SimpleDMZones - Yuryfury

//==================================================Include==================================================
#include <a_samp>

//==================================================Native==================================================

/*
native CreateDeathmatchZone(Float:minx,Float:miny,Float:maxx,Float:maxy);
native DestroyDeathmatchZone(dmzoneid);
native IsPlayerInDMZone(playerid,dmzoneid);
native IsPlayerInAnyDMZone(playerid);
native GetPlayerDMZone(playerid)
*/

//==================================================Define==================================================
#define MAX_DM_ZONES 100
#define DMZoneCheckTime 500

//==================================================Forward==================================================
forward OnPlayerEnterDeathmatchZone(playerid,dmzoneid);
forward OnPlayerLeaveDeathmatchZone(playerid,dmzoneid);
forward DeathmatchZoneCheck();

//==================================================New & Enum==================================================
enum DMINFO
{
    Created,

    Float:minX,
    Float:minY,
    Float:minZ,
    Float:maxX,
    Float:maxY,
    Float:maxZ,
};
new DMZone[MAX_DM_ZONES][DMINFO];

new PlayerDMZone[MAX_PLAYERS];
new LastPlayerDMZone[MAX_PLAYERS];

new DeathmatchZoneCheckTimer;

//==================================================Stock/Functions==================================================
stock IsPlayerInArea(playerid, Float:min_x, Float:min_y, Float:max_x, Float:max_y)
{
    new Float:X, Float:Y, Float:Z;
    GetPlayerPos(playerid, X, Y, Z);
    if(X <= max_x && X >= min_x && Y <= max_y && Y >= min_y) return 1;
    return 0;
}

stock CreateDeathmatchZone(Float:minx,Float:miny,Float:maxx,Float:maxy)
{
    new dmzoneid;
    for (new i = 1; i<MAX_DM_ZONES; i++)
    {
        if(DMZone[i][Created]==0)
        {
            dmzoneid=i;
            break;
        }
    }
    DMZone[dmzoneid][Created]=1;
    DMZone[dmzoneid][minX]=minx;
    DMZone[dmzoneid][minY]=miny;
    DMZone[dmzoneid][maxX]=maxx;
    DMZone[dmzoneid][maxY]=maxy;

    return dmzoneid;
}

stock DestroyDeathmatchZone(dmzoneid)
{
    DMZone[dmzoneid][Created]=0;
    DMZone[dmzoneid][minX]=0;
    DMZone[dmzoneid][minY]=0;
    DMZone[dmzoneid][maxX]=0;
    DMZone[dmzoneid][maxY]=0;
}

stock GetPlayerDMZone(playerid)
{
    return PlayerDMZone[playerid];
}

stock IsPlayerInDMZone(playerid,dmzoneid)
{
    if(PlayerDMZone[playerid]==dmzoneid) return 1;
    return 0;
}

stock IsPlayerInAnyDMZone(playerid)
{
    if(PlayerDMZone[playerid]!=0) return 1;
    return 0;
}

//==================================================OnFilterScriptInit & OnFilterScriptExit==================================================
public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print("*Simple Deathmatch Zones*");
    print("By: Yuryfury");
    print("...Loaded!");
    print("--------------------------------------\n");

    DeathmatchZoneCheckTimer = SetTimer("DeathmatchZoneCheck",DMZoneCheckTime,1);
    return 1;
}

#if defined _ALS_OnFilterScriptInit
  #undef OnFilterScriptInit
#else
  #define _ALS_OnFilterScriptInit
#endif
#define OnFilterScriptInit Hooked_OnFilterScriptInit

forward Hooked_OnFilterScriptInit();

public OnFilterScriptExit()
{
    KillTimer(DeathmatchZoneCheckTimer);
    for (new i = 0; i<MAX_PLAYERS; i++)
    {
        PlayerDMZone[i]=0;
    }
    return 1;
}

#if defined _ALS_OnFilterScriptExit
  #undef OnFilterScriptExit
#else
  #define _ALS_OnFilterScriptExit
#endif
#define OnFilterScriptExit Hooked_OnFilterScriptExit

forward Hooked_OnFilterScriptExit();

//==================================================Checkpoint Check==================================================
public DeathmatchZoneCheck()
{
    for (new j = 0; j<MAX_PLAYERS; j++)
    {
        if(IsPlayerConnected(j))
        {
            LastPlayerDMZone[j]=PlayerDMZone[j];
            PlayerDMZone[j]=0;
            for (new i = 1; i<MAX_DM_ZONES; i++)
            {
                if(DMZone[i][Created]==1)
                {
                    if(IsPlayerInArea(j,DMZone[i][minX],DMZone[i][minY],DMZone[i][maxX],DMZone[i][maxY]))
                    {
                        PlayerDMZone[j]=i;
                        if(PlayerDMZone[j]!=LastPlayerDMZone[j])
                        {
                            OnPlayerEnterDeathmatchZone(j,i);
                        }
                        break;
                    }
                }
            }
            if(LastPlayerDMZone[j]!=0 && PlayerDMZone[j]==0)
            {
                OnPlayerLeaveDeathmatchZone(j,LastPlayerDMZone[j]);
            }
        }
    }
    return 1;
}

//==================================================OnPlayerConnect & OnPlayerDisconnect==================================================
public OnPlayerConnect(playerid)
{
    PlayerDMZone[playerid]=0;
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    PlayerDMZone[playerid]=0;
    return 1;
}

//==================================================OnPlayerDeath==================================================
public OnPlayerDeath(playerid, killerid, reason)
{
    PlayerDMZone[playerid]=0;
    return 1;
}