Custom Background Testing

Assets/BackgroundManager.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+
+using UnityEngine;
+using UnityEngine.Video;
+
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+public class BackgroundManager : MonoBehaviour {
+
+	public Camera mainCamera;
+	public RenderTexture bgTexture;
+
+    // Start is called before the first frame update
+    void Start() {
+	    bgTexture = new RenderTexture(Screen.currentResolution.width, Screen.currentResolution.height, 16, RenderTextureFormat.ARGB32);
+	    bgTexture.Create();
+	    mainCamera.targetTexture = bgTexture;
+    }
+
+    private void OnDestroy() {
+	    bgTexture.Release();
+
+    }
+
+    GameObject tromboneBackground;
+
+    #if UNITY_EDITOR
+	[ContextMenu("Export Background")]
+    public void ExportBackground() {
+	    tromboneBackground = gameObject;
+	    string path = EditorUtility.SaveFilePanel("Save Trombone Background", string.Empty, "bg",
+			    "yarground");
+
+		    BuildTargetGroup selectedBuildTargetGroup = EditorUserBuildSettings.selectedBuildTargetGroup;
+		    BuildTarget activeBuildTarget = EditorUserBuildSettings.activeBuildTarget;
+
+		    GameObject clonedTromboneBackground = null;
+
+		    try {
+			    if (!string.IsNullOrEmpty(path)) {
+				    clonedTromboneBackground = Instantiate(tromboneBackground.gameObject);
+
+				    string fileName = Path.GetFileName(path);
+				    string folderPath = Path.GetDirectoryName(path);
+
+				    // serialize tromboners (this one is not unity's fault, it's base game weirdness)
+				    List<string> trombonePaths = new List<string>() { "Assets/_Background.prefab" };
+
+
+				    PrefabUtility.SaveAsPrefabAsset(clonedTromboneBackground.gameObject, "Assets/_Background.prefab");
+				    AssetBundleBuild assetBundleBuild = default;
+				    assetBundleBuild.assetBundleName = fileName;
+				    assetBundleBuild.assetNames = trombonePaths.ToArray();
+
+				    BuildPipeline.BuildAssetBundles(Application.temporaryCachePath,
+					    new AssetBundleBuild[] { assetBundleBuild }, BuildAssetBundleOptions.ForceRebuildAssetBundle,
+					    EditorUserBuildSettings.activeBuildTarget);
+				    EditorPrefs.SetString("currentBuildingAssetBundlePath", folderPath);
+				    EditorUserBuildSettings.SwitchActiveBuildTarget(selectedBuildTargetGroup, activeBuildTarget);
+
+				    foreach (var asset in trombonePaths) {
+					    AssetDatabase.DeleteAsset(asset);
+				    }
+
+				    if (File.Exists(path)) File.Delete(path);
+
+				    // Unity seems to save the file in lower case, which is a problem on Linux, as file systems are case sensitive there
+				    File.Move(Path.Combine(Application.temporaryCachePath, fileName.ToLowerInvariant()), path);
+
+				    AssetDatabase.Refresh();
+
+				    EditorUtility.DisplayDialog("Export Successful!", "Export Successful!", "OK");
+
+				    if (clonedTromboneBackground != null) DestroyImmediate(clonedTromboneBackground);
+			    }
+		    } 
+		    catch {
+			    if (clonedTromboneBackground != null) DestroyImmediate(clonedTromboneBackground);
+		    }
+
+    }
+
+	#endif
+}

Assets/Script/PlayMode/Play.cs

@@ -159,8 +159,24 @@ private void StartSong() {
 				i++;
 			}
 
-			SongStarted = true;
+			//Load Background
+			string backgroundPath = Path.Combine(song.Location, "bg.yarground");
+			if (File.Exists(backgroundPath)) {
+
+				var bundle = AssetBundle.LoadFromFile(backgroundPath);
+				var bg = bundle.LoadAsset<GameObject>("assets/_background.prefab");
+				Instantiate(bg);
+				Debug.Log("Loaded Custom Background!");
+				OnSongEnd += (SongEntry song) => { bundle.Unload(true);};
+			} 
+			else {
+				Debug.LogWarning($"There is no background file in {backgroundPath}!");
+			}
 
+			SongStarted = true;
+
+
+
 			// Hide loading screen
 			GameUI.Instance.loadingContainer.SetActive(false);