private void Render(VertexBufferRenderData vertexBufferRenderData, VertexSourceType vertexSourceType, int startIndex, int endIndex)
{
BeginMode mode;
switch (vertexSourceType)
{
case VertexSourceType.TriangleList:
mode = BeginMode.Triangles;
break;
case VertexSourceType.TriangleStrip:
mode = BeginMode.TriangleStrip;
break;
case VertexSourceType.QuadList:
mode = BeginMode.Quads;
break;
default:
throw new ArgumentOutOfRangeException();
}
OpenTKHelper.Assert();
int step = 32678;
for (int i = startIndex; i < endIndex; i += step)
{
var count = endIndex - i;
if (count > step) count = step;
GL.DrawArrays(mode, startIndex, count);
}
OpenTKHelper.Assert();
}
private void RenderMesh(Mesh mesh)
{
var vertexBufferRenderData = mesh.ContextData as VertexBufferRenderData;
if (vertexBufferRenderData == null)
{
mesh.ContextData = vertexBufferRenderData = new VertexBufferRenderData(mesh, mesh.Surfaces);
}
int index = 0;
foreach (var surface in mesh.Surfaces)
{
var mtl = surface.Material.Resource as Material;
if (mtl == null && !string.IsNullOrEmpty(surface.Material.NameReference))
{
//TODO: fix naming
mtl =
this.resourceManager.FindResource(
surface.Material.Type, Hash.Get(mesh.Name + "/" + surface.Material.NameReference)) as Material;
}
this.SetMaterial(mtl);
var p = this.ApplyMaterialShader(mesh);
vertexBufferRenderData.Enable(p);
this.Render(vertexBufferRenderData, surface.VertexSourceType, index, index + surface.Count);
index += surface.Count;
vertexBufferRenderData.Disable(p);
}
}
public void Render(IMesh mesh)
{
if (mesh == null)
{
return;
}
if (!this.frustum.CheckSphere(mesh.BoundingSphereCenter.ToVector(), mesh.BoundingSphereR))
{
return;
}
var vertexBufferRenderData = mesh.RenderData as VertexBufferRenderData;
if (vertexBufferRenderData == null)
{
mesh.RenderData = vertexBufferRenderData = new VertexBufferRenderData(mesh, mesh.Submeshes);
}
IEnumerable<ISubMesh> submeshes;
if (this.vsdProvider != null && this.vsdProvider.Level == mesh)
{
submeshes = this.vsdProvider.GetVisibleSubMeshes();
}
else
{
submeshes = mesh.Submeshes;
}
int index = 0;
foreach (var surface in submeshes)
{
//if (!this.frustum.CheckSphere(surface.BoundingSphereCenter, surface.BoundingSphereR))
//{
// continue;
//}
this.SetMaterial(surface.Material);
var p = this.ApplyMaterialShader(mesh);
if (p == null)
{
return;
}
vertexBufferRenderData.Enable(p);
this.Render(vertexBufferRenderData, surface.VertexSourceType, index, surface.Count + index);
index += surface.Count;
}
}
