X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=sv_send.c;h=a1ee1050ab3cb69b14251c0be1bdc3b7ef165e27;hp=32b78e39467e4733fa3a0d7707934e0dc7d47c47;hb=0706fdfa8e33548670e59234409eac2c51849631;hpb=f38f2319326209a596d18af8e6634a0d1e2e78cc diff --git a/sv_send.c b/sv_send.c index 32b78e39..a1ee1050 100644 --- a/sv_send.c +++ b/sv_send.c @@ -19,6 +19,29 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "quakedef.h" +#include "sv_demo.h" + +extern cvar_t sv_airaccel_qw_stretchfactor; +extern cvar_t sv_gameplayfix_customstats; +extern cvar_t sv_warsowbunny_airforwardaccel; +extern cvar_t sv_warsowbunny_accel; +extern cvar_t sv_warsowbunny_topspeed; +extern cvar_t sv_warsowbunny_turnaccel; +extern cvar_t sv_warsowbunny_backtosideratio; +extern cvar_t sv_onlycsqcnetworking; +extern cvar_t sv_cullentities_trace_entityocclusion; +extern cvar_t sv_cullentities_trace_samples_players; +extern cvar_t sv_cullentities_trace_eyejitter; +extern cvar_t sv_cullentities_trace_expand; +extern cvar_t sv_cullentities_trace_delay_players; + +/* +============================================================================= + +EVENT MESSAGES + +============================================================================= +*/ /* ================= @@ -78,7 +101,7 @@ void SV_BroadcastPrint(const char *msg) } } - if (sv_echobprint.integer && cls.state == ca_dedicated) + if (sv_echobprint.integer && !host_isclient.integer) Con_Print(msg); } @@ -122,4 +145,1586 @@ void SV_ClientCommands(const char *fmt, ...) MSG_WriteByte(&host_client->netconnection->message, svc_stufftext); MSG_WriteString(&host_client->netconnection->message, string); -} \ No newline at end of file +} + +/* +================== +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; + + if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18) + return; + MSG_WriteByte (&sv.datagram, svc_particle); + MSG_WriteCoord (&sv.datagram, org[0], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[1], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[2], sv.protocol); + for (i=0 ; i<3 ; i++) + MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127)); + MSG_WriteByte (&sv.datagram, count); + MSG_WriteByte (&sv.datagram, color); + SV_FlushBroadcastMessages(); +} + +/* +================== +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 (modelindex >= 256 || startframe >= 256) + { + if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19) + return; + MSG_WriteByte (&sv.datagram, svc_effect2); + MSG_WriteCoord (&sv.datagram, org[0], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[1], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[2], sv.protocol); + MSG_WriteShort (&sv.datagram, modelindex); + MSG_WriteShort (&sv.datagram, startframe); + MSG_WriteByte (&sv.datagram, framecount); + MSG_WriteByte (&sv.datagram, framerate); + } + else + { + if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17) + return; + MSG_WriteByte (&sv.datagram, svc_effect); + MSG_WriteCoord (&sv.datagram, org[0], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[1], sv.protocol); + MSG_WriteCoord (&sv.datagram, org[2], sv.protocol); + MSG_WriteByte (&sv.datagram, modelindex); + MSG_WriteByte (&sv.datagram, startframe); + MSG_WriteByte (&sv.datagram, framecount); + MSG_WriteByte (&sv.datagram, framerate); + } + SV_FlushBroadcastMessages(); +} + +/* +================== +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 (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qbool reliable, float speed) +{ + prvm_prog_t *prog = SVVM_prog; + sizebuf_t *dest; + int sound_num, field_mask, i, ent, speed4000; + + dest = (reliable ? &sv.reliable_datagram : &sv.datagram); + + if (nvolume < 0 || nvolume > 255) + { + Con_Printf ("SV_StartSound: volume = %i\n", nvolume); + return; + } + + if (attenuation < 0 || attenuation > 4) + { + Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation); + return; + } + + if (!IS_CHAN(channel)) + { + Con_Printf ("SV_StartSound: channel = %i\n", channel); + return; + } + + channel = CHAN_ENGINE2NET(channel); + + if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21) + return; + +// find precache number for sound + sound_num = SV_SoundIndex(sample, 1); + if (!sound_num) + return; + + ent = PRVM_NUM_FOR_EDICT(entity); + + speed4000 = (int)floor(speed * 4000.0f + 0.5f); + field_mask = 0; + if (nvolume != DEFAULT_SOUND_PACKET_VOLUME) + field_mask |= SND_VOLUME; + if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION) + field_mask |= SND_ATTENUATION; + if (speed4000 && speed4000 != 4000) + field_mask |= SND_SPEEDUSHORT4000; + if (ent >= 8192 || channel < 0 || channel > 7) + field_mask |= SND_LARGEENTITY; + if (sound_num >= 256) + field_mask |= SND_LARGESOUND; + +// directed messages go only to the entity they are targeted on + MSG_WriteByte (dest, svc_sound); + MSG_WriteByte (dest, field_mask); + if (field_mask & SND_VOLUME) + MSG_WriteByte (dest, nvolume); + if (field_mask & SND_ATTENUATION) + MSG_WriteByte (dest, (int)(attenuation*64)); + if (field_mask & SND_SPEEDUSHORT4000) + MSG_WriteShort (dest, speed4000); + if (field_mask & SND_LARGEENTITY) + { + MSG_WriteShort (dest, ent); + MSG_WriteChar (dest, channel); + } + else + MSG_WriteShort (dest, (ent<<3) | channel); + if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) + MSG_WriteShort (dest, sound_num); + else + MSG_WriteByte (dest, sound_num); + for (i = 0;i < 3;i++) + MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol); + + // TODO do we have to do anything here when dest is &sv.reliable_datagram? + if(!reliable) + SV_FlushBroadcastMessages(); +} + +/* +================== +SV_StartPointSound + +Nearly the same logic as SV_StartSound, except an origin +instead of an entity is provided and channel is omitted. + +The entity sent to the client is 0 (world) and the channel +is 0 (CHAN_AUTO). SND_LARGEENTITY will never occur in this +function, therefore the check for it is omitted. + +================== +*/ +void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed) +{ + int sound_num, field_mask, i, speed4000; + + if (nvolume < 0 || nvolume > 255) + { + Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume); + return; + } + + if (attenuation < 0 || attenuation > 4) + { + Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation); + return; + } + + if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21) + return; + + // find precache number for sound + sound_num = SV_SoundIndex(sample, 1); + if (!sound_num) + return; + + speed4000 = (int)(speed * 40.0f); + field_mask = 0; + if (nvolume != DEFAULT_SOUND_PACKET_VOLUME) + field_mask |= SND_VOLUME; + if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION) + field_mask |= SND_ATTENUATION; + if (sound_num >= 256) + field_mask |= SND_LARGESOUND; + if (speed4000 && speed4000 != 4000) + field_mask |= SND_SPEEDUSHORT4000; + +// 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, nvolume); + if (field_mask & SND_ATTENUATION) + MSG_WriteByte (&sv.datagram, (int)(attenuation*64)); + if (field_mask & SND_SPEEDUSHORT4000) + MSG_WriteShort (&sv.datagram, speed4000); + // Always write entnum 0 for the world entity + MSG_WriteShort (&sv.datagram, (0<<3) | 0); + 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_WriteCoord (&sv.datagram, origin[i], sv.protocol); + SV_FlushBroadcastMessages(); +} + +/* +=============================================================================== + +FRAME UPDATES + +=============================================================================== +*/ + +/* +============================================================================= + +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. + +============================================================================= +*/ + +static qbool SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber) +{ + prvm_prog_t *prog = SVVM_prog; + int i; + unsigned int sendflags; + unsigned int version; + unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius; + unsigned int customizeentityforclient; + unsigned int sendentity; + float f; + prvm_vec_t *v; + vec3_t cullmins, cullmaxs; + model_t *model; + + // fast path for games that do not use legacy entity networking + // note: still networks clients even if they are legacy + sendentity = PRVM_serveredictfunction(ent, SendEntity); + if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients) + return false; + + // this 2 billion unit check is actually to detect NAN origins + // (we really don't want to send those) + if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0)) + return false; + + // EF_NODRAW prevents sending for any reason except for your own + // client, so we must keep all clients in this superset + effects = (unsigned)PRVM_serveredictfloat(ent, effects); + + // we can omit invisible entities with no effects that are not clients + // LadyHavoc: this could kill tags attached to an invisible entity, I + // just hope we never have to support that case + i = (int)PRVM_serveredictfloat(ent, modelindex); + modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0; + + flags = 0; + i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f); + glowsize = (unsigned char)bound(0, i, 255); + if (PRVM_serveredictfloat(ent, glow_trail)) + flags |= RENDER_GLOWTRAIL; + if (PRVM_serveredictedict(ent, viewmodelforclient)) + flags |= RENDER_VIEWMODEL; + + v = PRVM_serveredictvector(ent, color); + f = v[0]*256; + light[0] = (unsigned short)bound(0, f, 65535); + f = v[1]*256; + light[1] = (unsigned short)bound(0, f, 65535); + f = v[2]*256; + light[2] = (unsigned short)bound(0, f, 65535); + f = PRVM_serveredictfloat(ent, light_lev); + light[3] = (unsigned short)bound(0, f, 65535); + lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style); + lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags); + + if (gamemode == GAME_TENEBRAE) + { + // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW + if (effects & 16) + { + effects &= ~16; + lightpflags |= PFLAGS_FULLDYNAMIC; + } + // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE + if (effects & 32) + { + effects &= ~32; + light[0] = (int)(0.2*256); + light[1] = (int)(1.0*256); + light[2] = (int)(0.2*256); + light[3] = 200; + lightpflags |= PFLAGS_FULLDYNAMIC; + } + } + + specialvisibilityradius = 0; + if (lightpflags & PFLAGS_FULLDYNAMIC) + specialvisibilityradius = max(specialvisibilityradius, light[3]); + if (glowsize) + specialvisibilityradius = max(specialvisibilityradius, glowsize * 4); + if (flags & RENDER_GLOWTRAIL) + specialvisibilityradius = max(specialvisibilityradius, 100); + if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST)) + { + if (effects & EF_BRIGHTFIELD) + specialvisibilityradius = max(specialvisibilityradius, 80); + if (effects & EF_MUZZLEFLASH) + specialvisibilityradius = max(specialvisibilityradius, 100); + if (effects & EF_BRIGHTLIGHT) + specialvisibilityradius = max(specialvisibilityradius, 400); + if (effects & EF_DIMLIGHT) + specialvisibilityradius = max(specialvisibilityradius, 200); + if (effects & EF_RED) + specialvisibilityradius = max(specialvisibilityradius, 200); + if (effects & EF_BLUE) + specialvisibilityradius = max(specialvisibilityradius, 200); + if (effects & EF_FLAME) + specialvisibilityradius = max(specialvisibilityradius, 250); + if (effects & EF_STARDUST) + specialvisibilityradius = max(specialvisibilityradius, 100); + } + + // early culling checks + // (final culling is done by SV_MarkWriteEntityStateToClient) + customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient); + if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius)) + return false; + + *cs = defaultstate; + cs->active = ACTIVE_NETWORK; + cs->number = enumber; + VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin); + VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles); + cs->flags = flags; + cs->effects = effects; + cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap); + cs->modelindex = modelindex; + cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin); + cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame); + cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient); + cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient); + cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient); + cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient); + cs->customizeentityforclient = customizeentityforclient; + cs->tagentity = PRVM_serveredictedict(ent, tag_entity); + cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index); + cs->glowsize = glowsize; + cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum); + + // don't need to init cs->colormod because the defaultstate did that for us + //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32; + v = PRVM_serveredictvector(ent, colormod); + if (VectorLength2(v)) + { + i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255); + i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255); + i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255); + } + + // don't need to init cs->glowmod because the defaultstate did that for us + //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32; + v = PRVM_serveredictvector(ent, glowmod); + if (VectorLength2(v)) + { + i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255); + i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255); + i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255); + } + + cs->modelindex = modelindex; + + cs->alpha = 255; + f = (PRVM_serveredictfloat(ent, alpha) * 255.0f); + if (f) + { + i = (int)f; + cs->alpha = (unsigned char)bound(0, i, 255); + } + // halflife + f = (PRVM_serveredictfloat(ent, renderamt)); + if (f) + { + i = (int)f; + cs->alpha = (unsigned char)bound(0, i, 255); + } + + cs->scale = 16; + f = (PRVM_serveredictfloat(ent, scale) * 16.0f); + if (f) + { + i = (int)f; + cs->scale = (unsigned char)bound(0, i, 255); + } + + cs->glowcolor = 254; + f = PRVM_serveredictfloat(ent, glow_color); + if (f) + cs->glowcolor = (int)f; + + if (PRVM_serveredictfloat(ent, fullbright)) + cs->effects |= EF_FULLBRIGHT; + + f = PRVM_serveredictfloat(ent, modelflags); + if (f) + cs->effects |= ((unsigned int)f & 0xff) << 24; + + if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP) + cs->flags |= RENDER_STEP; + 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) + cs->flags |= RENDER_LOWPRECISION; + if (PRVM_serveredictfloat(ent, colormap) >= 1024) + cs->flags |= RENDER_COLORMAPPED; + if (cs->viewmodelforclient) + cs->flags |= RENDER_VIEWMODEL; // show relative to the view + + if (PRVM_serveredictfloat(ent, sendcomplexanimation)) + { + cs->flags |= RENDER_COMPLEXANIMATION; + if (PRVM_serveredictfloat(ent, skeletonindex) >= 1) + cs->skeletonobject = ent->priv.server->skeleton; + cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame); + cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2); + cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3); + cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4); + cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time); + cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time); + cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time); + cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time); + cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac); + cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3); + cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4); + cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp; + cs->frame = 0; // don't need the legacy frame + } + + cs->light[0] = light[0]; + cs->light[1] = light[1]; + cs->light[2] = light[2]; + cs->light[3] = light[3]; + cs->lightstyle = lightstyle; + cs->lightpflags = lightpflags; + + cs->specialvisibilityradius = specialvisibilityradius; + + // calculate the visible box of this entity (don't use the physics box + // as that is often smaller than a model, and would not count + // specialvisibilityradius) + if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null)) + { + float scale = cs->scale * (1.0f / 16.0f); + if (cs->angles[0] || cs->angles[2]) // pitch and roll + { + VectorMA(cs->origin, scale, model->rotatedmins, cullmins); + VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs); + } + else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE)) + { + VectorMA(cs->origin, scale, model->yawmins, cullmins); + VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs); + } + else + { + VectorMA(cs->origin, scale, model->normalmins, cullmins); + VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs); + } + } + else + { + // if there is no model (or it could not be loaded), use the physics box + VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins); + VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs); + } + if (specialvisibilityradius) + { + cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius); + cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius); + cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius); + cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius); + cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius); + cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius); + } + + // calculate center of bbox for network prioritization purposes + VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter); + + // if culling box has moved, update pvs cluster links + if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs)) + { + VectorCopy(cullmins, ent->priv.server->cullmins); + VectorCopy(cullmaxs, ent->priv.server->cullmaxs); + // a value of -1 for pvs_numclusters indicates that the links are not + // cached, and should be re-tested each time, this is the case if the + // culling box touches too many pvs clusters to store, or if the world + // model does not support FindBoxClusters + ent->priv.server->pvs_numclusters = -1; + if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters) + { + i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist); + if (i <= MAX_ENTITYCLUSTERS) + ent->priv.server->pvs_numclusters = i; + } + } + + // we need to do some csqc entity upkeep here + // get self.SendFlags and clear them + // (to let the QC know that they've been read) + if (sendentity) + { + sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags); + PRVM_serveredictfloat(ent, SendFlags) = 0; + // legacy self.Version system + if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version))) + { + if (sv.csqcentityversion[enumber] != version) + sendflags = 0xFFFFFF; + sv.csqcentityversion[enumber] = version; + } + // move sendflags into the per-client sendflags + if (sendflags) + for (i = 0;i < svs.maxclients;i++) + svs.clients[i].csqcentitysendflags[enumber] |= sendflags; + // mark it as inactive for non-csqc networking + cs->active = ACTIVE_SHARED; + } + + return true; +} + +static void SV_PrepareEntitiesForSending(void) +{ + prvm_prog_t *prog = SVVM_prog; + int e; + prvm_edict_t *ent; + // send all entities that touch the pvs + sv.numsendentities = 0; + sv.sendentitiesindex[0] = NULL; + memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex)); + for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent)) + { + if (!ent->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e)) + { + sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities; + sv.numsendentities++; + } + } +} + +#define MAX_LINEOFSIGHTTRACES 64 + +qbool SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs) +{ + prvm_prog_t *prog = SVVM_prog; + float pitchsign; + float alpha; + float starttransformed[3], endtransformed[3]; + float boxminstransformed[3], boxmaxstransformed[3]; + float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3]; + int blocked = 0; + int traceindex; + int originalnumtouchedicts; + int numtouchedicts = 0; + int touchindex; + matrix4x4_t matrix, imatrix; + model_t *model; + prvm_edict_t *touch; + static prvm_edict_t *touchedicts[MAX_EDICTS]; + vec3_t eyemins, eyemaxs, start; + vec3_t boxmins, boxmaxs; + vec3_t clipboxmins, clipboxmaxs; + vec3_t endpoints[MAX_LINEOFSIGHTTRACES]; + + numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES); + + // jitter the eye location within this box + eyemins[0] = eye[0] - eyejitter; + eyemaxs[0] = eye[0] + eyejitter; + eyemins[1] = eye[1] - eyejitter; + eyemaxs[1] = eye[1] + eyejitter; + eyemins[2] = eye[2] - eyejitter; + eyemaxs[2] = eye[2] + eyejitter; + // expand the box a little + boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand; + boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand; + boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand; + boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand; + boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand; + boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand; + + VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]); + for (traceindex = 1;traceindex < numtraces;traceindex++) + VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2])); + + // calculate sweep box for the entire swarm of traces + VectorCopy(eyemins, clipboxmins); + VectorCopy(eyemaxs, clipboxmaxs); + for (traceindex = 0;traceindex < numtraces;traceindex++) + { + clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]); + clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]); + clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]); + clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]); + clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]); + clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]); + } + + // get the list of entities in the sweep box + if (sv_cullentities_trace_entityocclusion.integer) + numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts); + if (numtouchedicts > MAX_EDICTS) + { + // this never happens + Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS); + numtouchedicts = MAX_EDICTS; + } + // iterate the entities found in the sweep box and filter them + originalnumtouchedicts = numtouchedicts; + numtouchedicts = 0; + for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++) + { + touch = touchedicts[touchindex]; + if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP) + continue; + model = SV_GetModelFromEdict(touch); + if (!model || !model->brush.TraceLineOfSight) + continue; + // skip obviously transparent entities + alpha = PRVM_serveredictfloat(touch, alpha); + if (alpha && alpha < 1) + continue; + if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE) + continue; + touchedicts[numtouchedicts++] = touch; + } + + // now that we have a filtered list of "interesting" entities, fire each + // ray against all of them, this gives us an early-out case when something + // is visible (which it often is) + + for (traceindex = 0;traceindex < numtraces;traceindex++) + { + VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2])); + // check world occlusion + if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight) + if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs)) + continue; + for (touchindex = 0;touchindex < numtouchedicts;touchindex++) + { + touch = touchedicts[touchindex]; + model = SV_GetModelFromEdict(touch); + if(model && model->brush.TraceLineOfSight) + { + // get the entity matrix + pitchsign = SV_GetPitchSign(prog, touch); + Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1); + Matrix4x4_Invert_Simple(&imatrix, &matrix); + // see if the ray hits this entity + Matrix4x4_Transform(&imatrix, start, starttransformed); + Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed); + Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed); + Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed); + // transform the AABB to local space + VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter); + localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]); + localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]); + localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]); + localboxmins[0] = localboxcenter[0] - localboxextents[0]; + localboxmins[1] = localboxcenter[1] - localboxextents[1]; + localboxmins[2] = localboxcenter[2] - localboxextents[2]; + localboxmaxs[0] = localboxcenter[0] + localboxextents[0]; + localboxmaxs[1] = localboxcenter[1] + localboxextents[1]; + localboxmaxs[2] = localboxcenter[2] + localboxextents[2]; + if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs)) + { + blocked++; + break; + } + } + } + // check if the ray was blocked + if (touchindex < numtouchedicts) + continue; + // return if the ray was not blocked + return true; + } + + // no rays survived + return false; +} + +void SV_MarkWriteEntityStateToClient(entity_state_t *s) +{ + prvm_prog_t *prog = SVVM_prog; + int isbmodel; + model_t *model; + prvm_edict_t *ed; + if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark) + return; + sv.sententitiesconsideration[s->number] = sv.sententitiesmark; + sv.writeentitiestoclient_stats_totalentities++; + + if (s->customizeentityforclient) + { + PRVM_serverglobalfloat(time) = sv.time; + PRVM_serverglobaledict(self) = s->number; + PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber; + prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function"); + if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number)) + return; + } + + // never reject player + if (s->number != sv.writeentitiestoclient_cliententitynumber) + { + // check various rejection conditions + if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber) + return; + if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber) + return; + if (s->effects & EF_NODRAW) + return; + // LadyHavoc: only send entities with a model or important effects + if (!s->modelindex && s->specialvisibilityradius == 0) + return; + + isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*'; + // viewmodels don't have visibility checking + if (s->viewmodelforclient) + { + if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber) + return; + } + else if (s->tagentity) + { + // tag attached entities simply check their parent + if (!sv.sendentitiesindex[s->tagentity]) + return; + SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]); + if (sv.sententities[s->tagentity] != sv.sententitiesmark) + return; + } + // always send world submodels in newer protocols because they don't + // generate much traffic (in old protocols they hog bandwidth) + // but only if sv_cullentities_nevercullbmodels is off + else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)) + { + // entity has survived every check so far, check if visible + ed = PRVM_EDICT_NUM(s->number); + + // if not touching a visible leaf + if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes) + { + if (ed->priv.server->pvs_numclusters < 0) + { + // entity too big for clusters list + if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs)) + { + sv.writeentitiestoclient_stats_culled_pvs++; + return; + } + } + else + { + int i; + // check cached clusters list + for (i = 0;i < ed->priv.server->pvs_numclusters;i++) + if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i])) + break; + if (i == ed->priv.server->pvs_numclusters) + { + sv.writeentitiestoclient_stats_culled_pvs++; + return; + } + } + } + + // or not seen by random tracelines + if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer) + { + int samples = + s->number <= svs.maxclients + ? sv_cullentities_trace_samples_players.integer + : + s->specialvisibilityradius + ? sv_cullentities_trace_samples_extra.integer + : sv_cullentities_trace_samples.integer; + float enlarge = sv_cullentities_trace_enlarge.value; + + if(samples > 0) + { + int eyeindex; + for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++) + if(SV_CanSeeBox(samples, sv_cullentities_trace_eyejitter.value, enlarge, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs)) + break; + if(eyeindex < sv.writeentitiestoclient_numeyes) + svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] = + host.realtime + ( + s->number <= svs.maxclients + ? sv_cullentities_trace_delay_players.value + : sv_cullentities_trace_delay.value + ); + else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number]) + { + sv.writeentitiestoclient_stats_culled_trace++; + return; + } + } + } + } + } + + // this just marks it for sending + // FIXME: it would be more efficient to send here, but the entity + // compressor isn't that flexible + sv.writeentitiestoclient_stats_visibleentities++; + sv.sententities[s->number] = sv.sententitiesmark; +} + +#if MAX_LEVELNETWORKEYES > 0 +#define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals +void SV_AddCameraEyes(void) +{ + prvm_prog_t *prog = SVVM_prog; + int e, i, j, k; + prvm_edict_t *ed; + static int cameras[MAX_LEVELNETWORKEYES]; + static vec3_t camera_origins[MAX_LEVELNETWORKEYES]; + static int eye_levels[MAX_CLIENTNETWORKEYES]; + int n_cameras = 0; + vec3_t mi, ma; + + for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i) + eye_levels[i] = 0; + + // check line of sight to portal entities and add them to PVS + for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed)) + { + if (!ed->free) + { + if(PRVM_serveredictfunction(ed, camera_transform)) + { + PRVM_serverglobalfloat(time) = sv.time; + PRVM_serverglobaledict(self) = e; + PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber; + VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos)); + VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0)); + VectorClear(PRVM_G_VECTOR(OFS_PARM1)); + prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing"); + if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0])) + { + VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]); + cameras[n_cameras] = e; + ++n_cameras; + if(n_cameras >= MAX_LEVELNETWORKEYES) + break; + } + } + } + } + + if(!n_cameras) + return; + + // i is loop counter, is reset to 0 when an eye got added + // j is camera index to check + for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras) + { + if(!cameras[j]) + continue; + ed = PRVM_EDICT_NUM(cameras[j]); + VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi); + VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma); + for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k) + if(eye_levels[k] <= MAX_EYE_RECURSION) + { + if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_eyejitter.value, sv_cullentities_trace_enlarge.value, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[k], mi, ma)) + { + eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1; + VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]); + // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k); + sv.writeentitiestoclient_numeyes++; + cameras[j] = 0; + i = 0; + break; + } + } + } +} +#else +void SV_AddCameraEyes(void) +{ +} +#endif + +/* +============= +SV_CleanupEnts + +============= +*/ +static void SV_CleanupEnts (void) +{ + prvm_prog_t *prog = SVVM_prog; + int e; + prvm_edict_t *ent; + + ent = PRVM_NEXT_EDICT(prog->edicts); + for (e=1 ; enum_edicts ; e++, ent = PRVM_NEXT_EDICT(ent)) + PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH; +} + +/* +================== +SV_WriteClientdataToMessage + +================== +*/ +void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats) +{ + prvm_prog_t *prog = SVVM_prog; + int bits; + int i; + prvm_edict_t *other; + int items; + vec3_t punchvector; + int viewzoom; + const char *s; + float *statsf = (float *)stats; + float gravity; + +// +// send a damage message +// + if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save)) + { + other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor)); + MSG_WriteByte (msg, svc_damage); + MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save)); + MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take)); + for (i=0 ; i<3 ; i++) + MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol); + + PRVM_serveredictfloat(ent, dmg_take) = 0; + PRVM_serveredictfloat(ent, 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(PRVM_serveredictfloat(ent, fixangle)) + { + // angle fixing was requested by global thinking code... + // so store the current angles for later use + VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles); + host_client->fixangle_angles_set = true; + + // and clear fixangle for the next frame + PRVM_serveredictfloat(ent, fixangle) = 0; + } + + if (host_client->fixangle_angles_set) + { + MSG_WriteByte (msg, svc_setangle); + for (i=0 ; i < 3 ; i++) + MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol); + host_client->fixangle_angles_set = false; + } + + // the runes are in serverflags, pack them into the items value, also pack + // in the items2 value for mission pack huds + // (used only in the mission packs, which do not use serverflags) + items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28); + + VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector); + + // cache weapon model name and index in client struct to save time + // (this search can be almost 1% of cpu time!) + s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel)); + if (strcmp(s, client->weaponmodel)) + { + strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel)); + client->weaponmodelindex = SV_ModelIndex(s, 1); + } + + viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f); + if (viewzoom == 0) + viewzoom = 255; + + bits = 0; + + if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND) + bits |= SU_ONGROUND; + if (PRVM_serveredictfloat(ent, waterlevel) >= 2) + bits |= SU_INWATER; + if (PRVM_serveredictfloat(ent, idealpitch)) + bits |= SU_IDEALPITCH; + + for (i=0 ; i<3 ; i++) + { + if (PRVM_serveredictvector(ent, punchangle)[i]) + bits |= (SU_PUNCH1<weaponmodelindex; + stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health); + stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo); + stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells); + stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails); + stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets); + stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells); + stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon); + stats[STAT_VIEWZOOM] = viewzoom; + stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets); + stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters); + // the QC bumps these itself by sending svc_'s, so we have to keep them + // zero or they'll be corrected by the engine + //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets); + //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters); + + if(!sv_gameplayfix_customstats.integer) + { + statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value; + statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value; + statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value; + statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value; + statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value; + // movement settings for prediction + // note: these are not sent in protocols with lower MAX_CL_STATS limits + stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID + | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0) + | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0) + | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0) + ; + statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value; + statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value; + statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value; + statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value; + statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value; + statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value; + statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value; + statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value; + statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value; + statsf[STAT_FRAGLIMIT] = fraglimit.value; + statsf[STAT_TIMELIMIT] = timelimit.value; + statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value; + statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value; + statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value; + statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value; + statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value; + statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value; + statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value; + statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this + statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value; + statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value; + statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value; + statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity; + statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value; + statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value; + statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value; + statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value; + statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value; + statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value; + } + + 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) + { + if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT; + bits |= SU_ITEMS; + if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME; + if (stats[STAT_ARMOR]) bits |= SU_ARMOR; + bits |= SU_WEAPON; + // FIXME: which protocols support this? does PROTOCOL_DARKPLACES3 support viewzoom? + if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5) + if (viewzoom != 255) + bits |= SU_VIEWZOOM; + } + + 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, stats[STAT_VIEWHEIGHT]); + + if (bits & SU_IDEALPITCH) + MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch)); + + for (i=0 ; i<3 ; i++) + { + if (bits & (SU_PUNCH1<begun || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0]))) + continue; + SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize); + client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize; + } + SZ_Clear(&sv.datagram); +} + +static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2) +{ + // scan the splitpoints to find out how many we can fit in + int numsegments, j, split; + if (!client->unreliablemsg_splitpoints) + return; + // always accept the first one if it's within 1024 bytes, this ensures + // that very big datagrams which are over the rate limit still get + // through, just to keep it working + for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++) + if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize) + break; + // the first segment gets an exemption from the rate limiting, otherwise + // it could get dropped consistently due to a low rate limit + if (numsegments == 1) + maxsize = maxsize2; + // some will fit, so add the ones that will fit + split = client->unreliablemsg_splitpoint[numsegments-1]; + // note this discards ones that were accepted by the segments scan but + // can not fit, such as a really huge first one that will never ever + // fit in a packet... + if (msg->cursize + split <= maxsize) + SZ_Write(msg, client->unreliablemsg.data, split); + // remove the part we sent, keeping any remaining data + client->unreliablemsg.cursize -= split; + if (client->unreliablemsg.cursize > 0) + memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize); + // adjust remaining splitpoints + client->unreliablemsg_splitpoints -= numsegments; + for (j = 0;j < client->unreliablemsg_splitpoints;j++) + client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split; +} + +/* +======================= +SV_SendClientDatagram +======================= +*/ +static void SV_SendClientDatagram (client_t *client) +{ + int clientrate, maxrate, maxsize, maxsize2, downloadsize; + sizebuf_t msg; + int stats[MAX_CL_STATS]; + static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; + double timedelta; + + // obey rate limit by limiting packet frequency if the packet size + // limiting fails + // (usually this is caused by reliable messages) + if (!NetConn_CanSend(client->netconnection)) + return; + + // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates + maxrate = max(NET_MINRATE, sv_maxrate.integer); + if (sv_maxrate.integer != maxrate) + Cvar_SetValueQuick(&sv_maxrate, maxrate); + + // clientrate determines the 'cleartime' of a packet + // (how long to wait before sending another, based on this packet's size) + clientrate = bound(NET_MINRATE, client->rate, maxrate); + + switch (sv.protocol) + { + case PROTOCOL_QUAKE: + case PROTOCOL_QUAKEDP: + case PROTOCOL_NEHAHRAMOVIE: + case PROTOCOL_NEHAHRABJP: + case PROTOCOL_NEHAHRABJP2: + case PROTOCOL_NEHAHRABJP3: + case PROTOCOL_QUAKEWORLD: + // no packet size limit support on Quake protocols because it just + // causes missing entities/effects + // packets are simply sent less often to obey the rate limit + maxsize = 1024; + maxsize2 = 1024; + break; + case PROTOCOL_DARKPLACES1: + case PROTOCOL_DARKPLACES2: + case PROTOCOL_DARKPLACES3: + case PROTOCOL_DARKPLACES4: + // no packet size limit support on DP1-4 protocols because they kick + // the client off if they overflow, and miss effects + // packets are simply sent less often to obey the rate limit + maxsize = sizeof(sv_sendclientdatagram_buf); + maxsize2 = sizeof(sv_sendclientdatagram_buf); + break; + default: + // DP5 and later protocols support packet size limiting which is a + // better method than limiting packet frequency as QW does + // + // at very low rates (or very small sys_ticrate) the packet size is + // not reduced below 128, but packets may be sent less often + + // how long are bursts? + timedelta = host_client->rate_burstsize / (double)client->rate; + + // how much of the burst do we keep reserved? + timedelta *= 1 - net_burstreserve.value; + + // only try to use excess time + timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta); + + // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth + timedelta += sys_ticrate.value; + + // note: packet overhead (not counted in maxsize) is 28 bytes + maxsize = (int)(clientrate * timedelta) - 28; + + // put it in sound bounds + maxsize = bound(128, maxsize, 1400); + maxsize2 = 1400; + + // csqc entities can easily exceed 128 bytes, so disable throttling in + // mods that use csqc (they are likely to use less bandwidth anyway) + if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1)) + maxsize = maxsize2; + + break; + } + + if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !host_limitlocal.integer) + { + // for good singleplayer, send huge packets + maxsize = sizeof(sv_sendclientdatagram_buf); + maxsize2 = sizeof(sv_sendclientdatagram_buf); + // never limit frequency in singleplayer + clientrate = 1000000000; + } + + // while downloading, limit entity updates to half the packet + // (any leftover space will be used for downloading) + if (host_client->download_file) + maxsize /= 2; + + msg.data = sv_sendclientdatagram_buf; + msg.maxsize = sizeof(sv_sendclientdatagram_buf); + msg.cursize = 0; + msg.allowoverflow = false; + + if (host_client->begun) + { + // the player is in the game + MSG_WriteByte (&msg, svc_time); + MSG_WriteFloat (&msg, sv.time); + + // add the client specific data to the datagram + SV_WriteClientdataToMessage (client, client->edict, &msg, stats); + // now update the stats[] array using any registered custom fields + VM_SV_UpdateCustomStats(client, client->edict, &msg, stats); + // set host_client->statsdeltabits + Protocol_UpdateClientStats (stats); + + // add as many queued unreliable messages (effects) as we can fit + // limit effects to half of the remaining space + if (client->unreliablemsg.cursize) + SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2); + + // now write as many entities as we can fit, and also sends stats + SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize); + } + else if (host.realtime > client->keepalivetime) + { + // the player isn't totally in the game yet + // send small keepalive messages if too much time has passed + // (may also be sending downloads) + client->keepalivetime = host.realtime + 5; + MSG_WriteChar (&msg, svc_nop); + } + + // if a download is active, see if there is room to fit some download data + // in this packet + downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7; + if (host_client->download_file && host_client->download_started && downloadsize > 0) + { + fs_offset_t downloadstart; + unsigned char data[1400]; + downloadstart = FS_Tell(host_client->download_file); + downloadsize = min(downloadsize, (int)sizeof(data)); + downloadsize = FS_Read(host_client->download_file, data, downloadsize); + // note this sends empty messages if at the end of the file, which is + // necessary to keep the packet loss logic working + // (the last blocks may be lost and need to be re-sent, and that will + // only occur if the client acks the empty end messages, revealing + // a gap in the download progress, causing the last blocks to be + // sent again) + MSG_WriteChar (&msg, svc_downloaddata); + MSG_WriteLong (&msg, downloadstart); + MSG_WriteShort (&msg, downloadsize); + if (downloadsize > 0) + SZ_Write (&msg, data, downloadsize); + } + + // reliable only if none is in progress + if(client->sendsignon != 2 && !client->netconnection->sendMessageLength) + SV_WriteDemoMessage(client, &(client->netconnection->message), false); + // unreliable + SV_WriteDemoMessage(client, &msg, false); + +// send the datagram + NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2); + if (client->sendsignon == 1 && !client->netconnection->message.cursize) + client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase) +} + +/* +======================= +SV_UpdateToReliableMessages +======================= +*/ +static void SV_UpdateToReliableMessages (void) +{ + prvm_prog_t *prog = SVVM_prog; + int i, j; + client_t *client; + const char *name; + const char *model; + const char *skin; + int clientcamera; + +// check for changes to be sent over the reliable streams + for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++) + { + // update the host_client fields we care about according to the entity fields + host_client->edict = PRVM_EDICT_NUM(i+1); + + // DP_SV_CLIENTNAME + name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname)); + if (name == NULL) + name = ""; + // always point the string back at host_client->name to keep it safe + //strlcpy (host_client->name, name, sizeof (host_client->name)); + if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX + strlcpy (host_client->name, name, sizeof (host_client->name)); + SV_Name(i); + + // DP_SV_CLIENTCOLORS + host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors); + if (host_client->old_colors != host_client->colors) + { + host_client->old_colors = host_client->colors; + // send notification to all clients + MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors); + MSG_WriteByte (&sv.reliable_datagram, i); + MSG_WriteByte (&sv.reliable_datagram, host_client->colors); + } + + // NEXUIZ_PLAYERMODEL + model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel)); + if (model == NULL) + model = ""; + // always point the string back at host_client->name to keep it safe + //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel)); + if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX + strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel)); + PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel); + + // NEXUIZ_PLAYERSKIN + skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin)); + if (skin == NULL) + skin = ""; + // always point the string back at host_client->name to keep it safe + //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin)); + if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX + strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin)); + PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin); + + // TODO: add an extension name for this [1/17/2008 Black] + clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera); + if (clientcamera > 0) + { + int oldclientcamera = host_client->clientcamera; + if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->free) + clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict); + host_client->clientcamera = clientcamera; + + if (oldclientcamera != host_client->clientcamera && host_client->netconnection) + { + MSG_WriteByte(&host_client->netconnection->message, svc_setview); + MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera); + } + } + + // frags + host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags); + if(IS_OLDNEXUIZ_DERIVED(gamemode)) + if(!host_client->begun && host_client->netconnection) + host_client->frags = -666; + if (host_client->old_frags != host_client->frags) + { + host_client->old_frags = host_client->frags; + // send notification to all clients + MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags); + MSG_WriteByte (&sv.reliable_datagram, i); + MSG_WriteShort (&sv.reliable_datagram, host_client->frags); + } + } + + for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++) + if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet + SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize); + + SZ_Clear (&sv.reliable_datagram); +} + + +/* +======================= +SV_SendClientMessages +======================= +*/ +void SV_SendClientMessages(void) +{ + int i, prepared = false; + + if (sv.protocol == PROTOCOL_QUAKEWORLD) + Sys_Error("SV_SendClientMessages: no quakeworld support\n"); + + SV_FlushBroadcastMessages(); + +// update frags, names, etc + SV_UpdateToReliableMessages(); + +// build individual updates + for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++) + { + if (!host_client->active) + continue; + if (!host_client->netconnection) + continue; + + if (host_client->netconnection->message.overflowed) + { + SV_DropClient (true, "Buffer overflow in net message"); // if the message couldn't send, kick off + continue; + } + + if (!prepared) + { + prepared = true; + // only prepare entities once per frame + SV_PrepareEntitiesForSending(); + } + SV_SendClientDatagram(host_client); + } + +// clear muzzle flashes + SV_CleanupEnts(); +}