Implement thief discard and retain flows

tools/deck/cb/deckturn.mjs

@@ -221,6 +221,8 @@ for i = 1, 3 do
 	end
 end`),
     method('StartPlayerTurn', `self.Turn = self.Turn + 1
+self.RetainSelectActive = false
+self:UpdateDiscardPrompt()
 self.Energy = self.MaxEnergy
 self:ApplyRelics("turnStart")
 self.PlayerBlock = 0
@@ -248,6 +250,33 @@ end
 self:DrawCards(5)
 self:RenderHand(true)
 self:RenderCombat()`),
+    method('HasPowerEffect', `if self.PlayerPowers == nil then
+	return false
+end
+for i = 1, #self.PlayerPowers do
+	local pc = self.Cards[self.PlayerPowers[i]]
+	if pc ~= nil and pc.powerEffect == effect then
+		return true
+	end
+end
+return false`, [{ Type: 'string', DefaultValue: null, SyncDirection: 0, Attributes: [], Name: 'effect' }], 0, 'boolean'),
+    method('ShouldOfferRetain', `if self:HasPowerEffect("retainOne") ~= true then
+	return false
+end
+if self.Hand == nil or #self.Hand <= 0 then
+	return false
+end
+for i = 1, #self.Hand do
+	local c = self.Cards[self.Hand[i]]
+	if c ~= nil and c.retain ~= true then
+		return true
+	end
+end
+return false`, [], 0, 'boolean'),
+    method('BeginRetainSelection', `self.RetainSelectActive = true
+self:UpdateDiscardPrompt()
+self:Toast("보존할 카드를 선택하세요")
+self:RenderHand(false)`, []),
     method('EndPlayerTurn', `if self.CombatOver == true or self.FxBusy == true or self.TurnBusy == true then
 	return
 end
@@ -255,6 +284,17 @@ if self:IsDiscardSelecting() == true then
 	self:Toast("버릴 카드를 먼저 선택하세요")
 	return
 end
+if self:IsRetainSelecting() == true then
+	self:FinishPlayerTurn(0)
+	return
+end
+if self:ShouldOfferRetain() == true then
+	self:BeginRetainSelection()
+	return
+end
+self:FinishPlayerTurn(0)`),
+    method('FinishPlayerTurn', `self.RetainSelectActive = false
+self:UpdateDiscardPrompt()
 local burn = 0
 for bi = 1, #self.Hand do
 \tlocal hc = self.Cards[self.Hand[bi]]
@@ -270,7 +310,7 @@ local kept = {}
 for i = 1, #self.Hand do
 \tlocal cardId = self.Hand[i]
 \tlocal c = self.Cards[cardId]
-\tif c ~= nil and c.retain == true then
+\tif c ~= nil and (c.retain == true or i == retainSlot) then
 \t\ttable.insert(kept, cardId)
 \telse
 \t\ttable.insert(self.DiscardPile, cardId)
@@ -281,8 +321,9 @@ if self.PlayerWeak > 0 then self.PlayerWeak = self.PlayerWeak - 1 end
 if self.PlayerVuln > 0 then self.PlayerVuln = self.PlayerVuln - 1 end
 self:RenderHand(false)
 self:RenderPiles()
-self:EnemyTurn()`),
+self:EnemyTurn()`, [{ Type: 'number', DefaultValue: null, SyncDirection: 0, Attributes: [], Name: 'retainSlot' }]),
     method('DrawCards', `local drawnSlots = {}
+local drewAny = false
 for i = 1, amount do
 \tif #self.DrawPile <= 0 then
 \t\tself:RecycleDiscardIntoDraw()
@@ -296,14 +337,15 @@ for i = 1, amount do
 \t\tself:TriggerSly(cardId)
 \telse
 \t\ttable.insert(self.Hand, cardId)
-\t\tif #self.Hand <= 5 then
-\t\t\ttable.insert(drawnSlots, #self.Hand)
-\t\tend
+\t\tdrewAny = true
+\t\ttable.insert(drawnSlots, #self.Hand)
 \tend
 end
 self:RenderPiles()
-if animate == true and #drawnSlots > 0 then
+if drewAny == true then
 \tself:RenderHand(false)
+end
+if animate == true and #drawnSlots > 0 then
 \tlocal drawStart = Vector2(-590, 8)
 \tfor i = 1, #drawnSlots do
 \t\tlocal slot = drawnSlots[i]