/// <summary>
/// Perform a set of random fault line increments on the height texture.
/// </summary>
/// <param name="count">The number of lines to push.</param>
/// <param name="push">How much to push the height texture up or down per line.</param>
public void Fault(int count, float push)
{
Vector4nb[] lines = TemporaryData;
int maxPass = 4000;
while (count > 0)
{
int passCount = Math.Min(count, maxPass);
for (int i = 0; i < passCount; i++)
{
lines[i] = new Vector4nb(Rng.NextVector4d());
}
Fault(lines, passCount, push);
count -= passCount;
}
}
/// <summary>Read an array of <c>Vector4nb</c> values.</summary>
public static Vector4nb[] ReadArrayVector4nb(this BinaryReader reader, int count)
{
Vector4nb[] array = new Vector4nb[count]; reader.ReadArray(array, 0, count); return array;
}
/// <summary>Read a <see cref="Vector4nb"/>.</summary>
public static void ReadVector4nb(this BinaryReader reader , out Vector4nb result)
{
result.X = reader.ReadNormalizedByte();
result.Y = reader.ReadNormalizedByte();
result.Z = reader.ReadNormalizedByte();
result.W = reader.ReadNormalizedByte();
return;
}
void WriteTemporaryTexture(Vector4nb[] data, int count)
{
if (data == null)
throw new ArgumentNullException("lines");
if (count > data.Length || count < 0)
throw new ArgumentOutOfRangeException("count");
throw new NotImplementedException();
/*int width = TemporaryTexture.Width;
int rows = data.Length / width, remainder = data.Length % width;
Program.Parameters["TemporaryTexture"].SetValue((Texture2D)null);
Program.CurrentTechnique.Passes[0].Apply();
if (rows > 0)
TemporaryTexture.SetData(0, new Rectangle(0, 0, width, rows), data, 0, rows * width);
if (remainder > 0)
TemporaryTexture.SetData(0, new Rectangle(0, rows, remainder, 1), data, rows * width, remainder);
Program.Parameters["TemporaryTexture"].SetValue(TemporaryTexture);*/
}
/// <summary>
/// Perform a set of random fault line increments on the height texture.
/// </summary>
/// <param name="count">The number of lines to push.</param>
/// <param name="push">How much to push the height texture up or down per line.</param>
public void Fault(int count, float push)
{
Vector4nb[] lines = TemporaryData;
int maxPass = 4000;
while (count > 0)
{
int passCount = Math.Min(count, maxPass);
for (int i = 0; i < passCount; i++)
lines[i] = new Vector4nb(Rng.NextVector4d());
Fault(lines, passCount, push);
count -= passCount;
}
}
/// <summary>
/// Perform a set of fault line increments on the height texture.
/// </summary>
/// <param name="lines">Each pair of values is a line to separate the texture. Any point on the left of the line is pushed down, any point on the right of the line is pulled up.</param>
/// <param name="count">The number of lines to push.</param>
/// <param name="push">How much to push the height texture up or down.</param>
public void Fault(Vector4nb[] lines, int count, float push)
{
WriteTemporaryTexture(lines, count);
Program.Uniforms["FaultCount"].Set(count);
Program.Uniforms["FaultPush"].Set(push);
ProcessHeightAll("Fault");
}