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packages/frontend/src/world/room/objects/monitor.ts

@@ -3,19 +3,129 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import * as BABYLON from '@babylonjs/core';
 import { defineObject } from '../object.js';
+import { cm, WORLD_SCALE, createPlaneUvMapper, normalizeUvToSquare } from '../../utility.js';
 
 export const monitor = defineObject({
 	id: 'monitor',
 	name: 'Monitor',
 	options: {
-		schema: {},
-		default: {},
+		schema: {
+			bodyColor: {
+				type: 'color',
+				label: 'Body color',
+			},
+			screenBrightness: {
+				type: 'range',
+				label: 'Screen brightness',
+				min: 0,
+				max: 1,
+				step: 0.01,
+			},
+			customPicture: {
+				type: 'image',
+				label: 'Custom picture',
+			},
+			fit: {
+				type: 'enum',
+				label: 'Custom picture fit',
+				enum: ['cover', 'contain', 'stretch'],
+			},
+		},
+		default: {
+			bodyColor: [0.1, 0.1, 0.1],
+			screenBrightness: 0.35,
+			customPicture: null,
+			fit: 'cover',
+		},
 	},
 	placement: 'top',
 	hasTexture: true,
-	createInstance: () => {
+	createInstance: async ({ room, scene, options, model }) => {
+		const matrix = model.root.getWorldMatrix(true);
+		const scale = new BABYLON.Vector3();
+		matrix.decompose(scale);
+
+		const light = new BABYLON.SpotLight('', new BABYLON.Vector3(cm(0), cm(20) / Math.abs(scale.y), 0), new BABYLON.Vector3(0, 0, 1), Math.PI / 1, 2, scene, room?.lightContainer != null);
+		light.parent = model.root;
+		light.diffuse = new BABYLON.Color3(1.0, 1.0, 1.0);
+		light.range = cm(100);
+		light.radius = cm(20);
+		if (room?.lightContainer != null) room.lightContainer.addLight(light);
+
+		const screenMesh = model.findMesh('__X_SCREEN__');
+
+		const bodyMaterial = model.findMaterial('__X_BODY__');
+		const screenMaterial = model.findMaterial('__X_SCREEN__');
+
+		screenMaterial.ambientColor = new BABYLON.Color3(0, 0, 0);
+		screenMaterial.albedoColor = new BABYLON.Color3(0, 0, 0);
+
+		normalizeUvToSquare(screenMesh);
+		const updateUv = createPlaneUvMapper(screenMesh);
+
+		const applyFit = () => {
+			const tex = screenMaterial.emissiveTexture;
+			if (tex == null) return;
+
+			const srcAspect = tex.getSize().width / tex.getSize().height;
+			const targetAspect = 16 / 9;
+
+			updateUv(srcAspect, targetAspect, options.fit);
+
+			model.updated();
+		};
+
+		applyFit();
+
+		const applyCustomPicture = () => new Promise<void>((resolve) => {
+			if (options.customPicture != null) {
+				screenMaterial.unfreeze();
+				const tex = new BABYLON.Texture(options.customPicture, scene, false, false, undefined, () => {
+					screenMaterial.emissiveColor = new BABYLON.Color3(1, 1, 1);
+					screenMaterial.emissiveTexture = tex;
+					applyFit();
+					resolve();
+				}, (message, exception) => {
+					console.warn('Failed to load texture:', message, exception);
+					screenMaterial.emissiveColor = new BABYLON.Color3(0, 1, 0);
+					screenMaterial.emissiveTexture = null;
+					resolve();
+				});
+				tex.level = 0.5;
+			} else {
+				screenMaterial.emissiveTexture = null;
+				resolve();
+			}
+		});
+
+		await applyCustomPicture();
+
+		const applyScreenBrightness = () => {
+			const b = options.screenBrightness;
+			screenMaterial.emissiveColor = new BABYLON.Color3(b, b, b);
+			light.intensity = (5 * b) * WORLD_SCALE * WORLD_SCALE;
+		};
+
+		applyScreenBrightness();
+
+		const applyBodyColor = () => {
+			const [r, g, b] = options.bodyColor;
+			bodyMaterial.albedoColor = new BABYLON.Color3(r, g, b);
+		};
+
+		applyBodyColor();
+
 		return {
+			onOptionsUpdated: ([k, v]) => {
+				switch (k) {
+					case 'bodyColor': applyBodyColor(); break;
+					case 'screenBrightness': applyScreenBrightness(); break;
+					case 'customPicture': applyCustomPicture(); break;
+					case 'fit': applyFit(); break;
+				}
+			},
 			interactions: {},
 		};
 	},