update flow

src/App.tsx

@@ -2,6 +2,7 @@ import { Suspense } from "react";
 import { Canvas } from "@react-three/fiber";
 import { Crosshair } from "@/components/ui/Crosshair";
 import { InteractPrompt } from "@/components/ui/InteractPrompt";
+import { IntroUI, BienvenueDisplay } from "@/components/ui/IntroUI";
 import { DebugPerf } from "@/utils/debug/DebugPerf";
 import { World } from "@/world/World";
 
@@ -16,6 +17,8 @@ function App(): React.JSX.Element {
       </Canvas>
       <Crosshair />
       <InteractPrompt />
+      <IntroUI />
+      <BienvenueDisplay />
     </>
   );
 }

src/components/game/GameFlow.tsx

@@ -0,0 +1,57 @@
+import { useEffect, useRef, useState } from "react";
+import { GameStepManager } from "@/stateManager/GameStepManager";
+import { AudioManager } from "@/stateManager/AudioManager";
+import { AUDIO_PATHS } from "@/data/audioConfig";
+
+export function GameFlow(): null {
+  const manager = GameStepManager.getInstance();
+  const hasInitialized = useRef(false);
+  const [step, setStep] = useState(manager.getStep());
+
+  useEffect(() => {
+    const unsubscribe = manager.subscribe(() => {
+      setStep(manager.getStep());
+    });
+    return unsubscribe;
+  }, [manager]);
+
+  useEffect(() => {
+    console.log("[GameFlow] Current step:", step);
+    if (!hasInitialized.current && step === "intro") {
+      hasInitialized.current = true;
+      console.log("[GameFlow] Transition to start-intro");
+      manager.transitionTo("start-intro");
+    }
+  }, [step, manager]);
+
+  useEffect(() => {
+    console.log("[GameFlow] useEffect triggered, step:", step);
+
+    if (step === "start-intro") {
+      console.log("[GameFlow] Playing intro audio");
+      const audio = AudioManager.getInstance();
+      audio.playSoundWithCallback(AUDIO_PATHS.intro, 0.5, () => {
+        console.log("[GameFlow] Intro audio ended, transition to naming");
+        manager.transitionTo("naming");
+      });
+
+      return () => {};
+    }
+
+    if (step === "bienvenue") {
+      console.log("[GameFlow] Playing bienvenue audio");
+      const audio = AudioManager.getInstance();
+      audio.playSoundWithCallback(AUDIO_PATHS.bienvenue, 0.5, () => {
+        console.log("[GameFlow] Bienvenue audio ended, enable movement");
+        manager.setCanMove(true);
+        manager.transitionTo("star-move");
+      });
+
+      return () => {};
+    }
+
+    return undefined;
+  }, [step, manager]);
+
+  return null;
+}

src/components/ui/IntroUI.tsx

@@ -0,0 +1,129 @@
+import { useState } from "react";
+import { useGameStep } from "@/hooks/useGameStep";
+
+export function IntroUI(): React.JSX.Element | null {
+  const { step, setPlayerName, transitionTo } = useGameStep();
+  const [inputValue, setInputValue] = useState("");
+
+  if (step !== "naming") return null;
+
+  const handleSubmit = (): void => {
+    if (inputValue.trim() === "") return;
+
+    console.log("[IntroUI] Submitting, name:", inputValue.trim());
+    setPlayerName(inputValue.trim());
+    console.log("[IntroUI] Calling transitionTo('bienvenue')");
+    transitionTo("bienvenue");
+    console.log("[IntroUI] After transitionTo, step should be:", step);
+  };
+
+  const handleKeyDown = (e: React.KeyboardEvent): void => {
+    if (e.key === "Enter") {
+      handleSubmit();
+    }
+  };
+
+  return (
+    <div
+      style={{
+        position: "fixed",
+        top: 0,
+        left: 0,
+        width: "100%",
+        height: "100%",
+        display: "flex",
+        alignItems: "center",
+        justifyContent: "center",
+        backgroundColor: "rgba(0, 0, 0, 0.7)",
+        zIndex: 1000,
+      }}
+    >
+      <div
+        style={{
+          backgroundColor: "#1a1a1a",
+          padding: "2rem",
+          borderRadius: "12px",
+          display: "flex",
+          flexDirection: "column",
+          gap: "1.5rem",
+          minWidth: "300px",
+        }}
+      >
+        <h2
+          style={{
+            color: "#fff",
+            margin: 0,
+            fontSize: "1.5rem",
+            textAlign: "center",
+          }}
+        >
+          Quel est votre prénom ?
+        </h2>
+        <input
+          type="text"
+          value={inputValue}
+          onChange={(e) => setInputValue(e.target.value)}
+          onKeyDown={handleKeyDown}
+          placeholder="Votre prénom"
+          autoFocus
+          style={{
+            padding: "0.75rem",
+            fontSize: "1rem",
+            borderRadius: "6px",
+            border: "1px solid #444",
+            backgroundColor: "#2a2a2a",
+            color: "#fff",
+            outline: "none",
+          }}
+        />
+        <button
+          onClick={handleSubmit}
+          disabled={inputValue.trim() === ""}
+          style={{
+            padding: "0.75rem",
+            fontSize: "1rem",
+            borderRadius: "6px",
+            border: "none",
+            backgroundColor: inputValue.trim() ? "#4a9" : "#444",
+            color: "#fff",
+            cursor: inputValue.trim() ? "pointer" : "not-allowed",
+            transition: "background-color 0.2s",
+          }}
+        >
+          Valider
+        </button>
+      </div>
+    </div>
+  );
+}
+
+export function BienvenueDisplay(): React.JSX.Element | null {
+  const { step, playerName } = useGameStep();
+
+  if (step !== "bienvenue") return null;
+
+  return (
+    <div
+      style={{
+        position: "fixed",
+        top: "20%",
+        left: "50%",
+        transform: "translateX(-50%)",
+        backgroundColor: "rgba(0, 0, 0, 0.8)",
+        padding: "1rem 2rem",
+        borderRadius: "8px",
+        zIndex: 100,
+      }}
+    >
+      <p
+        style={{
+          color: "#fff",
+          margin: 0,
+          fontSize: "1.25rem",
+        }}
+      >
+        Bienvenue {playerName} !
+      </p>
+    </div>
+  );
+}

src/data/audioConfig.ts

@@ -0,0 +1,4 @@
+export const AUDIO_PATHS = {
+  intro: "/sounds/fa.mp3",
+  bienvenue: "/sounds/fa.mp3",
+} as const;

src/hooks/useGameStep.ts

@@ -5,8 +5,7 @@ import type { GameStepSnapshot } from "@/types/game";
 const manager = GameStepManager.getInstance();
 
 export function useGameStep(): GameStepSnapshot {
-  return useSyncExternalStore(manager.subscribe.bind(manager), () => ({
-    step: manager.getStep(),
-    transitionTo: manager.transitionTo.bind(manager),
-  }));
+  return useSyncExternalStore(manager.subscribe.bind(manager), () =>
+    manager.getSnapshot(),
+  );
 }

src/stateManager/AudioManager.ts

@@ -40,6 +40,46 @@ export class AudioManager {
     });
   }
 
+  playSoundWithCallback(
+    path: string,
+    volume: number,
+    onEnded: () => void,
+  ): void {
+    console.log("[AudioManager] playSoundWithCallback:", path);
+    const audio = new Audio(path);
+    audio.volume = Math.max(0, Math.min(1, volume));
+    audio.currentTime = 0;
+
+    audio.addEventListener("ended", () => {
+      console.log("[AudioManager] Audio ended:", path);
+      onEnded();
+    });
+
+    audio.addEventListener("error", (e) => {
+      console.error("[AudioManager] Audio error:", path, e);
+    });
+
+    audio
+      .play()
+      .then(() => {
+        console.log("[AudioManager] Audio playing:", path);
+      })
+      .catch((error: unknown) => {
+        console.error("[AudioManager] Play failed:", path, error);
+        if (
+          error instanceof DOMException &&
+          AudioManager.IGNORED_PLAYBACK_ERRORS.has(error.name)
+        ) {
+          return;
+        }
+
+        logger.error("AudioManager", "Failed to play sound", {
+          path,
+          error: AudioManager._toLogValue(error),
+        });
+      });
+  }
+
   destroy(): void {
     this._audioPools.forEach((pool) => {
       pool.forEach((audio) => {

src/stateManager/GameStepManager.ts

@@ -1,10 +1,13 @@
-import type { GameStep } from "@/types/game";
+import type { GameStep, GameStepSnapshot } from "@/types/game";
 
 export class GameStepManager {
   private static _instance: GameStepManager | null = null;
 
   private _currentStep: GameStep = "intro";
+  private _playerName = "";
+  private _canMove = false;
   private readonly _listeners = new Set<() => void>();
+  private _cachedSnapshot: GameStepSnapshot | null = null;
 
   static getInstance(): GameStepManager {
     if (!GameStepManager._instance) {
@@ -20,10 +23,48 @@ export class GameStepManager {
     return this._currentStep;
   }
 
+  getPlayerName(): string {
+    return this._playerName;
+  }
+
+  canMove(): boolean {
+    return this._canMove;
+  }
+
+  getSnapshot(): GameStepSnapshot {
+    if (!this._cachedSnapshot) {
+      this._cachedSnapshot = {
+        step: this._currentStep,
+        playerName: this._playerName,
+        canMove: this._canMove,
+        transitionTo: this.transitionTo.bind(this),
+        setPlayerName: this.setPlayerName.bind(this),
+      };
+    }
+    return this._cachedSnapshot;
+  }
+
   transitionTo(step: GameStep): void {
     if (this._currentStep === step) return;
 
     this._currentStep = step;
+    this._cachedSnapshot = null;
+    this._emit();
+  }
+
+  setPlayerName(name: string): void {
+    if (this._playerName === name) return;
+
+    this._playerName = name;
+    this._cachedSnapshot = null;
+    this._emit();
+  }
+
+  setCanMove(canMove: boolean): void {
+    if (this._canMove === canMove) return;
+
+    this._canMove = canMove;
+    this._cachedSnapshot = null;
     this._emit();
   }
 
@@ -37,7 +78,10 @@ export class GameStepManager {
 
   destroy(): void {
     this._currentStep = "intro";
+    this._playerName = "";
+    this._canMove = false;
     this._listeners.clear();
+    this._cachedSnapshot = null;
     GameStepManager._instance = null;
   }
 

src/types/game.ts

@@ -1,6 +1,12 @@
 import type { Vector3Tuple } from "@/types/3d";
 
-export type GameStep = "intro" | "outOfFabrik";
+export type GameStep =
+  | "intro"
+  | "start-intro"
+  | "naming"
+  | "bienvenue"
+  | "star-move"
+  | "outOfFabrik";
 
 export interface Zone {
   id: string;
@@ -16,5 +22,8 @@ export interface GameState {
 
 export interface GameStepSnapshot {
   step: GameStep;
+  playerName: string;
+  canMove: boolean;
   transitionTo: (step: GameStep) => void;
+  setPlayerName: (name: string) => void;
 }

src/world/World.tsx

@@ -10,6 +10,7 @@ import {
   ZoneDebugVisuals,
   ZoneDetection,
 } from "@/components/zone/ZoneDetection";
+import { GameFlow } from "@/components/game/GameFlow";
 import { DebugCameraControls } from "@/utils/debug/scene/DebugCameraControls";
 import { DebugHelpers } from "@/utils/debug/scene/DebugHelpers";
 import { Environment } from "@/world/Environment";
@@ -34,6 +35,7 @@ export function World(): React.JSX.Element {
       <DebugHelpers />
       <ZoneDetection />
       <ZoneDebugVisuals />
+      <GameFlow />
       {cameraMode === "debug" ? <DebugCameraControls /> : null}
 
       {sceneMode === "game" ? (

src/world/player/PlayerController.tsx

@@ -24,6 +24,7 @@ import {
   PLAYER_XZ_DAMPING_FACTOR,
 } from "@/data/playerConfig";
 import { InteractionManager } from "@/stateManager/InteractionManager";
+import { GameStepManager } from "@/stateManager/GameStepManager";
 import type { Vector3Tuple } from "@/types/3d";
 
 type Keys = {
@@ -63,6 +64,7 @@ export function PlayerController({
   const velocity = useRef(new THREE.Vector3());
   const onFloor = useRef(false);
   const wantsJump = useRef(false);
+  const gameStepManager = GameStepManager.getInstance();
 
   const capsule = useRef(
     new Capsule(
@@ -165,6 +167,12 @@ export function PlayerController({
   }, []);
 
   useFrame((_, delta) => {
+    if (!gameStepManager.canMove()) {
+      velocity.current.set(0, 0, 0);
+      camera.position.copy(capsule.current.end);
+      return;
+    }
+
     const dt = Math.min(delta, PLAYER_MAX_DELTA);
 
     camera.getWorldDirection(_forward);