private void convertDeltaVerticesToAbsolute(float[] vertices, int meshIndex, ushort groupIndex, int currentFrameIndex)
{
// find the previous frame
int previousFrame = -1;
int previousFrameVertexIndex = -1;
for (int frame = currentFrameIndex - 1; frame >= 0; frame--)
{
if (_frames[frame * _numMeshes + meshIndex].Active && _frames[frame * _numMeshes + meshIndex].Vertices != null)
{
for (int vertex = 0; vertex < _frames[frame * _numMeshes + meshIndex].Vertices.Count; vertex++)
{
if (_frames[frame * _numMeshes + meshIndex].Vertices[vertex].SectionIndex == groupIndex)
{
previousFrame = frame * (int)_numMeshes + meshIndex;
previousFrameVertexIndex = vertex;
break;
}
}
}
// did we find a frame yet?
if (previousFrame >= 0)
{
break;
}
}
// maybe we didn't find a frame. In that case use vertices from the model itself
if (previousFrame < 0)
{
ModelResource model = SceneManager.GetModelByName(_modelName, true);
if (model != null)
{
float[] modelVerts = model.Meshes[meshIndex].sections[groupIndex].vertices;
const int stride = 3 + 3 + 2;
for (int i = 0; i < vertices.Length / 3; i++)
{
vertices[i * 3 + 0] += modelVerts[i * stride + 0];
vertices[i * 3 + 1] += modelVerts[i * stride + 1];
vertices[i * 3 + 2] += modelVerts[i * stride + 2];
}
}
}
else
{
// we found a frame!
for (int i = 0; i < vertices.Length / 3; i++)
{
vertices[i * 3 + 0] += _frames[previousFrame].Vertices[previousFrameVertexIndex].Vertices[i * 3 + 0];
vertices[i * 3 + 1] += _frames[previousFrame].Vertices[previousFrameVertexIndex].Vertices[i * 3 + 1];
vertices[i * 3 + 2] += _frames[previousFrame].Vertices[previousFrameVertexIndex].Vertices[i * 3 + 2];
}
}
}
public static void SetModelTexture(string model, int meshIndex, int groupIndex, string texture)
{
// find the model
Graphics.ModelResource m = GetSceneModel(model);
if (m != null)
{
m.ReplaceTexture(meshIndex, groupIndex, texture + ".BMP");
}
}
public Resource.Resource Load(string name, Resource.ResourceManager content)
{
try
{
if (name.IndexOf('.') < 0)
{
name += ".MOD";
}
System.IO.Stream stream = FileSystem.Open(name);
ModelResource resource = new ModelResource(name, stream, content);
stream.Close();
return(resource);
}
catch (System.IO.FileNotFoundException)
{
Logger.WriteError("Unable to find model: {0}", name);
return(new ModelResource(name, content));
}
}
/// <summary>
/// Applies the animation to a model
/// </summary>
/// <returns>True if the animation is still playing, false otherwise</returns>
public bool Animate(ModelResource model, int timeSinceStart, int timeSinceLastFrame, bool loop, bool absolute)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
if (model.Meshes.Length != _numMeshes)
{
throw new ArgumentException("The model is not compatible with this animation");
}
bool stillPlaying = false;
for (int i = 0; i < model.Meshes.Length; i++)
{
int frame1, frame2;
float percent;
getFrames(timeSinceStart, i, out frame1, out frame2, out percent);
if (frame1 >= 0)
{
stillPlaying = true;
}
if (frame1 >= 0 && frame2 >= 0)
{
if (_animationFrames[i][frame1].Transform != null &&
_animationFrames[i][frame2].Transform != null)
{
Math.Matrix animatedTransform;
FrameTransformation.LerpToMatrix(percent, ref _animationFrames[i][frame1].Transform, ref _animationFrames[i][frame2].Transform, out animatedTransform);
//model.Meshes[i].AnimatedTransformMatrix = animatedTransform;
model.Meshes[i].SetTransform(animatedTransform);
//model.Meshes[i].SetTransform(_animationFrames[i][frame1].Transform.Original);
model.Meshes[i].AnimatedTransformIsAbsolute = absolute;
}
// TODO: interpolate
FrameSectionVertices[] v = _animationFrames[i][frame1].Vertices;
if (v != null)
{
for (int j = 0; j < v.Length; j++)
{
if (model.Meshes[i].sections[v[j].SectionIndex].AnimatedVertices == null)
{
model.Meshes[i].sections[v[j].SectionIndex].AnimatedVertices = new float[model.Meshes[i].sections[v[j].SectionIndex].vertices.Length];
Array.Copy(model.Meshes[i].sections[v[j].SectionIndex].vertices, model.Meshes[i].sections[v[j].SectionIndex].AnimatedVertices, model.Meshes[i].sections[v[j].SectionIndex].vertices.Length);
}
float[] dest = model.Meshes[i].sections[v[j].SectionIndex].AnimatedVertices;
float[] source = v[j].Vertices;
for (int k = 0; k < source.Length / 3; k++)
{
const int stride = 3 + 3 + 2;
dest[k * stride + 0] = source[k * 3 + 0];
dest[k * stride + 1] = source[k * 3 + 1];
dest[k * stride + 2] = source[k * 3 + 2];
}
}
}
float[] boundingBox = _animationFrames[i][frame1].BoundingBox;
if (boundingBox != null)
{
// TODO: interpolate the bounding boxes
model.Meshes[i].SetAABB(new AxisAlignedBoundingBox(boundingBox));
}
}
/*if (frame.Vertices != null)
* {
* for (int j = 0; j < frame.Vertices.Length; j++)
* {
* float[] dest = model.Meshes[i].sections[frame.Vertices[j].SectionIndex].vertices;
* float[] source = frame.Vertices[j].Vertices;
*
* if (frame.Vertices[j].Delta)
* {
* for (int k = 0; k < source.Length / 3; k++)
* {
* const int stride = 3 + 3 + 2;
* dest[k * stride + 0] += source[k * 3 + 0];
* dest[k * stride + 1] += source[k * 3 + 1];
* dest[k * stride + 2] += source[k * 3 + 2];
* }
*
* //model.Meshes[i].VerticesModifiedWithDelta = true;
* }
* else
* {
* for (int k = 0; k < source.Length / 3; k++)
* {
* const int stride = 3 + 3 + 2;
* dest[k * stride + 0] = source[k * 3 + 0];
* dest[k * stride + 1] = source[k * 3 + 1];
* dest[k * stride + 2] = source[k * 3 + 2];
* }
* }
* }
* }*/
//model.Meshes[i].AnimatedTransformMatrix = transform;// *model.Meshes[i].TransformMatrix;
}
return(stillPlaying);
}