添加断b2b即死规则，可在自定义模式打开

parts/player/player.lua

@@ -778,6 +778,7 @@ do--Player.drop(P)--Place piece
 		local STAT=P.stat
 		local piece=P.lastPiece
 
+		local lose
 		local cmb=P.combo
 		local CB,CX,CY=P.cur,P.curX,P.curY
 		local clear--If clear with no line fall
@@ -951,7 +952,7 @@ do--Player.drop(P)--Place piece
 		if finePts<5 then
 			STAT.extraPiece=STAT.extraPiece+1
 			if ENV.fineKill then
-				P:lose()
+				lose=true
 			end
 			if P.sound then
 				if ENV.fineKill then
@@ -1090,6 +1091,9 @@ do--Player.drop(P)--Place piece
 			--Normal clear, reduce B2B point
 			if not piece.special then
 				P.b2b=max(P.b2b-250,0)
+				if ENV.b2bKill then
+					lose=true
+				end
 				P:showText(text.clear[cc],0,-30,35,"appear",(8-cc)*.3)
 				atk=cc-.5
 				sendTime=20+atk*20
@@ -1244,7 +1248,7 @@ do--Player.drop(P)--Place piece
 			elseif ENV.missionKill then
 				P:showText(text.missionFailed,0,140,40,"flicker",.5)
 				SFX.play("finesseError_long",.6)
-				P:lose(true)
+				lose=true
 			end
 		end
 
@@ -1276,9 +1280,13 @@ do--Player.drop(P)--Place piece
 			_=STAT.clears	_[cc]=_[cc]+1--Clear[1~5]
 		end
 
-		--Drop event
-		_=ENV.dropPiece
-		if _ then _(P)end
+		if lose then
+			P:lose()
+		else
+			--Drop event
+			_=ENV.dropPiece
+			if _ then _(P)end
+		end
 	end
 end
 function Player.loadAI(P,data)--Load AI params