private unsafe List <RenderBatch> GetRenderBatches()
{
var collectionBatches =
new List <RenderBatch>(sectionBuffers.SelectMany(x => x.Parts).Count());
foreach (var sectionBuffer in sectionBuffers)
{
var mesh = sectionBuffer;
foreach (var part in mesh.Parts)
{
var batch = new RenderBatch
{
ElementStartIndex = part.StripStartIndex * sizeof(ushort),
ElementLength = part.StripLength,
Shader = new ShaderReference(
ShaderReference.ReferenceType.Halo2,
(int)RenderModel.Materials[part.Material].Shader.Ident),
PrimitiveType = PrimitiveType.TriangleStrip,
BatchObject = mesh.TriangleBatch
};
var texcoordRange = RenderModel.CompressionInfo[0].ExtractTexcoordScaling();
batch.AssignUniform("TexcoordRangeUniform", texcoordRange);
batch.AssignUniform("WorldMatrixUniform", WorldMatrix);
if (InstanceBasisMatrices != null && InstanceBasisMatrices.Count > 0)
{
using (batch.BatchObject.Begin())
{
batch.BatchObject.BindBuffer(BufferTarget.ArrayBuffer,
batch.BatchObject.GetOrGenerateBuffer("instance data"));
batch.InstanceCount = InstanceBasisMatrices.Count;
batch.BatchObject.BufferVertexAttributeData(GetInstanceMatrices(), BufferUsageHint.StreamDraw);
var stride = sizeof(Matrix4);
var sizeOfVector4 = sizeof(Vector4);
batch.BatchObject.VertexAttribArray(8, 4, VertexAttribPointerType.Float, false, stride,
sizeOfVector4 * 0);
batch.BatchObject.VertexAttribArray(9, 4, VertexAttribPointerType.Float, false, stride,
sizeOfVector4 * 1);
batch.BatchObject.VertexAttribArray(10, 4, VertexAttribPointerType.Float, false, stride,
sizeOfVector4 * 2);
batch.BatchObject.VertexAttribArray(11, 4, VertexAttribPointerType.Float, false, stride,
sizeOfVector4 * 3);
batch.BatchObject.VertexAttribDivisor(8, 1);
batch.BatchObject.VertexAttribDivisor(9, 1);
batch.BatchObject.VertexAttribDivisor(10, 1);
batch.BatchObject.VertexAttribDivisor(11, 1);
}
}
collectionBatches.Add(batch);
}
}
return(collectionBatches);
}
private IEnumerable <RenderBatch> _RenderBatches( )
{
foreach (var sectionBuffer in sectionBuffers)
{
var mesh = sectionBuffer;
foreach (var part in mesh.Parts)
{
var texcoordRange = RenderModel.CompressionInfo[0].ExtractTexcoordScaling( );
var batch = new RenderBatch
{
ElementStartIndex = part.StripStartIndex * sizeof(ushort),
ElementLength = part.StripLength
};
batch.AssignUniform("TexcoordRangeUniform", texcoordRange);
batch.AssignUniform("WorldMatrixUniform", WorldMatrix);
for (var i = 0; i < mesh.SectionBlock.SectionData[0].NodeMap.Length; ++i)
{
var inverseBindPoseMatrix =
Nodes.GetInverseBindPoseTransfrom(mesh.SectionBlock.SectionData[0].NodeMap[i].NodeIndex);
var poseMatrix =
Nodes.GetPoseTransfrom(mesh.SectionBlock.SectionData[0].NodeMap[i].NodeIndex);
var final = inverseBindPoseMatrix * poseMatrix;
batch.AssignUniform(string.Format("BoneMatrices[{0}]", i), final);
}
batch.Shader = new ShaderReference(
ShaderReference.ReferenceType.Halo2,
( int )RenderModel.Materials[part.Material].Shader.Ident);
batch.PrimitiveType = PrimitiveType.TriangleStrip;
batch.BatchObject = mesh.TriangleBatch;
yield return(batch);
}
}
}
