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engines/qdengine/system/graphics/gr_tile_animation.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef QDENGINE_SYSTEM_GRAPHICS_GR_TILE_ANIMATION_H
+#define QDENGINE_SYSTEM_GRAPHICS_GR_TILE_ANIMATION_H
+
+#include "common/hashmap.h"
+#include "common/path.h"
+
+#include "qdengine/xmath.h"
+#include "qdengine/system/graphics/gr_tile_sprite.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+class ManagedSurface;
+}
+
+namespace QDEngine {
+
+typedef void (*CompressionProgressHandler)(int percents_loaded, void *context);
+
+class grTileAnimation {
+public:
+	grTileAnimation();
+
+	bool isEmpty() const {
+		return !_frameCount;
+	}
+
+	void clear();
+
+	int frameCount() const {
+		return _frameCount;
+	}
+	const Vect2i &frameSize() const {
+		return _frameSize;
+	}
+	const Vect2i &frameTileSize() const {
+		return _frameTileSize;
+	}
+	int tileCount() const {
+		return _tileOffsets.size() - 1;
+	}
+
+	void init(int frame_count, const Vect2i &frame_size, bool alpha_flag);
+
+	void compact();
+
+	bool compress(grTileCompressionMethod method);
+
+	grTileSprite getTile(int tile_index) const;
+	grTileSprite getFrameTile(int frame_number, int tile_index) const;
+
+	void addFrame(const uint32 *frame_data);
+
+	bool load(Common::SeekableReadStream *fh, int version);
+
+	void drawFrame(const Vect2i &position, int32 frame_index, int32 mode, int closest_scale) const;
+	void drawFrame(const Vect2i &position, int frame_index, float angle, int mode = 0) const;
+	void drawFrame(const Vect2i &position, int frame_index, float angle, const Vect2f &scale, int mode) const;
+
+	void drawFrame_scale(const Vect2i &position, int frame_index, float scale, int mode) const;
+
+	void drawMask(const Vect2i &position, int frame_index, uint32 mask_color, int mask_alpha, int mode, int closest_scale) const;
+	void drawMask_scale(const Vect2i &pos, int frame_index, uint32 mask_colour, int mask_alpha, float scale, int mode) const;
+	void drawMask_rot(const Vect2i &pos, int frame_index, uint32 mask_colour, int mask_alpha, float angle, int mode) const;
+	void drawMask_rot(const Vect2i &pos, int frame_index, uint32 mask_colour, int mask_alpha, float angle, Vect2f scale, int mode) const;
+
+	void drawContour(const Vect2i &position, int frame_index, uint32 color, int mode, int closest_scale) const;
+	void drawContour(const Vect2i &position, int frame_index, uint32 color, float scale, int mode) const;
+
+	bool hit(int frame_number, Vect2i &pos) const;
+
+	static void setProgressHandler(CompressionProgressHandler handler, void *context) {
+		_progressHandler = handler;
+		_progressHandlerContext = context;
+	}
+
+	void addScale(int i, float scale);
+	byte *decode_frame_data(int frame_index, int closest_scale) const;
+	int find_closest_scale(float *scale) const;
+	bool wasFrameSizeChanged(int frame_index, int scaleIdx, float scale) const;
+
+	Graphics::ManagedSurface *dumpTiles(int tilesPerRow) const;
+	void dumpTiles(Common::Path baseName, int tilesPerRow) const;
+
+	Graphics::ManagedSurface *dumpFrameTiles(int frame_index, float scale) const;
+
+private:
+
+	grTileCompressionMethod _compression;
+
+	/// true если есть альфа-канал
+	bool _hasAlpha;
+
+	/// размеры кадра в пикселах
+	/// могут быть невыровненными по рамерам тайла
+	Vect2i _frameSize;
+
+	/// размеры кадра в тайлах
+	Vect2i _frameTileSize;
+
+	/// количество кадров
+	int _frameCount;
+
+	typedef Std::vector<uint32> FrameIndex;
+
+	struct ScaleArray {
+		float _scale;
+		Vect2i _frameSize;
+		Vect2i _frameTileSize;
+		int _frameStart;
+	};
+
+	Std::vector<ScaleArray> _scaleArray;
+
+	/// индекс кадров - номера тайлов, из которых состоят кадры
+	/// _frameTileSize.x * _frameTileSize.y на кадр
+	FrameIndex _frameIndex;
+
+	typedef Std::vector<uint32> TileOffsets;
+	/// смещения до данных каждого тайла
+	TileOffsets _tileOffsets;
+	typedef Std::vector<uint32> TileData;
+	/// данные тайлов
+	TileData _tileData;
+
+	mutable Common::HashMap<uint32, grTileSprite> _decompressedTiles;
+
+	Std::vector<Vect2i> _frameSizeArray;
+
+	static CompressionProgressHandler _progressHandler;
+	static void *_progressHandlerContext;
+};
+
+} // namespace QDEngine
+
+#endif // QDENGINE_SYSTEM_GRAPHICS_GR_TILE_ANIMATION_H