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watrabi
2025-09-18 17:55:52 -04:00
commit 977f1ff4b8
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CSG/sgCore/ExtendedClasses/BooleanOperations.cpp
+213
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#include "..//CORE//sg.h"
sgCGroup* sgBoolean::Intersection(const sgC3DObject& aOb,const sgC3DObject& bOb)
{
sgCGroup* retVal=NULL;
LISTH resList;
init_listh(&resList);
hOBJ reservObj = NULL;
if (boolean_operation(GetObjectHandle(&aOb), GetObjectHandle(&bOb),INTER,&resList)!=OSTRUE)
{
//assert(0);
return retVal;
}
if (resList.num<1)
return retVal;
sgCObject** objcts = (sgCObject**)malloc(sizeof(sgCObject*)*resList.num);
hOBJ list_elem = resList.hhead;
int i=0;
while (list_elem)
{
char* typeID = "{0000000000000-0000-0000-000000000000}";
set_hobj_attr_value(id_TypeID, list_elem, typeID);
objcts[i++] = ObjectFromHandle(list_elem);
get_next_item(list_elem,&list_elem);
}
retVal = sgCGroup::CreateGroup(objcts,resList.num);
if (reservObj)
{
o_free(reservObj,NULL);
}
free(objcts);
return retVal;
}
sgCGroup* sgBoolean::Union(const sgC3DObject& aOb,const sgC3DObject& bOb, int& errcode)
{
sgCGroup* retVal=NULL;
LISTH resList;
init_listh(&resList);
hOBJ reservObj = NULL;
errcode = boolean_operation(GetObjectHandle(&aOb), GetObjectHandle(&bOb),UNION,&resList);
if (errcode!=OSTRUE)
{
//assert(0);
return retVal;
}
if (resList.num<1)
return retVal;
sgCObject** objcts = (sgCObject**)malloc(sizeof(sgCObject*)*resList.num);
hOBJ list_elem = resList.hhead;
int i=0;
while (list_elem)
{
char* typeID = "{0000000000000-0000-0000-000000000000}";
set_hobj_attr_value(id_TypeID, list_elem, typeID);
objcts[i++] = ObjectFromHandle(list_elem);
get_next_item(list_elem,&list_elem);
}
retVal = sgCGroup::CreateGroup(objcts,resList.num);
if (reservObj)
{
o_free(reservObj,NULL);
}
free(objcts);
return retVal;
}
sgCGroup* sgBoolean::Sub(const sgC3DObject& aOb,const sgC3DObject& bOb, int& errcode)
{
sgCGroup* retVal=NULL;
LISTH resList;
init_listh(&resList);
hOBJ reservObj = NULL;
errcode = boolean_operation(GetObjectHandle(&aOb), GetObjectHandle(&bOb),SUB,&resList);
if (errcode!=OSTRUE)
{
//assert(0);
return retVal;
}
if (resList.num<1)
return retVal;
sgCObject** objcts = (sgCObject**)malloc(sizeof(sgCObject*)*resList.num);
hOBJ list_elem = resList.hhead;
int i=0;
while (list_elem)
{
char* typeID = "{0000000000000-0000-0000-000000000000}";
set_hobj_attr_value(id_TypeID, list_elem, typeID);
objcts[i++] = ObjectFromHandle(list_elem);
get_next_item(list_elem,&list_elem);
}
retVal = sgCGroup::CreateGroup(objcts,resList.num);
if (reservObj)
{
o_free(reservObj,NULL);
}
free(objcts);
return retVal;
}
sgCGroup* sgBoolean::IntersectionContour(const sgC3DObject& aOb,const sgC3DObject& bOb)
{
sgCGroup* retVal=NULL;
LISTH resList;
init_listh(&resList);
hOBJ reservObj = NULL;
if (boolean_operation(GetObjectHandle(&aOb), GetObjectHandle(&bOb),LINE_INTER,&resList)!=OSTRUE)
{
//assert(0);
return retVal;
}
if (resList.num<1)
return retVal;
sgCObject** objcts = (sgCObject**)malloc(sizeof(sgCObject*)*resList.num);
hOBJ list_elem = resList.hhead;
int i=0;
while (list_elem)
{
char* typeID = "{0000000000000-0000-0000-000000000000}";
set_hobj_attr_value(id_TypeID, list_elem, typeID);
objcts[i++] = ObjectFromHandle(list_elem);
get_next_item(list_elem,&list_elem);
}
retVal = sgCGroup::CreateGroup(objcts,resList.num);
if (reservObj)
{
o_free(reservObj,NULL);
}
free(objcts);
return retVal;
}
sgCGroup* sgBoolean::Section(const sgC3DObject& obj, const SG_VECTOR& planeNormal,
sgFloat planeD)
{
sgCGroup* retVal=NULL;
LISTH resList;
init_listh(&resList);
D_PLANE plane;
memcpy(&plane.v, &planeNormal, sizeof(SG_VECTOR));
plane.d = planeD;
LISTH obj_list;
init_listh(&obj_list);
attach_item_tail_z(SEL_LIST, &obj_list, GetObjectHandle(&obj));
if (!cut(&obj_list, SEL_LIST, &plane, &resList))
{
//assert(0);
return retVal;
}
detach_item_z(SEL_LIST, &obj_list, GetObjectHandle(&obj));
init_listh(&obj_list);
if (resList.num<1)
return retVal;
sgCObject** objcts = (sgCObject**)malloc(sizeof(sgCObject*)*resList.num);
hOBJ list_elem = resList.hhead;
int i=0;
while (list_elem)
{
char* typeID = "{0000000000000-0000-0000-000000000000}";
set_hobj_attr_value(id_TypeID, list_elem, typeID);
objcts[i++] = ObjectFromHandle(list_elem);
get_next_item(list_elem,&list_elem);
}
retVal = sgCGroup::CreateGroup(objcts,resList.num);
free(objcts);
return retVal;
}