#include <YSI_Coding\y_hooks>

#define MAX_BUILDINGS 50
#define INVALID_BUILDING_ID (-1)

#if !defined PRESSED
    #define PRESSED(%0) \
        (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))


enum eTPInfo {
    Float:tpX,
    Float:tpY,
    Float:tpZ,
    Float:tpR,

    tpVW,
    tpInt
}

enum eBuildingEnterExit
{
    BuildingEntrance,
    BuildingExit
}
new BuildingInfo[MAX_BUILDINGS][eBuildingEnterExit][eTPInfo];

forward OnBuildingCreated(buildingid);
//======================================================================
//--->>> Functions
//======================================================================
stock bool:IsValidBuilding(buildingid)
{
    if(buildingid < 0 || buildingid > MAX_BUILDINGS) return false;
    if(BuildingInfo[buildingid][BuildingEntrance][tpX] == 0.0) return false;
    return true;
}

stock bool:ResetBuildingInfo(buildingid)
{
    if(buildingid < 0 || buildingid > MAX_BUILDINGS) return false;
    BuildingInfo[buildingid][BuildingEntrance][tpX] = 0.0;
    BuildingInfo[buildingid][BuildingEntrance][tpY] = 0.0;
    BuildingInfo[buildingid][BuildingEntrance][tpZ] = 0.0;
    BuildingInfo[buildingid][BuildingEntrance][tpR] = 0.0;

    BuildingInfo[buildingid][BuildingEntrance][tpVW] = 0;
    BuildingInfo[buildingid][BuildingEntrance][tpInt] = 0;

    BuildingInfo[buildingid][BuildingExit][tpX] = 0.0;
    BuildingInfo[buildingid][BuildingExit][tpY] = 0.0;
    BuildingInfo[buildingid][BuildingExit][tpZ] = 0.0;
    BuildingInfo[buildingid][BuildingExit][tpR] = 0.0;

    BuildingInfo[buildingid][BuildingExit][tpVW] = 0;
    BuildingInfo[buildingid][BuildingExit][tpInt] = 0;
    return true;
}

stock GetFreeBuildingID()
{
    for(new i = 0; i < MAX_BUILDINGS; i++)
    {
        if(BuildingInfo[i][BuildingEntrance][tpX] == 0.0) return i;
    }
    return INVALID_BUILDING_ID;
}

//I dont check VW and Interior, you may need to, validate that before range check.
stock GetBuildingNearPlayer(playerid, &eBuildingEnterExit:enterexit = BuildingEntrance)
{
    if(!IsPlayerConnected(playerid)) return INVALID_BUILDING_ID;
    for(new i = 0; i < MAX_BUILDINGS; i++)
    {
        if(IsPlayerInRangeOfPoint(playerid, 3.0, BuildingInfo[i][BuildingEntrance][tpX],
                                                 BuildingInfo[i][BuildingEntrance][tpY],
                                                 BuildingInfo[i][BuildingEntrance][tpZ]))
            return i;

        if(IsPlayerInRangeOfPoint(playerid, 3.0, BuildingInfo[i][BuildingExit][tpX],
                                                 BuildingInfo[i][BuildingExit][tpY],
                                                 BuildingInfo[i][BuildingExit][tpZ]))
        {
            enterexit = BuildingExit;
            return i;
        }
    }
    return INVALID_BUILDING_ID;
}

stock bool:IsPlayerNearBuilding(playerid)
{
    if(!IsPlayerConnected(playerid)) return false;
    if(GetBuildingNearPlayer(playerid) == INVALID_BUILDING_ID) return false;
    return true;
}

CreateBuilding(Float:entranceX, Float:entranceY, Float:entranceZ, Float:entranceR, entranceVW = 0, entranceInterior = 0)
{
    new buildingid = GetFreeBuildingID();
    if(buildingid == INVALID_BUILDING_ID) return INVALID_BUILDING_ID;

    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceX;
    BuildingInfo[buildingid][BuildingEntrance][tpY] = entranceY;
    BuildingInfo[buildingid][BuildingEntrance][tpZ] = entranceZ;
    BuildingInfo[buildingid][BuildingEntrance][tpR] = entranceR;

    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceVW;
    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceInterior;

    CallRemoteFunction("OnBuildingCreated", "d", buildingid);
    return buildingid;
}

stock bool:SetBuildingEntrance(buildingid, Float:entranceX, Float:entranceY, Float:entranceZ, Float:entranceR, entranceVW = 0, entranceInterior = 0)
{
    if(!IsValidBuilding(buildingid)) return false;

    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceX;
    BuildingInfo[buildingid][BuildingEntrance][tpY] = entranceY;
    BuildingInfo[buildingid][BuildingEntrance][tpZ] = entranceZ;
    BuildingInfo[buildingid][BuildingEntrance][tpR] = entranceR;

    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceVW;
    BuildingInfo[buildingid][BuildingEntrance][tpX] = entranceInterior;
    return true;
}

stock bool:SetBuildingExit(buildingid, Float:exitX, Float:exitY, Float:exitZ, Float:exitR, exitVW = 0, exitInterior = 0)
{
    if(!IsValidBuilding(buildingid)) return false;

    BuildingInfo[buildingid][BuildingExit][tpX] = exitX;
    BuildingInfo[buildingid][BuildingExit][tpY] = exitY;
    BuildingInfo[buildingid][BuildingExit][tpZ] = exitZ;
    BuildingInfo[buildingid][BuildingExit][tpR] = exitR;

    BuildingInfo[buildingid][BuildingExit][tpX] = exitVW;
    BuildingInfo[buildingid][BuildingExit][tpX] = exitInterior;
    return true;
}
//======================================================================
//--->>> Hooks
//======================================================================
hook OnScriptInit()
{
    for(new i = 0; i < MAX_BUILDINGS; i++)
    {
        ResetBuildingInfo(i);
    }

    IsPlayerNearBuilding(0);
    CreateBuilding(0.0,0.0,0.0,0.0,0,0);
    SetBuildingEntrance(0, 0.0,0.0,0.0,0.0,0,0);
    SetBuildingExit(0, 0.0,0.0,0.0,0.0,0,0);
}

hook OnScriptExit()
{

}

hook OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(!PRESSED(KEY_ACTION)) return Y_HOOKS_CONTINUE_RETURN_0;
    if(GetPlayerState(playerid) != PLAYER_STATE_ONFOOT) return Y_HOOKS_CONTINUE_RETURN_0;

    new eBuildingEnterExit:enterexit, buildingid = GetBuildingNearPlayer(playerid, enterexit);
    if(buildingid == INVALID_BUILDING_ID) return Y_HOOKS_CONTINUE_RETURN_0;
    if(enterexit == BuildingEntrance) enterexit = BuildingExit;

    SetPlayerPos(playerid, BuildingInfo[buildingid][enterexit][tpX], BuildingInfo[buildingid][enterexit][tpY], BuildingInfo[buildingid][enterexit][tpZ]);
    SetPlayerFacingAngle(playerid, BuildingInfo[buildingid][enterexit][tpR]);
    SetPlayerVirtualWorld(playerid, BuildingInfo[buildingid][enterexit][tpVW]);
    SetPlayerInterior(playerid, BuildingInfo[buildingid][enterexit][tpInt]);

    return Y_HOOKS_BREAK_RETURN_1;
}