217 lines
8.5 KiB
C++
217 lines
8.5 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ASYLUM_SYSTEM_SCREEN_H
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#define ASYLUM_SYSTEM_SCREEN_H
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#include "common/array.h"
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#include "common/queue.h"
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#include "common/rect.h"
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#include "graphics/surface.h"
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#include "asylum/shared.h"
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namespace Asylum {
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#define PALETTE_SIZE (256 * 3)
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class AsylumEngine;
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class GraphicResource;
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class ResourcePack;
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struct GraphicFrame;
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enum GraphicItemType {
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kGraphicItemNormal = 1,
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kGraphicItemMasked = 5
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};
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typedef struct GraphicQueueItem {
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int32 priority;
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GraphicItemType type;
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ResourceId resourceId;
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uint32 frameIndex;
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Common::Point source;
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ResourceId resourceIdDestination;
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Common::Point destination;
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DrawFlags flags;
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int32 transTableNum;
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GraphicQueueItem() {
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priority = 0;
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type = kGraphicItemNormal;
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resourceId = kResourceNone;
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frameIndex = 0;
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resourceIdDestination = kResourceNone;
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flags = kDrawFlagNone;
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transTableNum = 0;
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}
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} GraphicQueueItem;
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struct FadeParameters {
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ResourceId resourceId;
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int ticksWait;
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int delta;
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uint nextTick;
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int step;
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};
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class Screen {
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public:
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Screen(AsylumEngine *_vm);
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~Screen();
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// Drawing
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void draw(ResourceId resourceId);
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void draw(ResourceId resourceId, uint32 frameIndex, const Common::Point &source, DrawFlags flags = kDrawFlagNone, bool colorKey = true);
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void draw(ResourceId resourceId, uint32 frameIndex, const int16 (*srcPtr)[2], DrawFlags flags = kDrawFlagNone, bool colorKey = true);
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void draw(GraphicResource *resource, uint32 frameIndex, const Common::Point &source, DrawFlags flags = kDrawFlagNone, bool colorKey = true);
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void drawTransparent(ResourceId resourceId, uint32 frameIndex, const Common::Point &source, DrawFlags flags, uint32 transTableNum);
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void drawTransparent(GraphicResource *resource, uint32 frameIndex, const Common::Point &source, DrawFlags flags, uint32 transTableNum);
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void draw(ResourceId resourceId, uint32 frameIndex, const Common::Point &source, DrawFlags flags, ResourceId resourceId2, const Common::Point &destination, bool colorKey = true);
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void draw(const Graphics::Surface &surface, int x, int y);
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// Misc
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void clear();
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void clearDefaultColor() { memset(_mainPalette, 0, 3); setupPalette(NULL, 0, 0); }
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void drawWideScreenBars(int16 barSize) const;
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void fillRect(int16 x, int16 y, int16 x2, int16 y2, uint32 color);
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void copyBackBufferToScreen();
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void setFlag(int16 val) { _flag = (val < -1) ? -1 : val; }
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int16 getFlag() { return _flag; }
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// Palette
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void setPalette(ResourceId id);
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const byte *getPalette() { return _mainPalette; }
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void setMainPalette(const byte *data);
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void loadGrayPalette();
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void updatePalette();
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void updatePalette(int32 param);
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void setupPalette(byte *buffer, int start, int count);
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bool isFading() { return _isFading; }
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void queuePaletteFade(ResourceId resourceId, int32 ticksWait, int32 delta);
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void paletteFade(uint32 start, int32 ticksWait, int32 delta);
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void stopPaletteFade(char red, char green, char blue);
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void stopPaletteFadeAndSet(ResourceId id, int32 ticksWait, int32 delta);
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void processPaletteFadeQueue();
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// Gamma
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void setPaletteGamma(ResourceId id);
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void setGammaLevel(ResourceId id);
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// Transparency tables
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void setupTransTable(ResourceId resourceId);
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void setupTransTables(uint32 count, ...);
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void selectTransTable(uint32 index);
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// Graphic queue
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void addGraphicToQueue(ResourceId resourceId, uint32 frameIndex, const Common::Point &point, DrawFlags flags, int32 transTableNum, int32 priority);
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void addGraphicToQueue(ResourceId resourceId, uint32 frameIndex, const int16 (*pointPtr)[2], DrawFlags flags, int32 transTableNum, int32 priority);
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void addGraphicToQueueCrossfade(ResourceId resourceId, uint32 frameIndex, const Common::Point &source, int32 objectResourceId, const Common::Point &destination, uint32 transTableNum);
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void addGraphicToQueueMasked(ResourceId resourceId, uint32 frameIndex, const Common::Point &source, int32 objectResourceId, const Common::Point &destination, DrawFlags flags, int32 priority);
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void addGraphicToQueue(GraphicQueueItem const &item);
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void drawGraphicsInQueue();
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void clearGraphicsInQueue();
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void deleteGraphicFromQueue(ResourceId resourceId);
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bool isGraphicQueueEmpty() { return _queueItems.empty(); }
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// Used by Video
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void copyToBackBuffer(const byte *buffer, int32 pitch, int16 x, int16 y, uint16 width, uint16 height, bool mirrored = false);
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// Debug
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void drawLine(const Common::Point &source, const Common::Point &destination, uint32 color = 0xFF);
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void drawLine(const int16 (*srcPtr)[2], const int16 (*dstPtr)[2], uint32 color = 0xFF);
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void drawRect(const Common::Rect &rect, uint32 color = 0xFF);
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void copyToBackBufferClipped(Graphics::Surface *surface, int16 x, int16 y);
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// Used by Writings puzzle and Chinese renderer
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Graphics::Surface *getSurface() { return &_backBuffer; };
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private:
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AsylumEngine *_vm;
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Graphics::Surface _backBuffer;
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Common::Rect _clipRect;
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Common::Array<GraphicQueueItem> _queueItems;
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int16 _flag;
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bool _useColorKey;
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// Transparency tables
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uint32 _transTableCount;
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byte *_transTable;
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byte *_transTableBuffer;
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void clearTransTables();
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// Palette
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byte _currentPalette[PALETTE_SIZE];
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byte _mainPalette[PALETTE_SIZE];
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byte _fromPalette[PALETTE_SIZE];
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byte _toPalette[PALETTE_SIZE];
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bool _isFading;
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bool _fadeStop;
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Common::Queue<FadeParameters> _fadeQueue;
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byte *getPaletteData(ResourceId id);
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void setPaletteGamma(byte *data, byte *target = NULL);
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void stopQueuedPaletteFade();
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void initQueuedPaletteFade(ResourceId id, int32 delta);
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void runQueuedPaletteFade(ResourceId id, int32 delta, int i);
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// Graphic queue
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static bool graphicQueueItemComparator(const GraphicQueueItem &item1, const GraphicQueueItem &item2);
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// Misc
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void clip(Common::Rect *source, Common::Rect *destination, int32 flags) const;
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void draw(GraphicResource *resource, uint32 frameIndex, const Common::Point &source, DrawFlags flags, ResourceId resourceId2, const Common::Point &destination, bool colorKey = true);
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// Screen blitting
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void blit(GraphicFrame *frame, Common::Rect *source, Common::Rect *destination, int32 flags);
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void blitMasked(GraphicFrame *frame, Common::Rect *source, byte *maskData, Common::Rect *sourceMask, Common::Rect *destMask, uint16 maskWidth, Common::Rect *destination, int32 flags);
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void blitTranstable (byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitTranstableMirrored(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitMirrored (byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitMirroredColorKey (byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitRaw (byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitRawColorKey (byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch) const;
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void blitCrossfade (byte *dstBuffer, byte *srcBuffer, byte *objectBuffer, int16 height, int16 width, uint16 srcPitch, uint16 dstPitch, uint16 objectPitch) const;
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void bltMasked (byte *srcBuffer, byte *maskBuffer, int16 height, int16 width, uint16 srcPitch, uint16 maskPitch, byte zoom, byte *dstBuffer, uint16 dstPitch) const;
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// DirectDraw-equivalent functions
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void blt(Common::Rect *dest, GraphicFrame *frame, Common::Rect *source, int32 flags);
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void bltFast(int16 dX, int16 dY, GraphicFrame *frame, Common::Rect *source);
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void copyToBackBufferWithTransparency(byte *buffer, int32 pitch, int16 x, int16 y, uint16 width, uint16 height, bool mirrored = false);
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// Debug
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void drawZoomedMask(byte *mask, uint16 height, uint16 width, uint16 maskPitch);
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};
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} // end of namespace Asylum
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#endif // ASYLUM_SYSTEM_SCREEN_H
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