/// <summary>
/// Creates an empty copy of whatever object this memento can reconstitute. Some
/// mementos are only able to reconstitute into their source objects (they can only
/// be used to restore state in the same object), and these mementos will return a
/// reference to that object.)
/// </summary>
/// <returns>ISupportsMementos.</returns>
public ISupportsMementos CreateTarget()
{
Substance substance = (Substance)m_materialType.CreateMass(m_mass, m_temperature);
if (m_matlSpecs != null)
{
substance.SetMaterialSpecs(m_matlSpecs);
}
return(substance);
}
/// <summary>
/// Applies the material specs.
/// </summary>
/// <param name="emitted">The emitted.</param>
/// <param name="original">The original.</param>
public static void ApplyMaterialSpecs(Substance emitted, Substance original)
{
_Debug.Assert(emitted.MaterialType.Equals(original.MaterialType));
ArrayList emittedSpecs = new ArrayList();
foreach (DictionaryEntry de in original.GetMaterialSpecs())
{
Guid specGuid = (Guid)de.Key;
double specMass = (double)de.Value;
double origPctg = specMass / original.Mass;
double emittedMass = emitted.Mass * origPctg;
emittedSpecs.Add(new DictionaryEntry(specGuid, emittedMass));
}
emitted.SetMaterialSpecs(emittedSpecs);
}
/// <summary>
/// Loads the contents of this Memento into the provided object.
/// </summary>
/// <param name="ism">The object to receive the contents of the memento.</param>
public void Load(ISupportsMementos ism)
{
Substance substance = (Substance)ism;
substance.m_mass = m_mass;
substance.Temperature = m_temperature;
substance.m_type = m_materialType;
if (m_matlSpecs != null)
{
substance.SetMaterialSpecs(m_matlSpecs);
}
else
{
substance.ClearMaterialSpecs();
}
OnLoadCompleted?.Invoke(this);
}