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

59 lines
1.2 KiB
C++

#include "element.h"
int update_ACEL(UPDATE_FUNC_ARGS) {
int r, rx, ry;
parts[i].tmp = 0;
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 && (rx || ry) && !(rx && ry))
{
r = pmap[y+ry][x+rx];
if(!r)
r = sim->photons[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if(sim->ptypes[r&0xFF].properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY))
{
parts[r>>8].vx *= 1.1f;
parts[r>>8].vy *= 1.1f;
parts[i].tmp = 1;
}
}
return 0;
}
int graphics_ACEL(GRAPHICS_FUNC_ARGS)
{
if(cpart->tmp)
*pixel_mode |= PMODE_GLOW;
return 0;
}
int update_DCEL(UPDATE_FUNC_ARGS) {
int r, rx, ry;
parts[i].tmp = 0;
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 && (rx || ry) && !(rx && ry))
{
r = pmap[y+ry][x+rx];
if(!r)
r = sim->photons[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if(sim->ptypes[r&0xFF].properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY))
{
parts[r>>8].vx *= 0.9f;
parts[r>>8].vy *= 0.9f;
parts[i].tmp = 1;
}
}
return 0;
}
int graphics_DCEL(GRAPHICS_FUNC_ARGS)
{
if(cpart->tmp)
*pixel_mode |= PMODE_GLOW;
return 0;
}