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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* By ElvenProgrammer aka Eugenio Favalli (umperio@users.sourceforge.net)
*/
#ifndef _IMAGE_H
#define _IMAGE_H
#include <allegro.h>
#include <string>
#include <vector>
#include <iostream>
#include "../log.h"
/**
* A class storing a single sprite in video memory if available,
* else as a refernece to a RLE_SPRITE in a datafile.
* The class stores the offsets needed to compensate the cropping
* operated by the grabber utility.
*/
class Image {
public:
/**
* Creates an Image
* @param offset_x is the x offset from where to start drawing
* @param offset_y is the y offset from where to start drawing
*/
Image(int offset_x, int offset_y);
/**
* Virtual function to draw a sprite
* @param dest is the destination bitmap on which to draw the sprite
* @param x is the horizontal position
* @param y is the vertical position
*/
virtual void draw(BITMAP *dest, int x, int y) = 0;
protected:
// From where to start drawing
int offset_x, offset_y;
};
/**
* A RLE sprite
*/
class RleImage : public Image {
public:
/**
* Creates a RleSprite
* @param src is a reference to a RLE_SPRITE in a datafile
* @param offset_x is the x offset from where to start drawing
* @param offset_y is the y offset from where to start drawing
*/
RleImage(RLE_SPRITE *src, int offset_x, int offset_y);
/**
* Destructor
*/
virtual ~RleImage();
/**
* Draws a sprite
*/
void draw(BITMAP *dest, int x, int y);
private:
// Reference to RLE_SPRITE
RLE_SPRITE *src;
};
/**
* An image stored in video memory
*/
class VideoImage : public Image {
private:
// Reference to bitmap stored in video memory
BITMAP *src;
public:
/**
* Creates a VideoImage
* @param src is a reference to a BITMAP in video memory
* @param offset_x is the x offset from where to start drawing
* @param offset_y is the y offset from where to start drawing
*/
VideoImage(BITMAP *src, int offset_x, int offset_y);
/**
* Destructor
*/
virtual ~VideoImage();
/**
* Draws a sprite
*/
void draw(BITMAP *dest, int x, int y);
};
/**
* Stores a complete set of sprites.
*/
class Spriteset {
public:
// Vector storing the whole spriteset.
std::vector<Image *> spriteset;
/**
* Load a datafile containing the spriteset
* @param filename is the path of the datafile
*/
Spriteset(std::string filename);
/*
* Cuts the passed bitmap in a grid of sub bitmaps.
*/
Spriteset::Spriteset(BITMAP *bmp, int width, int height);
/**
* Destructor
*/
~Spriteset();
private:
/**
* Helper function to get offset
* @param datafile is a reference to the whole spriteset
* @param type is the property of the datafile object
*/
int getProperty(DATAFILE *datafile, int type);
};
#endif
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