Some various fixes (#153)

* Fix calibration menu breaking the game when entered

* Fix pause menu MissingReferenceException

* Resume instead of exiting when pressing back in the pause menu

* Clean up PauseMenu

* Fix index out of range exception in DifficultyView

Assets/Script/GameManager.cs

@@ -11,7 +11,6 @@ public enum SceneIndex {
 		PERSISTANT,
 		MENU,
 		PLAY,
-		SERVER_HOST,
 		CALIBRATION
 	}
 

Assets/Script/UI/DifficultyView.cs

@@ -17,11 +17,15 @@ public void SetInfo(string instrument, int difficulty) {
 			var icon = Addressables.LoadAssetAsync<Sprite>($"FontSprites[{instrument}]").WaitForCompletion();
 			instrumentIcon.sprite = icon;
 
+			// Acceptable difficulty range is -1 to 6
+			if (difficulty < -1) {
+				difficulty = 0; // Clamp values below -1 to 0 since this is a specifically-set value
+			} else if (difficulty > 6) {
+				difficulty = 6;
+			}
+
 			// Set ring sprite
 			int index = difficulty + 1;
-			if (difficulty == -2) {
-				index = 1;
-			}
 			ringSprite.sprite = ringSprites[index];
 
 			// Set instrument opacity

Assets/Script/UI/MainMenu.cs

@@ -233,10 +233,6 @@ public void ShowCalibrationScene() {
 			}
 		}
 
-		public void ShowHostServerScene() {
-			GameManager.Instance.LoadScene(SceneIndex.SERVER_HOST);
-		}
-
 		public void AbortSongLoad() {
 			SettingsManager.DeleteSettingsFile();
 

Assets/Script/UI/PauseMenu.cs

@@ -5,6 +5,12 @@
 
 namespace YARG.UI {
 	public class PauseMenu : MonoBehaviour {
+		private enum ButtonIndex {
+			RESUME = 0,
+			SETTINGS,
+			QUIT
+		}
+
 		[SerializeField]
 		private GenericOption[] options;
 
@@ -53,14 +59,11 @@ private void OnGenericNavigation(NavigationType navigationType, bool firstPresse
 				return;
 			}
 
-			if (navigationType == NavigationType.UP) {
-				MoveOption(-1);
-			} else if (navigationType == NavigationType.DOWN) {
-				MoveOption(1);
-			} else if (navigationType == NavigationType.PRIMARY) {
-				Next();
-			} else if (navigationType == NavigationType.SECONDARY) {
-				MainMenu.Instance.ShowSongSelect();
+			switch (navigationType) {
+				case NavigationType.UP: MoveOption(-1); break;
+				case NavigationType.DOWN: MoveOption(1); break;
+				case NavigationType.PRIMARY: SelectCurrentOption(); break;
+				case NavigationType.SECONDARY: OnResumeSelected(); break;
 			}
 		}
 
@@ -97,34 +100,30 @@ private void HoverOption(GenericOption option) {
 		}
 
 		private void ClickOption(GenericOption option) {
-			Next();
+			SelectCurrentOption();
 		}
 
-		public void Next() {
-			if (selected == 0) {
-				// Resume
-				Play.Instance.Paused = false;
-			} else if (selected == 1) {
-				// Settings
-				settingsContainer.SetActive(!settingsContainer.activeSelf);
-			} else if (selected == 2) {
-				// Quit
-				Play.Instance.Exit();
+		public void SelectCurrentOption() {
+			switch ((ButtonIndex)selected) {
+				case ButtonIndex.RESUME: OnResumeSelected(); break;
+				case ButtonIndex.SETTINGS: OnSettingsSelected(); break;
+				case ButtonIndex.QUIT: OnQuitSelected(); break;
+				default: Debug.LogError($"Unhandled option index {selected}!"); break;
 			}
 		}
 
 		private void UpdateText() {
 			// Add to options
-			optionCount = 3;
 			string[] ops = {
 				"Resume",
 				"Settings",
 				"Quit",
 				null
 			};
+			optionCount = ops.Length - 1;
 
 			// Set text and sprites
-			for (int i = 0; i < 4; i++) {
+			for (int i = 0; i < ops.Length; i++) {
 				options[i].SetText(ops[i]);
 				options[i].SetSelected(false);
 			}
@@ -133,5 +132,17 @@ private void UpdateText() {
 			selected = 0;
 			options[0].SetSelected(true);
 		}
+
+		private void OnResumeSelected() {
+			Play.Instance.Paused = false;
+		}
+
+		private void OnSettingsSelected() {
+			settingsContainer.SetActive(!settingsContainer.activeSelf);
+		}
+
+		private void OnQuitSelected() {
+			Play.Instance.Exit();
+		}
 	}
 }

ProjectSettings/EditorBuildSettings.asset

@@ -14,9 +14,6 @@ EditorBuildSettings:
   - enabled: 1
     path: Assets/Scenes/PlayScene.unity
     guid: 99c9720ab356a0642a771bea13969a05
-  - enabled: 0
-    path: Assets/Scenes/ServerHostScene.unity
-    guid: e834445e547f55b4c9fb2d58be1ff16c
   - enabled: 1
     path: Assets/Scenes/CalibrationScene.unity
     guid: 40fdd5787dc39f540b9024e7dfa32f0f