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#include <element.h>
int update_SING(UPDATE_FUNC_ARGS) {
int r, rx, ry;
int singularity = -parts[i].life;
if (pv[y/CELL][x/CELL]<singularity)
pv[y/CELL][x/CELL] += 0.1f*(singularity-pv[y/CELL][x/CELL]);
if (y+CELL<YRES && pv[y/CELL+1][x/CELL]<singularity)
pv[y/CELL+1][x/CELL] += 0.1f*(singularity-pv[y/CELL+1][x/CELL]);
if (x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += 0.1f*(singularity-pv[y/CELL][x/CELL+1]);
if (y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += 0.1f*(singularity-pv[y/CELL+1][x/CELL+1]);
}
if (y+CELL>0 && pv[y/CELL-1][x/CELL]<singularity)
pv[y/CELL-1][x/CELL] += 0.1f*(singularity-pv[y/CELL-1][x/CELL]);
if (x+CELL>0)
{
pv[y/CELL][x/CELL-1] += 0.1f*(singularity-pv[y/CELL][x/CELL-1]);
if (y+CELL>0)
pv[y/CELL-1][x/CELL-1] += 0.1f*(singularity-pv[y/CELL-1][x/CELL-1]);
}
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_DMND&&33>=rand()/(RAND_MAX/100)+1)
{
if ((r&0xFF)==PT_SING && parts[r>>8].life >10)
{
if (parts[i].life+parts[r>>8].life > 255)
continue;
parts[i].life += parts[r>>8].life;
}
else
{
if (parts[i].life+3 > 255)
{
if (parts[r>>8].type!=PT_SING && 1>rand()%100)
{
int np;
np = create_part(r>>8,x+rx,y+ry,PT_SING);
parts[np].life = rand()%50+60;
}
continue;
}
parts[i].life += 3;
}
parts[i].temp = restrict_flt(parts[r>>8].temp+parts[i].temp, MIN_TEMP, MAX_TEMP);
kill_part(r>>8);
}
}
return 0;
}
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