void yarrAIWanderer :: think()
{
// avoiding attacks is more important than being a vagrant
avoid_bullets();
wander();
// look for something to kill
spaceShip* enemy = getclosest();
if( enemy != NULL )
{
attack(enemy);
}
}
void yarrAIPsycho :: think()
{
// save yourself!
avoid_bullets();
// look for something to kill
//getvisible();
//spaceShip* enemy = seen.back();
spaceShip* enemy = getclosest();
if( enemy != NULL )
{
pursue(enemy);
attack(enemy);
}
else
wander(); // or just wander around if nothing's around
}
extern int
refine_first(void) /* initial refinement pass */
{
int *esamp = (int *)zprev; /* OK to reuse */
int hl_erri = errori(HL_ERR);
int nextra = 0;
int x, y, xp, yp;
int neigh;
register int n, np;
if (sizeof(int) < sizeof(*zprev))
error(CONSISTENCY, "code error in refine_first");
if (!silent) {
printf("\tFirst refinement pass...");
fflush(stdout);
}
memset((void *)esamp, '\0', sizeof(int)*hres*vres);
/*
* In our initial pass, we look for lower error pixels from
* the same objects in the previous frame, and copy them here.
*/
for (y = vres; y--; )
for (x = hres; x--; ) {
n = fndx(x, y);
if (obuffer[n] == OVOID)
continue;
if (xmbuffer[n] == MO_UNK)
continue;
xp = x + xmbuffer[n];
if ((xp < 0) | (xp >= hres))
continue;
yp = y + ymbuffer[n];
if ((yp < 0) | (yp >= vres))
continue;
np = fndx(xp, yp);
/* make sure we hit same object */
if (oprev[np] != obuffer[n])
continue;
/* is previous frame error lower? */
if (aprev[np] < AMIN + ATIDIFF)
continue;
if (aprev[np] <= abuffer[n] + ATIDIFF)
continue;
/* shadow & highlight detection */
if (abuffer[n] > hl_erri &&
getclosest(&neigh, 1, x, y) &&
bigdiff(cbuffer[neigh], cprev[np],
HL_ERR*(.9+.2*frandom())))
continue;
abuffer[n] = aprev[np] - ATIDIFF;
copycolor(cbuffer[n], cprev[np]);
esamp[n] = 1; /* record extrapolated sample */
nextra++;
}
for (n = hres*vres; n--; ) /* update sample counts */
if (esamp[n])
sbuffer[n] = 1;
if (!silent)
printf("extrapolated %d pixels\n", nextra);
return(1);
}
