//==================================================================//
//============<   #DeathMatch GAMEMODE BY #OCTOTHORP  >=============//
//============<                  v1.0                 >=============//
//==================================================================//
//========================< #DM - settings >========================//
//============================<general>=============================//
private const float RESPAWN_DELAY = (float) 3000;
private const bool GIB_CORPSES_ON_RESPAWN = true;
private const int KILLS_LIMIT = 25;
//==================================================================//
//=================< DO NOT TOUCH ANYTHING IN BELOW >===============//
//==============< IF YOU'RE NOT SURE WHAT YOU'RE DOING >============//
//==================================================================//

private class PlyData {
	private IPlayer Body = null;
	private IUser User = null;
	private PlayerTeam Team = PlayerTeam.Independent;
	private	float RespawnTime = 0f;

	public PlyData(IPlayer ply, IUser user, PlayerTeam team, float respawnTime){
		this.Body = ply;
		this.User = user;
		this.Team = team;
		this.RespawnTime = respawnTime;
	}

	public float GetRespawnTime() {return this.RespawnTime;}
	public IPlayer GetBody() {return this.Body;}
	public IUser GetUser() {return this.User;}
	public PlayerTeam GetTeam() {return this.Team;}
}

private class ModData{
	private IGame Game;

	private string Version = "1.0";
	public int Kills = 0;
	// we'll add something else later

	// constructor
	public ModData(IGame game){
		this.Game = game;
	}

	public string GetVersion() {return this.Version;}
	public void Message(string text){
		Game.RunCommand("/MSG #DeathMatch: " + text);
	}
}

string[] restrictedMaps = new string[]{
	// these maps are hard-scripted, though their MapType is Versus
	"#Abadoned Subway (BG)"
};

Random rand = new Random();
private ModData Mod = null;
private List<PlyData> spawnQueue = new List<PlyData>();
private int usersAmount = 0;
private int lastKills = 0;

// =====< THE CODE >===== //

public void OnStartup(){
	// check if map is not hard-scripted so that scripts won't conflict
	bool mapIsGood = true;
	if (Game.GetMapType() == MapType.Custom) mapIsGood = false;
	else foreach (string mapName in restrictedMaps) if (mapName == Game.MapName) mapIsGood = false;

	if (mapIsGood){
		Mod = new ModData(Game);

		Game.SetMapType(MapType.Custom);
		usersAmount = Game.GetActiveUsers().Length;

		// death trigger
		IObjectTrigger deathTrigger = (IObjectTrigger)Game.CreateObject("OnPlayerDeathTrigger"); 
		deathTrigger.SetScriptMethod("Death");

		// tick triggers
			// respawn tick trigger
			CreateTimer(150, 0, "Tick_Respawn", "");

			// check connected users tick trigger
			CreateTimer(250, 0, "Tick_CheckUsers", "");

			// check connected users tick trigger
			CreateTimer(15000, 0, "Tick_CleanUp", "");

		// some annotations
		CheckGameOver();
		Mod.Message("v" + Mod.GetVersion());
	} else {
		Mod.Message("This map is restricted.");
	}
}

public void Death(TriggerArgs args){
	IPlayer ply = (IPlayer)args.Sender;
	IUser user = ply.GetUser();

	if (user != null && UserStillHere(user)){
		spawnQueue.Add(new PlyData(ply, user, ply.GetTeam(), FromNow(RESPAWN_DELAY)));
		Mod.Kills ++;
		//Mod.Message(user.GetProfile().Name + " died!");
	} else {
		Game.PlayEffect("PWT", ply.GetWorldPosition(), "PLAYER LEFT");
		Game.TriggerExplosion(ply.GetWorldPosition());
		ply.Gib();
	}
	CheckGameOver();
}

public void Tick_Respawn(TriggerArgs args){
	if (!Game.IsGameOver){
		for (int i = spawnQueue.Count - 1; i >= 0; i--){
			PlyData data = spawnQueue[i];

			if (Game.TotalElapsedGameTime >= data.GetRespawnTime()){
				// respawn player if user is here
				if (UserStillHere(data.GetUser())){
					SpawnPlayer(data.GetUser(), data.GetTeam());
					//Mod.Message(data.GetUser().GetProfile().Name + " spawned!");
				}
				// remove the corpse
				if (data.GetBody() != null){
					if (GIB_CORPSES_ON_RESPAWN) data.GetBody().Gib();
					else data.GetBody().Remove();
				}
				// remove entry from spawning queue
				spawnQueue.RemoveAt(i);
			}
		}
	} else {
		spawnQueue.Clear();
		foreach (IPlayer ply in Game.GetPlayers()){
			Game.TriggerExplosion(ply.GetWorldPosition());
			ply.Gib();
		}
	}
}

public void Tick_CleanUp(TriggerArgs args){
	IObject[] objectsToRemove = Game.GetObjectsByName(new string[]{
		"GIBLET00", "GIBLET01", "GIBLET02", "GIBLET03", "GIBLET04"});
	for (int i = 0; i < objectsToRemove.Length; i ++) objectsToRemove[i].Remove();
}

public void Tick_CheckUsers(TriggerArgs args){
	if (usersAmount < Game.GetActiveUsers().Length){
		foreach (IUser user in Game.GetActiveUsers()){
			if (user.GetPlayer() == null){
				bool justConnected = true;

				foreach (PlyData data in spawnQueue)
					if (data.GetUser().UserId == user.UserId) justConnected = false;

				if (justConnected) spawnQueue.Add(new PlyData(null, user, TeamAutoChoose(), FromNow(5000f)));
			}
		}
	}

	usersAmount = Game.GetActiveUsers().Length;
}

private void SpawnPlayer(IUser user, PlayerTeam team){
	IObject[] spawns = Game.GetObjectsByName("SpawnPlayer");
	Vector2 spawnPos = spawns[rand.Next(spawns.Length)].GetWorldPosition();

	IPlayer revivedPlayer = Game.CreatePlayer(spawnPos);
	revivedPlayer.SetUser(user);
	revivedPlayer.SetProfile(user.GetProfile());
	revivedPlayer.SetTeam(team);

	Game.PlayEffect("PWT", spawnPos, "Spawned!");
	Game.PlayEffect("Electric", spawnPos + new Vector2(0, 8));
	Game.PlaySound("ItemSpawn", spawnPos, 1f);

	CheckGameOver();	
}

private void CheckGameOver(){
	Color col = new Color(100,220,255);

	if (Mod.Kills != lastKills){
		if ((KILLS_LIMIT - Mod.Kills) % 10 == 0 && Mod.Kills != KILLS_LIMIT)
			Mod.Message((KILLS_LIMIT - Mod.Kills).ToString() + " kills remaining!");

		switch (Mod.Kills){
			case KILLS_LIMIT - 5: Mod.Message("5 kills remaining!"); break;
			case KILLS_LIMIT - 1: Mod.Message("Last kill remaining!"); break;
		}
	}

	if (Mod.Kills >= KILLS_LIMIT){
		Game.SetGameOver("Kills limit reached");
		Game.ShowPopupMessage("Total kills:  " + KILLS_LIMIT.ToString() + " / " + KILLS_LIMIT.ToString(), col);
	} else {
		Game.ShowPopupMessage("Total kills: " + Mod.Kills.ToString() + " / " + KILLS_LIMIT.ToString(), col);
	}

	lastKills = Mod.Kills;
}

// =====< helpers >===== //

private float FromNow(float delay) {return Game.TotalElapsedGameTime + delay;}

private bool UserStillHere(IUser user){
	foreach (IUser usr in Game.GetActiveUsers())
		if (usr.UserId == user.UserId) return true;
	return false;
}

private PlayerTeam TeamAutoChoose(){
	Dictionary<PlayerTeam, int> teams = new Dictionary<PlayerTeam, int>();

	// create list of teams and amount of players in it
	foreach (IUser user in Game.GetActiveUsers()){
		if (user.GetPlayer() != null){
			PlayerTeam team = user.GetPlayer().GetTeam();
			if (teams.ContainsKey(team)) teams[team] ++;
			else teams.Add(team, 1);
		}
	}

	// find out the team with the least amount of players and return it
	PlayerTeam minTeam = PlayerTeam.Independent;
	int minTeamAmount = 8;
	foreach (KeyValuePair<PlayerTeam,int> pair in teams){
		if (pair.Value < minTeamAmount){
			minTeamAmount = pair.Value;
			minTeam = pair.Key;
		}
	}

	if (teams.Count < 2 && !teams.ContainsKey(PlayerTeam.Independent))
		Game.SetGameOver("Round restart needed!");

	return minTeam;
}

private void CreateTimer(int interval, int count, string method, string id){
	IObjectTimerTrigger timerTrigger = (IObjectTimerTrigger)Game.CreateObject("TimerTrigger"); 
	timerTrigger.SetIntervalTime(interval);
	timerTrigger.SetRepeatCount(count);
	timerTrigger.SetScriptMethod(method);
	timerTrigger.CustomId = id;
	timerTrigger.Trigger();
}