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-rw-r--r--src/collision/Collision.cpp21
-rw-r--r--src/core/World.cpp8
2 files changed, 23 insertions, 6 deletions
diff --git a/src/collision/Collision.cpp b/src/collision/Collision.cpp
index bead5183..50c22e32 100644
--- a/src/collision/Collision.cpp
+++ b/src/collision/Collision.cpp
@@ -307,8 +307,16 @@ CCollision::TestLineTriangle(const CColLine &line, const CompressedVector *verts
if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f)
return false;
+ float p0dist = DotProduct(line.p1 - line.p0, normal);
+
+#ifdef FIX_BUGS
+ // line lines in the plane, assume no collision
+ if (p0dist == 0.0f)
+ return false;
+#endif
+
// intersection parameter on line
- t = -plane.CalcPoint(line.p0) / DotProduct(line.p1 - line.p0, normal);
+ t = -plane.CalcPoint(line.p0) / p0dist;
// find point of intersection
CVector p = line.p0 + (line.p1-line.p0)*t;
@@ -1127,8 +1135,17 @@ CCollision::ProcessLineTriangle(const CColLine &line,
if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f)
return false;
+ float p0dist = DotProduct(line.p1 - line.p0, normal);
+
+#ifdef FIX_BUGS
+ // line lines in the plane, assume no collision
+ if (p0dist == 0.0f)
+ return false;
+#endif
+
// intersection parameter on line
- t = -plane.CalcPoint(line.p0) / DotProduct(line.p1 - line.p0, normal);
+ t = -plane.CalcPoint(line.p0) / p0dist;
+
// early out if we're beyond the mindist
if(t >= mindist)
return false;
diff --git a/src/core/World.cpp b/src/core/World.cpp
index bc698c83..9da36e7a 100644
--- a/src/core/World.cpp
+++ b/src/core/World.cpp
@@ -452,10 +452,10 @@ CWorld::ProcessVerticalLineSector(CSector &sector, const CColLine &line, CColPoi
}
bool
-CWorld::ProcessVerticalLineSectorList(CPtrList &list, const CColLine &line, CColPoint &point, float &dist,
+CWorld::ProcessVerticalLineSectorList(CPtrList &list, const CColLine &line, CColPoint &point, float &mindist,
CEntity *&entity, bool ignoreSeeThrough, CStoredCollPoly *poly)
{
- float mindist = dist;
+ float dist = mindist;
CPtrNode *node;
CEntity *e;
CColModel *colmodel;
@@ -472,8 +472,8 @@ CWorld::ProcessVerticalLineSectorList(CPtrList &list, const CColLine &line, CCol
}
}
- if(mindist < dist) {
- dist = mindist;
+ if(dist < mindist) {
+ mindist = dist;
return true;
} else
return false;