/// <summary>
/// Draws all of the ModelMeshPart objects in this mesh, using their current Effect settings.
/// </summary>
/// <param name="context">The graphics context.</param>
/// <param name="boneTransforms">The model's bone transforms.</param>
/// <param name="effectOverride">The effect to use instead of the effect attached to each mesh part. Default is null (use Effect in MeshPart)</param>
/// <exception cref="System.InvalidOperationException">Model has no effect</exception>
public void Draw(GraphicsDevice context, Matrix[] boneTransforms, Effect effectOverride = null)
{
int count = this.MeshParts.Count;
for (int i = 0; i < count; i++)
{
ModelMeshPart part = MeshParts[i];
Effect effect = effectOverride ?? part.Effect;
if (effect == null)
{
throw new InvalidOperationException("ModelMeshPart has no effect and effectOverride is null");
}
var skinnedEffect = effect as SkinnedEffect;
int boneCount = part.SkinnedBones.Count;
if (skinnedEffect != null && boneCount > 0)
{
var transforms = new Matrix[boneCount];
for (int j = 0; j < boneCount; j++)
{
var skinnedBone = part.SkinnedBones[j];
Matrix.Multiply(ref skinnedBone.OffsetMatrix, ref boneTransforms[skinnedBone.Bone.Index], out transforms[j]);
}
skinnedEffect.SetBoneTransforms(transforms);
}
int passCount = effect.CurrentTechnique.Passes.Count;
for (int j = 0; j < passCount; j++)
{
effect.CurrentTechnique.Passes[j].Apply();
part.Draw(context);
}
}
}
/// <summary>
/// Draws all of the ModelMeshPart objects in this mesh, using their current Effect settings.
/// </summary>
/// <param name="context">The graphics context.</param>
/// <param name="effectOverride">The effect to use instead of the effect attached to each mesh part. Default is null (use Effect in MeshPart)</param>
/// <exception cref="System.InvalidOperationException">Model has no effect</exception>
public void Draw(GraphicsDevice context, Effect effectOverride = null)
{
int count = this.MeshParts.Count;
for (int i = 0; i < count; i++)
{
ModelMeshPart part = MeshParts[i];
Effect effect = effectOverride ?? part.Effect;
if (effect == null)
{
throw new InvalidOperationException("ModelMeshPart has no effect and effectOverride is null");
}
int passCount = effect.CurrentTechnique.Passes.Count;
for (int j = 0; j < passCount; j++)
{
effect.CurrentTechnique.Passes[j].Apply();
part.Draw(context);
}
}
}
