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2026-02-02 04:50:13 +01:00

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C++

/* 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