Assignment for RMIT Mixed Reality in 2020
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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using UnityEngine;
using UnityEditor;
using System;
using System.Collections.Generic;
namespace AmplifyShaderEditor
{
[Serializable]
public class InputSwitchMPHelper
{
public int SubShaderIdx;
public int PassIdx;
public InputSwitchMPHelper( int subShaderIdx, int passIdx )
{
SubShaderIdx = subShaderIdx;
PassIdx = passIdx;
}
}
[Serializable]
[NodeAttributes( "Template Multi-Pass Switch", "Logical Operators", "Relays, in compile time, the correct input port according to current analyzed sub-shader/pass." )]
public sealed class TemplateMultiPassSwitchNode : TemplateNodeParent
{
private const string InputLabelStr = "SubShader {0} Pass {1}";
[SerializeField]
private List<InputSwitchMPHelper> m_inputHelper = new List<InputSwitchMPHelper>();
[SerializeField]
private int m_inputCountHelper = -1;
protected override void CommonInit( int uniqueId )
{
m_createAllOutputs = false;
base.CommonInit( uniqueId );
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
UpdateConnections();
}
public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
{
base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
UpdateConnections();
}
public override void OnInputPortDisconnected( int portId )
{
base.OnInputPortDisconnected( portId );
UpdateConnections();
}
private void UpdateConnections()
{
WirePortDataType mainType = WirePortDataType.FLOAT;
int highest = UIUtils.GetPriority( mainType );
for( int i = 0; i < m_inputPorts.Count; i++ )
{
if( m_inputPorts[ i ].IsConnected )
{
WirePortDataType portType = m_inputPorts[ i ].GetOutputConnection().DataType;
if( UIUtils.GetPriority( portType ) > highest )
{
mainType = portType;
highest = UIUtils.GetPriority( portType );
}
}
}
for( int i = 0; i < m_inputPorts.Count; i++ )
{
m_inputPorts[ i ].ChangeType( mainType, false );
}
m_outputPorts[ 0 ].ChangeType( mainType, false );
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
if( m_templateMPData == null )
{
FetchMultiPassTemplate();
if( m_inputPorts.Count != m_inputCountHelper )
{
CreateInputPorts();
}
else
{
RefreshInputPorts();
}
}
}
public void RefreshInputPorts()
{
if( m_multiPassMode )
{
m_inputHelper.Clear();
if( m_templateMPData != null )
{
int index = 0;
int subShaderCount = m_templateMPData.SubShaders.Count;
for( int subShaderIdx = 0; subShaderIdx < subShaderCount; subShaderIdx++ )
{
int passCount = m_templateMPData.SubShaders[ subShaderIdx ].Passes.Count;
for( int passIdx = 0; passIdx < passCount; passIdx++ )
{
if( m_templateMPData.SubShaders[ subShaderIdx ].Passes[ passIdx ].HasValidFunctionBody )
{
m_inputPorts[ index ].Name = string.Format( InputLabelStr, subShaderIdx, passIdx );
m_inputHelper.Add( new InputSwitchMPHelper( subShaderIdx, passIdx ) );
index += 1;
}
}
}
}
}
else
{
m_inputPorts[0].Name = "In";
}
}
public int RefreshInputCountHelper()
{
int inputCountHelper = 0;
if( m_multiPassMode )
{
if( m_templateMPData != null )
{
int subShaderCount = m_templateMPData.SubShaders.Count;
for( int subShaderIdx = 0; subShaderIdx < subShaderCount; subShaderIdx++ )
{
int passCount = m_templateMPData.SubShaders[ subShaderIdx ].Passes.Count;
for( int passIdx = 0; passIdx < passCount; passIdx++ )
{
if( m_templateMPData.SubShaders[ subShaderIdx ].Passes[passIdx].HasValidFunctionBody )
inputCountHelper += 1;
}
}
}
}
else
{
inputCountHelper += 1;
}
return inputCountHelper;
}
public void CreateInputPorts()
{
m_inputCountHelper = 0;
DeleteAllInputConnections( true );
if( m_multiPassMode )
{
m_inputHelper.Clear();
if( m_templateMPData != null )
{
int subShaderCount = m_templateMPData.SubShaders.Count;
for( int subShaderIdx = 0; subShaderIdx < subShaderCount; subShaderIdx++ )
{
int passCount = m_templateMPData.SubShaders[ subShaderIdx ].Passes.Count;
for( int passIdx = 0; passIdx < passCount; passIdx++ )
{
if( m_templateMPData.SubShaders[ subShaderIdx ].Passes[ passIdx ].HasValidFunctionBody )
{
AddInputPort( WirePortDataType.FLOAT, false, string.Format( InputLabelStr, subShaderIdx, passIdx ) );
m_inputHelper.Add( new InputSwitchMPHelper( subShaderIdx, passIdx ) );
m_inputCountHelper += 1;
}
}
}
}
}
else
{
AddInputPort( WirePortDataType.FLOAT, false, "In" );
m_inputCountHelper += 1;
}
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
if( dataCollector.MasterNodeCategory != AvailableShaderTypes.Template )
{
UIUtils.ShowMessage( "Template Multi-Pass Switch Data node is only intended for templates use only" );
return m_outputPorts[ 0 ].ErrorValue;
}
int currSubShaderIdx = dataCollector.TemplateDataCollectorInstance.MultipassSubshaderIdx;
int currPassIdx = dataCollector.TemplateDataCollectorInstance.MultipassPassIdx;
int inputHelperCount = m_inputHelper.Count;
for( int i = 0; i< inputHelperCount; i++ )
{
if(m_inputHelper[i].SubShaderIdx == currSubShaderIdx && m_inputHelper[ i ].PassIdx == currPassIdx )
return m_inputPorts[ i ].GeneratePortInstructions( ref dataCollector );
}
UIUtils.ShowMessage( "Invalid subshader or pass on Template Multi-Pass Switch Data" );
return m_outputPorts[ 0 ].ErrorValue;
}
public override void OnMasterNodeReplaced( MasterNode newMasterNode )
{
base.OnMasterNodeReplaced( newMasterNode );
if( newMasterNode.CurrentMasterNodeCategory == AvailableShaderTypes.Template )
{
FetchMultiPassTemplate( newMasterNode );
m_inputCountHelper = RefreshInputCountHelper();
if( m_inputPorts.Count != m_inputCountHelper )
{
CreateInputPorts();
}
else
{
RefreshInputPorts();
}
}
else
{
DeleteAllInputConnections( true );
}
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
m_inputCountHelper = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
// Need to add ports here so read internal data is correct
for( int i = 0; i < m_inputCountHelper; i++ )
{
AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
}
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_inputCountHelper );
}
public override void Destroy()
{
base.Destroy();
m_inputHelper.Clear();
m_inputHelper = null;
}
public override void RefreshExternalReferences()
{
base.RefreshExternalReferences();
FetchMultiPassTemplate();
bool create = false;
if( m_inputCountHelper == -1 )
{
create = true;
}
else
{
int newInputCount = RefreshInputCountHelper();
if( newInputCount != m_inputCountHelper )
{
create = true;
}
}
if( m_multiPassMode )
{
if( m_templateMPData != null )
{
if( create )
{
CreateInputPorts();
}
else
{
m_inputHelper.Clear();
int index = 0;
int subShaderCount = m_templateMPData.SubShaders.Count;
for( int subShaderIdx = 0; subShaderIdx < subShaderCount; subShaderIdx++ )
{
int passCount = m_templateMPData.SubShaders[ subShaderIdx ].Passes.Count;
for( int passIdx = 0; passIdx < passCount; passIdx++ )
{
if( m_templateMPData.SubShaders[ subShaderIdx ].Passes[ passIdx ].HasValidFunctionBody )
{
m_inputPorts[ index ].Name = string.Format( InputLabelStr, subShaderIdx, passIdx );
m_inputHelper.Add( new InputSwitchMPHelper( subShaderIdx, passIdx ));
index += 1;
}
}
}
if( index != m_inputCountHelper )
{
Debug.LogWarning( "Something wrong occured in reading MultiPass Switch node" );
}
}
}
}
else
{
if( create )
{
AddInputPort( WirePortDataType.FLOAT, false, "In" );
}
else
{
m_inputPorts[ 0 ].Name = "In";
}
}
}
}
}