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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 ILLUSIONS_BACKGROUNDRESOURCE_H
#define ILLUSIONS_BACKGROUNDRESOURCE_H
#include "illusions/camera.h"
#include "illusions/graphics.h"
#include "illusions/pathfinder.h"
#include "illusions/resourcesystem.h"
#include "graphics/surface.h"
#include "common/array.h"
#include "common/file.h"
#include "common/list.h"
#include "common/memstream.h"
#include "common/rect.h"
#include "common/substream.h"
#include "common/system.h"
namespace Illusions {
class IllusionsEngine;
struct Sequence;
class BackgroundResourceLoader : public BaseResourceLoader {
public:
BackgroundResourceLoader(IllusionsEngine *vm) : _vm(vm) {}
virtual ~BackgroundResourceLoader() {}
virtual void load(Resource *resource);
virtual void buildFilename(Resource *resource);
virtual bool isFlag(int flag);
protected:
IllusionsEngine *_vm;
};
struct TileMap {
int16 _width, _height;
//field_4 dd
byte *_map;
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
struct BgInfo {
uint32 _flags;
//field_4 dw
int16 _priorityBase;
SurfInfo _surfInfo;
Common::Point _panPoint;
TileMap _tileMap;
byte *_tilePixels;
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
class PriorityLayer {
public:
void load(byte *dataStart, Common::SeekableReadStream &stream);
int getPriority(Common::Point pos);
protected:
int16 _width, _height;
int16 _mapWidth, _mapHeight;
byte *_map, *_values;
};
class ScaleLayer {
public:
void load(byte *dataStart, Common::SeekableReadStream &stream);
int getScale(Common::Point pos);
protected:
int16 _height;
byte *_values;
};
class RegionLayer {
public:
void load(byte *dataStart, Common::SeekableReadStream &stream);
int getRegionIndex(Common::Point pos);
uint32 getRegionSequenceId(int regionIndex);
protected:
uint32 _unk;
byte *_regionSequenceIds;
int16 _width, _height;
int16 _mapWidth, _mapHeight;
byte *_map, *_values;
};
struct Palette {
uint16 _count;
uint16 _unk;
byte *_palette;
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
struct BackgroundObject {
uint32 _objectId;
uint16 _flags;
int16 _priority;
byte *_pointsConfig;
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
struct PathWalkPoints {
PointArray *_points;
PathWalkPoints() : _points(0) {}
~PathWalkPoints() { delete _points; }
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
struct PathWalkRects {
PathLines *_rects;
PathWalkRects() : _rects(0) {}
~PathWalkRects() { delete _rects; }
void load(byte *dataStart, Common::SeekableReadStream &stream);
};
class BackgroundResource {
public:
BackgroundResource();
~BackgroundResource();
void load(byte *data, uint32 dataSize);
int findMasterBgIndex();
PriorityLayer *getPriorityLayer(uint index);
ScaleLayer *getScaleLayer(uint index);
RegionLayer *getRegionLayer(uint index);
PathWalkPoints *getPathWalkPoints(uint index);
PathWalkRects *getPathWalkRects(uint index);
Palette *getPalette(uint index);
bool findNamedPoint(uint32 namedPointId, Common::Point &pt);
public:
uint _paletteIndex;
uint _bgInfosCount;
BgInfo *_bgInfos;
uint _priorityLayersCount;
PriorityLayer *_priorityLayers;
uint _scaleLayersCount;
ScaleLayer *_scaleLayers;
uint _regionLayersCount;
RegionLayer *_regionLayers;
uint _regionSequencesCount;
Sequence *_regionSequences;
uint _backgroundObjectsCount;
BackgroundObject *_backgroundObjects;
uint _pathWalkPointsCount;
PathWalkPoints *_pathWalkPoints;
uint _pathWalkRectsCount;
PathWalkRects *_pathWalkRects;
NamedPoints _namedPoints;
uint _palettesCount;
Palette *_palettes;
};
const uint kMaxBackgroundItemSurfaces = 3;
class BackgroundInstance : public ResourceInstance {
public:
BackgroundInstance(IllusionsEngine *vm);
virtual void load(Resource *resource);
virtual void unload();
virtual void pause();
virtual void unpause();
public:
IllusionsEngine *_vm;
uint32 _tag;
int _pauseCtr;
BackgroundResource *_bgRes;
Common::Point _panPoints[kMaxBackgroundItemSurfaces];
Graphics::Surface *_surfaces[kMaxBackgroundItemSurfaces];
CameraState _savedCameraState;
byte *_savedPalette;
void registerResources();
void unregisterResources();
void initSurface();
void freeSurface();
void drawTiles(Graphics::Surface *surface, TileMap &tileMap, byte *tilePixels);
void drawTiles8(Graphics::Surface *surface, TileMap &tileMap, byte *tilePixels);
void drawTiles16(Graphics::Surface *surface, TileMap &tileMap, byte *tilePixels);
};
class BackgroundInstanceList {
public:
BackgroundInstanceList(IllusionsEngine *vm);
~BackgroundInstanceList();
BackgroundInstance *createBackgroundInstance(Resource *resource);
void removeBackgroundInstance(BackgroundInstance *backgroundInstance);
void pauseByTag(uint32 tag);
void unpauseByTag(uint32 tag);
BackgroundInstance *findActiveBackgroundInstance();
BackgroundInstance *findBackgroundByResource(BackgroundResource *backgroundResource);
BackgroundResource *getActiveBgResource();
WidthHeight getMasterBgDimensions();
void refreshPan();
bool findActiveBackgroundNamedPoint(uint32 namedPointId, Common::Point &pt);
//protected:
public:
typedef Common::List<BackgroundInstance*> Items;
typedef Items::iterator ItemsIterator;
IllusionsEngine *_vm;
Items _items;
};
} // End of namespace Illusions
#endif // ILLUSIONS_BACKGROUNDRESOURCE_H
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