/* Copyright (C) 1996-1997 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_main.c -- server main program #include "quakedef.h" #include "portals.h" static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose static cvar_t sv_cullentities_portal = {0, "sv_cullentities_portal", "0"}; // extremely accurate visibility checking, but too slow static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "1"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"}; static cvar_t sv_entpatch = {0, "sv_entpatch", "1"}; server_t sv; server_static_t svs; static char localmodels[MAX_MODELS][5]; // inline model names for precache mempool_t *sv_edicts_mempool = NULL; //============================================================================ extern void SV_Phys_Init (void); extern void SV_World_Init (void); /* =============== SV_Init =============== */ void SV_Init (void) { int i; Cvar_RegisterVariable (&sv_maxvelocity); Cvar_RegisterVariable (&sv_gravity); Cvar_RegisterVariable (&sv_friction); Cvar_RegisterVariable (&sv_edgefriction); Cvar_RegisterVariable (&sv_stopspeed); Cvar_RegisterVariable (&sv_maxspeed); Cvar_RegisterVariable (&sv_accelerate); Cvar_RegisterVariable (&sv_idealpitchscale); Cvar_RegisterVariable (&sv_aim); Cvar_RegisterVariable (&sv_nostep); Cvar_RegisterVariable (&sv_deltacompress); Cvar_RegisterVariable (&sv_cullentities_pvs); Cvar_RegisterVariable (&sv_cullentities_portal); Cvar_RegisterVariable (&sv_cullentities_trace); Cvar_RegisterVariable (&sv_cullentities_stats); Cvar_RegisterVariable (&sv_entpatch); SV_Phys_Init(); SV_World_Init(); for (i = 0;i < MAX_MODELS;i++) sprintf (localmodels[i], "*%i", i); sv_edicts_mempool = Mem_AllocPool("edicts"); } /* ============================================================================= EVENT MESSAGES ============================================================================= */ /* ================== SV_StartParticle Make sure the event gets sent to all clients ================== */ void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count) { int i, v; if (sv.datagram.cursize > MAX_DATAGRAM-16) return; MSG_WriteByte (&sv.datagram, svc_particle); MSG_WriteDPCoord (&sv.datagram, org[0]); MSG_WriteDPCoord (&sv.datagram, org[1]); MSG_WriteDPCoord (&sv.datagram, org[2]); for (i=0 ; i<3 ; i++) { v = dir[i]*16; if (v > 127) v = 127; else if (v < -128) v = -128; MSG_WriteChar (&sv.datagram, v); } MSG_WriteByte (&sv.datagram, count); MSG_WriteByte (&sv.datagram, color); } /* ================== SV_StartEffect Make sure the event gets sent to all clients ================== */ void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate) { if (sv.datagram.cursize > MAX_DATAGRAM-18) return; if (modelindex >= 256 || startframe >= 256) { MSG_WriteByte (&sv.datagram, svc_effect2); MSG_WriteDPCoord (&sv.datagram, org[0]); MSG_WriteDPCoord (&sv.datagram, org[1]); MSG_WriteDPCoord (&sv.datagram, org[2]); MSG_WriteShort (&sv.datagram, modelindex); MSG_WriteShort (&sv.datagram, startframe); MSG_WriteByte (&sv.datagram, framecount); MSG_WriteByte (&sv.datagram, framerate); } else { MSG_WriteByte (&sv.datagram, svc_effect); MSG_WriteDPCoord (&sv.datagram, org[0]); MSG_WriteDPCoord (&sv.datagram, org[1]); MSG_WriteDPCoord (&sv.datagram, org[2]); MSG_WriteByte (&sv.datagram, modelindex); MSG_WriteByte (&sv.datagram, startframe); MSG_WriteByte (&sv.datagram, framecount); MSG_WriteByte (&sv.datagram, framerate); } } /* ================== SV_StartSound Each entity can have eight independant sound sources, like voice, weapon, feet, etc. Channel 0 is an auto-allocate channel, the others override anything already running on that entity/channel pair. An attenuation of 0 will play full volume everywhere in the level. Larger attenuations will drop off. (max 4 attenuation) ================== */ void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation) { int sound_num; int field_mask; int i; int ent; if (volume < 0 || volume > 255) Host_Error ("SV_StartSound: volume = %i", volume); if (attenuation < 0 || attenuation > 4) Host_Error ("SV_StartSound: attenuation = %f", attenuation); if (channel < 0 || channel > 7) Host_Error ("SV_StartSound: channel = %i", channel); if (sv.datagram.cursize > MAX_DATAGRAM-16) return; // find precache number for sound for (sound_num=1 ; sound_num= 8192) field_mask |= SND_LARGEENTITY; if (sound_num >= 256 || channel >= 8) field_mask |= SND_LARGESOUND; // directed messages go only to the entity they are targeted on MSG_WriteByte (&sv.datagram, svc_sound); MSG_WriteByte (&sv.datagram, field_mask); if (field_mask & SND_VOLUME) MSG_WriteByte (&sv.datagram, volume); if (field_mask & SND_ATTENUATION) MSG_WriteByte (&sv.datagram, attenuation*64); if (field_mask & SND_LARGEENTITY) { MSG_WriteShort (&sv.datagram, ent); MSG_WriteByte (&sv.datagram, channel); } else MSG_WriteShort (&sv.datagram, (ent<<3) | channel); if (field_mask & SND_LARGESOUND) MSG_WriteShort (&sv.datagram, sound_num); else MSG_WriteByte (&sv.datagram, sound_num); for (i = 0;i < 3;i++) MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i])); } /* ============================================================================== CLIENT SPAWNING ============================================================================== */ /* ================ SV_SendServerinfo Sends the first message from the server to a connected client. This will be sent on the initial connection and upon each server load. ================ */ void SV_SendServerinfo (client_t *client) { char **s; char message[128]; // LordHavoc: clear entityframe tracking client->entityframenumber = 0; EntityFrame_ClearDatabase(&client->entitydatabase); MSG_WriteByte (&client->message, svc_print); sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc); MSG_WriteString (&client->message,message); MSG_WriteByte (&client->message, svc_serverinfo); MSG_WriteLong (&client->message, DPPROTOCOL_VERSION3); MSG_WriteByte (&client->message, svs.maxclients); if (!coop.integer && deathmatch.integer) MSG_WriteByte (&client->message, GAME_DEATHMATCH); else MSG_WriteByte (&client->message, GAME_COOP); MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message)); for (s = sv.model_precache+1 ; *s ; s++) MSG_WriteString (&client->message, *s); MSG_WriteByte (&client->message, 0); for (s = sv.sound_precache+1 ; *s ; s++) MSG_WriteString (&client->message, *s); MSG_WriteByte (&client->message, 0); // send music MSG_WriteByte (&client->message, svc_cdtrack); MSG_WriteByte (&client->message, sv.edicts->v->sounds); MSG_WriteByte (&client->message, sv.edicts->v->sounds); // set view MSG_WriteByte (&client->message, svc_setview); MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict)); MSG_WriteByte (&client->message, svc_signonnum); MSG_WriteByte (&client->message, 1); client->sendsignon = true; client->spawned = false; // need prespawn, spawn, etc } /* ================ SV_ConnectClient Initializes a client_t for a new net connection. This will only be called once for a player each game, not once for each level change. ================ */ void SV_ConnectClient (int clientnum, netconn_t *netconnection) { client_t *client; int i; float spawn_parms[NUM_SPAWN_PARMS]; client = svs.clients + clientnum; // set up the client_t if (sv.loadgame) memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms)); memset (client, 0, sizeof(*client)); client->netconnection = netconnection; Con_DPrintf ("Client %s connected\n", client->netconnection->address); strcpy (client->name, "unconnected"); client->active = true; client->spawned = false; client->edict = EDICT_NUM(clientnum+1); client->message.data = client->msgbuf; client->message.maxsize = sizeof(client->msgbuf); client->message.allowoverflow = true; // we can catch it if (sv.loadgame) memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms)); else { // call the progs to get default spawn parms for the new client PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing"); for (i=0 ; ispawn_parms[i] = (&pr_global_struct->parm1)[i]; // set up the edict a bit ED_ClearEdict(client->edict); client->edict->v->colormap = NUM_FOR_EDICT(client->edict); client->edict->v->netname = PR_SetString(client->name); } SV_SendServerinfo (client); } /* =============================================================================== FRAME UPDATES =============================================================================== */ /* ================== SV_ClearDatagram ================== */ void SV_ClearDatagram (void) { SZ_Clear (&sv.datagram); } /* ============================================================================= The PVS must include a small area around the client to allow head bobbing or other small motion on the client side. Otherwise, a bob might cause an entity that should be visible to not show up, especially when the bob crosses a waterline. ============================================================================= */ int fatbytes; qbyte fatpvs[MAX_MAP_LEAFS/8]; void SV_AddToFatPVS (vec3_t org, mnode_t *node) { int i; qbyte *pvs; mplane_t *plane; float d; while (1) { // if this is a leaf, accumulate the pvs bits if (node->contents < 0) { if (node->contents != CONTENTS_SOLID) { pvs = sv.worldmodel->LeafPVS(sv.worldmodel, (mleaf_t *)node); for (i=0 ; iplane; d = DotProduct (org, plane->normal) - plane->dist; if (d > 8) node = node->children[0]; else if (d < -8) node = node->children[1]; else { // go down both SV_AddToFatPVS (org, node->children[0]); node = node->children[1]; } } } /* ============= SV_FatPVS Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the given point. ============= */ qbyte *SV_FatPVS (vec3_t org) { fatbytes = (sv.worldmodel->numleafs+31)>>3; memset (fatpvs, 0, fatbytes); SV_AddToFatPVS (org, sv.worldmodel->nodes); return fatpvs; } //============================================================================= int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node) { int leafnum; loc0: if (node->contents < 0) { // leaf if (node->contents == CONTENTS_SOLID) return false; leafnum = (mleaf_t *)node - sv.worldmodel->leafs - 1; return pvs[leafnum >> 3] & (1 << (leafnum & 7)); } // node - recurse down the BSP tree switch (BoxOnPlaneSide(mins, maxs, node->plane)) { case 1: // front node = node->children[0]; goto loc0; case 2: // back node = node->children[1]; goto loc0; default: // crossing if (node->children[0]->contents != CONTENTS_SOLID) if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0])) return true; node = node->children[1]; goto loc0; } // never reached return false; } /* ============= SV_WriteEntitiesToClient ============= */ #ifdef QUAKEENTITIES void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg) { int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize; int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities; qbyte *pvs; vec3_t origin, angles, entmins, entmaxs, testorigin, testeye; float nextfullupdate, alphaf; edict_t *ent; eval_t *val; entity_state_t *baseline; // LordHavoc: delta or startup baseline trace_t trace; model_t *model; Mod_CheckLoaded(sv.worldmodel); // find the client's PVS VectorAdd (clent->v->origin, clent->v->view_ofs, testeye); pvs = SV_FatPVS (testeye); culled_pvs = 0; culled_portal = 0; culled_trace = 0; visibleentities = 0; totalentities = 0; clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes // send all entities that touch the pvs ent = NEXT_EDICT(sv.edicts); for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent)) { bits = 0; // prevent delta compression against this frame (unless actually sent, which will restore this later) nextfullupdate = client->nextfullupdate[e]; client->nextfullupdate[e] = -1; if (ent != clent) // LordHavoc: always send player { if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict) { if (val->edict != clentnum) { // don't show to anyone else continue; } else bits |= U_VIEWMODEL; // show relative to the view } else { // LordHavoc: never draw something told not to display to this client if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum) continue; if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum) continue; } } glowsize = 0; if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size))) glowsize = (int) val->_float >> 2; if (glowsize > 255) glowsize = 255; if (glowsize < 0) glowsize = 0; if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail))) if (val->_float != 0) bits |= U_GLOWTRAIL; if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model)) { model = sv.models[(int)ent->v->modelindex]; Mod_CheckLoaded(model); } else { model = NULL; if (ent != clent) // LordHavoc: always send player if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects continue; } VectorCopy(ent->v->angles, angles); VectorCopy(ent->v->origin, origin); // ent has survived every check so far, check if it is visible if (ent != clent && ((bits & U_VIEWMODEL) == 0)) { // use the predicted origin entmins[0] = origin[0] - 1.0f; entmins[1] = origin[1] - 1.0f; entmins[2] = origin[2] - 1.0f; entmaxs[0] = origin[0] + 1.0f; entmaxs[1] = origin[1] + 1.0f; entmaxs[2] = origin[2] + 1.0f; // using the model's bounding box to ensure things are visible regardless of their physics box if (model) { if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll { VectorAdd(entmins, model->rotatedmins, entmins); VectorAdd(entmaxs, model->rotatedmaxs, entmaxs); } else if (ent->v->angles[1]) { VectorAdd(entmins, model->yawmins, entmins); VectorAdd(entmaxs, model->yawmaxs, entmaxs); } else { VectorAdd(entmins, model->normalmins, entmins); VectorAdd(entmaxs, model->normalmaxs, entmaxs); } } totalentities++; // if not touching a visible leaf if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes)) { culled_pvs++; continue; } // or not visible through the portals if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs)) { culled_portal++; continue; } // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms) if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*')) { // LordHavoc: test random offsets, to maximize chance of detection testorigin[0] = lhrandom(entmins[0], entmaxs[0]); testorigin[1] = lhrandom(entmins[1], entmaxs[1]); testorigin[2] = lhrandom(entmins[2], entmaxs[2]); Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin); if (trace.fraction == 1) client->visibletime[e] = realtime + 1; else { //test nearest point on bbox testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]); testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]); testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]); Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin); if (trace.fraction == 1) client->visibletime[e] = realtime + 1; else if (realtime > client->visibletime[e]) { culled_trace++; continue; } } } visibleentities++; } alphaf = 255.0f; scale = 16; glowcolor = 254; effects = ent->v->effects; if ((val = GETEDICTFIELDVALUE(ent, eval_alpha))) if (val->_float != 0) alphaf = val->_float * 255.0f; // HalfLife support if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt))) if (val->_float != 0) alphaf = val->_float; if (alphaf == 0.0f) alphaf = 255.0f; alpha = bound(0, alphaf, 255); if ((val = GETEDICTFIELDVALUE(ent, eval_scale))) if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16; if (scale < 0) scale = 0; if (scale > 255) scale = 255; if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color))) if (val->_float != 0) glowcolor = (int) val->_float; if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright))) if (val->_float != 0) effects |= EF_FULLBRIGHT; if (ent != clent) { if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects { if (model) // model { // don't send if flagged for NODRAW and there are no effects if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0)) continue; } else // no model and no effects continue; } } if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32 { Con_Printf ("packet overflow\n"); // mark the rest of the entities so they can't be delta compressed against this frame for (;e < sv.num_edicts;e++) { client->nextfullupdate[e] = -1; client->visibletime[e] = -1; } return; } if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum) bits = bits | U_EXTERIORMODEL; // send an update baseline = &ent->e->baseline; if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer) { // every half second a full update is forced if (realtime < client->nextfullupdate[e]) { bits |= U_DELTA; baseline = &ent->e->deltabaseline; } else nextfullupdate = realtime + 0.5f; } else nextfullupdate = realtime + 0.5f; // restore nextfullupdate since this is being sent for real client->nextfullupdate[e] = nextfullupdate; if (e >= 256) bits |= U_LONGENTITY; if (ent->v->movetype == MOVETYPE_STEP) bits |= U_STEP; // LordHavoc: old stuff, but rewritten to have more exact tolerances if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1; if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2; if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3; if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1; if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2; if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3; if (baseline->colormap != (qbyte) ent->v->colormap) bits |= U_COLORMAP; if (baseline->skin != (qbyte) ent->v->skin) bits |= U_SKIN; if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF)) bits |= U_FRAME; if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF)) bits |= U_EFFECTS; if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF)) bits |= U_MODEL; // LordHavoc: new stuff if (baseline->alpha != alpha) bits |= U_ALPHA; if (baseline->scale != scale) bits |= U_SCALE; if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00)) bits |= U_EFFECTS2; if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE; if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR; if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00)) bits |= U_FRAME2; if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00)) bits |= U_MODEL2; // update delta baseline VectorCopy(ent->v->origin, ent->e->deltabaseline.origin); VectorCopy(ent->v->angles, ent->e->deltabaseline.angles); ent->e->deltabaseline.colormap = ent->v->colormap; ent->e->deltabaseline.skin = ent->v->skin; ent->e->deltabaseline.frame = ent->v->frame; ent->e->deltabaseline.effects = ent->v->effects; ent->e->deltabaseline.modelindex = ent->v->modelindex; ent->e->deltabaseline.alpha = alpha; ent->e->deltabaseline.scale = scale; ent->e->deltabaseline.glowsize = glowsize; ent->e->deltabaseline.glowcolor = glowcolor; // write the message if (bits >= 16777216) bits |= U_EXTEND2; if (bits >= 65536) bits |= U_EXTEND1; if (bits >= 256) bits |= U_MOREBITS; bits |= U_SIGNAL; MSG_WriteByte (msg, bits); if (bits & U_MOREBITS) MSG_WriteByte (msg, bits>>8); // LordHavoc: extend bytes have to be written here due to delta compression if (bits & U_EXTEND1) MSG_WriteByte (msg, bits>>16); if (bits & U_EXTEND2) MSG_WriteByte (msg, bits>>24); // LordHavoc: old stuff if (bits & U_LONGENTITY) MSG_WriteShort (msg,e); else MSG_WriteByte (msg,e); if (bits & U_MODEL) MSG_WriteByte (msg, ent->v->modelindex); if (bits & U_FRAME) MSG_WriteByte (msg, ent->v->frame); if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v->colormap); if (bits & U_SKIN) MSG_WriteByte (msg, ent->v->skin); if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v->effects); if (bits & U_ORIGIN1) MSG_WriteDPCoord (msg, origin[0]); if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]); if (bits & U_ORIGIN2) MSG_WriteDPCoord (msg, origin[1]); if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]); if (bits & U_ORIGIN3) MSG_WriteDPCoord (msg, origin[2]); if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]); // LordHavoc: new stuff if (bits & U_ALPHA) MSG_WriteByte(msg, alpha); if (bits & U_SCALE) MSG_WriteByte(msg, scale); if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v->effects >> 8); if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize); if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor); if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v->frame >> 8); if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v->modelindex >> 8); } if (sv_cullentities_stats.integer) Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace); } #else static entity_frame_t sv_writeentitiestoclient_entityframe; void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg) { int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects, modelindex; int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities; float alphaf, lightsize; qbyte *pvs; vec3_t origin, angles, entmins, entmaxs, lightmins, lightmaxs, testorigin, testeye; edict_t *ent; eval_t *val; trace_t trace; model_t *model; entity_state_t *s; Mod_CheckLoaded(sv.worldmodel); // find the client's PVS // the real place being tested from VectorAdd (clent->v->origin, clent->v->view_ofs, testeye); pvs = SV_FatPVS (testeye); // the place being reported (to consider the fact the client still // applies the view_ofs[2], so we have to only send the fractional part // of view_ofs[2], undoing what the client will redo) VectorCopy (testeye, testorigin); e = (int) clent->v->view_ofs[2] & 255; if (e >= 128) e -= 256; testorigin[2] -= (float) e; EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin); culled_pvs = 0; culled_portal = 0; culled_trace = 0; visibleentities = 0; totalentities = 0; clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes // send all entities that touch the pvs ent = NEXT_EDICT(sv.edicts); for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent)) { if (ent->e->free) continue; flags = 0; if (ent != clent) // LordHavoc: always send player { if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict) { if (val->edict == clentnum) flags |= RENDER_VIEWMODEL; // show relative to the view else { // don't show to anyone else continue; } } else { // LordHavoc: never draw something told not to display to this client if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum) continue; if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum) continue; } } glowsize = 0; effects = ent->v->effects; if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size))) glowsize = (int) val->_float >> 2; glowsize = bound(0, glowsize, 255); lightsize = 0; if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST)) { if (effects & EF_BRIGHTFIELD) lightsize = max(lightsize, 80); if (effects & EF_MUZZLEFLASH) lightsize = max(lightsize, 100); if (effects & EF_BRIGHTLIGHT) lightsize = max(lightsize, 400); if (effects & EF_DIMLIGHT) lightsize = max(lightsize, 200); if (effects & EF_RED) lightsize = max(lightsize, 200); if (effects & EF_BLUE) lightsize = max(lightsize, 200); if (effects & EF_FLAME) lightsize = max(lightsize, 250); if (effects & EF_STARDUST) lightsize = max(lightsize, 100); } if (glowsize) lightsize = max(lightsize, glowsize << 2); if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail))) if (val->_float != 0) { flags |= RENDER_GLOWTRAIL; lightsize = max(lightsize, 100); } modelindex = 0; if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model)) { modelindex = ent->v->modelindex; model = sv.models[(int)ent->v->modelindex]; Mod_CheckLoaded(model); } else { model = NULL; if (ent != clent) // LordHavoc: always send player if (lightsize == 0) // no effects continue; } VectorCopy(ent->v->angles, angles); VectorCopy(ent->v->origin, origin); // ent has survived every check so far, check if it is visible // always send embedded brush models, they don't generate much traffic if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*')) { // use the predicted origin entmins[0] = origin[0] - 1.0f; entmins[1] = origin[1] - 1.0f; entmins[2] = origin[2] - 1.0f; entmaxs[0] = origin[0] + 1.0f; entmaxs[1] = origin[1] + 1.0f; entmaxs[2] = origin[2] + 1.0f; // using the model's bounding box to ensure things are visible regardless of their physics box if (model) { if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll { VectorAdd(entmins, model->rotatedmins, entmins); VectorAdd(entmaxs, model->rotatedmaxs, entmaxs); } else if (ent->v->angles[1]) { VectorAdd(entmins, model->yawmins, entmins); VectorAdd(entmaxs, model->yawmaxs, entmaxs); } else { VectorAdd(entmins, model->normalmins, entmins); VectorAdd(entmaxs, model->normalmaxs, entmaxs); } } lightmins[0] = min(entmins[0], origin[0] - lightsize); lightmins[1] = min(entmins[1], origin[1] - lightsize); lightmins[2] = min(entmins[2], origin[2] - lightsize); lightmaxs[0] = min(entmaxs[0], origin[0] + lightsize); lightmaxs[1] = min(entmaxs[1], origin[1] + lightsize); lightmaxs[2] = min(entmaxs[2], origin[2] + lightsize); totalentities++; // if not touching a visible leaf if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, lightmins, lightmaxs, sv.worldmodel->nodes)) { culled_pvs++; continue; } // or not visible through the portals if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, lightmins, lightmaxs)) { culled_portal++; continue; } if (sv_cullentities_trace.integer) { // LordHavoc: test center first testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f; testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f; testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f; Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin); if (trace.fraction == 1) client->visibletime[e] = realtime + 1; else { // LordHavoc: test random offsets, to maximize chance of detection testorigin[0] = lhrandom(entmins[0], entmaxs[0]); testorigin[1] = lhrandom(entmins[1], entmaxs[1]); testorigin[2] = lhrandom(entmins[2], entmaxs[2]); Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin); if (trace.fraction == 1) client->visibletime[e] = realtime + 1; else { if (lightsize) { // LordHavoc: test random offsets, to maximize chance of detection testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]); testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]); testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]); Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin); if (trace.fraction == 1) client->visibletime[e] = realtime + 1; else { if (realtime > client->visibletime[e]) { culled_trace++; continue; } } } else { if (realtime > client->visibletime[e]) { culled_trace++; continue; } } } } } visibleentities++; } alphaf = 255.0f; scale = 16; glowcolor = 254; effects = ent->v->effects; if ((val = GETEDICTFIELDVALUE(ent, eval_alpha))) if (val->_float != 0) alphaf = val->_float * 255.0; // HalfLife support if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt))) if (val->_float != 0) alphaf = val->_float; if (alphaf == 0.0f) alphaf = 255.0f; alpha = bound(0, alphaf, 255); if ((val = GETEDICTFIELDVALUE(ent, eval_scale))) if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16; if (scale < 0) scale = 0; if (scale > 255) scale = 255; if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color))) if (val->_float != 0) glowcolor = (int) val->_float; if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright))) if (val->_float != 0) effects |= EF_FULLBRIGHT; if (ent != clent) { if (lightsize == 0) // no effects { if (model) // model { // don't send if flagged for NODRAW and there are no effects if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0)) continue; } else // no model and no effects continue; } } if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum) flags |= RENDER_EXTERIORMODEL; if (ent->v->movetype == MOVETYPE_STEP) flags |= RENDER_STEP; // don't send an entity if it's coordinates would wrap around if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767) flags |= RENDER_LOWPRECISION; s = EntityFrame_NewEntity(&sv_writeentitiestoclient_entityframe, e); // if we run out of space, abort if (!s) break; VectorCopy(origin, s->origin); VectorCopy(angles, s->angles); if (ent->v->colormap >= 1024) flags |= RENDER_COLORMAPPED; s->colormap = ent->v->colormap; s->skin = ent->v->skin; s->frame = ent->v->frame; s->modelindex = modelindex; s->effects = effects; s->alpha = alpha; s->scale = scale; s->glowsize = glowsize; s->glowcolor = glowcolor; s->flags = flags; } sv_writeentitiestoclient_entityframe.framenum = ++client->entityframenumber; EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg); if (sv_cullentities_stats.integer) Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace); } #endif /* ============= SV_CleanupEnts ============= */ void SV_CleanupEnts (void) { int e; edict_t *ent; ent = NEXT_EDICT(sv.edicts); for (e=1 ; ev->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH; } /* ================== SV_WriteClientdataToMessage ================== */ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg) { int bits; int i; edict_t *other; int items; eval_t *val; vec3_t punchvector; qbyte viewzoom; // // send a damage message // if (ent->v->dmg_take || ent->v->dmg_save) { other = PROG_TO_EDICT(ent->v->dmg_inflictor); MSG_WriteByte (msg, svc_damage); MSG_WriteByte (msg, ent->v->dmg_save); MSG_WriteByte (msg, ent->v->dmg_take); for (i=0 ; i<3 ; i++) MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i])); ent->v->dmg_take = 0; ent->v->dmg_save = 0; } // // send the current viewpos offset from the view entity // SV_SetIdealPitch (); // how much to look up / down ideally // a fixangle might get lost in a dropped packet. Oh well. if ( ent->v->fixangle ) { MSG_WriteByte (msg, svc_setangle); for (i=0 ; i < 3 ; i++) MSG_WriteAngle (msg, ent->v->angles[i] ); ent->v->fixangle = 0; } bits = 0; if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT; if (ent->v->idealpitch) bits |= SU_IDEALPITCH; // stuff the sigil bits into the high bits of items for sbar, or else // mix in items2 val = GETEDICTFIELDVALUE(ent, eval_items2); if (val) items = (int)ent->v->items | ((int)val->_float << 23); else items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28); bits |= SU_ITEMS; if ( (int)ent->v->flags & FL_ONGROUND) bits |= SU_ONGROUND; if ( ent->v->waterlevel >= 2) bits |= SU_INWATER; // dpprotocol VectorClear(punchvector); if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector))) VectorCopy(val->vector, punchvector); i = 255; if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom))) { i = val->_float * 255.0f; if (i == 0) i = 255; else i = bound(0, i, 255); } viewzoom = i; if (viewzoom != 255) bits |= SU_VIEWZOOM; for (i=0 ; i<3 ; i++) { if (ent->v->punchangle[i]) bits |= (SU_PUNCH1<v->velocity[i]) bits |= (SU_VELOCITY1<v->weaponframe) bits |= SU_WEAPONFRAME; if (ent->v->armorvalue) bits |= SU_ARMOR; bits |= SU_WEAPON; if (bits >= 65536) bits |= SU_EXTEND1; if (bits >= 16777216) bits |= SU_EXTEND2; // send the data MSG_WriteByte (msg, svc_clientdata); MSG_WriteShort (msg, bits); if (bits & SU_EXTEND1) MSG_WriteByte(msg, bits >> 16); if (bits & SU_EXTEND2) MSG_WriteByte(msg, bits >> 24); if (bits & SU_VIEWHEIGHT) MSG_WriteChar (msg, ent->v->view_ofs[2]); if (bits & SU_IDEALPITCH) MSG_WriteChar (msg, ent->v->idealpitch); for (i=0 ; i<3 ; i++) { if (bits & (SU_PUNCH1<v->punchangle[i]); // dpprotocol if (bits & (SU_PUNCHVEC1<v->velocity[i]/16); } // [always sent] if (bits & SU_ITEMS) MSG_WriteLong (msg, items); if (bits & SU_WEAPONFRAME) MSG_WriteByte (msg, ent->v->weaponframe); if (bits & SU_ARMOR) MSG_WriteByte (msg, ent->v->armorvalue); if (bits & SU_WEAPON) MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel))); MSG_WriteShort (msg, ent->v->health); MSG_WriteByte (msg, ent->v->currentammo); MSG_WriteByte (msg, ent->v->ammo_shells); MSG_WriteByte (msg, ent->v->ammo_nails); MSG_WriteByte (msg, ent->v->ammo_rockets); MSG_WriteByte (msg, ent->v->ammo_cells); if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE) { for(i=0;i<32;i++) { if ( ((int)ent->v->weapon) & (1<v->weapon); } if (bits & SU_VIEWZOOM) MSG_WriteByte (msg, viewzoom); } /* ======================= SV_SendClientDatagram ======================= */ static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME? qboolean SV_SendClientDatagram (client_t *client) { sizebuf_t msg; msg.data = sv_sendclientdatagram_buf; msg.maxsize = sizeof(sv_sendclientdatagram_buf); msg.cursize = 0; MSG_WriteByte (&msg, svc_time); MSG_WriteFloat (&msg, sv.time); // add the client specific data to the datagram SV_WriteClientdataToMessage (client->edict, &msg); SV_WriteEntitiesToClient (client, client->edict, &msg); // copy the server datagram if there is space if (msg.cursize + sv.datagram.cursize < msg.maxsize) SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize); // send the datagram if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1) { SV_DropClient (true);// if the message couldn't send, kick off return false; } return true; } /* ======================= SV_UpdateToReliableMessages ======================= */ void SV_UpdateToReliableMessages (void) { int i, j; client_t *client; eval_t *val; char *s; // check for changes to be sent over the reliable streams for (i=0, host_client = svs.clients ; iedict; s = PR_GetString(sv_player->v->netname); if (s != host_client->name) { if (s == NULL) s = ""; // point the string back at host_client->name to keep it safe strncpy(host_client->name, s, sizeof(host_client->name) - 1); sv_player->v->netname = PR_SetString(host_client->name); } if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float) host_client->colors = val->_float; host_client->frags = sv_player->v->frags; if (gamemode == GAME_NEHAHRA) if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float) host_client->pmodel = val->_float; // if the fields changed, send messages about the changes if (strcmp(host_client->old_name, host_client->name)) { strcpy(host_client->old_name, host_client->name); for (j=0, client = svs.clients ; jactive || !client->spawned) continue; MSG_WriteByte (&client->message, svc_updatename); MSG_WriteByte (&client->message, i); MSG_WriteString (&client->message, host_client->name); } } if (host_client->old_colors != host_client->colors) { host_client->old_colors = host_client->colors; for (j=0, client = svs.clients ; jactive || !client->spawned) continue; MSG_WriteByte (&client->message, svc_updatecolors); MSG_WriteByte (&client->message, i); MSG_WriteByte (&client->message, host_client->colors); } } if (host_client->old_frags != host_client->frags) { host_client->old_frags = host_client->frags; for (j=0, client = svs.clients ; jactive || !client->spawned) continue; MSG_WriteByte (&client->message, svc_updatefrags); MSG_WriteByte (&client->message, i); MSG_WriteShort (&client->message, host_client->frags); } } } for (j=0, client = svs.clients ; jactive) continue; SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize); } SZ_Clear (&sv.reliable_datagram); } /* ======================= SV_SendNop Send a nop message without trashing or sending the accumulated client message buffer ======================= */ void SV_SendNop (client_t *client) { sizebuf_t msg; qbyte buf[4]; msg.data = buf; msg.maxsize = sizeof(buf); msg.cursize = 0; MSG_WriteChar (&msg, svc_nop); if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1) SV_DropClient (true); // if the message couldn't send, kick off client->last_message = realtime; } /* ======================= SV_SendClientMessages ======================= */ void SV_SendClientMessages (void) { int i; // update frags, names, etc SV_UpdateToReliableMessages (); // build individual updates for (i=0, host_client = svs.clients ; iactive) continue; if (host_client->deadsocket) { SV_DropClient (true); // if the message couldn't send, kick off continue; } if (host_client->spawned) { if (!SV_SendClientDatagram (host_client)) continue; } else { // the player isn't totally in the game yet // send small keepalive messages if too much time has passed // send a full message when the next signon stage has been requested // some other message data (name changes, etc) may accumulate // between signon stages if (!host_client->sendsignon) { if (realtime - host_client->last_message > 5) SV_SendNop (host_client); continue; // don't send out non-signon messages } } // check for an overflowed message. Should only happen // on a very fucked up connection that backs up a lot, then // changes level if (host_client->message.overflowed) { SV_DropClient (true); // overflowed host_client->message.overflowed = false; continue; } if (host_client->message.cursize || host_client->dropasap) { if (!NetConn_CanSendMessage (host_client->netconnection)) continue; if (host_client->dropasap) SV_DropClient (false); // went to another level else { if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1) SV_DropClient (true); // if the message couldn't send, kick off SZ_Clear (&host_client->message); host_client->last_message = realtime; host_client->sendsignon = false; } } } // clear muzzle flashes SV_CleanupEnts (); } /* ============================================================================== SERVER SPAWNING ============================================================================== */ /* ================ SV_ModelIndex ================ */ int SV_ModelIndex (const char *name) { int i; if (!name || !name[0]) return 0; for (i=0 ; ie->baseline); if (svent->e->free) continue; if (entnum > svs.maxclients && !svent->v->modelindex) continue; // create entity baseline VectorCopy (svent->v->origin, svent->e->baseline.origin); VectorCopy (svent->v->angles, svent->e->baseline.angles); svent->e->baseline.frame = svent->v->frame; svent->e->baseline.skin = svent->v->skin; if (entnum > 0 && entnum <= svs.maxclients) { svent->e->baseline.colormap = entnum; svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl"); } else { svent->e->baseline.colormap = 0; svent->e->baseline.modelindex = svent->v->modelindex; } large = false; if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00) large = true; // add to the message if (large) MSG_WriteByte (&sv.signon, svc_spawnbaseline2); else MSG_WriteByte (&sv.signon, svc_spawnbaseline); MSG_WriteShort (&sv.signon, entnum); if (large) { MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex); MSG_WriteShort (&sv.signon, svent->e->baseline.frame); } else { MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex); MSG_WriteByte (&sv.signon, svent->e->baseline.frame); } MSG_WriteByte (&sv.signon, svent->e->baseline.colormap); MSG_WriteByte (&sv.signon, svent->e->baseline.skin); for (i=0 ; i<3 ; i++) { MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]); MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]); } } } #endif /* ================ SV_SendReconnect Tell all the clients that the server is changing levels ================ */ void SV_SendReconnect (void) { char data[128]; sizebuf_t msg; msg.data = data; msg.cursize = 0; msg.maxsize = sizeof(data); MSG_WriteChar (&msg, svc_stufftext); MSG_WriteString (&msg, "reconnect\n"); NetConn_SendToAll (&msg, 5); if (cls.state != ca_dedicated) Cmd_ExecuteString ("reconnect\n", src_command); } /* ================ SV_SaveSpawnparms Grabs the current state of each client for saving across the transition to another level ================ */ void SV_SaveSpawnparms (void) { int i, j; svs.serverflags = pr_global_struct->serverflags; for (i=0, host_client = svs.clients ; iactive) continue; // call the progs to get default spawn parms for the new client pr_global_struct->self = EDICT_TO_PROG(host_client->edict); PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing"); for (j=0 ; jspawn_parms[j] = (&pr_global_struct->parm1)[j]; } } void SV_IncreaseEdicts(void) { int i; edict_t *ent; int oldmax_edicts = sv.max_edicts; void *oldedictsengineprivate = sv.edictsengineprivate; void *oldedictsfields = sv.edictsfields; void *oldmoved_edicts = sv.moved_edicts; // links don't survive the transition, so unlink everything for (i = 0;i < sv.max_edicts;i++) SV_UnlinkEdict (sv.edicts + i); SV_ClearWorld(); sv.max_edicts = min(sv.max_edicts + 32, MAX_EDICTS); sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t)); sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size); sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *)); memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t)); memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size); for (i = 0;i < sv.max_edicts;i++) { ent = sv.edicts + i; ent->e = sv.edictsengineprivate + i; ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size); // link every entity except world if (i > 0) SV_LinkEdict(ent, false); } Mem_Free(oldedictsengineprivate); Mem_Free(oldedictsfields); Mem_Free(oldmoved_edicts); } /* ================ SV_SpawnServer This is called at the start of each level ================ */ extern float scr_centertime_off; void SV_SpawnServer (const char *server) { edict_t *ent; int i; qbyte *entities; // let's not have any servers with no name if (hostname.string[0] == 0) Cvar_Set ("hostname", "UNNAMED"); scr_centertime_off = 0; Con_DPrintf ("SpawnServer: %s\n",server); svs.changelevel_issued = false; // now safe to issue another // // tell all connected clients that we are going to a new level // if (sv.active) SV_SendReconnect (); else NetConn_OpenServerPorts(svs.maxclients > 1); // // make cvars consistant // if (coop.integer) Cvar_SetValue ("deathmatch", 0); current_skill = bound(0, (int)(skill.value + 0.5), 3); Cvar_SetValue ("skill", (float)current_skill); // // set up the new server // Host_ClearMemory (); memset (&sv, 0, sizeof(sv)); strcpy (sv.name, server); // load progs to get entity field count PR_LoadProgs (); // allocate server memory // start out with just enough room for clients and a reasonable estimate of entities sv.max_edicts = ((svs.maxclients + 128) + 31) & ~31; sv.max_edicts = min(sv.max_edicts, MAX_EDICTS); // clear the edict memory pool Mem_EmptyPool(sv_edicts_mempool); // edict_t structures (hidden from progs) sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t)); // engine private structures (hidden from progs) sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t)); // progs fields, often accessed by server sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size); // used by PushMove to move back pushed entities sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *)); for (i = 0;i < sv.max_edicts;i++) { ent = sv.edicts + i; ent->e = sv.edictsengineprivate + i; ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size); } sv.datagram.maxsize = sizeof(sv.datagram_buf); sv.datagram.cursize = 0; sv.datagram.data = sv.datagram_buf; sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf); sv.reliable_datagram.cursize = 0; sv.reliable_datagram.data = sv.reliable_datagram_buf; sv.signon.maxsize = sizeof(sv.signon_buf); sv.signon.cursize = 0; sv.signon.data = sv.signon_buf; // leave slots at start for clients only sv.num_edicts = svs.maxclients+1; for (i=0 ; inumsubmodels;i++) { sv.model_precache[i+1] = localmodels[i]; sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false); } // // load the rest of the entities // ent = EDICT_NUM(0); memset (ent->v, 0, progs->entityfields * 4); ent->e->free = false; ent->v->model = PR_SetString(sv.modelname); ent->v->modelindex = 1; // world model ent->v->solid = SOLID_BSP; ent->v->movetype = MOVETYPE_PUSH; if (coop.integer) pr_global_struct->coop = coop.integer; else pr_global_struct->deathmatch = deathmatch.integer; pr_global_struct->mapname = PR_SetString(sv.name); // serverflags are for cross level information (sigils) pr_global_struct->serverflags = svs.serverflags; // load replacement entity file if found entities = NULL; if (sv_entpatch.integer) entities = FS_LoadFile(va("maps/%s.ent", sv.name), true); if (entities) { Con_Printf("Loaded maps/%s.ent\n", sv.name); ED_LoadFromFile (entities); Mem_Free(entities); } else ED_LoadFromFile (sv.worldmodel->entities); // LordHavoc: clear world angles (to fix e3m3.bsp) VectorClear(sv.edicts->v->angles); sv.active = true; // all setup is completed, any further precache statements are errors sv.state = ss_active; // run two frames to allow everything to settle sv.frametime = pr_global_struct->frametime = host_frametime = 0.1; SV_Physics (); sv.frametime = pr_global_struct->frametime = host_frametime = 0.1; SV_Physics (); Mod_PurgeUnused(); #ifdef QUAKEENTITIES // create a baseline for more efficient communications SV_CreateBaseline (); #endif // send serverinfo to all connected clients for (i=0,host_client = svs.clients ; iactive) SV_SendServerinfo (host_client); Con_DPrintf ("Server spawned.\n"); NetConn_Heartbeat (2); }