/**
* Commands are packed into CmdType + Params, but these are just
* translated straight back into normal TRAnimCommands.
*/
private void UnpackAnimCommands(PackedAnimation packedAnimation)
{
if (packedAnimation.Commands.Count == 0)
{
return;
}
List <TRAnimCommand> levelAnimCommands = Level.AnimCommands.ToList();
packedAnimation.Animation.AnimCommand = (ushort)levelAnimCommands.Count;
foreach (PackedAnimationCommand cmd in packedAnimation.Commands.Values)
{
levelAnimCommands.Add(new TRAnimCommand {
Value = (short)cmd.Command
});
foreach (short param in cmd.Params)
{
levelAnimCommands.Add(new TRAnimCommand {
Value = param
});
}
}
// Save back to the level
Level.AnimCommands = levelAnimCommands.ToArray();
Level.NumAnimCommands = (uint)levelAnimCommands.Count;
}
private void PackAnimSounds(PackedAnimation packedAnimation)
{
foreach (PackedAnimationCommand cmd in packedAnimation.Commands.Values)
{
if (cmd.Command == TR2AnimCommand.PlaySound)
{
int soundMapIndex = cmd.Params[1] & 0x3fff;
short soundDetailsIndex = Level.SoundMap[soundMapIndex];
packedAnimation.Sound.SoundMapIndices[soundMapIndex] = soundDetailsIndex;
if (soundDetailsIndex != -1)
{
TRSoundDetails soundDetails = Level.SoundDetails[soundDetailsIndex];
packedAnimation.Sound.SoundDetails[soundDetailsIndex] = soundDetails;
uint[] sampleIndices = new uint[soundDetails.NumSounds];
for (int i = 0; i < soundDetails.NumSounds; i++)
{
sampleIndices[i] = Level.SampleIndices[(ushort)(soundDetails.Sample + i)];
}
packedAnimation.Sound.SampleIndices[soundDetails.Sample] = sampleIndices;
}
}
}
}
private int UnpackAnimation(PackedAnimation animation)
{
List <TRAnimation> levelAnimations = Level.Animations.ToList();
levelAnimations.Add(animation.Animation);
Level.Animations = levelAnimations.ToArray();
Level.NumAnimations++;
return(levelAnimations.Count - 1);
}
public override void Import()
{
Dictionary <int, PackedAnimation> animations = Definition.Animations;
bool firstAnimationConfigured = false;
Dictionary <int, int> indexMap = new Dictionary <int, int>();
foreach (int oldAnimationIndex in animations.Keys)
{
PackedAnimation packedAnimation = animations[oldAnimationIndex];
UnpackStateChanges(packedAnimation);
UnpackAnimSounds(packedAnimation);
UnpackAnimCommands(packedAnimation);
int newAnimationIndex = UnpackAnimation(packedAnimation);
indexMap[oldAnimationIndex] = newAnimationIndex;
if (!firstAnimationConfigured)
{
Definition.Model.Animation = (ushort)newAnimationIndex;
firstAnimationConfigured = true;
}
}
// Re-map the NextAnimations of each of the animation and dispatches
// now we know the indices of each of the newly inserted animations.
//List<short> missingAnimations = new List<short>();
foreach (PackedAnimation packedAnimation in animations.Values)
{
packedAnimation.Animation.NextAnimation = (ushort)indexMap[packedAnimation.Animation.NextAnimation];
foreach (TRAnimDispatch dispatch in packedAnimation.AnimationDispatches.Values)
{
if (indexMap.ContainsKey(dispatch.NextAnimation))
{
dispatch.NextAnimation = (short)indexMap[dispatch.NextAnimation];
}
else
{
// I think this happens for such things as returning to a default stance e.g.
// after dismounting the Snowmobile, so it will be different in every level (e.g.
// Lara default animations).
}
}
}
// Inserting SampleIndices will break the game unless they are sorted numerically
// so handle this outwith the main animation insertion loop for ease.
ResortSoundIndices();
ImportAnimationFrames();
}
private void PackStateChanges(PackedAnimation packedAnimation, TRAnimation animation)
{
for (int stateChangeIndex = 0; stateChangeIndex < animation.NumStateChanges; stateChangeIndex++)
{
TRStateChange stateChange = Level.StateChanges[animation.StateChangeOffset + stateChangeIndex];
packedAnimation.StateChanges.Add(stateChange);
int dispatchOffset = stateChange.AnimDispatch;
for (int i = 0; i < stateChange.NumAnimDispatches; i++, dispatchOffset++)
{
if (!packedAnimation.AnimationDispatches.ContainsKey(dispatchOffset))
{
TRAnimDispatch dispatch = Level.AnimDispatches[dispatchOffset];
packedAnimation.AnimationDispatches[dispatchOffset] = dispatch;
}
}
}
}
private void UnpackStateChanges(PackedAnimation packedAnimation)
{
if (packedAnimation.Animation.NumStateChanges == 0)
{
if (packedAnimation.AnimationDispatches.Count != 0)
{
throw new Exception();
}
return;
}
// Import the AnimDispatches first, noting their new indices
List <TRAnimDispatch> animDispatches = Level.AnimDispatches.ToList();
Dictionary <int, int> indexMap = new Dictionary <int, int>();
foreach (int oldDispatchIndex in packedAnimation.AnimationDispatches.Keys)
{
TRAnimDispatch dispatch = packedAnimation.AnimationDispatches[oldDispatchIndex];
indexMap[oldDispatchIndex] = animDispatches.Count;
animDispatches.Add(dispatch);
// The dispatch's NextAnimation will need to be remapped, but this is handled in Import above
// once all animations are in place.
}
// The animation's StateChangeOffset will be the current length of level StateChanges
List <TRStateChange> stateChanges = Level.StateChanges.ToList();
packedAnimation.Animation.StateChangeOffset = (ushort)stateChanges.Count;
// Import Each state change, re-mapping AnimDispatch to new index
foreach (TRStateChange stateChange in packedAnimation.StateChanges)
{
stateChange.AnimDispatch = (ushort)indexMap[stateChange.AnimDispatch];
stateChanges.Add(stateChange);
}
// Save back to the level
Level.AnimDispatches = animDispatches.ToArray();
Level.NumAnimDispatches = (uint)animDispatches.Count;
Level.StateChanges = stateChanges.ToArray();
Level.NumStateChanges = (uint)stateChanges.Count;
}
/**
* SampleIndices has to remain in numerical order, but rather than dealing with it after inserting
* each new sample, ImportAnimations will handle reorganising the list and remapping SoundDetails
* as necessary.
*/
private void UnpackAnimSounds(PackedAnimation packedAnimation)
{
_soundUnpacker.Unpack(packedAnimation.Sound, Level, false);
IReadOnlyDictionary <int, int> soundIndexMap = _soundUnpacker.SoundIndexMap;
// Change the Params[1] value of each PlaySound AnimCommand to point to the
// new index in SoundMap.
foreach (PackedAnimationCommand cmd in packedAnimation.Commands.Values)
{
if (cmd.Command == TR2AnimCommand.PlaySound)
{
int oldSoundMapIndex = cmd.Params[1] & 0x3fff;
int newSoundMapIndex = soundIndexMap[oldSoundMapIndex];
int param = cmd.Params[1] & ~oldSoundMapIndex;
param |= newSoundMapIndex;
cmd.Params[1] = (short)param;
}
}
}
private void PackAnimCommands(PackedAnimation packedAnimation, TRAnimation animation)
{
int cmdOffset = animation.AnimCommand;
for (int i = 0; i < animation.NumAnimCommands; i++)
{
int cmdIndex = cmdOffset++;
TRAnimCommand cmd = Level.AnimCommands[cmdIndex];
int paramCount;
switch ((TR2AnimCommand)cmd.Value)
{
case TR2AnimCommand.SetPosition:
paramCount = 3;
break;
case TR2AnimCommand.JumpDistance:
case TR2AnimCommand.PlaySound:
case TR2AnimCommand.FlipEffect:
paramCount = 2;
break;
default:
paramCount = 0;
break;
}
short[] paramArr = new short[paramCount];
for (int j = 0; j < paramCount; j++)
{
paramArr[j] = Level.AnimCommands[cmdOffset++].Value;
}
packedAnimation.Commands[cmdIndex] = new PackedAnimationCommand
{
Command = (TR2AnimCommand)cmd.Value,
Params = paramArr
};
}
}
public override void Export()
{
Definition.Animations = new Dictionary <int, PackedAnimation>();
int endAnimation = GetModelAnimationCount(Level, Definition.Model) + Definition.Model.Animation;
for (int animationIndex = Definition.Model.Animation; animationIndex < endAnimation; animationIndex++)
{
TRAnimation animation = Level.Animations[animationIndex];
PackedAnimation packedAnimation = new PackedAnimation
{
Animation = animation,
};
Definition.Animations[animationIndex] = packedAnimation;
PackStateChanges(packedAnimation, animation);
PackAnimCommands(packedAnimation, animation);
PackAnimSounds(packedAnimation);
}
ExportAnimationFrames();
}