Feature: standby screen

party-stage/src/core/video-player.js

@@ -1,6 +1,6 @@
 import * as THREE from 'three';
 import { state } from '../state.js';
-import { turnTvScreenOff, turnTvScreenOn } from '../scene/projection-screen.js';
+import { turnTvScreenOff, turnTvScreenOn, showStandbyScreen } from '../scene/projection-screen.js';
 import sceneFeatureManager from '../scene/SceneFeatureManager.js';
 
 // Register a feature to handle party start
@@ -188,5 +188,6 @@ export function loadVideoFile(event) {
     } else {
         console.info("Tapes loaded. Waiting for party start...");
         if (state.loadTapeButton) state.loadTapeButton.innerText = "Tapes Ready";
+        showStandbyScreen();
     }
 }

party-stage/src/scene/music-player.js

@@ -1,6 +1,7 @@
 import { state } from '../state.js';
 import { SceneFeature } from './SceneFeature.js';
 import sceneFeatureManager from './SceneFeatureManager.js';
+import { showStandbyScreen } from './projection-screen.js';
 
 export class MusicPlayer extends SceneFeature {
     constructor() {
@@ -46,8 +47,12 @@ export class MusicPlayer extends SceneFeature {
                 loadButton.style.display = 'none';
 
                 // Show metadata
-                songTitleElement.textContent = file.name.replace(/\.[^/.]+$/, ""); // Show filename without extension
-                metadataContainer.classList.remove('hidden');
+                const songName = file.name.replace(/\.[^/.]+$/, "");
+                songTitleElement.textContent = songName; // Show filename without extension
+                state.music.songTitle = songName;
+
+                showStandbyScreen();
+                metadataContainer.classList.add('hidden');
 
                 const url = URL.createObjectURL(file);
                 state.music.player.src = url;

party-stage/src/scene/projection-screen.js

@@ -12,7 +12,7 @@ void main() {
 }
 `;
 
-const ledCountX = 128;
+const ledCountX = 256;
 const ledCountY = ledCountX * (9 / 16);
 
 const screenFragmentShader = `
@@ -234,6 +234,62 @@ export class ProjectionScreen extends SceneFeature {
 
 // --- Exported Control Functions ---
 
+export function showStandbyScreen() {
+    if (projectionScreenInstance) projectionScreenInstance.isVisualizerActive = false;
+
+    const canvas = document.createElement('canvas');
+    canvas.width = 1024;
+    canvas.height = 576;
+    const ctx = canvas.getContext('2d');
+
+    // Draw Color Bars
+    const colors = ['#ffffff', '#ffff00', '#00ffff', '#00ff00', '#ff00ff', '#ff0000', '#0000ff'];
+    const barWidth = canvas.width / colors.length;
+    colors.forEach((color, i) => {
+        ctx.fillStyle = color;
+        ctx.fillRect(i * barWidth, 0, barWidth, canvas.height);
+    });
+
+    // Semi-transparent overlay
+    ctx.fillStyle = 'rgba(0, 0, 0, 0.7)';
+    ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+    // Text settings
+    ctx.fillStyle = '#ffffff';
+    ctx.textAlign = 'center';
+    ctx.textBaseline = 'middle';
+
+    // Song Title
+    let text = "PLEASE STAND BY";
+    if (state.music && state.music.songTitle) {
+        text = state.music.songTitle.toUpperCase();
+    }
+    
+    ctx.font = 'bold 60px monospace';
+    if (ctx.measureText(text).width > canvas.width * 0.9) {
+        ctx.font = 'bold 40px monospace';
+    }
+    ctx.fillText(text, canvas.width / 2, canvas.height / 2 - 20);
+
+    // Subtext
+    ctx.font = '30px monospace';
+    ctx.fillStyle = '#cccccc';
+    ctx.fillText("WAITING FOR PARTY START", canvas.width / 2, canvas.height / 2 + 50);
+
+    const texture = new THREE.CanvasTexture(canvas);
+    
+    if (state.tvScreen.material) state.tvScreen.material.dispose();
+    
+    state.tvScreen.material = new THREE.MeshBasicMaterial({ 
+        map: texture,
+        side: THREE.DoubleSide
+    });
+    state.tvScreen.visible = true;
+    state.tvScreenPowered = true;
+    
+    state.screenLight.intensity = 0.5;
+}
+
 export function turnTvScreenOn() {
     if (projectionScreenInstance) projectionScreenInstance.isVisualizerActive = false;