/// <summary>
/// Prepara una nueva animacion para ser ejecutada
/// </summary>
protected void initAnimationSettings(string animationName, bool playLoop, float userFrameRate)
{
isAnimating = true;
currentAnimation = animations[animationName];
this.playLoop = playLoop;
currentTime = 0;
currentFrame = 0;
//Cambiar BoundingBox
boundingBox = currentAnimation.BoundingBox;
updateBoundingBox();
//Si el usuario no especifico un FrameRate, tomar el default de la animacion
if (userFrameRate == -1f)
{
frameRate = currentAnimation.FrameRate;
}
else
{
frameRate = userFrameRate;
}
//La duracion de la animacion.
animationTimeLenght = ((float)currentAnimation.FramesCount - 1) / frameRate;
//Configurar postura inicial de los huesos
for (var i = 0; i < bones.Length; i++)
{
var bone = bones[i];
if (!currentAnimation.hasFrames(i))
{
throw new Exception("El hueso " + bone.Name + " no posee KeyFrames");
}
//Determinar matriz local inicial
var firstFrame = currentAnimation.BoneFrames[i][0];
bone.MatLocal = TGCMatrix.RotationTGCQuaternion(firstFrame.Rotation) * TGCMatrix.Translation(firstFrame.Position);
//Multiplicar por matriz del padre, si tiene
if (bone.ParentBone != null)
{
bone.MatFinal = bone.MatLocal * bone.ParentBone.MatFinal;
}
else
{
bone.MatFinal = bone.MatLocal;
}
}
//Ajustar vertices a posicion inicial del esqueleto
updateMeshVertices();
}
/// <summary>
/// Cargar estructura de animacion
/// </summary>
private TgcSkeletalAnimation loadAnimation(TgcSkeletalMesh mesh, TgcSkeletalAnimationData animationData)
{
//Crear array para todos los huesos, tengan o no keyFrames
var boneFrames = new List <TgcSkeletalAnimationFrame> [mesh.Bones.Length];
//Cargar los frames para los huesos que si tienen
for (var i = 0; i < animationData.bonesFrames.Length; i++)
{
var boneData = animationData.bonesFrames[i];
//Crear frames
for (var j = 0; j < boneData.keyFrames.Length; j++)
{
var frameData = boneData.keyFrames[j];
var frame = new TgcSkeletalAnimationFrame(
frameData.frame,
new TGCVector3(frameData.position[0], frameData.position[1], frameData.position[2]),
new TGCQuaternion(frameData.rotation[0], frameData.rotation[1], frameData.rotation[2],
frameData.rotation[3])
);
//Agregar a lista de frames del hueso
if (boneFrames[boneData.id] == null)
{
boneFrames[boneData.id] = new List <TgcSkeletalAnimationFrame>();
}
boneFrames[boneData.id].Add(frame);
}
}
//BoundingBox de la animación, aprovechar lo que viene en el XML o utilizar el de la malla estática
TgcBoundingAxisAlignBox boundingBox = null;
if (animationData.pMin != null && animationData.pMax != null)
{
boundingBox = new TgcBoundingAxisAlignBox(
TGCVector3.Float3ArrayToVector3(animationData.pMin),
TGCVector3.Float3ArrayToVector3(animationData.pMax));
}
else
{
boundingBox = mesh.BoundingBox;
}
//Crear animacion
var animation = new TgcSkeletalAnimation(animationData.name, animationData.frameRate,
animationData.framesCount, boneFrames, boundingBox);
return(animation);
}
/// <summary>
/// Cargar datos iniciales
/// </summary>
protected void initData(Mesh mesh, string name, MeshRenderType renderType, TgcSkeletalBone[] bones)
{
d3dMesh = mesh;
this.name = name;
this.renderType = renderType;
enabled = false;
autoUpdateBoundingBox = true;
this.bones = bones;
attachments = new List <TgcSkeletalBoneAttach>();
meshInstances = new List <TgcSkeletalMesh>();
renderSkeleton = false;
AlphaBlendEnable = false;
//variables de movimiento
AutoTransformEnable = false;
translation = TGCVector3.Empty;
rotation = TGCVector3.Empty;
scale = TGCVector3.One;
transform = TGCMatrix.Identity;
//variables de animacion
isAnimating = false;
currentAnimation = null;
playLoop = false;
frameRate = 0f;
currentTime = 0f;
animationTimeLenght = 0f;
currentFrame = 0;
animations = new Dictionary <string, TgcSkeletalAnimation>();
//Matrices de huesos
boneSpaceFinalTransforms = new TGCMatrix[MAX_BONE_COUNT];
//Shader
vertexDeclaration = new VertexDeclaration(mesh.Device, mesh.Declaration);
effect = TGCShaders.Instance.TgcSkeletalMeshShader;
technique = TGCShaders.Instance.GetTGCSkeletalMeshTechnique(this.renderType);
//acomodar huesos
setupSkeleton();
}