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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/surface.h"
#include "mads/palette.h"
namespace MADS {
class MADSEngine;
class MSprite;
/**
* Basic sprite information
*/
struct SpriteInfo {
MSprite *sprite;
int hotX, hotY;
int width, height;
int scaleX, scaleY;
uint8 encoding;
byte *inverseColorTable;
byte *palette;
};
/*
* MADS graphics surface
*/
class MSurface : public Graphics::Surface {
private:
bool _freeFlag;
protected:
static MADSEngine *_vm;
public:
/**
* Sets the engine refrence used all surfaces
*/
static void setVm(MADSEngine *vm) { _vm = vm; }
/**
* Helper method for calculating new dimensions when scaling a sprite
*/
static int scaleValue(int value, int scale, int err);
public:
/**
* Basic constructor
*/
MSurface();
/**
* Constructor for a surface with fixed dimensions
*/
MSurface(int width, int height);
/**
* Destructor
*/
virtual ~MSurface();
/**
* Reinitialises a surface to have a given set of dimensions
*/
void setSize(int width, int height);
/**
* Sets the pixels the surface is associated with
* @remarks The surface will not free the data block
*/
void setPixels(byte *pData, int horizSize, int vertSize);
/**
* Draws an arbitrary line on the screen using a specified color
* @param startPos Starting position
* @param endPos Ending position
* @param color Color to use
*/
void line(const Common::Point &startPos, const Common::Point &endPos, byte color);
/**
* 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);
/**
* Returns the width of the surface
*/
int getWidth() const { return w; }
/**
* Returns the height of the surface
*/
int getHeight() const { return h; }
/**
* Returns the size of the surface as a Rect
*/
Common::Rect getBounds() const {
return Common::Rect(0, 0, w, h);
}
/**
* Returns a pointer to the surface data
*/
byte *getData() { return (byte *)Graphics::Surface::getPixels(); }
/**
* Returns a pointer to a given position within the surface
*/
byte *getBasePtr(int x, int y) { return (byte *)Graphics::Surface::getBasePtr(x, y); }
/**
* Returns a pointer to a given position within the surface
*/
const byte *getBasePtr(int x, int y) const { return (const byte *)Graphics::Surface::getBasePtr(x, y); }
/**
* Clears the surface
*/
void empty();
/**
* Copys a sub-section of another surface into the current one.
* @param src Source surface
* @param srcBounds Area of source surface to copy
* @param destPos Destination position to draw in current surface
* @param transparentColor Transparency palette index
*/
void copyFrom(MSurface *src, const Common::Rect &srcBounds, const Common::Point &destPos,
int transparentColor = -1);
/**
* 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 transparentColor Transparency palette index
*/
void copyFrom(MSurface *src, const Common::Point &destPos, int depth, MSurface *depthSurface,
int scale, int transparentColor = -1);
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(w, h), Common::Point(), transparentColor);
}
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, const Common::Point &pt, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(w, h), pt, transparentColor);
}
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, const Common::Rect &srcBounds, const Common::Point &destPos,
int transparentColor = -1) {
dest->copyFrom(this, srcBounds, destPos, transparentColor);
}
/**
* 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);
/**
* Create a new surface which is a flipped horizontal copy of the current one
*/
MSurface *flipHorizontal() const;
};
class DepthSurface : public MSurface {
private:
MADSEngine *_vm;
public:
/**
* Constructor
*/
DepthSurface(MADSEngine *vm) : _vm(vm) {}
/**
* 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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