public static List <IGameEvent> Parse(Replay replay, byte[] buffer)
{
// The GameEvent file changes significantly after 16561.
// This is sometime around the first patch after release. Since
// parsing replays this old should be extremely rare, I don't believe
// its worth the effort to try to support both. If it is, it should be
// done in another method.
//
// Still a bitstream, but stuff's moved around and event codes are different.
if (replay.ReplayBuild < 16561)
{
throw new NotSupportedException(
"Replay builds under 16561 are not supported for parsing GameEvent log.");
}
// Initialize Ability and Unit data.
var effectiveBuild = BuildData.GetInstance().GetEffectiveBuild(replay.ReplayBuild);
if (effectiveBuild == 0)
{
throw new NotSupportedException(
String.Format("Replay build {0} is not supported by the current event database", replay.ReplayBuild));
}
var abilityData = new AbilityData(effectiveBuild);
var unitData = new UnitData(effectiveBuild);
var events = new List <IGameEvent>();
// Keep a reference to know the game length.
var ticksElapsed = 0;
using (var stream = new MemoryStream(buffer))
{
var bitReader = new BitReader(stream);
var playersGone = new bool[0x10];
while (!bitReader.EndOfStream)
{
var intervalLength = 6 + (bitReader.Read(2) << 3);
var interval = bitReader.Read(intervalLength);
ticksElapsed += (int)interval;
var playerIndex = (int)bitReader.Read(5);
Player player;
if (playerIndex < 0x10)
{
player = replay.GetPlayerById(playerIndex);
}
else
{
player = Player.Global;
}
var eventType = bitReader.Read(7);
IGameEvent gameEvent;
switch (eventType)
{
case 0x05: // Game start
gameEvent = new GameStartEvent();
break;
case 0x0b:
case 0x0c: // Join game
gameEvent = new PlayerJoinEvent(bitReader, replay, playerIndex);
break;
case 0x19: // Leave game
gameEvent = new PlayerLeftEvent(player);
playersGone[playerIndex] = true;
DetectWinners(playersGone, replay);
break;
case 0x1b: // Ability
gameEvent = new AbilityEvent(bitReader, replay, player, abilityData, unitData);
break;
case 0x1c: // Selection
gameEvent = new SelectionEvent(bitReader, replay, player, unitData);
break;
case 0x1d: // Control groups
gameEvent = new HotkeyEvent(bitReader, replay, player);
break;
case 0x1f: // Send resources
gameEvent = new SendResourcesEvent(bitReader, replay);
break;
case 0x23: // ??
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
bitReader.Read(8);
break;
case 0x26: // ??
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
bitReader.Read(32);
bitReader.Read(32);
break;
case 0x27: // Target critter - special
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Selection;
var unitId = bitReader.Read(32);
break;
case 0x31: // Camera
gameEvent = new CameraEvent(bitReader, replay);
break;
case 0x37: // UI Event
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Other;
bitReader.Read(32);
bitReader.Read(32);
break;
case 0x38: // weird sync event
{
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Other;
for (var j = 0; j < 2; j++)
{
var length = bitReader.Read(8);
for (var i = 0; i < length; i++)
{
bitReader.Read(32);
}
}
break;
}
case 0x3c: // ???
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
bitReader.Read(16);
break;
case 0x46: // Request resources
gameEvent = new RequestResourcesEvent(bitReader, replay);
break;
case 0x47: // ?? -- associated with send minerals
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
bitReader.Read(32);
break;
case 0x48: // ?? -- sync event
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
bitReader.Read(32);
break;
case 0x4C: // ?? -- seen with spectator
bitReader.Read(4);
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
break;
case 0x59: // ?? -- sync flags maybe?
bitReader.Read(32);
gameEvent = new GameEventBase();
gameEvent.EventType = GameEventType.Inactive;
break;
default: // debug
throw new InvalidOperationException(String.Format(
"Unknown event type {0:x} at {1:x} in replay.game.events",
eventType, bitReader.Cursor));
}
gameEvent.Player = player;
gameEvent.Time = Timestamp.Create(ticksElapsed);
events.Add(gameEvent);
bitReader.AlignToByte();
}
}
replay.GameLength = Timestamp.Create(ticksElapsed).TimeSpan;
return(events);
}