checkpoint.pwn

/*
* Filename: checkpoint.pwn
* Creation: 14 SEP 2013
* Author: Mmartin
* Version: 1.0
*   This file is provided as is. No warranties.
*   (c) Copyright Tumbleweed Productions 2013
*/

#define MAX_CP 10
#define CP_ICONID_BASE 90
#define REFRESH_INTERVAL 500

#define SCP_FINDIT 0

forward public Checkpoint_Init();
forward public RefreshCheckpoint();
forward public OnPlayerEnterSpecialCheckpoint(playerid, cpid, extraid);
forward public OnPlayerLeaveSpecialCheckpoint(playerid, cpid, extraid);

enum E_PLAYA_SPECIAL_CP{
    cp_extraid,
    Float:cp_x,
    Float:cp_y,
    Float:cp_z,
    cp_world,
    cp_interior,
    cp_color,
    cp_used,
    cp_iconid,
    cp_rendertype,
    cp_icontype,
    cp_drawn,
    cp_isin,
    cp_radius
}

new Checkpoint[MAX_PLAYERS][MAX_CP][E_PLAYA_SPECIAL_CP];

stock fetchCheckpointID(playerid){
    for(new i = 0; i < MAX_CP; i++){
        if(!Checkpoint[playerid][i][cp_used]) return i;
    }
    return -1;
}

stock DrawCheckpoint(playerid, extraid, Float:x, Float:y, Float:z, icon = 0, color = 0xFF0000FF, world = -1, interior = -1, radius = 2, rendertype = MAPICON_GLOBAL_CHECKPOINT){
    new cpid = fetchCheckpointID(playerid);
    if(cpid == -1) return -1;
    Checkpoint[playerid][cpid][cp_extraid] = extraid;
    Checkpoint[playerid][cpid][cp_x] = x;
    Checkpoint[playerid][cpid][cp_y] = y;
    Checkpoint[playerid][cpid][cp_z] = z;
    Checkpoint[playerid][cpid][cp_world] = world;
    Checkpoint[playerid][cpid][cp_interior] = interior;
    Checkpoint[playerid][cpid][cp_color] = color;
    Checkpoint[playerid][cpid][cp_used] = 1;
    Checkpoint[playerid][cpid][cp_iconid] = CP_ICONID_BASE + cpid;
    Checkpoint[playerid][cpid][cp_rendertype] = rendertype;
    Checkpoint[playerid][cpid][cp_icontype] = icon;
    Checkpoint[playerid][cpid][cp_drawn] = 0;
    Checkpoint[playerid][cpid][cp_isin] = 0;
    Checkpoint[playerid][cpid][cp_radius] = radius;
    return 1;
}

stock ClearCheckpoint(playerid, cpid){
    if(cpid < 0 || cpid > MAX_CP) return 0;
    RemovePlayerMapIcon(playerid, Checkpoint[playerid][cpid][cp_iconid]);
    Checkpoint[playerid][cpid][cp_extraid] = 0;
    Checkpoint[playerid][cpid][cp_x] = 0.0;
    Checkpoint[playerid][cpid][cp_y] = 0.0;
    Checkpoint[playerid][cpid][cp_z] = 0.0;
    Checkpoint[playerid][cpid][cp_world] = 0;
    Checkpoint[playerid][cpid][cp_interior] = 0;
    Checkpoint[playerid][cpid][cp_color] = 0;
    Checkpoint[playerid][cpid][cp_used] = 0;
    Checkpoint[playerid][cpid][cp_iconid] = 0;
    Checkpoint[playerid][cpid][cp_rendertype] = 0;
    Checkpoint[playerid][cpid][cp_icontype] = 0;
    Checkpoint[playerid][cpid][cp_drawn] = 0;
    Checkpoint[playerid][cpid][cp_isin] = 0;
    Checkpoint[playerid][cpid][cp_radius] = 0;
    return 1;
}

stock IsPlayerInSpecialCheckpoint(playerid, extraid = -1, cpid = -1){
    if(cpid != -1){
        if(extraid == -1)
            if(Checkpoint[playerid][cpid][cp_isin] == 1) return true;
        else if(Checkpoint[playerid][cpid][cp_extraid] != extraid) return false; else return true;
    }else{
        for(new i = 0; i < MAX_CP; i++){
            if(Checkpoint[playerid][i][cp_isin]){
                if(extraid == -1 || Checkpoint[playerid][i][cp_extraid] == extraid) return true;
            }
        }
        return false;
    }
}

stock ClearAllCheckpoints(playerid){
    for(new cpid = 0; cpid < MAX_CP; cpid++){
        ClearCheckpoint(playerid, cpid);
    }
}

public Checkpoint_Init(){
    SetTimer("RefreshCheckpoint", REFRESH_INTERVAL, 1);
    return 1;
}

/*public OnPlayerEnterSpecialCheckpoint(playerid, cpid, extraid){
    return 1;
}

public OnPlayerLeaveSpecialCheckpoint(playerid, cpid, extraid){
    return 1;
}*/

public RefreshCheckpoint(){
    foreach(playerid){
        if(IsPlayerLogged(playerid)){
            for(new cpid = 0; cpid < MAX_CP; cpid++){
                if(Checkpoint[playerid][cpid][cp_used]){
                    if(Checkpoint[playerid][cpid][cp_drawn]){
                        if((GetPlayerVirtualWorld(playerid) != Checkpoint[playerid][cpid][cp_world] && Checkpoint[playerid][cpid][cp_world] != -1) || (GetPlayerInterior(playerid) != Checkpoint[playerid][cpid][cp_interior] && Checkpoint[playerid][cpid][cp_interior] != -1)){
                            RemovePlayerMapIcon(playerid, Checkpoint[playerid][cpid][cp_iconid]);
                            if(Checkpoint[playerid][cpid][cp_isin]){
                                CallLocalFunction("OnPlayerLeaveSpecialCheckpoint", "ddd", playerid, cpid, Checkpoint[playerid][cpid][cp_extraid]);
                                Checkpoint[playerid][cpid][cp_isin] = 0;
                            }
                            Checkpoint[playerid][cpid][cp_drawn] = 0;
                        }else{
                            if(IsPlayerInRangeOfPoint(playerid, Checkpoint[playerid][cpid][cp_radius], Checkpoint[playerid][cpid][cp_x], Checkpoint[playerid][cpid][cp_y], Checkpoint[playerid][cpid][cp_z])){
                                if(!Checkpoint[playerid][cpid][cp_isin]){
                                    CallLocalFunction("OnPlayerEnterSpecialCheckpoint", "ddd", playerid, cpid, Checkpoint[playerid][cpid][cp_extraid]);
                                    Checkpoint[playerid][cpid][cp_isin] = 1;
                                }
                            }else{
                                if(Checkpoint[playerid][cpid][cp_isin]){
                                    CallLocalFunction("OnPlayerLeaveSpecialCheckpoint", "ddd", playerid, cpid, Checkpoint[playerid][cpid][cp_extraid]);
                                    Checkpoint[playerid][cpid][cp_isin] = 0;
                                }
                            }
                        }
                    }else{
                        if((GetPlayerVirtualWorld(playerid) == Checkpoint[playerid][cpid][cp_world] || Checkpoint[playerid][cpid][cp_world] == -1) || (GetPlayerInterior(playerid) == Checkpoint[playerid][cpid][cp_interior] || Checkpoint[playerid][cpid][cp_interior] == -1)){
                            SetPlayerMapIcon(playerid, Checkpoint[playerid][cpid][cp_iconid], Checkpoint[playerid][cpid][cp_x], Checkpoint[playerid][cpid][cp_y], Checkpoint[playerid][cpid][cp_z], Checkpoint[playerid][cpid][cp_icontype], Checkpoint[playerid][cpid][cp_color], Checkpoint[playerid][cpid][cp_rendertype]);
                            Checkpoint[playerid][cpid][cp_drawn] = 1;
                        }
                    }
                }
            }
        }
    }
}