/*
* Split selected sectors in a brush in this world with one brush in other world.
* (other brush must have only one sector)
*/
void CWorld::SplitSectors(CEntity &enThis, CBrushSectorSelection &selbscSectorsToSplit,
CWorld &woOther, CEntity &enOther, const CPlacement3D &plOther)
{
_pfWorldEditingProfile.StartTimer(CWorldEditingProfile::PTI_CSGTOTAL);
_pfWorldEditingProfile.IncrementAveragingCounter();
// assure that floating point precision is 53 bits
AssureFPT_53();
// get relevant brush mip in this brush
CBrushMip &bmThis = *GetBrushMip(enThis);
if (&bmThis==NULL) {
_pfWorldEditingProfile.StopTimer(CWorldEditingProfile::PTI_CSGTOTAL);
return;
}
// get relevant brush mip in other brush
CBrushMip &bmOther = *GetBrushMip(enOther);
if (&bmOther==NULL) {
_pfWorldEditingProfile.StopTimer(CWorldEditingProfile::PTI_CSGTOTAL);
return;
}
/* Assure that the other brush has only one sector. */
// if other brush has more than one sector
if (bmOther.bm_abscSectors.Count()>1) {
// join all sectors of the other brush together
CBrushSectorSelection selbscOtherAll;
bmOther.SelectAllSectors(selbscOtherAll);
woOther.JoinSectors(selbscOtherAll);
}
/* Split selected sectors with the one sector in the other brush. */
// get the sector of the other brush to object
CBrushSectorSelectionForCSG selbscOther;
bmOther.SelectAllSectors(selbscOther);
CObject3D obOther;
DOUBLEaabbox3D boxOther;
woOther.CopySourceBrushSectorsToObject(enOther, selbscOther, plOther,
obOther, enThis.en_plPlacement, boxOther);
// if the selection is empty
if (selbscSectorsToSplit.Count()==0) {
// select all sectors near the splitting tool
bmThis.SelectSectorsInRange(selbscSectorsToSplit, DOUBLEtoFLOAT(boxOther));
}
// for all sectors in the selection
FOREACHINDYNAMICCONTAINER(selbscSectorsToSplit, CBrushSector, itbsc) {
// split the sector using the copy of other object
CObject3D obj(obOther);
SplitOneSector(*itbsc, obj);
}
/*
* Do some CSG operation with one brush in this world and one brush in other world.
*/
void CWorld::DoCSGOperation(
CEntity &enThis,
CWorld &woOther,
CEntity &enOther,
const CPlacement3D &plOther,
void (CObject3D::*DoCSGOpenSector)(CObject3D &obA, CObject3D &obB),
void (CObject3D::*DoCSGClosedSectors)(CObject3D &obA, CObject3D &obB)
)
{
// assure that floating point precision is 53 bits
AssureFPT_53();
// get relevant brush mips in each brush
CBrushMip &bmThis = *GetBrushMip(enThis);
CBrushMip &bmOther = *GetBrushMip(enOther);
if (&bmThis==NULL || &bmOther==NULL) {
return;
}
// get open sector of the other brush to object
CBrushSectorSelectionForCSG selbscOtherOpen;
bmOther.SelectOpenSector(selbscOtherOpen);
CObject3D obOtherOpen;
DOUBLEaabbox3D boxOtherOpen;
woOther.CopySourceBrushSectorsToObject(enOther, selbscOtherOpen, plOther,
obOtherOpen, enThis.en_plPlacement, boxOtherOpen);
// if there is an open sector in other object
if (obOtherOpen.ob_aoscSectors.Count()>0) {
CObject3D obResult;
// deportalize the open sector
obOtherOpen.TurnPortalsToWalls();
// if there are any sectors in this brush
if (bmThis.bm_abscSectors.Count()>0) {
// move affected part of this brush to an object3d object
CObject3D obThis;
MoveTargetBrushPartToObject(enThis, boxOtherOpen, obThis);
// do the open sector CSG operation on the objects
_pfWorldEditingProfile.StartTimer(CWorldEditingProfile::PTI_OBJECTCSG);
(obResult.*DoCSGOpenSector)(obThis, obOtherOpen);
_pfWorldEditingProfile.StopTimer(CWorldEditingProfile::PTI_OBJECTCSG);
// if there are no sectors in this brush
} else {
// just put the open sector directly in the result
obResult = obOtherOpen;
}
// return the result back to this brush
AddObjectToBrush(obResult, enThis);
}
// get closed sectors of the other brush to object
CBrushSectorSelectionForCSG selbscOtherClosed;
bmOther.SelectClosedSectors(selbscOtherClosed);
CObject3D obOtherClosed;
DOUBLEaabbox3D boxOtherClosed;
woOther.CopySourceBrushSectorsToObject(enOther, selbscOtherClosed, plOther,
obOtherClosed, enThis.en_plPlacement, boxOtherClosed);
// if there are closed sectors in other object
if (obOtherClosed.ob_aoscSectors.Count()>0) {
CObject3D obResult;
// if there are any sectors in this brush
if (bmThis.bm_abscSectors.Count()>0) {
// move affected part of this brush to an object3d object
CObject3D obThis;
MoveTargetBrushPartToObject(enThis, boxOtherClosed, obThis);
// do the closed sectors CSG operation on the objects
_pfWorldEditingProfile.StartTimer(CWorldEditingProfile::PTI_OBJECTCSG);
(obResult.*DoCSGClosedSectors)(obThis, obOtherClosed);
_pfWorldEditingProfile.StopTimer(CWorldEditingProfile::PTI_OBJECTCSG);
// if there are no sectors in this brush
} else {
// just put the closed sectors directly in the result
obResult = obOtherClosed;
}
// return the result back to this brush
AddObjectToBrush(obResult, enThis);
}
}
