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340 lines
13 KiB
340 lines
13 KiB
3 years ago
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace UnityEditor
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{
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internal class EMMaterialInspector : ShaderGUI
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{
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public enum LightingModes {MultiLightLit, MultiLightEmissive, Lit, LitEmissive, Unlit}
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public enum AlphaModes {Fade, Erosion}
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public enum BlendModes {AlphaBlend, Additive, AdditiveSoft} //only for Unlit shader
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private MaterialEditor m_MaterialEditor;
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//Popup properties
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private MaterialProperty m_LightingMode;
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private MaterialProperty m_BlendMode;
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private MaterialProperty m_AlphaMode;
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//Optional properties
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private static class Properties
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{
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public static MaterialProperty m_MainTexture;
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public static MaterialProperty m_HDRMultiplier;
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public static MaterialProperty m_TintColor;
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public static MaterialProperty m_Cutoff;
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public static MaterialProperty m_Thickness;
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public static MaterialProperty m_AlphaTransmitance;
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public static MaterialProperty m_AlphaContrast;
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public static MaterialProperty m_InvFade;
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public static MaterialProperty m_DistanceFadeStart;
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public static MaterialProperty m_DistanceFadeEnd;
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}
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private bool m_AlphaTransmitanceEnabled;
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private bool m_SoftParticlesEnabled;
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private bool m_DistanceFadeEnabled;
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private class Keywords
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{
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public const string AlphaTransmitance = "ALPHATRANSMITANCE_ON";
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public const string SoftParticles = "SOFTPARTICLE_ON";
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public const string DistanceFade = "DISTANCEFADE_ON";
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public const string AlphaErosion = "ALPHAEROSION_ON";
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public const string Emission = "EMISSION_ON";
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public const string Additive = "ADDITIVE_ON";
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}
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private static class Styles
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{
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public static readonly string[] m_LightingNames = Enum.GetNames (typeof (LightingModes));
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public static readonly string[] m_BlendNames = Enum.GetNames (typeof (BlendModes));
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public static readonly string[] m_AlphaNames = Enum.GetNames (typeof (AlphaModes));
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public static string m_LightingPopup = "Lighting Mode";
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public static string m_BlendPopup = "Blend Mode";
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public static string m_AlphaPopup = "Alpha Mode";
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public static string HeaderMain = "Main Settings";
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public static string HeaderOptional = "Additional Settings";
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public static GUIContent m_MainTextureText = new GUIContent ("Main Texture", "Diffuse color (RGB) and Transparency (A)");
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public static GUIContent m_HDRMultiplierText = new GUIContent ("HDR Multiplier", "Emissive color HDR multiplier");
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public static GUIContent m_CutoffText = new GUIContent ("Shadow Cutoff", "How much Transparency affects shadow visibility");
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public static GUIContent m_ThicknessText = new GUIContent ("Thickness", "Light transmittance of particle");
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public static GUIContent m_SoftParticlesToggle = new GUIContent ("Soft Particles");
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public static GUIContent m_AlphaTransmitanceToggle = new GUIContent ("Alpha Channel Light Transmission");
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public static GUIContent m_AlphaTransmitanceText = new GUIContent ("Alpha Influence", "Alpha channel influence on back light transmission");
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public static GUIContent m_AlphaContrastText = new GUIContent ("Alpha Contrast", "Alpha channel contrast");
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public static GUIContent m_InvFadeText = new GUIContent ("Soft Particles Factor", "Soft Particles strength factor");
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public static GUIContent m_DistanceFadeToggle = new GUIContent ("Distance Fade");
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public static GUIContent m_DistanceFadeStartText = new GUIContent ("Fade Start", "Startng fade distance from Camera to particle. Negative values are supported");
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public static GUIContent m_DistanceFadeEndText = new GUIContent ("Fade End", "Ending fade distance from Camera to particle");
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}
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public override void OnGUI (MaterialEditor materialEditor, MaterialProperty[] props)
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{
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m_MaterialEditor = materialEditor;
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Material material = materialEditor.target as Material;
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FindProperties (material, props);
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ShaderPropertiesGUI (material);
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}
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public void FindProperties (Material material, MaterialProperty[] props)
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{
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m_LightingMode = FindProperty ("_LightingMode", props, false);
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m_BlendMode = FindProperty ("_BlendMode", props, false);
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m_AlphaMode = FindProperty ("_AlphaMode", props, false);
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Properties.m_MainTexture = FindProperty ("_MainTex", props);
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Properties.m_HDRMultiplier = FindProperty ("_HDRMultiplier", props, false);
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Properties.m_TintColor = FindProperty ("_TintColor", props);
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Properties.m_Cutoff = FindProperty ("_Cutoff", props, false);
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Properties.m_Thickness = FindProperty ("_Thickness", props, false);
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Properties.m_AlphaTransmitance = FindProperty ("_AlphaInfluence", props, false);
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Properties.m_AlphaContrast = FindProperty ("_AlphaContrast", props, false);
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Properties.m_InvFade = FindProperty ("_InvFade", props, false);
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Properties.m_DistanceFadeStart = FindProperty ("_FadeStart", props, false);
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Properties.m_DistanceFadeEnd = FindProperty ("_FadeEnd", props, false);
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//returns false also when keyword does not exist
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m_AlphaTransmitanceEnabled = material.IsKeywordEnabled ("ALPHATRANSMITANCE_ON") ? true : false;
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m_SoftParticlesEnabled = material.IsKeywordEnabled ("SOFTPARTICLE_ON") ? true : false;
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m_DistanceFadeEnabled = material.IsKeywordEnabled ("DISTANCEFADE_ON") ? true : false;
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}
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public void ShaderPropertiesGUI (Material material)
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{
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EditorGUIUtility.labelWidth = 0f;
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EditorGUI.BeginChangeCheck();
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{
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GUILayout.Label(Styles.HeaderMain, EditorStyles.boldLabel);
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LightingModePopup(material);
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AlphaModePopup(material);
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BlendModePopup(material);
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EditorGUILayout.Space();
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EditorGUILayout.Space();
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m_MaterialEditor.TexturePropertySingleLine(Styles.m_MainTextureText, Properties.m_MainTexture, Properties.m_TintColor);
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m_MaterialEditor.TextureScaleOffsetProperty (Properties.m_MainTexture);
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AdditionalSettings(material);
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}
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}
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private void LightingModePopup(Material material)
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{
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EditorGUI.showMixedValue = m_LightingMode.hasMixedValue;
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var lightingMode = (LightingModes)m_LightingMode.floatValue;
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EditorGUI.BeginChangeCheck ();
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lightingMode = (LightingModes)EditorGUILayout.Popup (Styles.m_LightingPopup, (int)lightingMode, Styles.m_LightingNames);
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if (EditorGUI.EndChangeCheck ()) {
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m_MaterialEditor.RegisterPropertyChangeUndo ("Lighting Mode");
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m_LightingMode.floatValue = (float)lightingMode;
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}
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EditorGUI.showMixedValue = false;
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switch ((int)m_LightingMode.floatValue) {
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case (int)LightingModes.MultiLightLit:
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material.shader = Shader.Find ("Ethical Motion/Particles/Lit MultiLight");
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material.DisableKeyword (Keywords.Emission);
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break;
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case (int)LightingModes.MultiLightEmissive:
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material.shader = Shader.Find ("Ethical Motion/Particles/Lit MultiLight");
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material.EnableKeyword (Keywords.Emission);
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break;
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case (int)LightingModes.Lit:
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material.shader = Shader.Find ("Ethical Motion/Particles/Lit");
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material.DisableKeyword (Keywords.Emission);
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break;
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case (int)LightingModes.LitEmissive:
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material.shader = Shader.Find ("Ethical Motion/Particles/Lit");
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material.EnableKeyword (Keywords.Emission);
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break;
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case (int)LightingModes.Unlit:
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material.DisableKeyword (Keywords.Emission);
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material.shader = Shader.Find ("Ethical Motion/Particles/Unlit");
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break;
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}
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}
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private void BlendModePopup(Material material)
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{
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if ((int)m_LightingMode.floatValue == (int)LightingModes.Unlit)
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{
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EditorGUI.showMixedValue = m_BlendMode.hasMixedValue;
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var blendMode = (BlendModes)m_BlendMode.floatValue;
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EditorGUI.BeginChangeCheck ();
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blendMode = (BlendModes)EditorGUILayout.Popup (Styles.m_BlendPopup, (int)blendMode, Styles.m_BlendNames);
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if (EditorGUI.EndChangeCheck ()) {
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m_MaterialEditor.RegisterPropertyChangeUndo ("Blend Mode");
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m_BlendMode.floatValue = (float)blendMode;
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}
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EditorGUI.showMixedValue = false;
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switch ((int)m_BlendMode.floatValue) {
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case (int)BlendModes.Additive:
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material.SetInt ("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.One);
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material.SetInt ("_BlendDst", (int)UnityEngine.Rendering.BlendMode.One);
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material.EnableKeyword (Keywords.Additive);
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break;
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case (int)BlendModes.AdditiveSoft:
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material.SetInt ("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.OneMinusDstColor);
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material.SetInt ("_BlendDst", (int)UnityEngine.Rendering.BlendMode.One);
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material.EnableKeyword (Keywords.Additive);
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break;
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case (int)BlendModes.AlphaBlend:
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material.SetInt ("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
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material.SetInt ("_BlendDst", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
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material.DisableKeyword (Keywords.Additive);
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break;
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}
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}
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}
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private void AlphaModePopup(Material material)
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{
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EditorGUI.showMixedValue = m_AlphaMode.hasMixedValue;
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var alphaMode = (AlphaModes)m_AlphaMode.floatValue;
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EditorGUI.BeginChangeCheck();
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alphaMode = (AlphaModes)EditorGUILayout.Popup(Styles.m_AlphaPopup, (int)alphaMode, Styles.m_AlphaNames);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Alpha Mode");
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m_AlphaMode.floatValue = (float)alphaMode;
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}
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EditorGUI.showMixedValue = false;
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switch ((int)m_AlphaMode.floatValue)
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{
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case (int)AlphaModes.Erosion:
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material.EnableKeyword(Keywords.AlphaErosion);
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break;
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case (int)AlphaModes.Fade:
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material.DisableKeyword(Keywords.AlphaErosion);
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break;
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}
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}
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private void AdditionalSettings(Material material)
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{
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//----------------------------------------HDR MULTIPLIER
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//----------------------------------------
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if (Properties.m_HDRMultiplier != null)
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{
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if ((LightingModes)m_LightingMode.floatValue == LightingModes.MultiLightEmissive ||
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(LightingModes)m_LightingMode.floatValue == LightingModes.LitEmissive)
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{
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_HDRMultiplierText.text);
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m_MaterialEditor.FloatProperty (Properties.m_HDRMultiplier, Styles.m_HDRMultiplierText.text);
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}
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}
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EditorGUILayout.Space();
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//----------------------------------------SHADOW CUTOFF
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//----------------------------------------
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if (Properties.m_Cutoff != null)
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{
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_CutoffText.text);
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m_MaterialEditor.RangeProperty(Properties.m_Cutoff, Styles.m_CutoffText.text);
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}
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EditorGUILayout.Space();
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//----------------------------------------THICKNESS
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//----------------------------------------
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if (Properties.m_Thickness != null)
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{
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_ThicknessText.text);
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m_MaterialEditor.RangeProperty (Properties.m_Thickness, Styles.m_ThicknessText.text);
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}
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EditorGUILayout.Space();
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//----------------------------------------ALPHA TRANSMITANCE
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//----------------------------------------
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if (Properties.m_AlphaTransmitance != null)
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{
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var backLight = EditorGUILayout.Toggle (Styles.m_AlphaTransmitanceToggle, m_AlphaTransmitanceEnabled);
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if (backLight) {
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material.EnableKeyword (Keywords.AlphaTransmitance);
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_AlphaTransmitanceText.text);
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m_MaterialEditor.RangeProperty(Properties.m_AlphaTransmitance, Styles.m_AlphaTransmitanceText.text);
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_AlphaContrastText.text);
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m_MaterialEditor.RangeProperty(Properties.m_AlphaContrast, Styles.m_AlphaContrastText.text);
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} else
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material.DisableKeyword (Keywords.AlphaTransmitance);
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}
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EditorGUILayout.Space();
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EditorGUILayout.Space();
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//----------------------------------------ADDITIONAL SETTINGS
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//----------------------------------------
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GUILayout.Label(Styles.HeaderOptional, EditorStyles.boldLabel);
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//----------------------------------------SOFT PARTICLES
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//----------------------------------------
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if (Properties.m_InvFade != null)
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{
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var softParticles = EditorGUILayout.Toggle(Styles.m_SoftParticlesToggle, m_SoftParticlesEnabled);
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if (softParticles)
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{
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material.EnableKeyword(Keywords.SoftParticles);
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_InvFadeText.text);
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m_MaterialEditor.RangeProperty(Properties.m_InvFade, Styles.m_InvFadeText.text);
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}
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else material.DisableKeyword(Keywords.SoftParticles);
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}
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EditorGUILayout.Space ();
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//----------------------------------------DISTANCE FADE
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//----------------------------------------
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if (Properties.m_DistanceFadeStart != null && Properties.m_DistanceFadeEnd != null)
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{
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var distanceFade = EditorGUILayout.Toggle(Styles.m_DistanceFadeToggle, m_DistanceFadeEnabled);
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if (distanceFade)
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{
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material.EnableKeyword(Keywords.DistanceFade);
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_DistanceFadeStartText.text);
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m_MaterialEditor.FloatProperty(Properties.m_DistanceFadeStart, Styles.m_DistanceFadeStartText.text);
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m_MaterialEditor.RegisterPropertyChangeUndo (Styles.m_DistanceFadeEndText.text);
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m_MaterialEditor.FloatProperty(Properties.m_DistanceFadeEnd, Styles.m_DistanceFadeEndText.text);
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}
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else material.DisableKeyword(Keywords.DistanceFade);
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}
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}
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}
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}
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