modeData地位提升，模式环境变量target移入其中，大规模整理代码，可读性增强

parts/modes/defender_n.lua

@@ -1,4 +1,3 @@
-local int=math.floor
 return{
 	color=COLOR.green,
 	env={
@@ -13,7 +12,7 @@ return{
 				if P.control and SCN.cur=="play"then
 					local D=P.modeData
 					D.counter=D.counter+1
-					local t=math.max(360-D.event*2,60)
+					local t=math.max(360-D.wave*2,60)
 					if D.counter>=t then
 						D.counter=0
 						for _=1,3 do
@@ -21,18 +20,18 @@ return{
 						end
 						P.atkBuffer.sum=P.atkBuffer.sum+3
 						P.stat.recv=P.stat.recv+3
-						D.event=D.event+1
-						if D.event<=90 then
-							D.point=int(108e3/t)*.1
-							if D.event==25 then
+						D.wave=D.wave+1
+						if D.wave<=90 then
+							D.rpm=math.floor(108e3/t)*.1
+							if D.wave==25 then
 								P:showTextF(text.great,0,-140,100,"appear",.6)
 								P.gameEnv.pushSpeed=2
 								P.dropDelay,P.gameEnv.drop=20,20
-							elseif D.event==50 then
+							elseif D.wave==50 then
 								P:showTextF(text.awesome,0,-140,100,"appear",.6)
 								P.gameEnv.pushSpeed=3
 								P.dropDelay,P.gameEnv.drop=10,10
-							elseif D.event==90 then
+							elseif D.wave==90 then
 								P.dropDelay,P.gameEnv.drop=5,5
 								P:showTextF(text.maxspeed,0,-140,100,"appear",.6)
 							end
@@ -49,16 +48,16 @@ return{
 	end,
 	mesDisp=function(P)
 		setFont(55)
-		mStr(P.modeData.event,69,200)
-		mStr(P.modeData.point,69,320)
+		mStr(P.modeData.wave,69,200)
+		mStr(P.modeData.rpm,69,320)
 		mText(drawableText.wave,69,260)
 		mText(drawableText.rpm,69,380)
 	end,
-	score=function(P)return{P.modeData.event,P.stat.time}end,
+	score=function(P)return{P.modeData.wave,P.stat.time}end,
 	scoreDisp=function(D)return D[1].." Waves   "..TIMESTR(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 W=P.modeData.event
+		local W=P.modeData.wave
 		return
 		W>=120 and 5 or
 		W>=100 and 4 or