underobjectdecalspawncomponent.c

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class UnderObjectDecalSpawnSettings
{
    bool m_RandomizeRotation = true;
    
    float m_ScaleMin = 0.1;
    float m_ScaleMax = 1.0;
    
    vector m_PositionOffset = vector.Zero;
}
 
class UnderObjectDecalSpawnComponent
{
    private const string SURFACE_PARAM_DECAL_NAME = "underObjectDecal";
 
    protected ref UnderObjectDecalSpawnSettings m_Settings;
    
    protected Object m_Parent;
    protected Object m_Decal;
    
    private float m_LastScaleValue;
 
    void UnderObjectDecalSpawnComponent(notnull UnderObjectDecalSpawnSettings pSettings, notnull Object pParent)
    {
        m_Settings  = pSettings;
        m_Parent    = pParent;
    }
    
    private string GetObjectNameFromSurfaceConfig(string surfaceParamName = SURFACE_PARAM_DECAL_NAME)
    {
        string surfaceType
        int liquidType;
        g_Game.SurfaceUnderObjectCorrectedLiquid(m_Parent, surfaceType, liquidType);
 
        return Surface.GetParamText(surfaceType, surfaceParamName);
    }
 
    void SpawnDecal()
    {
        if (m_Decal)
            return;
 
        #ifndef SERVER
        m_Decal = g_Game.CreateObjectEx(
            GetObjectNameFromSurfaceConfig(),
            m_Parent.GetPosition() + m_Settings.m_PositionOffset,
            ECE_LOCAL|ECE_PLACE_ON_SURFACE,
        );
 
        if (m_Decal)
        {
            if (m_Settings.m_RandomizeRotation)
            {
                vector v;
                v[0] = Math.RandomFloat(-Math.PI, Math.PI);
                m_Decal.SetOrientation(v * Math.RAD2DEG);
            }
            
            m_Decal.SetScale(m_Settings.m_ScaleMin);
        }
        #endif
    }
    
    void RemoveDecal()
    {
        #ifndef SERVER
        if (m_Decal)
            m_Decal.Delete();
        #endif
    }
    
    void UpdateSize(float pScaleValue)
    {
        #ifndef SERVER
        if (m_Decal)
        {
            if (pScaleValue != m_LastScaleValue)
            {
                m_LastScaleValue = m_Decal.GetScale();
                m_Decal.SetScale(Math.Clamp(pScaleValue, m_Settings.m_ScaleMin, m_Settings.m_ScaleMax));
            }
        }
        #endif
    }
}