1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using UnityEngine;
using UnityEditor;
namespace AmplifyShaderEditor
{
public enum ViewSpace
{
Tangent,
World
}
[Serializable]
[NodeAttributes( "View Dir", "Camera And Screen", "View direction vector, you can select between <b>World</b> space or <b>Tangent</b> space" )]
public sealed class ViewDirInputsCoordNode : SurfaceShaderINParentNode
{
private const string SpaceStr = "Space";
private const string WorldDirVarStr = "worldViewDir";
private const string NormalizeOptionStr = "Safe Normalize";
[SerializeField]
private bool m_safeNormalize = false;
[SerializeField]
private ViewSpace m_viewDirSpace = ViewSpace.World;
private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
m_currentInput = SurfaceInputs.VIEW_DIR;
InitialSetup();
m_textLabelWidth = 120;
m_autoWrapProperties = true;
m_drawPreviewAsSphere = true;
m_hasLeftDropdown = true;
UpdateTitle();
m_previewShaderGUID = "07b57d9823df4bd4d8fe6dcb29fca36a";
}
private void UpdateTitle()
{
m_additionalContent.text = string.Format( Constants.SubTitleSpaceFormatStr, m_viewDirSpace.ToString() );
m_sizeIsDirty = true;
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
m_upperLeftWidget.DrawWidget<ViewSpace>( ref m_viewDirSpace, this, OnWidgetUpdate );
}
private readonly Action<ParentNode> OnWidgetUpdate = ( x ) =>
{
( x as ViewDirInputsCoordNode ).UpdateTitle();
};
public override void DrawProperties()
{
//base.DrawProperties();
EditorGUI.BeginChangeCheck();
m_viewDirSpace = (ViewSpace)EditorGUILayoutEnumPopup( SpaceStr, m_viewDirSpace );
if( EditorGUI.EndChangeCheck() )
{
UpdateTitle();
}
m_safeNormalize = EditorGUILayoutToggle( NormalizeOptionStr, m_safeNormalize );
EditorGUILayout.HelpBox( "Having safe normalize ON makes sure your view vector is not zero even if you are using your shader with no cameras.", MessageType.None );
}
public override void SetPreviewInputs()
{
base.SetPreviewInputs();
if( m_viewDirSpace == ViewSpace.World )
m_previewMaterialPassId = 0;
else if( m_viewDirSpace == ViewSpace.Tangent )
m_previewMaterialPassId = 1;
}
public override void PropagateNodeData( NodeData nodeData, ref MasterNodeDataCollector dataCollector )
{
base.PropagateNodeData( nodeData, ref dataCollector );
if( m_viewDirSpace == ViewSpace.Tangent )
dataCollector.DirtyNormal = true;
if( m_safeNormalize )
dataCollector.SafeNormalizeViewDir = true;
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar )
{
if( dataCollector.IsTemplate )
{
string varName = ( m_viewDirSpace == ViewSpace.World ) ? dataCollector.TemplateDataCollectorInstance.GetViewDir(true,MasterNodePortCategory.Fragment, m_safeNormalize?NormalizeType.Safe:NormalizeType.Regular) :
dataCollector.TemplateDataCollectorInstance.GetTangentViewDir( CurrentPrecisionType, true,MasterNodePortCategory.Fragment, m_safeNormalize ? NormalizeType.Safe : NormalizeType.Regular );
return GetOutputVectorItem( 0, outputId, varName );
}
if( dataCollector.PortCategory == MasterNodePortCategory.Vertex || dataCollector.PortCategory == MasterNodePortCategory.Tessellation )
{
string result = GeneratorUtils.GenerateViewDirection( ref dataCollector, UniqueId, m_viewDirSpace );
return GetOutputVectorItem( 0, outputId, result );
}
else
{
if( m_viewDirSpace == ViewSpace.World )
{
if( dataCollector.DirtyNormal || m_safeNormalize )
{
dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_POS );
string result = GeneratorUtils.GenerateViewDirection( ref dataCollector, UniqueId );
return GetOutputVectorItem( 0, outputId, result );
}
else
{
dataCollector.AddToInput( UniqueId, SurfaceInputs.VIEW_DIR, PrecisionType.Float );
return GetOutputVectorItem( 0, outputId, m_currentInputValueStr );
//return base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalVar );
}
}
else
{
if( m_safeNormalize )
{
dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_NORMAL, CurrentPrecisionType );
dataCollector.AddToInput( UniqueId, SurfaceInputs.INTERNALDATA, addSemiColon: false );
dataCollector.ForceNormal = true;
dataCollector.AddToInput( UniqueId, SurfaceInputs.WORLD_POS );
string result = GeneratorUtils.GenerateViewDirection( ref dataCollector, UniqueId, ViewSpace.Tangent );
return GetOutputVectorItem( 0, outputId, result );
}
else
{
dataCollector.ForceNormal = true;
return base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalVar );
}
}
}
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
if( UIUtils.CurrentShaderVersion() > 2402 )
m_viewDirSpace = (ViewSpace)Enum.Parse( typeof( ViewSpace ), GetCurrentParam( ref nodeParams ) );
if( UIUtils.CurrentShaderVersion() > 15201 )
{
m_safeNormalize = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
}
UpdateTitle();
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_viewDirSpace );
IOUtils.AddFieldValueToString( ref nodeInfo, m_safeNormalize );
}
}
}
|
