convert classes to es6

(cherry picked from commit e7615d49a4071fe5b5f192884f142c9f3385211a)

index.html

@@ -16,7 +16,7 @@
 
 </body>
 
-<script src="src/start.js"></script>
+<script type="module" src="src/start.js"></script>
 
 </html>
 

src/js/net/minecraft/client/GameSettings.js

@@ -1,4 +1,4 @@
-window.GameSettings = class {
+export default class GameSettings {
 
     constructor() {
         this.crouching = 'ShiftLeft';

src/js/net/minecraft/client/GameWindow.js

@@ -1,4 +1,7 @@
-window.GameWindow = class {
+import GuiIngameMenu from "./gui/screens/GuiIngameMenu.js";
+import Keyboard from "../util/Keyboard.js";
+
+export default class GameWindow {
 
     constructor(minecraft, canvasWrapperId) {
         this.minecraft = minecraft;

src/js/net/minecraft/client/Minecraft.js

@@ -1,9 +1,27 @@
-window.Minecraft = class {
+import Timer from "../util/Timer.js";
+import GameSettings from "./GameSettings.js";
+import GameWindow from "./GameWindow.js";
+import WorldRenderer from "./render/WorldRenderer.js";
+import ScreenRenderer from "./render/gui/ScreenRenderer.js";
+import ItemRenderer from "./render/gui/ItemRenderer.js";
+import IngameOverlay from "./gui/IngameOverlay.js";
+import GuiLoadingScreen from "./gui/screens/GuiLoadingScreen.js";
+import PlayerEntity from "./entity/PlayerEntity.js";
+import SoundManager from "./sound/SoundManager.js";
+import World from "./world/World.js";
+import Block from "./world/block/Block.js";
+import BoundingBox from "../util/BoundingBox.js";
+import {BlockRegistry} from "./world/block/BlockRegistry.js";
+import FontRenderer from "./render/gui/FontRenderer.js";
+
+export default class Minecraft {
 
     /**
      * Create Minecraft instance and render it on a canvas
      */
-    constructor(canvasWrapperId) {
+    constructor(canvasWrapperId, resources) {
+        this.resources = resources;
+
         this.currentScreen = null;
         this.loadingScreen = null;
 
@@ -34,10 +52,13 @@ window.Minecraft = class {
         this.lastTime = Date.now();
 
         // Create all blocks
-        Block.create();
+        BlockRegistry.create();
 
         this.itemRenderer.initialize();
 
+        // Create font renderer
+        this.fontRenderer = new FontRenderer(this);
+
         // Update window size
         this.window.updateWindowSize();
 

src/js/net/minecraft/client/entity/Entity.js

@@ -1,4 +1,7 @@
-window.Entity = class {
+import BoundingBox from "../../util/BoundingBox.js";
+import MathHelper from "../../util/MathHelper.js";
+
+export default class Entity {
 
     constructor(minecraft, world) {
         this.minecraft = minecraft;

src/js/net/minecraft/client/entity/EntityLiving.js

@@ -1,4 +1,7 @@
-window.EntityLiving = class extends Entity {
+import Entity from "./Entity.js";
+import MathHelper from "../../util/MathHelper.js";
+
+export default class EntityLiving extends Entity {
 
     constructor(minecraft, world) {
         super(minecraft, world);

src/js/net/minecraft/client/entity/PlayerEntity.js

@@ -1,4 +1,12 @@
-window.PlayerEntity = class extends EntityLiving {
+import Inventory from "../inventory/Inventory.js";
+import EntityLiving from "./EntityLiving.js";
+import BoundingBox from "../../util/BoundingBox.js";
+import Block from "../world/block/Block.js";
+import MathHelper from "../../util/MathHelper.js";
+import Keyboard from "../../util/Keyboard.js";
+import Vector3 from "../../util/Vector3.js";
+
+export default class PlayerEntity extends EntityLiving {
 
     static name = "PlayerEntity";
 

src/js/net/minecraft/client/gui/Gui.js

@@ -1,4 +1,28 @@
-window.Gui = class {
+import Point from "../render/isometric/Point.js";
+import IsometricRenderer from "../render/isometric/IsometricRenderer.js";
+import EnumBlockFace from "../../util/EnumBlockFace.js";
+
+export default class Gui {
+
+    constructor(minecraft = null) {
+        this.minecraft = minecraft;
+    }
+
+    getTexture(id) {
+        return this.minecraft.resources[id];
+    }
+
+    drawCenteredString(stack, string, x, y, color = -1) {
+        this.minecraft.fontRenderer.drawString(stack, string, x - this.getStringWidth(stack, string) / 2, y, color);
+    }
+
+    drawString(stack, string, x, y, color = -1) {
+        this.minecraft.fontRenderer.drawString(stack, string, x, y, color);
+    }
+
+    getStringWidth(stack, string) {
+        return this.minecraft.fontRenderer.getStringWidth(string);
+    }
 
     drawRect(stack, left, top, right, bottom, color, alpha = 1) {
         stack.save();
@@ -8,18 +32,6 @@ window.Gui = class {
         stack.restore();
     }
 
-    drawCenteredString(stack, string, x, y, color = -1) {
-        FontRenderer.INSTANCE.drawString(stack, string, x - this.getStringWidth(stack, string) / 2, y, color);
-    }
-
-    drawString(stack, string, x, y, color = -1) {
-        FontRenderer.INSTANCE.drawString(stack, string, x, y, color);
-    }
-
-    getStringWidth(stack, string) {
-        return FontRenderer.INSTANCE.getStringWidth(string);
-    }
-
     drawTexture(stack, texture, x, y, width, height, alpha = 1.0) {
         Gui.drawSprite(stack, texture, 0, 0, 256, 256, x, y, width, height, alpha);
     }
@@ -109,8 +121,4 @@ window.Gui = class {
         stack.drawImage(texture, spriteX, spriteY, spriteWidth, spriteHeight, x, y, width, height);
         stack.restore();
     }
-
-    static loadTexture(path) {
-        return document.textures[path];
-    }
 }

src/js/net/minecraft/client/gui/GuiScreen.js

@@ -1,4 +1,6 @@
-window.GuiScreen = class extends Gui {
+import Gui from "./Gui.js";
+
+export default class GuiScreen extends Gui {
 
     constructor() {
         super();
@@ -25,6 +27,7 @@ window.GuiScreen = class extends Gui {
     drawScreen(stack, mouseX, mouseY, partialTicks) {
         for (let i in this.buttonList) {
             let button = this.buttonList[i];
+            button.minecraft = this.minecraft;
             button.render(stack, mouseX, mouseY, partialTicks);
         }
     }
@@ -53,5 +56,4 @@ window.GuiScreen = class extends Gui {
             }
         }
     }
-
 }

src/js/net/minecraft/client/gui/IngameOverlay.js

@@ -1,12 +1,15 @@
-window.IngameOverlay = class extends Gui {
+import Gui from "./Gui.js";
+import Block from "../world/block/Block.js";
+
+export default class IngameOverlay extends Gui {
 
     constructor(minecraft, window) {
         super();
         this.minecraft = minecraft;
         this.window = window;
 
-        this.textureCrosshair = Gui.loadTexture("gui/icons.png");
+        this.textureCrosshair = minecraft.resources["gui/icons.png"];
-        this.textureHotbar = Gui.loadTexture("gui/gui.png");
+        this.textureHotbar = minecraft.resources["gui/gui.png"];
     }
 
     render(stack, mouseX, mouseY, partialTicks) {

src/js/net/minecraft/client/gui/screens/GuiControls.js

@@ -1,4 +1,8 @@
-window.GuiControls = class extends GuiScreen {
+import GuiScreen from "../GuiScreen.js";
+import GuiKeyButton from "../widgets/GuiKeyButton.js";
+import GuiButton from "../widgets/GuiButton.js";
+
+export default class GuiControls extends GuiScreen {
 
     constructor(previousScreen) {
         super();

src/js/net/minecraft/client/gui/screens/GuiIngameMenu.js

@@ -1,4 +1,8 @@
-window.GuiIngameMenu = class extends GuiScreen {
+import GuiButton from "../widgets/GuiButton.js";
+import GuiControls from "./GuiControls.js";
+import GuiScreen from "../GuiScreen.js";
+
+export default class GuiIngameMenu extends GuiScreen {
 
     constructor() {
         super();

src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js

@@ -1,9 +1,14 @@
-window.GuiLoadingScreen = class extends GuiScreen {
+import GuiScreen from "../GuiScreen.js";
+
+export default class GuiLoadingScreen extends GuiScreen {
 
     constructor() {
         super();
+    }
 
-        this.textureBackground = Gui.loadTexture("gui/background.png");
+    init() {
+        super.init();
+        this.textureBackground = this.getTexture("gui/background.png");
     }
 
     drawScreen(stack, mouseX, mouseY, partialTicks) {
@@ -53,5 +58,4 @@ window.GuiLoadingScreen = class extends GuiScreen {
     keyTyped(key) {
         // Cancel key inputs
     }
-
 }

src/js/net/minecraft/client/gui/widgets/GuiButton.js

@@ -1,6 +1,6 @@
-window.GuiButton = class extends Gui {
+import Gui from "../Gui.js";
 
-    static textureGui = Gui.loadTexture("gui/gui.png");
+export default class GuiButton extends Gui {
 
     constructor(string, x, y, width, height, callback) {
         super();
@@ -14,8 +14,10 @@ window.GuiButton = class extends Gui {
     }
 
     render(stack, mouseX, mouseY, partialTicks) {
+        let textureGui = this.getTexture("gui/gui.png");
+
         let mouseOver = this.isMouseOver(mouseX, mouseY);
-        this.drawSprite(stack, GuiButton.textureGui, 0, 66 + (mouseOver ? 20 : 0), 200, 20, this.x, this.y, this.width, this.height);
+        this.drawSprite(stack, textureGui, 0, 66 + (mouseOver ? 20 : 0), 200, 20, this.x, this.y, this.width, this.height);
         this.drawCenteredString(stack, this.string, this.x + this.width / 2, this.y + this.height / 2 - 4);
     }
 

src/js/net/minecraft/client/gui/widgets/GuiKeyButton.js

@@ -1,4 +1,6 @@
-window.GuiKeyButton = class extends GuiButton {
+import GuiButton from "./GuiButton.js";
+
+export default class GuiKeyButton extends GuiButton {
 
     constructor(name, key, x, y, width, height, callback) {
         super(name + ": " + key, x, y, width, height, _ => callback(this.key));

src/js/net/minecraft/client/inventory/Inventory.js

@@ -1,4 +1,4 @@
-window.Inventory = class {
+export default class Inventory {
 
     constructor() {
         this.selectedSlotIndex = 0;

src/js/net/minecraft/client/render/BlockRenderer.js

@@ -1,4 +1,10 @@
-window.BlockRenderer = class {
+import EnumBlockFace from "../../util/EnumBlockFace.js";
+import BlockRenderType from "../../util/BlockRenderType.js";
+import Tessellator from "./Tessellator.js";
+import MathHelper from "../../util/MathHelper.js";
+import Block from "../world/block/Block.js";
+
+export default class BlockRenderer {
 
     static CLASSIC_LIGHTNING = false;
 

src/js/net/minecraft/client/render/Tessellator.js

@@ -1,4 +1,4 @@
-window.Tessellator = class {
+export default class Tessellator {
 
     constructor() {
         this.material = new THREE.MeshBasicMaterial({

src/js/net/minecraft/client/render/WorldRenderer.js

@@ -1,4 +1,10 @@
-window.WorldRenderer = class {
+import BlockRenderer from "./BlockRenderer.js";
+import EntityRenderManager from "./entity/EntityRenderManager.js";
+import MathHelper from "../../util/MathHelper.js";
+import ChunkSection from "../world/ChunkSection.js";
+import Block from "../world/block/Block.js";
+
+export default class WorldRenderer {
 
     static RENDER_DISTANCE = 4;
     static THIRD_PERSON_DISTANCE = 4;

src/js/net/minecraft/client/render/entity/EntityRenderManager.js

@@ -1,4 +1,7 @@
-window.EntityRenderManager = class {
+import PlayerRenderer from "./entity/PlayerRenderer.js";
+import PlayerEntity from "../../entity/PlayerEntity.js";
+
+export default class EntityRenderManager {
 
     constructor(worldRenderer) {
         this.worldRenderer = worldRenderer;

src/js/net/minecraft/client/render/entity/EntityRenderer.js

@@ -1,4 +1,7 @@
-window.EntityRenderer = class {
+import Tessellator from "../Tessellator.js";
+import MathHelper from "../../../util/MathHelper.js";
+
+export default class EntityRenderer {
 
     constructor(model) {
         this.model = model;

src/js/net/minecraft/client/render/entity/entity/PlayerRenderer.js

@@ -1,4 +1,8 @@
-window.PlayerRenderer = class extends EntityRenderer {
+import ModelPlayer from "../../model/model/ModelPlayer.js";
+import EntityRenderer from "../EntityRenderer.js";
+import Block from "../../../world/block/Block.js";
+
+export default class PlayerRenderer extends EntityRenderer {
 
     constructor(worldRenderer) {
         super(new ModelPlayer());

src/js/net/minecraft/client/render/gui/FontRenderer.js

@@ -1,15 +1,17 @@
-window.FontRenderer = class {
+import Gui from "../../gui/Gui.js";
+
+export default class FontRenderer {
 
     static BITMAP_SIZE = 16;
     static FIELD_SIZE = 8;
 
     static COLOR_CODE_INDEX_LOOKUP = "0123456789abcdef";
 
-    constructor() {
+    constructor(minecraft) {
         this.charWidths = [];
 
         this.isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
-        this.texture = Gui.loadTexture("gui/font.png")
+        this.texture = minecraft.resources["gui/font.png"];
 
         let bitMap = this.createBitMap(this.texture);
 
@@ -137,5 +139,3 @@ window.FontRenderer = class {
         return canvas.getContext('2d').getImageData(0, 0, img.width, img.height).data;
     }
 }
-
-window.FontRenderer.INSTANCE = new FontRenderer();

src/js/net/minecraft/client/render/gui/ItemRenderer.js

@@ -1,4 +1,6 @@
-window.ItemRenderer = class {
+import Block from "../../world/block/Block.js";
+
+export default class ItemRenderer {
 
     constructor(minecraft, window) {
         this.minecraft = minecraft;

src/js/net/minecraft/client/render/gui/ScreenRenderer.js

@@ -1,4 +1,4 @@
-window.ScreenRenderer = class {
+export default class ScreenRenderer {
 
     constructor(minecraft, window) {
         this.minecraft = minecraft;

src/js/net/minecraft/client/render/isometric/IsometricRenderer.js

@@ -1,4 +1,8 @@
-window.IsometricRenderer = class {
+import TextCoord from "./TextCoord.js";
+import Point from "./Point.js";
+import Triangle from "./Triangle.js";
+
+export default class IsometricRenderer {
 
     // http://jsfiddle.net/xzL58dha/3/
 

src/js/net/minecraft/client/render/isometric/Point.js

@@ -1,4 +1,4 @@
-window.Point = class {
+export default class Point {
     constructor(x, y) {
         this.x = x ? x : 0;
         this.y = y ? y : 0;

src/js/net/minecraft/client/render/isometric/TextCoord.js

@@ -1,4 +1,4 @@
-window.TextCoord = class {
+export default class TextCoord {
     constructor(u, v) {
         this.u = u ? u : 0;
         this.v = v ? v : 0;

src/js/net/minecraft/client/render/isometric/Triangle.js

@@ -1,4 +1,4 @@
-window.Triangle = class {
+export default class Triangle {
     constructor(p0, p1, p2, t0, t1, t2) {
         this.p0 = p0;
         this.p1 = p1;

src/js/net/minecraft/client/render/model/ModelBase.js

@@ -1,4 +1,4 @@
-window.ModelBase = class {
+export default class ModelBase {
 
     /**
      * Rebuild the model

src/js/net/minecraft/client/render/model/model/ModelPlayer.js

@@ -1,4 +1,8 @@
-window.ModelPlayer = class extends ModelBase {
+import ModelRenderer from "../renderer/ModelRenderer.js";
+import MathHelper from "../../../../util/MathHelper.js";
+import ModelBase from "../ModelBase.js";
+
+export default class ModelPlayer extends ModelBase {
 
     /**
      * Create cubes for the zombie model

src/js/net/minecraft/client/render/model/renderer/ModelRenderer.js

@@ -1,4 +1,7 @@
-window.ModelRenderer = class {
+import Polygon from "./Polygon.js";
+import Vertex from "./Vertex.js";
+
+export default class ModelRenderer {
 
     /**
      * Create cube object

src/js/net/minecraft/client/render/model/renderer/Polygon.js

@@ -1,4 +1,6 @@
-window.Polygon = class {
+import Vertex from "./Vertex.js";
+
+export default class Polygon {
 
     constructor(vertices, minU, minV, maxU, maxV, textureWidth, textureHeight) {
         this.vertices = vertices;

src/js/net/minecraft/client/render/model/renderer/Vertex.js

@@ -1,4 +1,6 @@
-window.Vertex = class {
+import Vector3 from "../../../../util/Vector3.js";
+
+export default class Vertex {
 
     /**
      * A vertex contains a 3 float vector position and UV coordinates

src/js/net/minecraft/client/sound/SoundManager.js

@@ -1,4 +1,6 @@
-window.SoundManager = class {
+import Block from "../world/block/Block.js";
+
+export default class SoundManager {
 
     constructor() {
         this.audioLoader = new THREE.AudioLoader();

src/js/net/minecraft/client/world/Chunk.js

@@ -1,4 +1,9 @@
-window.Chunk = class {
+import EnumSkyBlock from "../../util/EnumSkyBlock.js";
+import Block from "./block/Block.js";
+import World from "./World.js";
+import ChunkSection from "./ChunkSection.js";
+
+export default class Chunk {
 
     constructor(world, x, z) {
         this.world = world;
@@ -92,7 +97,7 @@ window.Chunk = class {
             }
         }
 
-        this.world.updateLight(EnumSkyBlock.Block,
+        this.world.updateLight(EnumSkyBlock.BLOCK,
             this.x * 16, targetY - 1, this.z * 16,
             this.x * 16 + 16, targetY + 1, this.z * 16 + 16
         );

src/js/net/minecraft/client/world/ChunkSection.js

@@ -1,4 +1,7 @@
-window.ChunkSection = class {
+import EnumSkyBlock from "../../util/EnumSkyBlock.js";
+import Block from "./block/Block.js";
+
+export default class ChunkSection {
 
     static SIZE = 16;
 

src/js/net/minecraft/client/world/World.js

@@ -1,4 +1,15 @@
-window.World = class {
+import ChunkSection from "./ChunkSection.js";
+import WorldGenerator from "./generator/WorldGenerator.js";
+import Chunk from "./Chunk.js";
+import MathHelper from "../../util/MathHelper.js";
+import BoundingBox from "../../util/BoundingBox.js";
+import MetadataChunkBlock from "../../util/MetadataChunkBlock.js";
+import EnumSkyBlock from "../../util/EnumSkyBlock.js";
+import Block from "./block/Block.js";
+import EnumBlockFace from "../../util/EnumBlockFace.js";
+import Vector3 from "../../util/Vector3.js";
+
+export default class World {
 
     static TOTAL_HEIGHT = ChunkSection.SIZE * 8 - 1; // ChunkSection.SIZE * 16 - 1;
 

src/js/net/minecraft/client/world/block/Block.js

@@ -1,29 +1,14 @@
-window.Block = class {
+import BlockRenderType from "../../../util/BlockRenderType.js";
+import EnumBlockFace from "../../../util/EnumBlockFace.js";
+import MovingObjectPosition from "../../../util/MovingObjectPosition.js";
+import BoundingBox from "../../../util/BoundingBox.js";
+
+export default class Block {
 
     static blocks = new Map();
 
     static sounds = {};
 
-    static create() {
-        // Sounds
-        Block.sounds.stone = new Sound("stone", 1.0);
-        Block.sounds.wood = new Sound("wood", 1.0);
-        Block.sounds.gravel = new Sound("gravel", 1.0);
-        Block.sounds.grass = new Sound("grass", 1.0);
-        Block.sounds.cloth = new Sound("cloth", 1.0);
-        Block.sounds.sand = new Sound("sand", 1.0);
-
-        // Blocks
-        Block.STONE = new BlockStone(1, 0);
-        Block.GRASS = new BlockGrass(2, 1);
-        Block.DIRT = new BlockDirt(3, 2);
-        Block.LOG = new BlockLog(17, 4);
-        Block.LEAVE = new BlockLeave(18, 6);
-        Block.WATER = new BlockWater(9, 7);
-        Block.SAND = new BlockSand(12, 8)
-        Block.TORCH = new BlockTorch(50, 9)
-    }
-
     constructor(id, textureSlotId = id) {
         this.id = id;
         this.textureSlotId = textureSlotId;
@@ -209,5 +194,5 @@ window.Block = class {
     static getById(typeId) {
         return Block.blocks.get(typeId);
     }
-
 }
+

src/js/net/minecraft/client/world/block/BlockDirt.js

@@ -1,4 +1,6 @@
-window.BlockDirt = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockDirt extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockGrass.js

@@ -1,4 +1,7 @@
-window.BlockGrass = class extends Block {
+import Block from "./Block.js";
+import EnumBlockFace from "../../../util/EnumBlockFace.js";
+
+export default class BlockGrass extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockLeave.js

@@ -1,4 +1,6 @@
-window.BlockLeave = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockLeave extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockLog.js

@@ -1,4 +1,6 @@
-window.BlockLog = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockLog extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockRegistry.js

@@ -0,0 +1,33 @@
+import BlockLog from "./BlockLog.js";
+import BlockStone from "./BlockStone.js";
+import BlockGrass from "./BlockGrass.js";
+import BlockDirt from "./BlockDirt.js";
+import BlockLeave from "./BlockLeave.js";
+import BlockWater from "./BlockWater.js";
+import BlockSand from "./BlockSand.js";
+import BlockTorch from "./BlockTorch.js";
+import Sound from "./sound/Sound.js";
+import Block from "./Block.js";
+
+export class BlockRegistry {
+
+    static create() {
+        // Sounds
+        Block.sounds.stone = new Sound("stone", 1.0);
+        Block.sounds.wood = new Sound("wood", 1.0);
+        Block.sounds.gravel = new Sound("gravel", 1.0);
+        Block.sounds.grass = new Sound("grass", 1.0);
+        Block.sounds.cloth = new Sound("cloth", 1.0);
+        Block.sounds.sand = new Sound("sand", 1.0);
+
+        // Blocks
+        Block.STONE = new BlockStone(1, 0);
+        Block.GRASS = new BlockGrass(2, 1);
+        Block.DIRT = new BlockDirt(3, 2);
+        Block.LOG = new BlockLog(17, 4);
+        Block.LEAVE = new BlockLeave(18, 6);
+        Block.WATER = new BlockWater(9, 7);
+        Block.SAND = new BlockSand(12, 8)
+        Block.TORCH = new BlockTorch(50, 9)
+    }
+}

src/js/net/minecraft/client/world/block/BlockSand.js

@@ -1,4 +1,6 @@
-window.BlockSand = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockSand extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockStone.js

@@ -1,4 +1,6 @@
-window.BlockStone = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockStone extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockTorch.js

@@ -1,4 +1,9 @@
-window.BlockTorch = class extends Block {
+import BoundingBox from "../../../util/BoundingBox.js";
+import Block from "./Block.js";
+import EnumBlockFace from "../../../util/EnumBlockFace.js";
+import BlockRenderType from "../../../util/BlockRenderType.js";
+
+export default class BlockTorch extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/BlockWater.js

@@ -1,4 +1,6 @@
-window.BlockWater = class extends Block {
+import Block from "./Block.js";
+
+export default class BlockWater extends Block {
 
     constructor(id, textureSlotId) {
         super(id, textureSlotId);

src/js/net/minecraft/client/world/block/sound/Sound.js

@@ -1,4 +1,4 @@
-window.Sound = class {
+export default class Sound {
 
     constructor(name, pitch) {
         this.name = name;

src/js/net/minecraft/client/world/generator/NoiseGenerator.js

@@ -1,4 +1,4 @@
-window.NoiseGenerator = class {
+export default class NoiseGenerator {
     perlin(x, z) {
 
     }

src/js/net/minecraft/client/world/generator/WorldGenerator.js

@@ -1,4 +1,10 @@
-window.WorldGenerator = class {
+import Random from "../../../util/Random.js";
+import NoiseGeneratorCombined from "./noise/NoiseGeneratorCombined.js";
+import NoiseGeneratorOctaves from "./noise/NoiseGeneratorOctaves.js";
+import ChunkSection from "../ChunkSection.js";
+import Block from "../block/Block.js";
+
+export default class WorldGenerator {
 
     constructor(world, seed) {
         this.world = world;

src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorCombined.js

@@ -1,4 +1,6 @@
-window.NoiseGeneratorCombined = class extends NoiseGenerator {
+import NoiseGenerator from "../NoiseGenerator.js";
+
+export default class NoiseGeneratorCombined extends NoiseGenerator {
 
     constructor(firstGenerator, secondGenerator) {
         super();

src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorOctaves.js

@@ -1,4 +1,7 @@
-window.NoiseGeneratorOctaves = class extends NoiseGenerator {
+import NoiseGenerator from "../NoiseGenerator.js";
+import NoiseGeneratorPerlin from "./NoiseGeneratorPerlin.js";
+
+export default class NoiseGeneratorOctaves extends NoiseGenerator {
 
     constructor(random, octaves) {
         super();

src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorPerlin.js

@@ -1,4 +1,6 @@
-window.NoiseGeneratorPerlin = class extends NoiseGenerator {
+import NoiseGenerator from "../NoiseGenerator.js";
+
+export default class NoiseGeneratorPerlin extends NoiseGenerator {
 
     constructor(random) {
         super();

src/js/net/minecraft/util/BlockRenderType.js

@@ -1,4 +1,4 @@
-window.BlockRenderType = class {
+export default class BlockRenderType {
     static BLOCK = 0;
     static TORCH = 1;
 }

src/js/net/minecraft/util/BoundingBox.js

@@ -1,4 +1,4 @@
-window.BoundingBox = class {
+export default class BoundingBox {
 
     /**
      * Bounding box

src/js/net/minecraft/util/EnumBlockFace.js

@@ -1,4 +1,11 @@
-window.EnumBlockFace = class {
+export default class EnumBlockFace {
+
+    static TOP = new EnumBlockFace(0, 1, 0);
+    static BOTTOM = new EnumBlockFace(0, -1, 0);
+    static NORTH = new EnumBlockFace(0, 0, -1);
+    static EAST = new EnumBlockFace(1, 0, 0);
+    static SOUTH = new EnumBlockFace(0, 0, 1);
+    static WEST = new EnumBlockFace(-1, 0, 0);
 
     constructor(x, y, z) {
         this.x = x;
@@ -47,24 +54,11 @@ window.EnumBlockFace = class {
         return null;
     }
 
+    equals(other) {
+        return this.x === other.x && this.y === other.y && this.z === other.z;
+    }
+
     static values() {
-        return [
+        return [EnumBlockFace.TOP, EnumBlockFace.BOTTOM, EnumBlockFace.NORTH, EnumBlockFace.EAST, EnumBlockFace.SOUTH, EnumBlockFace.WEST];
-            EnumBlockFace.TOP,
-            EnumBlockFace.BOTTOM,
-            EnumBlockFace.NORTH,
-            EnumBlockFace.EAST,
-            EnumBlockFace.SOUTH,
-            EnumBlockFace.WEST
-        ];
     }
 }
-
-{
-    let c = window.EnumBlockFace;
-    c.TOP = new EnumBlockFace(0, 1, 0);
-    c.BOTTOM = new EnumBlockFace(0, -1, 0);
-    c.NORTH = new EnumBlockFace(0, 0, -1);
-    c.EAST = new EnumBlockFace(1, 0, 0);
-    c.SOUTH = new EnumBlockFace(0, 0, 1);
-    c.WEST = new EnumBlockFace(-1, 0, 0);
-}

src/js/net/minecraft/util/EnumSkyBlock.js

@@ -1,4 +1,4 @@
-window.EnumSkyBlock = class {
+export default class EnumSkyBlock {
     static SKY = 0;
     static BLOCK = 1;
 }

src/js/net/minecraft/util/Keyboard.js

@@ -1,17 +1,14 @@
-window.Keyboard = class {
+export default class Keyboard {
 
     static state = {};
 
     static create() {
         window.addEventListener('keydown', function (event) {
-            //event.preventDefault();
             Keyboard.state[event.code] = true;
-            //console.log("Key " + event.code + " down");
         });
         window.addEventListener('keyup', function (event) {
             event.preventDefault();
             delete Keyboard.state[event.code];
-            //console.log("Key " + event.code + " up");
         });
     };
 

src/js/net/minecraft/util/MathHelper.js

@@ -1,4 +1,4 @@
-window.MathHelper = class {
+export default class MathHelper {
 
     /**
      * Returns the greatest integer less than or equal to the double argument

src/js/net/minecraft/util/MetadataChunkBlock.js

@@ -1,4 +1,8 @@
-window.MetadataChunkBlock = class {
+import Block from "../client/world/block/Block.js";
+import EnumSkyBlock from "./EnumSkyBlock.js";
+import World from "../client/world/World.js";
+
+export default class MetadataChunkBlock {
 
     constructor(type, x1, y1, z1, x2, y2, z2) {
         this.type = type;

src/js/net/minecraft/util/MovingObjectPosition.js

@@ -1,4 +1,4 @@
-window.MovingObjectPosition = class {
+export default class MovingObjectPosition {
 
     constructor(vector, face, x, y, z) {
         this.vector = vector;

src/js/net/minecraft/util/Random.js

@@ -1,4 +1,4 @@
-window.Random = class {
+export default class Random {
 
     static instances = 0;
 

src/js/net/minecraft/util/Timer.js

@@ -1,4 +1,4 @@
-window.Timer = class {
+export default class Timer {
 
     static MS_PER_SECOND = 1000;
     static MAX_MS_PER_UPDATE = 1000;

src/js/net/minecraft/util/Vector3.js

@@ -1,4 +1,4 @@
-window.Vector3 = class {
+export default class Vector3 {
 
     constructor(x = 0, y = 0, z = 0) {
         this.x = x;

src/start.js

@@ -1,3 +1,7 @@
+import Minecraft from './js/net/minecraft/client/Minecraft.js';
+
+let resources = [];
+
 // Browser test function
 function isES6() {
     try {
@@ -42,8 +46,6 @@ function loadTexture(textures) {
     let total = textures.length;
     let index = 0;
 
-    document.textures = [];
-
     return textures.reduce((currentPromise, texturePath) => {
         return currentPromise.then(() => {
             return new Promise((resolve, reject) => {
@@ -54,7 +56,7 @@ function loadTexture(textures) {
                 let image = new Image();
                 image.src = "src/resources/" + texturePath;
                 image.onload = () => resolve();
-                document.textures[texturePath] = image;
+                resources[texturePath] = image;
 
                 index++;
             });
@@ -83,78 +85,12 @@ loadTexture([
         // Dependencies
         "libraries/three.min.js",
         "libraries/stats.min.js",
-        "libraries/context-filter-polyfill.min.js",
+        "libraries/context-filter-polyfill.min.js"
-
-        // Minecraft Source
-        "src/js/net/minecraft/util/EnumBlockFace.js",
-        "src/js/net/minecraft/util/Timer.js",
-        "src/js/net/minecraft/util/Random.js",
-        "src/js/net/minecraft/util/EnumBlockFace.js",
-        "src/js/net/minecraft/util/EnumSkyBlock.js",
-        "src/js/net/minecraft/util/MetadataChunkBlock.js",
-        "src/js/net/minecraft/util/Vector3.js",
-        "src/js/net/minecraft/util/MovingObjectPosition.js",
-        "src/js/net/minecraft/util/MathHelper.js",
-        "src/js/net/minecraft/util/BoundingBox.js",
-        "src/js/net/minecraft/util/Keyboard.js",
-        "src/js/net/minecraft/util/BlockRenderType.js",
-        "src/js/net/minecraft/client/gui/Gui.js",
-        "src/js/net/minecraft/client/gui/GuiScreen.js",
-        "src/js/net/minecraft/client/gui/widgets/GuiButton.js",
-        "src/js/net/minecraft/client/gui/widgets/GuiKeyButton.js",
-        "src/js/net/minecraft/client/gui/IngameOverlay.js",
-        "src/js/net/minecraft/client/gui/screens/GuiLoadingScreen.js",
-        "src/js/net/minecraft/client/gui/screens/GuiControls.js",
-        "src/js/net/minecraft/client/gui/screens/GuiIngameMenu.js",
-        "src/js/net/minecraft/client/GameWindow.js",
-        "src/js/net/minecraft/client/sound/SoundManager.js",
-        "src/js/net/minecraft/client/world/block/sound/Sound.js",
-        "src/js/net/minecraft/client/world/block/Block.js",
-        "src/js/net/minecraft/client/world/block/BlockStone.js",
-        "src/js/net/minecraft/client/world/block/BlockGrass.js",
-        "src/js/net/minecraft/client/world/block/BlockDirt.js",
-        "src/js/net/minecraft/client/world/block/BlockLog.js",
-        "src/js/net/minecraft/client/world/block/BlockLeave.js",
-        "src/js/net/minecraft/client/world/block/BlockWater.js",
-        "src/js/net/minecraft/client/world/block/BlockSand.js",
-        "src/js/net/minecraft/client/world/block/BlockTorch.js",
-        "src/js/net/minecraft/client/world/ChunkSection.js",
-        "src/js/net/minecraft/client/world/Chunk.js",
-        "src/js/net/minecraft/client/world/World.js",
-        "src/js/net/minecraft/client/world/generator/NoiseGenerator.js",
-        "src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorPerlin.js",
-        "src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorOctaves.js",
-        "src/js/net/minecraft/client/world/generator/noise/NoiseGeneratorCombined.js",
-        "src/js/net/minecraft/client/world/generator/WorldGenerator.js",
-        "src/js/net/minecraft/client/entity/Entity.js",
-        "src/js/net/minecraft/client/entity/EntityLiving.js",
-        "src/js/net/minecraft/client/entity/PlayerEntity.js",
-        "src/js/net/minecraft/client/inventory/Inventory.js",
-        "src/js/net/minecraft/client/GameSettings.js",
-        "src/js/net/minecraft/client/Minecraft.js",
-        "src/js/net/minecraft/client/render/isometric/IsometricRenderer.js",
-        "src/js/net/minecraft/client/render/isometric/Point.js",
-        "src/js/net/minecraft/client/render/isometric/TextCoord.js",
-        "src/js/net/minecraft/client/render/isometric/Triangle.js",
-        "src/js/net/minecraft/client/render/gui/FontRenderer.js",
-        "src/js/net/minecraft/client/render/gui/ScreenRenderer.js",
-        "src/js/net/minecraft/client/render/gui/ItemRenderer.js",
-        "src/js/net/minecraft/client/render/Tessellator.js",
-        "src/js/net/minecraft/client/render/model/ModelBase.js",
-        "src/js/net/minecraft/client/render/model/renderer/Vertex.js",
-        "src/js/net/minecraft/client/render/model/renderer/Polygon.js",
-        "src/js/net/minecraft/client/render/model/renderer/ModelRenderer.js",
-        "src/js/net/minecraft/client/render/model/model/ModelPlayer.js",
-        "src/js/net/minecraft/client/render/entity/EntityRenderer.js",
-        "src/js/net/minecraft/client/render/entity/entity/PlayerRenderer.js",
-        "src/js/net/minecraft/client/render/entity/EntityRenderManager.js",
-        "src/js/net/minecraft/client/render/WorldRenderer.js",
-        "src/js/net/minecraft/client/render/BlockRenderer.js"
     ]).then(() => {
         // Remove pre status
         document.getElementById("pre-status").remove();
 
         // Start Minecraft
-        window.app = new Minecraft("canvas-container");
+        window.app = new Minecraft("canvas-container", resources);
     });
 });