implement block types

2022-01-31 22:30:00 +01:00
parent 33998053c1
commit 02c36a79ba
14 changed files with 178 additions and 21 deletions
@@ -0,0 +1,58 @@
+window.Block = class {
+
+    static blocks = [];
+
+    static create() {
+        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)
+    }
+
+    constructor(id, textureSlotId = id) {
+        this.id = id;
+        this.textureSlotId = textureSlotId;
+
+        this.boundingBox = new BoundingBox(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
+
+        // Register block
+        Block.blocks[id] = this;
+    }
+
+    getId() {
+        return this.id;
+    }
+
+    getTextureForFace(face) {
+        return this.textureSlotId;
+    }
+
+    isTransparent() {
+        return this.getOpacity() < 1.0;
+    }
+
+    shouldRenderFace(world, x, y, z, face) {
+        let typeId = world.getBlockAt(x + face.x, y + face.y, z + face.z);
+        return typeId === 0 || Block.getById(typeId).isTransparent();
+    }
+
+    isSolid() {
+        return true;
+    }
+
+    getOpacity() {
+        return 1.0;
+    }
+
+    getBoundingBox(world, x, y, z) {
+        return this.boundingBox;
+    }
+
+    static getById(typeId) {
+        return Block.blocks[typeId];
+    }
+
+}
@@ -0,0 +1,7 @@
+window.BlockDirt = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+}
@@ -0,0 +1,18 @@
+window.BlockGrass = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+    getTextureForFace(face) {
+        switch (face) {
+            case EnumBlockFace.TOP:
+                return this.textureSlotId;
+            case EnumBlockFace.BOTTOM:
+                return this.textureSlotId + 1;
+            default:
+                return this.textureSlotId + 2;
+        }
+    }
+
+}
@@ -0,0 +1,10 @@
+window.BlockLeave = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+    getOpacity() {
+        return 0.3;
+    }
+}
@@ -0,0 +1,10 @@
+window.BlockLog = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+    getTextureForFace(face) {
+        return this.textureSlotId + (face.isYAxis() ? 1 : 0);
+    }
+}
@@ -0,0 +1,7 @@
+window.BlockSand = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+}
@@ -0,0 +1,7 @@
+window.BlockStone = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+}
@@ -0,0 +1,29 @@
+window.BlockWater = class extends Block {
+
+    constructor(id, textureSlotId) {
+        super(id, textureSlotId);
+    }
+
+
+    getOpacity() {
+        return 0.3;
+    }
+
+    isSolid() {
+        return false;
+    }
+
+    shouldRenderFace(world, x, y, z, face) {
+        let typeId = world.getBlockAt(x + face.x, y + face.y, z + face.z);
+        return typeId === 0 || typeId !== this.id && Block.getById(typeId).isTransparent();
+    }
+
+    getBoundingBox(world, x, y, z) {
+        let box = this.boundingBox.clone();
+        if (world.getBlockAt(x, y + 1, z) !== this.id) {
+            box.maxY = 1.0 - 0.12;
+        }
+        return box;
+    }
+
+}