private void CalculateAnimations()
{
CalculateDefaultPose();
var expectedAnchorCount = _epicModel.GetAnchors().Count();
foreach (var animation in _epicModel.Animations)
{
if (!animation.HasInitialFrame())
{
throw new Exception("Animation must have frame at t=0");
}
var duration = animation.Duration;
var frameCount = (int) (EpicModelFrameRate * duration);
Logger.Write(string.Format(
"Compiling animation `{0}` - Duration: {1:0.00} Frames: {2}",
animation.AnimationType, duration, frameCount));
var compiledAnimation = new CompiledModel.Animation(frameCount, duration);
var frameTime = 0.0f;
while (frameTime < duration)
{
animation.ApplyAtTime(frameTime);
var frame = new CompiledModel.Frame(_modelPartsInMaterialOrder.Count);
// Calculate model part states
foreach (var modelPart in _modelPartsInMaterialOrder)
{
if (!animation.Ignores(modelPart))
{
var modelPartState = new CompiledModel.ModelPartState(
modelPart.GetAbsolutePosition(), modelPart.GetAbsoluteRotation());
frame.ModelPartStates.Add(modelPartState);
}
else
{
frame.ModelPartStates.Add(null);
}
}
// Calculate anchor states
foreach (var modelPart in _epicModel.ModelParts)
{
if (!animation.Ignores(modelPart))
{
foreach (var anchor in modelPart.Anchors)
{
var anchorState = new CompiledModel.AnchorState(
anchor.GetAbsolutePosition(), anchor.GetAbsoluteRotation());
frame.AnchorStates.Add(anchorState);
}
}
else
{
foreach (var anchor in modelPart.Anchors)
{
frame.AnchorStates.Add(null);
}
}
}
Debug.Assert(frame.AnchorStates.Count == expectedAnchorCount,
"Compiled animation frame has incorrect number of anchors");
compiledAnimation.Frames.Add(frame);
frameTime += 1.0f / EpicModelFrameRate;
}
_compiledModel.Animations[animation.AnimationType] = compiledAnimation;
}
}
private void CalculateDefaultPose()
{
var defaultPoseAnimation = new CompiledModel.Animation(1, 0);
var frame = new CompiledModel.Frame(_modelPartsInMaterialOrder.Count);
foreach (var modelPart in _modelPartsInMaterialOrder)
{
frame.ModelPartStates.Add(new CompiledModel.ModelPartState(modelPart.GetAbsolutePosition(), modelPart.GetAbsoluteRotation()));
foreach (var anchor in modelPart.Anchors)
{
frame.AnchorStates.Add(new CompiledModel.AnchorState(anchor.GetAbsolutePosition(), anchor.GetAbsoluteRotation()));
}
}
defaultPoseAnimation.Frames.Add(frame);
_compiledModel.Animations[AnimationType.None] = defaultPoseAnimation;
}