/// <summary>
/// Render all meshes we collected this frame sorted by techniques
/// and materials. This method is about 3-5 times faster than just
/// using Model's Mesh.Draw method (see commented out code there).
/// The reason for that is that we require only very few state changes
/// and render everthing down as fast as we can. The only optimization
/// left would be to put vertices of several meshes together if they
/// are static and use the same technique and material. But since
/// meshes have WriteOnly vertex and index buffers, we can't do that
/// without using a custom model format.
/// </summary>
public void Render()
{
// Make sure z buffer is on
BaseGame.Device.RenderState.DepthBufferEnable = true;
BaseGame.Device.RenderState.DepthBufferWriteEnable = true;
// We always use the normalMapping shader here.
Effect effect = ShaderEffect.normalMapping.Effect;
// Set general parameters for the shader
ShaderEffect.normalMapping.SetParametersOptimizedGeneral();
// Don't set vertex buffer again if it does not change this frame.
// Clear these remember settings.
lastVertexBufferSet = null;
lastIndexBufferSet = null;
for (int listNum = 0; listNum < sortedMeshes.Count; listNum++)
{
MeshesPerMaterialPerTechniques list = sortedMeshes[listNum];
if (list.NumberOfRenderMatrices > 0)
{
list.Render(effect);
}
}
}
} // Add(vertexBuffer, indexBuffer, part)
#endregion
#region Render
/// <summary>
/// Render all meshes we collected this frame sorted by techniques
/// and materials. This method is about 3-5 times faster than just
/// using Model's Mesh.Draw method (see commented out code there).
/// The reason for that is that we require only very few state changes
/// and render everthing down as fast as we can. The only optimization
/// left would be to put vertices of several meshes together if they
/// are static and use the same technique and material. But since
/// meshes have WriteOnly vertex and index buffers, we can't do that
/// without using a custom model format.
/// </summary>
public void Render()
{
// Copy over last frame's object to this frame
for (int listNum = 0; listNum < sortedMeshes.Count; listNum++)
{
MeshesPerMaterialPerTechniques list = sortedMeshes[listNum];
for (int meshNum = 0; meshNum < list.meshesPerMaterials.Count; meshNum++)
{
MeshesPerMaterial list2 = list.meshesPerMaterials[meshNum];
for (int num = 0; num < list2.meshes.Count; num++)
{
RenderableMesh mesh = list2.meshes[num];
// Copy over last frame matrices for rendering now!
mesh.lastFrameRenderMatricesAndAlpha =
mesh.thisFrameRenderMatricesAndAlpha;
// Clear list for this frame
mesh.thisFrameRenderMatricesAndAlpha =
new List <MatrixAndAlpha>();
} // for
} // for
} // for
// Make sure z buffer is on for 3D content
BaseGame.Device.RenderState.DepthBufferEnable = true;
BaseGame.Device.RenderState.DepthBufferWriteEnable = true;
// We always use the normalMapping shader here.
Effect effect = BaseGame.ParallaxShader.Effect;
// Set general parameters for the shader
BaseGame.ParallaxShader.SetParametersOptimizedGeneral();
// Don't set vertex buffer again if it does not change this frame.
// Clear these remember settings.
lastVertexBufferSet = null;
lastIndexBufferSet = null;
//obs: foreach (MeshesPerMaterialPerTechniques list in sortedMeshes)
for (int listNum = 0; listNum < sortedMeshes.Count; listNum++)
{
MeshesPerMaterialPerTechniques list = sortedMeshes[listNum];
if (list.NumberOfRenderMatrices > 0)
{
list.Render(effect);
}
} // for (listNum)
} // Render()