特效新内容。修复gameplay致命bug和分数保存bug

Assets/songsDatabase/SongDataController/SongButton.cs

@@ -1,4 +1,4 @@
-using UnityEngine;
+using UnityEngine;
 using UnityEngine.UI;
 using UnityEngine.SceneManagement;
 using System.Collections;
@@ -105,36 +105,26 @@ public class SongButton : MonoBehaviour
                 songOverallDescriptionText.text = string.IsNullOrEmpty(sd.thisLevel_overallDescription) ? "" : sd.thisLevel_overallDescription;
             }
 
-            // Documentation text normalized.
-            int bestTotal = 0;
-            int bestDiff = -1;
-            string bestDiffName = "";
-            sd.GetAbsoluteHighestScore(out bestTotal, out bestDiff, out bestDiffName);
+            sd.GetAbsoluteHighestScore(out int bestTotal, out int bestDiff, out string bestDiffName);
 
             if (bestTotal < 0) bestTotal = 0;
 
             if (highestScoreText != null) highestScoreText.text = bestTotal.ToString();
 
-            // Documentation text normalized.
             if (highestScoreDifficultyText != null)
-            {
                 highestScoreDifficultyText.text = string.IsNullOrEmpty(bestDiffName) ? "" : "(" + bestDiffName + ")";
-            }
 
-            // Assign scoreLevelImage based on thresholds relative to 2,000,000
             if (scoreLevelImage != null)
             {
-                Sprite chosenSprite = null;
+                Sprite chosenSprite;
                 float baseScore = 2000000f;
 
-                // Documentation text normalized.
                 if (bestTotal <= 0)
                 {
                     chosenSprite = ufSprite;
                 }
                 else
                 {
-                    // Evaluate from top to bottom thresholds
                     if (bestTotal >= baseScore * easePercent && easeSprite != null)
                         chosenSprite = easeSprite;
                     else if (bestTotal >= baseScore * ssPercent && ssSprite != null)
@@ -225,10 +215,7 @@ public class SongButton : MonoBehaviour
         }
         if (selectedSong != null)
         {
-            int bestTotal = 0;
-            int bestDiff = -1;
-            string bestDiffName = "";
-            selectedSong.GetAbsoluteHighestScore(out bestTotal, out bestDiff, out bestDiffName);
+            selectedSong.GetAbsoluteHighestScore(out int bestTotal, out int bestDiff, out string bestDiffName);
             if (bestDiff >= 0)
             {
                 selectedSong.thisLevel_selectedDifficultyID = bestDiff;