feat: Implement combat and movement sound effects with looping footsteps

src/engine/game/GameEngine.js

@@ -254,6 +254,8 @@ export class GameEngine {
         const result = CombatMechanics.resolveMeleeAttack(hero, monster, this);
         hero.hasAttacked = true;
 
+        if (window.SOUND_MANAGER) window.SOUND_MANAGER.playSound('sword');
+
         if (this.onCombatResult) this.onCombatResult(result);
 
         return { success: true, result };
@@ -309,6 +311,8 @@ export class GameEngine {
         const result = CombatMechanics.resolveRangedAttack(hero, monster, this);
         hero.hasAttacked = true;
 
+        if (window.SOUND_MANAGER) window.SOUND_MANAGER.playSound('arrow');
+
         if (this.onCombatResult) this.onCombatResult(result);
 
         return { success: true, result };

src/view/GameRenderer.js

@@ -349,6 +349,8 @@ export class GameRenderer {
     }
 
     updateAnimations(time) {
+        let isAnyMoving = false;
+
         this.entities.forEach((mesh, id) => {
             const data = mesh.userData;
 
@@ -362,6 +364,11 @@ export class GameRenderer {
                 data.targetPos = new THREE.Vector3(nextStep.x, mesh.position.y, -nextStep.y);
             }
 
+            // Check if this entity is contributing to movement sound
+            if (data.isMoving || data.pathQueue.length > 0) {
+                isAnyMoving = true;
+            }
+
             if (data.isMoving) {
                 const duration = 300; // Hero movement speed (300ms per tile)
                 const elapsed = time - data.startTime;
@@ -457,14 +464,24 @@ export class GameRenderer {
 
 
             // IF Finished Sequence (Queue empty)
-            if (data.pathQueue.length === 0) {
-                // Check if it's the player (id 'p1')
-                if (id === 'p1' && this.onHeroFinishedMove) {
+            if (data.pathQueue.length === 0 && !data.isMoving) { // Ensure strict finished state
+                // Check if it's the player (id 'p1') -- NOTE: ID might be hero_barbarian etc.
+                // Using generic callback
+                if (id === 'p1' && this.onHeroFinishedMove) { // Legacy check?
                     // Grid Coords from World Coords (X, -Z)
                     this.onHeroFinishedMove(mesh.position.x, -mesh.position.z);
                 }
             }
         });
+
+        // Handle Footsteps Audio Globally
+        if (window.SOUND_MANAGER) {
+            if (isAnyMoving) {
+                window.SOUND_MANAGER.startLoop('footsteps');
+            } else {
+                window.SOUND_MANAGER.stopLoop('footsteps');
+            }
+        }
     }
     renderExits(exits) {
         // Cancel any pending render

src/view/SoundManager.js

@@ -12,11 +12,15 @@ export class SoundManager {
                 'exploration': '/assets/music/ingame/Abandoned_Ruins.mp3'
             },
             sfx: {
-                'door_open': '/assets/sfx/opendoor.mp3'
+                'door_open': '/assets/sfx/opendoor.mp3',
+                'footsteps': '/assets/sfx/footsteps.mp3',
+                'sword': '/assets/sfx/sword1.mp3',
+                'arrow': '/assets/sfx/arrow.mp3'
             }
         };
 
         this.initialized = false;
+        this.activeLoops = new Map();
     }
 
     /**
@@ -112,4 +116,27 @@ export class SoundManager {
             // or log if needed
         });
     }
+
+    startLoop(key) {
+        if (this.isMuted) return;
+        if (this.activeLoops.has(key)) return; // Already playing
+
+        const url = this.assets.sfx[key];
+        if (!url) return;
+
+        const audio = new Audio(url);
+        audio.loop = true;
+        audio.volume = this.sfxVolume;
+        audio.play().catch(() => { });
+        this.activeLoops.set(key, audio);
+    }
+
+    stopLoop(key) {
+        const audio = this.activeLoops.get(key);
+        if (audio) {
+            audio.pause();
+            audio.currentTime = 0;
+            this.activeLoops.delete(key);
+        }
+    }
 }