]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - protocol.c
qw support is 99% working
[xonotic/darkplaces.git] / protocol.c
index 27f4ad58a56cef5f6a4b86e8006c734f0dd59904..91e0b7cbc88cdc8b4a1fbbc70b2085ef09fd51a4 100644 (file)
@@ -56,6 +56,7 @@ protocolversioninfo[] =
        {15, "QUAKEDP"},
        {250, "NEHAHRAMOVIE"},
        {15, "QUAKE"},
+       {28, "QUAKEWORLD"},
        {0, NULL}
 };
 
@@ -113,7 +114,7 @@ void EntityFrameQuake_ReadEntity(int bits)
 
        if (bits & U_MOREBITS)
                bits |= (MSG_ReadByte()<<8);
-       if ((bits & U_EXTEND1) && cl.protocol != PROTOCOL_NEHAHRAMOVIE)
+       if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
        {
                bits |= MSG_ReadByte() << 16;
                if (bits & U_EXTEND2)
@@ -161,12 +162,12 @@ void EntityFrameQuake_ReadEntity(int bits)
        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(cl.protocol);
-       if (bits & U_ANGLE1)    s.angles[0] = MSG_ReadAngle(cl.protocol);
-       if (bits & U_ORIGIN2)   s.origin[1] = MSG_ReadCoord(cl.protocol);
-       if (bits & U_ANGLE2)    s.angles[1] = MSG_ReadAngle(cl.protocol);
-       if (bits & U_ORIGIN3)   s.origin[2] = MSG_ReadCoord(cl.protocol);
-       if (bits & U_ANGLE3)    s.angles[2] = MSG_ReadAngle(cl.protocol);
+       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();
@@ -181,7 +182,7 @@ void EntityFrameQuake_ReadEntity(int bits)
        if (bits & U_EXTERIORMODEL)     s.flags |= RENDER_EXTERIORMODEL;
 
        // LordHavoc: to allow playback of the Nehahra movie
-       if (cl.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
+       if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
        {
                // LordHavoc: evil format
                int i = MSG_ReadFloat();
@@ -490,7 +491,7 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_sta
                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_COLORMOD)          {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[1] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[2] * (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);
 
@@ -744,7 +745,7 @@ int EntityState_ReadExtendBits(void)
 
 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
 {
-       if (cl.protocol == PROTOCOL_DARKPLACES2)
+       if (cls.protocol == PROTOCOL_DARKPLACES2)
        {
                if (bits & E_ORIGIN1)
                        e->origin[0] = MSG_ReadCoord16i();
@@ -776,7 +777,7 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                                e->origin[2] = MSG_ReadCoord32f();
                }
        }
-       if ((cl.protocol == PROTOCOL_DARKPLACES5 || cl.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
+       if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
        {
                if (bits & E_ANGLE1)
                        e->angles[0] = MSG_ReadAngle16i();
@@ -818,7 +819,7 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                e->glowsize = MSG_ReadByte();
        if (bits & E_GLOWCOLOR)
                e->glowcolor = MSG_ReadByte();
-       if (cl.protocol == PROTOCOL_DARKPLACES2)
+       if (cls.protocol == PROTOCOL_DARKPLACES2)
                if (bits & E_FLAGS)
                        e->flags = MSG_ReadByte();
        if (bits & E_TAGATTACHMENT)
@@ -2045,7 +2046,7 @@ void EntityFrame5_CL_ReadFrame(void)
        cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
        if (developer_networkentities.integer)
                Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
-       if (cl.protocol != PROTOCOL_QUAKE && cl.protocol != PROTOCOL_QUAKEDP && cl.protocol != PROTOCOL_NEHAHRAMOVIE && cl.protocol != PROTOCOL_DARKPLACES1 && cl.protocol != PROTOCOL_DARKPLACES2 && cl.protocol != PROTOCOL_DARKPLACES3 && cl.protocol != PROTOCOL_DARKPLACES4 && cl.protocol != PROTOCOL_DARKPLACES5 && cl.protocol != PROTOCOL_DARKPLACES6)
+       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)
@@ -2338,3 +2339,389 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
        MSG_WriteShort(msg, 0x8000);
 }
 
+
+static int QW_TranslateEffects(int qweffects, int number)
+{
+       int effects = 0;
+       if (qweffects & QW_EF_BRIGHTFIELD)
+               effects |= EF_BRIGHTFIELD;
+       if (qweffects & QW_EF_MUZZLEFLASH)
+               effects |= EF_MUZZLEFLASH;
+       if (qweffects & QW_EF_FLAG1)
+       {
+               // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
+               if (number > cl.maxclients)
+                       effects |= EF_NODRAW;
+               else
+                       effects |= EF_FLAG1QW;
+       }
+       if (qweffects & QW_EF_FLAG2)
+       {
+               // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
+               if (number > cl.maxclients)
+                       effects |= EF_ADDITIVE;
+               else
+                       effects |= EF_FLAG2QW;
+       }
+       if (qweffects & QW_EF_RED)
+       {
+               if (qweffects & QW_EF_BLUE)
+                       effects |= EF_RED | EF_BLUE;
+               else
+                       effects |= EF_RED;
+       }
+       else if (qweffects & QW_EF_BLUE)
+               effects |= EF_BLUE;
+       else if (qweffects & QW_EF_BRIGHTLIGHT)
+               effects |= EF_BRIGHTLIGHT;
+       else if (qweffects & QW_EF_DIMLIGHT)
+               effects |= EF_DIMLIGHT;
+       return effects;
+}
+
+void EntityStateQW_ReadPlayerUpdate(void)
+{
+       int slot = MSG_ReadByte();
+       int enumber = slot + 1;
+       int weaponframe;
+       int msec;
+       int playerflags;
+       int bits;
+       entity_state_t *s;
+       // look up the entity
+       entity_t *ent = cl_entities + enumber;
+       vec3_t viewangles;
+       vec3_t velocity;
+
+       // slide the current state into the previous
+       ent->state_previous = ent->state_current;
+
+       // read the update
+       s = &ent->state_current;
+       *s = defaultstate;
+       s->active = true;
+       s->colormap = enumber;
+       playerflags = MSG_ReadShort();
+       MSG_ReadVector(s->origin, cls.protocol);
+       s->frame = MSG_ReadByte();
+
+       VectorClear(viewangles);
+       VectorClear(velocity);
+
+       if (playerflags & QW_PF_MSEC)
+       {
+               // time difference between last update this player sent to the server,
+               // and last input we sent to the server (this packet is in response to
+               // our input, so msec is how long ago the last update of this player
+               // entity occurred, compared to our input being received)
+               msec = MSG_ReadByte();
+       }
+       else
+               msec = 0;
+       if (playerflags & QW_PF_COMMAND)
+       {
+               bits = MSG_ReadByte();
+               if (bits & QW_CM_ANGLE1)
+                       viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
+               if (bits & QW_CM_ANGLE2)
+                       viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
+               if (bits & QW_CM_ANGLE3)
+                       viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
+               if (bits & QW_CM_FORWARD)
+                       MSG_ReadShort(); // cmd->forwardmove
+               if (bits & QW_CM_SIDE)
+                       MSG_ReadShort(); // cmd->sidemove
+               if (bits & QW_CM_UP)
+                       MSG_ReadShort(); // cmd->upmove
+               if (bits & QW_CM_BUTTONS)
+                       MSG_ReadByte(); // cmd->buttons
+               if (bits & QW_CM_IMPULSE)
+                       MSG_ReadByte(); // cmd->impulse
+               MSG_ReadByte(); // cmd->msec
+       }
+       if (playerflags & QW_PF_VELOCITY1)
+               velocity[0] = MSG_ReadShort();
+       if (playerflags & QW_PF_VELOCITY2)
+               velocity[1] = MSG_ReadShort();
+       if (playerflags & QW_PF_VELOCITY3)
+               velocity[2] = MSG_ReadShort();
+       if (playerflags & QW_PF_MODEL)
+               s->modelindex = MSG_ReadByte();
+       else
+               s->modelindex = cl.qw_modelindex_player;
+       if (playerflags & QW_PF_SKINNUM)
+               s->skin = MSG_ReadByte();
+       if (playerflags & QW_PF_EFFECTS)
+               s->effects = QW_TranslateEffects(MSG_ReadByte(), enumber);
+       if (playerflags & QW_PF_WEAPONFRAME)
+               weaponframe = MSG_ReadByte();
+       else
+               weaponframe = 0;
+
+       if (enumber == cl.playerentity)
+       {
+               // if this is an update on our player, update the angles
+               VectorCopy(cl.viewangles, viewangles);
+       }
+
+       // calculate the entity angles from the viewangles
+       s->angles[0] = viewangles[0] * -0.0333;
+       s->angles[1] = viewangles[1];
+       s->angles[2] = 0;
+       s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
+
+       // if this is an update on our player, update interpolation state
+       if (enumber == cl.playerentity)
+       {
+               VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
+               VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
+               VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
+               cl.mviewzoom[1] = cl.mviewzoom[0];
+
+               cl.idealpitch = 0;
+               cl.mpunchangle[0][0] = 0;
+               cl.mpunchangle[0][1] = 0;
+               cl.mpunchangle[0][2] = 0;
+               cl.mpunchvector[0][0] = 0;
+               cl.mpunchvector[0][1] = 0;
+               cl.mpunchvector[0][2] = 0;
+               cl.mvelocity[0][0] = 0;
+               cl.mvelocity[0][1] = 0;
+               cl.mvelocity[0][2] = 0;
+               cl.mviewzoom[0] = 1;
+
+               VectorCopy(velocity, cl.mvelocity[0]);
+               cl.stats[STAT_WEAPONFRAME] = weaponframe;
+               if (playerflags & QW_PF_GIB)
+                       cl.stats[STAT_VIEWHEIGHT] = 8;
+               else if (playerflags & QW_PF_DEAD)
+                       cl.stats[STAT_VIEWHEIGHT] = -16;
+               else
+                       cl.stats[STAT_VIEWHEIGHT] = 22;
+       }
+
+       // set the cl_entities_active flag
+       cl_entities_active[enumber] = s->active;
+       // set the update time
+       s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
+       // 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]);
+}
+
+static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
+{
+       int qweffects = 0;
+       s->active = true;
+       s->number = bits & 511;
+       bits &= ~511;
+       if (bits & QW_U_MOREBITS)
+               bits |= MSG_ReadByte();
+
+       // store the QW_U_SOLID bit here?
+
+       if (bits & QW_U_MODEL)
+               s->modelindex = MSG_ReadByte();
+       if (bits & QW_U_FRAME)
+               s->frame = MSG_ReadByte();
+       if (bits & QW_U_COLORMAP)
+               s->colormap = MSG_ReadByte();
+       if (bits & QW_U_SKIN)
+               s->skin = MSG_ReadByte();
+       if (bits & QW_U_EFFECTS)
+               s->effects = QW_TranslateEffects(qweffects = MSG_ReadByte(), s->number);
+       if (bits & QW_U_ORIGIN1)
+               s->origin[0] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE1)
+               s->angles[0] = MSG_ReadAngle8i();
+       if (bits & QW_U_ORIGIN2)
+               s->origin[1] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE2)
+               s->angles[1] = MSG_ReadAngle8i();
+       if (bits & QW_U_ORIGIN3)
+               s->origin[2] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE3)
+               s->angles[2] = MSG_ReadAngle8i();
+
+       if (developer_networkentities.integer >= 2)
+       {
+               Con_Printf("ReadFields e%i", s->number);
+               if (bits & QW_U_MODEL)
+                       Con_Printf(" U_MODEL %i", s->modelindex);
+               if (bits & QW_U_FRAME)
+                       Con_Printf(" U_FRAME %i", s->frame);
+               if (bits & QW_U_COLORMAP)
+                       Con_Printf(" U_COLORMAP %i", s->colormap);
+               if (bits & QW_U_SKIN)
+                       Con_Printf(" U_SKIN %i", s->skin);
+               if (bits & QW_U_EFFECTS)
+                       Con_Printf(" U_EFFECTS %i", qweffects);
+               if (bits & QW_U_ORIGIN1)
+                       Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
+               if (bits & QW_U_ANGLE1)
+                       Con_Printf(" U_ANGLE1 %f", s->angles[0]);
+               if (bits & QW_U_ORIGIN2)
+                       Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
+               if (bits & QW_U_ANGLE2)
+                       Con_Printf(" U_ANGLE2 %f", s->angles[1]);
+               if (bits & QW_U_ORIGIN3)
+                       Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
+               if (bits & QW_U_ANGLE3)
+                       Con_Printf(" U_ANGLE3 %f", s->angles[2]);
+               if (bits & QW_U_SOLID)
+                       Con_Printf(" U_SOLID");
+               Con_Print("\n");
+       }
+}
+
+entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
+{
+       entityframeqw_database_t *d;
+       d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
+       return d;
+}
+
+void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
+{
+       Mem_Free(d);
+}
+
+void EntityFrameQW_CL_ReadFrame(qboolean delta)
+{
+       qboolean invalid = false;
+       int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
+       entity_t *ent;
+       entityframeqw_database_t *d;
+       entityframeqw_snapshot_t *oldsnap, *newsnap;
+
+       if (!cl.entitydatabaseqw)
+               cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cl_mempool);
+       d = cl.entitydatabaseqw;
+
+       newsnapindex = cls.netcon->qw.incoming_sequence & QW_UPDATE_MASK;
+       newsnap = d->snapshot + newsnapindex;
+       memset(newsnap, 0, sizeof(*newsnap));
+       oldsnapindex = -1;
+       oldsnap = NULL;
+       if (delta)
+       {
+               number = MSG_ReadByte();
+               oldsnapindex = cl.qw_deltasequence[newsnapindex];
+               if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
+                       Con_DPrintf("WARNING: from mismatch\n");
+               if (oldsnapindex != -1)
+               {
+                       if (cls.netcon->qw.outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
+                       {
+                               Con_DPrintf("delta update too old\n");
+                               newsnap->invalid = invalid = true; // too old
+                               delta = false;
+                       }
+                       oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
+               }
+               else
+                       delta = false;
+       }
+
+       // read the number of this frame to echo back in next input packet
+       cl.qw_validsequence = cls.netcon->qw.incoming_sequence;
+       if (invalid)
+               cl.qw_validsequence = 0;
+
+       // read entity numbers until we find a 0x0000
+       // (which would be an empty update on world entity, but is actually a terminator)
+       newsnap->num_entities = 0;
+       oldindex = 0;
+       for (;;)
+       {
+               int word = (unsigned short)MSG_ReadShort();
+               if (msg_badread)
+                       return; // just return, the main parser will print an error
+               newnum = word == 0 ? 512 : (word & 511);
+               oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
+
+               // copy unmodified oldsnap entities
+               while (newnum > oldnum) // delta only
+               {
+                       if (developer_networkentities.integer >= 2)
+                               Con_Printf("copy %i\n", oldnum);
+                       // copy one of the old entities
+                       if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+                               Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+                       newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
+                       newsnap->num_entities++;
+                       oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
+               }
+
+               if (word == 0)
+                       break;
+
+               if (developer_networkentities.integer >= 2)
+               {
+                       if (word & QW_U_REMOVE)
+                               Con_Printf("remove %i\n", newnum);
+                       else if (newnum == oldnum)
+                               Con_Printf("delta %i\n", newnum);
+                       else
+                               Con_Printf("baseline %i\n", newnum);
+               }
+
+               if (word & QW_U_REMOVE)
+               {
+                       if (newnum != oldnum && !delta && !invalid)
+                       {
+                               cl.qw_validsequence = 0;
+                               Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
+                       }
+               }
+               else
+               {
+                       if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+                               Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+                       newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl_entities[newnum].state_baseline;
+                       EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
+                       newsnap->num_entities++;
+               }
+
+               if (newnum == oldnum)
+                       oldindex++;
+       }
+
+       // expand cl_num_entities to include every entity we've seen this game
+       newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
+       if (cl_num_entities <= newnum)
+       {
+               cl_num_entities = newnum + 1;
+               if (cl_max_entities < newnum + 1)
+                       CL_ExpandEntities(newnum);
+       }
+
+       // now update the non-player entities from the snapshot states
+       number = cl.maxclients + 1;
+       for (newindex = 0;;newindex++)
+       {
+               newnum = newindex >= newsnap->num_entities ? cl_num_entities : newsnap->entities[newindex].number;
+               // kill any missing entities
+               for (;number < newnum;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 = newsnap->entities[newindex];
+               ent->state_current.time = cl.mtime[0];
+               CL_MoveLerpEntityStates(ent);
+               // the entity lives again...
+               cl_entities_active[number] = true;
+               number++;
+       }
+}