source: GTP/trunk/Lib/Illum/IBRBillboardCloudTrees/OGRE/include/BBC/BBCBillboardGroup.h @ 745

Revision 745, 1.3 KB checked in by igarcia, 19 years ago (diff)
Line 
1#ifndef _BILLBOARDGROUP_H
2#define _BILLBOARDGROUP_H
3
4#include <BBCPrerequisites.h>
5
6namespace BBC {
7
8// Forward declarations
9class BillboardGroup;
10
11
12namespace boost
13{
14    void intrusive_ptr_add_ref(BillboardGroup * p);
15    void intrusive_ptr_release(BillboardGroup * p);
16};
17
18class BillboardGroup
19{
20private:
21    long references;
22    friend void boost::intrusive_ptr_add_ref(BillboardGroup * p);
23    friend void boost::intrusive_ptr_release(BillboardGroup * p);
24
25  protected:
26        std::vector<unsigned int> mBillboardHandleList;
27
28  public:
29
30    BillboardGroup();
31
32        virtual ~BillboardGroup();
33
34    unsigned int getBillboardHandle(unsigned int iBillboard);
35
36    void addBillboardHandle(unsigned int iBillboardHandle);
37
38        unsigned int getNumBillboards();
39
40};
41
42// class specific addref/release implementation
43// the two function overloads must be in the boost namespace on most compilers:
44namespace boost
45{
46 inline void intrusive_ptr_add_ref(BillboardGroup * p)
47  {
48    // increment reference count of object *p
49    ++(p->references);
50  }
51
52
53
54 inline void intrusive_ptr_release(BillboardGroup * p)
55  {
56   // decrement reference count, and delete object when reference count reaches 0
57   if (--(p->references) == 0)
58     delete p;
59  }
60} // namespace boost
61
62typedef ::boost::intrusive_ptr<BillboardGroup> BillboardGroupPtr;
63
64}
65#endif
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