first pass at MusicPlayer (#137)

* first pass at MusicPlayer
* clean up of StartUp scene to not include UI or dynamic light
* PR feedback and re-applied scene changes after latest dev merge

Author: FPaizSF

Assets/BossRoom/Prefabs/Character/ImpBoss.prefab

@@ -19,7 +19,20 @@ MonoBehaviour:
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   m_BaseHP: {fileID: 11400000, guid: f393c51c2bce455478a0b995b8d4e3dd, type: 2}
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+MonoBehaviour:
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+  m_PrefabInstance: {fileID: 0}
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+  m_GameObject: {fileID: 3688950541947916333}
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+  m_Name: 
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 PrefabInstance:
   m_ObjectHideFlags: 0

Assets/BossRoom/Scenes/CharSelect.unity

@@ -1,3 +1,3 @@
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+size 180878

Assets/BossRoom/Scenes/MainMenu.unity

@@ -1,3 +1,3 @@
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+size 38743

Assets/BossRoom/Scenes/Startup.unity

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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+size 20090

Assets/BossRoom/Scripts/Client/Audio.meta

@@ -0,0 +1,42 @@
+using UnityEngine;
+
+
+namespace BossRoom.Client
+{
+    /// <summary>
+    /// Simple class to restart game theme on main menu load
+    /// </summary>
+    public class BossMusicStarter : MonoBehaviour
+    {
+        private bool m_Won = false;
+
+        void Start()
+        {
+            var netState = GetComponent<NetworkCharacterState>();
+            netState.NetworkLifeState.OnValueChanged += OnLifeStateChanged;
+            netState.HealthState.HitPoints.OnValueChanged += OnHealthChanged;
+        }
+
+        private void OnLifeStateChanged(LifeState previousValue, LifeState newValue)
+        {
+            if (newValue!= LifeState.Alive)
+            {
+                // players won! Start victory theme
+                ClientMusicPlayer.Instance.PlayVictoryMusic();
+                m_Won = true;
+            }
+        }
+
+        private void OnHealthChanged(int previousValue, int newValue)
+        {
+            // don't do anything if battle is over
+            if (m_Won) { return; }
+
+            // make sure battle music started anytime boss is hurt
+            if (previousValue>newValue)
+            {
+                ClientMusicPlayer.Instance.PlayBossMusic();
+            }
+        }
+    }
+}

Assets/BossRoom/Scripts/Client/Audio/BossMusicStarter.cs

@@ -0,0 +1,79 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Audio;
+
+namespace BossRoom.Client
+{
+    /// <summary>
+    /// Music player that handles start of boss battle, victory and restart
+    /// </summary>
+    [RequireComponent(typeof(AudioSource))]
+    public class ClientMusicPlayer : MonoBehaviour
+    {
+        [SerializeField]
+        private AudioClip m_ThemeMusic;
+
+        [SerializeField]
+        private AudioClip m_BossMusic;
+
+        [SerializeField]
+        private AudioClip m_VictoryMusic;
+
+        [SerializeField]
+        private AudioSource m_source;
+
+        /// <summary>
+        /// static accessor for ClientMusicPlayer
+        /// </summary>
+        public static ClientMusicPlayer Instance { get; private set; }
+
+        void Start()
+        {
+
+        }
+
+        public void PlayThemeMusic(bool restart)
+        {
+            PlayTrack(m_ThemeMusic, true, restart);
+        }
+
+        public void PlayBossMusic()
+        {
+            // this can be caled multiple times - play with restart = false
+            PlayTrack(m_BossMusic, true, false);
+        }
+
+        public void PlayVictoryMusic()
+        {
+            PlayTrack(m_VictoryMusic, false, false);
+        }
+
+        private void PlayTrack(AudioClip clip, bool looping, bool restart)
+        {
+            if (m_source.isPlaying)
+            {
+                // if we dont want to restart the clip, do nothing if it is playing
+                if (!restart && m_source.clip==clip) { return; }
+                m_source.Stop();
+            }
+            m_source.clip = clip;
+            m_source.loop = looping;
+            m_source.time = 0;
+            m_source.Play();
+        }
+
+        private void Awake()
+        {
+            m_source = GetComponent<AudioSource>();
+
+            if (Instance != null)
+            {
+                throw new System.Exception("Multiple ClientMuscPlayers!");
+            }
+                        m_source = GetComponent<AudioSource>();
+            DontDestroyOnLoad(gameObject);
+            Instance = this;
+        }
+    }
+}

Assets/BossRoom/Scripts/Client/Audio/BossMusicStarter.cs.meta

@@ -0,0 +1,20 @@
+using UnityEngine;
+
+
+namespace BossRoom.Client
+{
+    /// <summary>
+    /// Simple class to play game theme on scene load
+    /// </summary>
+    public class MainMenuMusicStarter : MonoBehaviour
+    {
+        // set whether theme should restart if already playing
+        [SerializeField]
+        bool m_Restart;
+
+        void Start()
+        {
+            ClientMusicPlayer.Instance.PlayThemeMusic(m_Restart);
+        }
+    }
+}