HelpSource Code For Hotkey - Would This Work?

#include <Windows.h>
#include <iostream>
#include <d3d9.h>

#define FlyHack				0x379377B8
#define GameStatus			0x3796392C

bool Fly = false;
DWORD * GameStatusAddy = (DWORD *) GameStatus;

void TheHackLoop(){
	while(true){
		if(*(BYTE *) GameStatusAddy == 1){
			DWORD * P = (DWORD *) FlyHack;
			
			// Check for toggle request
			if(GetAsyncKeyState(VK_CONTROL) && GetAsyncKeyState(0X4D)){ // Control and M
				Fly = !Fly;
				if(Fly){ // fly turned on
					Beep((DWORD) 528, (DWORD)500);
					Sleep(75);
					Beep((DWORD) 528, (DWORD)500);
				}else{ // fly turned off
					Beep((DWORD) 350, (DWORD)500);
					*(float *) P = -800.00;
				}
			}

			// check for fly request
			if(Fly){
				// check for up or down
				long PreviousGravity = (LONG) P;
				if(Fly && GetAsyncKeyState(VK_ADD)){ // up. Gravity += 50;
					long NewGravity =  PreviousGravity + 50;
					*(float *) P = (FLOAT) NewGravity;
				}else if(Fly && GetAsyncKeyState(VK_SUBTRACT)){ // Down. Gravity -= 50;
					long NewGravity =  PreviousGravity - 50;
					*(float *) P = (FLOAT) NewGravity;
				}
			}
		}
		Sleep(75);
	}
}

void LoadUp(){
	while(true){
		if(IsGameReady()){
			break;	
		}
		Sleep(150);
	}
	TheHackLoop();
}

BOOL IsGameReady(){
	DWORD YeahOrNah = (DWORD)GetModuleHandleA("cshell.dll");
	if(YeahOrNah){ // Loaded
		return TRUE;
	}else{
		return FALSE;
	}
}


INT WINAPI DllMain(HMODULE hModule, DWORD dwReason, LPVOID lpReserved)
{
	DisableThreadLibraryCalls(hModule);

	if(dwReason == DLL_PROCESS_ATTACH)
	{
      CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE)LoadUp,NULL,NULL,NULL);
	}
	return 1;
}