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Bail out when the trace advances past the nearest collision.

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This commit is contained in:
Bill Currie 2011-11-13 10:13:10 +09:00
parent a943cdf2c4
commit 7a1faee460
1 changed files with 8 additions and 5 deletions
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5
libs/models/trace.c
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@ -57,6 +57,7 @@ static __attribute__ ((used)) const char rcsid[] =
typedef struct {
vec3_t start;
vec3_t end;
vec_t start_frac;
int side;
int num;
mplane_t *plane;
@ -179,11 +180,12 @@ MOD_TraceLine (hull_t *hull, int num,
}
// pop up the stack for a back side
// FIXME detect early out from collisions
do {
if (tstack-- == tracestack) {
// we've finished.
return;
}
} while (tstack->start_frac > trace->fraction);
// set the hit point for this plane
VectorCopy (end, tstack->start);
@ -244,6 +246,7 @@ MOD_TraceLine (hull_t *hull, int num,
VectorSubtract (end, start, dist);
VectorMultAdd (start, frac[side], dist, end);
VectorMultAdd (start, frac[side ^ 1], dist, tstack->start);
tstack->start_frac = frac[side ^ 1];
num = node->children[side];
}