/*
Metal Gear Solid Delta Autosplitter
Made by TheDementedSalad
TheDementedSalad: @thedementedsalad on Discord. Autosplit and Load Remover
Last updated: 4 Sept 2025
*/

state("MGSDelta-Win64-Shipping"){}
state("MGSDelta-WinGDK-Shipping"){}

startup
{
	Assembly.Load(File.ReadAllBytes("Components/asl-help")).CreateInstance("Basic");
	vars.Helper.Settings.CreateFromXml("Components/MGSDelta.Settings.xml", false);
	
	//This allows is to look through a bitmask in order to get split information
	vars.bitCheck = new Func<int, int, bool>((int val, int b) => (val & (1 << b)) != 0);
	
	vars.PendingSplits = 0;
}

init
{
	IntPtr gameStats = vars.Helper.ScanRel(3, "48 8b 05 ?? ?? ?? ?? 0f b7 88 ?? ?? ?? ?? 66 89 8b");
	IntPtr storyFlags = vars.Helper.ScanRel(3, "48 8b 1d ?? ?? ?? ?? 40 b6");
	IntPtr transitionFlags = vars.Helper.ScanRel(3, "48 8b 0d ?? ?? ?? ?? 48 85 c9 0f 84 ?? ?? ?? ?? 8b 41 ?? 48 8d 15");
	IntPtr pauseFlags = vars.Helper.ScanRel(3, "48 8d 0d ?? ?? ?? ?? 48 39 0d");
	
	vars.Helper["VMFlags"] = vars.Helper.Make<byte>(storyFlags, 0x3);
	vars.Helper["SEFlags"] = vars.Helper.Make<byte>(storyFlags, 0x5);
	
	vars.Helper["transition"] = vars.Helper.Make<byte>(transitionFlags, 0x12);
	vars.Helper["gameState"] = vars.Helper.Make<byte>(transitionFlags, 0x13);
	vars.Helper["areaTransition"] = vars.Helper.Make<byte>(transitionFlags, 0x15);
	
	vars.Helper["Map"] = vars.Helper.MakeString(gameStats, 0x24);
	vars.Helper["IGT"] = vars.Helper.Make<uint>(gameStats, 0x4C);
	vars.Helper["HP"] = vars.Helper.Make<byte>(gameStats, 0x7B4);
	
	vars.Helper["Alerts"] = vars.Helper.Make<short>(gameStats, 0x38);
	vars.Helper["Kills"] = vars.Helper.Make<short>(gameStats, 0x3A);
	vars.Helper["seriousDamage"] = vars.Helper.Make<short>(gameStats, 0x40);
	vars.Helper["totalDamage"] = vars.Helper.Make<short>(gameStats, 0x44);
	vars.Helper["foodTypes"] = vars.Helper.Make<byte>(gameStats, 0x3F);
	
	vars.Helper["pauseFlag"] = vars.Helper.Make<bool>(pauseFlags, 0x55);
	
	vars.completedSplits = new HashSet<string>();
	
	vars.pause = pauseFlags;
}

onStart
{
	vars.completedSplits.Clear();
	vars.PendingSplits = 0;
	
	// This makes sure the timer always starts at 0.00
    timer.IsGameTimePaused = true;
}

start
{
	return current.Map == "v001a_0" && vars.bitCheck(current.gameState, 1) && !vars.bitCheck(old.gameState, 1);
}

update
{
	vars.Helper.Update();
	vars.Helper.MapPointers();
}

split
{
	string mapSetting = "";
	string vmSetting = "";
	string seSetting = "";
	
	if(settings["Map"]){
		if(current.Map != old.Map && current.Map != "title"){
			mapSetting = old.Map;
			
			// Debug. Comment out before release.
			if (!string.IsNullOrEmpty(mapSetting))
			vars.Log(mapSetting);
		
			if (settings.ContainsKey(mapSetting) && settings[mapSetting]){
				return true;
			}
		}
	}
	
	if(current.VMFlags != old.VMFlags){
		vmSetting = "VM_" + current.VMFlags;
		
		if (settings.ContainsKey(vmSetting) && settings[vmSetting]){
			vars.PendingSplits++;
		}
		
		// Debug. Comment out before release.
		//if (!string.IsNullOrEmpty(vmSetting))
		//vars.Log(vmSetting);
	}
	
	if(current.SEFlags != old.SEFlags){
		seSetting = "SE_" + current.SEFlags;
		
		if (settings.ContainsKey(seSetting) && settings[seSetting]){
			vars.PendingSplits++;
		}
		
		// Debug. Comment out before release.
		//if (!string.IsNullOrEmpty(seSetting))
		//vars.Log(seSetting);
	}
	
	
	if(current.SEFlags == 214 && old.SEFlags != 214){
		return true;
	}
	
	// Debug. Comment out before release.
	//if (!string.IsNullOrEmpty(setting))
	//vars.Log(setting);

	if (vars.PendingSplits > 0 && (vars.completedSplits.Add(vmSetting) || vars.completedSplits.Add(seSetting)))
	{
		vars.PendingSplits--;
		return true;
	}
}

gameTime
{
	//return TimeSpan.FromSeconds(current.IGT / 60.0);
}

isLoading
{
	return current.areaTransition == 2 && (!vars.bitCheck(current.gameState, 1) && !vars.bitCheck(current.gameState, 2)) || vars.bitCheck(current.gameState, 4) || 
		current.transition == 2 && (!vars.bitCheck(current.gameState, 1) && !vars.bitCheck(current.gameState, 2)) || current.pauseFlag;
	//return true;
}

reset
{
	return current.Map == "v000a_0" && old.Map == "title";
}

exit
{

}