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Remove fast_f2nat

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FossilOrigin-Name: 51fb59fc934df4829a82f7992f10435519dc8deb7098c3be1b17642fc6c05a44
This commit is contained in:
Jonathan Schleifer 2025-03-23 17:45:28 +00:00
parent 6320094293
commit e995b95a84
5 changed files with 17 additions and 23 deletions
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19
src/worldocull.m
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@ -35,15 +35,12 @@ computeraytable(float vx, float vy)
for (int i = 0; i < NUMRAYS; i++) {
float angle = i * PI2 / NUMRAYS;
if ((apitch > 45 // must be bigger if fov>120
|| (angle < byaw && angle > syaw) ||
// try to avoid tracing ray if outside of frustrum
// apitch must be bigger if fov > 120
if ((apitch > 45 || (angle < byaw && angle > syaw) ||
(angle < byaw - PI2 && angle > syaw - PI2) ||
(angle < byaw + PI2 && angle > syaw + PI2)) &&
!OUTBORD(vx, vy) &&
!SOLID(S(fast_f2nat(vx),
fast_f2nat(vy)))) // try to avoid tracing ray if outside
// of frustrum
{
!OUTBORD(vx, vy) && !SOLID(S((int)vx, (int)vy))) {
float ray = i * 8 / (float)NUMRAYS;
float dx, dy;
if (ray > 1 && ray < 3) {
@ -66,7 +63,7 @@ computeraytable(float vx, float vy)
sy += dy;
// 90% of time spend in this function is on this
// line
if (SOLID(S(fast_f2nat(sx), fast_f2nat(sy)))) {
if (SOLID(S((int)sx, (int)sy))) {
rdist[i] = (float)(fabs(sx - vx) +
fabs(sy - vy));
break;
@ -183,9 +180,9 @@ isoccluded(float vx, float vy, float cx, float cy,
l = ca(cx - vx, cy + csize - vy);
} // H
}
int si = fast_f2nat(h * (NUMRAYS / 8)) +
NUMRAYS; // get indexes into occlusion map from angles
int ei = fast_f2nat(l * (NUMRAYS / 8)) + NUMRAYS + 1;
// get indexes into occlusion map from angles
int si = h * (NUMRAYS / 8) + NUMRAYS;
int ei = l * (NUMRAYS / 8) + NUMRAYS + 1;
if (ei <= si)
ei += NUMRAYS;