Add some hidden modes + misc changes (#640)

* Added secret_grade and sprint123 to map and added some icons

* Add master_g to map

* add classic_u and master_instinct and misc changes

* added big modes

* Fix some bugs on master_instinct

* fix bugs on big mode

* Simplified Grade Display

parts/modes/master_g.lua

@@ -1,3 +1,11 @@
+
+local gradeList={
+    "Grade 9","Grade 8","Grade 7","Grade 6","Grade 5","Grade 4","Grade 3","Grade 2","Grade 1",
+    "S1","S2","S3","S4","S5","S6","S7","S8","S9",
+    "m1","m2","m3","m4","m5","m6","m7","m8","m9",
+    "M","MK","MV","MO","MM-","MM","MM+","GM-","GM","GM+","TM-","TM","TM+"
+}
+
 return{
     env={
         freshLimit=15,
@@ -7,14 +15,8 @@ return{
         bg='bg2',bgm='secret7th',
     },
     slowMark=true,
-    score=function(P)
-        if not tonumber(P.modeData.grade) then
-            return{P.modeData.grade,P.stat.time}
-        else
-            return{"Grade "..tostring(P.modeData.grade),P.stat.time}
-        end
-    end,
-    scoreDisp=function(D) return D[1].."   "..STRING.time(D[2])end,
+    score=function(P) return {P.modeData.gradePts,P.stat.time} end,
+    scoreDisp=function(D) return gradeList[D[1]].."   "..STRING.time(D[2])end,
     comp=function(a,b)return a[1]>b[1]or(a[1]==b[1]and a[2]<b[2])end,
     getRank=function(P)
         local G=P.modeData.gradePts