// dllmain.cpp : Definiert den Einstiegspunkt für die DLL-Anwendung.
#include "pch.h"
#include <string>
#include "Structs.h"
#define HOOK_ADDRESS

std::string text = "Fetthook";
DWORD dwRenderText = 0x0041A150;
DWORD JumpBack;
Player* localPlayer = (Player*)0x029EA740;
EntityList* entList = (EntityList*)0x0050F4F8;

void SimpleJMP(BYTE* pAddress, DWORD dwJumpTo, DWORD size) {
	DWORD dwOldProtect, dwOldProtect2;
	VirtualProtect(pAddress, size, PAGE_EXECUTE_READWRITE, &dwOldProtect);
	auto dwRelAddr = (DWORD)(dwJumpTo - (DWORD)pAddress) - 5;
	*pAddress = 0xE9;
	*((DWORD*)(pAddress + 0x1)) = dwRelAddr;
	VirtualProtect(pAddress, size, dwOldProtect, &dwOldProtect2);
}

void onAimbot() {

	if (GetAsyncKeyState(0x05)) {
		Vector3 headFromEnemy = entList->list[1]->head;
		Vector3 ourHead = localPlayer->head;


		Vector3 vecDirection = headFromEnemy - ourHead;
		//vecDirection.Normalize();
		Vector2 vecViewAngle;

		if (vecDirection.x == 0 && vecDirection.y == 0 && false) {
			vecViewAngle.y = 0; //yaw
			if (vecDirection.z > 0) {
				vecViewAngle.x = 270;
			}
			else {
				vecViewAngle.x = 90;
			}
		}
		else {
			vecViewAngle.y = -atan2(vecDirection.x, vecDirection.y) / PI * 180 + 180;

			float tmp = sqrtf(powf(vecDirection.x, 2) + powf(vecDirection.y, 2));
			vecViewAngle.x = (atan2(vecDirection.z, tmp) * 180 / PI);
		}

		//vecViewAngle.Normalize();

		//localPlayer.pitch = vecViewAngle.x;
		//localPlayer.yaw = vecViewAngle.y;

		localPlayer->pitch = vecViewAngle.x;
		localPlayer->yaw = vecViewAngle.y;
	}

}

void RenderText(const char* text, int x, int y) {
	_asm {
		mov eax, 0xFF
		push - 1
		push - 1
		push 0x00
		push 0x00
		push y
		push x
		push text
		call dwRenderText
		add esp, 1Ch
	}
}

__declspec(naked) void Hook() {
	_asm pushad;
	RenderText(text.c_str(), 100, 100);
	onAimbot();
	_asm
	{
		popad;
		mov eax, 0FFh;
		jmp [JumpBack];
	}
}

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
		JumpBack = 0x0040BA4A + 5;
		SimpleJMP((PBYTE)0x0040BA4A, (DWORD)Hook, 5);
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}