66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include "pch.h"
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#include "../../../Common/apihook.h"
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#include "L2GameDataWrapper.h"
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#include "ProcessManipulation.h"
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#include "Domain/Services/ServiceLocator.h"
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using namespace L2Bot::Domain;
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namespace Interlude
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{
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void* L2GameDataWrapper::originalInitAddress = 0;
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L2GameDataWrapper::L2GameData* L2GameDataWrapper::_target = 0;
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int(__thiscall* L2GameDataWrapper::__Init)(L2GameData*, int, int) = 0;
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FL2ItemDataBase* (__thiscall* L2GameDataWrapper::__GetItemData)(L2GameData*, int) = 0;
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FL2MagicSkillData* (__thiscall* L2GameDataWrapper::__GetMSData)(L2GameData*, int, int) = 0;
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void L2GameDataWrapper::Init(HMODULE hModule)
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{
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void* initAddress = GetProcAddress(hModule, "?GetMSData@FL2GameData@@QAEPAUFL2MagicSkillData@@HH@Z");
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originalInitAddress = splice(initAddress, __Init_hook);
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(FARPROC&)__Init = (FARPROC)initAddress;
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(FARPROC&)__GetItemData = GetProcAddress(hModule, "?GetItemData@FL2GameData@@QAEPAVFL2ItemDataBase@@H@Z");
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(FARPROC&)__GetMSData = GetProcAddress(hModule, "?GetMSData@FL2GameData@@QAEPAUFL2MagicSkillData@@HH@Z");
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}
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void L2GameDataWrapper::Restore()
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{
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restore(originalInitAddress);
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}
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//todo exception(?)
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FL2ItemDataBase* L2GameDataWrapper::GetItemData(int itemId) const
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{
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if (__GetItemData && _target) {
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return (*__GetItemData)(_target, itemId);
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}
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return 0;
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}
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FL2MagicSkillData* L2GameDataWrapper::GetMSData(int skillId, int level) const
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{
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if (__GetMSData && _target) {
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return (*__GetMSData)(_target, skillId, level);
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}
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return 0;
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}
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int __fastcall L2GameDataWrapper::__Init_hook(L2GameData* This, int, int unk, int unk1)
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{
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if (_target == 0) {
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_target = This;
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InjectLibrary::StopCurrentProcess();
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restore(originalInitAddress);
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InjectLibrary::StartCurrentProcess();
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Services::ServiceLocator::GetInstance().GetLogger()->Info(L"FL2GameData {:#010x} obtained", (int)_target);
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return (*__Init)(This, unk, unk1);
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}
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return 0;
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}
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};
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