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The-Powder-Toy/src/elements/prto.c
2011-04-08 14:33:13 +01:00

92 lines
2.9 KiB
C

#include <element.h>
/*these are the count vaules of where the particle gets stored, depending on where it came from
1 4 6
2 . 7
3 5 8
PRTO counts backwards, so that it will come out at the opposite place of where it came in
8 5 3
7 . 2
6 4 1
PRTO does +/-1 to the count, so it doesn't jam as easily
*/
int update_PRTO(UPDATE_FUNC_ARGS) {
int r, nnx, rx, ry, np, fe = 0;
int count = 0;
parts[i].tmp = (int)((parts[i].temp-73.15f)/100+1);
if (parts[i].tmp>=CHANNELS) parts[i].tmp = CHANNELS-1;
else if (parts[i].tmp<0) parts[i].tmp = 0;
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];
count ++;
if (!r)
fe = 1;
if ((r>>8)>=NPART || r)
continue;
if (!r)
{
for ( nnx =0 ; nnx<80; nnx++)
{
int randomness = count + rand()%3-1;//add -1,0,or 1 to count
if (randomness<1)
randomness=1;
if (randomness>8)
randomness=8;
if (portal[parts[i].tmp][randomness-1][nnx]==PT_SPRK)// TODO: make it look better, spark creation
{
create_part(-1,x+1,y,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x+1,y+1,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x+1,y-1,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x,y-1,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x,y+1,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x-1,y+1,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x-1,y,portal[parts[i].tmp][randomness-1][nnx]);
create_part(-1,x-1,y-1,portal[parts[i].tmp][randomness-1][nnx]);
portal[parts[i].tmp][randomness-1][nnx] = 0;
portaltemp[parts[i].tmp][randomness-1][nnx] = 0;
break;
}
else if (portal[parts[i].tmp][randomness-1][nnx])
{
np = create_part(-1,x+rx,y+ry,portal[parts[i].tmp][randomness-1][nnx]);
if (np<0) continue;
parts[np].temp = portaltemp[parts[i].tmp][randomness-1][nnx];
parts[np].ctype = portalctype[parts[i].tmp][randomness-1][nnx];
portal[parts[i].tmp][randomness-1][nnx] = 0;
portaltemp[parts[i].tmp][randomness-1][nnx] = 0;
portalctype[parts[i].tmp][randomness-1][nnx] = 0;
break;
}
}
}
}
if (fe) {
int orbd[4] = {0, 0, 0, 0}; //Orbital distances
int orbl[4] = {0, 0, 0, 0}; //Orbital locations
if (!parts[i].life) parts[i].life = rand();
if (!parts[i].ctype) parts[i].life = rand();
orbitalparts_get(parts[i].life, parts[i].ctype, orbd, orbl);
for (r = 0; r < 4; r++) {
if (orbd[r]<254) {
orbd[r] += 16;
if (orbd[r]>254) {
orbd[r] = 0;
orbl[r] = rand()%255;
}
//orbl[r] += 1;
//orbl[r] = orbl[r]%255;
} else {
orbd[r] = 0;
orbl[r] = rand()%255;
}
}
orbitalparts_set(&parts[i].life, &parts[i].ctype, orbd, orbl);
} else {
parts[i].life = 0;
parts[i].ctype = 0;
}
return 0;
}