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- // Amplify Shader Editor - Visual Shader Editing Tool
- // Copyright (c) Amplify Creations, Lda <info@amplify.pt>
- using System;
- using UnityEngine;
- using UnityEditor;
-
- namespace AmplifyShaderEditor
- {
- [Serializable]
- class ColorMaskHelper
- {
- private GUIContent ColorMaskContent = new GUIContent( "Color Mask", "Sets color channel writing mask, turning all off makes the object completely invisible\nDefault: RGBA" );
- private readonly char[] m_colorMaskChar = { 'R', 'G', 'B', 'A' };
-
- private GUIStyle m_leftToggleColorMask;
- private GUIStyle m_middleToggleColorMask;
- private GUIStyle m_rightToggleColorMask;
-
-
- [SerializeField]
- private bool[] m_colorMask = { true, true, true, true };
-
- [SerializeField]
- private InlineProperty m_inlineMask = new InlineProperty();
-
- public void Draw( UndoParentNode owner )
- {
- m_inlineMask.CustomDrawer( ref owner, DrawColorMaskControls, ColorMaskContent.text );
- }
-
- private void DrawColorMaskControls( UndoParentNode owner )
- {
- if( m_leftToggleColorMask == null || m_leftToggleColorMask.normal.background == null )
- {
- m_leftToggleColorMask = GUI.skin.GetStyle( "miniButtonLeft" );
- }
-
- if( m_middleToggleColorMask == null || m_middleToggleColorMask.normal.background == null )
- {
- m_middleToggleColorMask = GUI.skin.GetStyle( "miniButtonMid" );
- }
-
- if( m_rightToggleColorMask == null || m_rightToggleColorMask.normal.background == null )
- {
- m_rightToggleColorMask = GUI.skin.GetStyle( "miniButtonRight" );
- }
-
-
- EditorGUILayout.BeginHorizontal();
- EditorGUILayout.LabelField( ColorMaskContent, GUILayout.Width( 90 ) );
-
- m_colorMask[ 0 ] = owner.GUILayoutToggle( m_colorMask[ 0 ], "R", m_leftToggleColorMask );
- m_colorMask[ 1 ] = owner.GUILayoutToggle( m_colorMask[ 1 ], "G", m_middleToggleColorMask );
- m_colorMask[ 2 ] = owner.GUILayoutToggle( m_colorMask[ 2 ], "B", m_middleToggleColorMask );
- m_colorMask[ 3 ] = owner.GUILayoutToggle( m_colorMask[ 3 ], "A", m_rightToggleColorMask );
-
- EditorGUILayout.EndHorizontal();
- }
-
- public void BuildColorMask( ref string ShaderBody, bool customBlendAvailable )
- {
- int count = 0;
- string colorMask = string.Empty;
- for( int i = 0; i < m_colorMask.Length; i++ )
- {
- if( m_colorMask[ i ] )
- {
- count++;
- colorMask += m_colorMaskChar[ i ];
- }
- }
-
- if( ( count != m_colorMask.Length && customBlendAvailable ) || m_inlineMask.Active )
- {
- MasterNode.AddRenderState( ref ShaderBody, "ColorMask", m_inlineMask.GetValueOrProperty( ( ( count == 0 ) ? "0" : colorMask ) ) );
- }
- }
-
- public void ReadFromString( ref uint index, ref string[] nodeParams )
- {
- for( int i = 0; i < m_colorMask.Length; i++ )
- {
- m_colorMask[ i ] = Convert.ToBoolean( nodeParams[ index++ ] );
- }
-
- if( UIUtils.CurrentShaderVersion() > 14501 )
- m_inlineMask.ReadFromString( ref index, ref nodeParams );
- }
-
- public void WriteToString( ref string nodeInfo )
- {
- for( int i = 0; i < m_colorMask.Length; i++ )
- {
- IOUtils.AddFieldValueToString( ref nodeInfo, m_colorMask[ i ] );
- }
-
- m_inlineMask.WriteToString( ref nodeInfo );
- }
-
- public void Destroy()
- {
- m_leftToggleColorMask = null;
- m_middleToggleColorMask = null;
- m_rightToggleColorMask = null;
- }
- }
- }
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