The-Powder-Toy/elements/conv.cpp
Simon Robertshaw b0ea52690b Initial
2012-01-08 17:39:03 +00:00

46 lines
1.3 KiB
C++

#include "element.h"
int update_CONV(UPDATE_FUNC_ARGS) {
int r, rx, ry;
if (parts[i].ctype<=0 || parts[i].ctype>=PT_NUM || (parts[i].ctype==PT_LIFE && (parts[i].tmp<0 || parts[i].tmp>=NGOLALT)))
{
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 = sim->photons[y+ry][x+rx];
if (!r)
r = pmap[y+ry][x+rx];
if (!r)
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_CONV && (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>0 && parts[i].ctype<PT_NUM && parts[i].ctype!=PT_CONV) {
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 = sim->photons[y+ry][x+rx];
if (!r)
r = pmap[y+ry][x+rx];
if (!r)
continue;
if((r&0xFF)!=PT_CONV && (r&0xFF)!=parts[i].ctype)
{
if (parts[i].ctype==PT_LIFE) sim->create_part(r>>8, x+rx, y+ry, parts[i].ctype|(parts[i].tmp<<8));
else sim->create_part(r>>8, x+rx, y+ry, parts[i].ctype);
}
}
}
return 0;
}