/// <summary>
/// End() overload without a ref parameter
/// </summary>
public void End(BoundingBoxRenderer boxRenderer = null)
{
int vertexCount = 0;
End(ref vertexCount, boxRenderer);
}
/// <summary>
/// Cull and draw visible meshes
/// </summary>
public void End(ref int vertexCount, BoundingBoxRenderer boxRenderer = null)
{
totalVertexCount = 0;
graphicsDevice.BlendState = blendState;
graphicsDevice.RasterizerState = rasterizerState;
// Set universal values for effects used by meshes
effect.Parameters["View"].SetValue(camera.view);
effect.Parameters["Projection"].SetValue(camera.projection);
effect.Parameters["camPos"].SetValue(camera.position);
effect.CurrentTechnique = effect.Techniques["Default"];
// Loop through each mesh and render it once for each transform
foreach (KeyValuePair <MeshData, List <Matrix> > meshInstance in meshInstances)
{
MeshData mesh = meshInstance.Key;
List <Matrix> matrices = meshInstance.Value;
// Set the mesh once before setting the transforms
graphicsDevice.SetVertexBuffer(mesh.vb);
graphicsDevice.Indices = mesh.ib;
// Render each instance of this mesh
foreach (Matrix worldTransform in matrices)
{
if (mesh.ib == null)
{
continue;
}
effect.Parameters["World"].SetValue(worldTransform);
// Set additional parameters
if (mesh.aoTexture != null)
{
effect.Parameters["aoTexture"].SetValue(mesh.aoTexture);
}
if (camera.frustum.Contains(mesh.bBox) != ContainmentType.Disjoint ||
(mesh.bBox.Max == Vector3.Zero && mesh.bBox.Min == Vector3.Zero))
{
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleList, 0, 0,
mesh.ib.IndexCount, 0, mesh.ib.IndexCount / 3);
}
// Add total vertices rendered
totalVertexCount += mesh.vb.VertexCount;
// Draw the bounding box
if (boxRenderer != null)
{
boxRenderer.Draw(graphicsDevice, camera, Matrix.Identity, mesh.bBox, mesh.bBoxColor);
}
}
}
// Done rendering mesh, release item to the cached list
if (!cachedMeshInstances.ContainsKey(mesh))
{
// Add to cache if not found already
cachedMeshInstances.Add(mesh, new List <Matrix>());
// Limit cache to batch size if too large, by removing the oldest mesh
if (meshQueue.Count == initialBatchSize)
{
cachedMeshInstances.Remove(meshQueue.Dequeue());
}
meshQueue.Enqueue(mesh);
}
}
// Remove all current instances
meshInstances.Clear();
graphicsDevice.SetRenderTarget(null);
vertexCount = totalVertexCount;
}
