SCR_SlotManagerComponent.c

Go to the documentation of this file.

[EntityEditorProps(insertable: false)]
class SCR_SpawnerSlotManagerClass : GenericEntityClass
{
}

class SCR_SpawnerSlotManager : GenericEntity
{
    protected static SCR_SpawnerSlotManager s_Instance;
    
    protected ref array <SCR_EntitySpawnerSlotComponent> m_aSlots = {};
    protected SCR_EditableEntityCore m_EditableEntityCore;
    
    protected ref ScriptInvoker m_OnSlotCreated;
    protected ref ScriptInvoker m_OnSlotRemoved;
    protected ref ScriptInvoker m_OnSlotUpdated;
    
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnSlotCreated()
    {
        if (!m_OnSlotCreated)
            m_OnSlotCreated = new ScriptInvoker();
        
        return m_OnSlotCreated;
    }
    
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnSlotRemoved()
    {
        if (!m_OnSlotRemoved)
            m_OnSlotRemoved = new ScriptInvoker();
        
        return m_OnSlotRemoved;
    }
    
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnSlotUpdated()
    {
        if (!m_OnSlotUpdated)
            m_OnSlotUpdated = new ScriptInvoker();
        
        return m_OnSlotUpdated;
    }
    
    //------------------------------------------------------------------------------------------------
    static SCR_SpawnerSlotManager GetInstance()
    {
        if (s_Instance)
            return s_Instance;
    
        s_Instance = SCR_SpawnerSlotManager.Cast(GetGame().SpawnEntity(SCR_SpawnerSlotManager, GetGame().GetWorld()));  
        if (!s_Instance)
            return null;
        
        s_Instance.SetupSlotUpdatedInvoker();
        return s_Instance;
    }
    
    //------------------------------------------------------------------------------------------------
    protected void SetupSlotUpdatedInvoker()
    {
        SCR_EditableEntityCore core = SCR_EditableEntityCore.Cast(SCR_EditableEntityCore.GetInstance(SCR_EditableEntityCore));
        if (core)
            core.Event_OnEntityTransformChanged.Insert(OnSlotUpdated);
    }
    
    //------------------------------------------------------------------------------------------------
    void RegisterSlot(SCR_EntitySpawnerSlotComponent slot)
    {
        m_aSlots.Insert(slot);
        
        if (m_EditableEntityCore)
            m_EditableEntityCore.Event_OnEntityTransformChanged.Insert(OnSlotUpdated);
        
        if (m_OnSlotCreated)
            m_OnSlotCreated.Invoke(slot);
    }
    
    //------------------------------------------------------------------------------------------------
    void UnregisterSlot(notnull SCR_EntitySpawnerSlotComponent slot)
    {   
        if (m_aSlots.Contains(slot))
            m_aSlots.RemoveItem(slot);
        
        if (m_OnSlotRemoved)
            m_OnSlotRemoved.Invoke(slot);
    }
    
    //------------------------------------------------------------------------------------------------
    void OnSlotUpdated(notnull SCR_EditableEntityComponent editableComponent)
    {
        IEntity slotOwner = editableComponent.GetOwner();
        if (!slotOwner)
            return;
        
        SCR_EntitySpawnerSlotComponent slot = SCR_EntitySpawnerSlotComponent.Cast(slotOwner.FindComponent(SCR_EntitySpawnerSlotComponent));
        if (slot && m_OnSlotUpdated)
            m_OnSlotUpdated.Invoke(slot, slotOwner.GetOrigin());
    }
    
    //------------------------------------------------------------------------------------------------
    protected override void EOnInit(IEntity owner)
    {
        super.EOnInit(owner);
        
        SCR_EditableEntityCore core = SCR_EditableEntityCore.Cast(SCR_EditableEntityCore.GetInstance(SCR_EditableEntityCore));
        if (core)
            core.Event_OnEntityTransformChanged.Insert(OnSlotUpdated);
        else
            Print("SCR_EditableEntityCore not found! Slot transformation won't be updated!", LogLevel.WARNING); 
    }
    
    //------------------------------------------------------------------------------------------------
    // destructor
    void ~SCR_SpawnerSlotManager()
    {
        if (s_Instance == this)
            s_Instance = null;
    }
}