{
public abstract class BaseUnlitGUI : ShaderGUI
{
public enum SurfaceType
{
Opaque ,
Transparent
}
public enum BlendMode
{
Lerp ,
Add ,
SoftAdd ,
Multiply ,
Premultiply
}
public enum DoubleSidedMode
{
None ,
DoubleSided
}
public static string OptionText = "Options" ;
public static string SurfaceTypeText = "Surface Type" ;
public static string BlendModeText = "Blend Mode" ;
public static string optionText = "Options" ;
public static string surfaceTypeText = "Surface Type" ;
public static string blendModeText = "Blend Mode" ;
public static GUIContent distortionEnableText = new GUIContent ( "Distortion" , "Enable distortion on this shader" ) ;
public static GUIContent distortionOnlyText = new GUIContent ( "Distortion Only" , "This shader will only be use to render distortion" ) ;
public static GUIContent distortionDepthTestText = new GUIContent ( "Distortion Depth Test" , "Enable the depth test for distortion" ) ;
public static readonly string [ ] surfaceTypeNames = Enum . GetNames ( typeof ( SurfaceType ) ) ;
public static readonly string [ ] blendModeNames = Enum . GetNames ( typeof ( BlendMode ) ) ;
public static GUIContent emissiveText = new GUIContent ( "Emissive Color" , "Emissive" ) ;
public static GUIContent emissiveIntensityText = new GUIContent ( "Emissive Intensity" , "Emissive" ) ;
}
MaterialProperty surfaceType = null ;
MaterialProperty blendMode = null ;
MaterialProperty alphaCutoff = null ;
MaterialProperty alphaCutoffEnable = null ;
MaterialProperty doubleSidedMode = null ;
protected const string kSurfaceType = "_SurfaceType" ;
protected const string kBlendMode = "_BlendMode" ;
protected const string kAlphaCutoff = "_AlphaCutoff" ;
protected const string kAlphaCutoffEnabled = "_AlphaCutoffEnable" ;
protected const string kDoubleSidedMode = "_DoubleSidedMode" ;
protected MaterialEditor m_MaterialEditor ;
public static GUIContent emissiveWarning = new GUIContent ( "Emissive value is animated but the material has not been configured to support emissive. Please make sure the material itself has some amount of emissive." ) ;
public static GUIContent emissiveColorWarning = new GUIContent ( "Ensure emissive color is non-black for emission to have effect." ) ;
public void FindCommonOptionProperties ( MaterialProperty [ ] props )
{
surfaceType = FindProperty ( kSurfaceType , props ) ;
blendMode = FindProperty ( kBlendMode , props ) ;
alphaCutoff = FindProperty ( kAlphaCutoff , props ) ;
alphaCutoffEnable = FindProperty ( kAlphaCutoffEnabled , props ) ;
doubleSidedMode = FindProperty ( kDoubleSidedMode , props ) ;
public override void OnGUI ( MaterialEditor materialEditor , MaterialProperty [ ] props )
public enum SurfaceType
FindCommonOptionProperties ( props ) ; // MaterialProperties can be animated so we do not cache them but fetch them every event to ensure animated values are updated correctly
FindMaterialProperties ( props ) ;
m_MaterialEditor = materialEditor ;
Material material = materialEditor . target as Material ;
ShaderPropertiesGUI ( material ) ;
Opaque ,
Transparent
protected void ShaderOptionsGUI ( )
public enum BlendMode
EditorGUI . indentLevel + + ;
GUILayout . Label ( Styles . OptionText , EditorStyles . boldLabel ) ;
SurfaceTypePopup ( ) ;
if ( ( SurfaceType ) surfaceType . floatValue = = SurfaceType . Transparent )
{
BlendModePopup ( ) ;
}
m_MaterialEditor . ShaderProperty ( alphaCutoffEnable , Styles . alphaCutoffEnableText . text ) ;
if ( alphaCutoffEnable . floatValue = = 1.0 )
{
m_MaterialEditor . ShaderProperty ( alphaCutoff , Styles . alphaCutoffText . text ) ;
}
m_MaterialEditor . ShaderProperty ( doubleSidedMode , Styles . doubleSidedModeText . text ) ;
EditorGUI . indentLevel - - ;
Lerp ,
Add ,
SoftAdd ,
Multiply ,
Premultiply
public void ShaderPropertiesGUI ( Material material )
public enum DoubleSidedMode
// Use default labelWidth
EditorGUIUtility . labelWidth = 0f ;
// Detect any changes to the material
EditorGUI . BeginChangeCheck ( ) ;
{
ShaderOptionsGUI ( ) ;
EditorGUILayout . Space ( ) ;
ShaderInputOptionsGUI ( ) ;
EditorGUILayout . Space ( ) ;
ShaderInputGUI ( ) ;
}
if ( EditorGUI . EndChangeCheck ( ) )
{
foreach ( var obj in m_MaterialEditor . targets )
SetupMaterialKeywords ( ( Material ) obj ) ;
}
None ,
DoubleSided
// TODO: try to setup minimun value to fall back to standard shaders and reverse
public override void AssignNewShaderToMaterial ( Material material , Shader oldShader , Shader newShader )
{
base . AssignNewShaderToMaterial ( material , oldShader , newShader ) ;
}
void SurfaceTypePopup ( )
void SurfaceTypePopup ( )
mode = ( SurfaceType ) EditorGUILayout . Popup ( Styles . SurfaceTypeText , ( int ) mode , Styles . surfaceTypeNames ) ;
mode = ( SurfaceType ) EditorGUILayout . Popup ( Styles . surfaceTypeText , ( int ) mode , Styles . surfaceTypeNames ) ;
if ( EditorGUI . EndChangeCheck ( ) )
{
m_MaterialEditor . RegisterPropertyChangeUndo ( "Surface Type" ) ;
var mode = ( BlendMode ) blendMode . floatValue ;
EditorGUI . BeginChangeCheck ( ) ;
mode = ( BlendMode ) EditorGUILayout . Popup ( Styles . B lendModeText, ( int ) mode , Styles . blendModeNames ) ;
mode = ( BlendMode ) EditorGUILayout . Popup ( Styles . b lendModeText, ( int ) mode , Styles . blendModeNames ) ;
if ( EditorGUI . EndChangeCheck ( ) )
{
m_MaterialEditor . RegisterPropertyChangeUndo ( "Blend Mode" ) ;
EditorGUI . showMixedValue = false ;
}
protected void ShaderOptionsGUI ( )
{
EditorGUI . indentLevel + + ;
GUILayout . Label ( Styles . optionText , EditorStyles . boldLabel ) ;
SurfaceTypePopup ( ) ;
if ( ( SurfaceType ) surfaceType . floatValue = = SurfaceType . Transparent )
{
BlendModePopup ( ) ;
m_MaterialEditor . ShaderProperty ( distortionEnable , Styles . distortionEnableText . text ) ;
if ( distortionEnable . floatValue = = 1.0 )
{
m_MaterialEditor . ShaderProperty ( distortionOnly , Styles . distortionOnlyText . text ) ;
m_MaterialEditor . ShaderProperty ( distortionDepthTest , Styles . distortionDepthTestText . text ) ;
}
}
m_MaterialEditor . ShaderProperty ( alphaCutoffEnable , Styles . alphaCutoffEnableText . text ) ;
if ( alphaCutoffEnable . floatValue = = 1.0 )
{
m_MaterialEditor . ShaderProperty ( alphaCutoff , Styles . alphaCutoffText . text ) ;
}
m_MaterialEditor . ShaderProperty ( doubleSidedMode , Styles . doubleSidedModeText . text ) ;
EditorGUI . indentLevel - - ;
}
public void FindCommonOptionProperties ( MaterialProperty [ ] props )
{
surfaceType = FindProperty ( kSurfaceType , props ) ;
blendMode = FindProperty ( kBlendMode , props ) ;
alphaCutoff = FindProperty ( kAlphaCutoff , props ) ;
alphaCutoffEnable = FindProperty ( kAlphaCutoffEnabled , props ) ;
doubleSidedMode = FindProperty ( kDoubleSidedMode , props ) ;
distortionEnable = FindProperty ( kDistortionEnable , props ) ;
distortionOnly = FindProperty ( kDistortionOnly , props ) ;
distortionDepthTest = FindProperty ( kDistortionDepthTest , props ) ;
}
protected void SetupCommonOptionsKeywords ( Material material )
{
// Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation
SetKeyword ( material , "_ALPHATEST_ON" , alphaTestEnable ) ;
// Setup lightmap emissive flags
MaterialGlobalIlluminationFlags flags = material . globalIlluminationFlags ;
if ( ( flags & ( MaterialGlobalIlluminationFlags . BakedEmissive | MaterialGlobalIlluminationFlags . RealtimeEmissive ) ) ! = 0 )
bool distortionEnable = material . GetFloat ( kDistortionEnable ) = = 1.0 ;
bool distortionOnly = material . GetFloat ( kDistortionOnly ) = = 1.0 ;
bool distortionDepthTest = material . GetFloat ( kDistortionDepthTest ) = = 1.0 ;
if ( distortionEnable )
if ( ShouldEmissionBeEnabled ( material ) )
flags & = ~ MaterialGlobalIlluminationFlags . EmissiveIsBlack ;
else
flags | = MaterialGlobalIlluminationFlags . EmissiveIsBlack ;
material . SetShaderPassEnabled ( "DistortionVectors" , true ) ;
}
else
{
material . SetShaderPassEnabled ( "DistortionVectors" , false ) ;
}
material . globalIlluminationFlags = flags ;
if ( distortionEnable & & distortionOnly )
{
// Disable all passes except dbug material
material . SetShaderPassEnabled ( "DebugViewMaterial" , true ) ;
material . SetShaderPassEnabled ( "Meta" , false ) ;
material . SetShaderPassEnabled ( "Forward" , false ) ;
material . SetShaderPassEnabled ( "ForwardOnlyOpaque" , false ) ;
}
else
{
material . SetShaderPassEnabled ( "DebugViewMaterial" , true ) ;
material . SetShaderPassEnabled ( "Meta" , true ) ;
material . SetShaderPassEnabled ( "Forward" , true ) ;
material . SetShaderPassEnabled ( "ForwardOnlyOpaque" , true ) ;
}
if ( distortionDepthTest )
{
material . SetInt ( "_ZTestMode" , ( int ) UnityEngine . Rendering . CompareFunction . LessEqual ) ;
else
{
material . SetInt ( "_ZTestMode" , ( int ) UnityEngine . Rendering . CompareFunction . Always ) ;
}
SetKeyword ( material , "_DISTORTION_ON" , distortionEnable ) ;
SetupEmissionGIFlags ( material ) ;
protected void SetKeyword ( Material m , string keyword , bool state )
{
if ( state )
m . EnableKeyword ( keyword ) ;
else
m . DisableKeyword ( keyword ) ;
}
public void ShaderPropertiesGUI ( Material material )
{
// Use default labelWidth
EditorGUIUtility . labelWidth = 0f ;
// Detect any changes to the material
EditorGUI . BeginChangeCheck ( ) ;
{
ShaderOptionsGUI ( ) ;
EditorGUILayout . Space ( ) ;
ShaderInputOptionsGUI ( ) ;
EditorGUILayout . Space ( ) ;
ShaderInputGUI ( ) ;
}
if ( EditorGUI . EndChangeCheck ( ) )
{
foreach ( var obj in m_MaterialEditor . targets )
SetupMaterialKeywords ( ( Material ) obj ) ;
}
}
public override void OnGUI ( MaterialEditor materialEditor , MaterialProperty [ ] props )
{
FindCommonOptionProperties ( props ) ; // MaterialProperties can be animated so we do not cache them but fetch them every event to ensure animated values are updated correctly
FindMaterialProperties ( props ) ;
m_MaterialEditor = materialEditor ;
Material material = materialEditor . target as Material ;
ShaderPropertiesGUI ( material ) ;
}
// TODO: ? or remove
bool HasValidEmissiveKeyword ( Material material )
{
/ *
return true ;
}
protected void SetKeyword ( Material m , string keyword , bool state )
protected virtual void SetupEmissionGIFlags ( Material material )
if ( state )
m . EnableKeyword ( keyword ) ;
else
m . DisableKeyword ( keyword ) ;
// Setup lightmap emissive flags
MaterialGlobalIlluminationFlags flags = material . globalIlluminationFlags ;
if ( ( flags & ( MaterialGlobalIlluminationFlags . BakedEmissive | MaterialGlobalIlluminationFlags . RealtimeEmissive ) ) ! = 0 )
{
if ( ShouldEmissionBeEnabled ( material ) )
flags & = ~ MaterialGlobalIlluminationFlags . EmissiveIsBlack ;
else
flags | = MaterialGlobalIlluminationFlags . EmissiveIsBlack ;
material . globalIlluminationFlags = flags ;
}
protected MaterialEditor m_MaterialEditor ;
MaterialProperty surfaceType = null ;
protected const string kSurfaceType = "_SurfaceType" ;
MaterialProperty blendMode = null ;
protected const string kBlendMode = "_BlendMode" ;
MaterialProperty alphaCutoff = null ;
protected const string kAlphaCutoff = "_AlphaCutoff" ;
MaterialProperty alphaCutoffEnable = null ;
protected const string kAlphaCutoffEnabled = "_AlphaCutoffEnable" ;
MaterialProperty doubleSidedMode = null ;
protected const string kDoubleSidedMode = "_DoubleSidedMode" ;
MaterialProperty distortionEnable = null ;
const string kDistortionEnable = "_DistortionEnable" ;
MaterialProperty distortionOnly = null ;
const string kDistortionOnly = "_DistortionOnly" ;
MaterialProperty distortionDepthTest = null ;
const string kDistortionDepthTest = "_DistortionDepthTest" ;
protected static string [ ] reservedProperties = new string [ ] { kSurfaceType , kBlendMode , kAlphaCutoff , kAlphaCutoffEnabled , kDoubleSidedMode } ;
protected abstract void FindMaterialProperties ( MaterialProperty [ ] props ) ;
protected abstract void ShaderInputGUI ( ) ;
sebastienlagarde
8 年前
