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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using UnityEngine;
using UnityEditor;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Vertex TexCoord", "Vertex Data", "Vertex texture coordinates, can be used in both local vertex offset and fragment outputs", tags: "uv" )]
public sealed class TexCoordVertexDataNode : VertexDataNode
{
[SerializeField]
private int m_texcoordSize = 2;
[SerializeField]
private int m_index = 0;
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
m_currentVertexData = "texcoord";
ChangeOutputProperties( 0, "UV", WirePortDataType.FLOAT2, false );
m_outputPorts[ 1 ].Name = "U";
m_outputPorts[ 2 ].Name = "V";
m_outputPorts[ 3 ].Visible = false;
m_outputPorts[ 4 ].Visible = false;
m_outputPorts[ 3 ].Name = "W";
m_outputPorts[ 4 ].Name = "T";
m_autoWrapProperties = true;
m_hasLeftDropdown = true;
m_previewShaderGUID = "6c1bee77276896041bbb73b1b9e7f8ac";
}
public override void DrawProperties()
{
base.DrawProperties();
EditorGUI.BeginChangeCheck();
m_texcoordSize = EditorGUILayoutIntPopup( Constants.AvailableUVSizesLabel, m_texcoordSize, Constants.AvailableUVSizesStr, Constants.AvailableUVSizes );
if( EditorGUI.EndChangeCheck() )
{
UpdateOutput();
}
EditorGUI.BeginChangeCheck();
m_index = EditorGUILayoutIntPopup( Constants.AvailableUVChannelLabel, m_index, Constants.AvailableUVSetsStr, Constants.AvailableUVChannels );
if( EditorGUI.EndChangeCheck() )
{
m_currentVertexData = ( m_index == 0 ) ? "texcoord" : "texcoord" + Constants.AvailableUVChannelsStr[ m_index ];
}
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
if( m_dropdownEditing )
{
EditorGUI.BeginChangeCheck();
m_texcoordSize = EditorGUIIntPopup( m_dropdownRect, m_texcoordSize, Constants.AvailableUVSizesStr, Constants.AvailableUVSizes, UIUtils.PropertyPopUp );
if( EditorGUI.EndChangeCheck() )
{
UpdateOutput();
DropdownEditing = false;
}
}
}
private void UpdateOutput()
{
if( m_texcoordSize == 3 )
{
m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT3, false );
m_outputPorts[ 0 ].Name = "UVW";
m_outputPorts[ 3 ].Visible = true;
m_outputPorts[ 4 ].Visible = false;
}
else if( m_texcoordSize == 4 )
{
m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT4, false );
m_outputPorts[ 0 ].Name = "UVWT";
m_outputPorts[ 3 ].Visible = true;
m_outputPorts[ 4 ].Visible = true;
}
else
{
m_texcoordSize = 2;
m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT2, false );
m_outputPorts[ 0 ].Name = "UV";
m_outputPorts[ 3 ].Visible = false;
m_outputPorts[ 4 ].Visible = false;
}
m_sizeIsDirty = true;
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar )
{
if( dataCollector.IsTemplate )
{
if( !dataCollector.TemplateDataCollectorInstance.HasUV( m_index ) )
{
dataCollector.TemplateDataCollectorInstance.RegisterUV( m_index, m_outputPorts[ 0 ].DataType );
}
if( dataCollector.TemplateDataCollectorInstance.HasUV( m_index ) )
{
InterpDataHelper info = dataCollector.TemplateDataCollectorInstance.GetUVInfo( m_index );
if( outputId == 0 )
{
return dataCollector.TemplateDataCollectorInstance.GetUVName( m_index, m_outputPorts[ 0 ].DataType );
}
else if( outputId <= TemplateHelperFunctions.DataTypeChannelUsage[ info.VarType ] )
{
return GetOutputVectorItem( 0, outputId, info.VarName );
}
Debug.LogWarning( "Attempting to access inexisting UV channel" );
}
else
{
Debug.LogWarning( "Attempting to access non-registered UV" );
}
return "0";
}
if( dataCollector.PortCategory == MasterNodePortCategory.Fragment || dataCollector.PortCategory == MasterNodePortCategory.Debug )
{
if( m_texcoordSize > 2 )
dataCollector.UsingHigherSizeTexcoords = true;
}
WirePortDataType size = (WirePortDataType)( 1 << ( m_texcoordSize + 1 ) );
string texcoords = GeneratorUtils.GenerateAutoUVs( ref dataCollector, UniqueId, m_index, null, size );
return GetOutputVectorItem( 0, outputId, texcoords );
}
/// <summary>
/// Generates UV properties and uniforms and returns the varible name to use in the fragment shader
/// </summary>
/// <param name="dataCollector"></param>
/// <param name="uniqueId"></param>
/// <param name="index"></param>
/// <returns>frag variable name</returns>
static public string GenerateFragUVs( ref MasterNodeDataCollector dataCollector, int uniqueId, int index, string propertyName = null, WirePortDataType size = WirePortDataType.FLOAT2 )
{
string dummyPropUV = "_texcoord" + ( index > 0 ? ( index + 1 ).ToString() : "" );
string dummyUV = "uv" + ( index > 0 ? ( index + 1 ).ToString() : "" ) + dummyPropUV;
dataCollector.AddToProperties( uniqueId, "[HideInInspector] " + dummyPropUV + "( \"\", 2D ) = \"white\" {}", 100 );
dataCollector.AddToInput( uniqueId, dummyUV, size );
string result = Constants.InputVarStr + "." + dummyUV;
if( !string.IsNullOrEmpty( propertyName ) )
{
dataCollector.AddToUniforms( uniqueId, "uniform float4 " + propertyName + "_ST;" );
dataCollector.AddToLocalVariables( uniqueId, PrecisionType.Float, size, "uv" + propertyName, result + " * " + propertyName + "_ST.xy + " + propertyName + "_ST.zw" );
result = "uv" + propertyName;
}
return result;
}
static public string GenerateVertexUVs( ref MasterNodeDataCollector dataCollector, int uniqueId, int index, string propertyName = null, WirePortDataType size = WirePortDataType.FLOAT2 )
{
string result = Constants.VertexShaderInputStr + ".texcoord";
if( index > 0 )
{
result += index.ToString();
}
switch( size )
{
default:
case WirePortDataType.FLOAT2:
{
result += ".xy";
}
break;
case WirePortDataType.FLOAT3:
{
result += ".xyz";
}
break;
case WirePortDataType.FLOAT4: break;
}
if( !string.IsNullOrEmpty( propertyName ) )
{
dataCollector.AddToUniforms( uniqueId, "uniform float4 " + propertyName + "_ST;" );
dataCollector.AddToVertexLocalVariables( uniqueId, UIUtils.WirePortToCgType( size ) + " uv" + propertyName + " = " + Constants.VertexShaderInputStr + ".texcoord" + ( index > 0 ? index.ToString() : string.Empty ) + " * " + propertyName + "_ST.xy + " + propertyName + "_ST.zw;" );
result = "uv" + propertyName;
}
return result;
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
if( UIUtils.CurrentShaderVersion() > 2502 )
{
m_index = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
}
if( UIUtils.CurrentShaderVersion() > 5111 )
{
m_texcoordSize = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
UpdateOutput();
}
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_index );
IOUtils.AddFieldValueToString( ref nodeInfo, m_texcoordSize );
}
public override void PropagateNodeData( NodeData nodeData, ref MasterNodeDataCollector dataCollector )
{
base.PropagateNodeData( nodeData, ref dataCollector );
if( dataCollector.IsTemplate )
{
dataCollector.TemplateDataCollectorInstance.SetUVUsage( m_index, m_texcoordSize );
}
else if( m_index > 3 )
{
dataCollector.AddCustomAppData( string.Format( TemplateHelperFunctions.TexUVFullSemantic, m_index ) );
}
}
}
}
|
