NB_FX
This commit is contained in:
SoulliesOfficial
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using System;
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using UnityEditor;
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using UnityEngine;
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namespace NBShaderEditor
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{
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public class ShaderGUIFloatItem:ShaderGUIItem
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{
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private readonly Func<bool> _isVisible;
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public ShaderGUIFloatItem(ShaderGUIRootItem rootItem, ShaderGUIItem parentItem, Func<bool> isVisible = null) :
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base(rootItem, parentItem: parentItem)
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{
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_isVisible = isVisible;
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base.InitTriggerByChild();
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}
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public override void OnGUI()
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{
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if (_isVisible != null && !_isVisible())
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{
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return;
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}
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base.OnGUI();
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}
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public override void DrawController()
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{
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float value = DraggableLabelFloat.Handle(LabelRect, PropertyInfo.Property.floatValue, sensitivity: -1f);//拖动Label控件可以操作Float参数
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value = EditorGUI.FloatField(ControlRect, value);
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SetFloatIfDifferent(PropertyInfo.Property, value);
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}
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}
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public class ShaderGUISliderItem:ShaderGUIItem
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{
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public float Min = 0;
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public float Max = 1;
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public string RangePropertyName;
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ShaderPropertyInfo _rangePropertyInfo;
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private readonly Func<bool> _isVisible;
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private const float SliderFrontGap = 5f;
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private const float SliderBackGap = 2f;
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private const float RangeFieldWidth = 30f;
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public override void InitTriggerByChild()
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{
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if (RangePropertyName != null)
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{
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_rangePropertyInfo = RootItem.PropertyInfoDic[RangePropertyName];
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Min = _rangePropertyInfo.Property.vectorValue.x;
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Max = _rangePropertyInfo.Property.vectorValue.y;
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}
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base.InitTriggerByChild();
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}
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public ShaderGUISliderItem(ShaderGUIRootItem rootItem, ShaderGUIItem parentItem, Func<bool> isVisible = null) :
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base(rootItem, parentItem: parentItem)
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{
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_isVisible = isVisible;
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}
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public override void OnGUI()
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{
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if (_isVisible != null && !_isVisible())
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{
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return;
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}
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if (_rangePropertyInfo == null)
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{
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base.OnGUI();
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return;
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}
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GetRect();
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using (ParentControlDisabledScope())
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{
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EditorGUI.LabelField(LabelRect, GuiContent);
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}
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using (ParentControlDisabledScope())
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{
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EditorGUI.BeginChangeCheck();
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using (new EditorGUIIndentLevelScope(0))
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{
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DrawController();
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}
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EditorGUI.showMixedValue = false;
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if (EditorGUI.EndChangeCheck())
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{
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OnEndChange();
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}
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}
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DrawResetButton();
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DrawBlock();
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}
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public override void DrawController()
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{
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if (_rangePropertyInfo != null)
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{
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Rect minRect = ControlRect;
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minRect.width = RangeFieldWidth;
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Rect maxRect = ControlRect;
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maxRect.x = ControlRect.xMax - RangeFieldWidth;
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maxRect.width = RangeFieldWidth;
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Rect sliderRect = ControlRect;
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sliderRect.x = minRect.xMax + SliderFrontGap;
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sliderRect.width = Mathf.Max(0f, maxRect.x - sliderRect.x - SliderBackGap + EditorGUI.indentLevel * UnityEditorGUIIndentWidth);
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RangeVecHasMixedValue(out bool minValueHasMixed,out bool maxValueHasMixed);
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Vector4 rangeVector = _rangePropertyInfo.Property.vectorValue;
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float min = rangeVector.x;
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float max = rangeVector.y;
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EditorGUI.showMixedValue = minValueHasMixed;
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bool minAnimatedScope = BeginAnimatedPropertyBackground(minRect, _rangePropertyInfo.Property);
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min = EditorGUI.FloatField(minRect, min);
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EndAnimatedPropertyBackground(minAnimatedScope);
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EditorGUI.showMixedValue = maxValueHasMixed;
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bool maxAnimatedScope = BeginAnimatedPropertyBackground(maxRect, _rangePropertyInfo.Property);
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max = EditorGUI.FloatField(maxRect, max);
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EndAnimatedPropertyBackground(maxAnimatedScope);
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rangeVector.x = min;
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rangeVector.y = max;
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SetVectorIfDifferent(_rangePropertyInfo.Property, rangeVector);
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float sliderMin = Mathf.Min(min, max);
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float sliderMax = Mathf.Max(min, max);
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float value = DraggableLabelFloat.Handle(
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LabelRect,
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PropertyInfo.Property.floatValue,
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DraggableLabelFloat.GetSensitivityByRange(sliderMin, sliderMax),
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sliderMin,
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sliderMax);
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EditorGUI.showMixedValue = PropertyInfo.Property.hasMixedValue;
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bool sliderAnimatedScope = BeginAnimatedPropertyBackground(sliderRect, PropertyInfo.Property);
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value = SliderNoIndent(sliderRect, value, sliderMin, sliderMax);
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EndAnimatedPropertyBackground(sliderAnimatedScope);
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SetFloatIfDifferent(PropertyInfo.Property, Mathf.Clamp(value, sliderMin, sliderMax));
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EditorGUI.showMixedValue = false;
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}
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else
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{
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float value = DraggableLabelFloat.Handle(
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LabelRect,
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PropertyInfo.Property.floatValue,
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DraggableLabelFloat.GetSensitivityByRange(Min, Max),
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Min,
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Max);
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value = EditorGUI.Slider(ControlRect, value,Min,Max);
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SetFloatIfDifferent(PropertyInfo.Property, value);
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}
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}
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private static float SliderNoIndent(Rect rect, float value, float min, float max)
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{
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int indentLevel = EditorGUI.indentLevel;
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try
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{
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EditorGUI.indentLevel = 0;
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return EditorGUI.Slider(rect, value, min, max);
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}
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finally
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{
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EditorGUI.indentLevel = indentLevel;
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}
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}
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void RangeVecHasMixedValue( out bool minValueHasMixed, out bool maxValueHasMixed)
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{
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minValueHasMixed = false;
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maxValueHasMixed = false;
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if (RootItem.Mats.Count > 1)
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{
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MaterialProperty rangeProperty = _rangePropertyInfo.Property;
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float minValue = 0;
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float maxValue = 0;
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for (int i = 0; i < RootItem.Mats.Count; i++)
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{
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Vector4 rangeVec = RootItem.Mats[i].GetVector(RangePropertyName);
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if (i == 0)
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{
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minValue = rangeVec.x;
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maxValue = rangeVec.y;
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}
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else
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{
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if (!Mathf.Approximately(minValue, rangeVec.x))
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{
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minValueHasMixed = true;
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}
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if (!Mathf.Approximately(maxValue, rangeVec.y))
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{
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maxValueHasMixed = true;
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}
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}
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}
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}
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}
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bool RangePropIsDefaultValue()
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{
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MaterialProperty rangeProperty = _rangePropertyInfo.Property;
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return rangeProperty.vectorValue == RootItem.Shader.GetPropertyDefaultVectorValue(_rangePropertyInfo.Index) && !rangeProperty.hasMixedValue;
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}
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public override void CheckIsPropertyModified(bool isCallByChild = false)
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{
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if (RangePropertyName != null)
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{
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if (!isCallByChild) //只有自身Reset了，才需要查询自己的状态是否正确
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{
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bool isDefaultValue = true;
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float defaultValue = RootItem.Shader.GetPropertyDefaultFloatValue(PropertyInfo.Index);
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isDefaultValue = Mathf.Approximately(PropertyInfo.Property.floatValue, defaultValue);
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Vector4 defaultRangeVec = RootItem.Shader.GetPropertyDefaultVectorValue(_rangePropertyInfo.Index);
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isDefaultValue &= _rangePropertyInfo.Property.vectorValue == defaultRangeVec;
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base.CheckIsPropertyModified(isCallByChild);
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if (isDefaultValue == PropertyIsDefaultValue)
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{
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return; //如果状态没有改变，就不需要做任何操作
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}
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else
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{
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PropertyIsDefaultValue = isDefaultValue;
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}
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}
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HasModified = !PropertyIsDefaultValue;
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foreach (var childItem in ChildrenItemList)
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{
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HasModified |= childItem.HasModified;
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}
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ParentItem?.CheckIsPropertyModified(true);
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}
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else
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{
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base.CheckIsPropertyModified(isCallByChild);
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}
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}
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public override void ExecuteReset(bool isCallByParent = false)
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{
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if (RangePropertyName != null)
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{
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PropertyInfo.Property.floatValue = RootItem.Shader.GetPropertyDefaultFloatValue(PropertyInfo.Index);
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_rangePropertyInfo.Property.vectorValue =
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RootItem.Shader.GetPropertyDefaultVectorValue(_rangePropertyInfo.Index);
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PropertyIsDefaultValue = true;
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foreach (var childItem in ChildrenItemList)
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{
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childItem.ExecuteReset(true);
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}
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HasModified = false;
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if (!isCallByParent) //直接由用户触发重置
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{
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ParentItem?.CheckIsPropertyModified(true);
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}
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}
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else
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{
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base.ExecuteReset(isCallByParent);
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}
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}
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}
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//用于滑动控制Label的方案。
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// DraggableLabelFloat.cs
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public static class DraggableLabelFloat
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{
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// 为每个控件实例缓存一次拖拽状态
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private static readonly System.Collections.Generic.Dictionary<int, DragState> s_Drag =
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new System.Collections.Generic.Dictionary<int, DragState>();
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private class DragState
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{
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public float startValue;
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public float dragX; // 累计水平位移（单位：像素）
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}
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public static float Handle(Rect labelRect, float value, float sensitivity = -1f, float? min = null, float? max = null)
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{
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if (!GUI.enabled)
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{
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return value;
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}
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EditorGUIUtility.AddCursorRect(labelRect, MouseCursor.SlideArrow);
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int id = GUIUtility.GetControlID(FocusType.Passive, labelRect);
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Event e = Event.current;
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switch (e.GetTypeForControl(id))
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{
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case EventType.MouseDown:
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if (labelRect.Contains(e.mousePosition) && e.button == 0)
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{
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GUIUtility.hotControl = id;
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e.Use();
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EditorGUIUtility.SetWantsMouseJumping(1);
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s_Drag[id] = new DragState
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{
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startValue = value,
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dragX = 0f
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};
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}
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break;
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case EventType.MouseDrag:
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if (GUIUtility.hotControl == id && s_Drag.TryGetValue(id, out var st))
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{
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// 关键：使用 Event.delta 累加位移，兼容越界/跳回
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st.dragX += e.delta.x;
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float baseSens = sensitivity > 0f
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? sensitivity
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: 0.003f * Mathf.Max(1f, Mathf.Abs(st.startValue));
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float modifier = 1f;
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if (e.shift) modifier *= 0.1f;
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if (e.control || e.command) modifier *= 10f;
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float accel = 1f + 0.15f * Mathf.Clamp01(Mathf.Abs(st.dragX) / 50f);
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float newValue = st.startValue + st.dragX * baseSens * modifier * accel;
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if (min.HasValue) newValue = Mathf.Max(min.Value, newValue);
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if (max.HasValue) newValue = Mathf.Min(max.Value, newValue);
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if (!float.IsNaN(newValue) && !float.IsInfinity(newValue) && !Mathf.Approximately(newValue, value))
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{
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GUI.changed = true;
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value = newValue;
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}
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e.Use();
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}
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break;
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case EventType.MouseUp:
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if (GUIUtility.hotControl == id)
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{
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GUIUtility.hotControl = 0;
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EditorGUIUtility.SetWantsMouseJumping(0);
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s_Drag.Remove(id);
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e.Use();
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}
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break;
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case EventType.KeyDown:
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// 可选：ESC 取消拖拽并还原
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if (GUIUtility.hotControl == id && e.keyCode == KeyCode.Escape && s_Drag.TryGetValue(id, out var st2))
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{
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value = st2.startValue;
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GUI.changed = true;
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GUIUtility.hotControl = 0;
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EditorGUIUtility.SetWantsMouseJumping(0);
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s_Drag.Remove(id);
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e.Use();
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}
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break;
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}
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return value;
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}
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public static float GetSensitivityByRange(float min, float max)
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{
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float range = Mathf.Abs(max - min);
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if (float.IsNaN(range) || float.IsInfinity(range) || Mathf.Approximately(range, 0f))
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{
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return -1f;
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}
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return range * 0.003f;
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}
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}
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}
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