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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MADS_MSPRITE_H
#define MADS_MSPRITE_H
#include "common/scummsys.h"
#include "mads/msurface.h"
namespace MADS {
class MADSEngine;
struct BGR8 {
uint8 b, g, r;
};
typedef struct {
int32 x; // x position relative to GrBuff(0, 0)
int32 y; // y position relative to GrBuff(0, 0)
int32 scale_x; // x scale factor (can be negative for reverse draw)
int32 scale_y; // y scale factor (can't be negative)
uint8* depth_map; // depth code array for destination (doesn't care if srcDepth is 0)
BGR8* Pal; // palette for shadow draw (doesn't care if SHADOW bit is not set in Src.encoding)
uint8* ICT; // Inverse Color Table (doesn't care if SHADOW bit is not set in Src.encoding)
uint8 depth; // depth code for source (0 if no depth processing)
} DrawRequestX;
typedef struct
{
uint32 Pack;
uint32 Stream;
long hot_x;
long hot_y;
uint32 Width;
uint32 Height;
uint32 Comp;
uint32 Reserved[8];
uint8* data;
} RendCell;
#define SS_HEADER_NUM_FIELDS 14
struct SpriteSeriesHeader {
uint32 header;
uint32 size;
uint32 packing;
uint32 frameRate;
uint32 pixSpeed;
uint32 maxWidth;
uint32 maxHeight;
uint32 reserved3;
uint32 reserved4;
uint32 reserved5;
uint32 reserved6;
uint32 reserved7;
uint32 reserved8;
uint32 count;
};
#define SF_HEADER_NUM_FIELDS 15
struct SpriteFrameHeader {
uint32 pack;
uint32 stream;
uint32 x;
uint32 y;
uint32 width;
uint32 height;
uint32 comp;
uint32 reserved1;
uint32 reserved2;
uint32 reserved3;
uint32 reserved4;
uint32 reserved5;
uint32 reserved6;
uint32 reserved7;
uint32 reserved8;
};
class MSprite {
public:
MSprite *init(MSurface &s);
MSprite *init(Common::SeekableReadStream *source, const Common::Point &offset, int widthVal,
int heightVal, bool decodeRle = true, uint8 encodingVal = 0);
protected:
static MADSEngine *_vm;
MSprite(MSurface &s);
MSprite(Common::SeekableReadStream *source, const Common::Point &offset,
int widthVal, int heightVal, bool decodeRle = true, uint8 encodingVal = 0);
virtual void load(Common::SeekableReadStream *stream, int widthVal, int heightVal, bool decodeRle) {}
public:
static void setVm(MADSEngine *vm) { _vm = vm; }
virtual ~MSprite();
MSurface &_surface;
Common::Point _pos;
Common::Point _offset;
uint8 _encoding;
};
class MSpriteMADS: public MSprite {
friend class MSprite;
private:
void loadSprite(Common::SeekableReadStream *source);
protected:
MSpriteMADS(MSurface &s): MSprite(s) {}
MSpriteMADS(Common::SeekableReadStream *source, const Common::Point &offset,
int widthVal, int heightVal, bool decodeRle = true, uint8 encodingVal = 0):
MSprite(source, offset, widthVal, heightVal, decodeRle, encodingVal) {}
virtual void load(Common::SeekableReadStream *stream, int widthVal, int heightVal, bool decodeRle);
};
class MSpriteM4: public MSprite {
friend class MSprite;
private:
// Loads a sprite from the given stream, and optionally decompresses the RLE-encoded data
// Loads an RLE compressed sprite; the surface must have been created before
void loadRle(Common::SeekableReadStream *rleData);
void loadDeltaRle(Common::SeekableReadStream *rleData, int destX, int destY);
protected:
MSpriteM4(MSurface &s): MSprite(s) {}
MSpriteM4(Common::SeekableReadStream *source, const Common::Point &offset,
int widthVal, int heightVal, bool decodeRle = true, uint8 encodingVal = 0):
MSprite(source, offset, widthVal, heightVal, decodeRle, encodingVal) {}
virtual void load(Common::SeekableReadStream *stream, int widthVal, int heightVal, bool decodeRle);
};
} // End of namespace MADS
#endif /* MADS_MSPRITE_H */
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