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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 STARTREK_GRAPHICS_H
#define STARTREK_GRAPHICS_H
#include "startrek/bitmap.h"
#include "startrek/font.h"
#include "startrek/startrek.h"
#include "startrek/sprite.h"
#include "common/ptr.h"
#include "common/rect.h"
#include "common/stream.h"
using Common::SharedPtr;
using Common::String;
namespace StarTrek {
class Font;
class StarTrekEngine;
const int SCREEN_WIDTH = 320;
const int SCREEN_HEIGHT = 200;
const int MAX_SPRITES = 32;
class Graphics {
public:
Graphics(StarTrekEngine *vm);
~Graphics();
void setBackgroundImage(SharedPtr<Bitmap> bitmap);
/**
* @param origRect The rectangle containing the original bitmap (must contain the
* whole bitmap, even if some is outside the drawable space)
* @param drawRect The clipped rectangle to draw at (must be within the drawable space)
*/
void drawBitmapToBackground(const Common::Rect &origRect, const Common::Rect &drawRect, Bitmap *bitmap);
void fillBackgroundRect(const Common::Rect &rect, byte color);
byte *getBackgroundPixels();
byte *lockScreenPixels();
void unlockScreenPixels();
void clearScreenAndPriBuffer();
/**
* Note: this doesn't flush the palette to the screen (must call "setPaletteFadeLevel")
*/
void loadPalette(const String &paletteFile);
void copyRectBetweenBitmaps(Bitmap *destBitmap, int destX, int destY, Bitmap *srcBitmap, int srcX, int srcY, int width, int height);
void fadeinScreen();
void fadeoutScreen();
/**
* This flushes the palette to the screen. fadeLevel ranges from 0-100.
*/
void setPaletteFadeLevel(byte *palData, int fadeLevel);
void incPaletteFadeLevel();
void decPaletteFadeLevel();
void loadPri(const Common::String &priFile);
void clearPri();
void setPri(byte val);
byte getPriValue(int x, int y);
SharedPtr<Bitmap> loadBitmap(String basename);
Common::Point getMousePos();
/**
* Changes the mouse bitmap. The change won't take effect until drawAllSprites is
* called again.
*/
void setMouseBitmap(SharedPtr<Bitmap> bitmap);
/**
* This function is a workaround for when the mouse position needs to be locked in a set
* position (used in the action menu). This only affects the position it is drawn at; the
* sprite's "real" position is still updated normally.
*
* This does not call updateScreen.
*/
void lockMousePosition(int16 x, int16 y);
void unlockMousePosition();
SharedPtr<Bitmap> getMouseBitmap();
void warpMouse(int16 x, int16 y);
void drawSprite(const Sprite &sprite, ::Graphics::Surface *surface);
/**
* @param sprite The sprite to draw
* @param surface The surface to draw to
* @param rect The part of the sprite to draw (only draw the part of the sprite that
* intersects with it)
@ @param rectLeft X-offset to subtract before drawing to surface.
@ @param rectTop Y-offset to subtract before drawing to surface.
*/
void drawSprite(const Sprite &sprite, ::Graphics::Surface *surface, const Common::Rect &rect, int rectLeft = 0, int rectTop = 0);
void drawAllSprites(bool updateScreenFlag = true);
/**
* This function should only be called after "drawAllSprites" (so that sprite rects
* are updated).
*/
void drawAllSpritesInRectToSurface(const Common::Rect &rect, ::Graphics::Surface *surface);
/**
* Sets "bitmapChanged" to true on all sprites before calling drawAllSprites.
*/
void forceDrawAllSprites(bool updateScreenFlag = true);
/**
* Flushes the screen. Usually called by "drawAllSprites".
*/
void updateScreen();
/**
* Returns the sprite at the given position (ignores mouse).
*/
Sprite *getSpriteAt(int16 x, int16 y);
Sprite *getSpriteAt(Common::Point p) {
return getSpriteAt(p.x, p.y);
}
void addSprite(Sprite *sprite);
void delSprite(Sprite *sprite);
// Save/load the current state of sprites. Can only push once for now.
void pushSprites();
void popSprites();
byte *getFontGfx(char c);
void copyBackgroundScreen();
void drawDirectToScreen(SharedPtr<Bitmap> bitmap);
void loadEGAData(const char *egaFile);
void drawBackgroundImage(const char *filename);
public:
Font *_font;
private:
StarTrekEngine *_vm;
bool _egaMode;
byte *_egaData;
byte *_palData;
byte *_lutData;
byte _priData[SCREEN_WIDTH * SCREEN_HEIGHT / 2];
int16 _paletteFadeLevel;
Common::Rect _screenRect;
SharedPtr<Bitmap> _backgroundImage;
Sprite *_sprites[MAX_SPRITES];
int _numSprites;
// Analagous to above, used when pushing/popping
Sprite *_pushedSprites[MAX_SPRITES];
int _pushedNumSprites;
// Any changes to the mouse image are buffered until the next time "drawAllSprites" is
// called (since the original game treats it like a sprite).
bool _mouseToBeShown;
bool _mouseToBeHidden;
int16 _mouseWarpX, _mouseWarpY;
SharedPtr<Bitmap> _mouseBitmapLastFrame;
SharedPtr<Bitmap> _mouseBitmap;
// These are used as a workaround for when the mouse position must be locked.
// The mouse is turned into a native game sprite when this happens.
bool _mouseLocked;
Sprite _lockedMouseSprite;
public:
};
} // End of namespace StarTrek
#endif
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