Function duDebugDrawTileCacheLayerRegions

3rdparty/recast/DetourDebugDraw.cpp:583–629

}

void duDebugDrawTileCacheLayerRegions(struct duDebugDraw* dd, const dtTileCacheLayer& layer, const float cs, const float ch)
{
	const int w = (int)layer.header->width;
	const int h = (int)layer.header->height;
	const float* bmin = layer.header->bmin;
	const float* bmax = layer.header->bmax;
	const int idx = layer.header->tlayer;
	
	unsigned int color = duIntToCol(idx+1, 255);
	
	// Layer bounds
	float lbmin[3], lbmax[3];
	lbmin[0] = bmin[0] + layer.header->minx*cs;
	lbmin[1] = bmin[1];
	lbmin[2] = bmin[2] + layer.header->miny*cs;
	lbmax[0] = bmin[0] + (layer.header->maxx+1)*cs;
	lbmax[1] = bmax[1];
	lbmax[2] = bmin[2] + (layer.header->maxy+1)*cs;
	duDebugDrawBoxWire(dd, lbmin[0],lbmin[1],lbmin[2], lbmax[0],lbmax[1],lbmax[2], duTransCol(color,128), 2.0f);
	
	// Layer height
	dd->begin(DU_DRAW_QUADS);
	for (int y = 0; y < h; ++y)
	{
		for (int x = 0; x < w; ++x)
		{
			const int lidx = x+y*w;
			const int lh = (int)layer.heights[lidx];
			if (lh == 0xff) continue;
			const unsigned char reg = layer.regs[lidx];
			
			unsigned int col = duLerpCol(color, duIntToCol(reg, 255), 192);
			
			const float fx = bmin[0] + x*cs;
			const float fy = bmin[1] + (lh+1)*ch;
			const float fz = bmin[2] + y*cs;
			
			dd->vertex(fx, fy, fz, col);
			dd->vertex(fx, fy, fz+cs, col);
			dd->vertex(fx+cs, fy, fz+cs, col);
			dd->vertex(fx+cs, fy, fz, col);
		}
	}
	dd->end();
	
	debugDrawTileCachePortals(dd, layer, cs, ch);
}