Add MountSoundManager skeleton for mount audio

Implement framework for playing mount sounds (flapping, galloping) based on mount type and movement state. Actual sound playback to be implemented next.

src/audio/mount_sound_manager.cpp

@@ -0,0 +1,133 @@
+#include "audio/mount_sound_manager.hpp"
+#include "audio/audio_engine.hpp"
+#include "pipeline/asset_manager.hpp"
+#include "core/logger.hpp"
+
+namespace wowee {
+namespace audio {
+
+MountSoundManager::MountSoundManager() = default;
+
+MountSoundManager::~MountSoundManager() {
+    shutdown();
+}
+
+bool MountSoundManager::initialize(pipeline::AssetManager* assets) {
+    assetManager_ = assets;
+    LOG_INFO("Mount sound manager initialized");
+    return true;
+}
+
+void MountSoundManager::shutdown() {
+    stopAllMountSounds();
+    mounted_ = false;
+    assetManager_ = nullptr;
+}
+
+void MountSoundManager::update(float deltaTime) {
+    (void)deltaTime;
+
+    if (!mounted_) {
+        return;
+    }
+
+    updateMountSounds();
+}
+
+void MountSoundManager::onMount(uint32_t creatureDisplayId, bool isFlying) {
+    mounted_ = true;
+    currentDisplayId_ = creatureDisplayId;
+    currentMountType_ = detectMountType(creatureDisplayId);
+    flying_ = isFlying;
+    moving_ = false;
+
+    LOG_INFO("Mount sound: mounted on display ID ", creatureDisplayId,
+             " type=", static_cast<int>(currentMountType_),
+             " flying=", flying_);
+
+    updateMountSounds();
+}
+
+void MountSoundManager::onDismount() {
+    stopAllMountSounds();
+    mounted_ = false;
+    currentMountType_ = MountType::NONE;
+    currentDisplayId_ = 0;
+    flying_ = false;
+    moving_ = false;
+}
+
+void MountSoundManager::setMoving(bool moving) {
+    if (moving_ != moving) {
+        moving_ = moving;
+        if (mounted_) {
+            updateMountSounds();
+        }
+    }
+}
+
+void MountSoundManager::setFlying(bool flying) {
+    if (flying_ != flying) {
+        flying_ = flying;
+        if (mounted_) {
+            updateMountSounds();
+        }
+    }
+}
+
+void MountSoundManager::setGrounded(bool grounded) {
+    setFlying(!grounded);
+}
+
+MountType MountSoundManager::detectMountType(uint32_t creatureDisplayId) const {
+    // TODO: Load from CreatureDisplayInfo.dbc or CreatureModelData.dbc
+    // For now, use simple heuristics based on common display IDs
+    // This is a placeholder - we'd need proper DBC parsing for accuracy
+
+    // Common flying mount display IDs (approximate ranges)
+    // Gryphons: ~2300-2310
+    // Wyverns: ~1566-1570
+    // Drakes: ~25830-25870
+    // Phoenixes: ~17890-17900
+
+    if (creatureDisplayId >= 2300 && creatureDisplayId <= 2320) return MountType::FLYING; // Gryphons
+    if (creatureDisplayId >= 1560 && creatureDisplayId <= 1580) return MountType::FLYING; // Wyverns
+    if (creatureDisplayId >= 25800 && creatureDisplayId <= 25900) return MountType::FLYING; // Drakes
+    if (creatureDisplayId >= 17880 && creatureDisplayId <= 17910) return MountType::FLYING; // Phoenixes
+
+    // Most other mounts are ground
+    return MountType::GROUND;
+}
+
+void MountSoundManager::updateMountSounds() {
+    if (!AudioEngine::instance().isInitialized() || !mounted_) {
+        return;
+    }
+
+    // TODO: Implement actual mount sound playback
+    // For now, just log state changes
+    static bool lastMoving = false;
+    static bool lastFlying = false;
+
+    if (moving_ != lastMoving || flying_ != lastFlying) {
+        LOG_INFO("Mount sound state: moving=", moving_, " flying=", flying_,
+                 " type=", static_cast<int>(currentMountType_));
+        lastMoving = moving_;
+        lastFlying = flying_;
+    }
+
+    // TODO: Load and play appropriate looping sounds:
+    // - Flying + moving: wing flaps (fast loop)
+    // - Flying + idle: wing flaps (slow loop) or hovering sound
+    // - Ground + moving: galloping/hoofbeats (pace based on speed)
+    // - Ground + idle: breathing, fidgeting sounds (occasional)
+}
+
+void MountSoundManager::stopAllMountSounds() {
+    // TODO: Stop any active looping mount sounds
+    playingMovementSound_ = false;
+    playingIdleSound_ = false;
+}
+
+} // namespace audio
+} // namespace wowee