Trigger Include

/********************************
 *   Trigger Include            *
 *                              *
 *   @Author:      Maddin       *
 *   @Version:     1.0          *
 *   @Released:    04/07/2011   *
 *                              *
 ********************************/
#if defined _ET_included
    #endinput
#endif
#define _ET_included
#pragma library ET
#if !defined MAX_TRIGGER
    #define MAX_TRIGGER (20)
#endif
#if !defined TRIGGER_CHECK
    #define TRIGGER_CHECK (500)
#endif
#define ET::    ET_
//||=========================================================================================================================================================================||
enum
    ET::TriggerData
    {
        ET::ID,
        Float:ET::Pos[3],
        Float:ET::Range,
        ET::playerid,
        ET::vehicleid,
        ET::VirtualWorld,
        ET::Interior,
        bool:ET::Active
    };
new ET::Trigger[MAX_TRIGGER][ET::TriggerData];
#if defined _foreach_included
    new Iterator:Trigger<MAX_TRIGGER>;
#endif
//||=========================================================================================================================================================================||
forward OnPlayerHandleTrigger(playerid, triggerID);
//||=========================================================================================================================================================================||
public OnGameModeInit()
{
    SetTimer("ET_CheckTrigger", TRIGGER_CHECK, true);
    if (funcidx("ET_OnGameModeInit") != -1)
    {
        return CallLocalFunction("ET_OnGameModeInit", "");
    }
    return true;
}
#if defined _ALS_OnGameModeInit
    #undef OnGameModeInit
#else
    #define _ALS_OnGameModeInit
#endif
#define OnGameModeInit ET::OnGameModeInit
forward ET::OnGameModeInit();

stock CreateTrigger(Float:PositionX, Float:PositionY, Float:PositionZ, Float:Range, playerid = INVALID_PLAYER_ID, vehicleid = INVALID_VEHICLE_ID, VirtualWorld = -1, Interior = -1)
{
    new triggerID = GetFreeTriggerID();

    ET::Trigger[triggerID][ET::ID]              = triggerID;
    ET::Trigger[triggerID][ET::Pos][0]          = PositionX;
    ET::Trigger[triggerID][ET::Pos][1]          = PositionY;
    ET::Trigger[triggerID][ET::Pos][2]          = PositionZ;
    ET::Trigger[triggerID][ET::Range]           = Range;
    ET::Trigger[triggerID][ET::playerid]        = playerid;
    ET::Trigger[triggerID][ET::vehicleid]       = vehicleid;
    ET::Trigger[triggerID][ET::VirtualWorld]    = VirtualWorld;
    ET::Trigger[triggerID][ET::Interior]        = Interior;
    ET::Trigger[triggerID][ET::Active]          = true;
    #if defined _foreach_included
        Iter_Add(Trigger, triggerID);
    #endif
    return triggerID;
}

stock GetFreeTriggerID()
{
    #if defined _foreach_included
    foreach(Trigger, triggerID)
    #else
    for(new triggerID = 0; triggerID < MAX_TRIGGER, triggerID++;)
    #endif
    {
        if(!ET::Trigger[triggerID][ET::Active]) return triggerID;
    }
    return -1;
}

stock ToggleTrigger(triggerID, bool:toggle)
{
    if(ET::Trigger[triggerID][ET::ID]==-1) return false;
    ET::Trigger[triggerID][ET::Active] = toggle;
    return true;
}

stock DestroyTrigger(triggerID)
{
    ET::Trigger[triggerID][ET::ID]              = -1;
    ET::Trigger[triggerID][ET::Pos][0]          = 0.0;
    ET::Trigger[triggerID][ET::Pos][1]          = 0.0;
    ET::Trigger[triggerID][ET::Pos][2]          = 0.0;
    ET::Trigger[triggerID][ET::Range]           = 0.0;
    ET::Trigger[triggerID][ET::playerid]        = INVALID_PLAYER_ID;
    ET::Trigger[triggerID][ET::vehicleid]       = INVALID_VEHICLE_ID;
    ET::Trigger[triggerID][ET::VirtualWorld]    = -1;
    ET::Trigger[triggerID][ET::Interior]        = -1;
    ET::Trigger[triggerID][ET::Active]          = false;
    #if defined _foreach_included
        Iter_Remove(Trigger, triggerID);
    #endif
    return true;
}

forward ET::CheckTrigger();
public ET::CheckTrigger()
{
#if defined _foreach_included
    foreach(Player, i)
    {
        foreach(Trigger, triggerID)
#else
    for ( new slots = GetMaxPlayers( ), i; i < slots; i++ )
    {
        for(new triggerID = 0; triggerID < MAX_TRIGGER, triggerID++;)
#endif
        {
            if(!ET::Trigger[triggerID][ET::Active]) continue;
            if(ET::Trigger[triggerID][ET::ID]==-1) continue;
            if(ET::Trigger[triggerID][ET::playerid] != i && ET::Trigger[triggerID][ET::playerid] != INVALID_PLAYER_ID) continue;
            if(ET::Trigger[triggerID][ET::vehicleid] != GetPlayerVehicleID(i) && ET::Trigger[triggerID][ET::vehicleid] != INVALID_VEHICLE_ID) continue;
            if(ET::Trigger[triggerID][ET::VirtualWorld] != GetPlayerVirtualWorld(i) && ET::Trigger[triggerID][ET::VirtualWorld] != -1) continue;
            if(ET::Trigger[triggerID][ET::Interior] != GetPlayerInterior(i) && ET::Trigger[triggerID][ET::Interior] != -1) continue;
            if(IsPlayerInRangeOfPoint(i, ET::Trigger[triggerID][ET::Range], ET::Trigger[triggerID][ET::Pos][0], ET::Trigger[triggerID][ET::Pos][1], ET::Trigger[triggerID][ET::Pos][2]))
            {
                if (funcidx("OnPlayerHandleTrigger") != -1)
                {
                    return CallLocalFunction("OnPlayerHandleTrigger", "ii", i, triggerID);
                }
            }
        }
    }
    return true;
}