local function check_tsd(P)
	if #P.clearedRow>0 then
		if P.lastClear~=52 then
			P:lose()
		elseif #P.clearedRow>0 then
			P.modeData.event=P.modeData.event+1
		end
	end
end

return{
	name={
		"TSD挑战",
		"T旋双清挑战",
		"TSD Challenge",
	},
	level={
		"简单",
		"简单",
		"EASY",
	},
	info={
		"你能连续做几个TSD?",
		"你能连续做几个T旋双清?",
		"T-spin-doubles only",
	},
	color=color.green,
	env={
		drop=1e99,lock=1e99,
		oncehold=false,
		dropPiece=check_tsd,
		ospin=false,
		bg="matrix",bgm="reason",
	},
	load=function()
		newPlayer(1,340,15)
	end,
	mesDisp=function(P,dx,dy)
		setFont(75)
		mStr(P.modeData.event,-81,330)
		mDraw(drawableText.tsd,-81,407)
	end,
	score=function(P)return{P.modeData.event,P.stat.time}end,
	scoreDisp=function(D)return D[1].."TSD   "..toTime(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 T=P.modeData.event
		return
		T>=23 and 5 or
		T>=20 and 4 or
		T>=15 and 3 or
		T>=10 and 2 or
		T>=6 and 1 or
		T>=1 and 0
	end,
}