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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.
*
* $URL$
* $Id$
*
*/
#ifndef MOHAWK_GRAPHICS_H
#define MOHAWK_GRAPHICS_H
#include "mohawk/bitmap.h"
#include "mohawk/livingbooks.h"
#include "common/file.h"
#include "common/hashmap.h"
#include "graphics/pict.h"
#include "graphics/video/codecs/mjpeg.h"
namespace Mohawk {
class MohawkEngine_Myst;
class MohawkEngine_Riven;
class MohawkBitmap;
class MystBitmap;
enum RectState{
kRectEnabled,
kRectDisabled,
kRectUnreachable
};
class MohawkSurface {
public:
MohawkSurface();
MohawkSurface(Graphics::Surface *surface, byte *palette = NULL, int offsetX = 0, int offsetY = 0);
~MohawkSurface();
// getSurface() returns the surface in the current format
// This will be the initial format unless convertToTrueColor() is called
Graphics::Surface *getSurface() const { return _surface; }
byte *getPalette() const { return _palette; }
// Convert the 8bpp image to the current screen format
// Does nothing if _surface is already >8bpp
void convertToTrueColor();
// Functions for OldMohawkBitmap offsets
// They both default to 0
int getOffsetX() const { return _offsetX; }
int getOffsetY() const { return _offsetY; }
void setOffsetX(int x) { _offsetX = x; }
void setOffsetY(int y) { _offsetY = y; }
private:
Graphics::Surface *_surface;
byte *_palette;
int _offsetX, _offsetY;
};
class GraphicsManager {
public:
GraphicsManager();
virtual ~GraphicsManager();
// Free all surfaces in the cache
void clearCache();
protected:
// findImage will search the cache to find the image.
// If not found, it will call decodeImage to get a new one.
MohawkSurface *findImage(uint16 id);
// decodeImage will always return a new image.
virtual MohawkSurface *decodeImage(uint16 id) = 0;
private:
// An image cache that stores images until clearCache() is called
Common::HashMap<uint16, MohawkSurface*> _cache;
};
class MystGraphics : public GraphicsManager {
public:
MystGraphics(MohawkEngine_Myst*);
~MystGraphics();
void loadExternalPictureFile(uint16 stack);
void copyImageSectionToScreen(uint16 image, Common::Rect src, Common::Rect dest);
void copyImageToScreen(uint16 image, Common::Rect dest);
void updateScreen();
void runTransition(uint16 type, Common::Rect rect, uint16 steps, uint16 delay);
void drawRect(Common::Rect rect, RectState state);
protected:
MohawkSurface *decodeImage(uint16 id);
private:
MohawkEngine_Myst *_vm;
MystBitmap *_bmpDecoder;
Graphics::PictDecoder *_pictDecoder;
Graphics::JPEGDecoder *_jpegDecoder;
struct PictureFile {
uint32 pictureCount;
struct PictureEntry {
uint32 offset;
uint32 size;
uint16 id;
uint16 type;
uint16 width;
uint16 height;
} *entries;
Common::File picFile;
} _pictureFile;
Graphics::Surface *_mainScreen;
Common::Array<Common::Rect> _dirtyRects;
Graphics::PixelFormat _pixelFormat;
};
struct SFXERecord {
// Record values
uint16 frameCount;
Common::Rect rect;
uint16 speed;
Common::Array<Common::SeekableReadStream*> frameScripts;
// Cur frame
uint16 curFrame;
uint32 lastFrameTime;
};
class RivenGraphics : public GraphicsManager {
public:
RivenGraphics(MohawkEngine_Riven *vm);
~RivenGraphics();
void copyImageToScreen(uint16, uint32, uint32, uint32, uint32);
void updateScreen();
bool _updatesEnabled;
Common::Array<uint16> _activatedPLSTs;
void drawPLST(uint16 x);
void drawRect(Common::Rect rect, bool active);
void drawImageRect(uint16 id, Common::Rect srcRect, Common::Rect dstRect);
void drawExtrasImage(uint16 id, Common::Rect dstRect);
// Water Effect
void scheduleWaterEffect(uint16);
void clearWaterEffects();
bool runScheduledWaterEffects();
// Transitions
void scheduleTransition(uint16 id, Common::Rect rect = Common::Rect(0, 0, 608, 392));
void runScheduledTransition();
// Inventory
void showInventory();
void hideInventory();
protected:
MohawkSurface *decodeImage(uint16 id);
private:
MohawkEngine_Riven *_vm;
MohawkBitmap *_bitmapDecoder;
// Water Effects
Common::Array<SFXERecord> _waterEffects;
// Transitions
int16 _scheduledTransition;
Common::Rect _transitionRect;
// Inventory
void clearInventoryArea();
void drawInventoryImage(uint16 id, const Common::Rect *rect);
bool _inventoryDrawn;
// Screen Related
Graphics::Surface *_mainScreen;
bool _dirtyScreen;
Graphics::PixelFormat _pixelFormat;
};
class LBGraphics : public GraphicsManager {
public:
LBGraphics(MohawkEngine_LivingBooks *vm, uint16 width, uint16 height);
~LBGraphics();
void preloadImage(uint16 image);
void copyImageToScreen(uint16 image, bool useOffsets = false, int left = 0, int top = 0);
void setPalette(uint16 id);
bool imageIsTransparentAt(uint16 image, bool useOffsets, int x, int y);
protected:
MohawkSurface *decodeImage(uint16 id);
private:
MohawkBitmap *_bmpDecoder;
MohawkEngine_LivingBooks *_vm;
};
} // End of namespace Mohawk
#endif
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