public DelegateParameterArrayBinding <T> Set <T>(EffectParameter parameter, Action <DelegateParameterArrayBinding <T>, RenderContext, T[]> computeParameter)
{
DelegateParameterArrayBinding <T> binding;
int index = ParameterBindings.IndexOf(parameter);
if (index >= 0)
{
// An effect parameter binding already exists.
binding = ParameterBindings[index] as DelegateParameterArrayBinding <T>;
if (binding != null)
{
// Update existing binding.
binding.ComputeParameter = computeParameter;
}
else
{
// Replace existing binding.
binding = new DelegateParameterArrayBinding <T>(Effect, parameter, computeParameter);
ParameterBindings[index] = binding;
}
}
else
{
// Create a new binding.
binding = new DelegateParameterArrayBinding <T>(Effect, parameter, computeParameter);
CheckHint(binding);
ParameterBindings.Add(binding);
}
return(binding);
}
private static void GetDetailClipmapOffsets(DelegateParameterArrayBinding <Vector2> binding, RenderContext context, Vector2[] values)
{
var offsets = GetTerrainNode(context).DetailClipmap.Offsets;
for (int i = 0; i < Math.Min(offsets.Length, values.Length); i++)
{
values[i] = (Vector2)offsets[i];
}
}
private static void GetBaseClipmapOrigins(DelegateParameterArrayBinding <Vector2> binding, RenderContext context, Vector2[] values)
{
var origins = GetTerrainNode(context).BaseClipmap.Origins;
for (int i = 0; i < Math.Min(origins.Length, values.Length); i++)
{
values[i] = (Vector2)origins[i];
}
}
private static void GetTerrainClearValues(DelegateParameterArrayBinding <Vector4> binding, RenderContext context, Vector4[] values)
{
var terrain = GetTerrainNode(context).Terrain;
var clearValues = (context.RenderPass == "Base") ? terrain.BaseClearValues : terrain.DetailClearValues;
for (int i = 0; i < Math.Min(clearValues.Length, values.Length); i++)
{
values[i] = (Vector4)clearValues[i];
}
}
private static void GetDetailClipmapCellSizes(DelegateParameterArrayBinding <float> binding, RenderContext context, float[] values)
{
var cellSizes = GetTerrainNode(context).DetailClipmap.CellSizes;
for (int i = 0; i < Math.Min(cellSizes.Length, values.Length); i++)
{
values[i] = cellSizes[i];
}
for (int i = 1; i < values.Length; i++)
{
if (Numeric.IsNaN(values[i]))
{
values[i] = values[i - 1] * 2;
}
}
}