feat: add a setting to disable entities rendering

prismarine-viewer/viewer/lib/entities.js

@@ -80,6 +80,7 @@ export class Entities extends EventEmitter {
     this.debugMode = 'none'
     this.onSkinUpdate = () => { }
     this.clock = new THREE.Clock()
+    this.visible = true
   }
 
   clear () {
@@ -102,6 +103,13 @@ export class Entities extends EventEmitter {
     }
   }
 
+  setVisible(visible, /** @type {THREE.Object3D?} */entity = null) {
+    this.visible = visible
+    for (const mesh of entity ? [entity] : Object.values(this.entities)) {
+      mesh.visible = visible
+    }
+  }
+
   render () {
     const dt = this.clock.getDelta()
     for (const entityId of Object.keys(this.entities)) {
@@ -284,6 +292,7 @@ export class Entities extends EventEmitter {
         this.updatePlayerSkin(entity.id, '', stevePng)
       }
       this.setDebugMode(this.debugMode, group)
+      this.setVisible(this.visible, group)
     }
 
     // this can be undefined in case where packet entity_destroy was sent twice (so it was already deleted)

src/optionsStorage.ts

@@ -53,6 +53,7 @@ const defaultOptions = {
   askGuestName: true,
   /** Actually might be useful */
   showCursorBlockInSpectator: false,
+  renderEntities: true,
 
   // advanced bot options
   autoRespawn: false,

src/watchOptions.ts

@@ -29,4 +29,8 @@ export const watchOptionsAfterViewerInit = () => {
       viewer.composer = undefined
     }
   })
+
+  watchValue(options, o => {
+    viewer.entities.setVisible(o.renderEntities)
+  })
 }