public DecalLayer()
{
_layerMaskScale = new Vector2(1, 1);
_layerMaskOffset = new Vector2(0, 0);
_channel1 = new DecalLayerChannel {
Mode = DecalLayerChannel.DecalChannelMode.SimpleRangeRemap
};
_channel2 = new DecalLayerChannel();
_channel3 = new DecalLayerChannel();
_channel4 = new DecalLayerChannel();
}
public void Draw([NotNull] SerializedProperty property, [CanBeNull] SerializedProperty mask)
{
var modeProperty = property.FindPropertyRelative(_channelModeProperty);
using (new VerticalStripContext(_color, lineWidth: 2))
{
// Show mode property and show no more UI if it's disabled
if (modeProperty != null)
{
EditorGUILayout.PropertyField(modeProperty);
if ((DecalLayerChannel.DecalChannelMode)modeProperty.enumValueIndex == DecalLayerChannel.DecalChannelMode.Disabled)
{
return;
}
}
using (new EditorGUI.IndentLevelScope())
{
// Show advanced settings if we're explicitly in advanced mode (or we can't tell what the mode is)
var mode = modeProperty != null ? (DecalLayerChannel.DecalChannelMode)modeProperty.enumValueIndex : DecalLayerChannel.DecalChannelMode.AdvancedRangeRemap;
var inThreshold = property.FindPropertyRelative(_inputThresholdProperty);
var inSoftness = property.FindPropertyRelative(_inputSoftnessProperty);
var outRange = property.FindPropertyRelative(_outputRangeProperty);
// Show basic settings
var showInputRange = mode == DecalLayerChannel.DecalChannelMode.SimpleRangeRemap || mode == DecalLayerChannel.DecalChannelMode.AdvancedRangeRemap;
if (showInputRange)
{
EditorGUILayout.PropertyField(inThreshold);
EditorGUILayout.PropertyField(inSoftness);
}
// Show advanced settings if in advanced mode
var showOutputRange = mode == DecalLayerChannel.DecalChannelMode.AdvancedRangeRemap;
if (showOutputRange)
{
EditorGUILayout.PropertyField(outRange);
}
// If we were given no mask then no preview can be rendered, early exit
if (mask == null)
{
return;
}
// Create a list of reasons the visualiser cannot be displayed
var reasons = new List <string>();
if (mask.hasMultipleDifferentValues)
{
reasons.Add("'Layer Mask'");
}
if (showInputRange)
{
if (inThreshold.hasMultipleDifferentValues)
{
reasons.Add("'Input Threshold'");
}
if (inSoftness.hasMultipleDifferentValues)
{
reasons.Add("'Input Softness'");
}
}
if (showOutputRange)
{
if (outRange.hasMultipleDifferentValues)
{
reasons.Add("'Output Range'");
}
}
if (reasons.Count > 0)
{
EditorGUILayout.HelpBox(string.Format("Levels Visualiser unavailable with mixed {0} values", string.Join(", ", reasons.ToArray())), MessageType.Warning);
}
else
{
// Show a foldout section for the preview
if (modeProperty == null || (DecalLayerChannel.DecalChannelMode)modeProperty.enumValueIndex != DecalLayerChannel.DecalChannelMode.Disabled)
{
_showPreview = EditorGUILayout.Foldout(_showPreview, "Levels Visualizer");
}
else
{
_showPreview = false;
}
// Show the preview
if (_showPreview)
{
// Can't initialise this in a field initialiser because Unity won't less this be called in certan contexts
if (_renderUtility == null)
{
_renderUtility = new PreviewRenderUtility(false);
}
// Calculate the area to draw the preview in
const float aspectRatio = 2.2f;
var width = EditorGUIUtility.currentViewWidth - EditorGUIUtility.labelWidth;
var height = width / aspectRatio;
var area = EditorGUILayout.GetControlRect(false, height);
area.yMax -= EditorGUIUtility.singleLineHeight / 2;
area.xMin += EditorGUIUtility.labelWidth;
var iRange = DecalLayerChannel.EvaluateInputRange(mode, inThreshold.floatValue, inSoftness.floatValue);
var oRange = DecalLayerChannel.EvaluateOutputRange(mode, outRange.vector2Value);
DrawLayerPreview(area, _renderUtility, LayerPreview, (Texture2D)mask.objectReferenceValue, iRange, oRange, _weights);
}
}
}
}
}
