// transform mapping from one placement to another void CMappingDefinition::Transform(const FLOATplane3D &plSourcePlane, const CPlacement3D &plSource, const CPlacement3D &plTarget) { CSimpleProjection3D_DOUBLE prProjection; prProjection.ObjectPlacementL() = plSource; prProjection.ViewerPlacementL() = plTarget; prProjection.Prepare(); CMappingDefinition mdTarget; prProjection.ProjectMapping(*this, FLOATtoDOUBLE(plSourcePlane), mdTarget); *this = mdTarget; }
/* * Copy selected sectors of a source brush to a 3D object. */ void CWorld::CopySourceBrushSectorsToObject( CEntity &enBrush, CBrushSectorSelectionForCSG &bscselSectors, const CPlacement3D &plSourcePlacement, CObject3D &obObject, const CPlacement3D &plTargetPlacement, DOUBLEaabbox3D &boxSourceAbsolute ) { ASSERT(GetFPUPrecision()==FPT_53BIT); // get the brush mip from the entity CBrushMip &bmBrushMip = *GetBrushMip(enBrush); // calculate placement of the brush in absolute space (taking relative // world placement and entity placement in account) CPlacement3D plBrush = enBrush.en_plPlacement; plBrush.RelativeToAbsolute(plSourcePlacement); // copy selected sectors of brush to object3d object bmBrushMip.ToObject3D(obObject, bscselSectors); // make a copy of the object and find its box in absolute space CObject3D obAbsolute; obAbsolute = obObject; CSimpleProjection3D_DOUBLE prToAbsolute; prToAbsolute.ObjectPlacementL() = plBrush; prToAbsolute.ViewerPlacementL() = CPlacement3D(FLOAT3D(0,0,0), ANGLE3D(0,0,0)); prToAbsolute.Prepare(); obAbsolute.Project(prToAbsolute); obAbsolute.GetBoundingBox(boxSourceAbsolute); // project the brush into target space CSimpleProjection3D_DOUBLE prSimple; prSimple.ObjectPlacementL() = plBrush; prSimple.ViewerPlacementL() = plTargetPlacement; prSimple.Prepare(); obObject.Project(prSimple); }