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 parsePacketEntities(Q3HuffmanReader decoder, CLSnapshot oldframe, CLSnapshot newframe)
{
newframe.parseEntitiesNum = client.parseEntitiesNum;
newframe.numEntities = 0;
int newnum = 0;
int oldindex = 0;
int oldnum = 0;
EntityState oldstate = null;
if (oldframe == null)
{
oldnum = 99999;
}
else
{
if (oldindex >= oldframe.numEntities)
{
oldnum = 99999;
}
else
{
oldstate = Ext2 <int, EntityState> .GetOrCreate(client.parseEntities, (oldframe.parseEntitiesNum + oldindex)& (Q3Const.MAX_PARSE_ENTITIES - 1));
oldnum = oldstate.number;
}
}
while (true)
{
newnum = (int)decoder.readNumBits(Q3Const.GENTITYNUM_BITS);
if (newnum == (Q3Const.MAX_GENTITIES - 1))
{
break;
}
if (decoder.isEOD())
{
Q3Utils.PrintDebug(clc.errors, "ERR_DROP, CL_ParsePacketEntities: end of message");
return;
}
while (oldnum < newnum)
{
// one or more entities from the old packet are unchanged
CL_DeltaEntity(decoder, newframe, oldnum, oldstate, true);
oldindex++;
if (oldindex >= oldframe.numEntities)
{
oldnum = 99999;
}
else
{
oldstate = Ext2 <int, EntityState> .GetOrCreate(client.parseEntities,
(oldframe.parseEntitiesNum + oldindex)& (Q3Const.MAX_PARSE_ENTITIES - 1));
oldnum = oldstate.number;
}
}
if (oldnum == newnum)
{
// delta from previous state
CL_DeltaEntity(decoder, newframe, newnum, oldstate, false);
oldindex++;
if (oldindex >= oldframe.numEntities)
{
oldnum = 99999;
}
else
{
oldstate = Ext2 <int, EntityState> .GetOrCreate(client.parseEntities,
(oldframe.parseEntitiesNum + oldindex)& (Q3Const.MAX_PARSE_ENTITIES - 1));
oldnum = oldstate.number;
}
continue;
}
if (oldnum > newnum)
{
// delta from baseline
EntityState es = Ext2 <int, EntityState> .GetOrCreate(client.entityBaselines, newnum);
CL_DeltaEntity(decoder, newframe, newnum, es, false);
continue;
}
}
// any remaining entities in the old frame are copied over
while (oldnum != 99999)
{
// one or more entities from the old packet are unchanged
CL_DeltaEntity(decoder, newframe, oldnum, oldstate, true);
oldindex++;
if (oldindex >= oldframe.numEntities)
{
oldnum = 99999;
}
else
{
oldstate = Ext2 <int, EntityState> .GetOrCreate(client.parseEntities,
(oldframe.parseEntitiesNum + oldindex)& (Q3Const.MAX_PARSE_ENTITIES - 1));
oldnum = oldstate.number;
}
}
}