/**
 * 월드에딧 스크립트
 * 버전 0.1 beta
 * 제작: JacobYun
 */

const VERSION = 0.1;
const setBlockCommand = "채우기";
const changeBlockCommand = "변경";

var pos1 = [0, 0, 0]; //지점 1
var pos2 = [0, 0, 0]; //지점 2
var isFirstSeted = false; //지점1 지정여부
var isSecondSeted = false; //지점2 지정여부

function newLevel() {
  clientMessage( "월드에딧 " + VERSION );
  clientMessage( "제작: JacobYun" );
}

function useItem( x, y, z, item, block ) {
  if ( item == 271 ) {
    pos1[0] = x;
    pos1[1] = y;
    pos1[2] = z;
    isFirstSeted = true;
    clientMessage( "[월드에딧] 1번 지점 : " + x + " " + y + " " + z );
  }
}

function destroyBlock( x, y, z, side ) {
  if ( getCarriedItem() == 271 ) {
    preventDefault();
    pos2[0] = x;
    pos2[1] = y;
    pos2[2] = z;
    isSecondSeted = true;
    clientMessage( "[월드에딧] 2번 지점 : " + x + " " + y + " " + z );
  }
}

function procCmd( command ) {
  command = command.split(" ");
  switch ( command[0] ) {
    case setBlockCommand:
      if ( isFirstSeted && isSecondSeted ) {
        if ( !( typeof command[1] == "undefined" ) ) {
          editWorld( command[1] );
        } else {
          clientMessage( "[월드에딧] /" + setBlockCommand + " 블럭아이디" );
        }
      } else {
        clientMessage( "[월드에딧] 지점 미설정" );
      }
      break;
    case changeBlockCommand:
      if ( isFirstSeted && isSecondSeted ) {
        if ( !( typeof command[2] == "undefined" ) ) {
          changeBlock( command[1], command[2] );
        } else {
          clientMessage( "[월드에딧] /" + changeBlockCommand + " 블럭아이디 블럭아이디" );
        }
      } else {
        clientMessage( "[월드에딧] 지점 미설정" );
      }
  }
}

function editWorld( blockID ) {
  var lowX = getLow( pos1[0], pos2[0] );
  var highX = getHigh( pos1[0], pos2[0] );
  var lowY = getLow( pos1[1], pos2[1] );
  var highY = getHigh( pos1[1], pos2[1] );
  var lowZ = getLow( pos1[2], pos2[2] );
  var highZ = getHigh( pos1[2], pos2[2] );

  for (var x = lowX; x <= highX; x++) {
    for (var y = lowY; y <= highY; y++) {
      for (var z = lowZ; z <= highZ; z++) {
        Level.setTile( x, y, z, blockID );
      }
    }
  }
}

function changeBlock( blockID, toBlockID) {
  var lowX = getLow( pos1[0], pos2[0] );
  var highX = getHigh( pos1[0], pos2[0] );
  var lowY = getLow( pos1[1], pos2[1] );
  var highY = getHigh( pos1[1], pos2[1] );
  var lowZ = getLow( pos1[2], pos2[2] );
  var highZ = getHigh( pos1[2], pos2[2] );

  for (var x = lowX; x <= highX; x++) {
    for (var y = lowY; y <= highY; y++) {
      for (var z = lowZ; z <= highZ; z++) {
        if ( Level.getTile( x, y, z ) == blockID ) {
          Level.setTile( x, y, z, toBlockID );
        }
      }
    }
  }
}

function getLow( a, b ) { //ab중 더 낮은 값 반환
  return a < b ? a : b;
}

function getHigh( a, b ) { //ab중 더 높은 값 반환
  return a > b ? a : b;
}