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

58 lines
1.4 KiB
C

#include <element.h>
int update_PLNT(UPDATE_FUNC_ARGS) {
int r, rx, ry, np;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; 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_WATR && 1>(rand()%250))
{
np = create_part(r>>8,x+rx,y+ry,PT_PLNT);
if (np<0) continue;
parts[np].life = 0;
}
else if ((r&0xFF)==PT_LAVA && 1>(rand()%250))
{
part_change_type(i,x,y,PT_FIRE);
parts[i].life = 4;
}
else if ((r&0xFF)==PT_SMKE && (1>rand()%250))
{
kill_part(r>>8);
parts[i].life = rand()%60 + 60;
}
else if ((r&0xFF)==PT_WOOD && (1>rand()%20) && abs(rx+ry)<=2 && VINE_MODE)
{
int nnx = rand()%3 -1;
int nny = rand()%3 -1;
if (x+rx+nnx>=0 && y+ry+nny>0 && x+rx+nnx<XRES && y+ry+nny<YRES && (nnx || nny))
{
if ((pmap[y+ry+nny][x+rx+nnx]>>8)>=NPART||pmap[y+ry+nny][x+rx+nnx])
continue;
np = create_part(-1,x+rx+nnx,y+ry+nny,PT_VINE);
if (np<0) continue;
parts[np].temp = parts[i].temp;
}
}
}
if (parts[i].life==2)
{
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 (!r)
create_part(-1,x+rx,y+ry,PT_O2);
}
parts[i].life = 0;
}
return 0;
}