/// <summary>
/// Draw Mesh with the effect applied
/// </summary>
/// <param name="modelMeshPart"></param>
/// <param name="worldViewProjection"></param>
/// <param name="effectPass"></param>
private void DrawMeshPart(ModelMeshPart modelMeshPart, EffectPasses effectPass)
{
_graphicsDevice.SetVertexBuffer(modelMeshPart.VertexBuffer);
_graphicsDevice.Indices = (modelMeshPart.IndexBuffer);
int primitiveCount = modelMeshPart.PrimitiveCount;
int vertexOffset = modelMeshPart.VertexOffset;
int startIndex = modelMeshPart.StartIndex;
switch (effectPass)
{
case EffectPasses.NoNormalNoTexUnskinned:
_noNormalNoTexUnskinnedPass.Apply();
break;
case EffectPasses.NoNormalUnskinned:
_noNormalUnskinnedPass.Apply();
break;
case EffectPasses.Unskinned:
_unskinnedPass.Apply();
break;
case EffectPasses.UnskinnedNormalMapped:
_unskinnedNormalMappedPass.Apply();
break;
case EffectPasses.Skinned:
_skinnedPass.Apply();
break;
case EffectPasses.SkinnedNormalMapped:
_skinnedNormalMappedPass.Apply();
break;
case EffectPasses.SkinnedDepth:
_skinnedDepthPass.Apply();
break;
case EffectPasses.UnskinnedDepth:
_unskinnedDepthPass.Apply();
break;
}
_graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, vertexOffset, startIndex, primitiveCount);
}
/// <summary>
/// Base draw
/// </summary>
/// <param name="model"></param>
/// <param name="world"></param>
/// <param name="viewProjection"></param>
/// <param name="cameraPosition"></param>
/// <param name="effectPass"></param>
/// <param name="bones"></param>
public void DrawMesh(Model model, Matrix world, Matrix view, Matrix viewProjection, Vector3 cameraPosition, EffectPasses effectPass, Matrix[] bones = null)
{
_worldViewProjParameter.SetValue(viewProjection);
_worldITParameter.SetValue(world /*Matrix.Transpose(Matrix.Invert(world))*/);
_worldParameter.SetValue(world);
_viewParameter.SetValue(view);
if (bones != null)
{
_bonesParameter.SetValue(bones);
}
_cameraPositionParameter.SetValue(cameraPosition);
for (int index = 0; index < model.Meshes.Count; index++)
{
var modelMesh = model.Meshes[index];
for (int i = 0; i < modelMesh.MeshParts.Count; i++)
{
var modelMeshPart = modelMesh.MeshParts[i];
DrawMeshPart(modelMeshPart, effectPass);
}
}
}
