71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <cstdint>
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#include <vector>
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#include "IGLDevice.h"
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namespace spades {
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namespace client {
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class GameMap;
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}
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namespace draw {
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class GLRenderer;
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class GLRadiosityRenderer;
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/** Generates a shadow map of the game map. */
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class GLMapShadowRenderer {
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friend class GLRadiosityRenderer;
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enum { CoarseSize = 8, CoarseBits = 3 };
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GLRenderer &renderer;
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IGLDevice &device;
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client::GameMap *map;
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IGLDevice::UInteger texture;
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IGLDevice::UInteger coarseTexture;
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int w, h, d;
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size_t updateBitmapPitch;
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std::vector<uint32_t> updateBitmap;
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std::vector<uint32_t> bitmap;
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std::vector<uint32_t> coarseBitmap;
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uint32_t GeneratePixel(int x, int y);
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void MarkUpdate(int x, int y);
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public:
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GLMapShadowRenderer(GLRenderer &renderer, client::GameMap *map);
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~GLMapShadowRenderer();
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void GameMapChanged(int x, int y, int z, client::GameMap *);
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void Update();
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IGLDevice::UInteger GetTexture() { return texture; }
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IGLDevice::UInteger GetCoarseTexture() { return coarseTexture; }
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};
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} // namespace draw
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} // namespace spades
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