Function debugDrawTileCachePortals

3rdparty/recast/DetourDebugDraw.cpp:488–527

}

static void debugDrawTileCachePortals(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;

	// Portals
	unsigned int pcol = duRGBA(255,255,255,255);
	
	const int segs[4*4] = {0,0,0,1, 0,1,1,1, 1,1,1,0, 1,0,0,0};
	
	// Layer portals
	dd->begin(DU_DRAW_LINES, 2.0f);
	for (int y = 0; y < h; ++y)
	{
		for (int x = 0; x < w; ++x)
		{
			const int idx = x+y*w;
			const int lh = (int)layer.heights[idx];
			if (lh == 0xff) continue;
			
			for (int dir = 0; dir < 4; ++dir)
			{
				if (layer.cons[idx] & (1<<(dir+4)))
				{
					const int* seg = &segs[dir*4];
					const float ax = bmin[0] + (x+seg[0])*cs;
					const float ay = bmin[1] + (lh+2)*ch;
					const float az = bmin[2] + (y+seg[1])*cs;
					const float bx = bmin[0] + (x+seg[2])*cs;
					const float by = bmin[1] + (lh+2)*ch;
					const float bz = bmin[2] + (y+seg[3])*cs;
					dd->vertex(ax, ay, az, pcol);
					dd->vertex(bx, by, bz, pcol);
				}
			}
		}
	}
	dd->end();
}

void duDebugDrawTileCacheLayerAreas(struct duDebugDraw* dd, const dtTileCacheLayer& layer, const float cs, const float ch)
{