修改Ospin的实现，O的旋转历史不再直接记录在玩家对象里而是放在方块数据中伴随方块刷新自动重置

两种方法各有缺点，暂时选择旋转系统不污染玩家的属性

parts/RSlist.lua

@@ -174,16 +174,19 @@ do
                 end
                 if P.gameEnv.ospin then
                     local x,y=P.curX,P.curY
+                    local C=P.cur
                     if y==P.ghoY and((P:solid(x-1,y)or P:solid(x-1,y+1)))and(P:solid(x+2,y)or P:solid(x+2,y+1))then
                         if P.sound then
                             SFX.play('rotatekick',nil,P:getCenterX()*.15)
                         end
-                        P.spinSeq=P.spinSeq%100*10+d
-                        if P.spinSeq<100 then
+
+                        --[Warning] field spinSeq is a dirty data, TRS put this var into the block.
+                        C.spinSeq=(C.spinSeq or 0)%100*10+d
+                        if C.spinSeq<100 then
                             return end
                         for i=1,#OspinList do
                             local L=OspinList[i]
-                            if P.spinSeq==L[1]then
+                            if C.spinSeq==L[1]then
                                 local id,dir=L[2],L[3]
                                 local bk=BLOCKS[id][dir]
                                 x,y=P.curX+L[4],P.curY+L[5]
@@ -194,15 +197,13 @@ do
                                         L[6]==2 or(P:ifoverlap(bk,x,y-1)and P:ifoverlap(bk,x,y+1))
                                     )
                                 then
-                                    local C=P.cur
                                     C.id=id
                                     C.bk=bk
                                     P.curX,P.curY=x,y
-                                    P.cur.dir=dir
+                                    C.dir=dir
                                     P.spinLast=2
                                     P.stat.rotate=P.stat.rotate+1
                                     P:freshBlock('move')
-                                    P.spinSeq=0
                                     return
                                 end
                             end
@@ -211,7 +212,7 @@ do
                         if P.sound then
                             SFX.play('rotate',nil,P:getCenterX()*.15)
                         end
-                        P.spinSeq=0
+                        C.spinSeq=nil
                     end
                 else
                     if P.sound then