/// <summary>
/// When overridden in the derived class, sets the values read from the Read method.
/// </summary>
/// <param name="conditional">The conditional.</param>
/// <param name="not">The Not value.</param>
/// <param name="parameters">The parameters.</param>
protected override void SetReadValues(NPCChatConditionalBase conditional, bool not,
NPCChatConditionalParameter[] parameters)
{
_conditional = conditional;
_not = not;
_parameters = parameters;
}
/// <summary>
/// Tries the set one of the Parameters.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="value">The value.</param>
/// <returns>True if set successfully; otherwise false.</returns>
public bool TrySetParameter(int index, NPCChatConditionalParameter value)
{
if (index < 0)
return false;
if (index >= _parameters.Count)
return false;
if (value == null)
return false;
_parameters[index] = value;
if (Changed != null)
Changed.Raise(this, EventArgs.Empty);
return true;
}
/// <summary>
/// When overridden in the derived class, sets the values read from the Read method.
/// </summary>
/// <param name="conditional">The conditional.</param>
/// <param name="not">The Not value.</param>
/// <param name="parameters">The parameters.</param>
protected override void SetReadValues(NPCChatConditionalBase conditional, bool not,
NPCChatConditionalParameter[] parameters)
{
_conditional = conditional;
_not = not;
_parameters.Clear();
_parameters.AddRange(parameters);
if (Changed != null)
Changed.Raise(this, EventArgs.Empty);
}
/// <summary>
/// Sets the Conditional.
/// </summary>
/// <param name="conditional">The new <see cref="NPCChatConditionalBase"/>.</param>
/// <exception cref="ArgumentNullException"><paramref name="conditional" /> is <c>null</c>.</exception>
public void SetConditional(NPCChatConditionalBase conditional)
{
if (conditional == null)
throw new ArgumentNullException("conditional");
if (_conditional == conditional)
return;
// Set the new conditional
_conditional = conditional;
// Re-create all the parameters to the appropriate type for the new conditional
var newParameters = new NPCChatConditionalParameter[Conditional.ParameterCount];
for (var i = 0; i < Conditional.ParameterCount; i++)
{
var neededType = Conditional.GetParameter(i);
if (i < _parameters.Count && _parameters[i].ValueType == neededType)
{
// The type matches the old type, so just reuse it
newParameters[i] = _parameters[i];
}
else
{
// Different type or out of range, so make a new one
newParameters[i] = NPCChatConditionalParameter.CreateParameter(neededType);
}
}
// Set the new parameters
_parameters.Clear();
_parameters.AddRange(newParameters);
if (Changed != null)
Changed.Raise(this, EventArgs.Empty);
}
/// <summary>
/// Writes the <see cref="NPCChatConditionalParameter"/> to the given <see cref="IValueWriter"/>.
/// </summary>
/// <param name="p">The <see cref="NPCChatConditionalParameter"/>.</param>
/// <param name="writer">The <see cref="IValueWriter"/> to write to.</param>
public static void Write(NPCChatConditionalParameter p, IValueWriter writer)
{
writer.Write("ValueType", (byte)p.ValueType);
p.WriteValue(writer, "Value");
}
/// <summary> /// When overridden in the derived class, performs the actual conditional evaluation. /// </summary> /// <param name="user">The User.</param> /// <param name="npc">The NPC.</param> /// <param name="parameters">The parameters to use. </param> /// <returns>True if the conditional returns true for the given <paramref name="user"/>, /// <paramref name="npc"/>, and <paramref name="parameters"/>; otherwise false.</returns> protected abstract bool DoEvaluate(object user, object npc, NPCChatConditionalParameter[] parameters);
/// <summary>
/// When overridden in the derived class, sets the values read from the Read method.
/// </summary>
/// <param name="conditional">The conditional.</param>
/// <param name="not">The Not value.</param>
/// <param name="parameters">The parameters.</param>
protected abstract void SetReadValues(NPCChatConditionalBase conditional, bool not,
NPCChatConditionalParameter[] parameters);
/// <summary>
/// Initializes a new instance of the <see cref="ParameterListItem"/> class.
/// </summary>
/// <param name="parameter">The <see cref="NPCChatConditionalParameter"/>.</param>
/// <exception cref="ArgumentNullException"><paramref name="parameter" /> is <c>null</c>.</exception>
public ParameterListItem(NPCChatConditionalParameter parameter)
{
if (parameter == null)
throw new ArgumentNullException("parameter");
_parameter = parameter;
}
/// <summary>
/// Writes the <see cref="NPCChatConditionalParameter"/> to the given <see cref="IValueWriter"/>.
/// </summary>
/// <param name="p">The <see cref="NPCChatConditionalParameter"/>.</param>
/// <param name="writer">The <see cref="IValueWriter"/> to write to.</param>
public static void Write(NPCChatConditionalParameter p, IValueWriter writer)
{
writer.Write("ValueType", (byte)p.ValueType);
p.WriteValue(writer, "Value");
}
