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120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
#ifndef VIEWLODLIST_H
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#define VIEWLODLIST_H
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#include "../mxstl/stlcompat.h"
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#include "../realtime/lodlist.h"
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#include "assert.h"
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#include "compat.h"
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#pragma warning(disable : 4237)
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#pragma warning(disable : 4786)
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class ViewLOD;
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class ViewLODListManager;
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//////////////////////////////////////////////////////////////////////////////
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// ViewLODList
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//
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// An ViewLODList is an LODList that is shared among instances of the "same ROI".
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//
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// ViewLODLists are managed (created and destroyed) by ViewLODListManager.
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//
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class ViewLODList : public LODList<ViewLOD> {
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friend ViewLODListManager;
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protected:
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ViewLODList(size_t capacity);
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~ViewLODList();
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public:
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inline int AddRef();
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inline int Release();
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#ifdef _DEBUG
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void Dump(void (*pTracer)(const char*, ...)) const;
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#endif
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private:
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int m_refCount;
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ViewLODListManager* m_owner;
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};
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//////////////////////////////////////////////////////////////////////////////
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//
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// ??? for now, until we have symbol management
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typedef const char* ROIName;
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struct ROINameComparator {
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bool operator()(const ROIName& rName1, const ROIName& rName2) const
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{
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return strcmp((const char*) rName1, (const char*) rName2) > 0;
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}
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};
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//////////////////////////////////////////////////////////////////////////////
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//
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// ViewLODListManager
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//
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// ViewLODListManager manages creation and sharing of ViewLODLists.
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// It stores ViewLODLists under a name, the name of the ROI where
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// the ViewLODList belongs.
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// VTABLE: LEGO1 0x100dbdbc
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// SIZE 0x14
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class ViewLODListManager {
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typedef map<ROIName, ViewLODList*, ROINameComparator> ViewLODListMap;
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public:
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ViewLODListManager();
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virtual ~ViewLODListManager();
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// ??? should LODList be const
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// creates an LODList with room for lodCount LODs for a named ROI
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// returned LODList has a refCount of 1, i.e. caller must call Release()
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// when it no longer holds on to the list
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ViewLODList* Create(const ROIName&, int lodCount);
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// returns an LODList for a named ROI
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// returned LODList's refCount is increased, i.e. caller must call Release()
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// when it no longer holds on to the list
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ViewLODList* Lookup(const ROIName&) const;
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void Destroy(ViewLODList* lodList);
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#ifdef _DEBUG
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void Dump(void (*pTracer)(const char*, ...)) const;
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#endif
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private:
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ViewLODListMap m_map;
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};
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//////////////////////////////////////////////////////////////////////////////
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//
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// ViewLODList implementation
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inline ViewLODList::ViewLODList(size_t capacity) : LODList<ViewLOD>(capacity), m_refCount(0)
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{
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}
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inline ViewLODList::~ViewLODList()
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{
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assert(m_refCount == 0);
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}
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inline int ViewLODList::AddRef()
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{
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return ++m_refCount;
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}
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inline int ViewLODList::Release()
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{
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assert(m_refCount > 0);
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if (!--m_refCount)
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m_owner->Destroy(this);
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return m_refCount;
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}
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#endif // VIEWLODLIST_H
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