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//
//		            TestBBYOverlapping
//
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#include "CKAll.h"


CKObjectDeclaration	*FillBehaviorTestBBYOverlappingDecl();
CKERROR CreateTestBBYOverlappingProto(CKBehaviorPrototype **);
int TestBBYOverlapping(const CKBehaviorContext& behcontext);


CKObjectDeclaration	*FillBehaviorTestBBYOverlappingDecl()
{
	CKObjectDeclaration *od = CreateCKObjectDeclaration("Test Bounding Box Y Overlapping");	
	od->SetDescription("Tests the Y Relative Position of the bounding boxes of two 3D Entities, in the world coordinate system.");
	/* rem:
	<SPAN CLASS=in>In: </SPAN>triggers the process.<BR>
	<BR>
	<SPAN CLASS=out>A above B: </SPAN>is activated if the bounding box of ObjectA is above that of ObjectB.<BR>
	<SPAN CLASS=out>B above A: </SPAN>is activated if the bounding box of ObjectB is above that of ObjectA.<BR>
	<SPAN CLASS=out>A above B overlapped: </SPAN>is activated if the bounding box of ObjectA is above that of ObjectB, but overlapping.<BR>
	<SPAN CLASS=out>B above A overlapped: </SPAN>is activated if the bounding box of ObjectB is above that of ObjectA, but overlapping.<BR>
	<SPAN CLASS=out>A and B overlapped: </SPAN>is activated if both bounding boxes are at the same level, overlapping.<BR>
	<BR>
	<SPAN CLASS=pin>Object A: </SPAN>first object to test.<BR>
	<SPAN CLASS=pin>Object B: </SPAN>second object to test.<BR>
	*/
	od->SetType( CKDLL_BEHAVIORPROTOTYPE);
	od->SetGuid(CKGUID(0x01ad010b, 0x01bd010b));
	od->SetAuthorGuid(VIRTOOLS_GUID);
	od->SetAuthorName("Virtools");
	od->SetVersion(0x00010000);
	od->SetCreationFunction(CreateTestBBYOverlappingProto);
	od->SetCompatibleClassId(CKCID_3DENTITY);
	// ajout pour qu'on puisse avoir acces a la doc depuis la schematique
	od->SetCategory("Collisions/3D Entity");
	return od;
}


CKERROR CreateTestBBYOverlappingProto(CKBehaviorPrototype **pproto)
{
	CKBehaviorPrototype *proto = NULL;
	proto = CreateCKBehaviorPrototype("Test Bounding Box Y Overlapping");
	if(!proto) return CKERR_OUTOFMEMORY;

	proto->DeclareInput("In");
	
	proto->DeclareOutput("A above B");
	proto->DeclareOutput("B above A");
	proto->DeclareOutput("A above B, overlapped");
	proto->DeclareOutput("B above A, overlapped");
	proto->DeclareOutput("A and B overlapped");	

	proto->DeclareInParameter("ObjectA", CKPGUID_3DENTITY);
	proto->DeclareInParameter("ObjectB", CKPGUID_3DENTITY);

	proto->SetFlags(CK_BEHAVIORPROTOTYPE_OBSOLETE);
	proto->SetFunction(TestBBYOverlapping);

	*pproto = proto;
	return CK_OK;

}


int TestBBYOverlapping(const CKBehaviorContext& behcontext)
{
	CKBehavior* beh = behcontext.Behavior;
	beh->ActivateInput(0,FALSE);
	
	// We Get the Object A
	CK3dEntity *ckA = (CK3dEntity *) beh->GetInputParameterObject(0);
	if(!ckA)
		return CKBR_OWNERERROR;
	const VxBbox& vxbbA = ckA->GetBoundingBox();
		
	// We Get the Obejct B
	CK3dEntity *ckB = (CK3dEntity *) beh->GetInputParameterObject(1);
	if(!ckB)
		return CKBR_OWNERERROR;
	const VxBbox& vxbbB = ckB->GetBoundingBox();
		
	if(vxbbA.Min.y > vxbbB.Max.y) {
		beh->ActivateOutput(0);
		return CKBR_OK;
	}
	if(vxbbB.Min.y > vxbbA.Max.y) {
		beh->ActivateOutput(1);
		return CKBR_OK;
	}
	if((vxbbA.Min.y > vxbbB.Min.y) && (vxbbA.Max.y > vxbbB.Max.y)) {
		beh->ActivateOutput(2);
		return CKBR_OK;
	}
	if((vxbbB.Min.y > vxbbA.Min.y) && (vxbbB.Max.y > vxbbA.Max.y)) {
		beh->ActivateOutput(3);
		return CKBR_OK;
	}
	beh->ActivateOutput(4);
	return CKBR_OK;
}