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Added PLC_Navigation hint for gathering navmesh polygon data.

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This commit is contained in:
Daniel Buckmaster 2013-07-04 17:23:23 +10:00
parent 95ef5ec226
commit d9c731b73f
4 changed files with 77 additions and 2 deletions
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36
Engine/source/T3D/groundPlane.cpp
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@ -288,11 +288,45 @@ void GroundPlane::buildConvex( const Box3F& box, Convex* convex )
}
}
bool GroundPlane::buildPolyList( PolyListContext context, AbstractPolyList* polyList, const Box3F&, const SphereF& )
bool GroundPlane::buildPolyList( PolyListContext context, AbstractPolyList* polyList, const Box3F& box, const SphereF& )
{
polyList->setObject( this );
polyList->setTransform( &MatrixF::Identity, Point3F( 1.0f, 1.0f, 1.0f ) );
if(context == PLC_Navigation)
{
F32 z = getPosition().z;
Point3F
p0(box.minExtents.x, box.maxExtents.y, z),
p1(box.maxExtents.x, box.maxExtents.y, z),
p2(box.maxExtents.x, box.minExtents.y, z),
p3(box.minExtents.x, box.minExtents.y, z);
// Add vertices to poly list.
U32 v0 = polyList->addPoint(p0);
polyList->addPoint(p1);
polyList->addPoint(p2);
polyList->addPoint(p3);
// Add plane between first three vertices.
polyList->begin(0, 0);
polyList->vertex(v0);
polyList->vertex(v0+1);
polyList->vertex(v0+2);
polyList->plane(v0, v0+1, v0+2);
polyList->end();
// Add plane between last three vertices.
polyList->begin(0, 1);
polyList->vertex(v0+2);
polyList->vertex(v0+3);
polyList->vertex(v0);
polyList->plane(v0+2, v0+3, v0);
polyList->end();
return true;
}
Box3F planeBox = getPlaneBox();
polyList->addBox( planeBox, mMaterial );