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Trace to the current portal rather than the portal's plane.

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This commit is contained in:
Bill Currie 2011-12-07 12:17:51 +09:00
parent 9d2914474c
commit 5af88d33fe
1 changed files with 8 additions and 7 deletions
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15
libs/models/trace.c
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@ -665,24 +665,25 @@ trace_to_leaf (const hull_t *hull, clipleaf_t *leaf,
const trace_t *trace, const trace_state_t *state, vec3_t stop)
{
clipport_t *portal;
plane_t *plane;
int side;
vec_t frac = 1;
vec_t t1, t2, offset, f;
plane_t *plane;
vec_t f;
qboolean clipped = false;
clipleaf_t *l;
trace_state_t lstate = *state;
leaf->test_count = test_count;
for (portal = leaf->portals; portal; portal = portal->next[side]) {
side = portal->leafs[1] == leaf;
plane = hull->planes + portal->planenum;
if (plane == state->split_plane)
continue;
if (!trace_hits_portal (hull, trace, portal,
state->start_point, state->dist))
continue;
plane = hull->planes + portal->planenum;
t1 = PlaneDiff (state->start_point, plane);
t2 = PlaneDiff (state->end_point, plane);
offset = calc_offset (trace, plane);
f = (t1 + (t1 < 0 ? offset : -offset)) / (t1 - t2);
lstate.split_plane = plane;
f = box_portal_dist (hull, portal, &lstate);
l = portal->leafs[side^1];
if (f < 0 && l->contents != CONTENTS_SOLID
&& l->test_count != test_count)