implement item renderer, add debug information to overlay

2022-02-05 16:18:31 +01:00
parent c8111badb9
commit 52427e610d
9 changed files with 160 additions and 33 deletions
@@ -0,0 +1,73 @@
+window.ItemRenderer = class {
+
+    constructor(minecraft, window) {
+        this.minecraft = minecraft;
+        this.window = window;
+
+        this.items = [];
+    }
+
+    initialize() {
+        // Create item camera
+        this.camera = new THREE.OrthographicCamera(0, 0, 0, 0, 0, 300);
+        this.camera.near = 0;
+        this.camera.far = 15;
+        this.camera.rotation.order = 'ZYX';
+        this.camera.up = new THREE.Vector3(0, 1, 0);
+
+        // Create scene
+        this.scene = new THREE.Scene();
+        this.scene.matrixAutoUpdate = false;
+
+        // Create web renderer
+        this.webRenderer = new THREE.WebGLRenderer({
+            canvas: this.window.canvasItems,
+            antialias: true
+        });
+
+        // Settings
+        this.webRenderer.setSize(this.window.width, this.window.height);
+        this.webRenderer.shadowMap.enabled = true;
+        this.webRenderer.shadowMap.type = THREE.PCFSoftShadowMap; // default THREE.PCFShadowMap
+        this.webRenderer.autoClear = false;
+        this.webRenderer.sortObjects = false;
+        this.webRenderer.setClearColor(0x000000, 0);
+        this.webRenderer.clear();
+    }
+
+    render(partialTicks) {
+        // Update camera
+        this.camera.left = -this.window.width / 2;
+        this.camera.right = this.window.width / 2;
+        this.camera.top = this.window.height / 2;
+        this.camera.bottom = -this.window.height / 2;
+        this.camera.setViewOffset(this.window.width, this.window.height, this.window.width / 2, this.window.height / 2, this.window.width, this.window.height);
+        this.camera.updateProjectionMatrix();
+
+        // Render scene
+        this.webRenderer.render(this.scene, this.camera);
+    }
+
+    renderItemInGui(renderId, block, x, y) {
+        let meta = this.items[renderId];
+        if (typeof meta === "undefined") {
+            let meta = {};
+
+            let group = new THREE.Group();
+            this.minecraft.worldRenderer.blockRenderer.renderGuiBlock(group, block, x, y, 10);
+            this.scene.add(group);
+
+            meta.group = group;
+            meta.typeId = block.getId();
+            meta.x = x;
+            meta.y = y;
+            this.items[renderId] = meta;
+        } else {
+            if (meta.typeId !== block.getId() || meta.x !== x || meta.y !== y) {
+                this.scene.remove(meta.group);
+                delete this.items[renderId];
+                this.renderItemInGui(renderId, block, x, y);
+            }
+        }
+    }
+}