public AnimationItem Add(string animationBaseName, bool allowRandomAnimationNumber,
bool loop)
{
//remove from removedItemsForBlending
if (blendingTime != 0)
{
for (int n = 0; n < removedItemsForBlending.Count; n++)
{
AnimationItem removedItem = removedItemsForBlending[n];
if (removedItem.AnimationBaseName == animationBaseName)
{
removedItem.animationState.Enable = false;
removedItemsForBlending.RemoveAt(n);
n--;
continue;
}
}
}
string animationName = animationBaseName;
if (allowRandomAnimationNumber)
{
int number = GetRandomAnimationNumber(animationBaseName, true);
if (number != 1)
{
animationName += number.ToString();
}
}
MeshObject.AnimationState animationState = meshObject.GetAnimationState(animationName);
if (animationState == null)
{
return(null);
}
animationState.Loop = loop;
animationState.TimePosition = 0;
animationState.Enable = true;
AnimationItem item = new AnimationItem(this, animationBaseName,
allowRandomAnimationNumber, loop);
if (blendingTime != 0)
{
item.blendingWeightCoefficient = .001f;
}
else
{
item.blendingWeightCoefficient = 1;
}
item.animationState = animationState;
activeItems.Add(item);
UpdateAnimationStatesWeights();
return(item);
}
public void DoRenderFrame()
{
float delta = RendererWorld.Instance.FrameRenderTimeStep;
for (int n = 0; n < activeItems.Count; n++)
{
AnimationItem item = activeItems[n];
MeshObject.AnimationState animationState = item.animationState;
//time progress
animationState.AddTime(item.Velocity * delta);
//has ended?
if (!item.Loop)
{
if (animationState.TimePosition + blendingTime * 2 + .001f >=
item.animationState.Length)
{
Remove(item);
n--;
continue;
}
}
//change random animation
if (item.Loop && item.AllowRandomAnimationNumber)
{
//detect rewind
if (animationState.TimePosition < item.lastTimePosition)
{
string animationName = item.AnimationBaseName;
int number = GetRandomAnimationNumber(animationName, true);
if (number != 1)
{
animationName += number.ToString();
}
MeshObject.AnimationState newAnimationState =
meshObject.GetAnimationState(animationName);
if (newAnimationState == null)
{
Log.Fatal("MeshObjectAnimationController: DoRenderFrame: " +
"newAnimationState == null.");
}
animationState.Enable = false;
newAnimationState.Loop = animationState.Loop;
newAnimationState.TimePosition = animationState.TimePosition;
newAnimationState.Weight = animationState.Weight;
newAnimationState.Enable = true;
item.animationState = newAnimationState;
}
}
//update weight for blending
if (blendingTime != 0)
{
item.blendingWeightCoefficient += delta / blendingTime;
if (item.blendingWeightCoefficient > 1)
{
item.blendingWeightCoefficient = 1;
}
}
item.lastTimePosition = animationState.TimePosition;
}
for (int n = 0; n < removedItemsForBlending.Count; n++)
{
AnimationItem item = removedItemsForBlending[n];
item.blendingWeightCoefficient -= delta / blendingTime;
if (item.blendingWeightCoefficient <= 0)
{
item.animationState.Enable = false;
removedItemsForBlending.RemoveAt(n);
n--;
continue;
}
}
UpdateAnimationStatesWeights();
}
