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commandergenius/project/jni/application/gav/gav-0.9.0/FrameSeq.h
2010-11-12 13:32:08 +02:00

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2.4 KiB
C++

/* -*- C++ -*- */
/*
GAV - Gpl Arcade Volleyball
Copyright (C) 2002
GAV team (http://sourceforge.net/projects/gav/)
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __FRAMESEQ_H__
#define __FRAMESEQ_H__
#include <stdlib.h>
#include <SDL.h>
#include <SDL_image.h>
extern SDL_Surface *screen;
class FrameSeq {
protected:
SDL_Surface * _surface;
int _nframes;
int _width;
int _height;
void setSurfaceAndFrames(SDL_Surface *sfc, int nframes, bool useAlpha) {
_surface = SDL_DisplayFormat(sfc);
if ( useAlpha )
SDL_SetColorKey(_surface, SDL_SRCCOLORKEY,
(Uint32) SDL_MapRGB(screen->format, 0, 0, 0));
SDL_FreeSurface(sfc);
_nframes = nframes;
_width = _surface->w / _nframes;
_height = _surface->h;
}
public:
FrameSeq (const char * filename, int nframes, bool useAlpha) {
SDL_Surface * temp;
if ((temp = IMG_Load(filename)) == NULL) {
fprintf(stderr, "FrameSeq: cannot load %s\n", filename);
exit(-1);
}
setSurfaceAndFrames(temp, nframes, useAlpha);
}
FrameSeq(SDL_Surface *sfc, int nframes, bool useAlpha) {
setSurfaceAndFrames(sfc, nframes, useAlpha);
}
virtual ~FrameSeq() {
SDL_FreeSurface(_surface);
}
virtual SDL_Surface *surface() { return _surface; }
inline int width() { return _width; }
inline int height() { return _height; }
/* Blits an entire frame to screen */
virtual void blit(int idx, SDL_Surface * dest, SDL_Rect * rect);
/* Blits part of a frame to screen */
void blitRect(int idx, SDL_Surface * dest, SDL_Rect * rect);
bool collidesWith(FrameSeq *fs, int idx1, int idx2, SDL_Rect * rect1,
SDL_Rect * rect2);
virtual FrameSeq *getActualFrameSeq() { return this; } // bit ugly
virtual int screenWidth() { return _width; } // bit ugly
};
#endif