060         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2061         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2062         if (sv_maxrate.integer != maxrate)
2063                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2064
2065         // clientrate determines the 'cleartime' of a packet
2066         // (how long to wait before sending another, based on this packet's size)
2067         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2068
2069         switch (sv.protocol)
2070         {
2071         case PROTOCOL_QUAKE:
2072         case PROTOCOL_QUAKEDP:
2073         case PROTOCOL_NEHAHRAMOVIE:
2074         case PROTOCOL_NEHAHRABJP:
2075         case PROTOCOL_NEHAHRABJP2:
2076         case PROTOCOL_NEHAHRABJP3:
2077         case PROTOCOL_QUAKEWORLD:
2078                 // no packet size limit support on Quake protocols because it just
2079                 // causes missing entities/effects
2080                 // packets are simply sent less often to obey the rate limit
2081                 maxsize = 1024;
2082                 maxsize2 = 1024;
2083                 break;
2084         case PROTOCOL_DARKPLACES1:
2085         case PROTOCOL_DARKPLACES2:
2086         case PROTOCOL_DARKPLACES3:
2087         case PROTOCOL_DARKPLACES4:
2088                 // no packet size limit support on DP1-4 protocols because they kick
2089                 // the client off if they overflow, and miss effects
2090                 // packets are simply sent less often to obey the rate limit
2091                 maxsize = sizeof(sv_sendclientdatagram_buf);
2092                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2093                 break;
2094         default:
2095                 // DP5 and later protocols support packet size limiting which is a
2096                 // better method than limiting packet frequency as QW does
2097                 //
2098                 // at very low rates (or very small sys_ticrate) the packet size is
2099                 // not reduced below 128, but packets may be sent less often
2100                 maxsize = (int)(clientrate * sys_ticrate.value);
2101                 maxsize = bound(128, maxsize, 1400);
2102                 maxsize2 = 1400;
2103                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2104                 // mods that use csqc (they are likely to use less bandwidth anyway)
2105                 if (sv.csqc_progsize > 0)
2106                         maxsize = maxsize2;
2107                 break;
2108         }
2109
2110         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2111         {
2112                 // for good singleplayer, send huge packets
2113                 maxsize = sizeof(sv_sendclientdatagram_buf);
2114                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2115                 // never limit frequency in singleplayer
2116                 clientrate = 1000000000;
2117         }
2118
2119         // while downloading, limit entity updates to half the packet
2120         // (any leftover space will be used for downloading)
2121         if (host_client->download_file)
2122                 maxsize /= 2;
2123
2124         msg.data = sv_sendclientdatagram_buf;
2125         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2126         msg.cursize = 0;
2127         msg.allowoverflow = false;
2128
2129         if (host_client->spawned)
2130         {
2131                 // the player is in the game
2132                 MSG_WriteByte (&msg, svc_time);
2133                 MSG_WriteFloat (&msg, sv.time);
2134
2135                 // add the client specific data to the datagram
2136                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2137                 // now update the stats[] array using any registered custom fields
2138                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2139                 // set host_client->statsdeltabits
2140                 Protocol_UpdateClientStats (stats);
2141
2142                 // add as many queued unreliable messages (effects) as we can fit
2143                 // limit effects to half of the remaining space
2144                 if (client->unreliablemsg.cursize)
2145                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2146
2147                 // now write as many entities as we can fit, and also sends stats
2148                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2149         }
2150         else if (realtime > client->keepalivetime)
2151         {
2152                 // the player isn't totally in the game yet
2153                 // send small keepalive messages if too much time has passed
2154                 // (may also be sending downloads)
2155                 client->keepalivetime = realtime + 5;
2156                 MSG_WriteChar (&msg, svc_nop);
2157         }
2158
2159         // if a download is active, see if there is room to fit some download data
2160         // in this packet
2161         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2162         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2163         {
2164                 fs_offset_t downloadstart;
2165                 unsigned char data[1400];
2166                 downloadstart = FS_Tell(host_client->download_file);
2167                 downloadsize = min(downloadsize, (int)sizeof(data));
2168                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2169                 // note this sends empty messages if at the end of the file, which is
2170                 // necessary to keep the packet loss logic working
2171                 // (the last blocks may be lost and need to be re-sent, and that will
2172                 //  only occur if the client acks the empty end messages, revealing
2173                 //  a gap in the download progress, causing the last blocks to be
2174                 //  sent again)
2175                 MSG_WriteChar (&msg, svc_downloaddata);
2176                 MSG_WriteLong (&msg, downloadstart);
2177                 MSG_WriteShort (&msg, downloadsize);
2178                 if (downloadsize > 0)
2179                         SZ_Write (&msg, data, downloadsize);
2180         }
2181
2182         // reliable only if none is in progress
2183         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2184                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2185         // unreliable
2186         SV_WriteDemoMessage(client, &msg, false);
2187
2188 // send the datagram
2189         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2190         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2191                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2192 }
2193
2194 /*
2195 =======================
2196 SV_UpdateToReliableMessages
2197 =======================
2198 */
2199 static void SV_UpdateToReliableMessages (void)
2200 {
2201         int i, j;
2202         client_t *client;
2203         prvm_eval_t *val;
2204         const char *name;
2205         const char *model;
2206         const char *skin;
2207
2208 // check for changes to be sent over the reliable streams
2209         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2210         {
2211                 // update the host_client fields we care about according to the entity fields
2212                 host_client->edict = PRVM_EDICT_NUM(i+1);
2213
2214                 // DP_SV_CLIENTNAME
2215                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2216                 if (name == NULL)
2217                         name = "";
2218                 // always point the string back at host_client->name to keep it safe
2219                 strlcpy (host_client->name, name, sizeof (host_client->name));
2220                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2221                 if (strcmp(host_client->old_name, host_client->name))
2222                 {
2223                         if (host_client->spawned)
2224                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2225                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2226                         // send notification to all clients
2227                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2228                         MSG_WriteByte (&sv.reliable_datagram, i);
2229                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2230                         SV_WriteNetnameIntoDemo(host_client);
2231                 }
2232
2233                 // DP_SV_CLIENTCOLORS
2234                 // this is always found (since it's added by the progs loader)
2235                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2236                         host_client->colors = (int)val->_float;
2237                 if (host_client->old_colors != host_client->colors)
2238                 {
2239                         host_client->old_colors = host_client->colors;
2240                         // send notification to all clients
2241                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2242                         MSG_WriteByte (&sv.reliable_datagram, i);
2243                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2244                 }
2245
2246                 // NEXUIZ_PLAYERMODEL
2247                 if( prog->fieldoffsets.playermodel >= 0 ) {
2248                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2249                         if (model == NULL)
2250                                 model = "";
2251                         // always point the string back at host_client->name to keep it safe
2252                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2253                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2254                 }
2255
2256                 // NEXUIZ_PLAYERSKIN
2257                 if( prog->fieldoffsets.playerskin >= 0 ) {
2258                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2259                         if (skin == NULL)
2260                                 skin = "";
2261                         // always point the string back at host_client->name to keep it safe
2262                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2263                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2264                 }
2265
2266                 // TODO: add an extension name for this [1/17/2008 Black]
2267                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2268                         int oldclientcamera = host_client->clientcamera;
2269                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2270                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2271                         } else {
2272                                 host_client->clientcamera = val->edict;
2273                         }
2274
2275                         if( oldclientcamera != host_client->clientcamera ) {
2276                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2277                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2278                         }
2279                 }
2280
2281                 // frags
2282                 host_client->frags = (int)host_client->edict->fields.server->frags;
2283                 if(gamemode == GAME_NEXUIZ)
2284                         if(!host_client->spawned && host_client->netconnection)
2285                                 host_client->frags = -666;
2286                 if (host_client->old_frags != host_client->frags)
2287                 {
2288                         host_client->old_frags = host_client->frags;
2289                         // send notification to all clients
2290                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2291                         MSG_WriteByte (&sv.reliable_datagram, i);
2292                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2293                 }
2294         }
2295
2296         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2297                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2298                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2299
2300         SZ_Clear (&sv.reliable_datagram);
2301 }
2302
2303
2304 /*
2305 =======================
2306 SV_SendClientMessages
2307 =======================
2308 */
2309 void SV_SendClientMessages (void)
2310 {
2311         int i, prepared = false;
2312
2313         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2314                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2315
2316         SV_FlushBroadcastMessages();
2317
2318 // update frags, names, etc
2319         SV_UpdateToReliableMessages();
2320
2321 // build individual updates
2322         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2323         {
2324                 if (!host_client->active)
2325                         continue;
2326                 if (!host_client->netconnection)
2327                         continue;
2328
2329                 if (host_client->netconnection->message.overflowed)
2330                 {
2331                         SV_DropClient (true);   // if the message couldn't send, kick off
2332                         continue;
2333                 }
2334
2335                 if (!prepared)
2336                 {
2337                         prepared = true;
2338                         // only prepare entities once per frame
2339                         SV_PrepareEntitiesForSending();
2340                 }
2341                 SV_SendClientDatagram (host_client);
2342         }
2343
2344 // clear muzzle flashes
2345         SV_CleanupEnts();
2346 }
2347
2348 static void SV_StartDownload_f(void)
2349 {
2350         if (host_client->download_file)
2351                 host_client->download_started = true;
2352 }
2353
2354 /*
2355  * Compression extension negotiation:
2356  *
2357  * Server to client:
2358  *   cl_serverextension_download 2
2359  *
2360  * Client to server:
2361  *   download <filename> <list of zero or more suppported compressions in order of preference>
2362  * e.g.
2363  *   download maps/map1.bsp lzo deflate huffman
2364  *
2365  * Server to client:
2366  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2367  * e.g.
2368  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2369  *
2370  * The server may choose not to compress the file by sending no compression name, like:
2371  *   cl_downloadbegin 345678 maps/map1.bsp
2372  *
2373  * NOTE: the "download" command may only specify compression algorithms if
2374  *       cl_serverextension_download is 2!
2375  *       If cl_serverextension_download has a different value, the client must
2376  *       assume this extension is not supported!
2377  */
2378
2379 static void Download_CheckExtensions(void)
2380 {
2381         int i;
2382         int argc = Cmd_Argc();
2383
2384         // first reset them all
2385         host_client->download_deflate = false;
2386         
2387         for(i = 2; i < argc; ++i)
2388         {
2389                 if(!strcmp(Cmd_Argv(i), "deflate"))
2390                 {
2391                         host_client->download_deflate = true;
2392                         break;
2393                 }
2394         }
2395 }
2396
2397 static void SV_Download_f(void)
2398 {
2399         const char *whichpack, *whichpack2, *extension;
2400         qboolean is_csqc; // so we need to check only once
2401
2402         if (Cmd_Argc() < 2)
2403         {
2404                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2405                 SV_ClientPrintf("       supported extensions: deflate\n");
2406                 return;
2407         }
2408
2409         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2410         {
2411                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2412                 return;
2413         }
2414
2415         if (host_client->download_file)
2416         {
2417                 // at this point we'll assume the previous download should be aborted
2418                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2419                 Host_ClientCommands("\nstopdownload\n");
2420
2421                 // close the file and reset variables
2422                 FS_Close(host_client->download_file);
2423                 host_client->download_file = NULL;
2424                 host_client->download_name[0] = 0;
2425                 host_client->download_expectedposition = 0;
2426                 host_client->download_started = false;
2427         }
2428
2429         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2430         
2431         if (!sv_allowdownloads.integer && !is_csqc)
2432         {
2433                 SV_ClientPrintf("Downloads are disabled on this server\n");
2434                 Host_ClientCommands("\nstopdownload\n");
2435                 return;
2436         }
2437
2438         Download_CheckExtensions();
2439
2440         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2441         extension = FS_FileExtension(host_client->download_name);
2442
2443         // host_client is asking to download a specified file
2444         if (developer.integer >= 100)
2445                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2446
2447         if(is_csqc)
2448         {
2449                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2450                 extensions[0] = '\0';
2451                 
2452                 if(host_client->download_deflate)
2453                         strlcat(extensions, " deflate", sizeof(extensions));
2454                 
2455                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2456
2457                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2458                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2459                 else
2460                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2461                 
2462                 // no, no space is needed between %s and %s :P
2463                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2464
2465                 host_client->download_expectedposition = 0;
2466                 host_client->download_started = false;
2467                 host_client->sendsignon = true; // make sure this message is sent
2468                 return;
2469         }
2470
2471         if (!FS_FileExists(host_client->download_name))
2472         {
2473                 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);
2474                 Host_ClientCommands("\nstopdownload\n");
2475                 return;
2476         }
2477
2478         // check if the user is trying to download part of registered Quake(r)
2479         whichpack = FS_WhichPack(host_client->download_name);
2480         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2481         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2482         {
2483                 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);
2484                 Host_ClientCommands("\nstopdownload\n");
2485                 return;
2486         }
2487
2488         // check if the server has forbidden archive downloads entirely
2489         if (!sv_allowdownloads_inarchive.integer)
2490         {
2491                 whichpack = FS_WhichPack(host_client->download_name);
2492                 if (whichpack)
2493                 {
2494                         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);
2495                         Host_ClientCommands("\nstopdownload\n");
2496                         return;
2497                 }
2498         }
2499
2500         if (!sv_allowdownloads_config.integer)
2501         {
2502                 if (!strcasecmp(extension, "cfg"))
2503                 {
2504                         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);
2505                         Host_ClientCommands("\nstopdownload\n");
2506                         return;
2507                 }
2508         }
2509
2510         if (!sv_allowdownloads_dlcache.integer)
2511         {
2512                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2513                 {
2514                         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);
2515                         Host_ClientCommands("\nstopdownload\n");
2516                         return;
2517                 }
2518         }
2519
2520         if (!sv_allowdownloads_archive.integer)
2521         {
2522                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2523                 {
2524                         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);
2525                         Host_ClientCommands("\nstopdownload\n");
2526                         return;
2527                 }
2528         }
2529
2530         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2531         if (!host_client->download_file)
2532         {
2533                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2534                 Host_ClientCommands("\nstopdownload\n");
2535                 return;
2536         }
2537
2538         if (FS_FileSize(host_client->download_file) > 1<<30)
2539         {
2540                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2541                 Host_ClientCommands("\nstopdownload\n");
2542                 FS_Close(host_client->download_file);
2543                 host_client->download_file = NULL;
2544                 return;
2545         }
2546
2547         if (FS_FileSize(host_client->download_file) < 0)
2548         {
2549                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2550                 Host_ClientCommands("\nstopdownload\n");
2551                 FS_Close(host_client->download_file);
2552                 host_client->download_file = NULL;
2553                 return;
2554         }
2555
2556         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2557
2558         /*
2559          * we can only do this if we would actually deflate on the fly
2560          * which we do not (yet)!
2561         {
2562                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2563                 extensions[0] = '\0';
2564                 
2565                 if(host_client->download_deflate)
2566                         strlcat(extensions, " deflate", sizeof(extensions));
2567
2568                 // no, no space is needed between %s and %s :P
2569                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2570         }
2571         */
2572         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2573
2574         host_client->download_expectedposition = 0;
2575         host_client->download_started = false;
2576         host_client->sendsignon = true; // make sure this message is sent
2577
2578         // the rest of the download process is handled in SV_SendClientDatagram
2579         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2580         //
2581         // no svc_downloaddata messages will be sent until sv_startdownload is
2582         // sent by the client
2583 }
2584
2585 /*
2586 ==============================================================================
2587
2588 SERVER SPAWNING
2589
2590 ==============================================================================
2591 */
2592
2593 /*
2594 ================
2595 SV_ModelIndex
2596
2597 ================
2598 */
2599 int SV_ModelIndex(const char *s, int precachemode)
2600 {
2601         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);
2602         char filename[MAX_QPATH];
2603         if (!s || !*s)
2604                 return 0;
2605         // testing
2606         //if (precachemode == 2)
2607         //      return 0;
2608         strlcpy(filename, s, sizeof(filename));
2609         for (i = 2;i < limit;i++)
2610         {
2611                 if (!sv.model_precache[i][0])
2612                 {
2613                         if (precachemode)
2614                         {
2615                                 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))
2616                                 {
2617                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2618                                         return 0;
2619                                 }
2620                                 if (precachemode == 1)
2621                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2622                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2623                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2624                                 if (sv.state != ss_loading)
2625                                 {
2626                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2627                                         MSG_WriteShort(&sv.reliable_datagram, i);
2628                                         MSG_WriteString(&sv.reliable_datagram, filename);
2629                                 }
2630                                 return i;
2631                         }
2632                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2633                         return 0;
2634                 }
2635                 if (!strcmp(sv.model_precache[i], filename))
2636                         return i;
2637         }
2638         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2639         return 0;
2640 }
2641
2642 /*
2643 ================
2644 SV_SoundIndex
2645
2646 ================
2647 */
2648 int SV_SoundIndex(const char *s, int precachemode)
2649 {
2650         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);
2651         char filename[MAX_QPATH];
2652         if (!s || !*s)
2653                 return 0;
2654         // testing
2655         //if (precachemode == 2)
2656         //      return 0;
2657         strlcpy(filename, s, sizeof(filename));
2658         for (i = 1;i < limit;i++)
2659         {
2660                 if (!sv.sound_precache[i][0])
2661                 {
2662                         if (precachemode)
2663                         {
2664                                 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))
2665                                 {
2666                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2667                                         return 0;
2668                                 }
2669                                 if (precachemode == 1)
2670                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2671                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2672                                 if (sv.state != ss_loading)
2673                                 {
2674                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2675                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2676                                         MSG_WriteString(&sv.reliable_datagram, filename);
2677                                 }
2678                                 return i;
2679                         }
2680                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2681                         return 0;
2682                 }
2683                 if (!strcmp(sv.sound_precache[i], filename))
2684                         return i;
2685         }
2686         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2687         return 0;
2688 }
2689
2690 /*
2691 ================
2692 SV_ParticleEffectIndex
2693
2694 ================
2695 */
2696 int SV_ParticleEffectIndex(const char *name)
2697 {
2698         int i, argc, linenumber, effectnameindex;
2699         fs_offset_t filesize;
2700         unsigned char *filedata;
2701         const char *text, *textstart, *textend;
2702         char argv[16][1024];
2703         if (!sv.particleeffectnamesloaded)
2704         {
2705                 sv.particleeffectnamesloaded = true;
2706                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2707                 for (i = 0;i < EFFECT_TOTAL;i++)
2708                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2709                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2710                 if (filedata)
2711                 {
2712                         textstart = (const char *)filedata;
2713                         textend = (const char *)filedata + filesize;
2714                         text = textstart;
2715                         for (linenumber = 1;;linenumber++)
2716                         {
2717                                 argc = 0;
2718                                 for (;;)
2719                                 {
2720                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2721                                                 break;
2722                                         if (argc < 16)
2723                                         {
2724                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2725                                                 argc++;
2726                                         }
2727                                 }
2728                                 if (com_token[0] == 0)
2729                                         break; // if the loop exited and it's not a \n, it's EOF
2730                                 if (argc < 1)
2731                                         continue;
2732                                 if (!strcmp(argv[0], "effect"))
2733                                 {
2734                                         if (argc == 2)
2735                                         {
2736                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2737                                                 {
2738                                                         if (sv.particleeffectname[effectnameindex][0])
2739                                                         {
2740                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2741                                                                         break;
2742                                                         }
2743                                                         else
2744                                                         {
2745                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2746                                                                 break;
2747                                                         }
2748                                                 }
2749                                                 // if we run out of names, abort
2750                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2751                                                 {
2752                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2753                                                         break;
2754                                                 }
2755                                         }
2756                                 }
2757                         }
2758                         Mem_Free(filedata);
2759                 }
2760         }
2761         // search for the name
2762         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2763                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2764                         return effectnameindex;
2765         // return 0 if we couldn't find it
2766         return 0;
2767 }
2768
2769 /*
2770 ================
2771 SV_CreateBaseline
2772
2773 ================
2774 */
2775 static void SV_CreateBaseline (void)
2776 {
2777         int i, entnum, large;
2778         prvm_edict_t *svent;
2779
2780         // LordHavoc: clear *all* states (note just active ones)
2781         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2782         {
2783                 // get the current server version
2784                 svent = PRVM_EDICT_NUM(entnum);
2785
2786                 // LordHavoc: always clear state values, whether the entity is in use or not
2787                 svent->priv.server->baseline = defaultstate;
2788
2789                 if (svent->priv.server->free)
2790                         continue;
2791                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2792                         continue;
2793
2794                 // create entity baseline
2795                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2796                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2797                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2798                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2799                 if (entnum > 0 && entnum <= svs.maxclients)
2800                 {
2801                         svent->priv.server->baseline.colormap = entnum;
2802                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2803                 }
2804                 else
2805                 {
2806                         svent->priv.server->baseline.colormap = 0;
2807                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2808                 }
2809
2810                 large = false;
2811                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2812                 {
2813                         large = true;
2814                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2815                                 large = false;
2816                 }
2817
2818                 // add to the message
2819                 if (large)
2820                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2821                 else
2822                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2823                 MSG_WriteShort (&sv.signon, entnum);
2824
2825                 if (large)
2826                 {
2827                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2828                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2829                 }
2830                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2831                 {
2832                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2833                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2834                 }
2835                 else
2836                 {
2837                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2838                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2839                 }
2840                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2841                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2842                 for (i=0 ; i<3 ; i++)
2843                 {
2844                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2845                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2846                 }
2847         }
2848 }
2849
2850 /*
2851 ================
2852 SV_Prepare_CSQC
2853
2854 Load csprogs.dat and comperss it so it doesn't need to be
2855 reloaded on request.
2856 ================
2857 */
2858 void SV_Prepare_CSQC(void)
2859 {
2860         fs_offset_t progsize;
2861
2862         if(svs.csqc_progdata)
2863         {
2864                 Con_DPrintf("Unloading old CSQC data.\n");
2865                 Mem_Free(svs.csqc_progdata);
2866                 if(svs.csqc_progdata_deflated)
2867                         Mem_Free(svs.csqc_progdata_deflated);
2868         }
2869
2870         svs.csqc_progdata = NULL;
2871         svs.csqc_progdata_deflated = NULL;
2872         
2873         Con_Print("Loading csprogs.dat\n");
2874
2875         sv.csqc_progname[0] = 0;
2876         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2877
2878         if(progsize > 0)
2879         {
2880                 size_t deflated_size;
2881                 
2882                 sv.csqc_progsize = (int)progsize;
2883                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2884                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2885                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2886
2887                 Con_Print("Compressing csprogs.dat\n");
2888                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2889                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2890                 svs.csqc_progsize_deflated = (int)deflated_size;
2891                 if(svs.csqc_progdata_deflated)
2892                 {
2893                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2894                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2895                 }
2896                 else
2897                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2898         }
2899 }
2900
2901 /*
2902 ================
2903 SV_SaveSpawnparms
2904
2905 Grabs the current state of each client for saving across the
2906 transition to another level
2907 ================
2908 */
2909 void SV_SaveSpawnparms (void)
2910 {
2911         int             i, j;
2912
2913         svs.serverflags = (int)prog->globals.server->serverflags;
2914
2915         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2916         {
2917                 if (!host_client->active)
2918                         continue;
2919
2920         // call the progs to get default spawn parms for the new client
2921                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2922                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2923                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2924                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2925         }
2926 }
2927
2928 /*
2929 ================
2930 SV_SpawnServer
2931
2932 This is called at the start of each level
2933 ================
2934 */
2935
2936 void SV_SpawnServer (const char *server)
2937 {
2938         prvm_edict_t *ent;
2939         int i;
2940         char *entities;
2941         dp_model_t *worldmodel;
2942         char modelname[sizeof(sv.modelname)];
2943
2944         Con_DPrintf("SpawnServer: %s\n", server);
2945
2946         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2947
2948         if (!FS_FileExists(modelname))
2949         {
2950                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2951                 return;
2952         }
2953
2954         if (cls.state != ca_dedicated)
2955         {
2956                 SCR_BeginLoadingPlaque();
2957                 S_StopAllSounds();
2958         }
2959
2960         if(sv.active)
2961         {
2962                 SV_VM_Begin();
2963                 World_End(&sv.world);
2964                 if(prog->funcoffsets.SV_Shutdown)
2965                 {
2966                         func_t s = prog->funcoffsets.SV_Shutdown;
2967                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2968                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2969                 }
2970                 SV_VM_End();
2971         }
2972
2973         // free q3 shaders so that any newly downloaded shaders will be active
2974         Mod_FreeQ3Shaders();
2975
2976         worldmodel = Mod_ForName(modelname, false, true, NULL);
2977         if (!worldmodel || !worldmodel->TraceBox)
2978         {
2979                 Con_Printf("Couldn't load map %s\n", modelname);
2980                 return;
2981         }
2982
2983         // let's not have any servers with no name
2984         if (hostname.string[0] == 0)
2985                 Cvar_Set ("hostname", "UNNAMED");
2986         scr_centertime_off = 0;
2987
2988         svs.changelevel_issued = false;         // now safe to issue another
2989
2990         // make the map a required file for clients
2991         Curl_ClearRequirements();
2992         Curl_RequireFile(modelname);
2993
2994 //
2995 // tell all connected clients that we are going to a new level
2996 //
2997         if (sv.active)
2998         {
2999                 client_t *client;
3000                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3001                 {
3002                         if (client->netconnection)
3003                         {
3004                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3005                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3006                         }
3007                 }
3008         }
3009         else
3010         {
3011                 // open server port
3012                 NetConn_OpenServerPorts(true);
3013         }
3014
3015 //
3016 // make cvars consistant
3017 //
3018         if (coop.integer)
3019                 Cvar_SetValue ("deathmatch", 0);
3020         // LordHavoc: it can be useful to have skills outside the range 0-3...
3021         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3022         //Cvar_SetValue ("skill", (float)current_skill);
3023         current_skill = (int)(skill.value + 0.5);
3024
3025 //
3026 // set up the new server
3027 //
3028         memset (&sv, 0, sizeof(sv));
3029         // if running a local client, make sure it doesn't try to access the last
3030         // level's data which is no longer valiud
3031         cls.signon = 0;
3032
3033         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3034
3035         if(*sv_random_seed.string)
3036         {
3037                 srand(sv_random_seed.integer);
3038                 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);
3039         }
3040
3041         SV_VM_Setup();
3042
3043         sv.active = true;
3044
3045         strlcpy (sv.name, server, sizeof (sv.name));
3046
3047         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3048         if (sv.protocol == PROTOCOL_UNKNOWN)
3049         {
3050                 char buffer[1024];
3051                 Protocol_Names(buffer, sizeof(buffer));
3052                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3053                 sv.protocol = PROTOCOL_QUAKE;
3054         }
3055
3056         SV_VM_Begin();
3057
3058 // load progs to get entity field count
3059         //PR_LoadProgs ( sv_progs.string );
3060
3061         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3062         sv.datagram.cursize = 0;
3063         sv.datagram.data = sv.datagram_buf;
3064
3065         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3066         sv.reliable_datagram.cursize = 0;
3067         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3068
3069         sv.signon.maxsize = sizeof(sv.signon_buf);
3070         sv.signon.cursize = 0;
3071         sv.signon.data = sv.signon_buf;
3072
3073 // leave slots at start for clients only
3074         //prog->num_edicts = svs.maxclients+1;
3075
3076         sv.state = ss_loading;
3077         prog->allowworldwrites = true;
3078         sv.paused = false;
3079
3080         prog->globals.server->time = sv.time = 1.0;
3081
3082         Mod_ClearUsed();
3083         worldmodel->used = true;
3084
3085         strlcpy (sv.name, server, sizeof (sv.name));
3086         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3087         sv.worldmodel = worldmodel;
3088         sv.models[1] = sv.worldmodel;
3089
3090 //
3091 // clear world interaction links
3092 //
3093         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3094         World_Start(&sv.world);
3095
3096         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3097
3098         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3099         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3100         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3101         {
3102                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3103                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3104         }
3105         if(i < sv.worldmodel->brush.numsubmodels)
3106                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3107
3108 //
3109 // load the rest of the entities
3110 //
3111         // AK possible hack since num_edicts is still 0
3112         ent = PRVM_EDICT_NUM(0);
3113         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3114         ent->priv.server->free = false;
3115         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
3116         ent->fields.server->modelindex = 1;             // world model
3117         ent->fields.server->solid = SOLID_BSP;
3118         ent->fields.server->movetype = MOVETYPE_PUSH;
3119         VectorCopy(sv.world.mins, ent->fields.server->mins);
3120         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3121         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3122         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3123
3124         if (coop.value)
3125                 prog->globals.server->coop = coop.integer;
3126         else
3127                 prog->globals.server->deathmatch = deathmatch.integer;
3128
3129         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3130
3131 // serverflags are for cross level information (sigils)
3132         prog->globals.server->serverflags = svs.serverflags;
3133
3134         // we need to reset the spawned flag on all connected clients here so that
3135         // their thinks don't run during startup (before PutClientInServer)
3136         // we also need to set up the client entities now
3137         // and we need to set the ->edict pointers to point into the progs edicts
3138         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3139         {
3140                 host_client->spawned = false;
3141                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3142                 PRVM_ED_ClearEdict(host_client->edict);
3143         }
3144
3145         // load replacement entity file if found
3146         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
3147         {
3148                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
3149                 PRVM_ED_LoadFromFile (entities);
3150                 Mem_Free(entities);
3151         }
3152         else
3153                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3154
3155
3156         // LordHavoc: clear world angles (to fix e3m3.bsp)
3157         VectorClear(prog->edicts->fields.server->angles);
3158
3159 // all setup is completed, any further precache statements are errors
3160 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3161         prog->allowworldwrites = false;
3162
3163 // run two frames to allow everything to settle