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The-Powder-Toy/src/elements/clne.c
2011-07-24 20:10:43 +08:00

33 lines
964 B
C

#include <element.h>
int update_CLNE(UPDATE_FUNC_ARGS) {
if (parts[i].ctype<=0 || parts[i].ctype>=PT_NUM || (parts[i].ctype==PT_LIFE && (parts[i].tmp<0 || parts[i].tmp>=NGOLALT)))
{
int r, rx, ry;
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>=0 && x+rx<XRES && y+ry<YRES)
{
r = photons[y+ry][x+rx];
if (!r || (r>>8)>=NPART)
r = pmap[y+ry][x+rx];
if (!r || (r>>8)>=NPART)
continue;
if ((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN &&
(r&0xFF)!=PT_BCLN && (r&0xFF)!=PT_STKM &&
(r&0xFF)!=PT_PBCN && (r&0xFF)!=PT_STKM2 &&
(r&0xFF)<PT_NUM)
{
parts[i].ctype = r&0xFF;
if ((r&0xFF)==PT_LIFE)
parts[i].tmp = parts[r>>8].ctype;
}
}
}
else {
if (parts[i].ctype==PT_LIFE) create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype|(parts[i].tmp<<8));
else create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
}
return 0;
}