internal CsgOperation(CsgVisitor inVisitor)
{
//
csgVisitor = inVisitor;
//
deferredFaces = new List <DeferredFace>(8);
}
public CsgOperation( CsgVisitor inVisitor )
{
//
csgVisitor = inVisitor;
//
deferredFaces = new List<DeferredFace>(8);
}
/// <summary>
/// Performs CSG Operation on this Object (Master) with given Slaves.
/// </summary>
/// <param name='inOper'>
/// In oper.
/// </param>
/// <param name='inSlaves'>
/// In slaves.
/// </param>
public void PerformCSG(CsgOperation.ECsgOperation inOper, GameObject[] inSlaves)
{
//
CreateFromMesh();
// create bsp generator
BspGen gen = new BspGen(GlobalSettings.BspOptimization);
rootNode = gen.GenerateBspTree(faces);
List <CSGFace> savedFaces = new List <CSGFace>();
//
foreach (GameObject g in inSlaves)
{
CSGObject slave = g.GetComponent <CSGObject>();
// if we have a csg object and we are not our self
// and intersecting
if (slave && g != gameObject && intersect(slave))
{
Debug.Log(g.name);
//
slave.CreateFromMesh();
// ....
BspGen genSlave = new BspGen(GlobalSettings.BspOptimization);
slave.rootNode = genSlave.GenerateBspTree(slave.faces);
CsgVisitor visitor = null;
switch (inOper)
{
case CsgOperation.ECsgOperation.CsgOper_Additive:
visitor = new UnionVisitor();
break;
case CsgOperation.ECsgOperation.CsgOper_Subtractive:
visitor = new SubtractiveVisitor();
break;
case CsgOperation.ECsgOperation.CsgOper_Intersect:
visitor = new IntersectVisitor();
break;
case CsgOperation.ECsgOperation.CsgOper_DeIntersect:
visitor = new DeIntersectVisitor();
break;
default:
visitor = null;
break;
}
CsgOperation oper = new CsgOperation(visitor);
oper.Perform(inOper, this, slave);
// save faces
savedFaces.AddRange(faces);
}
}
// If we want to merge Coplanars after every Operation
if (GlobalSettings.MergeCoplanars)
{
MergeFaces();
}
// for additive or subtracte operation, built faces list from bsp tree
// for others, use faces directly
if (inOper == CsgOperation.ECsgOperation.CsgOper_Additive || inOper == CsgOperation.ECsgOperation.CsgOper_Subtractive)
{
// create new face list
List <CSGFace> newFaces = new List <CSGFace>();
// create faces from bsp nodes
BspHelper.FacesFromNodes(rootNode, newFaces);
// copy to face list
faces = newFaces;
}
else
{
// copy saved faces
faces = savedFaces;
}
// Face.MergeCoplanars( faces );
// copy to unity structure
TransferFacesToMesh();
// dumb tree
// BspHelper.DumpTree( rootNode );
}
