/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


		#include "core/geometry.h"

		using namespace GS;
		using namespace GS::Core;


//------------------------------------------------------------------------------
void				Geometry::SmoothRGB(uint pass_count, float max_smooth_angle)
{
	if	(!rgb)
		return;

	Array <uint> pol_index;
	ComputePolygonIndex(pol_index);

	Array <VertexToVertex> vtx_to_vtx;
	ComputeVertexToVertex(vtx_to_vtx);

	Array <Color> dst(binding.GetCount());

	for	(uint ns = 0; ns < pass_count; ++ns)
	{
		for	(uint np = 0; np < pol.GetCount(); ++np)
			for	(uint nv = 0; nv < pol[np].vtx_count; ++nv)
			{
				uint imv = pol[np].binding[nv],
					 iv = pol_index[np] + nv;

				dst[iv] = rgb[iv] * 4.f;
				uint nrgb = 4;

				for	(uint nvv = 0; nvv < vtx_to_vtx[imv].vtx_count; nvv++)
					if	(pol[vtx_to_vtx[imv].vtx[nvv].pol_index].material == pol[np].material)
					{
						dst[iv] += rgb[pol_index[vtx_to_vtx[imv].vtx[nvv].pol_index] + vtx_to_vtx[imv].vtx[nvv].vtx_index];
						nrgb++;
					}

				dst[iv] /= (float)nrgb;
			}

		Array <Color>::Swap(rgb, dst);
	}
}
//------------------------------------------------------------------------------