Fix FFmpegNativeDecoder to Consider Color Range When Decoding Video

Patch/Game/scnGamePatch.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using ADOFAIRenderer.Core;
+using ADOFAIRenderer.Util;
+using HarmonyLib;
+
+namespace ADOFAIRenderer.Patch.Game
+{
+    [HarmonyPatch(typeof(scnGame))]
+    // ReSharper disable once InconsistentNaming
+    public static class scnGamePatch
+    {
+        [HarmonyPrefix]
+        [HarmonyPatch("UpdateVideo")]
+        public static bool Prefix(scnGame __instance)
+        {
+            // Only replace when rendering is active
+            if (!RenderManager.IsActive)
+            {
+                // Remove FFmpeg player if it was attached previously
+                var oldPlayer = __instance.videoBG.gameObject.GetComponent<FFmpegVideoBGPlayer>();
+                if (oldPlayer != null)
+                {
+                    UnityEngine.Object.Destroy(oldPlayer);
+                }
+                // Re-enable native player component
+                __instance.videoBG.enabled = true;
+                return true; // Execute original
+            }
+
+            string text = __instance.levelData.miscSettings.GetString("bgVideo");
+            if (string.IsNullOrEmpty(text))
+            {
+                __instance.videoBG.gameObject.SetActive(false);
+                return false; // Skip original
+            }
+
+            __instance.videoBG.gameObject.SetActive(true);
+
+            // We can only play external video files via FFmpegNativeDecoder.
+            // Internal/Bundle level background videos are built-in VideoClips, so we fallback to native Unity VideoPlayer.
+            if (ADOBase.isInternalLevel || ADOBase.isBundleLevel)
+            {
+                __instance.videoBG.enabled = true;
+                return true; // Execute original
+            }
+
+            // Custom level video path
+            string videoPath = Path.Combine(Path.GetDirectoryName(ADOBase.levelPath), text);
+            if (!File.Exists(videoPath))
+            {
+                return true; // Let the original print error
+            }
+
+            // Disable native VideoPlayer component (to prevent it from attempting real-time playback and sync errors)
+            __instance.videoBG.enabled = false;
+
+            // Add or retrieve our custom FFmpeg video background player
+            var player = __instance.videoBG.gameObject.GetComponent<FFmpegVideoBGPlayer>();
+            if (player == null)
+            {
+                player = __instance.videoBG.gameObject.AddComponent<FFmpegVideoBGPlayer>();
+            }
+
+            bool isLooping = __instance.levelData.miscSettings.GetBool("loopVideo");
+            
+            // In custom levels, ADOFAI's videoBG targetTexture is pre-allocated by the game to render background filters.
+            // We initialize the player with the target RenderTexture.
+            player.Init(videoPath, __instance.videoBG.targetTexture, isLooping);
+
+            return false; // Skip original UpdateVideo
+        }
+    }
+}