Apply V2.2 patch

game/gamemode.lua

@@ -164,7 +164,6 @@ function GameMode:readHiScores()
 end
 
 function GameMode:updateGradeHistory()
-    promo_string = ""
     if self.grade_score >= self.promo_table[self.grade] then
 		if (self.grade == 28 and self.grade_history[2] < 4) or self.grade < 28 then self.grade_history[2] = self.grade_history[2] + 1 end
 		self.point_flash = 60
@@ -201,14 +200,13 @@ function GameMode:updateGradeHistory()
 		self.grade_history[2] = 2
     end
     self.grade_history[4] = self.grade_history[4] + 1
-    return promo_string
 end
 
 function GameMode:updateHiScores()
     self:readHiScores()
-    hiscore_pos = {0,0}
-    i = 2
-    score_position = -1
+    local hiscore_pos = {0,0}
+    local i = 2
+    local score_position = -1
     while i <= 10 do
         if score_position == -1 and self.hi_scores[i] < self.grade_score then
             score_position = i
@@ -556,7 +554,6 @@ function GameMode:stackQualityCheck()
 end
 
 function GameMode:doStackQuality()
-    local total_speed = 0
     local contiguous_holes = self:stackQualityCheck()
     local total_speed = 0
     if contiguous_holes > self.last_holes then 
@@ -708,7 +705,9 @@ function GameMode:onGameOver()
     if not self.input_playback and not self.training and not PENTO_MODE then
         if not self.did_grades then
 			self.grade_score = self.grade_score + self.speed_level
-            promo_string = self:updateGradeHistory()
+            if #self.speed_table >= 49 then
+                self:updateGradeHistory()
+            end
             hiscore_pos = self:updateHiScores()
             bitser.dumpLoveFile(SAVE_DIR..self.player_name.."_grade_history.sav", self.grade_history)
             self.did_grades = true
@@ -728,7 +727,7 @@ function GameMode:drawEndScoringInfo()
     if not PENTO_MODE then
         drawText("Best scores:", 247, 220, 1000, "left")
         
-        i = 2
+        local i = 2
         while i <= 10 do
             if i == hiscore_pos[1] or i == hiscore_pos[2] then
                 drawText(self.hi_scores[i-1]..' - '..self.hi_scores[i], 255, 220+(i*10), 1000, "left", {0,1,0,1})