openspades/Sources/Draw/GLFlatMapRenderer.h

/*
 Copyright (c) 2013 yvt

 This file is part of OpenSpades.

 OpenSpades is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 OpenSpades is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with OpenSpades.  If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

#include <vector>

#include "../Core/Math.h"

namespace spades {
	class Bitmap;
	namespace client {
		class GameMap;
	}
	namespace draw {
		class GLRenderer;
		class GLImage;
		class GLFlatMapRenderer {
			enum { ChunkSize = 16, ChunkBits = 4 };

			GLRenderer *renderer;
			client::GameMap *map;
			std::vector<bool> chunkInvalid;

			GLImage *image;

			int chunkCols, chunkRows;

			Bitmap *GenerateBitmap(int x, int y, int w, int h);

		public:
			GLFlatMapRenderer(GLRenderer *renderer, client::GameMap *map);
			~GLFlatMapRenderer();
			void Draw(const AABB2 &dest, const AABB2 &src);

			void GameMapChanged(int x, int y, int z, client::GameMap *);
		};
	}
}