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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_SCREEN_H
#define ILLUSIONS_SCREEN_H
#include "illusions/graphics.h"
#include "common/list.h"
#include "common/rect.h"
#include "graphics/surface.h"
namespace Illusions {
class IllusionsEngine;
class FontResource;
struct SpriteDecompressQueueItem {
byte *_drawFlags;
uint32 _flags;
uint32 _field8;
WidthHeight _dimensions;
byte *_compressedPixels;
Graphics::Surface *_surface;
};
class SpriteDecompressQueue {
public:
SpriteDecompressQueue(Screen *screen);
~SpriteDecompressQueue();
void insert(byte *drawFlags, uint32 flags, uint32 field8, WidthHeight &dimensions,
byte *compressedPixels, Graphics::Surface *surface);
void decompressAll();
protected:
typedef Common::List<SpriteDecompressQueueItem*> SpriteDecompressQueueList;
typedef SpriteDecompressQueueList::iterator SpriteDecompressQueueListIterator;
Screen *_screen;
SpriteDecompressQueueList _queue;
void decompress(SpriteDecompressQueueItem *item);
};
struct SpriteDrawQueueItem {
byte *_drawFlags;
int16 _kind;
int16 _scale;
uint16 _flags;
uint32 _priority;
Graphics::Surface *_surface;
WidthHeight _dimensions;
Common::Point _drawPosition;
Common::Point _controlPosition;
};
class SpriteDrawQueue {
public:
SpriteDrawQueue(Screen *screen);
~SpriteDrawQueue();
bool draw(SpriteDrawQueueItem *item);
void drawAll();
void insertSprite(byte *drawFlags, Graphics::Surface *surface, WidthHeight &dimensions,
Common::Point &drawPosition, Common::Point &controlPosition, uint32 priority, int16 scale, uint16 flags);
void insertSurface(Graphics::Surface *surface, WidthHeight &dimensions,
Common::Point &drawPosition, uint32 priority);
void insertTextSurface(Graphics::Surface *surface, WidthHeight &dimensions,
Common::Point &drawPosition, uint32 priority);
protected:
typedef Common::List<SpriteDrawQueueItem*> SpriteDrawQueueList;
typedef SpriteDrawQueueList::iterator SpriteDrawQueueListIterator;
struct FindInsertionPosition : public Common::UnaryFunction<const SpriteDrawQueueItem*, bool> {
uint32 _priority;
FindInsertionPosition(uint32 priority) : _priority(priority) {}
bool operator()(const SpriteDrawQueueItem *item) const {
return item->_priority >= _priority;
}
};
Screen *_screen;
SpriteDrawQueueList _queue;
void insert(SpriteDrawQueueItem *item, uint32 priority);
bool calcItemRect(SpriteDrawQueueItem *item, Common::Rect &srcRect, Common::Rect &dstRect);
};
struct Fader {
bool _active;
int _currValue;
bool _paused;
int _minValue;
int _maxValue;
int _firstIndex;
int _lastIndex;
uint32 _startTime;
int _duration;
uint32 _notifyThreadId;
Fader() : _active(false), _paused(false) {}
};
class ScreenPaletteBase {
public:
virtual ~ScreenPaletteBase() {};
virtual void setPalette(byte *colors, uint start, uint count) {};
virtual void setPaletteEntry(int16 index, byte r, byte g, byte b) {};
virtual void getPalette(byte *colors) {};
virtual void shiftPalette(int16 fromIndex, int16 toIndex) {};
virtual void updatePalette() {};
virtual void updateFaderPalette() {};
virtual void setFader(int newValue, int firstIndex, int lastIndex) {};
virtual bool isFaderActive() const { return false; }
virtual const byte* getColorTransTbl() const { return 0; }
};
class ScreenPalette : public ScreenPaletteBase {
public:
ScreenPalette(IllusionsEngine *vm);
void setPalette(byte *colors, uint start, uint count);
void setPaletteEntry(int16 index, byte r, byte g, byte b);
void getPalette(byte *colors);
void shiftPalette(int16 fromIndex, int16 toIndex);
void updatePalette();
void updateFaderPalette();
void setFader(int newValue, int firstIndex, int lastIndex);
bool isFaderActive() const { return _isFaderActive; }
const byte* getColorTransTbl() const { return _colorTransTbl; }
protected:
IllusionsEngine *_vm;
bool _needRefreshPalette;
byte _mainPalette[768];
byte _colorTransTbl[256];
bool _isFaderActive;
byte _faderPalette[768];
int _newFaderValue, _firstFaderIndex, _lastFaderIndex;
void setSystemPalette(byte *palette);
void buildColorTransTbl();
};
class NullScreenPalette : public ScreenPaletteBase {
};
class Screen {
public:
Screen(IllusionsEngine *vm, int16 width, int16 height, int bpp);
virtual ~Screen();
Graphics::Surface *allocSurface(int16 width, int16 height);
Graphics::Surface *allocSurface(SurfInfo &surfInfo);
bool isDisplayOn();
void setDisplayOn(bool isOn);
void setScreenOffset(Common::Point offsPt);
void updateSprites();
void clearScreenOffsetAreas();
uint16 getColorKey1() const { return _colorKey1; }
void setColorKey1(uint16 colorKey) { _colorKey1 = colorKey; }
uint16 getColorKey2() const { return _colorKey2; }
int16 getScreenWidth() const { return _backSurface->w; }
int16 getScreenHeight() const { return _backSurface->h; }
Graphics::Surface *getBackSurface() const { return _backSurface; }
virtual void decompressSprite(SpriteDecompressQueueItem *item) = 0;
virtual void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags) = 0;
virtual void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count) = 0;
virtual void fillSurface(Graphics::Surface *surface, byte color) = 0;
virtual void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color) = 0;
virtual bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels) = 0;
public:
IllusionsEngine *_vm;
bool _displayOn;
uint16 _colorKey1;
uint16 _colorKey2;
SpriteDecompressQueue *_decompressQueue;
SpriteDrawQueue *_drawQueue;
Graphics::Surface *_backSurface;
bool _isScreenOffsetActive;
Common::Point _screenOffsetPt;
};
class Screen8Bit : public Screen {
public:
Screen8Bit(IllusionsEngine *vm, int16 width, int16 height) : Screen(vm, width, height, 8) {}
void decompressSprite(SpriteDecompressQueueItem *item);
void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags);
void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count);
void fillSurface(Graphics::Surface *surface, byte color);
void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color);
bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels);
public:
int16 drawChar(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 c);
void drawSurfaceUnscaled(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect);
void drawSurfaceScaled(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect);
};
class Screen16Bit : public Screen {
public:
Screen16Bit(IllusionsEngine *vm, int16 width, int16 height) : Screen(vm, width, height, 16) {}
void decompressSprite(SpriteDecompressQueueItem *item);
void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags);
void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count);
void fillSurface(Graphics::Surface *surface, byte color);
void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color);
bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels);
public:
int16 drawChar(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 c);
void drawSurface10(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey);
void drawSurface11(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect);
void drawSurface20(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey);
void drawSurface21(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect);
uint16 convertColor(byte color);
uint16 convertFontColor(byte color);
};
} // End of namespace Illusions
#endif // ILLUSIONS_SCREEN_H
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