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Modders: Your new friend at Klei!

Ipsquiggle
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sketchtheminer

sketchtheminer

Posted
Posted

Greetings

I am a newcomer to the site and modding itself and am having a problem with making a character mod for the game. I have no trouble getting the mod up onto steam. However, I have tested it myself and found that every time I select it and hit apply the game crashes. I have compared it with some other mods to see if I did something wrong with the layout of the resources and tested it a couple of times, however they always result in the same effect. I assume it may be something with the mod info or some kind of system piece, however i am not very code savvy so I would not notice anything if I examined myself, however I will check it later after I post this. I am going off topic however. I ask if you could possibly suggest any ideas that may be the source of the problems. I would be most thankful for any advice. thank you.

Soulis

Soulis

Posted
Posted

I am having the problem of the workshop logo comes up but then nothing else and I can see the mods in the background but I cannot access them because of the workshop logo. I tried this Fix 1 video(youtube video) but I do not think it work on Giants. Can you help?

 

And this is the file I am suppose to mod, can you help me pwease:

 

local Screen = require "widgets/screen"
local AnimButton = require "widgets/animbutton"
local Spinner = require "widgets/spinner"
local ImageButton = require "widgets/imagebutton"
local TextButton = require "widgets/textbutton"
local Text = require "widgets/text"
local Image = require "widgets/image"
local NumericSpinner = require "widgets/numericspinner"
local Widget = require "widgets/widget"
local UIAnim = require "widgets/uianim"
local Menu = require "widgets/menu"
local PopupDialogScreen = require "screens/popupdialog"


local text_font = DEFAULTFONT--NUMBERFONT

local display_rows = 5

local DISABLE = 0
local ENABLE = 1
    
local mid_col = RESOLUTION_X*.07
local left_col = -RESOLUTION_X*.3
local right_col = RESOLUTION_X*.37

local ModsScreen = Class(Screen, function(self, cb)
    Widget._ctor(self, "ModsScreen")
    self.cb = cb

    -- save current mod index before user configuration
    KnownModIndex:CacheSaveData()
    -- get the latest mod info
    KnownModIndex:UpdateModInfo()

    self.modnames = KnownModIndex:GetModNames()
    local function alphasort(moda, modb)
        if not moda then return false end
        if not modb then return true end
        return string.lower(KnownModIndex:GetModFancyName(moda)) < string.lower(KnownModIndex:GetModFancyName(modb))
    end
    table.sort(self.modnames, alphasort)

    self.infoprefabs = {}

    self.bg = self:AddChild(Image("images/ui.xml", "bg_plain.tex"))
    self.bg:SetTint(BGCOLOURS.RED[1],BGCOLOURS.RED[2],BGCOLOURS.RED[3], 1)

    self.bg:SetVRegPoint(ANCHOR_MIDDLE)
    self.bg:SetHRegPoint(ANCHOR_MIDDLE)
    self.bg:SetVAnchor(ANCHOR_MIDDLE)
    self.bg:SetHAnchor(ANCHOR_MIDDLE)
    self.bg:SetScaleMode(SCALEMODE_FILLSCREEN)
    
    self.root = self:AddChild(Widget("root"))
    self.root:SetVAnchor(ANCHOR_MIDDLE)
    self.root:SetHAnchor(ANCHOR_MIDDLE)
    self.root:SetScaleMode(SCALEMODE_PROPORTIONAL)

    -- self.cancelbutton = self.root:AddChild(ImageButton())
    -- self.cancelbutton:SetText(STRINGS.UI.MODSSCREEN.CANCEL)
    -- self.cancelbutton:SetPosition(Vector3(80,-220,0))
    -- self.cancelbutton:SetOnClick(function() self:Cancel() end)

    -- self.applybutton = self.root:AddChild(ImageButton())
    -- self.applybutton:SetText(STRINGS.UI.MODSSCREEN.APPLY)
    -- self.applybutton:SetPosition(Vector3(-80, -220, 0))
    -- self.applybutton:SetOnClick(function() self:Apply() end)
    
    -- mod details panel
    self:CreateDetailPanel()
    
    self.mainmenu = self.root:AddChild(Menu(nil, 0, true))
    self.mainmenu:SetPosition(mid_col, 0, 0)
    self.applybutton = self.mainmenu:AddItem(STRINGS.UI.MODSSCREEN.APPLY, function() self:Apply() end, Vector3(-90, -220, 0))
    self.cancelbutton = self.mainmenu:AddItem(STRINGS.UI.MODSSCREEN.CANCEL, function() self:Cancel() end, Vector3(90,-220,0))
    

    self.option_offset = 0
    self.optionspanel = self.root:AddChild(Menu(nil, -98, false))
    self.optionspanel:SetPosition(left_col,0,0)
    self.optionspanelbg = self.optionspanel:AddChild(Image("images/fepanels.xml", "panel_mod1.tex"))
    
    self:CreateTopModsPanel()

    

    --------Build controller support
    self.optionspanel:SetFocusChangeDir(MOVE_RIGHT, self.mainmenu)

    self.applybutton:SetFocusChangeDir(MOVE_LEFT, self.optionspanel)
    self.applybutton:SetFocusChangeDir(MOVE_RIGHT, self.cancelbutton)

    self.cancelbutton:SetFocusChangeDir(MOVE_LEFT, self.applybutton)
    self.cancelbutton:SetFocusChangeDir(MOVE_RIGHT, self.morebutton)

    self.morebutton:SetFocusChangeDir(MOVE_LEFT, self.cancelbutton)
    self.morebutton:SetFocusChangeDir(MOVE_UP, self.featuredbutton)
    self.morebutton:SetFocusChangeDir(MOVE_DOWN, self.modlinks[1])

    self.featuredbutton:SetFocusChangeDir(MOVE_DOWN, self.morebutton)
    self.featuredbutton:SetFocusChangeDir(MOVE_UP, self.modlinks[5])
    self.featuredbutton:SetFocusChangeDir(MOVE_LEFT, self.cancelbutton)

    for i = 1, 5 do
        if self.modlinks[i+1] ~= nil then
            self.modlinks:SetFocusChangeDir(MOVE_DOWN, self.modlinks[i+1])
        else
            self.modlinks:SetFocusChangeDir(MOVE_DOWN, self.featuredbutton)
        end

        if self.modlinks[i-1] ~= nil then
            self.modlinks:SetFocusChangeDir(MOVE_UP, self.modlinks[i-1])
        else
            self.modlinks:SetFocusChangeDir(MOVE_UP, self.morebutton)
        end

        self.modlinks:SetFocusChangeDir(MOVE_LEFT, self.cancelbutton)
    end
    -----------

    self.leftbutton = self.optionspanel:AddChild(ImageButton("images/ui.xml", "scroll_arrow.tex", "scroll_arrow_over.tex", "scroll_arrow_disabled.tex"))
    self.leftbutton:SetPosition(0, 290, 0)
    --self.leftbutton:SetScale(-1,1,1)
    self.leftbutton:SetRotation(-90)
    self.leftbutton:SetOnClick( function() self:Scroll(-display_rows) end)
    
    self.rightbutton = self.optionspanel:AddChild(ImageButton("images/ui.xml", "scroll_arrow.tex", "scroll_arrow_over.tex", "scroll_arrow_disabled.tex"))
    self.rightbutton:SetPosition(0, -300, 0)
    self.rightbutton:SetRotation(90)
    self.rightbutton:SetOnClick( function() self:Scroll(display_rows) end)    

    ---- Workshop blinker

    --self.workshopupdatenote = self.optionspanel:AddChild(Text(TITLEFONT, 40))
    --self.workshopupdatenote:SetHAlign(ANCHOR_MIDDLE)
    --self.workshopupdatenote:SetPosition(0, 0, 0)
    --self.workshopupdatenote:SetString("Updating Steam Workshop Info...")
    --self.workshopupdatenote:Hide()

    self.optionwidgets = {}

    self:WorkshopUpdateComplete()

    self.default_focus = self.cancelbutton

    self.cancelbutton:MoveToFront()
    self.applybutton:MoveToFront()
end)

function ModsScreen:GenerateRandomPicks(num, numrange)
    local picks = {}

    while #picks < num do
        local num = math.random(1, numrange)
        if not table.contains(picks, num) then
            table.insert(picks, num)
        end
    end
    return picks
end

function ModsScreen:OnStatsQueried( result, isSuccessful, resultCode )    
    if not result or not isSuccessful or string.len(result) <= 1 then return end

    local status, jsonresult = pcall( function() return json.decode(result) end )

    if not jsonresult or not status then return end

    local randomPicks = self:GenerateRandomPicks(#self.modlinks, 20)

    for i = 1, #self.modlinks do
        local title = jsonresult["modnames"][randomPicks]
        if title then
            local url = jsonresult["modlinks"][title]
            title = string.gsub(title, "(ws%-)", "")
            if string.len(title) > 25 then
                title = string.sub(title, 0, 25).."..."
            end
            self.modlinks:SetText(title)
            if url then
                self.modlinks:SetOnClick(function() VisitURL(url) end)
            end
        end
    end

    local title, url = next(jsonresult["modfeature"])
    if title and url then
        title = string.gsub(title, "(ws%-)", "")
        self.featuredbutton:SetText(title)
        self.featuredbutton:SetOnClick(function() VisitURL(url) end)
    end
end

function ModsScreen:CreateTopModsPanel()

    --Top Mods Stuff--
    self.topmods = self.root:AddChild(Widget("topmods"))
    self.topmods:SetPosition(right_col,0,0)

    self.topmodsbg = self.topmods:AddChild( Image( "images/fepanels.xml", "panel_topmods.tex" ) )
    self.topmodsbg:SetScale(1,1,1)

    self.morebutton = self.topmods:AddChild(ImageButton())
    self.morebutton:SetText(STRINGS.UI.MODSSCREEN.MOREMODS)
    self.morebutton:SetPosition(Vector3(0,-220,0))
    self.morebutton:SetOnClick(function() self:MoreMods() end)

    self.title = self.topmods:AddChild(Text(TITLEFONT, 40))
    self.title:SetPosition(Vector3(0,225,0))
    self.title:SetString(STRINGS.UI.MODSSCREEN.TOPMODS)

    self.modlinks = {}
    
    local yoffset = 170
    for i = 1, 5 do
        local modlink = self.topmods:AddChild(TextButton("images/ui.xml", "blank.tex","blank.tex","blank.tex","blank.tex"))
        modlink:SetPosition(Vector3(0,yoffset,0))
        modlink:SetText(STRINGS.UI.MODSSCREEN.LOADING.."...")
        modlink:SetFont(BUTTONFONT)
        modlink:SetTextColour(0.9,0.8,0.6,1)
        modlink:SetTextFocusColour(1,1,1,1)
        table.insert(self.modlinks, modlink)
        yoffset = yoffset - 45
    end
    
    self.featuredtitle = self.topmods:AddChild(Text(TITLEFONT, 40))
    self.featuredtitle:SetPosition(Vector3(0,-70,0))
    self.featuredtitle:SetString(STRINGS.UI.MODSSCREEN.FEATUREDMOD)
    
    self.featuredbutton = self.topmods:AddChild(TextButton("images/ui.xml", "blank.tex","blank.tex","blank.tex","blank.tex"))
    self.featuredbutton:SetPosition(Vector3(0,-130,0))
    self.featuredbutton:SetText(STRINGS.UI.MODSSCREEN.LOADING.."...")
    self.featuredbutton:SetFont(BUTTONFONT)
    self.featuredbutton:SetTextColour(0.9,0.8,0.6,1)
    self.featuredbutton:SetTextFocusColour(1,1,1,1)

    local linkpref = (PLATFORM == "WIN32_STEAM" and "external") or "klei"
    --Talk to server here
    TheSim:QueryStats( '{ "req":"modrank", "field":"Session.Loads.Mods.list", "fieldop":"unwind", "linkpref":"'..linkpref..'", "limit": 20}',
        function(result, isSuccessful, resultCode) self:OnStatsQueried(result, isSuccessful, resultCode) end)

end

function ModsScreen:CreateDetailPanel()
    if self.detailpanel then
        self.detailpanel:Kill()
    end

    self.detailpanel = self.root:AddChild(Widget("detailpanel"))
    self.detailpanel:SetPosition(mid_col,90,0)
    self.detailpanelbg = self.detailpanel:AddChild(Image("images/fepanels.xml", "panel_mod2.tex"))
    self.detailpanelbg:SetScale(1,1,1)

    if #self.modnames > 0 then
        self.detailimage = self.detailpanel:AddChild(Image("images/ui.xml", "portrait_bg.tex"))
        self.detailimage:SetSize(102, 102)
        --self.detailimage:SetScale(0.8,0.8,0.8)
        self.detailimage:SetPosition(-130,117,0)

        self.detailtitle = self.detailpanel:AddChild(Text(TITLEFONT, 40))
        self.detailtitle:SetHAlign(ANCHOR_LEFT)
        self.detailtitle:SetPosition(70, 140, 0)
        self.detailtitle:SetRegionSize( 270, 70 )

        --self.detailversion = self.detailpanel:addchild(text(titlefont, 20))
        --self.detailversion:setvalign(anchor_top)
        --self.detailversion:sethalign(anchor_left)
        --self.detailversion:setposition(200, 100, 0)
        --self.detailversion:setregionsize( 180, 70 )

        self.detailauthor = self.detailpanel:AddChild(Text(TITLEFONT, 30))
        self.detailauthor:SetColour(1.0,1.0,1.0,1)
        --self.detailauthor:SetColour(0.9,0.8,0.6,1) -- link colour
        self.detailauthor:SetHAlign(ANCHOR_LEFT)
        self.detailauthor:SetPosition(70, 95, 0)
        self.detailauthor:SetRegionSize( 270, 70 )
        self.detailauthor:EnableWordWrap(true)

        self.detaildesc = self.detailpanel:AddChild(Text(BODYTEXTFONT, 25))
        self.detaildesc:SetPosition(6, -8, 0)
        self.detaildesc:SetRegionSize( 352, 165 )
        self.detaildesc:EnableWordWrap(true)

        self.detailwarning = self.detailpanel:AddChild(Text(BODYTEXTFONT, 25))
        self.detailwarning:SetColour(0.9,0,0,1)
        self.detailwarning:SetPosition(15, -160, 0)
        self.detailwarning:SetRegionSize( 600, 107 )
        self.detailwarning:EnableWordWrap(true)
        
        self.modlinkbutton = self.detailpanel:AddChild(TextButton("images/ui.xml", "blank.tex","blank.tex","blank.tex","blank.tex" ))
        self.modlinkbutton:SetPosition(5, -119, 0)
        self.modlinkbutton:SetText(STRINGS.UI.MODSSCREEN.MODLINK)
        self.modlinkbutton:SetFont(BUTTONFONT)
        self.modlinkbutton:SetTextSize(30)
        self.modlinkbutton:SetTextColour(0.9,0.8,0.6,1)
        self.modlinkbutton:SetTextFocusColour(1,1,1,1)
        self.modlinkbutton:SetOnClick( function() self:ModLinkCurrent() end )
        
        --local enableoptions = {{text="Disabled", data=DISABLE},{text="Enabled",data=ENABLE}}
        --self.enablespinner = self.detailpanel:AddChild(Spinner(enableoptions, 200, 60))
        --self.enablespinner:SetTextColour(0,0,0,1)
        --self.enablespinner:SetPosition(-100, -150, 0)
        --self.enablespinner.OnChanged = function( _, data )
            --self:EnableCurrent(data)
        --end

    else
        self.detaildesc = self.detailpanel:AddChild(Text(BODYTEXTFONT, 25))
        self.detaildesc:SetString(STRINGS.UI.MODSSCREEN.NO_MODS)
        self.detaildesc:SetPosition(6, -8, 0)
        self.detaildesc:SetRegionSize( 352, 165 )
        self.detaildesc:EnableWordWrap(true)

        self.modlinkbutton = self.detailpanel:AddChild(TextButton("images/ui.xml", "blank.tex","blank.tex","blank.tex","blank.tex" ))
        self.modlinkbutton:SetPosition(5, -119, 0)
        self.modlinkbutton:SetFont(BUTTONFONT)
        self.modlinkbutton:SetTextSize(30)
        self.modlinkbutton:SetTextColour(0.9,0.8,0.6,1)
        self.modlinkbutton:SetTextFocusColour(1,1,1,1)
        self.modlinkbutton:SetText(STRINGS.UI.MODSSCREEN.NO_MODS_LINK)
        self.modlinkbutton:SetOnClick( function() self:MoreMods() end )
        
    end

end

-- Not currently used, for testing only.
local function OnUpdateWorkshopModsComplete(success, msg)
    print("OnUpdateWorkshopModsComplete", success, msg)

    local status = TheSim:GetWorkshopUpdateStatus()
    for k,v in pairs(status) do
        print("-", k, v)
    end

    local modInfo = TheSim:GetWorkshopMods()
    for i,v in ipairs(modInfo) do
        print("   ", i)
        for k,v in pairs(v) do
            print("   ", k, v)
        end
    end
end


function ModsScreen:StartWorkshopUpdate()
    if TheSim:UpdateWorkshopMods( function() self:WorkshopUpdateComplete() end ) then
        self.updatetask = scheduler:ExecutePeriodic(0, self.ShowWorkshopStatus, nil, 0, "workshopupdate", self )
    else
        self:WorkshopUpdateComplete()
    end
end

function ModsScreen:WorkshopUpdateComplete(status, message) --bool, string
    
    if self.updatetask then
        self.updatetask:Cancel()
        self.updatetask = nil
    end
    if self.workshopupdatenote then
        TheFrontEnd:PopScreen()
        self.workshopupdatenote = nil
    end

    KnownModIndex:UpdateModInfo()
    self.modnames = KnownModIndex:GetModNames()
    local function alphasort(moda, modb)
        if not moda then return false end
        if not modb then return true end
        return string.lower(KnownModIndex:GetModFancyName(moda)) < string.lower(KnownModIndex:GetModFancyName(modb))
    end
    table.sort(self.modnames, alphasort)

    self:ReloadModInfoPrefabs()

    self:CreateDetailPanel()
    self:Scroll(0)

    if #self.modnames > 0 then
        self:ShowModDetails(1)
    end
    
end

function ModsScreen:ShowWorkshopStatus()
    if not self.workshopupdatenote then
        self.workshopupdatenote = PopupDialogScreen( STRINGS.UI.MODSSCREEN.WORKSHOP.UPDATE_TITLE, "", {  })
        TheFrontEnd:PushScreen( self.workshopupdatenote )
    end

    local status = TheSim:GetWorkshopUpdateStatus()
    local statetext = ""
    if status.state == "list" then
        statetext = STRINGS.UI.MODSSCREEN.WORKSHOP.STATE_LIST
    elseif status.state == "details" then
        statetext = STRINGS.UI.MODSSCREEN.WORKSHOP.STATE_DETAILS
    elseif status.state == "download" then
        local progressstring = ""
        if status.progress == 0 then
            progressstring = STRINGS.UI.MODSSCREEN.WORKSHOP.STATE_DOWNLOAD_0
        else
            progressstring = string.format( STRINGS.UI.MODSSCREEN.WORKSHOP.STATE_DOWNLOAD_PERCENT , string.match( tostring(status.progress*100), "^%d*"))
        end
        statetext = STRINGS.UI.MODSSCREEN.WORKSHOP.STATE_DOWNLOAD .."\n".. progressstring
    end
    self.workshopupdatenote.text:SetString(statetext)
end

function ModsScreen:OnControl(control, down)
    if ModsScreen._base.OnControl(self, control, down) then return true end
    
    if not down and control == CONTROL_CANCEL then TheFrontEnd:PopScreen() return true end
end

function ModsScreen:RefreshOptions()

    for k,v in pairs(self.optionwidgets) do
        v:Kill()
    end
    self.optionwidgets = {}
    self.optionspanel:Clear()
    
    
    local page_total = math.min(#self.modnames - self.option_offset, display_rows)
    for k = 1, page_total do
    
        local idx = self.option_offset+k

        local modname = self.modnames[idx]
        local modinfo = KnownModIndex:GetModInfo(modname)
        
        local opt = self.optionspanel:AddCustomItem(Widget("option"))

        opt.idx = idx
        
        opt.bg = opt:AddChild(UIAnim())
        opt.bg:GetAnimState():SetBuild("savetile")
        opt.bg:GetAnimState():SetBank("savetile")
        opt.bg:GetAnimState():PlayAnimation("anim")

        opt.checkbox = opt:AddChild(Image("images/ui.xml", "button_checkbox1.tex"))
        opt.checkbox:SetPosition(-140, 0, 0)
        opt.checkbox:SetScale(0.5,0.5,0.5)

        opt.image = opt:AddChild(Image("images/ui.xml", "portrait_bg.tex"))
        --opt.image:SetScale(imscale,imscale,imscale)
        opt.image:SetPosition(-75,0,0)
        if modinfo and modinfo.icon and modinfo.icon_atlas then
            opt.image:SetTexture("../mods/"..modname.."/"..modinfo.icon_atlas, modinfo.icon)
        end
        opt.image:SetSize(76,76)

        opt.name = opt:AddChild(Text(TITLEFONT, 35))
        opt.name:SetVAlign(ANCHOR_MIDDLE)
        opt.name:SetHAlign(ANCHOR_LEFT)
        opt.name:SetString(modname)
        if modinfo and modinfo.name then
            opt.name:SetString(modinfo.name)
        end
        opt.name:SetPosition(65, 8, 0)
        opt.name:SetRegionSize( 200, 50 )

        opt.status = opt:AddChild(Text(BODYTEXTFONT, 20))
        opt.status:SetVAlign(ANCHOR_MIDDLE)
        opt.status:SetHAlign(ANCHOR_LEFT)
        opt.status:SetString(modname)
        local modStatus = self:GetBestModStatus(modname)
        if modStatus == "WORKING_NORMALLY" then
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.WORKING_NORMALLY)
        elseif modStatus == "WILL_ENABLE" then
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.WILL_ENABLE)
        elseif modStatus == "WILL_DISABLE" then
            opt.status:SetColour(.7,.7,.7,1)
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.WILL_DISABLE)
        elseif modStatus == "DISABLED_ERROR" then
            opt.status:SetColour(0.9,0.3,0.3,1)
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.DISABLED_ERROR)
        elseif modStatus == "DISABLED_OLD" then
            opt.status:SetColour(0.9,0.3,0.3,1)
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.DISABLED_OLD)
        elseif modStatus == "DISABLED_MANUAL" then
            opt.status:SetColour(.7,.7,.7,1)
            opt.status:SetString(STRINGS.UI.MODSSCREEN.STATUS.DISABLED_MANUAL)
        end
        opt.status:SetPosition(66, -22, 0)
        opt.status:SetRegionSize( 200, 50 )

        if KnownModIndex:IsModEnabled(modname) then
            opt.image:SetTint(1,1,1,1)
            opt.checkbox:SetTexture("images/ui.xml", "button_checkbox2.tex")
            opt.checkbox:SetTint(1,1,1,1)
            opt.name:SetColour(1,1,1,1)
        else
            opt.image:SetTint(1.0,0.5,0.5,1)
            opt.checkbox:SetTexture("images/ui.xml", "button_checkbox1.tex")
            opt.checkbox:SetTint(1.0,0.5,0.5,1)
            opt.name:SetColour(.7,.7,.7,1)
        end
        
        local spacing = 105
        
        
        opt.OnGainFocus =
            function()
                TheFrontEnd:GetSound():PlaySound("dontstarve/HUD/click_mouseover")
                self:ShowModDetails(idx)
                opt:SetScale(1.1,1.1,1)
                opt.bg:GetAnimState():PlayAnimation("over")
            end

        opt.OnLoseFocus =
            function()
                opt:SetScale(1,1,1)
                opt.bg:GetAnimState():PlayAnimation("anim")
            end
            
        opt.OnControl =function(_, control, down)
                if Widget.OnControl(opt, control, down) then return true end
                if control == CONTROL_ACCEPT and not down then
                    self:EnableCurrent()
                    self.optionspanel.items[k]:SetFocus() -- this menu gets recreated in EnableCurrent so refocus.
                    return true
                end
            end

        opt:SetPosition(0, (display_rows-1)*spacing*.5 - (k-1)*spacing - 00, 0)
        
        table.insert(self.optionwidgets, opt)
    end

    for k,v in ipairs(self.optionspanel.items) do
        if k > 1 then
            self.optionspanel.items[k]:SetFocusChangeDir(MOVE_UP, function()
                self:ShowModDetails(self.optionspanel.items[k-1].idx)
                return self.optionspanel.items[k-1]
            end)
        end        
        
        if k < #self.optionspanel.items then
            self.optionspanel.items[k]:SetFocusChangeDir(MOVE_DOWN, function()
                self:ShowModDetails(self.optionspanel.items[k+1].idx)
                return self.optionspanel.items[k+1]
            end)
        end
    end

    if self.optionspanel.items == nil or #self.optionspanel.items == 0 then
        return
    end
    
    self.optionspanel.items[1]:SetFocusChangeDir(MOVE_UP, function()
        if not self:OnFirstPage() then
            self:ShowModDetails(self.optionspanel.items[1].idx-1)
            self:Scroll(-display_rows)
            return self.optionspanel.items[#self.optionspanel.items]
        end
        return self.optionspanel.items[1]
    end)

    self.optionspanel.items[#self.optionspanel.items]:SetFocusChangeDir(MOVE_DOWN, function()
        if not self:OnLastPage() then
            self:ShowModDetails(self.optionspanel.items[#self.optionspanel.items].idx+1)
            self:Scroll(display_rows)
            return self.optionspanel.items[1]
        end
        return self.optionspanel.items[#self.optionspanel.items]
    end)
    

end

function ModsScreen:OnFirstPage()
    return self.option_offset == 0
end

function ModsScreen:OnLastPage()
    return self.option_offset + display_rows >= #self.modnames
end

function ModsScreen:Scroll(dir)
    if (dir > 0 and (self.option_offset + display_rows) < #self.modnames) or
        (dir < 0 and self.option_offset + dir >= 0) then
    
        self.option_offset = self.option_offset + dir
    end
    
    self:RefreshOptions()

    if self.option_offset > 0 then
        self.leftbutton:Show()
    else
        self.leftbutton:Hide()
    end
    
    if self.option_offset + display_rows < #self.modnames then
        self.rightbutton:Show()
    else
        self.rightbutton:Hide()
    end
end

function ModsScreen:GetBestModStatus(modname)
    local modinfo = KnownModIndex:GetModInfo(modname)
    if KnownModIndex:IsModEnabled(modname) then
        if KnownModIndex:WasModEnabled(modname) then
            return "WORKING_NORMALLY"
        else
            return "WILL_ENABLE"
        end
    else
        if KnownModIndex:WasModEnabled(modname) then
            return "WILL_DISABLE"
        else
            if KnownModIndex:GetModInfo(modname).failed or KnownModIndex:IsModKnownBad(modname) then
                return "DISABLED_ERROR"
            elseif KnownModIndex:GetModInfo(modname).old then
                return "DISABLED_OLD"
            else
                return "DISABLED_MANUAL"
            end
        end
    end
end

function ModsScreen:ShowModDetails(idx)
    self.currentmod = idx

    local modname = self.modnames[idx]
    local modinfo = KnownModIndex:GetModInfo(modname)

    if modinfo.icon and modinfo.icon_atlas then
        self.detailimage:SetTexture("../mods/"..modname.."/"..modinfo.icon_atlas, modinfo.icon)
        self.detailimage:SetSize(102, 102)
    else
        self.detailimage:SetTexture("images/ui.xml", "portrait_bg.tex")
        self.detailimage:SetSize(102, 102)
    end
    if modinfo.name then
        self.detailtitle:SetString(modinfo.name)
    else
        self.detailtitle:SetString(modname)
    end
    if modinfo.version then
        --self.detailversion:setstring( string.format(strings.ui.modsscreen.version, modinfo.version))
    else
        --self.detailversion:setstring( string.format(strings.ui.modsscreen.version, 0))
    end
    if modinfo.author then
        self.detailauthor:SetString( string.format(STRINGS.UI.MODSSCREEN.AUTHORBY, modinfo.author))
    else
        self.detailauthor:SetString( string.format(STRINGS.UI.MODSSCREEN.AUTHORBY, "unknown"))
    end
    if modinfo.description then
        self.detaildesc:SetString(modinfo.description)
    else
        self.detaildesc:SetString("")
    end

    if modinfo.forumthread then
        self.modlinkbutton:SetText(STRINGS.UI.MODSSCREEN.MODLINK)
    else
        self.modlinkbutton:SetText(STRINGS.UI.MODSSCREEN.MODLINKGENERIC)
    end

    self.detailwarning:SetColour(1,1,1,1)
    local modStatus = self:GetBestModStatus(modname)
    if modStatus == "WORKING_NORMALLY" then
        --self.enablespinner:SetSelected(ENABLE)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.WORKING_NORMALLY)
    elseif modStatus == "WILL_ENABLE" then
        --self.enablespinner:SetSelected(ENABLE)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.WILL_ENABLE)
    elseif modStatus == "WILL_DISABLE" then
        --self.enablespinner:SetSelected(DISABLE)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.WILL_DISABLE)
    elseif modStatus == "DISABLED_ERROR" then
        --self.enablespinner:SetSelected(DISABLE)
        self.detailwarning:SetColour(0.9,0.3,0.3,1)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.DISABLED_ERROR)
    elseif modStatus == "DISABLED_OLD" then
        --self.enablespinner:SetSelected(DISABLE)
        self.detailwarning:SetColour(0.9,0.3,0.3,1)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.DISABLED_OLD)
    elseif modStatus == "DISABLED_MANUAL" then
        --self.enablespinner:SetSelected(DISABLE)
        self.detailwarning:SetString(STRINGS.UI.MODSSCREEN.DISABLED_MANUAL)
    end
end

function ModsScreen:OnConfirmEnableCurrent(data, restart)
    local modname = self.modnames[self.currentmod]
    if data == DISABLE then
        KnownModIndex:Disable(modname)
    elseif data == ENABLE then
        KnownModIndex:Enable(modname)
    else
        if KnownModIndex:IsModEnabled(modname) then
            KnownModIndex:Disable(modname)
        else
            KnownModIndex:Enable(modname)
        end
    end
    self:Scroll(0)
    self:ShowModDetails(self.currentmod)

    if restart then
        KnownModIndex:Save()
        TheSim:Quit()
    end
end

function ModsScreen:EnableCurrent(data)
    local modname = self.modnames[self.currentmod]
    local modinfo = KnownModIndex:GetModInfo(modname)
    if modinfo.restart_required then
        print("RESTART REQUIRED")
        TheFrontEnd:PushScreen(PopupDialogScreen(STRINGS.UI.MODSSCREEN.RESTART_TITLE, STRINGS.UI.MODSSCREEN.RESTART_REQUIRED,
        {
            {text=STRINGS.UI.MODSSCREEN.RESTART, cb = function() self:OnConfirmEnableCurrent(data, true) end },
            {text=STRINGS.UI.MODSSCREEN.CANCEL, cb = function() TheFrontEnd:PopScreen() end}
        }))
    else
        self:OnConfirmEnableCurrent(data, false)
    end
end

function ModsScreen:ModLinkCurrent()
    local modname = self.modnames[self.currentmod]
    local thread = KnownModIndex:GetModInfo(modname).forumthread
    
    local url = ""
    if thread then
        url = "http://forums.kleien...m/index.php?%s"
        url = string.format(url, KnownModIndex:GetModInfo(modname).forumthread)
    else
        url = "http://forums.kleien...ods-and-tools/"
    end
    VisitURL(url)
end

function ModsScreen:MoreMods()
    VisitURL("http://forums.kleien...ent.com/files/")
end

function ModsScreen:Cancel()
    KnownModIndex:RestoreCachedSaveData()
    self:UnloadModInfoPrefabs(self.infoprefabs)
    self.cb(false)
end

function ModsScreen:Apply()
    KnownModIndex:Save()
    self:UnloadModInfoPrefabs(self.infoprefabs)
    self.cb(true)
end

function ModsScreen:LoadModInfoPrefabs(prefabtable)
    for i,modname in ipairs(KnownModIndex:GetModNames()) do
        local info = KnownModIndex:GetModInfo(modname)
        if info.icon_atlas and info.icon then
            local atlaspath = "../mods/"..modname.."/"..info.icon_atlas
            local iconpath = string.gsub(atlaspath, "/[^/]*$", "") .. "/"..info.icon
            if softresolvefilepath(atlaspath) and softresolvefilepath(iconpath) then
                local modinfoassets = {
                    Asset("ATLAS", atlaspath),
                    Asset("IMAGE", iconpath),
                }
                local prefab = Prefab("modbaseprefabs/MODSCREEN_"..modname, nil, modinfoassets, nil)
                RegisterPrefabs( prefab )
                table.insert(prefabtable, prefab.name)
            else
                -- This prevents malformed icon paths from crashing the game.
                print(string.format("WARNING: icon paths for mod %s are not valid. Got icon_atlas=\"%s\" and icon=\"%s\".\nPlease ensure that these point to valid files in your mod folder, or else comment out those lines from your modinfo.lua.", ModInfoname(modname), info.icon_atlas, info.icon))
                info.icon_atlas = nil
                info.icon = nil
            end
        end
    end

    print("Loading Mod Info Prefabs")
    TheSim:LoadPrefabs( prefabtable )
end

function ModsScreen:UnloadModInfoPrefabs(prefabtable)
    print("Unloading Mod Info Prefabs")
    TheSim:UnloadPrefabs( prefabtable )
    for k,v in pairs(prefabtable) do
        prefabtable[k] = nil
    end
end

function ModsScreen:ReloadModInfoPrefabs()
    print("Reloading Mod Info Prefabs")
    -- load before unload -- this prevents the refcounts of prefabs from going 1,
    -- 0, 1 (which triggers a resource unload and crashes). Instead we load first,
    -- so the refcount goes 1, 2, 1 for existing prefabs so everything stays the
    -- same.
    local oldprefabs = self.infoprefabs
    local newprefabs = {}
    self:LoadModInfoPrefabs(newprefabs)
    self:UnloadModInfoPrefabs(oldprefabs)
    self.infoprefabs = newprefabs
end

return ModsScreen

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