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130 lines
4.8 KiB
130 lines
4.8 KiB
using UnityEngine;
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using UnityEditor;
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namespace SkyboxPlus
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{
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public class GradientsMaterialEditor : ShaderGUI
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{
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MaterialProperty _baseColor;
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MaterialProperty _exposure;
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MaterialProperty _switch2;
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MaterialProperty _switch3;
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MaterialProperty _switch4;
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MaterialProperty _direction1;
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MaterialProperty _direction2;
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MaterialProperty _direction3;
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MaterialProperty _direction4;
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MaterialProperty _color1;
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MaterialProperty _color2;
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MaterialProperty _color3;
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MaterialProperty _color4;
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MaterialProperty _exponent1;
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MaterialProperty _exponent2;
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MaterialProperty _exponent3;
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MaterialProperty _exponent4;
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bool _initial = true;
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void FindProperties(MaterialProperty[] props)
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{
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_baseColor = FindProperty("_BaseColor", props);
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_exposure = FindProperty("_Exposure", props);
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_switch2 = FindProperty("_Switch2", props);
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_switch3 = FindProperty("_Switch3", props);
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_switch4 = FindProperty("_Switch4", props);
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_direction1 = FindProperty("_Direction1", props);
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_direction2 = FindProperty("_Direction2", props);
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_direction3 = FindProperty("_Direction3", props);
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_direction4 = FindProperty("_Direction4", props);
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_color1 = FindProperty("_Color1", props);
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_color2 = FindProperty("_Color2", props);
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_color3 = FindProperty("_Color3", props);
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_color4 = FindProperty("_Color4", props);
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_exponent1 = FindProperty("_Exponent1", props);
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_exponent2 = FindProperty("_Exponent2", props);
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_exponent3 = FindProperty("_Exponent3", props);
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_exponent4 = FindProperty("_Exponent4", props);
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}
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public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] properties)
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{
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FindProperties(properties);
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if (ShaderPropertiesGUI(materialEditor) || _initial)
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foreach (Material m in materialEditor.targets)
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UpdateMaterial(m);
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_initial = false;
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}
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bool ShaderPropertiesGUI(MaterialEditor materialEditor)
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{
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EditorGUI.BeginChangeCheck();
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materialEditor.ShaderProperty(_baseColor, "Base Color");
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materialEditor.ShaderProperty(_exposure, "Exposure");
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EditorGUILayout.Space();
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EditorGUILayout.LabelField("Gradient 1");
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Vector3Property(materialEditor, _direction1, "Direction");
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materialEditor.ShaderProperty(_color1, "Color");
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materialEditor.ShaderProperty(_exponent1, "Exponent");
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EditorGUILayout.Space();
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materialEditor.ShaderProperty(_switch2, "Gradient 2");
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if (_switch2.floatValue > 0)
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{
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Vector3Property(materialEditor, _direction2, "Direction");
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materialEditor.ShaderProperty(_color2, "Color");
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materialEditor.ShaderProperty(_exponent2, "Exponent");
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EditorGUILayout.Space();
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}
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materialEditor.ShaderProperty(_switch3, "Gradient 3");
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if (_switch3.floatValue > 0)
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{
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Vector3Property(materialEditor, _direction3, "Direction");
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materialEditor.ShaderProperty(_color3, "Color");
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materialEditor.ShaderProperty(_exponent3, "Exponent");
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EditorGUILayout.Space();
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}
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materialEditor.ShaderProperty(_switch4, "Gradient 4");
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if (_switch4.floatValue > 0)
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{
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Vector3Property(materialEditor, _direction4, "Direction");
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materialEditor.ShaderProperty(_color4, "Color");
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materialEditor.ShaderProperty(_exponent4, "Exponent");
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}
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return EditorGUI.EndChangeCheck();
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}
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void Vector3Property(MaterialEditor materialEditor, MaterialProperty prop, string label)
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{
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EditorGUI.BeginChangeCheck();
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EditorGUI.showMixedValue = prop.hasMixedValue;
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var newValue = EditorGUILayout.Vector3Field(label, prop.vectorValue);
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EditorGUI.showMixedValue = false;
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if (EditorGUI.EndChangeCheck()) prop.vectorValue = newValue;
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}
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void UpdateMaterial(Material m)
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{
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Vector3 d1 = m.GetVector("_Direction1");
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Vector3 d2 = m.GetVector("_Direction2");
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Vector3 d3 = m.GetVector("_Direction3");
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Vector3 d4 = m.GetVector("_Direction4");
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m.SetVector("_NormalizedVector1", d1.normalized);
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m.SetVector("_NormalizedVector2", d2.normalized);
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m.SetVector("_NormalizedVector3", d3.normalized);
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m.SetVector("_NormalizedVector4", d4.normalized);
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}
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}
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}
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