void Blob::eventBlit(SDL_Surface* surface, const PG_Rect& scr, const PG_Rect& dst){
PG_ThemeWidget::eventBlit(explosion_surface, scr, dst);
if ( vmem1 != (unsigned char *)explosion_surface->pixels )
{
p1= vmem1=(unsigned char *)explosion_surface->pixels;
for (int i=0;i<YSIZE;i++)
{
mul640[i]=i*explosion_surface->pitch+vmem1;
memset(p1,0,XSIZE);
p1+=explosion_surface->pitch;
}
}
now++;
if(!flash)
{
if(explodenum>96 && explodenum<160 && !(rand()&511))
flash=60;
}
else
--flash;
explodenum=(now>>4)+1;
if(explodenum==320)
now=0;
if(explodenum>256)
explodenum=256;
if(!(rand()&31))
addblob();
moveblobs();
putblobs();
p1=vmem1;
p2=vmem2;
int k=explosion_surface->pitch;
for(int i=0;i<YSIZE;i++)
{
memcpy(p2,p1,XSIZE);
p2+=XSIZE;
p1+=k;
}
fire(vmem2,vmem1,k,flash ? remap2 :remap);
}
main(int argc, char *argv[])
{
int i,k;
char *remap,*remap2;
unsigned char *p1, *p2;
long frames;
int flash;
int whichmap;
int key;
int ispaused;
unsigned long videoflags;
int done;
int now;
SDL_Event event;
long starttime;
int buttonstate;
srand(time(NULL));
if ( SDL_Init(SDL_INIT_VIDEO) < 0 )
{
fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
exit(1);
}
videoflags = SDL_SWSURFACE|SDL_FULLSCREEN|SDL_HWPALETTE;
thescreen = SDL_SetVideoMode(XSIZE, YSIZE, 8, videoflags);
if ( thescreen == NULL )
{
fprintf(stderr, "Couldn't set display mode: %s\n",
SDL_GetError());
SDL_Quit();
exit(5);
}
vmem1=NULL;
vmem2=malloc(XSIZE*YSIZE);
if(!vmem2) nomem();
mul640=malloc(YSIZE*sizeof(char *));
if(!mul640) nomem();
remap=malloc(16384);
if(!remap) nomem();
remap2=malloc(16384);
if(!remap2) nomem();
blobs=malloc(MAXBLOBS*sizeof(struct blob));
if(!blobs) nomem();
puts("Fire demo by David Ashley ([email protected])");
puts("1 = Change color map");
puts("2 = Randomly change color map");
puts("p = Pause");
puts("spc = Fire");
puts("esc = Exit");
puts("Left mouse button = paint");
puts("Right mouse button, CR = ignite atmosphere");
freeblobs=activeblobs=0;
for(i=0;i<MAXBLOBS;i++)
{
blobs[i].blobnext=freeblobs;
freeblobs=blobs+i;
}
normal(remap);
bright(remap2);
flash=0;
whichmap=0;
loadcolors(whichmap);
frames=0;
ispaused=0;
addblob();
done = 0;
now=0;
starttime=SDL_GetTicks();
buttonstate=0;
mousex=mousey=0;
while(!done)
{
if ( scrlock() < 0 ) continue;
frames++;
if ( vmem1 != (unsigned char *)thescreen->pixels )
{
p1=vmem1=thescreen->pixels;
for (i=0;i<YSIZE;i++)
{
mul640[i]=i*thescreen->pitch+vmem1;
memset(p1,0,XSIZE);
p1+=thescreen->pitch;
}
}
if(!ispaused)
{
now++;
if(!flash)
{
if(explodenum>96 && explodenum<160 && !(rand()&511) || (buttonstate&8))
flash=60;
} else --flash;
explodenum=(now>>4)+1;if(explodenum==320) now=0;
if(explodenum>256) explodenum=256;
if(!(rand()&31))
addblob();
moveblobs();
putblobs();
if(buttonstate&2) trydisk();
p1=vmem1;
p2=vmem2;
k=thescreen->pitch;
for(i=0;i<YSIZE;i++)
{
memcpy(p2,p1,XSIZE);
p2+=XSIZE;
p1+=k;
}
fire(vmem2,vmem1,k,flash ? remap2 :remap);
}
scrunlock();
while(SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
if ( event.button.state == SDL_PRESSED )
buttonstate|=1<<event.button.button;
else
buttonstate&=~(1<<event.button.button);
mousex=event.button.x;
mousey=event.button.y;
if(!ispaused && buttonstate&2) trydisk();
break;
case SDL_MOUSEMOTION:
mousex=event.motion.x;
mousey=event.motion.y;
if(!ispaused && buttonstate&2) trydisk();
break;
case SDL_KEYDOWN:
key=event.key.keysym.sym;
if(key==SDLK_RETURN) {flash=60;break;}
if(key==SDLK_1 || key==SDLK_2)
{
if(key==SDLK_1)
++whichmap;
else
whichmap=rand();
loadcolors(whichmap);
break;
}
if(key==SDLK_ESCAPE) {done=1;break;}
if(key==SDLK_SPACE && !ispaused) {addblob();break;}
if(key==SDLK_p) {ispaused=!ispaused;break;}
break;
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
}
