Deobfuscated GTA V UFO Script

	/************************************
	Deobfuscation of GTAV UFO script
	Created by Reddit User /u/KuztomX
	Original found at http://pastebin.com/wrecyG44
        ************************************/

	void main()

	{

		// Initialize some variables

		l_2 = 1;

		l_3 = 134;

		l_4 = 134;

		l_5 = 1;

		l_6 = 1;

		l_7 = 1;

		l_8 = 134;

		l_9 = 1;

		l_10 = 12;

		l_11 = 12;


		// If some value in memory (RAM) is equal to ZERO
		// Then disable the UFO

		if (rPtr(((&g_86931) + 7795) + 3818) == 0)

		{

			DisableUFO();  // formerly called sub_4256()

		}


		// If some property of the player is not equal to ZERO,
		// Then disable the UFO

		if (PLAYER::0x4B37333C(18) != 0)

		{

			DisableUFO();  // formerly called sub_4256()

		}


		// Main logic which will continually loop

		while (true)

		{

			// This is meaningless as 1 does not equal to zero

			if (1 == 0)

			{

				return;

			}


			// A wait call of 0 msecs, probably to let other threads interrupt if needed (so as not to COMPLETELY hog all CPU resources)

			SYSTEM::WAIT(0);



			// If player isn't even in range of UFO
			// Then disable the UFO

			if (BRAIN::IS_WORLD_POINT_WITHIN_BRAIN_ACTIVATION_RANGE() == 0)

			{

				DisableUFO();  // formerly called sub_4256()

			}



			// The loop has three different states:
			// - "Check for UFO conditions" State
			// - "Turn on UFO" State
			// - "Disable UFO when conditions go away" State
			// This switch statement executes code based on the current state
			// As one state completes, the script moves incrementally to the next state

			switch (current_state)

			{

				case 0:   // Check for UFO conditions State

				{

					// If it is 3 Oclock AND the weather conditions are right (raining / thundering)
					// Then move to next state (Turn on UFO Step)

					bool Is_It_3_OCLOCK = TIME::GET_CLOCK_HOURS() == 3;

					if (Is_It_3_OCLOCK & AreWeatherConditionsRightForUFO())  // formerly called sub_4214

					{

						current_state = 1;

					}

					break;

				}

				case 1:   // "Turn on UFO" State


					// This method will do nothing because it checks if the first variable (149) matches 192 before it does anything
					// Otherwise, it does nothing.  In this case, sending 149 will do nothing so this call doesn't matter

					sub_CF(149, 1, 0, 1);


	                    	// Move to the next state, which is "Disable UFO when conditions go away Step"

					current_state = 2;


					// If the ambient zone is not UFO, then turn it on

					if (AUDIO::IS_AMBIENT_ZONE_ENABLED("AZ_SPECIAL_UFO_03") == 0)

		                	{

		                    AUDIO::SET_AMBIENT_ZONE_STATE("AZ_SPECIAL_UFO_03", 1, 1);

		                	}

		                	break;


				case 2:  // "Disable UFO when conditions go away" State

		     		{

					// If it is no longer 3 Oclock OR the weather conditions stopped raining / thundering
					// Then disable the UFO

		            	bool Is_It_NOT_3_OCLOCK = TIME::GET_CLOCK_HOURS() != 3;



		            	if (Is_It_NOT_3_OCLOCK | (AreWeatherConditionsRightForUFO() == 0))  // formerly called sub_4214

		            	{

		           			DisableUFO();  // formerly called sub_4256()

		            	}

		            	break;

				}

			}

		}

	}



	void sub_CF(var A_0, var A_1, var A_2, var A_3)

	{

		// The only value passed into variable A_0 from the Main Loop is 149
		// So at this point, this conditional check will fail and the method will do nothing
		// So all the other logic in this is meaningless for this context

		if (A_0 != 192)

		{


			// All this logic in here WILL ONLY be called if something OTHER than 149 is passed into variable A_0
			// Because 149 is hard-coded, the only way this will happen is if someone manipulates the value with a Game-Genie-like tool
			// OR if Rockstar publishes an update that changes that code to pass in 192 instead of 149
			// OR if the hardcoded values in the script can be changed during runtime by the engine (which means we need to look elsewhere in code)

		    	if (g_59935 != 0)

		 	{

		   		setElem(A_1, A_0, ((&g_1338499) + 61) + 226, 4);

		    	}

		     	else

		     	{

		     		setElem(A_1, A_0, ((&g_86931) + 4964) + 226, 4);

		 	}

		     	setElem(A_2, A_0, &g_26924, 4);

		     	setElem(1, A_0, &g_27117, 4);

		     	sub_22F(A_0, A_3, 0);

		     	sub_127(A_0, A_1);

		}

	}


	// The rest of the code is meaningless until the value 192 is passed into variable A_0 of method Sub_CF

	...


	// Method: AreWeatherConditionsRightForUFO
	// Original Call: sub_4214
	// Checks to see that the next or previous weather is either rain or thunder

	var AreWeatherConditionsRightForUFO()

	{


		// Check a bunch of conditions, and if one matches, return true
		// Conditions checked
		// Next weather is rain
		// Next weather is thunder
		// Previous weather is rain
		// Previous weather is thunder

		var num1 = GAMEPLAY::IS_NEXT_WEATHER_TYPE("RAIN");

		var num6 = num1 | GAMEPLAY::IS_NEXT_WEATHER_TYPE("THUNDER");

		var num7 = num6 | GAMEPLAY::IS_PREV_WEATHER_TYPE("RAIN");

		if ((num7 | GAMEPLAY::IS_PREV_WEATHER_TYPE("THUNDER")) != 0)

		{

			return 1;

		}

		return 0;

	}




	// Method: DisableUFO
	// Original Call: sub_4256()
	// Disables the ambient setting for the UFO and terminates the thread (exiting UFO logic)

	void DisableUFO()

	{

 		// Call sub_CF with hardcoded value 149 for parameter A_0, which means this will do nothing

	   	sub_CF(149, 0, 1, 1);


		// If the ambient zone for UFO is enabled
		// Then disable it

		if (AUDIO::IS_AMBIENT_ZONE_ENABLED("AZ_SPECIAL_UFO_03") != 0)

		{

			AUDIO::SET_AMBIENT_ZONE_STATE("AZ_SPECIAL_UFO_03", 0, 1);

		}


		// Terminate the thread, which breaks us from the UFO main loop

		SCRIPT::TERMINATE_THIS_THREAD();

	}