mirror of
https://github.com/alliedmodders/metamod-source.git
synced 2024-12-04 16:24:16 +01:00
b64eb781d8
-> Removed CHookManagerContainer Also removed listcat (unnecessary since "V2" interface) --HG-- extra : convert_revision : svn%3Ac2935e3e-5518-0410-8daf-afa5dab7d4e3/trunk%40510
118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
/* ======== SourceHook ========
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* Copyright (C) 2004-2007 Metamod:Source Development Team
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* No warranties of any kind
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*
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* License: zlib/libpng
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*
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* Author(s): Pavol "PM OnoTo" Marko
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* ============================
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*/
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#ifndef __SOURCEHOOK_IMPL_CVFNPTR_H__
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#define __SOURCEHOOK_IMPL_CVFNPTR_H__
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#include "sh_list.h"
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#include "sh_memory.h"
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namespace SourceHook
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{
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namespace Impl
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{
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class CVfnPtr
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{
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// *** Data ***
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void *m_Ptr;
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void *m_OrigEntry;
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List<CHookManager*> m_HookMans;
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List<CIface> m_IfaceList;
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public:
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// *** Descriptor ***
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typedef void* Descriptor;
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// *** Interface ***
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inline CVfnPtr(void *ptr);
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inline ~CVfnPtr();
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inline bool operator==(const Descriptor &other);
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inline void *GetPtr() const;
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inline void *GetOrigEntry() const;
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inline List<CIface> &GetIfaceList();
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inline const List<CIface> &GetIfaceList() const;
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inline CIface *FindIface(void *iface);
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CIface &GetIface(void *iface);
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bool Patch(void *newValue);
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inline bool Revert();
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void AddHookMan(CHookManager *pHookMan);
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// If this returns false, it means that there is no hook manager left
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// to use and that this vfnptr should be removed.
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bool HookManRemoved(CHookManager *pHookMan);
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};
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// *** Implementation ***
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inline CVfnPtr::CVfnPtr(void *ptr)
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: m_Ptr(ptr), m_OrigEntry(*reinterpret_cast<void**>(m_Ptr))
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{
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}
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inline CVfnPtr::~CVfnPtr()
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{
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if (!m_HookMans.empty())
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m_HookMans.front()->DecrRef(this);
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}
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inline bool CVfnPtr::operator==(const Descriptor &other)
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{
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return m_Ptr == other;
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}
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inline void *CVfnPtr::GetPtr() const
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{
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return m_Ptr;
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}
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inline void *CVfnPtr::GetOrigEntry() const
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{
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return m_OrigEntry;
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}
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inline List<CIface> &CVfnPtr::GetIfaceList()
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{
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return m_IfaceList;
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}
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inline const List<CIface> &CVfnPtr::GetIfaceList() const
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{
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return m_IfaceList;
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}
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inline bool CVfnPtr::Revert()
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{
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// Only patch the vfnptr back if the module is still in memory
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// If it's not, do not remove stuff like we did before
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// First off we did it wrong (shutdown the whole hookman, uh..) and secondly applications may be
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// confused by RemoveHook returning false then (yeah, I know, I made this one up, no one checks for RemoveHook error)
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if (ModuleInMemory(reinterpret_cast<char*>(m_Ptr), SH_PTRSIZE))
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{
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return Patch(m_OrigEntry);
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}
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else
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{
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return true;
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}
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}
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inline CIface *CVfnPtr::FindIface(void *iface)
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{
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List<CIface>::iterator iter = m_IfaceList.find(iface);
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if (iter == m_IfaceList.end())
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return NULL;
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else
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return &(*iter);
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}
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}
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}
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#endif
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