[FS] Shark-Killer (english version)

/*=============================================================================*
* Sistema Shark-Killer  V 1.0                                                       *
* Autor: NullBot                                                               *
* Versión: 1.0                                                                 *
* Versión SA-MP: 0.3.7                                                         *
* Tipo de script: FilterScript                                                 *
* Fecha: 1/10/2015                                                             *
*=============================================================================*/
/*------------------------------------------------------------------------------*/
#define Version "1.0"

#include <a_samp>
#define MAX_TIMEINWATER 10
#define ROJO 0xE60000FF
#define MAX_DEEP 10

/*-- ANTI DESCOMPILADOR --*/
AntiDeAMX()
{
   new a[][] =
   {
      "Unarmed (Fist)",
      "Brass K"
   };
   #pragma unused a
}

/*-- Callbacks --*/
public OnFilterScriptInit()
{
    AntiDeAMX();

    /* TIMERS */
    SetTimer("TIMEINWATER", 968, true);


    for(new i = 0, plys = GetMaxPlayers(); i < plys; i++)
    {
        SetPVarInt(i, "Spawn", 0);
        SetPVarInt(i, "TimeSwiming", 0);
        SetPVarInt(i, "Object_Shark", -1);
    }

    print("\n");
    print(" *-----------------------*");
    printf(" # Shark-Killer     v%s #", Version);
    print(" *-----------------------*");
    print("\n");
    return 1;
}

public OnFilterScriptExit()
{
    return 1;
}

public OnPlayerConnect(playerid)
{
    SetPVarInt(playerid, "Spawn", 0);
    SetPVarInt(playerid, "TimeSwiming", 0);
    SetPVarInt(playerid, "Object_Shark", -1);

    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    if(IsPlayerNPC(playerid)) return 1;


    return 1;
}

public OnPlayerRequestClass(playerid, classid)
{
    SetPVarInt(playerid, "Spawn", 0);
    return 1;
}

public OnPlayerSpawn(playerid)
{

    SetPVarInt(playerid, "Spawn", 1);
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    SetPVarInt(playerid, "Spawn", 0);
    SetPVarInt(playerid,"TimeSwiming",0);
    if(GetPVarInt(playerid, "Object_Shark") > -1 )
        DestroyObject(GetPVarInt(playerid, "Object_Shark"));

    SetPVarInt(playerid, "Object_Shark",-1);
    SetCameraBehindPlayer(playerid);
    return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{

    return 1;
}

public OnPlayerEnterVehicle(playerid, vehicleid)
{
    if(GetPVarInt(playerid, "Object_Shark") > -1)
    {
        SetPVarInt(playerid,"TimeSwiming",0);
        SetCameraBehindPlayer(playerid);
        DestroyObject(GetPVarInt(playerid, "Object_Shark"));
        SetPVarInt(playerid, "Object_Shark",-1);

    }
    return 1;
}

public OnPlayerUpdate(playerid)
{
    if(IsPlayerNPC(playerid)) return 1;


    return 1;
}

forward TIMEINWATER();
public TIMEINWATER()
{

      new Float: x, Float: y, Float: z;
      for(new i = 0, plys = GetMaxPlayers(); i < plys; i++)
      {
        if(GetPVarInt(i,"Spawn") && !IsPlayerNPC(i) )
          {
             GetPlayerPos(i,x,y,z);
             #pragma unused x
             #pragma unused y

             if(z < MAX_DEEP)
             {

                  if(GetPVarInt(i, "Object_Shark") == -1)
                      MakeShark(i);

             }

             if(z < 0 && GetPVarInt(i, "Object_Shark") > -1)
             {
                    SetPVarInt(i,"TimeSwiming",GetPVarInt(i,"TimeSwiming") + 1);
             }

             if(z > 1.2 && GetPVarInt(i, "Object_Shark") > -1  )
             {
                SetPVarInt(i,"TimeSwiming",0);
                DestroyObject(GetPVarInt(i, "Object_Shark"));
                SetPVarInt(i, "Object_Shark",-1);
                SetCameraBehindPlayer(i);
             }

          }
      }
}
forward MakeShark(playerid);
public MakeShark(playerid)
{
    new Float: Px, Float: Py, Float: Pz;
    GetPlayerPos(playerid,Px,Py,Pz);

    SetPlayerCameraPos(playerid, Px, Py, Pz-2);
    SetPVarInt(playerid, "Object_Shark", CreateObject(1608,Px,Py,Pz-15.0,45.0,45.0,0.0,200.0));
    PlayAudioStreamForPlayer(playerid, "http://sampleswap.org/samples-ghost/INSTRUMENTS%20multisampled/PADS%20and%20STRINGS/Heavy%20Strings/2415%5Bkb%5DHeavyStringsC-02.wav.mp3");
    MoveObject( GetPVarInt(playerid,"Object_Shark"),Px,Py,Pz,3.0);
    FollowCamera(playerid);




}
forward FollowCamera(playerid);
public FollowCamera(playerid)
{
  if(GetPVarInt(playerid, "Object_Shark") > -1)
  {
     new Float: x, Float: y, Float: z;

     GetObjectPos(GetPVarInt(playerid, "Object_Shark"),x,y,z);
     GetPlayerPos(playerid,x,y,z);

     if( GetPVarInt(playerid,"TimeSwiming") < MAX_TIMEINWATER)
        SetPlayerCameraLookAt(playerid, x, y, z,2);

     else SetCameraBehindPlayer(playerid);
     return SetTimerEx("FollowCamera",795,false,"i",playerid);

  }
  else SetCameraBehindPlayer(playerid);
  return 1;

}
public OnObjectMoved(objectid)
{
    new Float: x, Float: y, Float: z;
    for(new i = 0, plys = GetMaxPlayers(); i < plys; i++)
    {
        if(GetPVarInt(i,"Object_Shark") > -1 && objectid == GetPVarInt(i,"Object_Shark") )
        {
            GetObjectPos(objectid,x,y,z);
            if (IsPlayerInRangeOfPoint(i, 2.0, x, y, z) && GetPVarInt(i,"Spawn") && GetPVarInt(i,"TimeSwiming")> 0 && !IsPlayerNPC(i) )
            {

                SendClientMessage(i, ROJO, "Killed by a Shark!");
                SetCameraBehindPlayer(i);
                SetPVarInt(i,"TimeSwiming",0);
                SetPlayerHealth(i,0.0);
                DestroyObject(GetPVarInt(i, "Object_Shark"));
                SetPVarInt(i, "Object_Shark",-1);

            }
            if(GetPVarInt(i,"Object_Shark") != -1)
            {
                GetPlayerPos(i, x, y, z);
                SetPlayerFacingAngleToPlayer(i);
                MoveObject( GetPVarInt(i,"Object_Shark"),x,y,z-1.5,4.5);
            }
        }
    }
    return 1;
}

stock SetPlayerFacingAngleToPlayer(playerid)
{
    new
        Float:X1,
        Float:Y1,
        Float:X2,
        Float:Y2,
        Float:Angle;

    GetPlayerPos(playerid, X1, Y1, Angle);
    GetObjectPos(GetPVarInt(playerid,"Object_Shark"), X2, Y2,Angle);
    GetAngle(X2, Y2,  X1, Y1, Angle);
    SetObjectRot(GetPVarInt(playerid,"Object_Shark"),0.0,0.0,Angle+180);

}

//Por Zoutdaxv
stock GetAngle(Float:X, Float:Y, Float:CurrentX, Float:CurrentY, &Float:Angle)
{
    Angle = atan2(Y-CurrentY, X-CurrentX);
    Angle = floatsub(Angle, 90.0);
    if(Angle < 0.0) Angle = floatadd(Angle, 360.0);
}
//------------------------------------------------------------------------------
/*

              www.puramasacre.com

*/