HookV2.cpp

#include "HookV2.h"


unsigned int HookV2::IsNotEmulatedHardWare = false;


UINT64 GetAddressADT(){
	return HookV2::IsNotEmulatedHardWare == true ? 0: 0x010000000;
}




HookV2::HookV2(void)
{
}

HookV2::~HookV2(void)
{
}

bool HookV2::CheckIsNotEmulatedHardWare()
{
	//VirtualProtectEx does not work in XENIA at all


	MEMORY_BASIC_INFORMATION data;

	VirtualQuery((void*)0x92000600, &data,0);
	if (data.Protect){
		return false;
	}
	return true;
	




}

extern "C" void HookV2::InstalHook(bool IsReturn /*= false*/,UINT32 addr,UINT32 fnc)
{

	//Preapare WriteData
	DWORD Instructions[ ARRAYSIZE( JumpASMNoPreserve ) ];
	memcpy( Instructions, JumpASMNoPreserve, sizeof( JumpASMNoPreserve ) );
	Instructions[ 0 ] |= ADDRESS_HIGHER( (UINT)fnc );
	Instructions[ 1 ] |= ADDRESS_LOWER( (UINT)fnc );
	Instructions[ 3 ] |= IsReturn == true ? 1 : 0; // bctrl, bctr





	DWORD OPrct;
	bool OK =  VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),sizeof( JumpASMNoPreserve ),4,&OPrct); // Change Protection
	memcpy(GetAddress(addr),Instructions,sizeof(Instructions));
	OK =  VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),sizeof( JumpASMNoPreserve ),OPrct,&OPrct); // Change Protection





}

void HookV2::WriteWORD(UINT32 addr,WORD value)
{
	DWORD OPrct;
	VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),2,4,&OPrct); // Change Protection
	memcpy(GetAddress(addr),&value,2); // CopyBytes
	VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),2,OPrct,&OPrct); // Return Protect
}

void HookV2::WriteDWORD(UINT32 addr,DWORD value)
{
	DWORD OPrct;
	VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),4,4,&OPrct); // Change Protection
	memcpy(GetAddress(addr),&value,4); // CopyBytes
	VirtualProtectEx(GetModuleHandle(NULL),GetAddress(addr),4,OPrct,&OPrct); // Return Protect
}

void HookV2::WriteNOP(UINT32 addr,int c)
{
	for (int i = 0;i<c;i++){
		HookV2::WriteDWORD(addr + (i*4),0x60000000);
	}

}

void* HookV2::GetAddress(UINT32 addr)
{
	return (void*)(GetAddressADT() + addr);
}