/*
* 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 {
protected:
// From where to start drawing
int offset_x, offset_y;
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) {
this->offset_x = offset_x;
this->offset_y = 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;
};
/*
* A RLE sprite
*/
class RleImage : public Image {
private:
// Refernce to RLE_SPRITE
RLE_SPRITE *src;
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) : Image(offset_x, offset_y) {
this->src = src;
}
/*
* Destroy a RleSprite
*/
virtual ~RleImage() {
destroy_rle_sprite(src);
}
/*
* Draw a sprite
*/
void draw(BITMAP *dest, int x, int y) {
draw_rle_sprite(dest, src, x+offset_x, y+offset_y);
}
};
/*
* 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) : Image(offset_x, offset_y) {
this->src = src;
}
/*
* Destroy a VideoImage
*/
virtual ~VideoImage() {
destroy_bitmap(src);
}
/*
* Draw a sprite
*/
void draw(BITMAP *dest, int x, int y) {
masked_blit(src, dest, 0, 0, x+offset_x, y+offset_y, src->w, src->h);
}
};
/*
* Stores a complete set of sprites.
*/
class 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 get_property(DATAFILE *datafile, int type) {
return atoi(get_datafile_property(datafile, type));
}
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) {
DATAFILE *datafile = load_datafile(filename.c_str());
if(!datafile)error("Unable to load graphic file: " + filename);
int i = 0;
while(datafile[i].type!=DAT_END) {
Image *temp_image;
if(gfx_capabilities & GFX_HW_VRAM_BLIT) {
BITMAP *temp_video_bitmap = create_video_bitmap(
((RLE_SPRITE *)datafile[i].dat)->w,
((RLE_SPRITE *)datafile[i].dat)->h);
if(temp_video_bitmap) {
clear_to_color(temp_video_bitmap, makecol(255,0,255));
draw_rle_sprite(temp_video_bitmap,
(RLE_SPRITE *)datafile[i].dat, 0, 0);
temp_image = new VideoImage(temp_video_bitmap,
get_property(&datafile[i], DAT_ID('X','C','R','P')),
get_property(&datafile[i], DAT_ID('Y','C','R','P')));
} else {
warning("You ran out of video memory!");
temp_image = new RleImage(
(RLE_SPRITE*)datafile[i].dat,
get_property(&datafile[i], DAT_ID('X','C','R','P')),
get_property(&datafile[i], DAT_ID('Y','C','R','P')));
}
} else {
temp_image = new RleImage(
(RLE_SPRITE*)datafile[i].dat,
get_property(&datafile[i], DAT_ID('X','C','R','P')),
get_property(&datafile[i], DAT_ID('Y','C','R','P')));
}
spriteset.push_back(temp_image);
i++;
}
}
};
#endif
