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#include <powder.h>

int update_PLNT(UPDATE_FUNC_ARGS) {
	int r;
	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_WATR && 1>(rand()%250))
				{
					parts[i].type = PT_PLNT;
					parts[r>>8].type = PT_PLNT;
					parts[r>>8].life = 0;
				}
				else if ((r&0xFF)==PT_LAVA && 1>(rand()%250))
				{
					parts[i].life = 4;
					parts[i].type = PT_FIRE;
				}
				else if ((r&0xFF)==PT_SMKE && (1>rand()%250))
				{
					parts[r>>8].type = PT_NONE;
					parts[i].life = rand()%60 + 60;
				}
				else if ((r&0xFF)==PT_WOOD && (1>rand()%20) && abs(nx+ny)<=2 && VINE_MODE)
				{
					int nnx = rand()%3 -1;
					int nny = rand()%3 -1;
					if (x+nx+nnx>=0 && y+ny+nny>0 &&
					        x+nx+nnx<XRES && y+ny+nny<YRES && (nnx || nny))
					{
						if ((pmap[y+ny+nny][x+nx+nnx]>>8)>=NPART||pmap[y+ny+nny][x+nx+nnx])
							continue;
						if (create_part(-1,x+nx+nnx,y+ny+nny,PT_VINE))
							parts[pmap[y+ny+nny][x+nx+nnx]>>8].temp = parts[i].temp;
					}
				}
				//if(t==PT_SNOW && (r&0xFF)==PT_WATR && 15>(rand()%1000))
				//t = parts[i].type = PT_WATR;
			}
	if (parts[i].life==2)
	{
		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)
						continue;
					if (!r)
						create_part(-1,x+nx,y+ny,PT_O2);
				}
		parts[i].life = 0;
	}
	return 0;
}