ef_referencedobject.h

#ifndef NW4R_EF_REFERENCED_OBJECT_H
#define NW4R_EF_REFERENCED_OBJECT_H
#include <nw4r/types_nw4r.h>
 
#include <nw4r/ef/ef_linkedobject.h>
 
#include <nw4r/math.h>
#include <nw4r/ut.h>
 
namespace nw4r {
namespace ef {
 
class ReferencedObject : public LinkedObject {
public:
    enum LifeStatus {
        NW4R_EF_LS_CLOSED,
        NW4R_EF_LS_ACTIVE,
        NW4R_EF_LS_WAIT,
        NW4R_EF_LS_CLOSING,
    };
 
protected:
    LifeStatus mLifeStatus; // at 0xC
    ulong mRefCount;          // at 0x10
 
public:
    ut::Link mActivityLink; // at 0x14
 
public:
    virtual void SendClosing() {} // at 0x8
    virtual void DestroyFunc() {} // at 0xC
 
    void ChangeLifeStatus(LifeStatus status) {
        mLifeStatus = status;
    }
    LifeStatus GetLifeStatus() const {
        return mLifeStatus;
    }
 
    ulong GetRefCount() const {
        return mRefCount;
    }
 
    bool Initialize() {
        mRefCount = 0;
        mLifeStatus = NW4R_EF_LS_ACTIVE;
        return true;
    }
    void Destroy() {
        DestroyFunc();
        mLifeStatus = NW4R_EF_LS_WAIT;
 
        if (mRefCount == 0) {
            SendClosing();
        }
    }
 
    ulong Ref() {
        return mRefCount++;
    }
    ulong UnRef() {
        if (--mRefCount == 0 && mLifeStatus == NW4R_EF_LS_WAIT) {
            SendClosing();
        }
 
        return mRefCount;
    }
};
 
} // namespace ef
} // namespace nw4r
 
#endif