private IMesh BuildChunkMesh(Point2 offset, Point2 size)
{
IMesh batch = new RAMMesh();
size.ForEach(p =>
{
var v = world.GetVoxel(p + new Point2(offset));
if (v == null)
{
return;
}
var mesh = meshProvider.GetMesh(v);
if (mesh == null)
{
return;
}
var vWorld = Matrix.Scaling(new Vector3(world.VoxelSize.X))
* Matrix.Translation(((p.ToVector2() + new Vector2(0.5f)) * world.VoxelSize.X).ToXZ(v.Data.Height));
MeshBuilder.AppendMeshTo(meshProvider.GetMesh(v), batch, vWorld);
});
var optimizer = new MeshOptimizer();
batch = optimizer.CreateOptimized(batch);
return(batch);
}
public void UpdateWindow(Point2 offset, Vector3 worldTranslation, Point2 windowSize)
{
entities.ForEach((e, p) =>
{
var v = world.GetVoxel(p + new Point2(offset));
if (v == null)
{
e.Visible = false;
return;
}
e.Mesh = getMesh(v);
e.WorldMatrix = Matrix.Scaling(new Vector3(world.VoxelSize.X)) *
Matrix.Translation(world.GetBoundingBox(p).GetCenter() + worldTranslation);
e.Visible = e.Mesh != null;
});
}
