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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 MADS_MSURFACE_H
#define MADS_MSURFACE_H
#include "common/scummsys.h"
#include "common/rect.h"
#include "graphics/screen.h"
#include "mads/palette.h"
namespace MADS {
class MADSEngine;
class MSprite;
class DepthSurface;
/**
* Basic sprite information
*/
struct SpriteInfo {
MSprite *sprite;
int hotX, hotY;
int width, height;
int scaleX, scaleY;
uint8 encoding;
byte *inverseColorTable;
byte *palette;
};
/*
* Base MADS surface class. This derivces from Graphics::Screen
* because it has logic we'll need for our own Screen class that
* derives from this one
*/
class BaseSurface : public Graphics::Screen {
private:
/**
* Helper method for calculating new dimensions when scaling a sprite
*/
int scaleValue(int value, int scale, int err);
protected:
static MADSEngine *_vm;
public:
/**
* Sets the engine reference used all surfaces
*/
static void setVm(MADSEngine *vm) { _vm = vm; }
/**
* Base method for descendents to load their contents
*/
virtual void load(const Common::String &resName) {}
public:
/**
* Basic constructor
*/
BaseSurface() : Graphics::Screen(0, 0) {
free(); // Free the 0x0 surface allocated by Graphics::Screen
}
/**
* Constructor for a surface with fixed dimensions
*/
BaseSurface(int width, int height) : Graphics::Screen(width, height) {}
/**
* Destructor
*/
virtual ~BaseSurface() {}
/**
* Return a rect containing the bounds of the surface
*/
Common::Rect getBounds() { return Common::Rect(0, 0, this->w, this->h); }
/**
* Return the pixels for the surface
*/
inline byte *getPixels() { return (byte *)Graphics::ManagedSurface::getPixels(); }
/**
* Return the pixels for the surface
*/
inline const void *getPixels() const { return (const byte *)Graphics::ManagedSurface::getPixels(); }
/**
* Return a pointer to a given position on the surface
*/
byte *getBasePtr(int x, int y) { return (byte *)Graphics::ManagedSurface::getBasePtr(x, y); }
/**
* Return a pointer to a given position on the surface
*/
inline const byte *getBasePtr(int x, int y) const { return (const byte *)Graphics::ManagedSurface::getBasePtr(x, y); }
/**
* Draws a sprite
* @param pt Position to draw sprite at
* @param info General sprite details
* @param clipRect Clipping rectangle to constrain sprite drawing within
*/
void drawSprite(const Common::Point &pt, SpriteInfo &info, const Common::Rect &clipRect);
/**
* Scroll the screen horizontally by a given amount
* @param xAmount Horizontal amount
*/
void scrollX(int xAmount);
/**
* Scroll the screen vertically by a given amount
* @param yAmount Vertical amount
*/
void scrollY(int yAmount);
/**
* Translates the pixels of an image used the passed palette with RGB mapping
*/
void translate(Common::Array<RGB6> &palette);
/**
* Translates the pixels of an image used the passed palette with RGB mapping
*/
void translate(byte map[PALETTE_COUNT]);
/**
* Create a new surface which is a flipped horizontal copy of the current one
*/
BaseSurface *flipHorizontal() const;
/**
* Copy an area from one surface to another, translating it using a palette
* map as it's done
*/
void copyRectTranslate(BaseSurface &srcSurface, const byte *paletteMap,
const Common::Point &destPos, const Common::Rect &srcRect);
/**
* Copys a sub-section of another surface into the current one.
* @param src Source surface
* @param destPos Destination position to draw in current surface
* @param depth Depth of sprite
* @param depthSurface Depth surface to use with sprite depth
* @param scale Scale for image
* @param flipped Flag for whether image is to be flipped
* @param transparentColor Transparency palette index
*/
void copyFrom(BaseSurface &src, const Common::Point &destPos, int depth, DepthSurface *depthSurface,
int scale, bool flipped, int transparentColor = -1);
};
class MSurface : public BaseSurface {
protected:
/**
* Override the addDirtyRect from Graphics::Screen, since for standard
* surfaces we don't need dirty rects to be tracked
*/
virtual void addDirtyRect(const Common::Rect &r) {}
public:
MSurface() : BaseSurface() {}
MSurface(int width, int height) : BaseSurface(width, height) {}
};
class DepthSurface : public MSurface {
public:
/**
* Depth style
*/
int _depthStyle;
/**
* Constructor
*/
DepthSurface() : MSurface(), _depthStyle(0) {}
/**
* Returns the depth at a given position
*/
int getDepth(const Common::Point &pt);
/**
*/
int getDepthHighBit(const Common::Point &pt);
};
} // End of namespace MADS
#endif /* MADS_MSURFACE_H */
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