From 917e9e0b320775634dc2e710f7deac74fd0822f0 Mon Sep 17 00:00:00 2001 From: chai Date: Thu, 22 Oct 2020 23:30:02 +0800 Subject: * amplify shader editor --- .../Plugins/Editor/Nodes/Operators/NegateNode.cs | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Operators/NegateNode.cs (limited to 'Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Operators/NegateNode.cs') diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Operators/NegateNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Operators/NegateNode.cs new file mode 100644 index 00000000..00c174dc --- /dev/null +++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Operators/NegateNode.cs @@ -0,0 +1,46 @@ +using System; + +namespace AmplifyShaderEditor +{ + [Serializable] + [NodeAttributes( "Negate", "Math Operators", "Negate or invert an input value" )] + public sealed class NegateNode : ParentNode + { + protected override void CommonInit( int uniqueId ) + { + base.CommonInit( uniqueId ); + AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue ); + AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue ); + m_useInternalPortData = true; + m_previewShaderGUID = "b035bc40da1ac7c4eafad4116382ec79"; + } + + public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true ) + { + base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode ); + m_inputPorts[ 0 ].MatchPortToConnection(); + m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false ); + } + + public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type ) + { + base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type ); + m_inputPorts[ 0 ].MatchPortToConnection(); + m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false ); + } + + public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar ) + { + string result = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ); + + if ( result.StartsWith( "-" ) ) + { + return result.Remove( 0, 1 ); + } + else + { + return "-" + result; + } + } + } +} -- cgit v1.1-26-g67d0