powder.c

            else if(t==PT_FUSE)
            {
                if(parts[i].life<=0) {
                    t = PT_NONE;
                    kill_part(i);
                    create_part(-1, x, y, PT_SMKE);
                    goto killed;
                }

                for(nx=-2; nx<3; nx++)
                    for(ny=-2; ny<3; 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(((r&0xFF)==PT_FIRE || (r&0xFF)==PT_SPRK || (r&0xFF)==PT_PLSM) && 1>(rand()%500))
                            {
                                if(parts[i].life>40) {
                                    parts[i].life = 39;
                                }
                            }
                        }
            }