/// <summary>
/// Creates a new material parameter GUI.
/// </summary>
/// <param name="shaderParam">Shader parameter to create the GUI for. Must be of 3x3 matrix type.</param>
/// <param name="material">Material the parameter is a part of.</param>
/// <param name="layout">Layout to append the GUI elements to.</param>
internal MaterialParamMat3GUI(ShaderParameter shaderParam, Material material, GUILayout layout)
: base(shaderParam)
{
LocString title = new LocEdString(shaderParam.Name);
GUILabel guiTitle = new GUILabel(title, GUIOption.FixedWidth(100));
mainLayout = layout.AddLayoutY();
GUILayoutX titleLayout = mainLayout.AddLayoutX();
titleLayout.AddElement(guiTitle);
titleLayout.AddFlexibleSpace();
GUILayoutY contentLayout = mainLayout.AddLayoutY();
GUILayoutX[] rows = new GUILayoutX[MAT_SIZE];
for (int i = 0; i < rows.Length; i++)
rows[i] = contentLayout.AddLayoutX();
for (int row = 0; row < MAT_SIZE; row++)
{
for (int col = 0; col < MAT_SIZE; col++)
{
int index = row * MAT_SIZE + col;
guiMatFields[index] = new GUIFloatField(row + "," + col, 20, "", GUIOption.FixedWidth(80));
GUIFloatField field = guiMatFields[index];
rows[row].AddElement(field);
rows[row].AddSpace(5);
int hoistedRow = row;
int hoistedCol = col;
field.OnChanged += (x) =>
{
Matrix3 value = material.GetMatrix3(shaderParam.Name);
value[hoistedRow, hoistedCol] = x;
material.SetMatrix3(shaderParam.Name, value);
EditorApplication.SetDirty(material);
};
}
}
}
