private void parseGameState(Q3HuffmanReader reader)
{
reader.readLong();
while (true)
{
byte cmd = reader.readByte();
if (cmd == Q3_SVC.EOF)
{
break;
}
switch (cmd)
{
case Q3_SVC.CONFIGSTRING:
short key = reader.readShort();
if (key < 0 || key > Q3Const.MAX_CONFIGSTRINGS)
{
return;
}
clc.configs[key] = reader.readBigString();
break;
case Q3_SVC.BASELINE:
long newnum = reader.readNumBits(Q3Const.GENTITYNUM_BITS);
if (newnum < 0 || newnum >= Q3Const.MAX_GENTITIES)
{
Q3Utils.PrintDebug(clc.errors, "Baseline number out of range: {0}", newnum);
return;
}
EntityState es = Ext2 <long, EntityState> .GetOrCreate(clc.entityBaselines, newnum);
if (!reader.readDeltaEntity(es, (int)newnum))
{
Q3Utils.PrintDebug(clc.errors, "unable to parse delta-entity state");
return;
}
break;
default:
Q3Utils.PrintDebug(clc.errors, "bad command in parseGameState");
return;
}
}
//clc.clientNum
clc.clientNum = reader.readLong();
//clc.checksumFeed
clc.checksumFeed = reader.readLong();
}
public bool parse(Q3DemoMessage message)
{
clc.serverMessageSequence = message.sequence;
Q3HuffmanReader reader = new Q3HuffmanReader(message.data);
reader.readLong();
while (!reader.isEOD())
{
var b = reader.readByte();
switch (b)
{
case Q3_SVC.BAD:
case Q3_SVC.NOP:
return(true);
case Q3_SVC.EOF:
return(true);
case Q3_SVC.SERVERCOMMAND:
this.parseServerCommand(reader);
break;
case Q3_SVC.GAMESTATE:
this.parseGameState(reader);
break;
case Q3_SVC.SNAPSHOT:
this.parseSnapshot(reader);
// snapshots couldn't be mixed with game-state command in a single message
break;
default:
// unknown command / corrupted stream
return(true);
}
}
return(true);
}
private void parseSnapshot(Q3HuffmanReader decoder)
{
if (client.clientConfig == null)
{
client.clientConfig = new Dictionary <string, string>();
if (clc.configs.ContainsKey(Q3Const.Q3_DEMO_CFG_FIELD_GAME))
{
var gameConfig = Q3Utils.split_config(clc.configs[Q3Const.Q3_DEMO_CFG_FIELD_GAME]);
client.isCheatsOn = Ext.GetOrZero(gameConfig, "sv_cheats") > 0;
}
if (clc.configs.ContainsKey(Q3Const.Q3_DEMO_CFG_FIELD_CLIENT))
{
client.clientConfig = Q3Utils.split_config(clc.configs[Q3Const.Q3_DEMO_CFG_FIELD_CLIENT]);
client.dfvers = Ext.GetOrZero(client.clientConfig, "defrag_vers");
client.mapname = Ext.GetOrNull(client.clientConfig, "mapname");
client.mapNameChecksum = getMapNameChecksum(client.mapname);
client.isOnline = Ext.GetOrZero(client.clientConfig, "defrag_gametype") > 4;
}
}
CLSnapshot newSnap = new CLSnapshot();
CLSnapshot old = null;
newSnap.serverCommandNum = clc.serverCommandSequence;
newSnap.serverTime = decoder.readLong();
newSnap.messageNum = clc.serverMessageSequence;
int deltaNum = decoder.readByte();
if (deltaNum == 0)
{
newSnap.deltaNum = -1;
}
else
{
newSnap.deltaNum = newSnap.messageNum - deltaNum;
}
newSnap.snapFlags = decoder.readByte();
// If the frame is delta compressed from data that we
// no longer have available, we must suck up the rest of
// the frame, but not use it, then ask for a non-compressed
// message
if (newSnap.deltaNum <= 0)
{
newSnap.valid = true; // uncompressed frame
old = null;
clc.demowaiting = false; // we can start recording now
}
else
{
old = Ext2 <int, CLSnapshot> .GetOrCreate(client.snapshots, newSnap.deltaNum& Q3Const.PACKET_MASK);
if (old == null || !old.valid)
{
// should never happen
Q3Utils.PrintDebug(clc.errors, "Delta from invalid frame (not supposed to happen!)");
}
else if (old.messageNum != newSnap.deltaNum)
{
// The frame that the server did the delta from
// is too old, so we can't reconstruct it properly.
Q3Utils.PrintDebug(clc.errors, "Delta frame too old.");
}
else if ((client.parseEntitiesNum - old.parseEntitiesNum) > (Q3Const.MAX_PARSE_ENTITIES - 128))
{
Q3Utils.PrintDebug(clc.errors, "Delta parseEntitiesNum too old");
}
else
{
newSnap.valid = true; // valid delta parse
}
}
int len = decoder.readByte();
if (len > newSnap.areamask.Length)
{
Q3Utils.PrintDebug(clc.errors, "CL_ParseSnapshot: Invalid size {0} for areamask", len);
return;
}
decoder.readData(newSnap.areamask, len);
if (old != null)
{
newSnap.ps.copy(old.ps);
}
decoder.readDeltaPlayerState(newSnap.ps);
parsePacketEntities(decoder, old, newSnap);
// if not valid, dump the entire thing now that it has
// been properly read
if (!newSnap.valid)
{
return;
}
// clear the valid flags of any snapshots between the last
// received and this one, so if there was a dropped packet
// it won't look like something valid to delta from next
// time we wrap around in the buffer
int oldMessageNum = client.snap.messageNum + 1;
if (newSnap.messageNum - oldMessageNum >= Q3Const.PACKET_BACKUP)
{
oldMessageNum = newSnap.messageNum - (Q3Const.PACKET_BACKUP - 1);
}
for (; oldMessageNum < newSnap.messageNum; oldMessageNum++)
{
CLSnapshot s;
if (client.snapshots.TryGetValue(oldMessageNum & Q3Const.PACKET_MASK, out s))
{
if (s != null)
{
s.valid = false;
}
}
}
// copy to the current good spot
client.snap = newSnap;
// skip ping calculations
client.snap.ping = 0;
// save the frame off in the backup array for later delta comparisons
client.snapshots[client.snap.messageNum & Q3Const.PACKET_MASK] = client.snap;
client.newSnapshots = true;
updateClientEvents(newSnap);
}
public static void updateEntityState(EntityState state, int number, Q3HuffmanReader reader, bool reset)
{
switch (number)
{
case 0: state.pos.trTime = reset ? 0 : reader.readLong(); break;
case 1: state.pos.trBase[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 2: state.pos.trBase[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 3: state.pos.trDelta[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 4: state.pos.trDelta[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 5: state.pos.trBase[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 6: state.apos.trBase[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 7: state.pos.trDelta[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 8: state.apos.trBase[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 9: state.events = reset ? 0 : (int)reader.readNumBits(10); break;
case 10: state.angles2[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 11: state.eType = reset ? 0 : (int)reader.readNumBits(8); break;
case 12: state.torsoAnim = reset ? 0 : (int)reader.readNumBits(8); break;
case 13: state.eventParm = reset ? 0 : (int)reader.readNumBits(8); break;
case 14: state.legsAnim = reset ? 0 : (int)reader.readNumBits(8); break;
case 15: state.groundEntityNum = reset ? 0 : (int)reader.readNumBits(10); break;
case 16: state.pos.trType = reset ? 0 : (TrType)reader.readByte(); break;
case 17: state.eFlags = reset ? 0 : (int)reader.readNumBits(19); break;
case 18: state.otherEntityNum = reset ? 0 : (int)reader.readNumBits(10); break;
case 19: state.weapon = reset ? 0 : (int)reader.readNumBits(8); break;
case 20: state.clientNum = reset ? 0 : (int)reader.readNumBits(8); break;
case 21: state.angles[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 22: state.pos.trDuration = reset ? 0 : reader.readLong(); break;
case 23: state.apos.trType = reset ? 0 : (TrType)reader.readByte(); break;
case 24: state.origin[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 25: state.origin[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 26: state.origin[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 27: state.solid = reset ? 0 : (int)reader.readNumBits(24); break;
case 28: state.powerups = reset ? 0 : (int)reader.readNumBits(16); break;
case 29: state.modelindex = reset ? 0 : (int)reader.readNumBits(8); break;
case 30: state.otherEntityNum2 = reset ? 0 : (int)reader.readNumBits(10); break;
case 31: state.loopSound = reset ? 0 : (int)reader.readNumBits(8); break;
case 32: state.generic1 = reset ? 0 : (int)reader.readNumBits(8); break;
case 33: state.origin2[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 34: state.origin2[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 35: state.origin2[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 36: state.modelindex2 = reset ? 0 : (int)reader.readNumBits(8); break;
case 37: state.angles[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 38: state.time = reset ? 0 : reader.readLong(); break;
case 39: state.apos.trTime = reset ? 0 : reader.readLong(); break;
case 40: state.apos.trDuration = reset ? 0 : reader.readLong(); break;
case 41: state.apos.trBase[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 42: state.apos.trDelta[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 43: state.apos.trDelta[1] = reset ? 0 : reader.readFloatIntegral(); break;
case 44: state.apos.trDelta[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 45: state.time2 = reset ? 0 : reader.readLong(); break;
case 46: state.angles[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 47: state.angles2[0] = reset ? 0 : reader.readFloatIntegral(); break;
case 48: state.angles2[2] = reset ? 0 : reader.readFloatIntegral(); break;
case 49: state.constantLight = reset ? 0 : reader.readLong(); break;
case 50: state.frame = reset ? 0 : (int)reader.readNumBits(16); break;
}
}