/// <summary>
/// Returns proper enum for a base type multiplied by a value. This is helpful
/// when working with tex coords especially since you might not know the number
/// of texture dimensions at runtime, and when creating the VertexBuffer you will
/// have to get a VertexElementType based on that amount to creating the VertexElement.
/// </summary>
/// <param name="type">Data type.</param>
/// <param name="count">Multiplier.</param>
/// <returns>
/// A <see cref="VertexElementType"/> that represents the requested type and count.
/// </returns>
/// <example>
/// MultiplyTypeCount(VertexElementType.Float1, 3) returns VertexElementType.Float3.
/// </example>
public static VertexElementType MultiplyTypeCount(VertexElementType type, int count)
{
switch (type)
{
case VertexElementType.Float1:
switch (count)
{
case 1:
return(VertexElementType.Float1);
case 2:
return(VertexElementType.Float2);
case 3:
return(VertexElementType.Float3);
case 4:
return(VertexElementType.Float4);
}
break;
case VertexElementType.Short1:
switch (count)
{
case 1:
return(VertexElementType.Short1);
case 2:
return(VertexElementType.Short2);
case 3:
return(VertexElementType.Short3);
case 4:
return(VertexElementType.Short4);
}
break;
}
throw new Exception("Cannot multiply base vertex element type: " + type.ToString());
}
public ElementTypeNotSupported(VertexElementType elementType)
: base(elementType.ToString())
{
}
/// <summary>
/// Returns proper enum for a base type multiplied by a value. This is helpful
/// when working with tex coords especially since you might not know the number
/// of texture dimensions at runtime, and when creating the VertexBuffer you will
/// have to get a VertexElementType based on that amount to creating the VertexElement.
/// </summary>
/// <param name="type">Data type.</param>
/// <param name="count">Multiplier.</param>
/// <returns>
/// A <see cref="VertexElementType"/> that represents the requested type and count.
/// </returns>
/// <example>
/// MultiplyTypeCount(VertexElementType.Float1, 3) returns VertexElementType.Float3.
/// </example>
public static VertexElementType MultiplyTypeCount( VertexElementType type, int count )
{
switch ( type )
{
case VertexElementType.Float1:
switch ( count )
{
case 1:
return VertexElementType.Float1;
case 2:
return VertexElementType.Float2;
case 3:
return VertexElementType.Float3;
case 4:
return VertexElementType.Float4;
}
break;
case VertexElementType.Short1:
switch ( count )
{
case 1:
return VertexElementType.Short1;
case 2:
return VertexElementType.Short2;
case 3:
return VertexElementType.Short3;
case 4:
return VertexElementType.Short4;
}
break;
}
throw new Exception( "Cannot multiply base vertex element type: " + type.ToString() );
}
public ElementUsageNotSupported(VertexElementType elementType)
: base(elementType.ToString()) {}