using System; using UnityEngine; using UnityEngine.Experimental.Rendering; using UnityEngine.Experimental.Rendering.HDPipeline; namespace UnityEditor.Experimental.Rendering.HDPipeline { public class DecalUI : ShaderGUI { protected static class Styles { public static string InputsText = "Inputs"; public static GUIContent baseColorText = new GUIContent("Base Color + Blend", "Albedo (RGB) and Blend Factor (A)"); public static GUIContent normalMapText = new GUIContent("Normal Map", "Normal Map (BC7/BC5/DXT5(nm))"); public static GUIContent decalBlendText = new GUIContent("Decal Blend", "Combines with Base Color (A)"); } protected MaterialProperty baseColorMap = new MaterialProperty(); protected const string kBaseColorMap = "_BaseColorMap"; protected MaterialProperty normalMap = new MaterialProperty(); protected const string kNormalMap = "_NormalMap"; protected MaterialProperty decalBlend = new MaterialProperty(); protected const string kDecalBlend = "_DecalBlend"; protected MaterialEditor m_MaterialEditor; // This is call by the inspector void FindMaterialProperties(MaterialProperty[] props) { baseColorMap = FindProperty(kBaseColorMap, props); normalMap = FindProperty(kNormalMap, props); decalBlend = FindProperty(kDecalBlend, props); } // All Setup Keyword functions must be static. It allow to create script to automatically update the shaders with a script if code change static public void SetupMaterialKeywordsAndPass(Material material) { CoreUtils.SetKeyword(material, "_COLORMAP", material.GetTexture(kBaseColorMap)); CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap)); } protected void SetupMaterialKeywordsAndPassInternal(Material material) { SetupMaterialKeywordsAndPass(material); } public void ShaderPropertiesGUI(Material material) { // Use default labelWidth EditorGUIUtility.labelWidth = 0f; // Detect any changes to the material EditorGUI.BeginChangeCheck(); { EditorGUILayout.LabelField(Styles.InputsText, EditorStyles.boldLabel); EditorGUI.indentLevel++; m_MaterialEditor.TexturePropertySingleLine(Styles.baseColorText, baseColorMap); m_MaterialEditor.TexturePropertySingleLine(Styles.normalMapText, normalMap); m_MaterialEditor.ShaderProperty(decalBlend, Styles.decalBlendText); EditorGUI.indentLevel--; } if (EditorGUI.EndChangeCheck()) { foreach (var obj in m_MaterialEditor.targets) SetupMaterialKeywordsAndPassInternal((Material)obj); } } public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] props) { m_MaterialEditor = materialEditor; // We should always do this call at the beginning m_MaterialEditor.serializedObject.Update(); FindMaterialProperties(props); Material material = materialEditor.target as Material; ShaderPropertiesGUI(material); // We should always do this call at the end m_MaterialEditor.serializedObject.ApplyModifiedProperties(); } } }