// ==UserScript==
// @name     	Surviv.io_aimbot
// @namespace    http://tampermonkey.net/
// @version  	1
// @grant    	unsafeWindow
// @author       https://github.com/rpasta42
// @match        http://surviv.io/*
// @require      http://code.jquery.com/jquery-3.3.1.js 
// ==/UserScript==

//http://code.jquery.com/jquery-1.12.4.min.js

(function() {
	$(function() { main(); });
})();


function main() {
	var game;
  var botConfig = {}; 
  
  initConfig();
  initUi();
  

	botLoop(); 


function toDegrees (angle) {
  return angle * (180 / Math.PI);
}

function toRadians (angle) {
  return angle * (Math.PI / 180);
}

function getPosFromAngle(angle) {
	//var y = Math.sin(toRadians(angle));
	//var x = Math.sqrt(1-Math.pow(y, 1));
	var rad = toRadians(angle);
	var x = Math.cos(rad);
	var y = Math.sin(rad);

	if (angle == 360)
		angle = 0;
	if (angle == 0) {
		x = 1;
		y = 0
	}
	if (angle == 90) {
		y = 1;
		x = 0;
	} else if (angle == 180) {
		x = -1;
		y = 0;
	} else if (angle == 270) {
		y = -1;
		x = 0;

	}

	return {
		x : x,
		y : y
	}
}

function getCameraCenter() {
	return {
		x : game.camera.screenWidth / 2,
		y : game.camera.screenHeight / 2
	}
}

function setAngle(angle) {

	//angle -= 90;
	var cameraAdd = getPosFromAngle(angle);
	var centerPos = getCameraCenter();

	game.input.mousePos.x = centerPos.x + (cameraAdd.x);
	game.input.mousePos.y = centerPos.y + (cameraAdd.y);

}



function turnTo(x, y) {
	var distanceX = x - game.camera.pos.x;
	var distanceY = y - game.camera.pos.y;

	var rad = Math.atan(distanceY/distanceX);
	var deg = toDegrees(rad);

	//console.log(deg);

	//if (deg > 270 && deg < 420)
	//	deg -= 180;

	if (deg > 360)
		deg -= 360;

	deg = 360 - deg;

	if (game.camera.pos.x-x  > 0) {
		//deg = 90-deg;
		//console.log('bad aim', deg);
		if (deg > 360)
			deg -= 360;
		deg = 180 - deg;
		deg = - deg;
	}




	//if (deg < 0)
	//	deg = 360 - Math.abs(deg);


	setAngle(deg);
}


function findDistance(pos1, pos2) {
	var x1 = pos1.x;
	var x2 = pos2.x;
	var y1 = pos1.y;
	var y2 = pos2.y;
	//sqrt((x1-x2)^2 + (y1-y2)^2)
	return Math.sqrt(Math.pow(x1-x2, 2) + Math.pow(y1-y2, 2));
}


  
var newPlayerCounter = 0;
var closestPlayerIndex = -1;

  
var dead_ids = [];
var deadCounter = 0;
  
function getDeadIds() {
	//console.log(game.deadBodyBarn.deadBodyPool.pool);
  
  if (!deadCounter++ < 20)
    return dead_ids;
  deadCounter = 0;
  
 
  var deadPool = game.deadBodyBarn.deadBodyPool.pool;
  dead_ids = [];
  for (var i in deadPool) {
    var deadItem = deadPool[i];
    
  	 dead_ids.push(deadItem.__id);
  }
  //console.log(dead_ids);
  return dead_ids;
}
  
function findClosestEnemy() {

	var currPlayerPos = game.camera.pos;

	var players = game.playerBarn.playerPool.pool;

	var minPlayerDistance = 1000000;
	var minPlayerIndex = -1;

  
  
  var deadPlayers = getDeadIds();
  //console.log(deadPlayers);
  
	if (newPlayerCounter++ == 10 ||  closestPlayerIndex == -1) {
		newPlayerCounter = 0;
	}
	else {
		if (deadPlayers.includes(players[closestPlayerIndex].__id)) {
			closestPlayerIndex = -1;
      return -1;
		}
		return players[closestPlayerIndex].pos;
  }
  
	for (var i in players) {
		var player = players[i];
    //console.log(player.bleedTicker);
    if (deadPlayers.includes(player.__idaa))
        continue;
		//if (player.downed || !player.active) continue;
 

		var playerPos = player.pos;
		var distance = findDistance(currPlayerPos, playerPos);
		if (distance > 0.5 && distance < 60) {
			if (distance < minPlayerDistance) {
				minPlayerDistance = distance;
				minPlayerIndex = i;
			}
		}
	}

	closestPlayerIndex = minPlayerIndex;
  
	if (minPlayerIndex == -1)
		return -1;

	return players[minPlayerIndex].pos;
}




var botLoopC = 0;

var isInjected = false;

function botLoop() {

  if (!botConfig.enabled) {
    setTimeout(botLoop, 300);
    return;
  }
  
	try {
    if (unsafeWindow.game == null) {
      console.log('waiting for game to start', window.game);
      setTimeout(botLoop, 300); 
      return;
    }
    if (!isInjected) {
      console.log('bot injected');
      isInjected = true;
    }
    game = unsafeWindow.game;

    var closestPlayer = findClosestEnemy();


    //console.log('loop', closestPlayer, game.camera.pos);
    if (closestPlayer != -1) {
      //slowlyMoveTo(closestPlayer.x, y);
      turnTo(closestPlayer.x, closestPlayer.y);
      //game.input.mousePos.x = closestPlayer.x;
      //game.input.mousePos.y = closestPlayer.y;
    }
    botLoopC++;
  }
  catch (error) {
    console.log('surviv err: ', error);
  }
  //if (botLoopC < 200)
  window.setTimeout(botLoop, 30);
}
//botLoop();


////////////////////

  

  
function initConfig() {
  botConfig = {
		enabled : true 
  }
  unsafeWindow.botConfig = botConfig;
  

  
  
  function toggleBot() {
		unsafeWindow.botConfig.enabled = !unsafeWindow.botConfig.enabled;
	}
  
  $(window).on('keypress', function(e) {

    var code = (e.keyCode ? e.keyCode : e.which);
    if(code == 'z'.charCodeAt(0)) { 
    	toggleBot();
    }

	});
  
}


function initUi() {


  
	var uiHtml = `
<div id='botInfo'>

	<div>Bot enabled:<span id='botEnabled'>?</span></div>
	

<div>

<style>
#botInfo {
	z-index:  50000000;
	position: fixed;
	top: 50%;
	margin: 10px;
	padding: 15px;
	background-color: #333388;
	left: 0;
	border-style: solid;
	border-width: 5px;
	border-color:	red;
}
</style>
	`;
  
  
  function updateUi() {
  	console.log('update ui called');
    
      	
    $('#botEnabled').text(botConfig.enabled ? "true" : "false");
  }
  
	var interval = setInterval(updateUi, 500);
  
	$("body").append(uiHtml);

  
}

  
  
  
  
  
////////////////////
  

var _angle = 0;
function testAngle() {
	if (_angle < 360) {
		setAngle(_angle);
		_angle += 1;
		setTimeout(testAngle, 10);
	}
}
//testAngle();

function testLocation() {
	console.log(game.camera.pos);
	setTimeout(testLocation, 100);
}//testLocation();
  
  
}