SCE_EntityEditorEffect.c

Go to the documentation of this file.

[BaseContainerProps(), SCR_BaseContainerCustomTitleResourceName("m_Prefab", true, "ENT: \"%1\"")]
class SCR_EntityEditorEffect: SCR_BaseEditorEffect
{
    [Attribute(params: "et", uiwidget: UIWidgets.ResourcePickerThumbnail, desc: "Spawned entity")]
    private ResourceName m_Prefab;
    
    [Attribute(desc: "Spawn the entity only when no entities are passed to the event.")]
    protected bool m_bNoEntities;
    
    [Attribute(desc: "True to delete previous entity created by this effect when a new one is being created.")]
    protected bool m_bReplacePrevious;
    
    protected IEntity m_Entity;
    
    IEntity GetEntity()
    {
        return m_Entity;
    }
    
    override bool EOnActivate(SCR_BaseEditorComponent editorComponent, vector position = vector.Zero, set<SCR_EditableEntityComponent> entities = null)
    {
        if (position == vector.Zero) return false;
 
        if (m_bNoEntities && entities && !entities.IsEmpty()) return false;
        
        Resource resource = Resource.Load(m_Prefab);
        if (!resource || !resource.IsValid())
        {
            Print(string.Format("Invalid prefab '%1'!", m_Prefab), LogLevel.WARNING);
            return false;
        }
        
        IEntitySource entitySource = SCR_BaseContainerTools.FindEntitySource(resource);
        if (!entitySource)
        {
            Print(string.Format("Prefab '%1' is not an entity!", m_Prefab), LogLevel.WARNING);
            return false;
        }
        
        EntitySpawnParams spawnParams = new EntitySpawnParams;
        spawnParams.Transform[3] = position;
        
        //--- Apply scale from prefab
        float scale;
        entitySource.Get("scale", scale);
        if (scale != 1)
        {
            spawnParams.Transform[0] = spawnParams.Transform[0] * scale;
            spawnParams.Transform[1] = spawnParams.Transform[1] * scale;
            spawnParams.Transform[2] = spawnParams.Transform[2] * scale;
        }
        
        if (m_bReplacePrevious)
            SCR_EntityHelper.DeleteEntityAndChildren(m_Entity);     
        m_Entity = GetGame().SpawnEntityPrefab(resource, GetGame().GetWorld(), spawnParams);
        return true;
    }
};