-
#include "quakedef.h"
+// this is 88 bytes (must match entity_state_t in protocol.h)
entity_state_t defaultstate =
{
- 0,//double time; // time this state was built
- {0,0,0},//vec3_t origin;
- {0,0,0},//vec3_t angles;
- 0,//int number; // entity number this state is for
- 0,//unsigned short active; // true if a valid state
+ // ! 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 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 effects;
0,//unsigned short tagentity;
- 0,//unsigned short specialvisibilityradius;
- 0,//unsigned short viewmodelforclient;
- 0,//unsigned short exteriormodelforclient;
- 0,//unsigned short nodrawtoclient;
- 0,//unsigned short drawonlytoclient;
- 0,//qbyte colormap;
- 0,//qbyte skin;
- 255,//qbyte alpha;
- 16,//qbyte scale;
- 0,//qbyte glowsize;
- 254,//qbyte glowcolor;
- 0,//qbyte flags;
- 0,//qbyte tagindex;
+ 0,//unsigned short specialvisibilityradius; // ! larger if it has effects/light
+ 0,//unsigned short viewmodelforclient; // !
+ 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
+ ACTIVE_NOT,//unsigned char active; // true if a valid state
+ 0,//unsigned char lightstyle;
+ 0,//unsigned char lightpflags;
+ 0,//unsigned char colormap;
+ 0,//unsigned char skin; // also chooses cubemap for rtlights if lightpflags & LIGHTPFLAGS_FULLDYNAMIC
+ 255,//unsigned char alpha;
+ 16,//unsigned char scale;
+ 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];
+ {32, 32, 32},//unsigned char glowmod[3];
};
-void ClearStateToDefault(entity_state_t *s)
-{
- *s = defaultstate;
- /*
- memset(s, 0, sizeof(*s));
- s->alpha = 255;
- s->scale = 16;
- s->glowcolor = 254;
- */
-}
-
-void EntityState_Write(entity_state_t *ent, sizebuf_t *msg, entity_state_t *delta)
-{
- int bits;
- vec3_t org, deltaorg;
- if (ent->active)
- {
- // if not active last frame, delta from defaults
- if (!delta->active)
- delta = &defaultstate;
- bits = 0;
- VectorCopy(ent->origin, org);
- VectorCopy(delta->origin, deltaorg);
- if (ent->flags & RENDER_LOWPRECISION)
- {
- if (org[0] > 0)
- org[0] = (int) (org[0] + 0.5f);
- else
- org[0] = (int) (org[0] - 0.5f);
- if (org[1] > 0)
- org[1] = (int) (org[1] + 0.5f);
- else
- org[1] = (int) (org[1] - 0.5f);
- if (org[2] > 0)
- org[2] = (int) (org[2] + 0.5f);
- else
- org[2] = (int) (org[2] - 0.5f);
- }
- if (delta->flags & RENDER_LOWPRECISION)
- {
- if (deltaorg[0] > 0)
- deltaorg[0] = (int) (deltaorg[0] + 0.5f);
- else
- deltaorg[0] = (int) (deltaorg[0] - 0.5f);
- if (deltaorg[1] > 0)
- deltaorg[1] = (int) (deltaorg[1] + 0.5f);
- else
- deltaorg[1] = (int) (deltaorg[1] - 0.5f);
- if (deltaorg[2] > 0)
- deltaorg[2] = (int) (deltaorg[2] + 0.5f);
- else
- deltaorg[2] = (int) (deltaorg[2] - 0.5f);
- }
- if (fabs(org[0] - deltaorg[0]) > 0.01f)
- bits |= E_ORIGIN1;
- if (fabs(org[1] - deltaorg[1]) > 0.01f)
- bits |= E_ORIGIN2;
- if (fabs(org[2] - deltaorg[2]) > 0.01f)
- bits |= E_ORIGIN3;
- if ((qbyte) (ent->angles[0] * (256.0f / 360.0f)) != (qbyte) (delta->angles[0] * (256.0f / 360.0f)))
- bits |= E_ANGLE1;
- if ((qbyte) (ent->angles[1] * (256.0f / 360.0f)) != (qbyte) (delta->angles[1] * (256.0f / 360.0f)))
- bits |= E_ANGLE2;
- if ((qbyte) (ent->angles[2] * (256.0f / 360.0f)) != (qbyte) (delta->angles[2] * (256.0f / 360.0f)))
- bits |= E_ANGLE3;
- if ((ent->modelindex ^ delta->modelindex) & 0x00FF)
- bits |= E_MODEL1;
- if ((ent->modelindex ^ delta->modelindex) & 0xFF00)
- bits |= E_MODEL2;
- if ((ent->frame ^ delta->frame) & 0x00FF)
- bits |= E_FRAME1;
- if ((ent->frame ^ delta->frame) & 0xFF00)
- bits |= E_FRAME2;
- if ((ent->effects ^ delta->effects) & 0x00FF)
- bits |= E_EFFECTS1;
- if ((ent->effects ^ delta->effects) & 0xFF00)
- bits |= E_EFFECTS2;
- if (ent->colormap != delta->colormap)
- bits |= E_COLORMAP;
- if (ent->skin != delta->skin)
- bits |= E_SKIN;
- if (ent->alpha != delta->alpha)
- bits |= E_ALPHA;
- if (ent->scale != delta->scale)
- bits |= E_SCALE;
- if (ent->glowsize != delta->glowsize)
- bits |= E_GLOWSIZE;
- if (ent->glowcolor != delta->glowcolor)
- bits |= E_GLOWCOLOR;
- if (ent->flags != delta->flags)
- bits |= E_FLAGS;
- if (ent->tagindex != delta->tagindex || ent->tagentity != delta->tagentity)
- bits |= E_TAGATTACHMENT;
-
- if (bits) // don't send anything if it hasn't changed
- {
- if (bits & 0xFF000000)
- bits |= E_EXTEND3;
- if (bits & 0x00FF0000)
- bits |= E_EXTEND2;
- if (bits & 0x0000FF00)
- bits |= E_EXTEND1;
-
- MSG_WriteShort(msg, ent->number);
- MSG_WriteByte(msg, bits & 0xFF);
- if (bits & E_EXTEND1)
- {
- MSG_WriteByte(msg, (bits >> 8) & 0xFF);
- if (bits & E_EXTEND2)
- {
- MSG_WriteByte(msg, (bits >> 16) & 0xFF);
- if (bits & E_EXTEND3)
- MSG_WriteByte(msg, (bits >> 24) & 0xFF);
- }
- }
- // 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_WriteShort(msg, org[0]);
- if (bits & E_ORIGIN2)
- MSG_WriteShort(msg, org[1]);
- if (bits & E_ORIGIN3)
- MSG_WriteShort(msg, org[2]);
- }
- else
- {
- if (bits & E_ORIGIN1)
- MSG_WriteFloat(msg, org[0]);
- if (bits & E_ORIGIN2)
- MSG_WriteFloat(msg, org[1]);
- if (bits & E_ORIGIN3)
- MSG_WriteFloat(msg, org[2]);
- }
- if (bits & E_ANGLE1)
- MSG_WriteAngle(msg, ent->angles[0]);
- if (bits & E_ANGLE2)
- MSG_WriteAngle(msg, ent->angles[1]);
- if (bits & E_ANGLE3)
- MSG_WriteAngle(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 (bits & E_TAGATTACHMENT)
- {
- MSG_WriteShort(msg, ent->tagentity);
- MSG_WriteByte(msg, ent->tagindex);
- }
- }
- }
- else if (delta->active)
- MSG_WriteShort(msg, ent->number | 0x8000);
-}
-
-void EntityState_ReadUpdate(entity_state_t *e, int number)
-{
- int bits;
- if (!e->active)
- {
- *e = defaultstate;
- e->active = true;
- }
- e->time = cl.mtime[0];
- e->number = number;
-
- bits = MSG_ReadByte();
- if (bits & E_EXTEND1)
- {
- bits |= MSG_ReadByte() << 8;
- if (bits & E_EXTEND2)
- {
- bits |= MSG_ReadByte() << 16;
- if (bits & E_EXTEND3)
- bits |= MSG_ReadByte() << 24;
- }
- }
-
- if (dpprotocol == DPPROTOCOL_VERSION2)
- {
- if (bits & E_ORIGIN1)
- e->origin[0] = (signed short) MSG_ReadShort();
- if (bits & E_ORIGIN2)
- e->origin[1] = (signed short) MSG_ReadShort();
- if (bits & E_ORIGIN3)
- e->origin[2] = (signed short) MSG_ReadShort();
- }
- else
- {
- if (bits & E_FLAGS)
- e->flags = MSG_ReadByte();
- if (e->flags & RENDER_LOWPRECISION || dpprotocol == DPPROTOCOL_VERSION2)
- {
- if (bits & E_ORIGIN1)
- e->origin[0] = (signed short) MSG_ReadShort();
- if (bits & E_ORIGIN2)
- e->origin[1] = (signed short) MSG_ReadShort();
- if (bits & E_ORIGIN3)
- e->origin[2] = (signed short) MSG_ReadShort();
- }
- else
- {
- if (bits & E_ORIGIN1)
- e->origin[0] = MSG_ReadFloat();
- if (bits & E_ORIGIN2)
- e->origin[1] = MSG_ReadFloat();
- if (bits & E_ORIGIN3)
- e->origin[2] = MSG_ReadFloat();
- }
- }
- if (bits & E_ANGLE1)
- e->angles[0] = MSG_ReadAngle();
- if (bits & E_ANGLE2)
- e->angles[1] = MSG_ReadAngle();
- if (bits & E_ANGLE3)
- e->angles[2] = MSG_ReadAngle();
- 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 (dpprotocol == DPPROTOCOL_VERSION2)
- if (bits & E_FLAGS)
- e->flags = MSG_ReadByte();
- if (bits & E_TAGATTACHMENT)
- {
- e->tagentity = MSG_ReadShort();
- e->tagindex = MSG_ReadByte();
- }
-}
-
-// (server) clears the database to contain no frames (thus delta compression compresses against nothing)
-void EntityFrame_ClearDatabase(entity_database_t *d)
-{
- memset(d, 0, sizeof(*d));
-}
+// LadyHavoc: I own protocol ranges 96, 97, 3500-3599
+
+struct protocolversioninfo_s
+{
+ int number;
+ protocolversion_t version;
+ const char *name;
+}
+protocolversioninfo[] =
+{
+ { 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}
+};
-// (server and client) removes frames older than 'frame' from database
-void EntityFrame_AckFrame(entity_database_t *d, int frame)
+protocolversion_t Protocol_EnumForName(const char *s)
{
int i;
- if (d->ackframe < frame)
- d->ackframe = 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) adds an entity to frame
-void EntityFrame_AddEntity(entity_frame_t *f, entity_state_t *s)
-{
- if (f->numentities < MAX_ENTITY_DATABASE)
- {
- f->entitydata[f->numentities] = *s;
- f->entitydata[f->numentities++].active = true;
- }
-}
-
-// (server and client) reads a frame from the database
-void EntityFrame_FetchFrame(entity_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(entity_database_t *d, entity_frame_t *f)
-{
- int n, e;
- entity_frameinfo_t *info;
-
- VectorCopy(f->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 + f->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 = f->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 == f->framenum)
- Con_Printf("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
- else
- Con_Printf("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 + f->numentities;
- d->numframes++;
-
- n = info->firstentity % MAX_ENTITY_DATABASE;
- e = MAX_ENTITY_DATABASE - n;
- if (e > f->numentities)
- e = f->numentities;
- memcpy(d->entitydata + n, f->entitydata, sizeof(entity_state_t) * e);
- if (f->numentities > e)
- memcpy(d->entitydata, f->entitydata + e, sizeof(entity_state_t) * (f->numentities - e));
+ for (i = 0;protocolversioninfo[i].name;i++)
+ if (!strcasecmp(s, protocolversioninfo[i].name))
+ return protocolversioninfo[i].version;
+ return PROTOCOL_UNKNOWN;
}
-// (server) writes a frame to network stream
-static entity_frame_t deltaframe; // FIXME?
-void EntityFrame_Write(entity_database_t *d, entity_frame_t *f, sizebuf_t *msg)
+const char *Protocol_NameForEnum(protocolversion_t p)
{
- int i, onum, number;
- entity_frame_t *o = &deltaframe;
- entity_state_t *ent, *delta;
-
- EntityFrame_AddFrame(d, f);
-
- EntityFrame_FetchFrame(d, d->ackframe > 0 ? d->ackframe : -1, o);
- MSG_WriteByte (msg, svc_entities);
- MSG_WriteLong (msg, o->framenum);
- MSG_WriteLong (msg, f->framenum);
- MSG_WriteFloat (msg, f->eye[0]);
- MSG_WriteFloat (msg, f->eye[1]);
- MSG_WriteFloat (msg, f->eye[2]);
-
- onum = 0;
- for (i = 0;i < f->numentities;i++)
- {
- ent = f->entitydata + i;
- number = ent->number;
- 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_Write(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_Read(entity_database_t *d)
-{
- int number, removed;
- entity_frame_t *f = &framedata, *delta = &deltaframe;
- entity_state_t *e, *old, *oldend;
-
- EntityFrame_Clear(f, NULL, -1);
-
- // read the frame header info
- f->time = cl.mtime[0];
- number = MSG_ReadLong();
- 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)
- {
- if (msg_badread)
- Host_Error("EntityFrame_Read: read error\n");
- removed = number & 0x8000;
- number &= 0x7FFF;
- if (number >= MAX_EDICTS)
- Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)\n", 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\n");
- memcpy(f->entitydata + f->numentities, old, sizeof(entity_state_t));
- f->entitydata[f->numentities].time = cl.mtime[0];
- old++;
- f->numentities++;
- }
- 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\n");
-
- // 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;
- }
-
- EntityState_ReadUpdate(e, number);
- }
- }
- while (old < oldend)
- {
- if (f->numentities >= MAX_ENTITY_DATABASE)
- Host_Error("EntityFrame_Read: entity list too big\n");
- f->entitydata[f->numentities] = *old++;
- f->entitydata[f->numentities++].time = cl.mtime[0];
- }
- EntityFrame_AddFrame(d, f);
-}
-
-
-// (client) returns the frame number of the most recent frame recieved
-int EntityFrame_MostRecentlyRecievedFrameNum(entity_database_t *d)
-{
- if (d->numframes)
- return d->frames[d->numframes - 1].framenum;
- else
- return -1;
+ int i;
+ for (i = 0;protocolversioninfo[i].name;i++)
+ if (protocolversioninfo[i].version == p)
+ return protocolversioninfo[i].name;
+ return "UNKNOWN";
}
-
-
-
-
-
-int EntityFrame4_SV_ChooseCommitToReplace(entity_database4_t *d)
+protocolversion_t Protocol_EnumForNumber(int n)
{
- int i, best, bestframenum;
- best = 0;
- bestframenum = d->commit[0].framenum;
- for (i = 0;i < MAX_ENTITY_HISTORY;i++)
- {
- if (!d->commit[i].numentities)
- return i;
- if (bestframenum > d->commit[i].framenum)
- {
- bestframenum = d->commit[i].framenum;
- best = i;
- }
- }
- return best;
+ int i;
+ for (i = 0;protocolversioninfo[i].name;i++)
+ if (protocolversioninfo[i].number == n)
+ return protocolversioninfo[i].version;
+ return PROTOCOL_UNKNOWN;
}
-entity_state_t *EntityFrame4_GetReferenceEntity(entity_database4_t *d, int number)
+int Protocol_NumberForEnum(protocolversion_t p)
{
- if (d->maxreferenceentities <= number)
- {
- int oldmax = d->maxreferenceentities;
- entity_state_t *oldentity = d->referenceentity;
- d->maxreferenceentities = (number + 15) & ~7;
- d->referenceentity = 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;
- }
- return d->referenceentity + number;
+ int i;
+ for (i = 0;protocolversioninfo[i].name;i++)
+ if (protocolversioninfo[i].version == p)
+ return protocolversioninfo[i].number;
+ return 0;
}
-void EntityFrame4_AddCommitEntity(entity_database4_t *d, entity_state_t *s)
+void Protocol_Names(char *buffer, size_t buffersize)
{
- // resize commit's entity list if full
- if (d->currentcommit->maxentities <= d->currentcommit->numentities)
+ int i;
+ if (buffersize < 1)
+ return;
+ buffer[0] = 0;
+ for (i = 0;protocolversioninfo[i].name;i++)
{
- entity_state_t *oldentity = d->currentcommit->entity;
- d->currentcommit->maxentities += 8;
- d->currentcommit->entity = 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);
- }
+ if (i > 1)
+ strlcat(buffer, " ", buffersize);
+ strlcat(buffer, protocolversioninfo[i].name, buffersize);
}
- d->currentcommit->entity[d->currentcommit->numentities++] = *s;
-}
-
-entity_database4_t *EntityFrame4_AllocDatabase(mempool_t *pool)
-{
- entity_database4_t *d;
- d = Mem_Alloc(pool, sizeof(*d));
- d->mempool = pool;
- EntityFrame4_ResetDatabase(d);
- return d;
-}
-
-void EntityFrame4_FreeDatabase(entity_database4_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(entity_database4_t *d)
+void Protocol_UpdateClientStats(const int *stats)
{
int i;
- d->referenceframenum = -1;
- d->ackframenum = -1;
- for (i = 0;i < MAX_ENTITY_HISTORY;i++)
- d->commit[i].numentities = 0;
-}
-
-void EntityFrame4_AckFrame(entity_database4_t *d, int framenum)
-{
- int i, foundit = false;
- entity_state_t *s;
- entity_database4_commit_t *commit;
- // check if client is requesting no delta compression
- if (framenum == -1)
- {
- EntityFrame4_ResetDatabase(d);
- return;
- }
- for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ // update the stats array and set deltabits for any changed stats
+ for (i = 0;i < MAX_CL_STATS;i++)
{
- if (d->commit[i].numentities && d->commit[i].framenum <= framenum)
+ if (host_client->stats[i] != stats[i])
{
- if (d->commit[i].framenum == framenum)
- {
- // apply commit to database
- commit = d->commit + i;
- d->referenceframenum = commit->framenum;
- while (commit->numentities--)
- {
- s = commit->entity + commit->numentities;
- *EntityFrame4_GetReferenceEntity(d, s->number) = *s;
- }
- foundit = true;
- }
- d->commit[i].numentities = 0;
- d->commit[i].framenum = -1;
+ host_client->statsdeltabits[i >> 3] |= 1 << (i & 7);
+ host_client->stats[i] = stats[i];
}
}
- if (!foundit)
- Con_DPrintf("EntityFrame4_AckFrame: frame %i not found in database, expect glitches!\n", framenum);
-}
-
-void EntityFrame4_SV_WriteFrame_Begin(entity_database4_t *d, sizebuf_t *msg, int framenum)
-{
- d->currentcommit = d->commit + EntityFrame4_SV_ChooseCommitToReplace(d);
- d->currentcommit->numentities = 0;
- d->currentcommit->framenum = framenum;
- MSG_WriteByte(msg, svc_entities);
- MSG_WriteLong(msg, d->referenceframenum);
- MSG_WriteLong(msg, d->currentcommit->framenum);
}
-int EntityFrame4_SV_WriteFrame_Entity(entity_database4_t *d, sizebuf_t *msg, int maxbytes, entity_state_t *s)
+// 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[] =
{
- qbyte data[128];
- sizebuf_t buf;
- entity_state_t *e;
- // prepare the buffer
- memset(&buf, 0, sizeof(buf));
- buf.data = data;
- buf.maxsize = sizeof(data);
- // make the message
- e = EntityFrame4_GetReferenceEntity(d, s->number);
- // send an update (may update or remove the entity)
- EntityState_Write(s, &buf, e);
- // if the message is empty, skip out now
- if (!buf.cursize)
- return true;
- // if the commit is full, we're done
- if (msg->cursize + buf.cursize + 2 >= min(msg->maxsize, maxbytes))
- return false;
- // add the entity to the commit
- EntityFrame4_AddCommitEntity(d, s);
- // write the message to the packet
- SZ_Write(msg, buf.data, buf.cursize);
- // carry on
- return true;
-}
-
-void EntityFrame4_SV_WriteFrame_End(entity_database4_t *d, sizebuf_t *msg)
-{
- // remove world message (invalid, and thus a good terminator)
- MSG_WriteShort(msg, 0x8000);
- // just to be sure
- d->currentcommit = NULL;
-}
+// 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,
+};
-extern void CL_MoveLerpEntityStates(entity_t *ent);
-void EntityFrame4_CL_ReadFrame(entity_database4_t *d)
+void Protocol_WriteStatsReliable(void)
{
- int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber;
- entity_state_t *e;
- // read the number of the frame this refers to
- referenceframenum = MSG_ReadLong();
- // read the number of this frame
- framenum = MSG_ReadLong();
- // read the start number
- enumber = MSG_ReadShort();
- EntityFrame4_AckFrame(d, referenceframenum);
- for (i = 0;i < MAX_ENTITY_HISTORY;i++)
- if (!d->commit[i].numentities)
- break;
- if (i < MAX_ENTITY_HISTORY)
- {
- d->currentcommit = d->commit + i;
- d->ackframenum = d->currentcommit->framenum = framenum;
- d->currentcommit->numentities = 0;
- }
- else
- {
- Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, resetting, expect glitches!!\n", framenum);
- d->currentcommit = NULL;
- EntityFrame4_ResetDatabase(d);
- }
- done = false;
- while (!done && !msg_badread)
- {
- 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
- 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;
- // 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++)
- {
- e = EntityFrame4_GetReferenceEntity(d, enumber);
- cl_entities[enumber].state_previous = cl_entities[enumber].state_current;
- // skipped (unchanged), copy from reference database
- cl_entities[enumber].state_current = *e;
- if (enumber == cnumber)
+ int i, j;
+ if (!host_client->netconnection)
+ return;
+ // detect changes in stats and write reliable messages
+ // this only deals with 32 stats because the older protocols which use
+ // this function can only cope with 32 stats,
+ // they also do not support svc_updatestatubyte which was introduced in
+ // DP6 protocol (except for QW)
+ for (j = 0;sendquakestats[j] >= 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)
{
- // modified
- if (n & 0x8000)
+ if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
{
- // simply removed
- cl_entities[enumber].state_current = defaultstate;
+ 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]);
}
else
{
- // read the changes
- EntityState_ReadUpdate(&cl_entities[enumber].state_current, enumber);
+ 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]);
}
}
- cl_entities[enumber].state_current.number = enumber;
- if (cl_entities[enumber].state_current.active != cl_entities[enumber].state_previous.active)
+ else
{
- if (cl_entities[enumber].state_current.active)
- Con_Printf("entity #%i has become active\n");
- else if (cl_entities[enumber].state_current.active)
- Con_Printf("entity #%i has become inactive\n");
+ // 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]);
}
- CL_MoveLerpEntityStates(&cl_entities[enumber]);
- cl_entities_active[enumber] = true;
- if (d->currentcommit)
- EntityFrame4_AddCommitEntity(d, &cl_entities[enumber].state_current);
}
}
- d->currentcommit = NULL;
}
-
-
projects / xonotic / darkplaces.git / blobdiff