// Internal creation
internal BonePose(ModelBone bone,
ModelBoneCollection bones,
BonePose[] anims)
{
// Set the values according to the bone
index = bone.Index;
name = bone.Name;
defaultMatrix = bone.Transform;
if (bone.Parent != null)
{
parent = anims[bone.Parent.Index];
}
anims[index] = this;
// Recurse on children
List <BonePose> childList = new List <BonePose>();
foreach (ModelBone child in bone.Children)
{
BonePose newChild = new BonePose(
bones[child.Index],
bones,
anims);
childList.Add(newChild);
}
children = new BonePoseCollection(childList);
}
/// <summary>
/// Creates a new instance of ModelAnimator.
/// </summary>
/// <param name="game">The game to which this component will belong.</param>
/// <param name="model">The model to be animated.</param>
public ModelAnimator(Game game, Model model)
: base(game)
{
this.model = model;
animations = AnimationInfoCollection.FromModel(model);
bonePoses = BonePoseCollection.FromModelBoneCollection(
model.Bones);
numMeshes = model.Meshes.Count;
// Find total number of effects used by the model
numEffects = 0;
foreach (ModelMesh mesh in model.Meshes)
{
foreach (Effect effect in mesh.Effects)
{
numEffects++;
}
}
// Initialize the arrays that store effect parameters
modelEffects = new Effect[numEffects];
worldParams = new EffectParameter[numEffects];
matrixPaletteParams = new EffectParameter[numEffects];
InitializeEffectParams();
pose = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(pose);
// Get all the skinning info for the model
Dictionary <string, object> modelTagInfo = (Dictionary <string, object>)model.Tag;
if (modelTagInfo == null)
{
throw new Exception("Model Processor must subclass AnimatedModelProcessor.");
}
skinInfo = (SkinInfoCollection[])modelTagInfo["SkinInfo"];
if (skinInfo == null)
{
throw new Exception("Model processor must pass skinning info through the tag.");
}
palette = new Matrix[model.Meshes.Count][];
for (int i = 0; i < skinInfo.Length; i++)
{
if (Util.IsSkinned(model.Meshes[i]))
{
palette[i] = new Matrix[skinInfo[i].Count];
}
else
{
palette[i] = null;
}
}
// Update after AnimationController by default
base.UpdateOrder = 1;
game.Components.Add(this);
// Test to see if model has too many bones
for (int i = 0; i < model.Meshes.Count; i++)
{
if (palette[i] != null && matrixPaletteParams[i] != null)
{
Matrix[] meshPalette = palette[i];
try
{
matrixPaletteParams[i].SetValue(meshPalette);
}
catch
{
throw new Exception("Model has too many skinned bones for the matrix palette.");
}
}
}
}
