private void OpenFileButton_OnClick(object sender, RoutedEventArgs e)
{
var openFileDialog = new Microsoft.Win32.OpenFileDialog();
openFileDialog.Filter = "All texture files (*.*)|*.*";
openFileDialog.Title = "Select texture file";
if (!string.IsNullOrEmpty(BaseFolder) && System.IO.Directory.Exists(BaseFolder))
{
openFileDialog.InitialDirectory = BaseFolder;
}
if ((openFileDialog.ShowDialog() ?? false) && !string.IsNullOrEmpty(openFileDialog.FileName))
{
TextureCheckBox.SetCurrentValue(System.Windows.Controls.Primitives.ToggleButton.IsCheckedProperty, true);
FileNameTextBox.SetCurrentValue(TextBox.TextProperty, openFileDialog.FileName);
LoadCurrentTexture();
}
}
private void LoadCurrentTexture()
{
if (this.DXDevice == null)
{
return;
}
bool hasChanges = false;
if (_textureMapInfo != null)
{
if (_textureMapInfo.ShaderResourceView != null)
{
_textureMapInfo.ShaderResourceView.Dispose();
}
if (_textureMapInfo.SamplerState != null)
{
_textureMapInfo.SamplerState.Dispose();
}
Material.TextureMaps.Remove(_textureMapInfo);
_textureMapInfo = null;
hasChanges = true;
}
FileNameTextBox.ClearValue(ForegroundProperty);
FileNameTextBox.SetCurrentValue(ToolTipProperty, null);
if (TextureCheckBox.IsChecked ?? false)
{
var fileName = FileNameTextBox.Text;
if (!string.IsNullOrEmpty(fileName))
{
if (BaseFolder != null && !System.IO.Path.IsPathRooted(fileName))
{
fileName = System.IO.Path.Combine(BaseFolder, fileName);
}
if (!System.IO.File.Exists(fileName))
{
FileNameTextBox.SetCurrentValue(ForegroundProperty, Brushes.Red);
FileNameTextBox.SetCurrentValue(ToolTipProperty, fileName + " does not exist!");
return;
}
var isBaseColor = (TextureMapType == TextureMapTypes.BaseColor ||
TextureMapType == TextureMapTypes.Albedo ||
TextureMapType == TextureMapTypes.DiffuseColor);
// To load a texture from file, you can use the TextureLoader.LoadShaderResourceView (this supports loading standard image files and also loading dds files).
// This method returns a ShaderResourceView and it can also set a textureInfo parameter that defines some of the properties of the loaded texture (bitmap size, dpi, format, hasTransparency).
TextureInfo textureInfo;
var shaderResourceView = Ab3d.DirectX.TextureLoader.LoadShaderResourceView(this.DXDevice.Device,
fileName,
loadDdsIfPresent: true,
convertTo32bppPRGBA: isBaseColor,
generateMipMaps: true,
textureInfo: out textureInfo);
// Only 2D textures are supported
if (shaderResourceView.Description.Dimension != ShaderResourceViewDimension.Texture2D)
{
MessageBox.Show("Invalid texture dimension: " + shaderResourceView.Description.Dimension.ToString());
TextureCheckBox.SetCurrentValue(System.Windows.Controls.Primitives.ToggleButton.IsCheckedProperty, false);
return;
}
_textureMapInfo = new TextureMapInfo(TextureMapType, shaderResourceView, null, fileName);
Material.TextureMaps.Add(_textureMapInfo);
var physicallyBasedMaterial = Material as PhysicallyBasedMaterial;
if (isBaseColor && physicallyBasedMaterial != null)
{
// Get recommended BlendState based on HasTransparency and HasPreMultipliedAlpha values.
// Possible values are: CommonStates.Opaque, CommonStates.PremultipliedAlphaBlend or CommonStates.NonPremultipliedAlphaBlend.
var recommendedBlendState = this.DXDevice.CommonStates.GetRecommendedBlendState(textureInfo.HasTransparency, textureInfo.HasPremultipliedAlpha);
physicallyBasedMaterial.BlendState = recommendedBlendState;
physicallyBasedMaterial.HasTransparency = textureInfo.HasTransparency;
}
if (CurrentMaskColor == Colors.Black)
{
CurrentMaskColor = Colors.White;
}
if (CurrentFilterValue <= 0.01)
{
CurrentFilterValue = 1.0f;
}
hasChanges = true;
}
}
if (hasChanges)
{
OnMapSettingsChanged();
}
}
