X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=protocol.c;h=5685675562e0e51096425f306fcbf741129f09f2;hp=970a4ef6c585fa32d2151701723e17d835d43ccc;hb=4048c5cdec22f262fb5925aea3eb0d6941c4d0c5;hpb=b756c8bdbfc98ccc575329b39f1934555beca802 diff --git a/protocol.c b/protocol.c index 970a4ef6..56856755 100644 --- a/protocol.c +++ b/protocol.c @@ -1,4 +1,3 @@ - #include "quakedef.h" // this is 88 bytes (must match entity_state_t in protocol.h) @@ -6,11 +5,12 @@ entity_state_t defaultstate = { // ! means this is not sent to client 0,//double time; // ! time this state was built (used on client for interpolation) + {0,0,0},//float netcenter[3]; // ! for network prioritization, this is the center of the bounding box (which may differ from the origin) {0,0,0},//float origin[3]; {0,0,0},//float angles[3]; - 0,//int number; // entity number this state is for 0,//int effects; 0,//unsigned int customizeentityforclient; // ! + 0,//unsigned short number; // entity number this state is for 0,//unsigned short modelindex; 0,//unsigned short frame; 0,//unsigned short tagentity; @@ -19,8 +19,9 @@ entity_state_t defaultstate = 0,//unsigned short exteriormodelforclient; // ! not shown if first person viewing from this entity, shown in all other cases 0,//unsigned short nodrawtoclient; // ! 0,//unsigned short drawonlytoclient; // ! + 0,//unsigned short traileffectnum; {0,0,0,0},//unsigned short light[4]; // color*256 (0.00 to 255.996), and radius*1 - 0,//unsigned char active; // true if a valid state + ACTIVE_NOT,//unsigned char active; // true if a valid state 0,//unsigned char lightstyle; 0,//unsigned char lightpflags; 0,//unsigned char colormap; @@ -30,61 +31,74 @@ entity_state_t defaultstate = 0,//unsigned char glowsize; 254,//unsigned char glowcolor; 0,//unsigned char flags; + 0,//unsigned char internaleffects; // INTEF_FLAG1QW and so on 0,//unsigned char tagindex; {32, 32, 32},//unsigned char colormod[3]; - // padding to a multiple of 8 bytes (to align the double time) - {0,0,0,0,0,0}//unsigned char unused[6]; // ! + {32, 32, 32},//unsigned char glowmod[3]; }; -// LordHavoc: I own protocol ranges 96, 97, 3500-3599 +// LadyHavoc: I own protocol ranges 96, 97, 3500-3599 struct protocolversioninfo_s { int number; + protocolversion_t version; const char *name; } protocolversioninfo[] = { - {0, "UNKNOWN"}, - {3504, "DP7"}, - {3503, "DP6"}, - {3502, "DP5"}, - {3501, "DP4"}, - {3500, "DP3"}, - {97, "DP2"}, - {96, "DP1"}, - {15, "QUAKEDP"}, - {250, "NEHAHRAMOVIE"}, - {15, "QUAKE"}, - {0, NULL} + { 3505, PROTOCOL_DARKPLACES8 , "DP8"}, + { 3504, PROTOCOL_DARKPLACES7 , "DP7"}, + { 3503, PROTOCOL_DARKPLACES6 , "DP6"}, + { 3502, PROTOCOL_DARKPLACES5 , "DP5"}, + { 3501, PROTOCOL_DARKPLACES4 , "DP4"}, + { 3500, PROTOCOL_DARKPLACES3 , "DP3"}, + { 97, PROTOCOL_DARKPLACES2 , "DP2"}, + { 96, PROTOCOL_DARKPLACES1 , "DP1"}, + { 15, PROTOCOL_QUAKEDP , "QUAKEDP"}, + { 15, PROTOCOL_QUAKE , "QUAKE"}, + { 28, PROTOCOL_QUAKEWORLD , "QW"}, + { 250, PROTOCOL_NEHAHRAMOVIE, "NEHAHRAMOVIE"}, + {10000, PROTOCOL_NEHAHRABJP , "NEHAHRABJP"}, + {10001, PROTOCOL_NEHAHRABJP2 , "NEHAHRABJP2"}, + {10002, PROTOCOL_NEHAHRABJP3 , "NEHAHRABJP3"}, + { 0, PROTOCOL_UNKNOWN , NULL} }; protocolversion_t Protocol_EnumForName(const char *s) { int i; - for (i = 1;protocolversioninfo[i].name;i++) + for (i = 0;protocolversioninfo[i].name;i++) if (!strcasecmp(s, protocolversioninfo[i].name)) - return (protocolversion_t)i; + return protocolversioninfo[i].version; return PROTOCOL_UNKNOWN; } const char *Protocol_NameForEnum(protocolversion_t p) { - return protocolversioninfo[p].name; + int i; + for (i = 0;protocolversioninfo[i].name;i++) + if (protocolversioninfo[i].version == p) + return protocolversioninfo[i].name; + return "UNKNOWN"; } protocolversion_t Protocol_EnumForNumber(int n) { int i; - for (i = 1;protocolversioninfo[i].name;i++) + for (i = 0;protocolversioninfo[i].name;i++) if (protocolversioninfo[i].number == n) - return (protocolversion_t)i; + return protocolversioninfo[i].version; return PROTOCOL_UNKNOWN; } int Protocol_NumberForEnum(protocolversion_t p) { - return protocolversioninfo[p].number; + int i; + for (i = 0;protocolversioninfo[i].name;i++) + if (protocolversioninfo[i].version == p) + return protocolversioninfo[i].number; + return 0; } void Protocol_Names(char *buffer, size_t buffersize) @@ -93,2248 +107,88 @@ void Protocol_Names(char *buffer, size_t buffersize) if (buffersize < 1) return; buffer[0] = 0; - for (i = 1;protocolversioninfo[i].name;i++) + for (i = 0;protocolversioninfo[i].name;i++) { if (i > 1) - strlcat(buffer, " ", sizeof(buffer)); - strlcat(buffer, protocolversioninfo[i].name, sizeof(buffer)); - } -} - -// keep track of quake entities because they need to be killed if they get stale -int cl_lastquakeentity = 0; -unsigned char cl_isquakeentity[MAX_EDICTS]; - -void EntityFrameQuake_ReadEntity(int bits) -{ - int num; - entity_t *ent; - entity_state_t s; - - if (bits & U_MOREBITS) - bits |= (MSG_ReadByte()<<8); - if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE) - { - bits |= MSG_ReadByte() << 16; - if (bits & U_EXTEND2) - bits |= MSG_ReadByte() << 24; - } - - if (bits & U_LONGENTITY) - num = (unsigned short) MSG_ReadShort (); - else - num = MSG_ReadByte (); - - if (num >= MAX_EDICTS) - Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS); - if (num < 1) - Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num); - - if (cl_num_entities <= num) - { - cl_num_entities = num + 1; - if (num >= cl_max_entities) - CL_ExpandEntities(num); - } - - ent = cl_entities + num; - - // note: this inherits the 'active' state of the baseline chosen - // (state_baseline is always active, state_current may not be active if - // the entity was missing in the last frame) - if (bits & U_DELTA) - s = ent->state_current; - else - { - s = ent->state_baseline; - s.active = true; - } - - cl_isquakeentity[num] = true; - if (cl_lastquakeentity < num) - cl_lastquakeentity = num; - s.number = num; - s.time = cl.mtime[0]; - s.flags = 0; - if (bits & U_MODEL) s.modelindex = (s.modelindex & 0xFF00) | MSG_ReadByte(); - if (bits & U_FRAME) s.frame = (s.frame & 0xFF00) | MSG_ReadByte(); - if (bits & U_COLORMAP) s.colormap = MSG_ReadByte(); - if (bits & U_SKIN) s.skin = MSG_ReadByte(); - if (bits & U_EFFECTS) s.effects = (s.effects & 0xFF00) | MSG_ReadByte(); - if (bits & U_ORIGIN1) s.origin[0] = MSG_ReadCoord(cls.protocol); - if (bits & U_ANGLE1) s.angles[0] = MSG_ReadAngle(cls.protocol); - if (bits & U_ORIGIN2) s.origin[1] = MSG_ReadCoord(cls.protocol); - if (bits & U_ANGLE2) s.angles[1] = MSG_ReadAngle(cls.protocol); - if (bits & U_ORIGIN3) s.origin[2] = MSG_ReadCoord(cls.protocol); - if (bits & U_ANGLE3) s.angles[2] = MSG_ReadAngle(cls.protocol); - if (bits & U_STEP) s.flags |= RENDER_STEP; - if (bits & U_ALPHA) s.alpha = MSG_ReadByte(); - if (bits & U_SCALE) s.scale = MSG_ReadByte(); - if (bits & U_EFFECTS2) s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8); - if (bits & U_GLOWSIZE) s.glowsize = MSG_ReadByte(); - if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte(); - if (bits & U_COLORMOD) {int c = MSG_ReadByte();s.colormod[0] = (unsigned char)(((c >> 5) & 7) * (32.0f / 7.0f));s.colormod[1] = (unsigned char)(((c >> 2) & 7) * (32.0f / 7.0f));s.colormod[2] = (unsigned char)((c & 3) * (32.0f / 3.0f));} - if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL; - if (bits & U_FRAME2) s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8); - if (bits & U_MODEL2) s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8); - if (bits & U_VIEWMODEL) s.flags |= RENDER_VIEWMODEL; - if (bits & U_EXTERIORMODEL) s.flags |= RENDER_EXTERIORMODEL; - - // LordHavoc: to allow playback of the Nehahra movie - if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1)) - { - // LordHavoc: evil format - int i = MSG_ReadFloat(); - int j = MSG_ReadFloat() * 255.0f; - if (i == 2) - { - i = MSG_ReadFloat(); - if (i) - s.effects |= EF_FULLBRIGHT; - } - if (j < 0) - s.alpha = 0; - else if (j == 0 || j >= 255) - s.alpha = 255; - else - s.alpha = j; - } - - ent->state_previous = ent->state_current; - ent->state_current = s; - if (ent->state_current.active) - { - CL_MoveLerpEntityStates(ent); - cl_entities_active[ent->state_current.number] = true; + strlcat(buffer, " ", buffersize); + strlcat(buffer, protocolversioninfo[i].name, buffersize); } - - if (msg_badread) - Host_Error("EntityFrameQuake_ReadEntity: read error"); } -void EntityFrameQuake_ISeeDeadEntities(void) +void Protocol_UpdateClientStats(const int *stats) { - int num, lastentity; - if (cl_lastquakeentity == 0) - return; - lastentity = cl_lastquakeentity; - cl_lastquakeentity = 0; - for (num = 0;num <= lastentity;num++) + int i; + // update the stats array and set deltabits for any changed stats + for (i = 0;i < MAX_CL_STATS;i++) { - if (cl_isquakeentity[num]) + if (host_client->stats[i] != stats[i]) { - if (cl_entities_active[num] && cl_entities[num].state_current.time == cl.mtime[0]) - { - cl_isquakeentity[num] = true; - cl_lastquakeentity = num; - } - else - { - cl_isquakeentity[num] = false; - cl_entities_active[num] = false; - cl_entities[num].state_current = defaultstate; - cl_entities[num].state_current.number = num; - } + host_client->statsdeltabits[i >> 3] |= 1 << (i & 7); + host_client->stats[i] = stats[i]; } } } -static mempool_t *sv2csqc = NULL; -int csqc_clent = 0; -sizebuf_t *sv2csqcbuf = NULL; -static unsigned char *sv2csqcents_version[64]; - -void EntityFrameCSQC_ClearVersions (void) -{ - if(sv2csqc) - { - Mem_FreePool(&sv2csqc); - sv2csqc = NULL; - } - memset(sv2csqcents_version, 0, 64*sizeof(unsigned char *)); -} - -void EntityFrameCSQC_InitClientVersions (int client, qboolean clear) +// only a few stats are within the 32 stat limit of Quake, and most of them +// are sent every frame in svc_clientdata messages, so we only send the +// remaining ones here +static const int sendquakestats[] = { - if(!sv2csqc) - sv2csqc = Mem_AllocPool("SV2CSQC", 0, NULL); - if(sv2csqcents_version[client]) - { - Mem_Free(sv2csqcents_version[client]); - sv2csqcents_version[client] = NULL; - } - sv2csqcents_version[client] = Mem_Alloc(sv2csqc, MAX_EDICTS); - memset(sv2csqcents_version[client], 0, MAX_EDICTS); -} +// quake did not send these secrets/monsters stats in this way, but doing so +// allows a mod to increase STAT_TOTALMONSTERS during the game, and ensures +// that STAT_SECRETS and STAT_MONSTERS are always correct (even if a client +// didn't receive an svc_foundsecret or svc_killedmonster), which may be most +// valuable if randomly seeking around in a demo +STAT_TOTALSECRETS, // never changes during game +STAT_TOTALMONSTERS, // changes in some mods +STAT_SECRETS, // this makes svc_foundsecret unnecessary +STAT_MONSTERS, // this makes svc_killedmonster unnecessary +STAT_VIEWHEIGHT, // sent just for FTEQW clients +STAT_VIEWZOOM, // this rarely changes +-1, +}; -//[515]: we use only one array per-client for SendEntity feature -void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states) +void Protocol_WriteStatsReliable(void) { - sizebuf_t buf; - unsigned char data[2048]; - const entity_state_t *s; - unsigned short i, t, t2, t0; - prvm_eval_t *val, *val2; - int csqcents = 0; - - if(!eval_SendEntity || !eval_Version) + int i, j; + if (!host_client->netconnection) return; - --csqc_clent; - if(!sv2csqcents_version[csqc_clent]) - EntityFrameCSQC_InitClientVersions(csqc_clent, false); - - for (csqcents = i = 0, s = states;i < numstates;i++, s++) - { - //[515]: entities remove - if(i+1 >= numstates) - t2 = prog->num_edicts; - else - t2 = states[i+1].number; - if(!i) - { - t0 = 1; - t2 = s->number; - } - else - t0 = s->number+1; - for(t=t0; t= 0;j++) + { + i = sendquakestats[j]; + // check if this bit is set + if (host_client->statsdeltabits[i >> 3] & (1 << (i & 7))) + { + host_client->statsdeltabits[i >> 3] -= (1 << (i & 7)); + // send the stat as a byte if possible + if (sv.protocol == PROTOCOL_QUAKEWORLD) + { + if (host_client->stats[i] >= 0 && host_client->stats[i] < 256) { - csqcents = 1; - memset(&buf, 0, sizeof(buf)); - buf.data = data; - buf.maxsize = sizeof(data); - sv2csqcbuf = &buf; - SZ_Clear(&buf); - MSG_WriteByte(&buf, svc_csqcentities); + MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestat); + MSG_WriteByte(&host_client->netconnection->message, i); + MSG_WriteByte(&host_client->netconnection->message, host_client->stats[i]); } - sv2csqcents_version[csqc_clent][t] = 0; - MSG_WriteShort(&buf, (unsigned short)t | 0x8000); - csqcents++; - } - //[515]: entities remove - -// if(!s->active) -// continue; - val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity); - if(val->function) - { - val2 = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_Version); - if(sv2csqcents_version[csqc_clent][s->number] == (unsigned char)val2->_float) - continue; - if(!csqcents) - { - csqcents = 1; - memset(&buf, 0, sizeof(buf)); - buf.data = data; - buf.maxsize = sizeof(data); - sv2csqcbuf = &buf; - SZ_Clear(&buf); - MSG_WriteByte(&buf, svc_csqcentities); - } - if((unsigned char)val2->_float == 0) - val2->_float = 1; - MSG_WriteShort(&buf, s->number); - ((int *)prog->globals.generic)[OFS_PARM0] = csqc_clent+1; - prog->globals.server->self = s->number; - PRVM_ExecuteProgram(val->function, "Null SendEntity\n"); - if(!prog->globals.generic[OFS_RETURN]) - { - buf.cursize -= 2; - if(sv2csqcents_version[csqc_clent][s->number]) + else { - sv2csqcents_version[csqc_clent][s->number] = 0; - MSG_WriteShort(&buf, (unsigned short)s->number | 0x8000); - csqcents++; + MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestatlong); + MSG_WriteByte(&host_client->netconnection->message, i); + MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]); } } else { - sv2csqcents_version[csqc_clent][s->number] = (unsigned char)val2->_float; - csqcents++; - } - if (msg->cursize + buf.cursize > msg->maxsize) - break; - } - } - if(csqcents) - { - if(csqcents > 1) - { - MSG_WriteShort(&buf, 0); - SZ_Write(msg, buf.data, buf.cursize); - } - sv2csqcbuf = NULL; - } -} - -void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_state_t *states) -{ - const entity_state_t *s; - entity_state_t baseline; - int i, bits; - sizebuf_t buf; - unsigned char data[128]; - prvm_eval_t *val; - - // prepare the buffer - memset(&buf, 0, sizeof(buf)); - buf.data = data; - buf.maxsize = sizeof(data); - - for (i = 0, s = states;i < numstates;i++, s++) - { - val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity); - if(val && val->function) - continue; - - // prepare the buffer - SZ_Clear(&buf); - -// send an update - bits = 0; - if (s->number >= 256) - bits |= U_LONGENTITY; - if (s->flags & RENDER_STEP) - bits |= U_STEP; - if (s->flags & RENDER_VIEWMODEL) - bits |= U_VIEWMODEL; - if (s->flags & RENDER_GLOWTRAIL) - bits |= U_GLOWTRAIL; - if (s->flags & RENDER_EXTERIORMODEL) - bits |= U_EXTERIORMODEL; - - // LordHavoc: old stuff, but rewritten to have more exact tolerances - baseline = prog->edicts[s->number].priv.server->baseline; - if (baseline.origin[0] != s->origin[0]) - bits |= U_ORIGIN1; - if (baseline.origin[1] != s->origin[1]) - bits |= U_ORIGIN2; - if (baseline.origin[2] != s->origin[2]) - bits |= U_ORIGIN3; - if (baseline.angles[0] != s->angles[0]) - bits |= U_ANGLE1; - if (baseline.angles[1] != s->angles[1]) - bits |= U_ANGLE2; - if (baseline.angles[2] != s->angles[2]) - bits |= U_ANGLE3; - if (baseline.colormap != s->colormap) - bits |= U_COLORMAP; - if (baseline.skin != s->skin) - bits |= U_SKIN; - if (baseline.frame != s->frame) - { - bits |= U_FRAME; - if (s->frame & 0xFF00) - bits |= U_FRAME2; - } - if (baseline.effects != s->effects) - { - bits |= U_EFFECTS; - if (s->effects & 0xFF00) - bits |= U_EFFECTS2; - } - if (baseline.modelindex != s->modelindex) - { - bits |= U_MODEL; - if (s->modelindex & 0xFF00) - bits |= U_MODEL2; - } - if (baseline.alpha != s->alpha) - bits |= U_ALPHA; - if (baseline.scale != s->scale) - bits |= U_SCALE; - if (baseline.glowsize != s->glowsize) - bits |= U_GLOWSIZE; - if (baseline.glowcolor != s->glowcolor) - bits |= U_GLOWCOLOR; - - // if extensions are disabled, clear the relevant update flags - if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_NEHAHRAMOVIE) - bits &= 0x7FFF; - if (sv.protocol == PROTOCOL_NEHAHRAMOVIE) - if (s->alpha != 255 || s->effects & EF_FULLBRIGHT) - bits |= U_EXTEND1; - - // 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 (&buf, bits); - if (bits & U_MOREBITS) MSG_WriteByte(&buf, bits>>8); - if (bits & U_EXTEND1) MSG_WriteByte(&buf, bits>>16); - if (bits & U_EXTEND2) MSG_WriteByte(&buf, bits>>24); - if (bits & U_LONGENTITY) MSG_WriteShort(&buf, s->number); - else MSG_WriteByte(&buf, s->number); - - if (bits & U_MODEL) MSG_WriteByte(&buf, s->modelindex); - if (bits & U_FRAME) MSG_WriteByte(&buf, s->frame); - if (bits & U_COLORMAP) MSG_WriteByte(&buf, s->colormap); - if (bits & U_SKIN) MSG_WriteByte(&buf, s->skin); - if (bits & U_EFFECTS) MSG_WriteByte(&buf, s->effects); - if (bits & U_ORIGIN1) MSG_WriteCoord(&buf, s->origin[0], sv.protocol); - if (bits & U_ANGLE1) MSG_WriteAngle(&buf, s->angles[0], sv.protocol); - if (bits & U_ORIGIN2) MSG_WriteCoord(&buf, s->origin[1], sv.protocol); - if (bits & U_ANGLE2) MSG_WriteAngle(&buf, s->angles[1], sv.protocol); - if (bits & U_ORIGIN3) MSG_WriteCoord(&buf, s->origin[2], sv.protocol); - if (bits & U_ANGLE3) MSG_WriteAngle(&buf, s->angles[2], sv.protocol); - if (bits & U_ALPHA) MSG_WriteByte(&buf, s->alpha); - if (bits & U_SCALE) MSG_WriteByte(&buf, s->scale); - if (bits & U_EFFECTS2) MSG_WriteByte(&buf, s->effects >> 8); - if (bits & U_GLOWSIZE) MSG_WriteByte(&buf, s->glowsize); - if (bits & U_GLOWCOLOR) MSG_WriteByte(&buf, s->glowcolor); - if (bits & U_COLORMOD) {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[0] * (3.0f / 32.0f), 3) << 0);MSG_WriteByte(&buf, c);} - if (bits & U_FRAME2) MSG_WriteByte(&buf, s->frame >> 8); - if (bits & U_MODEL2) MSG_WriteByte(&buf, s->modelindex >> 8); - - // the nasty protocol - if ((bits & U_EXTEND1) && sv.protocol == PROTOCOL_NEHAHRAMOVIE) - { - if (s->effects & EF_FULLBRIGHT) - { - MSG_WriteFloat(&buf, 2); // QSG protocol version - MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha - MSG_WriteFloat(&buf, 1); // fullbright - } - else - { - MSG_WriteFloat(&buf, 1); // QSG protocol version - MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha + // this could make use of svc_updatestatubyte in DP6 and later + // protocols but those protocols do not use this function + MSG_WriteByte(&host_client->netconnection->message, svc_updatestat); + MSG_WriteByte(&host_client->netconnection->message, i); + MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]); } } - - // if the commit is full, we're done this frame - if (msg->cursize + buf.cursize > msg->maxsize) - { - // next frame we will continue where we left off - break; - } - // write the message to the packet - SZ_Write(msg, buf.data, buf.cursize); - } -} - -int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n) -{ - unsigned int bits; - // if o is not active, delta from default - if (!o->active) - o = &defaultstate; - bits = 0; - if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f)) - bits |= E_ORIGIN1; - if (fabs(n->origin[1] - o->origin[1]) > (1.0f / 256.0f)) - bits |= E_ORIGIN2; - if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f)) - bits |= E_ORIGIN3; - if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f))) - bits |= E_ANGLE1; - if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f))) - bits |= E_ANGLE2; - if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f))) - bits |= E_ANGLE3; - if ((n->modelindex ^ o->modelindex) & 0x00FF) - bits |= E_MODEL1; - if ((n->modelindex ^ o->modelindex) & 0xFF00) - bits |= E_MODEL2; - if ((n->frame ^ o->frame) & 0x00FF) - bits |= E_FRAME1; - if ((n->frame ^ o->frame) & 0xFF00) - bits |= E_FRAME2; - if ((n->effects ^ o->effects) & 0x00FF) - bits |= E_EFFECTS1; - if ((n->effects ^ o->effects) & 0xFF00) - bits |= E_EFFECTS2; - if (n->colormap != o->colormap) - bits |= E_COLORMAP; - if (n->skin != o->skin) - bits |= E_SKIN; - if (n->alpha != o->alpha) - bits |= E_ALPHA; - if (n->scale != o->scale) - bits |= E_SCALE; - if (n->glowsize != o->glowsize) - bits |= E_GLOWSIZE; - if (n->glowcolor != o->glowcolor) - bits |= E_GLOWCOLOR; - if (n->flags != o->flags) - bits |= E_FLAGS; - if (n->tagindex != o->tagindex || n->tagentity != o->tagentity) - bits |= E_TAGATTACHMENT; - if (n->light[0] != o->light[0] || n->light[1] != o->light[1] || n->light[2] != o->light[2] || n->light[3] != o->light[3]) - bits |= E_LIGHT; - if (n->lightstyle != o->lightstyle) - bits |= E_LIGHTSTYLE; - if (n->lightpflags != o->lightpflags) - bits |= E_LIGHTPFLAGS; - - if (bits) - { - if (bits & 0xFF000000) - bits |= 0x00800000; - if (bits & 0x00FF0000) - bits |= 0x00008000; - if (bits & 0x0000FF00) - bits |= 0x00000080; - } - return bits; -} - -void EntityState_WriteExtendBits(sizebuf_t *msg, unsigned int bits) -{ - MSG_WriteByte(msg, bits & 0xFF); - if (bits & 0x00000080) - { - MSG_WriteByte(msg, (bits >> 8) & 0xFF); - if (bits & 0x00008000) - { - MSG_WriteByte(msg, (bits >> 16) & 0xFF); - if (bits & 0x00800000) - MSG_WriteByte(msg, (bits >> 24) & 0xFF); - } - } -} - -void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned int bits) -{ - if (sv.protocol == PROTOCOL_DARKPLACES2) - { - if (bits & E_ORIGIN1) - MSG_WriteCoord16i(msg, ent->origin[0]); - if (bits & E_ORIGIN2) - MSG_WriteCoord16i(msg, ent->origin[1]); - if (bits & E_ORIGIN3) - MSG_WriteCoord16i(msg, ent->origin[2]); - } - else - { - // LordHavoc: have to write flags first, as they can modify protocol - if (bits & E_FLAGS) - MSG_WriteByte(msg, ent->flags); - if (ent->flags & RENDER_LOWPRECISION) - { - if (bits & E_ORIGIN1) - MSG_WriteCoord16i(msg, ent->origin[0]); - if (bits & E_ORIGIN2) - MSG_WriteCoord16i(msg, ent->origin[1]); - if (bits & E_ORIGIN3) - MSG_WriteCoord16i(msg, ent->origin[2]); - } - else - { - if (bits & E_ORIGIN1) - MSG_WriteCoord32f(msg, ent->origin[0]); - if (bits & E_ORIGIN2) - MSG_WriteCoord32f(msg, ent->origin[1]); - if (bits & E_ORIGIN3) - MSG_WriteCoord32f(msg, ent->origin[2]); - } - } - if ((sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4) && (ent->flags & RENDER_LOWPRECISION)) - { - if (bits & E_ANGLE1) - MSG_WriteAngle8i(msg, ent->angles[0]); - if (bits & E_ANGLE2) - MSG_WriteAngle8i(msg, ent->angles[1]); - if (bits & E_ANGLE3) - MSG_WriteAngle8i(msg, ent->angles[2]); - } - else - { - if (bits & E_ANGLE1) - MSG_WriteAngle16i(msg, ent->angles[0]); - if (bits & E_ANGLE2) - MSG_WriteAngle16i(msg, ent->angles[1]); - if (bits & E_ANGLE3) - MSG_WriteAngle16i(msg, ent->angles[2]); - } - if (bits & E_MODEL1) - MSG_WriteByte(msg, ent->modelindex & 0xFF); - if (bits & E_MODEL2) - MSG_WriteByte(msg, (ent->modelindex >> 8) & 0xFF); - if (bits & E_FRAME1) - MSG_WriteByte(msg, ent->frame & 0xFF); - if (bits & E_FRAME2) - MSG_WriteByte(msg, (ent->frame >> 8) & 0xFF); - if (bits & E_EFFECTS1) - MSG_WriteByte(msg, ent->effects & 0xFF); - if (bits & E_EFFECTS2) - MSG_WriteByte(msg, (ent->effects >> 8) & 0xFF); - if (bits & E_COLORMAP) - MSG_WriteByte(msg, ent->colormap); - if (bits & E_SKIN) - MSG_WriteByte(msg, ent->skin); - if (bits & E_ALPHA) - MSG_WriteByte(msg, ent->alpha); - if (bits & E_SCALE) - MSG_WriteByte(msg, ent->scale); - if (bits & E_GLOWSIZE) - MSG_WriteByte(msg, ent->glowsize); - if (bits & E_GLOWCOLOR) - MSG_WriteByte(msg, ent->glowcolor); - if (sv.protocol == PROTOCOL_DARKPLACES2) - if (bits & E_FLAGS) - MSG_WriteByte(msg, ent->flags); - if (bits & E_TAGATTACHMENT) - { - MSG_WriteShort(msg, ent->tagentity); - MSG_WriteByte(msg, ent->tagindex); - } - if (bits & E_LIGHT) - { - MSG_WriteShort(msg, ent->light[0]); - MSG_WriteShort(msg, ent->light[1]); - MSG_WriteShort(msg, ent->light[2]); - MSG_WriteShort(msg, ent->light[3]); - } - if (bits & E_LIGHTSTYLE) - MSG_WriteByte(msg, ent->lightstyle); - if (bits & E_LIGHTPFLAGS) - MSG_WriteByte(msg, ent->lightpflags); -} - -void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const entity_state_t *delta) -{ - unsigned int bits; - if (ent->active) - { - // entity is active, check for changes from the delta - if ((bits = EntityState_DeltaBits(delta, ent))) - { - // write the update number, bits, and fields - MSG_WriteShort(msg, ent->number); - EntityState_WriteExtendBits(msg, bits); - EntityState_WriteFields(ent, msg, bits); - } - } - else - { - // entity is inactive, check if the delta was active - if (delta->active) - { - // write the remove number - MSG_WriteShort(msg, ent->number | 0x8000); - } - } -} - -int EntityState_ReadExtendBits(void) -{ - unsigned int bits; - bits = MSG_ReadByte(); - if (bits & 0x00000080) - { - bits |= MSG_ReadByte() << 8; - if (bits & 0x00008000) - { - bits |= MSG_ReadByte() << 16; - if (bits & 0x00800000) - bits |= MSG_ReadByte() << 24; - } - } - return bits; -} - -void EntityState_ReadFields(entity_state_t *e, unsigned int bits) -{ - if (cls.protocol == PROTOCOL_DARKPLACES2) - { - if (bits & E_ORIGIN1) - e->origin[0] = MSG_ReadCoord16i(); - if (bits & E_ORIGIN2) - e->origin[1] = MSG_ReadCoord16i(); - if (bits & E_ORIGIN3) - e->origin[2] = MSG_ReadCoord16i(); - } - else - { - if (bits & E_FLAGS) - e->flags = MSG_ReadByte(); - if (e->flags & RENDER_LOWPRECISION) - { - if (bits & E_ORIGIN1) - e->origin[0] = MSG_ReadCoord16i(); - if (bits & E_ORIGIN2) - e->origin[1] = MSG_ReadCoord16i(); - if (bits & E_ORIGIN3) - e->origin[2] = MSG_ReadCoord16i(); - } - else - { - if (bits & E_ORIGIN1) - e->origin[0] = MSG_ReadCoord32f(); - if (bits & E_ORIGIN2) - e->origin[1] = MSG_ReadCoord32f(); - if (bits & E_ORIGIN3) - e->origin[2] = MSG_ReadCoord32f(); - } - } - if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION)) - { - if (bits & E_ANGLE1) - e->angles[0] = MSG_ReadAngle16i(); - if (bits & E_ANGLE2) - e->angles[1] = MSG_ReadAngle16i(); - if (bits & E_ANGLE3) - e->angles[2] = MSG_ReadAngle16i(); - } - else - { - if (bits & E_ANGLE1) - e->angles[0] = MSG_ReadAngle8i(); - if (bits & E_ANGLE2) - e->angles[1] = MSG_ReadAngle8i(); - if (bits & E_ANGLE3) - e->angles[2] = MSG_ReadAngle8i(); - } - if (bits & E_MODEL1) - e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte(); - if (bits & E_MODEL2) - e->modelindex = (e->modelindex & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8); - if (bits & E_FRAME1) - e->frame = (e->frame & 0xFF00) | (unsigned int) MSG_ReadByte(); - if (bits & E_FRAME2) - e->frame = (e->frame & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8); - if (bits & E_EFFECTS1) - e->effects = (e->effects & 0xFF00) | (unsigned int) MSG_ReadByte(); - if (bits & E_EFFECTS2) - e->effects = (e->effects & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8); - if (bits & E_COLORMAP) - e->colormap = MSG_ReadByte(); - if (bits & E_SKIN) - e->skin = MSG_ReadByte(); - if (bits & E_ALPHA) - e->alpha = MSG_ReadByte(); - if (bits & E_SCALE) - e->scale = MSG_ReadByte(); - if (bits & E_GLOWSIZE) - e->glowsize = MSG_ReadByte(); - if (bits & E_GLOWCOLOR) - e->glowcolor = MSG_ReadByte(); - if (cls.protocol == PROTOCOL_DARKPLACES2) - if (bits & E_FLAGS) - e->flags = MSG_ReadByte(); - if (bits & E_TAGATTACHMENT) - { - e->tagentity = (unsigned short) MSG_ReadShort(); - e->tagindex = MSG_ReadByte(); - } - if (bits & E_LIGHT) - { - e->light[0] = (unsigned short) MSG_ReadShort(); - e->light[1] = (unsigned short) MSG_ReadShort(); - e->light[2] = (unsigned short) MSG_ReadShort(); - e->light[3] = (unsigned short) MSG_ReadShort(); - } - if (bits & E_LIGHTSTYLE) - e->lightstyle = MSG_ReadByte(); - if (bits & E_LIGHTPFLAGS) - e->lightpflags = MSG_ReadByte(); - - if (developer_networkentities.integer >= 2) - { - Con_Printf("ReadFields e%i", e->number); - - if (bits & E_ORIGIN1) - Con_Printf(" E_ORIGIN1 %f", e->origin[0]); - if (bits & E_ORIGIN2) - Con_Printf(" E_ORIGIN2 %f", e->origin[1]); - if (bits & E_ORIGIN3) - Con_Printf(" E_ORIGIN3 %f", e->origin[2]); - if (bits & E_ANGLE1) - Con_Printf(" E_ANGLE1 %f", e->angles[0]); - if (bits & E_ANGLE2) - Con_Printf(" E_ANGLE2 %f", e->angles[1]); - if (bits & E_ANGLE3) - Con_Printf(" E_ANGLE3 %f", e->angles[2]); - if (bits & (E_MODEL1 | E_MODEL2)) - Con_Printf(" E_MODEL %i", e->modelindex); - - if (bits & (E_FRAME1 | E_FRAME2)) - Con_Printf(" E_FRAME %i", e->frame); - if (bits & (E_EFFECTS1 | E_EFFECTS2)) - Con_Printf(" E_EFFECTS %i", e->effects); - if (bits & E_ALPHA) - Con_Printf(" E_ALPHA %f", e->alpha / 255.0f); - if (bits & E_SCALE) - Con_Printf(" E_SCALE %f", e->scale / 16.0f); - if (bits & E_COLORMAP) - Con_Printf(" E_COLORMAP %i", e->colormap); - if (bits & E_SKIN) - Con_Printf(" E_SKIN %i", e->skin); - - if (bits & E_GLOWSIZE) - Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4); - if (bits & E_GLOWCOLOR) - Con_Printf(" E_GLOWCOLOR %i", e->glowcolor); - - if (bits & E_LIGHT) - Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]); - if (bits & E_LIGHTPFLAGS) - Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags); - - if (bits & E_TAGATTACHMENT) - Con_Printf(" E_TAGATTACHMENT e%i:%i", e->tagentity, e->tagindex); - if (bits & E_LIGHTSTYLE) - Con_Printf(" E_LIGHTSTYLE %i", e->lightstyle); - Con_Print("\n"); - } -} - -// (client and server) allocates a new empty database -entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool) -{ - return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t)); -} - -// (client and server) frees the database -void EntityFrame_FreeDatabase(entityframe_database_t *d) -{ - Mem_Free(d); -} - -// (server) clears the database to contain no frames (thus delta compression compresses against nothing) -void EntityFrame_ClearDatabase(entityframe_database_t *d) -{ - memset(d, 0, sizeof(*d)); -} - -// (server and client) removes frames older than 'frame' from database -void EntityFrame_AckFrame(entityframe_database_t *d, int frame) -{ - int i; - d->ackframenum = frame; - for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++); - // ignore outdated frame acks (out of order packets) - if (i == 0) - return; - d->numframes -= i; - // if some queue is left, slide it down to beginning of array - if (d->numframes) - memmove(&d->frames[0], &d->frames[i], sizeof(d->frames[0]) * d->numframes); -} - -// (server) clears frame, to prepare for adding entities -void EntityFrame_Clear(entity_frame_t *f, vec3_t eye, int framenum) -{ - f->time = 0; - f->framenum = framenum; - f->numentities = 0; - if (eye == NULL) - VectorClear(f->eye); - else - VectorCopy(eye, f->eye); -} - -// (server and client) reads a frame from the database -void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f) -{ - int i, n; - EntityFrame_Clear(f, NULL, -1); - for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++); - if (i < d->numframes && framenum == d->frames[i].framenum) - { - f->framenum = framenum; - f->numentities = d->frames[i].endentity - d->frames[i].firstentity; - n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE); - if (n > f->numentities) - n = f->numentities; - memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n); - if (f->numentities > n) - memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n)); - VectorCopy(d->eye, f->eye); - } -} - -// (server and client) adds a entity_frame to the database, for future reference -void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata) -{ - int n, e; - entity_frameinfo_t *info; - - VectorCopy(eye, d->eye); - - // figure out how many entity slots are used already - if (d->numframes) - { - n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity; - if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY) - { - // ran out of room, dump database - EntityFrame_ClearDatabase(d); - } - } - - info = &d->frames[d->numframes]; - info->framenum = framenum; - e = -1000; - // make sure we check the newly added frame as well, but we haven't incremented numframes yet - for (n = 0;n <= d->numframes;n++) - { - if (e >= d->frames[n].framenum) - { - if (e == framenum) - Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n"); - else - Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n"); - return; - } - e = d->frames[n].framenum; - } - // if database still has frames after that... - if (d->numframes) - info->firstentity = d->frames[d->numframes - 1].endentity; - else - info->firstentity = 0; - info->endentity = info->firstentity + numentities; - d->numframes++; - - n = info->firstentity % MAX_ENTITY_DATABASE; - e = MAX_ENTITY_DATABASE - n; - if (e > numentities) - e = numentities; - memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e); - if (numentities > e) - memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e)); -} - -// (server) writes a frame to network stream -static entity_frame_t deltaframe; // FIXME? -void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum) -{ - int i, onum, number; - entity_frame_t *o = &deltaframe; - const entity_state_t *ent, *delta; - vec3_t eye; - prvm_eval_t *val; - - d->latestframenum++; - - VectorClear(eye); - for (i = 0;i < numstates;i++) - { - if (states[i].number == viewentnum) - { - VectorSet(eye, states[i].origin[0], states[i].origin[1], states[i].origin[2] + 22); - break; - } - } - - EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states); - - EntityFrame_FetchFrame(d, d->ackframenum, o); - - MSG_WriteByte (msg, svc_entities); - MSG_WriteLong (msg, o->framenum); - MSG_WriteLong (msg, d->latestframenum); - MSG_WriteFloat (msg, eye[0]); - MSG_WriteFloat (msg, eye[1]); - MSG_WriteFloat (msg, eye[2]); - - onum = 0; - for (i = 0;i < numstates;i++) - { - ent = states + i; - number = ent->number; - - val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[number]), eval_SendEntity); - if(val && val->function) - continue; - for (;onum < o->numentities && o->entitydata[onum].number < number;onum++) - { - // write remove message - MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000); - } - if (onum < o->numentities && (o->entitydata[onum].number == number)) - { - // delta from previous frame - delta = o->entitydata + onum; - // advance to next entity in delta frame - onum++; - } - else - { - // delta from defaults - delta = &defaultstate; - } - EntityState_WriteUpdate(ent, msg, delta); } - for (;onum < o->numentities;onum++) - { - // write remove message - MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000); - } - MSG_WriteShort(msg, 0xFFFF); } - -// (client) reads a frame from network stream -static entity_frame_t framedata; // FIXME? -void EntityFrame_CL_ReadFrame(void) -{ - int i, number, removed; - entity_frame_t *f = &framedata, *delta = &deltaframe; - entity_state_t *e, *old, *oldend; - entity_t *ent; - entityframe_database_t *d; - if (!cl.entitydatabase) - cl.entitydatabase = EntityFrame_AllocDatabase(cl_mempool); - d = cl.entitydatabase; - - EntityFrame_Clear(f, NULL, -1); - - // read the frame header info - f->time = cl.mtime[0]; - number = MSG_ReadLong(); - for (i = 0;i < LATESTFRAMENUMS-1;i++) - cl.latestframenums[i] = cl.latestframenums[i+1]; - cl.latestframenums[LATESTFRAMENUMS-1] = f->framenum = MSG_ReadLong(); - f->eye[0] = MSG_ReadFloat(); - f->eye[1] = MSG_ReadFloat(); - f->eye[2] = MSG_ReadFloat(); - EntityFrame_AckFrame(d, number); - EntityFrame_FetchFrame(d, number, delta); - old = delta->entitydata; - oldend = old + delta->numentities; - // read entities until we hit the magic 0xFFFF end tag - while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread) - { - if (msg_badread) - Host_Error("EntityFrame_Read: read error"); - removed = number & 0x8000; - number &= 0x7FFF; - if (number >= MAX_EDICTS) - Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS); - - // seek to entity, while copying any skipped entities (assume unchanged) - while (old < oldend && old->number < number) - { - if (f->numentities >= MAX_ENTITY_DATABASE) - Host_Error("EntityFrame_Read: entity list too big"); - f->entitydata[f->numentities] = *old++; - f->entitydata[f->numentities++].time = cl.mtime[0]; - } - if (removed) - { - if (old < oldend && old->number == number) - old++; - else - Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number); - } - else - { - if (f->numentities >= MAX_ENTITY_DATABASE) - Host_Error("EntityFrame_Read: entity list too big"); - - // reserve this slot - e = f->entitydata + f->numentities++; - - if (old < oldend && old->number == number) - { - // delta from old entity - *e = *old++; - } - else - { - // delta from defaults - *e = defaultstate; - } - - if (cl_num_entities <= number) - { - cl_num_entities = number + 1; - if (number >= cl_max_entities) - CL_ExpandEntities(number); - } - cl_entities_active[number] = true; - e->active = true; - e->time = cl.mtime[0]; - e->number = number; - EntityState_ReadFields(e, EntityState_ReadExtendBits()); - } - } - while (old < oldend) - { - if (f->numentities >= MAX_ENTITY_DATABASE) - Host_Error("EntityFrame_Read: entity list too big"); - f->entitydata[f->numentities] = *old++; - f->entitydata[f->numentities++].time = cl.mtime[0]; - } - EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata); - - memset(cl_entities_active, 0, cl_num_entities * sizeof(unsigned char)); - number = 1; - for (i = 0;i < f->numentities;i++) - { - for (;number < f->entitydata[i].number && number < cl_num_entities;number++) - { - if (cl_entities_active[number]) - { - cl_entities_active[number] = false; - cl_entities[number].state_current.active = false; - } - } - if (number >= cl_num_entities) - break; - // update the entity - ent = &cl_entities[number]; - ent->state_previous = ent->state_current; - ent->state_current = f->entitydata[i]; - CL_MoveLerpEntityStates(ent); - // the entity lives again... - cl_entities_active[number] = true; - number++; - } - for (;number < cl_num_entities;number++) - { - if (cl_entities_active[number]) - { - cl_entities_active[number] = false; - cl_entities[number].state_current.active = false; - } - } -} - - -// (client) returns the frame number of the most recent frame recieved -int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d) -{ - if (d->numframes) - return d->frames[d->numframes - 1].framenum; - else - return -1; -} - - - - - - -entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number) -{ - if (d->maxreferenceentities <= number) - { - int oldmax = d->maxreferenceentities; - entity_state_t *oldentity = d->referenceentity; - d->maxreferenceentities = (number + 15) & ~7; - d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity)); - if (oldentity) - { - memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity)); - Mem_Free(oldentity); - } - // clear the newly created entities - for (;oldmax < d->maxreferenceentities;oldmax++) - { - d->referenceentity[oldmax] = defaultstate; - d->referenceentity[oldmax].number = oldmax; - } - } - return d->referenceentity + number; -} - -void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s) -{ - // resize commit's entity list if full - if (d->currentcommit->maxentities <= d->currentcommit->numentities) - { - entity_state_t *oldentity = d->currentcommit->entity; - d->currentcommit->maxentities += 8; - d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity)); - if (oldentity) - { - memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity)); - Mem_Free(oldentity); - } - } - d->currentcommit->entity[d->currentcommit->numentities++] = *s; -} - -entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool) -{ - entityframe4_database_t *d; - d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d)); - d->mempool = pool; - EntityFrame4_ResetDatabase(d); - return d; -} - -void EntityFrame4_FreeDatabase(entityframe4_database_t *d) -{ - int i; - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - if (d->commit[i].entity) - Mem_Free(d->commit[i].entity); - if (d->referenceentity) - Mem_Free(d->referenceentity); - Mem_Free(d); -} - -void EntityFrame4_ResetDatabase(entityframe4_database_t *d) -{ - int i; - d->referenceframenum = -1; - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - d->commit[i].numentities = 0; - for (i = 0;i < d->maxreferenceentities;i++) - d->referenceentity[i] = defaultstate; -} - -int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode) -{ - int i, j, found; - entity_database4_commit_t *commit; - if (framenum == -1) - { - // reset reference, but leave commits alone - d->referenceframenum = -1; - for (i = 0;i < d->maxreferenceentities;i++) - d->referenceentity[i] = defaultstate; - // if this is the server, remove commits - for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++) - commit->numentities = 0; - found = true; - } - else if (d->referenceframenum == framenum) - found = true; - else - { - found = false; - for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++) - { - if (commit->numentities && commit->framenum <= framenum) - { - if (commit->framenum == framenum) - { - found = true; - d->referenceframenum = framenum; - if (developer_networkentities.integer >= 3) - { - for (j = 0;j < commit->numentities;j++) - { - entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number); - if (commit->entity[j].active != s->active) - { - if (commit->entity[j].active) - Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex); - else - Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex); - } - *s = commit->entity[j]; - } - } - else - for (j = 0;j < commit->numentities;j++) - *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j]; - } - commit->numentities = 0; - } - } - } - if (developer_networkentities.integer >= 1) - { - Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum); - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - if (d->commit[i].numentities) - Con_Printf(" %i", d->commit[i].framenum); - Con_Print("\n"); - } - return found; -} - -void EntityFrame4_CL_ReadFrame(void) -{ - int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false; - entity_state_t *s; - entityframe4_database_t *d; - if (!cl.entitydatabase4) - cl.entitydatabase4 = EntityFrame4_AllocDatabase(cl_mempool); - d = cl.entitydatabase4; - // read the number of the frame this refers to - referenceframenum = MSG_ReadLong(); - // read the number of this frame - for (i = 0;i < LATESTFRAMENUMS-1;i++) - cl.latestframenums[i] = cl.latestframenums[i+1]; - cl.latestframenums[LATESTFRAMENUMS-1] = framenum = MSG_ReadLong(); - // read the start number - enumber = (unsigned short) MSG_ReadShort(); - if (developer_networkentities.integer >= 1) - { - Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum); - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - if (d->commit[i].numentities) - Con_Printf(" %i", d->commit[i].framenum); - Con_Print("\n"); - } - if (!EntityFrame4_AckFrame(d, referenceframenum, false)) - { - Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n"); - skip = true; - } - d->currentcommit = NULL; - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - { - if (!d->commit[i].numentities) - { - d->currentcommit = d->commit + i; - d->currentcommit->framenum = framenum; - d->currentcommit->numentities = 0; - } - } - if (d->currentcommit == NULL) - { - Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum); - skip = true; - } - done = false; - while (!done && !msg_badread) - { - // read the number of the modified entity - // (gaps will be copied unmodified) - n = (unsigned short)MSG_ReadShort(); - if (n == 0x8000) - { - // no more entities in this update, but we still need to copy the - // rest of the reference entities (final gap) - done = true; - // read end of range number, then process normally - n = (unsigned short)MSG_ReadShort(); - } - // high bit means it's a remove message - cnumber = n & 0x7FFF; - // if this is a live entity we may need to expand the array - if (cl_num_entities <= cnumber && !(n & 0x8000)) - { - cl_num_entities = cnumber + 1; - if (cnumber >= cl_max_entities) - CL_ExpandEntities(cnumber); - } - // add one (the changed one) if not done - stopnumber = cnumber + !done; - // process entities in range from the last one to the changed one - for (;enumber < stopnumber;enumber++) - { - if (skip || enumber >= cl_num_entities) - { - if (enumber == cnumber && (n & 0x8000) == 0) - { - entity_state_t tempstate; - EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits()); - } - continue; - } - // slide the current into the previous slot - cl_entities[enumber].state_previous = cl_entities[enumber].state_current; - // copy a new current from reference database - cl_entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber); - s = &cl_entities[enumber].state_current; - // if this is the one to modify, read more data... - if (enumber == cnumber) - { - if (n & 0x8000) - { - // simply removed - if (developer_networkentities.integer >= 2) - Con_Printf("entity %i: remove\n", enumber); - *s = defaultstate; - } - else - { - // read the changes - if (developer_networkentities.integer >= 2) - Con_Printf("entity %i: update\n", enumber); - s->active = true; - EntityState_ReadFields(s, EntityState_ReadExtendBits()); - } - } - else if (developer_networkentities.integer >= 4) - Con_Printf("entity %i: copy\n", enumber); - // set the cl_entities_active flag - cl_entities_active[enumber] = s->active; - // set the update time - s->time = cl.mtime[0]; - // fix the number (it gets wiped occasionally by copying from defaultstate) - s->number = enumber; - // check if we need to update the lerp stuff - if (s->active) - CL_MoveLerpEntityStates(&cl_entities[enumber]); - // add this to the commit entry whether it is modified or not - if (d->currentcommit) - EntityFrame4_AddCommitEntity(d, &cl_entities[enumber].state_current); - // print extra messages if desired - if (developer_networkentities.integer >= 2 && cl_entities[enumber].state_current.active != cl_entities[enumber].state_previous.active) - { - if (cl_entities[enumber].state_current.active) - Con_Printf("entity #%i has become active\n", enumber); - else if (cl_entities[enumber].state_previous.active) - Con_Printf("entity #%i has become inactive\n", enumber); - } - } - } - d->currentcommit = NULL; - if (skip) - EntityFrame4_ResetDatabase(d); -} - -void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int numstates, const entity_state_t *states) -{ - const entity_state_t *e, *s; - entity_state_t inactiveentitystate; - int i, n, startnumber; - sizebuf_t buf; - unsigned char data[128]; - prvm_eval_t *val; - - // if there isn't enough space to accomplish anything, skip it - if (msg->cursize + 24 > msg->maxsize) - return; - - // prepare the buffer - memset(&buf, 0, sizeof(buf)); - buf.data = data; - buf.maxsize = sizeof(data); - - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - if (!d->commit[i].numentities) - break; - // if commit buffer full, just don't bother writing an update this frame - if (i == MAX_ENTITY_HISTORY) - return; - d->currentcommit = d->commit + i; - - // this state's number gets played around with later - inactiveentitystate = defaultstate; - - d->currentcommit->numentities = 0; - d->currentcommit->framenum = ++d->latestframenumber; - MSG_WriteByte(msg, svc_entities); - MSG_WriteLong(msg, d->referenceframenum); - MSG_WriteLong(msg, d->currentcommit->framenum); - if (developer_networkentities.integer >= 1) - { - Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum); - for (i = 0;i < MAX_ENTITY_HISTORY;i++) - if (d->commit[i].numentities) - Con_Printf(" %i", d->commit[i].framenum); - Con_Print(")\n"); - } - if (d->currententitynumber >= prog->max_edicts) - startnumber = 1; - else - startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1); - MSG_WriteShort(msg, startnumber); - // reset currententitynumber so if the loop does not break it we will - // start at beginning next frame (if it does break, it will set it) - d->currententitynumber = 1; - for (i = 0, n = startnumber;n < prog->max_edicts;n++) - { - val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[n]), eval_SendEntity); - if(val && val->function) - continue; - // find the old state to delta from - e = EntityFrame4_GetReferenceEntity(d, n); - // prepare the buffer - SZ_Clear(&buf); - // entity exists, build an update (if empty there is no change) - // find the state in the list - for (;i < numstates && states[i].number < n;i++); - // make the message - s = states + i; - if (s->number == n) - { - // build the update - EntityState_WriteUpdate(s, &buf, e); - } - else - { - inactiveentitystate.number = n; - s = &inactiveentitystate; - if (e->active) - { - // entity used to exist but doesn't anymore, send remove - MSG_WriteShort(&buf, n | 0x8000); - } - } - // if the commit is full, we're done this frame - if (msg->cursize + buf.cursize > msg->maxsize - 4) - { - // next frame we will continue where we left off - break; - } - // add the entity to the commit - EntityFrame4_AddCommitEntity(d, s); - // if the message is empty, skip out now - if (buf.cursize) - { - // write the message to the packet - SZ_Write(msg, buf.data, buf.cursize); - } - } - d->currententitynumber = n; - - // remove world message (invalid, and thus a good terminator) - MSG_WriteShort(msg, 0x8000); - // write the number of the end entity - MSG_WriteShort(msg, d->currententitynumber); - // just to be sure - d->currentcommit = NULL; -} - - - - -#define E5_PROTOCOL_PRIORITYLEVELS 32 - -entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool) -{ - int i; - entityframe5_database_t *d; - d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d)); - d->latestframenum = 0; - for (i = 0;i < d->maxedicts;i++) - d->states[i] = defaultstate; - return d; -} - -void EntityFrame5_FreeDatabase(entityframe5_database_t *d) -{ - // all the [maxedicts] memory is allocated at once, so there's only one - // thing to free - if (d->maxedicts) - Mem_Free(d->deltabits); - Mem_Free(d); -} - -void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax) -{ - if (d->maxedicts < newmax) - { - unsigned char *data; - int oldmaxedicts = d->maxedicts; - int *olddeltabits = d->deltabits; - unsigned char *oldpriorities = d->priorities; - int *oldupdateframenum = d->updateframenum; - entity_state_t *oldstates = d->states; - unsigned char *oldvisiblebits = d->visiblebits; - d->maxedicts = newmax; - data = (unsigned char *)Mem_Alloc(sv_mempool, d->maxedicts * sizeof(int) + d->maxedicts * sizeof(unsigned char) + d->maxedicts * sizeof(int) + d->maxedicts * sizeof(entity_state_t) + (d->maxedicts+7)/8 * sizeof(unsigned char)); - d->deltabits = (int *)data;data += d->maxedicts * sizeof(int); - d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char); - d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int); - d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t); - d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char); - if (oldmaxedicts) - { - memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int)); - memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char)); - memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int)); - memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t)); - memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char)); - // the previous buffers were a single allocation, so just one free - Mem_Free(olddeltabits); - } - } -} - -int EntityState5_Priority(entityframe5_database_t *d, int stateindex) -{ - int lowprecision, limit, priority; - double distance; - int changedbits; - int age; - entity_state_t *view, *s; - changedbits = d->deltabits[stateindex]; - if (!changedbits) - return 0; - if (!d->states[stateindex].active/* && changedbits & E5_FULLUPDATE*/) - return E5_PROTOCOL_PRIORITYLEVELS - 1; - // check whole attachment chain to judge relevance to player - view = d->states + d->viewentnum; - lowprecision = false; - for (limit = 0;limit < 256;limit++) - { - if (d->maxedicts < stateindex) - EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255); - s = d->states + stateindex; - if (s == view) - return E5_PROTOCOL_PRIORITYLEVELS - 1; - if (s->flags & RENDER_VIEWMODEL) - return E5_PROTOCOL_PRIORITYLEVELS - 1; - if (s->flags & RENDER_LOWPRECISION) - lowprecision = true; - if (!s->tagentity) - { - if (VectorCompare(s->origin, view->origin)) - return E5_PROTOCOL_PRIORITYLEVELS - 1; - break; - } - stateindex = s->tagentity; - } - if (limit >= 256) - { - Con_Printf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex); - return 0; - } - // it's not a viewmodel for this client - distance = VectorDistance(view->origin, s->origin); - age = d->latestframenum - d->updateframenum[stateindex]; - priority = (E5_PROTOCOL_PRIORITYLEVELS / 2) + age - (int)(distance * (E5_PROTOCOL_PRIORITYLEVELS / 16384.0f)); - if (lowprecision) - priority -= (E5_PROTOCOL_PRIORITYLEVELS / 4); - //if (changedbits & E5_FULLUPDATE) - // priority += 4; - //if (changedbits & (E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP)) - // priority += 4; - return (int) bound(1, priority, E5_PROTOCOL_PRIORITYLEVELS - 1); -} - -void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg) -{ - unsigned int bits = 0; - - prvm_eval_t *val; - val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity); - if(val && val->function) - return; - - if (!s->active) - MSG_WriteShort(msg, number | 0x8000); - else - { - bits = changedbits; - if ((bits & E5_ORIGIN) && (!(s->flags & RENDER_LOWPRECISION) || s->origin[0] < -4096 || s->origin[0] >= 4096 || s->origin[1] < -4096 || s->origin[1] >= 4096 || s->origin[2] < -4096 || s->origin[2] >= 4096)) - bits |= E5_ORIGIN32; - if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION)) - bits |= E5_ANGLES16; - if ((bits & E5_MODEL) && s->modelindex >= 256) - bits |= E5_MODEL16; - if ((bits & E5_FRAME) && s->frame >= 256) - bits |= E5_FRAME16; - if (bits & E5_EFFECTS) - { - if (s->effects >= 65536) - bits |= E5_EFFECTS32; - else if (s->effects >= 256) - bits |= E5_EFFECTS16; - } - if (bits >= 256) - bits |= E5_EXTEND1; - if (bits >= 65536) - bits |= E5_EXTEND2; - if (bits >= 16777216) - bits |= E5_EXTEND3; - MSG_WriteShort(msg, number); - MSG_WriteByte(msg, bits & 0xFF); - if (bits & E5_EXTEND1) - MSG_WriteByte(msg, (bits >> 8) & 0xFF); - if (bits & E5_EXTEND2) - MSG_WriteByte(msg, (bits >> 16) & 0xFF); - if (bits & E5_EXTEND3) - MSG_WriteByte(msg, (bits >> 24) & 0xFF); - if (bits & E5_FLAGS) - MSG_WriteByte(msg, s->flags); - if (bits & E5_ORIGIN) - { - if (bits & E5_ORIGIN32) - { - MSG_WriteCoord32f(msg, s->origin[0]); - MSG_WriteCoord32f(msg, s->origin[1]); - MSG_WriteCoord32f(msg, s->origin[2]); - } - else - { - MSG_WriteCoord13i(msg, s->origin[0]); - MSG_WriteCoord13i(msg, s->origin[1]); - MSG_WriteCoord13i(msg, s->origin[2]); - } - } - if (bits & E5_ANGLES) - { - if (bits & E5_ANGLES16) - { - MSG_WriteAngle16i(msg, s->angles[0]); - MSG_WriteAngle16i(msg, s->angles[1]); - MSG_WriteAngle16i(msg, s->angles[2]); - } - else - { - MSG_WriteAngle8i(msg, s->angles[0]); - MSG_WriteAngle8i(msg, s->angles[1]); - MSG_WriteAngle8i(msg, s->angles[2]); - } - } - if (bits & E5_MODEL) - { - if (bits & E5_MODEL16) - MSG_WriteShort(msg, s->modelindex); - else - MSG_WriteByte(msg, s->modelindex); - } - if (bits & E5_FRAME) - { - if (bits & E5_FRAME16) - MSG_WriteShort(msg, s->frame); - else - MSG_WriteByte(msg, s->frame); - } - if (bits & E5_SKIN) - MSG_WriteByte(msg, s->skin); - if (bits & E5_EFFECTS) - { - if (bits & E5_EFFECTS32) - MSG_WriteLong(msg, s->effects); - else if (bits & E5_EFFECTS16) - MSG_WriteShort(msg, s->effects); - else - MSG_WriteByte(msg, s->effects); - } - if (bits & E5_ALPHA) - MSG_WriteByte(msg, s->alpha); - if (bits & E5_SCALE) - MSG_WriteByte(msg, s->scale); - if (bits & E5_COLORMAP) - MSG_WriteByte(msg, s->colormap); - if (bits & E5_ATTACHMENT) - { - MSG_WriteShort(msg, s->tagentity); - MSG_WriteByte(msg, s->tagindex); - } - if (bits & E5_LIGHT) - { - MSG_WriteShort(msg, s->light[0]); - MSG_WriteShort(msg, s->light[1]); - MSG_WriteShort(msg, s->light[2]); - MSG_WriteShort(msg, s->light[3]); - MSG_WriteByte(msg, s->lightstyle); - MSG_WriteByte(msg, s->lightpflags); - } - if (bits & E5_GLOW) - { - MSG_WriteByte(msg, s->glowsize); - MSG_WriteByte(msg, s->glowcolor); - } - if (bits & E5_COLORMOD) - { - MSG_WriteByte(msg, s->colormod[0]); - MSG_WriteByte(msg, s->colormod[1]); - MSG_WriteByte(msg, s->colormod[2]); - } - } -} - -void EntityState5_ReadUpdate(entity_state_t *s) -{ - int bits; - bits = MSG_ReadByte(); - if (bits & E5_EXTEND1) - { - bits |= MSG_ReadByte() << 8; - if (bits & E5_EXTEND2) - { - bits |= MSG_ReadByte() << 16; - if (bits & E5_EXTEND3) - bits |= MSG_ReadByte() << 24; - } - } - if (bits & E5_FULLUPDATE) - { - *s = defaultstate; - s->active = true; - } - if (bits & E5_FLAGS) - s->flags = MSG_ReadByte(); - if (bits & E5_ORIGIN) - { - if (bits & E5_ORIGIN32) - { - s->origin[0] = MSG_ReadCoord32f(); - s->origin[1] = MSG_ReadCoord32f(); - s->origin[2] = MSG_ReadCoord32f(); - } - else - { - s->origin[0] = MSG_ReadCoord13i(); - s->origin[1] = MSG_ReadCoord13i(); - s->origin[2] = MSG_ReadCoord13i(); - } - } - if (bits & E5_ANGLES) - { - if (bits & E5_ANGLES16) - { - s->angles[0] = MSG_ReadAngle16i(); - s->angles[1] = MSG_ReadAngle16i(); - s->angles[2] = MSG_ReadAngle16i(); - } - else - { - s->angles[0] = MSG_ReadAngle8i(); - s->angles[1] = MSG_ReadAngle8i(); - s->angles[2] = MSG_ReadAngle8i(); - } - } - if (bits & E5_MODEL) - { - if (bits & E5_MODEL16) - s->modelindex = (unsigned short) MSG_ReadShort(); - else - s->modelindex = MSG_ReadByte(); - } - if (bits & E5_FRAME) - { - if (bits & E5_FRAME16) - s->frame = (unsigned short) MSG_ReadShort(); - else - s->frame = MSG_ReadByte(); - } - if (bits & E5_SKIN) - s->skin = MSG_ReadByte(); - if (bits & E5_EFFECTS) - { - if (bits & E5_EFFECTS32) - s->effects = (unsigned int) MSG_ReadLong(); - else if (bits & E5_EFFECTS16) - s->effects = (unsigned short) MSG_ReadShort(); - else - s->effects = MSG_ReadByte(); - } - if (bits & E5_ALPHA) - s->alpha = MSG_ReadByte(); - if (bits & E5_SCALE) - s->scale = MSG_ReadByte(); - if (bits & E5_COLORMAP) - s->colormap = MSG_ReadByte(); - if (bits & E5_ATTACHMENT) - { - s->tagentity = (unsigned short) MSG_ReadShort(); - s->tagindex = MSG_ReadByte(); - } - if (bits & E5_LIGHT) - { - s->light[0] = (unsigned short) MSG_ReadShort(); - s->light[1] = (unsigned short) MSG_ReadShort(); - s->light[2] = (unsigned short) MSG_ReadShort(); - s->light[3] = (unsigned short) MSG_ReadShort(); - s->lightstyle = MSG_ReadByte(); - s->lightpflags = MSG_ReadByte(); - } - if (bits & E5_GLOW) - { - s->glowsize = MSG_ReadByte(); - s->glowcolor = MSG_ReadByte(); - } - if (bits & E5_COLORMOD) - { - s->colormod[0] = MSG_ReadByte(); - s->colormod[1] = MSG_ReadByte(); - s->colormod[2] = MSG_ReadByte(); - } - - - if (developer_networkentities.integer >= 2) - { - Con_Printf("ReadFields e%i", s->number); - - if (bits & E5_ORIGIN) - Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]); - if (bits & E5_ANGLES) - Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]); - if (bits & E5_MODEL) - Con_Printf(" E5_MODEL %i", s->modelindex); - if (bits & E5_FRAME) - Con_Printf(" E5_FRAME %i", s->frame); - if (bits & E5_SKIN) - Con_Printf(" E5_SKIN %i", s->skin); - if (bits & E5_EFFECTS) - Con_Printf(" E5_EFFECTS %i", s->effects); - if (bits & E5_FLAGS) - { - Con_Printf(" E5_FLAGS %i (", s->flags); - if (s->flags & RENDER_STEP) - Con_Print(" STEP"); - if (s->flags & RENDER_GLOWTRAIL) - Con_Print(" GLOWTRAIL"); - if (s->flags & RENDER_VIEWMODEL) - Con_Print(" VIEWMODEL"); - if (s->flags & RENDER_EXTERIORMODEL) - Con_Print(" EXTERIORMODEL"); - if (s->flags & RENDER_LOWPRECISION) - Con_Print(" LOWPRECISION"); - if (s->flags & RENDER_COLORMAPPED) - Con_Print(" COLORMAPPED"); - if (s->flags & RENDER_SHADOW) - Con_Print(" SHADOW"); - if (s->flags & RENDER_LIGHT) - Con_Print(" LIGHT"); - Con_Print(")"); - } - if (bits & E5_ALPHA) - Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f); - if (bits & E5_SCALE) - Con_Printf(" E5_SCALE %f", s->scale / 16.0f); - if (bits & E5_COLORMAP) - Con_Printf(" E5_COLORMAP %i", s->colormap); - if (bits & E5_ATTACHMENT) - Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex); - if (bits & E5_LIGHT) - Con_Printf(" E5_LIGHT %i:%i:%i:%i %i:%i", s->light[0], s->light[1], s->light[2], s->light[3], s->lightstyle, s->lightpflags); - if (bits & E5_GLOW) - Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor); - if (bits & E5_COLORMOD) - Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f); - Con_Print("\n"); - } -} - -int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n) -{ - unsigned int bits = 0; - if (n->active) - { - if (!o->active) - bits |= E5_FULLUPDATE; - if (!VectorCompare(o->origin, n->origin)) - bits |= E5_ORIGIN; - if (!VectorCompare(o->angles, n->angles)) - bits |= E5_ANGLES; - if (o->modelindex != n->modelindex) - bits |= E5_MODEL; - if (o->frame != n->frame) - bits |= E5_FRAME; - if (o->skin != n->skin) - bits |= E5_SKIN; - if (o->effects != n->effects) - bits |= E5_EFFECTS; - if (o->flags != n->flags) - bits |= E5_FLAGS; - if (o->alpha != n->alpha) - bits |= E5_ALPHA; - if (o->scale != n->scale) - bits |= E5_SCALE; - if (o->colormap != n->colormap) - bits |= E5_COLORMAP; - if (o->tagentity != n->tagentity || o->tagindex != n->tagindex) - bits |= E5_ATTACHMENT; - if (o->light[0] != n->light[0] || o->light[1] != n->light[1] || o->light[2] != n->light[2] || o->light[3] != n->light[3] || o->lightstyle != n->lightstyle || o->lightpflags != n->lightpflags) - bits |= E5_LIGHT; - if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor) - bits |= E5_GLOW; - if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2]) - bits |= E5_COLORMOD; - } - else - if (o->active) - bits |= E5_FULLUPDATE; - return bits; -} - -void EntityFrame5_CL_ReadFrame(void) -{ - int i, n, enumber; - entity_t *ent; - entity_state_t *s; - // read the number of this frame to echo back in next input packet - for (i = 0;i < LATESTFRAMENUMS-1;i++) - cl.latestframenums[i] = cl.latestframenums[i+1]; - cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong(); - if (developer_networkentities.integer) - Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]); - if (cls.protocol != PROTOCOL_QUAKE && cls.protocol != PROTOCOL_QUAKEDP && cls.protocol != PROTOCOL_NEHAHRAMOVIE && cls.protocol != PROTOCOL_DARKPLACES1 && cls.protocol != PROTOCOL_DARKPLACES2 && cls.protocol != PROTOCOL_DARKPLACES3 && cls.protocol != PROTOCOL_DARKPLACES4 && cls.protocol != PROTOCOL_DARKPLACES5 && cls.protocol != PROTOCOL_DARKPLACES6) - cl.servermovesequence = MSG_ReadLong(); - // read entity numbers until we find a 0x8000 - // (which would be remove world entity, but is actually a terminator) - while ((n = (unsigned short)MSG_ReadShort()) != 0x8000 && !msg_badread) - { - // get the entity number - enumber = n & 0x7FFF; - // we may need to expand the array - if (cl_num_entities <= enumber) - { - cl_num_entities = enumber + 1; - if (enumber >= cl_max_entities) - CL_ExpandEntities(enumber); - } - // look up the entity - ent = cl_entities + enumber; - // slide the current into the previous slot - ent->state_previous = ent->state_current; - // read the update - s = &ent->state_current; - if (n & 0x8000) - { - // remove entity - *s = defaultstate; - } - else - { - // update entity - EntityState5_ReadUpdate(s); - } - // set the cl_entities_active flag - cl_entities_active[enumber] = s->active; - // set the update time - s->time = cl.mtime[0]; - // fix the number (it gets wiped occasionally by copying from defaultstate) - s->number = enumber; - // check if we need to update the lerp stuff - if (s->active) - CL_MoveLerpEntityStates(&cl_entities[enumber]); - // print extra messages if desired - if (developer_networkentities.integer >= 2 && cl_entities[enumber].state_current.active != cl_entities[enumber].state_previous.active) - { - if (cl_entities[enumber].state_current.active) - Con_Printf("entity #%i has become active\n", enumber); - else if (cl_entities[enumber].state_previous.active) - Con_Printf("entity #%i has become inactive\n", enumber); - } - } -} - -void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum) -{ - int i, j, k, l, bits; - entityframe5_changestate_t *s, *s2; - entityframe5_packetlog_t *p, *p2; - unsigned char statsdeltabits[(MAX_CL_STATS+7)/8]; - // scan for packets that were lost - for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++) - { - if (p->packetnumber && p->packetnumber <= framenum) - { - // packet was lost - merge deltabits into the main array so they - // will be re-sent, but only if there is no newer update of that - // bit in the logs (as those will arrive before this update) - for (j = 0, s = p->states;j < p->numstates;j++, s++) - { - // check for any newer updates to this entity and mask off any - // overlapping bits (we don't need to send something again if - // it has already been sent more recently) - bits = s->bits & ~d->deltabits[s->number]; - for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS && bits;k++, p2++) - { - if (p2->packetnumber > framenum) - { - for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++) - { - if (s2->number == s->number) - { - bits &= ~s2->bits; - break; - } - } - } - } - // if the bits haven't all been cleared, there were some bits - // lost with this packet, so set them again now - if (bits) - { - d->deltabits[s->number] |= bits; - d->priorities[s->number] = EntityState5_Priority(d, s->number); - } - } - // mark lost stats - for (j = 0;j < MAX_CL_STATS;j++) - { - for (l = 0;l < (MAX_CL_STATS+7)/8;l++) - statsdeltabits[l] = p->statsdeltabits[l] & ~d->statsdeltabits[l]; - for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS;k++, p2++) - if (p2->packetnumber > framenum) - for (l = 0;l < (MAX_CL_STATS+7)/8;l++) - statsdeltabits[l] = p->statsdeltabits[l] & ~p2->statsdeltabits[l]; - for (l = 0;l < (MAX_CL_STATS+7)/8;l++) - d->statsdeltabits[l] |= statsdeltabits[l]; - } - // delete this packet log as it is now obsolete - p->packetnumber = 0; - } - } -} - -void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum) -{ - int i; - // scan for packets made obsolete by this ack and delete them - for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++) - if (d->packetlog[i].packetnumber <= framenum) - d->packetlog[i].packetnumber = 0; -} - -int entityframe5_prioritychaincounts[E5_PROTOCOL_PRIORITYLEVELS]; -unsigned short entityframe5_prioritychains[E5_PROTOCOL_PRIORITYLEVELS][ENTITYFRAME5_MAXSTATES]; - -void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int *stats, int movesequence) -{ - const entity_state_t *n; - int i, num, l, framenum, packetlognumber, priority; - sizebuf_t buf; - unsigned char data[128]; - entityframe5_packetlog_t *packetlog; - - if (prog->max_edicts > d->maxedicts) - EntityFrame5_ExpandEdicts(d, prog->max_edicts); - - framenum = d->latestframenum + 1; - d->viewentnum = viewentnum; - - // if packet log is full, mark all frames as lost, this will cause - // it to send the lost data again - for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++) - if (d->packetlog[packetlognumber].packetnumber == 0) - break; - if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS) - { - Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n"); - EntityFrame5_LostFrame(d, framenum); - packetlognumber = 0; - } - - // prepare the buffer - memset(&buf, 0, sizeof(buf)); - buf.data = data; - buf.maxsize = sizeof(data); - - // detect changes in stats - for (i = 0;i < MAX_CL_STATS;i++) - { - if (d->stats[i] != stats[i]) - { - d->statsdeltabits[i>>3] |= (1<<(i&7)); - d->stats[i] = stats[i]; - } - } - - // detect changes in states - num = 0; - for (i = 0, n = states;i < numstates;i++, n++) - { - // mark gaps in entity numbering as removed entities - for (;num < n->number;num++) - { - // if the entity used to exist, clear it - if (CHECKPVSBIT(d->visiblebits, num)) - { - CLEARPVSBIT(d->visiblebits, num); - d->deltabits[num] = E5_FULLUPDATE; - d->priorities[num] = EntityState5_Priority(d, num); - d->states[num] = defaultstate; - d->states[num].number = num; - } - } - // update the entity state data - if (!CHECKPVSBIT(d->visiblebits, num)) - { - // entity just spawned in, don't let it completely hog priority - // because of being ancient on the first frame - d->updateframenum[num] = framenum; - } - SETPVSBIT(d->visiblebits, num); - d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n); - d->priorities[num] = EntityState5_Priority(d, num); - d->states[num] = *n; - d->states[num].number = num; - // advance to next entity so the next iteration doesn't immediately remove it - num++; - } - // all remaining entities are dead - for (;num < d->maxedicts;num++) - { - if (CHECKPVSBIT(d->visiblebits, num)) - { - CLEARPVSBIT(d->visiblebits, num); - d->deltabits[num] = E5_FULLUPDATE; - d->priorities[num] = EntityState5_Priority(d, num); - d->states[num] = defaultstate; - d->states[num].number = num; - } - } - - // if there isn't at least enough room for an empty svc_entities, - // don't bother trying... - if (buf.cursize + 11 > buf.maxsize) - return; - - // build lists of entities by priority level - memset(entityframe5_prioritychaincounts, 0, sizeof(entityframe5_prioritychaincounts)); - l = 0; - for (num = 0;num < d->maxedicts;num++) - { - if (d->priorities[num]) - { - l = num; - priority = d->priorities[num]; - if (entityframe5_prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES) - entityframe5_prioritychains[priority][entityframe5_prioritychaincounts[priority]++] = num; - } - } - - // add packetlog entry - packetlog = d->packetlog + packetlognumber; - packetlog->packetnumber = framenum; - packetlog->numstates = 0; - // write stat updates - if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5) - { - for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++) - { - if (d->statsdeltabits[i>>3] & (1<<(i&7))) - { - d->statsdeltabits[i>>3] &= ~(1<<(i&7)); - packetlog->statsdeltabits[i>>3] |= (1<<(i&7)); - if (d->stats[i] >= 0 && d->stats[i] < 256) - { - MSG_WriteByte(msg, svc_updatestatubyte); - MSG_WriteByte(msg, i); - MSG_WriteByte(msg, d->stats[i]); - } - else - { - MSG_WriteByte(msg, svc_updatestat); - MSG_WriteByte(msg, i); - MSG_WriteLong(msg, d->stats[i]); - } - } - } - } - // write state updates - if (developer_networkentities.integer) - Con_Printf("send: svc_entities %i\n", framenum); - d->latestframenum = framenum; - MSG_WriteByte(msg, svc_entities); - MSG_WriteLong(msg, framenum); - if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6) - MSG_WriteLong(msg, movesequence); - for (priority = E5_PROTOCOL_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--) - { - for (i = 0;i < entityframe5_prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++) - { - num = entityframe5_prioritychains[priority][i]; - n = d->states + num; - if (d->deltabits[num] & E5_FULLUPDATE) - d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n); - buf.cursize = 0; - EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf); - // if the entity won't fit, try the next one - if (msg->cursize + buf.cursize + 2 > msg->maxsize) - continue; - // write entity to the packet - SZ_Write(msg, buf.data, buf.cursize); - // mark age on entity for prioritization - d->updateframenum[num] = framenum; - // log entity so deltabits can be restored later if lost - packetlog->states[packetlog->numstates].number = num; - packetlog->states[packetlog->numstates].bits = d->deltabits[num]; - packetlog->numstates++; - // clear deltabits and priority so it won't be sent again - d->deltabits[num] = 0; - d->priorities[num] = 0; - } - } - MSG_WriteShort(msg, 0x8000); -} -