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- When moving polyobjects, recalculate the floors and ceilings for the actors in their bounding boxes. (See http://forum.zdoom.org/viewtopic.php?f=2&t=35616)

Browse source 
SVN r4192 (trunk)
This commit is contained in:
Randy Heit 2013-03-21 02:07:42 +00:00
parent 53e73783e0
commit cb41771342
3 changed files with 34 additions and 0 deletions
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9
src/m_bbox.h
View file

@ -57,6 +57,15 @@ public:
m_Box[BOXBOTTOM] = m_Box[BOXLEFT] = FIXED_MAX;
}
// Returns a bounding box that encloses both bounding boxes
FBoundingBox operator | (const FBoundingBox &box2) const
{
return FBoundingBox(m_Box[BOXLEFT] < box2.m_Box[BOXLEFT] ? m_Box[BOXLEFT] : box2.m_Box[BOXLEFT],
m_Box[BOXBOTTOM] < box2.m_Box[BOXBOTTOM] ? m_Box[BOXBOTTOM] : box2.m_Box[BOXBOTTOM],
m_Box[BOXRIGHT] > box2.m_Box[BOXRIGHT] ? m_Box[BOXRIGHT] : box2.m_Box[BOXRIGHT],
m_Box[BOXTOP] > box2.m_Box[BOXTOP] ? m_Box[BOXTOP] : box2.m_Box[BOXTOP]);
}
void AddToBox (fixed_t x, fixed_t y);
inline fixed_t Top () const { return m_Box[BOXTOP]; }

24
src/po_man.cpp
View file

@ -986,6 +986,7 @@ void FPolyObj::CalcCenter()
bool FPolyObj::MovePolyobj (int x, int y, bool force)
{
FBoundingBox oldbounds = Bounds;
UnLinkPolyobj ();
DoMovePolyobj (x, y);
@ -1013,6 +1014,7 @@ bool FPolyObj::MovePolyobj (int x, int y, bool force)
CenterSpot.y += y;
LinkPolyobj ();
ClearSubsectorLinks();
RecalcActorFloorCeil(Bounds | oldbounds);
return true;
}
@ -1065,6 +1067,7 @@ bool FPolyObj::RotatePolyobj (angle_t angle)
{
int an;
bool blocked;
FBoundingBox oldbounds = Bounds;
an = (this->angle+angle)>>ANGLETOFINESHIFT;
@ -1103,6 +1106,7 @@ bool FPolyObj::RotatePolyobj (angle_t angle)
this->angle += angle;
LinkPolyobj();
ClearSubsectorLinks();
RecalcActorFloorCeil(Bounds | oldbounds);
return true;
}
@ -1338,6 +1342,26 @@ void FPolyObj::LinkPolyobj ()
}
}
//===========================================================================
//
// FPolyObj :: RecalcActorFloorCeil
//
// For each actor within the bounding box, recalculate its floorz, ceilingz,
// and related values.
//
//===========================================================================
void FPolyObj::RecalcActorFloorCeil(FBoundingBox bounds) const
{
FBlockThingsIterator it(bounds);
AActor *actor;
while ((actor = it.Next()) != NULL)
{
P_FindFloorCeiling(actor);
}
}
//===========================================================================
//
// PO_ClosestPoint

1
src/po_man.h
View file

@ -76,6 +76,7 @@ struct FPolyObj
bool RotatePolyobj (angle_t angle);
void ClosestPoint(fixed_t fx, fixed_t fy, fixed_t &ox, fixed_t &oy, side_t **side) const;
void LinkPolyobj ();
void RecalcActorFloorCeil(FBoundingBox bounds) const;
void CreateSubsectorLinks();
void ClearSubsectorLinks();
void CalcCenter();