/*
   Attacking S.W.A.T. NPC/BOT by GangSteR]
*/


#include <a_samp>
#include <foreach>

forward OnSurvivorActions(playerid, targetid, name[]);

enum sInfo
{
	Timer,
	Run
};

new Spawned[MAX_PLAYERS]; // Nem bool változó kell ,mert az túlterheli a timert (tesztelve)!
new Shot[MAX_PLAYERS];
new Survivor[MAX_PLAYERS][sInfo];
new Float:zx,
	Float:zy,
	Float:zz,
	Float:hp;

stock SetPlayerToFacePlayer(playerid, targetid)
{

        new
                Float:pX,
                Float:pY,
                Float:pZ,
                Float:X,
                Float:Y,
                Float:Z,
                Float:ang;

        if(!IsPlayerConnected(playerid) || !IsPlayerConnected(targetid)) return 0;

        GetPlayerPos(targetid, X, Y, Z);
        GetPlayerPos(playerid, pX, pY, pZ);

        if( Y > pY ) ang = (-acos((X - pX) / floatsqroot((X - pX)*(X - pX) + (Y - pY)*(Y - pY))) - 90.0);
        else if( Y < pY && X < pX ) ang = (acos((X - pX) / floatsqroot((X - pX)*(X - pX) + (Y - pY)*(Y - pY))) - 450.0);
        else if( Y < pY ) ang = (acos((X - pX) / floatsqroot((X - pX)*(X - pX) + (Y - pY)*(Y - pY))) - 90.0);

        if(X > pX) ang = (floatabs(floatabs(ang) + 180.0));
        else ang = (floatabs(ang) - 180.0);

        SetPlayerFacingAngle(playerid, ang);

        return 0;

}

stock Float:GetDistanceToPlayer(playerid,playerid2)
{
        new Float:x1,Float:y1,Float:z1,Float:x2,Float:y2,Float:z2;
        if (!IsPlayerConnected(playerid) || !IsPlayerConnected(playerid2)) {
                return -1.00;
        }
        GetPlayerPos(playerid,x1,y1,z1);
        GetPlayerPos(playerid2,x2,y2,z2);
        return floatsqroot(floatpower(floatabs(floatsub(x2,x1)),2)+floatpower(floatabs(floatsub(y2,y1)),2)+floatpower(floatabs(floatsub(z2,z1)),2));
}

stock ClosestPlayer(p1)
{
        new Float:dis,Float:dis2,playerid;
        playerid = -1;
        dis = 99999.99;
        foreach (Player,i){
                dis2 = GetDistanceToPlayer(p1,i);
                if (dis2 < dis && dis2 != -1.00)
                {
                        dis = dis2;
                        playerid = i;
                }
        }
        return playerid;
}

stock Float:GetXYInFrontOfPlayer(playerid, &Float:x, &Float:y, Float:distance)
{
	new Float:a;
	GetPlayerPos(playerid, x, y, a);
	GetPlayerFacingAngle(playerid, a);
	x += (distance * floatsin(-a, degrees));
	y += (distance * floatcos(-a, degrees));
	return a;
}


public OnFilterScriptInit()
{
	ConnectNPC("Survivor", "test");
	return 1;
}

public OnFilterScriptExit()
{
	return 1;
}

public OnPlayerConnect(playerid)
{
	if(IsPlayerNPC(playerid))
	{
		new name[MAX_PLAYER_NAME];
		GetPlayerName(playerid, name, MAX_PLAYER_NAME);
		if(!strcmp(name, "Survivor", true))
		{
		    Survivor[playerid][Timer] = SetTimerEx("OnSurvivorActions", 400, true, "i", playerid);
		    SpawnPlayer(playerid);
		}
	}
	else{
	    Spawned[playerid] = 0;
	    Shot[playerid] = 0;
	}
	return 1;
}

public OnPlayerDisconnect(playerid)
{
	if(!IsPlayerNPC(playerid))
	{
	    Spawned[playerid] = 0;
	    Shot[playerid] = 0;
	}
	return 1;
}

public OnPlayerSpawn(playerid)
{
	if(IsPlayerNPC(playerid))
	{
	    new name[MAX_PLAYER_NAME];
	    GetPlayerName(playerid, name, MAX_PLAYER_NAME);
	    if(!strcmp(name, "Survivor", true))
	    {
	        SetPlayerSkin(playerid, 285);
	        SetPlayerColor(playerid, 0x1B57C4AA);
	        Survivor[playerid][Run] = 1;
		}
	}
	else
	{
	    Spawned[playerid] = 1;
	    Shot[playerid] = 0;
	}
	return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
	if(!IsPlayerNPC(playerid))
	{
    	Spawned[playerid] = 0;
    	Shot[playerid] = 0;
	}
    return 1;
}

public OnSurvivorActions(playerid, targetid, name[])
{
	targetid = ClosestPlayer(playerid);
	if(IsPlayerNPC(playerid) && !IsPlayerNPC(targetid))
	{
	    GetPlayerPos(playerid, zx, zy, zz);
	    if(Survivor[playerid][Run] == 1 && Spawned[targetid] == 1)
	    {
	        SetPlayerToFacePlayer(playerid, targetid);
		    if(GetDistanceToPlayer(playerid, targetid) < 36)
		    {
                Shot[playerid] ++;
		        if(Shot[playerid] == 1 || Shot[playerid] == 2)
		        {
          			SetPlayerAttachedObject(playerid, 0, 356, 6, -0.088831, -0.041855, 0.081119, 0.000000, 20.000000, 0.000000, 1.000000, 1.000000, 1.000000);
					SendClientMessage(targetid, 0xF51D1DAA, "A kommandós lő téged!");
				}
		        GetPlayerHealth(targetid, hp);
		        SetPlayerHealth(targetid, hp-5.5);
		        PlayerPlaySound(targetid, 1057,0.0,0.0,0.0);
				ApplyAnimation(playerid, "Ped","gun_stand", 1,1,1,0,0,0);
				if(hp < 5.6)
				{
				    SendDeathMessage(playerid, targetid, 53);
				}
			}
			if(GetDistanceToPlayer(playerid, targetid) > 45)
			{
			    ApplyAnimation(playerid, "Ped","run_civi", 1,1,1,0,0,0);
			    GetXYInFrontOfPlayer(playerid, zx, zy, 2.3);
			    SetPlayerPos(playerid, zx, zy, zz);
			    Shot[playerid] = 0;
			}
		}
	}
	return 1;
}