SCR_FactionRequestUIComponent.c

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class SCR_FactionRequestUIComponent : SCR_DeployRequestUIBaseComponent
{
    [Attribute("FactionList", desc: "Container for available factions' buttons")]
    protected string m_sFactionList;
    protected Widget m_wFactionList;
 
    [Attribute("NoFactions")]
    protected string m_sNoFactions;
    protected Widget m_wNoFactions;
 
    [Attribute("{8A77FAE1C3B1F827}UI/layouts/Menus/DeployMenu/FactionButton.layout", desc: "Layout for faction button, has to have SCR_FactionButton attached to it.")]
    protected ResourceName m_sFactionButton;
 
    protected SCR_PlayerFactionAffiliationComponent m_PlyFactionAffilComp;
    protected SCR_FactionManager m_FactionManager;
    
    protected ref ScriptInvoker<SCR_PlayerFactionAffiliationComponent, int, bool> m_OnFactionRequested;
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
 
        m_wFactionList = w.FindAnyWidget(m_sFactionList);
        if (!m_wFactionList)
            return;
 
        m_wNoFactions = w.FindAnyWidget(m_sNoFactions);
 
        m_FactionManager = SCR_FactionManager.Cast(GetGame().GetFactionManager());
        if (m_FactionManager)
            m_FactionManager.GetOnPlayerFactionCountChanged().Insert(UpdateFactionButtons);
        
        PlayerController pc = GetGame().GetPlayerController();
        if (pc)
            m_PlyFactionAffilComp = SCR_PlayerFactionAffiliationComponent.Cast(pc.FindComponent(SCR_PlayerFactionAffiliationComponent));
 
        ShowAvailableFactions();
    }
 
    void ShowAvailableFactions()
    {
        if (!m_wFactionList || !m_PlyFactionAffilComp)
            return;
 
        // Clear the list
        Widget child = m_wFactionList.GetChildren();
        while (child)
        {
            Widget sibling = child.GetSibling();
            if (SCR_FactionButton.Cast(child.FindHandler(SCR_FactionButton))) // Don't clear widgets that are not SCR_FactionButton
                child.RemoveFromHierarchy();
            child = sibling;
        }
 
        m_aButtons.Clear();
 
        // fetch factions and create their button layouts
        array<Faction> availableFactions = {};
        int factionCount = m_FactionManager.GetFactionsList(availableFactions);
 
        Faction playerFaction = m_PlyFactionAffilComp.GetAffiliatedFaction();
        bool canChangeFaction = SCR_BaseGameMode.Cast(GetGame().GetGameMode()).IsFactionChangeAllowed();
 
        int playableFactionCount = 0;
 
        for (int i = 0; i < factionCount; ++i)
        {
            SCR_Faction scriptedFaction = SCR_Faction.Cast(availableFactions[i]);
            if (!scriptedFaction)
                continue;
            
            scriptedFaction.GetOnFactionPlayableChanged().Insert(OnPlayableFactionChanged);
 
            Widget btnW = GetGame().GetWorkspace().CreateWidgets(m_sFactionButton, m_wFactionList);
 
            SCR_FactionButton btnComp;
            if (m_bUseListFromButton)
                btnComp = SCR_FactionButton.Cast(btnW.FindAnyWidget("Button").FindHandler(SCR_FactionButton));
            else
                btnComp = SCR_FactionButton.Cast(btnW.FindHandler(SCR_FactionButton));
            
            btnComp.SetFaction(scriptedFaction);
            btnComp.m_OnClicked.Insert(OnButtonClicked);
            btnComp.m_OnFocus.Insert(OnButtonFocused);
            btnComp.m_OnMouseEnter.Insert(OnButtonFocused);
            btnComp.m_OnMouseLeave.Insert(OnMouseLeft);
            
            if (!canChangeFaction && playerFaction)
            {
                btnComp.SetShouldUnlock(playerFaction == scriptedFaction);
                btnComp.SetEnabled(playerFaction == scriptedFaction);
            }
            
            btnComp.SetVisible(scriptedFaction.IsPlayable(), false);
 
            if (scriptedFaction.IsPlayable())
                playableFactionCount++;
 
            m_aButtons.Insert(btnComp);
        }
 
        if (m_wNoFactions)
            m_wNoFactions.SetVisible(playableFactionCount == 0);
    }
 
    void OnPlayerFactionAssigned(Faction assignedFaction)
    {
        bool canChangeFaction = SCR_BaseGameMode.Cast(GetGame().GetGameMode()).IsFactionChangeAllowed();
 
        foreach (SCR_DeployButtonBase btn : m_aButtons)
        {
            SCR_FactionButton factionBtn = SCR_FactionButton.Cast(btn);
            if (factionBtn)
            {
                if (!canChangeFaction)
                {
                    bool enabled = assignedFaction == factionBtn.GetFaction();
                    factionBtn.m_OnClicked.Remove(OnButtonClicked);
                    factionBtn.SetEnabled(enabled);
                    factionBtn.SetShouldUnlock(enabled);
                }
                
                if (assignedFaction == factionBtn.GetFaction())
                    factionBtn.HideTooltip();
                factionBtn.SetSelected(assignedFaction == factionBtn.GetFaction());
            }
        }
    }
 
    protected void OnPlayableFactionChanged(SCR_Faction faction, bool playable)
    {
        int playableFactionCount = 0;
        foreach (SCR_DeployButtonBase btn : m_aButtons)
        {
            SCR_FactionButton factionBtn = SCR_FactionButton.Cast(btn);
            if (!factionBtn)
                continue;
            if (factionBtn.GetFaction() == faction)
                factionBtn.SetVisible(playable, false);
            if (factionBtn.GetFaction().IsPlayable())
                playableFactionCount++;
        }
        
        if (m_wNoFactions)
            m_wNoFactions.SetVisible(playableFactionCount == 0);
    }
 
    protected void UpdateFactionButtons(Faction faction, int newCount)
    {
        foreach (SCR_DeployButtonBase btn : m_aButtons)
        {
            SCR_FactionButton factionBtn = SCR_FactionButton.Cast(btn);
            if (factionBtn)
                factionBtn.UpdatePlayerCount();
        }
    }
 
    protected void OnButtonFocused(Widget w)
    {
        SCR_FactionButton factionBtn = SCR_FactionButton.Cast(w.FindHandler(SCR_FactionButton));
        if (!factionBtn)
            return;
 
        factionBtn.SetTooltipAvailable(m_PlyFactionAffilComp.GetAffiliatedFaction() != factionBtn.GetFaction());
        m_OnButtonFocused.Invoke(factionBtn.GetFaction());
    }
 
    protected void RequestPlayerFaction(SCR_FactionButton factionBtn)
    {
        if (m_PlyFactionAffilComp.GetAffiliatedFaction() == factionBtn.GetFaction())
        {
            GetOnFactionRequested().Invoke(m_PlyFactionAffilComp, m_FactionManager.GetFactionIndex(m_PlyFactionAffilComp.GetAffiliatedFaction()), true);
            return;
        }
 
        Lock(factionBtn);
        Faction faction = factionBtn.GetFaction();
        m_PlyFactionAffilComp.RequestFaction(faction);
    }
 
    protected void OnButtonClicked(SCR_FactionButton factionBtn)
    {
        if (SCR_BaseGameMode.Cast(GetGame().GetGameMode()).IsFactionChangeAllowed())
        {
            RequestPlayerFaction(factionBtn);
        }   
        else
        {
            int factionIndex = m_FactionManager.GetFactionIndex(factionBtn.GetFaction());
            SCR_PersistentFactionDialog dialog = SCR_PersistentFactionDialog.CreatePersistentFactionDialog(factionIndex);
            dialog.m_OnConfirm.Insert(OnFactionDialogConfirm);
        }
    }
 
    protected void OnFactionDialogConfirm(SCR_PersistentFactionDialog dialog)
    {
        SCR_FactionButton btn = SCR_FactionButton.Cast(GetFactionButton(dialog.GetRequestedFactionIndex()));
        if (btn)
            RequestPlayerFaction(btn);
    }
 
    void RequestRandomFaction()
    {
        array<Faction> factions = {};
        m_FactionManager.GetFactionsList(factions);
        m_PlyFactionAffilComp.RequestFaction(factions.GetRandomElement());
    }
 
    SCR_FactionButton GetFactionButton(int factionId)
    {
        Faction faction = m_FactionManager.GetFactionByIndex(factionId);
        foreach (SCR_DeployButtonBase btn : m_aButtons)
        {
            SCR_FactionButton factionBtn = SCR_FactionButton.Cast(btn);
            if (factionBtn && factionBtn.GetFaction() == faction)
                return factionBtn;
        }
 
        return null;
    }
 
    ScriptInvoker GetOnFactionRequested()
    {
        if (!m_OnFactionRequested)
            m_OnFactionRequested = new ScriptInvoker();
        
        return m_OnFactionRequested;
    }
};
 
//------------------------------------------------------------------------------------------------
class SCR_FactionButton : SCR_DeployButtonBase
{
    [Attribute("FactionName")]
    protected string m_sFactionName;
    protected TextWidget m_wFactionName;
 
    [Attribute("PlayerCountText")]
    protected string m_sPlayerCount;
    protected TextWidget m_wPlayerCount;
 
    [Attribute("PlayerIcon")]
    protected string m_sPlayerIcon;
    protected Widget m_wPlayerIcon;
    
    [Attribute("Arrow")]
    protected string m_sArrowIcon;
    protected ImageWidget m_wArrowIcon;
 
    protected SCR_Faction m_Faction;
    protected int m_iPlayerCount;
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
 
        m_wFactionName = TextWidget.Cast(w.FindAnyWidget(m_sFactionName));
        m_wPlayerCount = TextWidget.Cast(w.FindAnyWidget(m_sPlayerCount));
        m_wPlayerIcon = ImageWidget.Cast(w.FindAnyWidget(m_sPlayerIcon));
        m_wArrowIcon = ImageWidget.Cast(w.FindAnyWidget(m_sArrowIcon));
    }
 
    void SetFaction(SCR_Faction faction)
    {
        m_Faction = faction;
 
        SetFactionName(faction.GetFactionName());
        SetImage(faction.GetFactionFlag());
 
        UpdatePlayerCount();
    }
 
    SCR_Faction GetFaction()
    {
        return m_Faction;
    }
 
    int GetPlayerCount()
    {
        return m_iPlayerCount;
    }
 
    void UpdatePlayerCount()
    {
        SCR_Faction scrFaction = SCR_Faction.Cast(m_Faction);
        if (scrFaction && m_wPlayerCount)
        {
            m_iPlayerCount = scrFaction.GetPlayerCount();
            m_wPlayerCount.SetText(m_iPlayerCount.ToString());
        }
    }
 
    void SetFactionName(string name)
    {
        if (m_wFactionName)
            m_wFactionName.SetText(name);
    }
 
    override void SetSelected(bool selected)
    {
        super.SetSelected(selected);
        if (!m_wArrowIcon)
            return;
        
        if (selected)
            m_wArrowIcon.SetRotation(90);
        else
            m_wArrowIcon.SetRotation(270);
    }   
};