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Fix some Collision NaN/inf's

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This commit is contained in:
erorcun 2021-01-28 00:51:43 +03:00
parent e9054f2980
commit 2b269ff1c0
2 changed files with 23 additions and 6 deletions
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21
src/collision/Collision.cpp
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@ -477,8 +477,16 @@ CCollision::TestLineTriangle(const CColLine &line, const CompressedVector *verts
if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f) if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f)
return false; 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 // 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 // find point of intersection
CVector p = line.p0 + (line.p1-line.p0)*t; CVector p = line.p0 + (line.p1-line.p0)*t;
@ -1286,8 +1294,17 @@ CCollision::ProcessLineTriangle(const CColLine &line,
if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f) if(plane.CalcPoint(line.p0) * plane.CalcPoint(line.p1) > 0.0f)
return false; 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 // 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 // early out if we're beyond the mindist
if(t >= mindist) if(t >= mindist)
return false; return false;

8
src/core/World.cpp
View File

@ -431,10 +431,10 @@ CWorld::ProcessVerticalLineSector(CSector &sector, const CColLine &line, CColPoi
} }
bool 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) CEntity *&entity, bool ignoreSeeThrough, CStoredCollPoly *poly)
{ {
float mindist = dist; float dist = mindist;
CPtrNode *node; CPtrNode *node;
CEntity *e; CEntity *e;
CColModel *colmodel; CColModel *colmodel;
@ -451,8 +451,8 @@ CWorld::ProcessVerticalLineSectorList(CPtrList &list, const CColLine &line, CCol
} }
} }
if(mindist < dist) { if(dist < mindist) {
dist = mindist; mindist = dist;
return true; return true;
} else } else
return false; return false;