Test_BuildTree

let isInGame = false;
const Thread_ = java.lang.Thread;
const Handler_ = android.os.Handler;
const Runnable_ = java.lang.Runnable;

let treeCoords = [
    [+0,+1,0,17],
    [+0,+2,0,17],
    [+0,+3,0,17],
    [+0,+4,0,17],
    [+0,+5,0,17],
    [+0,+6,0,17],
      //Leaves
    [+2,+4,+2,18],
    [+1,+4,+2,18],
    [+0,+4,+2,18],
    [-1,+4,+2,18],
    [-2,+4,+2,18],
    [+2,+4,+1,18],
    [+1,+4,+1,18],
    [+0,+4,+1,18],
    [-1,+4,+1,18],
    [-2,+4,+1,18],
    [+2,+4,0,18],
    [+1,+4,0,18],
    [-1,+4,0,18],
    [-2,+4,0,18],
    [+2,+4,-1,18],
    [+1,+4,-1,18],
    [+0,+4,-1,18],
    [-1,+4,-1,18],
    [-2,+4,-1,18],
    [+2,+4,-2,18],
    [+1,+4,-2,18],
    [+0,+4,-2,18],
    [-1,+4,-2,18],
//2nd layer
    [+2,+5,+2,18],
    [+1,+5,+2,18],
    [+0,+5,+2,18],
    [-1,+5,+2,18],
    [+2,+5,+1,18],
    [+1,+5,+1,18],
    [+0,+5,+1,18],
    [-1,+5,+1,18],
    [-2,+5,+1,18],
    [+2,+5,0,18],
    [+1,+5,0,18],
    [-1,+5,0,18],
    [-2,+5,0,18],
    [+2,+5,-1,18],
    [+1,+5,-1,18],
    [+0,+5,-1,18],
    [-1,+5,-1,18],
    [-2,+5,-1,18],
    [+2,+5,-2,18],
    [+1,+5,-2,18],
    [+0,+5,-2,18],
    [-1,+5,-2,18],
    [-2,+5,-2,18],
//3rd layer
    [+0,+6,+1,18],
    [+1,+6,0,18],
    [-1,+6,0,18],
    [+1,+6,-1,18],
    [+0,+6,-1,18],
//4th layer
    [+0,+7,+1,18],
    [+1,+7,0,18],
    [+0,+7,0,18],
    [-1,+7,0,18],
    [+0,+7,-1,18]
];

let ctx = com.mojang.minecraftpe.MainActivity.currentMainActivity.get();

function delayFunction(func, delay) {
    ctx.runOnUiThread(new java.lang.Runnable({
        run: function() {
            new Handler_().postDelayed(
                new Runnable_() {
                    run: func
                },
            delay);
        }
    }));
}

function buildTree(x, y, z, count) {
    if(count == null) {
        count = 0;
    }
    if(isInGame && count < treeCoords.length) {
        delayFunction(function() {
            let currentCoords = treeCoords[count];
            setTile(x + currentCoords[0], y + currentCoords[1], z + currentCoords[2], currentCoords[3]); //above or below setTile, you can add more functions
            buildTree(x, y, z, count + 1); //<< don't remove this part
        }, 320);
    }
}

function newLevel() {
    //make sure to add isInGame = true; into our own newLevel, example:
    isInGame = true;
}

function leaveGame() {
    isInGame = false;
}

function useItem(x, y, z) {
    //test
    //if you want to delay for 5 seconds before starting to build, do it like this:
    delayFunction(function() {
        buildTree(x, y, z);
    }, 5000); //<< 5000 is the amount of milliseconds
}