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#include <powder.h>
int update_SING(UPDATE_FUNC_ARGS) {
int r;
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 (nx=-1; nx<2; nx++)
for (ny=-1; ny<2; ny++)
if (x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if ((r>>8)>=NPART || !r)
continue;
if (parts[r>>8].type!=PT_DMND&&33>=rand()/(RAND_MAX/100)+1)
{
if (parts[r>>8].type==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)
{
parts[r>>8].type = PT_SING;
parts[r>>8].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);
parts[r>>8].type=PT_NONE;
}
}
return 0;
}
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