importPackage(Packages.com.sk89q.worldedit);
importPackage(Packages.com.sk89q.worldedit.blocks);
importPackage(Packages.com.sk89q.worldedit.patterns);
importPackage(Packages.com.sk89q.worldedit.regions);
importPackage(Packages.com.sk89q.worldedit.masks);
importPackage(Packages.com.sk89q.worldedit.vector);

/*
Author: Nividica
Last Updated: 10/13/2012
*/

context.checkArgs(3, 4, "<block ID> <radius> <height> [raised?]");
var sess = null;
var block = null;
var blockPattern = null;
var radius = 0;
var origin = null;
var raised = false;
var maxBlockHeight = 1;
var pDiameter = 0;
var nDiameter = 0;
var regionCorner1 = null;
var regionCorner2 = null;
var drawingRegion = null;
var regionMask = null;

function domeInit() {
    sess = context.remember();
    block = context.getBlock(argv[1]);
    radius = parseFloat(argv[2]);
    if (radius <= 0) {
        player.print("Dome: Radius must be > 0 ");
        return false;
    }
    maxBlockHeight = parseInt(argv[3]);
    if (maxBlockHeight <= 0) {
        player.print("Dome: Height must be > 0");
        return false;
    }
    raised = argv.length > 4 ? (argv[4] == 'y') : false;
    return true;
}

function domeCalculate() {
    origin = player.getBlockOn();
    blockPattern = new SingleBlockPattern(block);
    if (raised) {
        origin = origin.add(0, ((0 - radius) + maxBlockHeight) - 1, 0);
    }
    maxBlockHeight += (radius - 1);
    pDiameter = radius * 2.0;
    nDiameter = (radius - pDiameter);
    regionCorner1 = origin.add(pDiameter - radius, (maxBlockHeight + 1) - radius, pDiameter - radius);
    regionCorner2 = origin.add(nDiameter, (pDiameter - maxBlockHeight) - 1, nDiameter);
    drawingRegion = new CuboidRegion(regionCorner1, regionCorner2);
    regionMask = new RegionMask(drawingRegion);
    domeDraw();
}

function domeDraw() {
    sess.setMask(regionMask);
    var wut = regionMask.matches(sess, drawingRegion.getCenter());
    player.print("in mask: " + wut);
    sess.setBlock(regionCorner1, new BaseBlock(BlockID.STONE, 1));
    sess.setBlock(regionCorner2, new BaseBlock(BlockID.STONE, 2));
    var sphere = sess.makeSphere(origin, blockPattern, radius, false);
    if (sphere > 0) {
        player.print("Hemisphere created");
    } else {
        player.print("Could not create hemisphere.");
    }
}

if (domeInit()) {
    domeCalculate();
}