mirror of
https://github.com/libretro/scummvm.git
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230 lines
9.1 KiB
C++
230 lines
9.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef ILLUSIONS_SCREEN_H
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#define ILLUSIONS_SCREEN_H
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#include "illusions/graphics.h"
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#include "common/list.h"
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#include "common/rect.h"
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#include "graphics/surface.h"
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namespace Illusions {
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class IllusionsEngine;
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class FontResource;
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struct SpriteDecompressQueueItem {
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byte *_drawFlags;
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uint32 _flags;
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uint32 _field8;
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WidthHeight _dimensions;
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byte *_compressedPixels;
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Graphics::Surface *_surface;
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};
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class SpriteDecompressQueue {
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public:
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SpriteDecompressQueue(Screen *screen);
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~SpriteDecompressQueue();
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void insert(byte *drawFlags, uint32 flags, uint32 field8, WidthHeight &dimensions,
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byte *compressedPixels, Graphics::Surface *surface);
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void decompressAll();
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protected:
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typedef Common::List<SpriteDecompressQueueItem*> SpriteDecompressQueueList;
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typedef SpriteDecompressQueueList::iterator SpriteDecompressQueueListIterator;
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Screen *_screen;
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SpriteDecompressQueueList _queue;
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void decompress(SpriteDecompressQueueItem *item);
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};
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struct SpriteDrawQueueItem {
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byte *_drawFlags;
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int16 _kind;
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int16 _scale;
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uint16 _flags;
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uint32 _priority;
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Graphics::Surface *_surface;
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WidthHeight _dimensions;
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Common::Point _drawPosition;
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Common::Point _controlPosition;
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};
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class SpriteDrawQueue {
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public:
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SpriteDrawQueue(Screen *screen);
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~SpriteDrawQueue();
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bool draw(SpriteDrawQueueItem *item);
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void drawAll();
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void insertSprite(byte *drawFlags, Graphics::Surface *surface, WidthHeight &dimensions,
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Common::Point &drawPosition, Common::Point &controlPosition, uint32 priority, int16 scale, uint16 flags);
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void insertSurface(Graphics::Surface *surface, WidthHeight &dimensions,
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Common::Point &drawPosition, uint32 priority);
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void insertTextSurface(Graphics::Surface *surface, WidthHeight &dimensions,
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Common::Point &drawPosition, uint32 priority);
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protected:
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typedef Common::List<SpriteDrawQueueItem*> SpriteDrawQueueList;
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typedef SpriteDrawQueueList::iterator SpriteDrawQueueListIterator;
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struct FindInsertionPosition : public Common::UnaryFunction<const SpriteDrawQueueItem*, bool> {
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uint32 _priority;
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FindInsertionPosition(uint32 priority) : _priority(priority) {}
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bool operator()(const SpriteDrawQueueItem *item) const {
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return item->_priority >= _priority;
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}
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};
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Screen *_screen;
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SpriteDrawQueueList _queue;
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void insert(SpriteDrawQueueItem *item, uint32 priority);
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bool calcItemRect(SpriteDrawQueueItem *item, Common::Rect &srcRect, Common::Rect &dstRect);
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};
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struct Fader {
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bool _active;
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int _currValue;
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bool _paused;
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int _minValue;
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int _maxValue;
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int _firstIndex;
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int _lastIndex;
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uint32 _startTime;
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int _duration;
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uint32 _notifyThreadId;
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Fader() : _active(false), _paused(false) {}
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};
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class ScreenPaletteBase {
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public:
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virtual ~ScreenPaletteBase() {};
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virtual void setPalette(byte *colors, uint start, uint count) {};
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virtual void setPaletteEntry(int16 index, byte r, byte g, byte b) {};
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virtual void getPalette(byte *colors) {};
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virtual void shiftPalette(int16 fromIndex, int16 toIndex) {};
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virtual void updatePalette() {};
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virtual void updateFaderPalette() {};
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virtual void setFader(int newValue, int firstIndex, int lastIndex) {};
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virtual bool isFaderActive() const { return false; }
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virtual const byte* getColorTransTbl() const { return 0; }
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};
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class ScreenPalette : public ScreenPaletteBase {
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public:
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ScreenPalette(IllusionsEngine *vm);
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void setPalette(byte *colors, uint start, uint count) override;
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void setPaletteEntry(int16 index, byte r, byte g, byte b) override;
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void getPalette(byte *colors) override;
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void shiftPalette(int16 fromIndex, int16 toIndex) override;
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void updatePalette() override;
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void updateFaderPalette() override;
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void setFader(int newValue, int firstIndex, int lastIndex) override;
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bool isFaderActive() const override { return _isFaderActive; }
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const byte* getColorTransTbl() const override { return _colorTransTbl; }
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protected:
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IllusionsEngine *_vm;
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bool _needRefreshPalette;
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byte _mainPalette[768];
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byte _colorTransTbl[256];
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bool _isFaderActive;
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byte _faderPalette[768];
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int _newFaderValue, _firstFaderIndex, _lastFaderIndex;
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void setSystemPalette(byte *palette);
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void buildColorTransTbl();
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};
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class NullScreenPalette : public ScreenPaletteBase {
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};
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class Screen {
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public:
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Screen(IllusionsEngine *vm, int16 width, int16 height, int bpp);
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virtual ~Screen();
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Graphics::Surface *allocSurface(int16 width, int16 height);
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Graphics::Surface *allocSurface(SurfInfo &surfInfo);
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bool isDisplayOn();
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void setDisplayOn(bool isOn);
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void setScreenOffset(Common::Point offsPt);
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void updateSprites();
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void clearScreenOffsetAreas();
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uint16 getColorKey1() const { return _colorKey1; }
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void setColorKey1(uint16 colorKey) { _colorKey1 = colorKey; }
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uint16 getColorKey2() const { return _colorKey2; }
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int16 getScreenWidth() const { return _backSurface->w; }
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int16 getScreenHeight() const { return _backSurface->h; }
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Graphics::Surface *getBackSurface() const { return _backSurface; }
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virtual void decompressSprite(SpriteDecompressQueueItem *item) = 0;
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virtual void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags) = 0;
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virtual void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count) = 0;
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virtual void fillSurface(Graphics::Surface *surface, byte color) = 0;
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virtual void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color) = 0;
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virtual bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
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const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels) = 0;
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public:
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IllusionsEngine *_vm;
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bool _displayOn;
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uint16 _colorKey1;
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uint16 _colorKey2;
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SpriteDecompressQueue *_decompressQueue;
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SpriteDrawQueue *_drawQueue;
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Graphics::Surface *_backSurface;
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bool _isScreenOffsetActive;
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Common::Point _screenOffsetPt;
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};
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class Screen8Bit : public Screen {
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public:
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Screen8Bit(IllusionsEngine *vm, int16 width, int16 height) : Screen(vm, width, height, 8) {}
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void decompressSprite(SpriteDecompressQueueItem *item) override;
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void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags) override;
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void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count) override;
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void fillSurface(Graphics::Surface *surface, byte color) override;
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void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color) override;
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bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
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const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels) override;
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public:
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int16 drawChar(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 c);
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void drawSurfaceUnscaled(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect);
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void drawSurfaceScaled(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect);
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};
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class Screen16Bit : public Screen {
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public:
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Screen16Bit(IllusionsEngine *vm, int16 width, int16 height) : Screen(vm, width, height, 16) {}
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void decompressSprite(SpriteDecompressQueueItem *item) override;
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void drawSurface(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, int16 scale, uint32 flags) override;
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void drawText(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 *text, uint count) override;
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void fillSurface(Graphics::Surface *surface, byte color) override;
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void fillSurfaceRect(Graphics::Surface *surface, Common::Rect r, byte color) override;
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bool isSpritePixelSolid(Common::Point &testPt, Common::Point &drawPosition, Common::Point &drawOffset,
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const SurfInfo &surfInfo, int16 scale, uint flags, byte *compressedPixels) override;
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public:
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int16 drawChar(FontResource *font, Graphics::Surface *surface, int16 x, int16 y, uint16 c);
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void drawSurface10(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey);
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void drawSurface11(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect);
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void drawSurface20(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey);
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void drawSurface21(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect);
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uint16 convertColor(byte color);
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uint16 convertFontColor(byte color);
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};
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} // End of namespace Illusions
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#endif // ILLUSIONS_SCREEN_H
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