The-Powder-Toy/src/elements/spng.c

98 lines
2.7 KiB
C

#include <element.h>
int update_SPNG(UPDATE_FUNC_ARGS) {
int r, trade, rx, ry, tmp;
if (pv[y/CELL][x/CELL]<=3&&pv[y/CELL][x/CELL]>=-3&&parts[i].temp<=374.0f)
{
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r || parts[i].temp>374.0f)
continue;
if ((r&0xFF)==PT_WATR&&33>=rand()/(RAND_MAX/100)+1)
{
parts[i].life++;
kill_part(r>>8);
}
}
}
else
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART)
continue;
if ((bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_WALLELEC||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_EWALL||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_DESTROYALL||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_WALL||
bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_ALLOWAIR||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_ALLOWSOLID||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_ALLOWGAS))
continue;
if ((!r)&&parts[i].life>=1)//if nothing then create water
{
create_part(-1,x+rx,y+ry,PT_WATR);
parts[i].life--;
}
}
for ( trade = 0; trade<9; trade ++)
{
rx = rand()%5-2;
ry = rand()%5-2;
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if ((r&0xFF)==PT_SPNG&&(parts[i].life>parts[r>>8].life)&&parts[i].life>0)//diffusion
{
tmp = parts[i].life - parts[r>>8].life;
if (tmp ==1)
{
parts[r>>8].life ++;
parts[i].life --;
trade = 9;
}
else if (tmp>0)
{
parts[r>>8].life += tmp/2;
parts[i].life -= tmp/2;
trade = 9;
}
}
}
}
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART || !r)
continue;
if ((r&0xFF)==PT_FIRE&&parts[i].life>0)
{
if (parts[i].life<=2)
parts[i].life --;
parts[i].life -= parts[i].life/3;
}
}
if (parts[i].temp>=374)
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))
{
r = pmap[y+ry][x+rx];
if ((r>>8)>=NPART)
continue;
if ((bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_WALLELEC||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_ALLOWLIQUID||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_DESTROYALL||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_WALL||bmap[(y+ry)/CELL][(x+rx)/CELL]==WL_ALLOWSOLID))
continue;
if ((!r)&&parts[i].life>=1)//if nothing then create steam
{
create_part(-1,x+rx,y+ry,PT_WTRV);
parts[i].life--;
parts[i].temp -= 40.0f;
}
}
return 0;
}