WikiDic = RegisterMod("WikiDic",1)

WikiDic.seeQuestionMark = false

WikiDic.targetEntity = nil
WikiDic.tDistance = 40
WikiDic.offsetCenter = Vector(0,-30)
WikiDic.renderOffset = Vector(0,-30)
WikiDic.font = nil
WikiDic.lineWrap = 200
WikiDic.renderPos = Vector(80,50)
WikiDic.iconNoShopItemOffset = Vector(-12,30)
WikiDic.iconOffset = Vector(-12,15)
WikiDic.trinketIconOffset = Vector(-15,15)
WikiDic.cursur_sprite = nil
WikiDic.iconScale = Vector(1,1)
WikiDic.fontScale = 1
WikiDic.distYMulti = 1
WikiDic.taintIsaacOffset = Vector(0,25)
WikiDic.taintQQQOffset = Vector(0,15)
WikiDic.authRemains = 60*9
WikiDic.lineDistance = 1
WikiDic.authTexts = {}
WikiDic.tabRenderToggle = false
WikiDic.tabRenderToggleCounter = 0
WikiDic.tabRenderToggleCounterInit = 30
WikiDic.qrCodeOffset = Vector(10,0)
WikiDic.questionMarkSprite = nil
WikiDic.spindownDiceItemSprites = nil
WikiDic.currentSpindownDiceItemID = -1
WikiDic.currentSpindownDiceItemDisplayCount = 0
WikiDic.ItemConfig = nil
WikiDic.spindownLineStartOffset = Vector(-15,4)
WikiDic.spindownFirstHoriOffset = Vector(20,0)
WikiDic.spindownDiceHoriOffset = Vector(15,0)
WikiDic.spindownDiceVertOffset = Vector(0,20)
WikiDic.spindownDiceScale = 0.5
WikiDic.spindownDiceId = 723
WikiDic.playerHasSpindownDice = false
WikiDic.schoolBagOffset = Vector(30,0)
WikiDic.schoolBagId = nil -- we don't need to add offset for school bag in rep
WikiDic.playerHasSchoolBagAfterbirth = false
WikiDic.ccIconSprite = nil
WikiDic.ccText = "This work (WikiDictionary) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License."
WikiDic.resPrefix = "wd_res/"

WikiDic.huijiTQrCodeInfo = "双击Tab键（地图键）开关二维码显示"
WikiDic.huijiWikiInfo = {
	"中文图鉴信息来源：灰机wiki",
	"https://isaac.huijiwiki.com/wiki",
}

WikiDic.fandomWikiInfo = {
	"English information comes from:",
	"The Binding of Isaac:Rebirth wiki",
	"https://bindingofisaacrebirth.fandom.com/"
}

WikiDic.spindownDiceSkip = {
	-- fill it in the init function
}

WikiDic.nullVector = Vector(0,0)

-- FAKE_CONFIG_SEG_1 --

--WikiDic.usePlayerPos = true --mouse or player pos
--WikiDic.drawMouse = true
--WikiDic.useDefaultFont = true
--WikiDic.useHalfSizeFont = true
--WikiDic.useBiggerSizeFont = true
--WikiDic.renderQrcode = true --renderQrcode == 1 >> [double click tab] >> WikiDic.qrcodeToggle >> contains_qrcode


if WikiDic.usePlayerPos then
	WikiDic.tDistance = 180
	WikiDic.offsetCenter = Vector(0,0)
	WikiDic.distYMulti = 1.6 --y is far than screen distance
end

if WikiDic.useHalfSizeFont then
	WikiDic.renderPos = Vector(70,45)
	WikiDic.iconNoShopItemOffset = Vector(-8,17)
	WikiDic.iconOffset = Vector(-8,8)
	WikiDic.trinketIconOffset = Vector(-8,6)
	WikiDic.iconScale = Vector(0.5,0.5)
	WikiDic.fontScale = 0.5
	WikiDic.taintIsaacOffset = Vector(3,27)
	WikiDic.spindownLineStartOffset = Vector(-15,6)
end
if WikiDic.useBiggerSizeFont then
	WikiDic.renderPos = Vector(80,45)
	WikiDic.iconNoShopItemOffset = Vector(-8,40)
	WikiDic.iconOffset = Vector(-15,20)
	WikiDic.trinketIconOffset = Vector(-10,12)
	WikiDic.iconScale = Vector(1.2,1.2)
	WikiDic.fontScale = 1.2
	WikiDic.taintIsaacOffset = Vector(0,25)
	WikiDic.lineDistance = 3
	WikiDic.spindownLineStartOffset = Vector(-15,0)
end
if WikiDic.useHuijiWiki then
	WikiDic.ccText = "本作品(Wiki图鉴)采用知识共享署名-非商业性使用-相同方式共享 3.0 未本地化版本许可协议进行许可。"
	if WikiDic.renderQrcode then
		table.insert(WikiDic.authTexts, WikiDic.huijiTQrCodeInfo)
	end

	for _,text in pairs(WikiDic.huijiWikiInfo) do
		table.insert(WikiDic.authTexts,text)
	end
end
if WikiDic.useFandomWiki then
	if WikiDic.useHuijiWiki then
		table.insert(WikiDic.authTexts, "")
	end
	for _,text in pairs(WikiDic.fandomWikiInfo) do
		table.insert(WikiDic.authTexts,text)
	end
end

if WikiDic.useHuijiWiki then
	table.insert(WikiDic.authTexts, "Wiki图鉴程序员：@frto027(bilibili/gitee/github), @frt-027(tieba)")
else
	table.insert(WikiDic.authTexts, "WikiDictionary programmer: @frto027(bilibili/gitee/github), @frt-027(tieba)")
end

if WikiDic.useRepModFolder then
	WikiDic.resPrefix = "mods/IsaacWikiDictionary/resources/wd_res/"
end

WikiDic.desc = {
-- FAKE_DESC_CONTENT --
}

WikiDic.trinketDesc = {
-- FAKE_TRINKET_CONTENT --
}

WikiDic.cardDesc = {
-- FAKE_CARD_CONTENT --
}
WikiDic.pillDesc = {
-- FAKE_PILL_CONTENT --
}

function WikiDic:SpriteIsQuestionmark(entitySprite, questionSprite)
	local name = nil
	if entitySprite:IsPlaying("Idle") then
		name = "Idle"
	elseif entitySprite:IsFinished("ShopIdle") then
		name = "ShopIdle"
	else
		return false
	end

	questionSprite:SetFrame(name,entitySprite:GetFrame())
	-- check some point, if returns false, it is not same with question mark
	for i = -70,0,2 do
		local qcolor = questionSprite:GetTexel(Vector(0,i),WikiDic.nullVector,1,1)
		local ecolor = entitySprite:GetTexel(Vector(0,i),WikiDic.nullVector,1,1)
		if qcolor.Red ~= ecolor.Red or qcolor.Green ~= ecolor.Green or qcolor.Blue ~= ecolor.Blue then
			return false
		end
	end

	--this may be a question mark, however, we will check it again to ensure it
	for j = -3,3,2 do
		for i = -71,0,2 do
			local qcolor = questionSprite:GetTexel(Vector(j,i),WikiDic.nullVector,1,1)
			local ecolor = entitySprite:GetTexel(Vector(j,i),WikiDic.nullVector,1,1)
			if qcolor.Red ~= ecolor.Red or qcolor.Green ~= ecolor.Green or qcolor.Blue ~= ecolor.Blue then
				return false
			end
		end
	end


	return true
end

if WikiDic.seeQuestionMark then
	WikiDic.SpriteIsQuestionmark = function()
		return false
	end
end

function WikiDic:IsQuestionMarkTexture(entity)
	-- use data buffer
	local data = entity:GetData()
	local mark = data["WikiDicQuestionMarkStatus"]
	if mark ~= nil then
		return mark
	end

	local questionSprite = WikiDic.questionMarkSprite
	local entitySprite = entity:GetSprite()

	if not questionSprite then
		-- we dont show anything before the font init
		return true
	end

	mark = WikiDic:SpriteIsQuestionmark(entitySprite,questionSprite)
	data["WikiDicQuestionMarkStatus"] = mark
	return mark
end

function WikiDic:Update()
	WikiDic.targetEntity = nil
	WikiDic.playerHasSpindownDice = false
	WikiDic.playerHasSchoolBagAfterbirth = false
	-- if (Game():GetLevel():GetCurses() & LevelCurse.CURSE_OF_BLIND) ~= 0 then
	-- 	return
	-- end

	local tpos

	if WikiDic.usePlayerPos then
		tpos = Isaac.GetPlayer(0).Position
	else
		tpos = Input.GetMousePosition(true)
		if WikiDic.IsMirrorRoom() then
			local mouse_pos_world = tpos
			local mouse_pos_render = Isaac.WorldToScreen(mouse_pos_world)
			local middle_render = Isaac.WorldToRenderPosition(Vector(320,240))
			local mouse_mirror_world = mouse_pos_world - 2 * Isaac.ScreenToWorldDistance(mouse_pos_render - middle_render)
			mouse_mirror_world.Y = mouse_pos_world.Y
			tpos = mouse_mirror_world	
		end
	end

	for _,e in pairs(Isaac.GetRoomEntities()) do
		if e.Type == 5 and (e.Variant == 100 or e.Variant == 350) then
			if e.Variant == 100 and (e.SubType == 0 or (Game():GetLevel():GetCurses() & LevelCurse.CURSE_OF_BLIND) ~= 0) then
				-- do nothing in CURSE_OF_BLIND
			else
				local distVec = (e.Position + WikiDic.offsetCenter - tpos)
				distVec.Y = distVec.Y * WikiDic.distYMulti
				if distVec:Length() < WikiDic.tDistance then
					if WikiDic.targetEntity == nil or (
							(e.Position + WikiDic.offsetCenter - tpos):Length() <
							(WikiDic.targetEntity.Position + WikiDic.offsetCenter - tpos):Length()
						)
						then
						WikiDic.targetEntity = e
					end
				end
			end
		elseif e.Type == 1 then
			-- e is player
			local eplayer = e:ToPlayer()
			if eplayer then
				if WikiDic.showSpindownDice and not WikiDic.playerHasSpindownDice then
					WikiDic.playerHasSpindownDice = eplayer:HasCollectible(WikiDic.spindownDiceId)
				end
				if WikiDic.schoolBagId and not WikiDic.playerHasSchoolBagAfterbirth then
					WikiDic.playerHasSchoolBagAfterbirth = eplayer:HasCollectible(WikiDic.schoolBagId)
				end
			end
		end

	end
	if WikiDic.targetEntity and WikiDic.targetEntity.Type == 5 and WikiDic.targetEntity.Variant == 100 and WikiDic:IsQuestionMarkTexture(WikiDic.targetEntity) then
		-- "Glitched Crown" costs too much cpu if we judge the question mark in the previous loop
		WikiDic.targetEntity = nil
	end
end

local isMirrorRoom = false
function WikiDic:OnNewRoom()
	-- 游戏又没有留接口
	local level = Game():GetLevel()
	local room_desc = level:GetCurrentRoomDesc()
	if room_desc.GridIndex >= 0 then
		isMirrorRoom = room_desc.ListIndex == level:GetRoomByIdx(room_desc.GridIndex,1).ListIndex
	end
	-- GridIndex小于0的地方是恶魔房、错误房、BossRush等房间，这些房间我们放弃判断，用前一个房间的判断结果（尽管读档后会在这个房间出现一次问题）
end
WikiDic:AddCallback(ModCallbacks.MC_POST_NEW_ROOM,WikiDic.OnNewRoom)
function WikiDic:IsMirrorRoom()
	return isMirrorRoom
end

function WikiDic:FixReturn(descs)
	local byte_0 = string.byte("0")
	local byte_9 = string.byte("9")
	local byte_a = string.byte("a")
	local byte_z = string.byte("z")
	local byte_A = string.byte("A")
	local byte_Z = string.byte("Z")
	local byte_period = string.byte(".")
	local byte_comma = string.byte(",")
	local byte_space = string.byte(" ")
	local is_word = function(b)
		return (byte_0 <= b and b <= byte_9) or (byte_A <= b and b <= byte_Z) or (byte_a <= b and b <= byte_z) or b == byte_comma or b == byte_period
	end
	for i,desc in pairs(descs) do
		local last = 1
		local new_desc = ""
		--add returns to description
		repeat
			local next = string.find(desc,"\n",last+1)
			local current_line = string.sub(desc,last,next)
			if next == nil then
				current_line = current_line .. "\n"
			end
			while WikiDic.font:GetStringWidth(current_line) > WikiDic.lineWrap do
				local break_pos = #current_line
				while WikiDic.font:GetStringWidth(string.sub(current_line,1,break_pos)) > WikiDic.lineWrap
				do

					break_pos = break_pos - 1
				end
				-- utf-8 encode border
				while break_pos > 1 and (string.byte(current_line,break_pos + 1) & 0xC0) == 0x80
				do
					break_pos = break_pos - 1
				end
				-- don't break at word or number end
				if is_word(string.byte(current_line,break_pos)) then
					while break_pos < #current_line and is_word(string.byte(current_line,break_pos + 1)) do
						break_pos = break_pos + 1
					end
				end
				--remove start space
				local new_line_begin = 1
				while new_line_begin < break_pos and string.byte(current_line,new_line_begin) == byte_space do
					new_line_begin = new_line_begin + 1
				end
				new_desc = new_desc .. string.sub(current_line,new_line_begin,break_pos) .. "\n"
				current_line = string.sub(current_line,break_pos + 1)
			end
			--remove start space
			local new_line_begin = 1
			while new_line_begin < #current_line and string.byte(current_line,new_line_begin) == byte_space do
				new_line_begin = new_line_begin + 1
			end

			new_desc = new_desc .. string.sub(current_line, new_line_begin)
			last = next
		until last == nil
		descs[i] = new_desc
	end

end

function WikiDic:InitFonts()
	if WikiDic.font == nil then

		-- get game version as EID
		if not REPENTANCE then
			-- game version is Afterbirth+
			-- turn off
			WikiDic.showSpindownDice = false
			-- Afterbirth+ don't have question mark textures
			WikiDic.IsQuestionMarkTexture = function() return false end
			-- Remove rep items
			for i in pairs(WikiDic.desc) do
				if i >= CollectibleType.NUM_COLLECTIBLES then
					WikiDic.desc[i] = nil
				end
			end
			for i in pairs(WikiDic.trinketDesc) do
				if i >= TrinketType.NUM_TRINKETS then
					WikiDic.trinketDesc[i] = nil
				end
			end
			for i in pairs(WikiDic.cardDesc) do
				if i >= Card.NUM_CARDS then
					WikiDic.cardDesc[i] = nil
				end
			end
			for i in pairs(WikiDic.pillDesc) do
				if i >= PillEffect.NUM_PILL_EFFECTS then
					WikiDic.pillDesc[i] = nil
				end
			end
			WikiDic.schoolBagId = CollectibleType.COLLECTIBLE_SCHOOLBAG
		end

		WikiDic.font = Font()
		WikiDic.font:Load(WikiDic.useDefaultFont and "font/terminus.fnt" or WikiDic.resPrefix .. "font/wdic_font.fnt")
		WikiDic:FixReturn(WikiDic.desc)
		WikiDic:FixReturn(WikiDic.trinketDesc)
		WikiDic:FixReturn(WikiDic.cardDesc)
		WikiDic:FixReturn(WikiDic.pillDesc)
		if WikiDic.renderQrcode then
			WikiDic.qrcodeSprite = Sprite()
			WikiDic.qrcodeSprite:Load(WikiDic.resPrefix .. "qrcode/qrcode.anm2",true)
			WikiDic.qrcodeSprite:SetFrame("show",1)
			WikiDic.qrcodeSprite.Color = Color(1,1,1,WikiDic.qrTransparent,0,0,0)
			WikiDic.qrCodeIsTransparent = true
		end

		WikiDic.ItemConfig = Isaac.GetItemConfig()
		if WikiDic.showSpindownDice then
			WikiDic.spindownDiceItemSprites = {Sprite(), Sprite(), Sprite(), Sprite(), Sprite()}
			for _, s in pairs(WikiDic.spindownDiceItemSprites) do
				s:Load(WikiDic.resPrefix .. "itempreview.anm2",true)
				s:SetFrame("show",1)
				s.Color = Color(1,1,1,WikiDic.textTransparent,0,0,0)
				s.Scale = Vector(WikiDic.spindownDiceScale, WikiDic.spindownDiceScale)
			end

			-- draw spindown dice icon at 0
			WikiDic.spindownDiceItemSprites[0] = Sprite()
			WikiDic.spindownDiceItemSprites[0]:Load(WikiDic.resPrefix .. "itempreview.anm2",true)
			WikiDic.spindownDiceItemSprites[0]:SetFrame("show",1)
			WikiDic.spindownDiceItemSprites[0].Color = Color(1,1,1,WikiDic.textTransparent,0,0,0)
			WikiDic.spindownDiceItemSprites[0].Scale = Vector(WikiDic.spindownDiceScale, WikiDic.spindownDiceScale)
			WikiDic.spindownDiceItemSprites[0]:ReplaceSpritesheet(0,WikiDic.ItemConfig:GetCollectible(WikiDic.spindownDiceId).GfxFileName)
			WikiDic.spindownDiceItemSprites[0]:LoadGraphics()

			for i = 1,3000 do
				local cfg = WikiDic.ItemConfig:GetCollectible(i)
				if (not cfg) or cfg.Hidden then
					WikiDic.spindownDiceSkip[i] = true
				end
			end
		end

		WikiDic.questionMarkSprite = Sprite()
		WikiDic.questionMarkSprite:Load("gfx/005.100_collectible.anm2",true)
		WikiDic.questionMarkSprite:ReplaceSpritesheet(1,"gfx/items/collectibles/questionmark.png")
		WikiDic.questionMarkSprite:LoadGraphics()

		WikiDic.ccIconSprite = Sprite()
		WikiDic.ccIconSprite:Load(WikiDic.resPrefix .. "cc_icon.anm2", true)
		WikiDic.ccIconSprite:SetFrame("show",1)
		WikiDic.ccIconSprite.Scale = Vector(0.5, 0.5)
		WikiDic.ccIconLineOffset = 80 * 0.5
		WikiDic.ccIconVertOffset = 15 * 0.5
	end
end

function WikiDic:RandStr(eid)
	local rng = RNG()
	rng:SetSeed((eid + Game():GetSeeds():GetStartSeed()) % 0x100000000,4)
	local str = ""
	local strlen = rng:RandomInt(30) + 20
	local lineStart = 0
	local firstLineLen = rng:RandomInt(4) + 3

	local line_length = 0

	while strlen > 0 do
		strlen = strlen - 1
		local word = rng:RandomInt(0x9FA5 - 0x4E00 + 1) + 0x4E00
		str = str .. string.char(0xE0 + (word >> 12), 0x80 + ((word >> 6) & 0x3F),0x80 + (word & 0x3F))
		if firstLineLen == 0 or (WikiDic.font:GetStringWidth(string.sub(str,lineStart)) > WikiDic.lineWrap or (#str - lineStart > 20 and rng:RandomInt(8) == 1)) then
			str = str .. '\n'
			lineStart = #str
		end
		firstLineLen = firstLineLen - 1
	end
	return str
end

function WikiDic:RenderCallback()
	WikiDic:InitFonts()

	local map_btn_pressed = Input.IsActionPressed(ButtonAction.ACTION_MAP,Isaac.GetPlayer(0).ControllerIndex)

	local is_Jacob_and_Esau = Isaac.GetPlayer(0).SubType == 19 and Isaac.GetPlayer(1).SubType == 20
	local player_index = is_Jacob_and_Esau and Input.IsActionPressed(ButtonAction.ACTION_DROP,Isaac.GetPlayer(0).ControllerIndex) and 1 or 0
	local playse_has_spindown_dice = Isaac.GetPlayer(0):HasCollectible(WikiDic.spindownDiceId) or (is_Jacob_and_Esau and Isaac.GetPlayer(1):HasCollectible(WikiDic.spindownDiceId))

	local itemPool = Game():GetItemPool()
	local pill_color = Isaac.GetPlayer(player_index):GetPill(0)
	local card_hold = WikiDic.useHuijiWiki and map_btn_pressed and Isaac.GetPlayer(player_index):GetCard(0) or 0
	local pill_hold = WikiDic.useHuijiWiki and map_btn_pressed and itemPool:IsPillIdentified(pill_color) and itemPool:GetPillEffect(pill_color, Isaac.GetPlayer(player_index)) or -1
	if pill_hold == 31 then
		-- ??? pill
		pill_hold = -1
	end
	-- draw auth infos here
	if WikiDic.authRemains > 0 then
		if WikiDic.targetEntity ~= nil or map_btn_pressed then
			WikiDic.authRemains = 0
		end

		WikiDic.authRemains = WikiDic.authRemains - 1
		local screen_center = Isaac.WorldToRenderPosition(Vector(320,240))

		local y_pos = WikiDic.renderPos.Y -- screen_center.Y - #WikiDic.authTexts * WikiDic.font:GetLineHeight() / 2
		local alpha = 0.6 --math.cos(WikiDic.authRemains * 0.1) * 0.1 + 0.5
		if WikiDic.authRemains < 120 then
			alpha = alpha * WikiDic.authRemains / 120
		end

		for _,text in pairs(WikiDic.authTexts) do
			WikiDic.font:DrawStringScaledUTF8(text,WikiDic.renderPos.X,y_pos,0.5,0.5,KColor(1,1,1,alpha,0,0,0),0,true)
			y_pos = y_pos + WikiDic.font:GetLineHeight() * 0.5 + 1
		end

		y_pos = y_pos + WikiDic.ccIconVertOffset

		-- draw cc icon
		WikiDic.ccIconSprite.Color = Color(1,1,1,alpha,0,0,0)
		WikiDic.ccIconSprite:Render(Vector(WikiDic.renderPos.X,y_pos),WikiDic.nullVector,WikiDic.nullVector)
		WikiDic.font:DrawStringScaledUTF8(WikiDic.ccText, WikiDic.renderPos.X, y_pos + WikiDic.ccIconVertOffset, 0.5, 0.5, KColor(1,1,1,alpha,0,0,0),0,true)

		return
	end

	local contains_qrcode = false
	local contains_spindown_dice = false

	--toggle tab rander
	local map_btn_triggered = Input.IsActionTriggered(ButtonAction.ACTION_MAP,Isaac.GetPlayer(0).ControllerIndex)
	if WikiDic.tabRenderToggleCounter > 0 then
		WikiDic.tabRenderToggleCounter = WikiDic.tabRenderToggleCounter - 1
		if map_btn_triggered then
			WikiDic.tabRenderToggleCounter = 0
			WikiDic.tabRenderToggle = not WikiDic.tabRenderToggle
		end
	elseif map_btn_triggered then
		WikiDic.tabRenderToggleCounter = WikiDic.tabRenderToggleCounterInit
	end


	if WikiDic.drawMouse then
		if WikiDic.cursur_sprite == nil then
			WikiDic.cursur_sprite = Sprite()
			WikiDic.cursur_sprite:Load("gfx/ui/cursor.anm2",true)
		end
		WikiDic.cursur_sprite:Play(WikiDic.targetEntity and "Clicked" or "Idle",true)
		local mousePos = Isaac.WorldToScreen(Input.GetMousePosition(true))
		WikiDic.cursur_sprite:Render(mousePos,WikiDic.nullVector,WikiDic.nullVector)
	end

	if WikiDic.targetEntity ~= nil or card_hold ~= 0 or pill_hold ~= -1 then
		local desc = nil
		local last = 0
		local next_line = WikiDic.renderPos --Vector(rpos.X,rpos.Y)
		if WikiDic.playerHasSchoolBagAfterbirth then
			next_line = next_line + WikiDic.schoolBagOffset
		end
		-- taint isaac is 21
		if Isaac.GetPlayer(0).SubType == 21 then
			next_line = next_line + WikiDic.taintIsaacOffset
		end
		-- taint ??? is 25
		if Isaac.GetPlayer(0).SubType == 25 then
			next_line = next_line + WikiDic.taintQQQOffset
		end
		if card_hold ~= 0 then
			desc = WikiDic.cardDesc[card_hold] or (tostring(card_hold) .. "号卡牌没有收录") 
		elseif pill_hold ~= -1 then
			desc = WikiDic.pillDesc[pill_hold] or (tostring(pill_hold) .. "药丸效果没有收录")
			if pill_color > 2048 then
				desc = desc .. "\n(效果增强)"
			end
		elseif WikiDic.targetEntity ~= nil then
			if WikiDic.targetEntity.Variant == 100 then
				--setup desc
				local entity_id = WikiDic.targetEntity.SubType
				if (entity_id & 0x80000000) ~= 0 then
					-- TMTRAINER
					-- this is a very simple random string buffer
					if WikiDic.lastRandTarget ~= entity_id or WikiDic.randText == nil then
						WikiDic.randText = WikiDic:RandStr(entity_id)
						WikiDic.lastRandTarget = entity_id
					end
					desc = WikiDic.randText
				else
					desc = WikiDic.desc[entity_id] or (tostring(entity_id) .. "号道具\n\n没有收录")
				end
				--draw icon
				local icon_offset = (not WikiDic.targetEntity:ToPickup():IsShopItem()) and WikiDic.iconNoShopItemOffset or WikiDic.iconOffset
				local sprite = WikiDic.targetEntity:GetSprite()
				-- I have to create a new vector, instead of use the old one.
				local oldScale = Vector(sprite.Scale.X,sprite.Scale.Y)
				local oldFlip = sprite.FlipX
				sprite.Scale = WikiDic.iconScale
				sprite.FlipX = WikiDic.IsMirrorRoom()
				sprite:RenderLayer(1,next_line + icon_offset,WikiDic.nullVector,WikiDic.nullVector)
				sprite.Scale = oldScale
				sprite.FlipX = oldFlip

				--update spindown dice item info
				if WikiDic.playerHasSpindownDice then
					contains_spindown_dice = true
					if WikiDic.currentSpindownDiceItemID ~= entity_id then
						WikiDic.currentSpindownDiceItemID = entity_id
						if WikiDic.desc[entity_id] then
							local cur_entity = entity_id
							local cur_sprites_i = 1
							repeat
								if not WikiDic.spindownDiceSkip[cur_entity] then
									WikiDic.spindownDiceItemSprites[cur_sprites_i]:ReplaceSpritesheet(0,WikiDic.ItemConfig:GetCollectible(cur_entity).GfxFileName)
									WikiDic.spindownDiceItemSprites[cur_sprites_i]:LoadGraphics()
									cur_sprites_i = cur_sprites_i + 1
								end
								cur_entity = cur_entity - 1
							until cur_entity == 0 or cur_sprites_i > #WikiDic.spindownDiceItemSprites
							-- WikiDic.spindownDiceItemSprites[cur_sprites_i] is not write
							WikiDic.currentSpindownDiceItemDisplayCount = cur_sprites_i - 1

						else
							-- we dont show anything if it is a unknown item 
							WikiDic.currentSpindownDiceItemDisplayCount = 0
						end
					end
				end


				--replace qrcode sprite
				if WikiDic.tabRenderToggle and WikiDic.renderQrcode then
					contains_qrcode = true
					local target_graph = WikiDic.resPrefix .. "qrcode/item_" .. tostring(entity_id) .. ".png"
					if WikiDic.qrcodeGraph ~= target_graph then
						WikiDic.qrcodeSprite:ReplaceSpritesheet(0,target_graph)
						WikiDic.qrcodeSprite:LoadGraphics()
						WikiDic.qrcodeGraph = target_graph
					end
 				end
			end
			if WikiDic.targetEntity.Variant == 350 then
				local trinket_id = WikiDic.targetEntity.SubType
				local is_gold = false
				if trinket_id > 32768 then
					is_gold = true
					trinket_id = trinket_id - 32768
				end
				--setup desc
				desc = WikiDic.trinketDesc[trinket_id] or (tostring(trinket_id) .. "号饰品\n\n没有收录")
				if is_gold then
					if WikiDic.useHuijiWiki then
						desc = "(金色的)" .. desc 
					else
						desc = "(Golden) " .. desc
					end
				end
				--draw icon
				local icon_offset = WikiDic.trinketIconOffset
				local sprite = WikiDic.targetEntity:GetSprite()
				local oldScale = Vector(sprite.Scale.X,sprite.Scale.Y)
				local oldFlip = sprite.FlipX
				sprite.Scale = WikiDic.iconScale
				sprite.FlipX = WikiDic.IsMirrorRoom()
				sprite:RenderLayer(0,next_line + icon_offset,WikiDic.nullVector,WikiDic.nullVector)
				sprite.Scale = oldScale
				sprite.FlipX = oldFlip


				--replace qrcode sprite
				if WikiDic.tabRenderToggle and WikiDic.renderQrcode then
					contains_qrcode = true
					local target_graph = WikiDic.resPrefix .. "qrcode/trinket_" .. tostring(trinket_id) .. ".png"
					if WikiDic.qrcodeGraph ~= target_graph then
						WikiDic.qrcodeSprite:ReplaceSpritesheet(0,target_graph)
						WikiDic.qrcodeSprite:LoadGraphics()
						WikiDic.qrcodeGraph = target_graph
					end
				end
			end
		end

		--draw text
		repeat
			local next = string.find(desc,"\n",last+1)
			WikiDic.font:DrawStringScaledUTF8(string.sub(desc,last+1,(string.sub(desc,next or #desc,next) == '\n') and (next or #desc) - 1 or next),next_line.X,next_line.Y,WikiDic.fontScale,WikiDic.fontScale,KColor(1,1,1,WikiDic.textTransparent,0,0,0),0,true)
			next_line = next_line + Vector(0,WikiDic.font:GetLineHeight()*WikiDic.fontScale + WikiDic.lineDistance)
			last = next
		until last == nil

		-- draw spindown dice
		if contains_spindown_dice then
			local spindown_dice_line = next_line + WikiDic.spindownLineStartOffset
			for i = 0,WikiDic.currentSpindownDiceItemDisplayCount do
				WikiDic.spindownDiceItemSprites[i]:RenderLayer(0,spindown_dice_line,WikiDic.nullVector,WikiDic.nullVector)
				if i == 0 then
					spindown_dice_line = spindown_dice_line + WikiDic.spindownFirstHoriOffset
				else
					spindown_dice_line = spindown_dice_line + WikiDic.spindownDiceHoriOffset
				end
			end
			next_line = next_line + WikiDic.spindownDiceVertOffset
		end

		--draw qrcode
		if contains_qrcode then
			-- toggle transparent
			if WikiDic.tabRenderToggleCounter == 0 and map_btn_pressed == WikiDic.qrCodeIsTransparent then
				if map_btn_pressed then
					WikiDic.qrcodeSprite.Color = Color(1,1,1,1,0,0,0)
					WikiDic.qrCodeIsTransparent = false
				else
					WikiDic.qrcodeSprite.Color = Color(1,1,1,WikiDic.qrTransparent,0,0,0)
					WikiDic.qrCodeIsTransparent = true
				end
			end

			WikiDic.qrcodeSprite:RenderLayer(0,next_line + WikiDic.qrCodeOffset,WikiDic.nullVector,WikiDic.nullVector)
		end
		-- WikiDic.font:DrawStringUTF8 (desc,rpos.X,rpos.Y,KColor(1,1,1,1,0,0,0),0,true)
	end
end

WikiDic:AddCallback(ModCallbacks.MC_POST_PLAYER_UPDATE,WikiDic.Update)
WikiDic:AddCallback(ModCallbacks.MC_POST_RENDER,WikiDic.RenderCallback)