ref: 710f779fdacf57a6311c62c6e29a5e8e18576c3f
dir: /server/sv_game.c/
/* Copyright (C) 1997-2001 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // sv_game.c -- interface to the game dll #include "server.h" game_export_t *ge; /* =============== PF_Unicast Sends the contents of the mutlicast buffer to a single client =============== */ void PF_Unicast (edict_t *ent, qboolean reliable) { int p; client_t *client; if (!ent) return; p = NUM_FOR_EDICT(ent); if (p < 1 || p > maxclients->value) return; client = svs.clients + (p-1); if (reliable) SZ_Write (&client->netchan.message, sv.multicast.data, sv.multicast.cursize); else SZ_Write (&client->datagram, sv.multicast.data, sv.multicast.cursize); SZ_Clear (&sv.multicast); } /* =============== PF_dprintf Debug print to server console =============== */ void PF_dprintf (char *fmt, ...) { char msg[1024]; va_list argptr; va_start (argptr,fmt); vsprintf (msg, fmt, argptr); va_end (argptr); Com_Printf ("%s", msg); } /* =============== PF_cprintf Print to a single client =============== */ void PF_cprintf (edict_t *ent, int level, char *fmt, ...) { char msg[1024]; va_list argptr; int n; if (ent) { n = NUM_FOR_EDICT(ent); if (n < 1 || n > maxclients->value) Com_Error (ERR_DROP, "cprintf to a non-client"); } va_start (argptr,fmt); vsprintf (msg, fmt, argptr); va_end (argptr); if (ent) SV_ClientPrintf (svs.clients+(n-1), level, "%s", msg); else Com_Printf ("%s", msg); } /* =============== PF_centerprintf centerprint to a single client =============== */ void PF_centerprintf (edict_t *ent, char *fmt, ...) { char msg[1024]; va_list argptr; int n; n = NUM_FOR_EDICT(ent); if (n < 1 || n > maxclients->value) return; // Com_Error (ERR_DROP, "centerprintf to a non-client"); va_start (argptr,fmt); vsprintf (msg, fmt, argptr); va_end (argptr); MSG_WriteByte (&sv.multicast,svc_centerprint); MSG_WriteString (&sv.multicast,msg); PF_Unicast (ent, true); } /* =============== PF_error Abort the server with a game error =============== */ void PF_error (char *fmt, ...) { char msg[1024]; va_list argptr; va_start (argptr,fmt); vsprintf (msg, fmt, argptr); va_end (argptr); Com_Error (ERR_DROP, "Game Error: %s", msg); } /* ================= PF_setmodel Also sets mins and maxs for inline bmodels ================= */ void PF_setmodel (edict_t *ent, char *name) { int i; cmodel_t *mod; if (!name) Com_Error (ERR_DROP, "PF_setmodel: NULL"); i = SV_ModelIndex (name); // ent->model = name; ent->s.modelindex = i; // if it is an inline model, get the size information for it if (name[0] == '*') { mod = CM_InlineModel (name); VectorCopy (mod->mins, ent->mins); VectorCopy (mod->maxs, ent->maxs); SV_LinkEdict (ent); } } /* =============== PF_Configstring =============== */ void PF_Configstring (int index, char *val) { if (index < 0 || index >= MAX_CONFIGSTRINGS) Com_Error (ERR_DROP, "configstring: bad index %i\n", index); if (!val) val = ""; // change the string in sv strcpy (sv.configstrings[index], val); if (sv.state != ss_loading) { // send the update to everyone SZ_Clear (&sv.multicast); MSG_WriteChar (&sv.multicast, svc_configstring); MSG_WriteShort (&sv.multicast, index); MSG_WriteString (&sv.multicast, val); SV_Multicast (vec3_origin, MULTICAST_ALL_R); } } void PF_WriteChar (int c) {MSG_WriteChar (&sv.multicast, c);} void PF_WriteByte (int c) {MSG_WriteByte (&sv.multicast, c);} void PF_WriteShort (int c) {MSG_WriteShort (&sv.multicast, c);} void PF_WriteLong (int c) {MSG_WriteLong (&sv.multicast, c);} void PF_WriteFloat (float f) {MSG_WriteFloat (&sv.multicast, f);} void PF_WriteString (char *s) {MSG_WriteString (&sv.multicast, s);} void PF_WritePos (vec3_t pos) {MSG_WritePos (&sv.multicast, pos);} void PF_WriteDir (vec3_t dir) {MSG_WriteDir (&sv.multicast, dir);} void PF_WriteAngle (float f) {MSG_WriteAngle (&sv.multicast, f);} /* ================= PF_inPVS Also checks portalareas so that doors block sight ================= */ qboolean PF_inPVS (vec3_t p1, vec3_t p2) { int leafnum; int cluster; int area1, area2; byte *mask; leafnum = CM_PointLeafnum (p1); cluster = CM_LeafCluster (leafnum); area1 = CM_LeafArea (leafnum); mask = CM_ClusterPVS (cluster); leafnum = CM_PointLeafnum (p2); cluster = CM_LeafCluster (leafnum); area2 = CM_LeafArea (leafnum); if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) ) return false; if (!CM_AreasConnected (area1, area2)) return false; // a door blocks sight return true; } /* ================= PF_inPHS Also checks portalareas so that doors block sound ================= */ qboolean PF_inPHS (vec3_t p1, vec3_t p2) { int leafnum; int cluster; int area1, area2; byte *mask; leafnum = CM_PointLeafnum (p1); cluster = CM_LeafCluster (leafnum); area1 = CM_LeafArea (leafnum); mask = CM_ClusterPHS (cluster); leafnum = CM_PointLeafnum (p2); cluster = CM_LeafCluster (leafnum); area2 = CM_LeafArea (leafnum); if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) ) return false; // more than one bounce away if (!CM_AreasConnected (area1, area2)) return false; // a door blocks hearing return true; } void PF_StartSound (edict_t *entity, int channel, int sound_num, float volume, float attenuation, float timeofs) { if (!entity) return; SV_StartSound (NULL, entity, channel, sound_num, volume, attenuation, timeofs); } //============================================== /* =============== SV_ShutdownGameProgs Called when either the entire server is being killed, or it is changing to a different game directory. =============== */ void SV_ShutdownGameProgs (void) { if (!ge) return; ge->Shutdown (); Sys_UnloadGame (); ge = NULL; } /* =============== SV_InitGameProgs Init the game subsystem for a new map =============== */ void SCR_DebugGraph (float value, int color); void SV_InitGameProgs (void) { game_import_t import; // unload anything we have now if (ge) SV_ShutdownGameProgs (); // load a new game dll import.multicast = SV_Multicast; import.unicast = PF_Unicast; import.bprintf = SV_BroadcastPrintf; import.dprintf = PF_dprintf; import.cprintf = PF_cprintf; import.centerprintf = PF_centerprintf; import.error = PF_error; import.linkentity = SV_LinkEdict; import.unlinkentity = SV_UnlinkEdict; import.BoxEdicts = SV_AreaEdicts; import.trace = SV_Trace; import.pointcontents = SV_PointContents; import.setmodel = PF_setmodel; import.inPVS = PF_inPVS; import.inPHS = PF_inPHS; import.Pmove = Pmove; import.modelindex = SV_ModelIndex; import.soundindex = SV_SoundIndex; import.imageindex = SV_ImageIndex; import.configstring = PF_Configstring; import.sound = PF_StartSound; import.positioned_sound = SV_StartSound; import.WriteChar = PF_WriteChar; import.WriteByte = PF_WriteByte; import.WriteShort = PF_WriteShort; import.WriteLong = PF_WriteLong; import.WriteFloat = PF_WriteFloat; import.WriteString = PF_WriteString; import.WritePosition = PF_WritePos; import.WriteDir = PF_WriteDir; import.WriteAngle = PF_WriteAngle; import.TagMalloc = Z_TagMalloc; import.TagFree = Z_Free; import.FreeTags = Z_FreeTags; import.cvar = Cvar_Get; import.cvar_set = Cvar_Set; import.cvar_forceset = Cvar_ForceSet; import.argc = Cmd_Argc; import.argv = Cmd_Argv; import.args = Cmd_Args; import.AddCommandString = Cbuf_AddText; import.DebugGraph = SCR_DebugGraph; import.SetAreaPortalState = CM_SetAreaPortalState; import.AreasConnected = CM_AreasConnected; ge = (game_export_t *)Sys_GetGameAPI (&import); if (!ge) Com_Error (ERR_DROP, "failed to load game DLL"); if (ge->apiversion != GAME_API_VERSION) Com_Error (ERR_DROP, "game is version %i, not %i", ge->apiversion, GAME_API_VERSION); ge->Init (); }