/// <summary>
/// Sets up a constant which will automatically be updated by the engine.
/// </summary>
/// <remarks>
/// Vertex and fragment programs often need parameters which are to do with the
/// current render state, or particular values which may very well change over time,
/// and often between objects which are being rendered. This feature allows you
/// to set up a certain number of predefined parameter mappings that are kept up to
/// date for you.
/// </remarks>
/// <param name="name">
/// Name of the param.
/// </param>
/// <param name="type">
/// The type of automatic constant to set.
/// </param>
/// <param name="extraInfo">
/// Any extra infor needed by the auto constant (i.e. light index, etc).
/// </param>
public void SetNamedAutoConstant(string name, AutoConstants type, int extraInfo)
{
SetAutoConstant(GetParamIndex(name), type, extraInfo);
}
/// <summary>
/// Overloaded method.
/// </summary>
/// <param name="type">The type of automatic constant to set.</param>
/// <param name="index">
/// The location in the constant list to place this updated constant every time
/// it is changed. Note that because of the nature of the types, we know how big the
/// parameter details will be so you don't need to set that like you do for manual constants.
/// </param>
/// <param name="extraInfo">If the constant type needs more information (like a light index) put it here.</param>
public void SetAutoConstant(int index, AutoConstants type, float extraInfo)
{
AutoConstantEntry entry = new AutoConstantEntry(type, index, extraInfo);
autoConstantList.Add(entry);
}
/// <summary>
/// Overloaded method.
/// </summary>
/// <param name="type">The type of automatic constant to set.</param>
/// <param name="index">
/// The location in the constant list to place this updated constant every time
/// it is changed. Note that because of the nature of the types, we know how big the
/// parameter details will be so you don't need to set that like you do for manual constants.
/// </param>
/// <param name="extraInfo">If the constant type needs more information (like a light index) put it here.</param>
public void SetAutoConstant(int index, AutoConstants type, int extraInfo)
{
AutoConstantEntry entry = new AutoConstantEntry(type, index, extraInfo);
System.Diagnostics.Debug.Assert(type != AutoConstants.SinTime_0_X);
autoConstantList.Add(entry);
}
/// <summary>
/// Sets up a constant which will automatically be updated by the engine.
/// </summary>
/// <remarks>
/// Vertex and fragment programs often need parameters which are to do with the
/// current render state, or particular values which may very well change over time,
/// and often between objects which are being rendered. This feature allows you
/// to set up a certain number of predefined parameter mappings that are kept up to
/// date for you.
/// </remarks>
/// <param name="type">The type of automatic constant to set.</param>
/// <param name="index">
/// The location in the constant list to place this updated constant every time
/// it is changed. Note that because of the nature of the types, we know how big the
/// parameter details will be so you don't need to set that like you do for manual constants.
/// </param>
public void SetAutoConstant(int index, AutoConstants type)
{
SetAutoConstant(index, type, 0);
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="type">Type of auto param (i.e. WorldViewMatrix, etc)</param>
/// <param name="index">Index of the param.</param>
/// <param name="data">Any additional info to go with the parameter.</param>
public AutoConstantEntry(AutoConstants type, int index, float fdata)
{
this.type = type;
this.index = index;
this.fdata = fdata;
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="type">Type of auto param (i.e. WorldViewMatrix, etc)</param>
/// <param name="index">Index of the param.</param>
/// <param name="data">Any additional info to go with the parameter.</param>
public AutoConstantEntry(AutoConstants type, int index, int data)
{
this.type = type;
this.index = index;
this.data = data;
System.Diagnostics.Debug.Assert(type != AutoConstants.SinTime_0_X);
}
