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// CohEngineInjectee.cpp : Defines the entry point for the DLL application.
//

#include "stdafx.h"
#include "AsmRewrites.h"
#include "ModInterface.h"

#include "Scar_Internet.h" // comment out to disable scar internet

#ifdef _MANAGED
#pragma managed(push, off)
#endif

bool g_bHaxxApplied;
bool g_bReLaunch;
char g_sConfigName[MAX_PATH + 1];
char g_sEngineFolder[MAX_PATH + 1];

void WritePtr(unsigned char* pDest, char* pStr)
{
	char ** pp = (char **)pDest;
	*pp = pStr;
}

void HaxxNotApplied()
{
	HWND hCoH = FindWindow("Plat::Window {DB3DC0D7-BBA3-4d06-BCD8-40CD448B4AE3}", 0);
	SendMessage(hCoH, WM_CLOSE, 0, 0);
	g_bReLaunch = true;
}

extern "C"
{

/*
	Function called by injector as a thread.
	Called after DllMain has finished but before the main thread is resumed.
	Exported as _Haxx@4
*/
DWORD __declspec(dllexport) WINAPI Haxx(LPVOID pIgnored)
{
	unsigned char* pInjectLoc = (unsigned char*) AssemblerUtil::ScanForString("\x74\x11\x68\x96\x00\x00\x00", 7, 0x7D0000);

	// Allow engine data folder to be loaded by nopping a few bytes
	pInjectLoc[51] = 0x90; pInjectLoc[52] = 0x90; // .text:007D68F7 jz short loc_7D692B --> nop nop
	pInjectLoc[62] = 0x90; pInjectLoc[63] = 0x90; // .text:007D6902 jnz short loc_7D692B --> nop nop

	// Set engine data folder
	WritePtr(pInjectLoc + 8, g_sEngineFolder);
	WritePtr(pInjectLoc + 71, g_sEngineFolder);

#ifdef _SCAR_INTERNET_H_
	Haxx_ApplyScarInternet();
#endif

	g_bHaxxApplied = true;

	return 0x1337;
}

};

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
					 )
{
	if(ul_reason_for_call == DLL_PROCESS_ATTACH)
	{
#ifdef _SCAR_INTERNET_H_
		g_hNetConnection = 0;
#endif
		// load our settins
		char *pTmp;
		if(GetModuleFileName(hModule, g_sConfigName, MAX_PATH) == 0) return FALSE;
		pTmp = strstr(g_sConfigName, "Mod.dll");
		if(pTmp) *pTmp = 0;
		strcat(g_sConfigName, ".module");

		char sDllName[256];
		GetPrivateProfileString("corsix", "DllName", "NoMod", sDllName, 255, g_sConfigName);
		GetPrivateProfileString("corsix", "Engine", "", g_sEngineFolder, 255, g_sConfigName);

		// go go go
		new CModInterface(sDllName);
		g_bHaxxApplied = false;
		g_bReLaunch = false;
	}
	else if(ul_reason_for_call == DLL_PROCESS_DETACH)
	{
#ifdef _SCAR_INTERNET_H_
	if(g_hNetConnection != 0) InternetCloseHandle(g_hNetConnection);
#endif
		delete CModInterface::GetSingleton();
		if(g_bReLaunch)
		{
			PROCESS_INFORMATION piApp;
			STARTUPINFO suiStartUp = {0};
			suiStartUp.cb = sizeof(STARTUPINFO);

			char sDllName[MAX_PATH + 1];
			GetModuleFileName(hModule, sDllName, MAX_PATH);
			char *pTmp;
			pTmp = strstr(sDllName, "Mod.dll");
			if(pTmp) *pTmp = 0;
			strcat(sDllName, "Mod.exe");

			BOOL bMadeProcess = CreateProcess(sDllName,GetCommandLine(),NULL,NULL,TRUE,NORMAL_PRIORITY_CLASS,NULL, NULL,&suiStartUp, &piApp);
		}
	}

    return TRUE;
}

#ifdef _MANAGED
#pragma managed(pop)
#endif