experimental bravo formula for tgm1

tetris/modes/marathon_a1.lua

@@ -145,11 +145,12 @@ function MarathonA1Game:onLineClear(cleared_row_count)
 end
 
 function MarathonA1Game:updateScore(level, drop_bonus, cleared_lines)
+	if self.grid:checkForBravo(cleared_lines) then self.bravo = 4 else self.bravo = 1 end
 	if cleared_lines > 0 then
 		self.combo = self.combo + (cleared_lines - 1) * 2
 		self.score = self.score + (
 			(math.ceil((level + cleared_lines) / 4) + drop_bonus) *
-			cleared_lines * self.combo
+			cleared_lines * self.combo * self.bravo
 		)
         self.lines = self.lines + cleared_lines
 	else