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76 行
2.8 KiB
76 行
2.8 KiB
using System;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.Experimental.Rendering;
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public class LightweightUnlitGUI : LightweightShaderGUI
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{
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private MaterialProperty mainTexProp;
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private MaterialProperty mainColorProp;
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private MaterialProperty sampleGIProp;
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private MaterialProperty bumpMap;
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private static class Styles
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{
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public static GUIContent[] mainTexLabels =
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{
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new GUIContent("MainTex (RGB)", "Base Color"),
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new GUIContent("MainTex (RGB) Alpha (A)", "Base Color and Alpha")
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};
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public static string surfaceProperties = "Surface Properties";
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public static GUIContent normalMapLabel = new GUIContent("Normal Map", "Normal Map");
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public static GUIContent sampleGILabel = new GUIContent("Sample GI", "If enabled GI will be sampled from SH or Lightmap.");
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}
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public override void FindProperties(MaterialProperty[] properties)
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{
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base.FindProperties(properties);
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mainTexProp = FindProperty("_MainTex", properties);
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mainColorProp = FindProperty("_Color", properties);
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sampleGIProp = FindProperty("_SampleGI", properties, false);
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bumpMap = FindProperty("_BumpMap", properties, false);
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}
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public override void ShaderPropertiesGUI(Material material)
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{
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EditorGUI.BeginChangeCheck();
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{
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base.ShaderPropertiesGUI(material);
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GUILayout.Label(Styles.surfaceProperties, EditorStyles.boldLabel);
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int surfaceTypeValue = (int)surfaceTypeProp.floatValue;
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if (alphaClipProp.floatValue >= 1.0f)
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surfaceTypeValue = 1;
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GUIContent mainTexLabel = Styles.mainTexLabels[Math.Min(surfaceTypeValue, 1)];
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m_MaterialEditor.TexturePropertySingleLine(mainTexLabel, mainTexProp, mainColorProp);
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EditorGUILayout.Space();
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m_MaterialEditor.ShaderProperty(sampleGIProp, Styles.sampleGILabel);
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if (sampleGIProp.floatValue >= 1.0)
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m_MaterialEditor.TexturePropertySingleLine(Styles.normalMapLabel, bumpMap);
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m_MaterialEditor.TextureScaleOffsetProperty(mainTexProp);
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}
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if (EditorGUI.EndChangeCheck())
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{
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foreach (var target in blendModeProp.targets)
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MaterialChanged((Material)target);
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}
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DoMaterialRenderingOptions();
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}
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public override void MaterialChanged(Material material)
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{
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material.shaderKeywords = null;
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SetupMaterialBlendMode(material);
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SetMaterialKeywords(material);
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}
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static void SetMaterialKeywords(Material material)
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{
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bool sampleGI = material.GetFloat("_SampleGI") >= 1.0f;
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CoreUtils.SetKeyword(material, "_SAMPLE_GI", sampleGI);
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CoreUtils.SetKeyword(material, "_NORMAL_MAP", sampleGI && material.GetTexture("_BumpMap"));
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}
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}
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