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 System;
using UnityEngine;
using System.Collections.Generic;
using UnityEditor;
namespace AmplifyShaderEditor
{
public enum eResizeAxis
{
X_AXIS,
Y_AXIS,
ALL
}
[Serializable]
public sealed class CommentaryNode : ParentNode, ISerializationCallbackReceiver
{
private const string InfoText = "Press Alt + Left Mouse Click/Drag to make all Comment node area interactable.\nDouble click on the Comment at the node body to modify it directly from there.";
private const string CommentaryTitle = "Comment";
private const float BORDER_SIZE_X = 50;
private const float BORDER_SIZE_Y = 50;
private const float MIN_SIZE_X = 100;
private const float MIN_SIZE_Y = 100;
private const float COMMENTARY_BOX_HEIGHT = 30;
private readonly Vector2 ResizeButtonPos = new Vector2( 1, 1 );
[SerializeField]
private string m_commentText = "Comment";
[SerializeField]
private string m_titleText = string.Empty;
[SerializeField]
private eResizeAxis m_resizeAxis = eResizeAxis.ALL;
[SerializeField]
private List<ParentNode> m_nodesOnCommentary = new List<ParentNode>();
private Dictionary<int, ParentNode> m_nodesOnCommentaryDict = new Dictionary<int, ParentNode>();
private bool m_reRegisterNodes = false;
[SerializeField]
private Rect m_resizeLeftIconCoords;
[SerializeField]
private Rect m_resizeRightIconCoords;
[SerializeField]
private Rect m_auxHeaderPos;
[SerializeField]
private Rect m_commentArea;
private Texture2D m_resizeIconTex;
private bool m_isResizingRight = false;
private bool m_isResizingLeft = false;
private Vector2 m_resizeStartPoint = Vector2.zero;
private string m_focusName = "CommentaryNode";
private bool m_focusOnTitle = false;
private bool m_graphDepthAnalized = false;
private bool m_checkCommentText = true;
private bool m_checkTitleText = true;
public Color m_frameColor = Color.white;
private List<int> m_nodesIds = new List<int>();
private bool m_checkContents = false;
private bool m_isEditing;
private bool m_stopEditing;
private bool m_startEditing;
private double m_clickTime;
private double m_doubleClickTime = 0.3;
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
m_reorderLocked = true;
m_rmbIgnore = true;
m_defaultInteractionMode = InteractionMode.Both;
m_headerColor = UIUtils.GetColorFromCategory( "Commentary" );
m_connStatus = NodeConnectionStatus.Island;
m_textLabelWidth = 90;
}
protected override void OnUniqueIDAssigned()
{
base.OnUniqueIDAssigned();
m_focusName = CommentaryTitle + OutputId;
}
public void CreateFromSelectedNodes( Vector2 mousePosOnCanvasCoords, ParentNode[] selectedNodes )
{
if ( selectedNodes.Length == 0 )
{
m_position = new Rect( mousePosOnCanvasCoords, new Vector2( 100, 100 ) );
return;
}
Vector2 minPos = new Vector2( float.MaxValue, float.MaxValue );
Vector2 maxPos = new Vector2( float.MinValue, float.MinValue );
for ( int i = 0; i < selectedNodes.Length; i++ )
{
//Check min
if ( selectedNodes[ i ].Position.x < minPos.x )
minPos.x = selectedNodes[ i ].Position.x;
if ( selectedNodes[ i ].Position.y < minPos.y )
minPos.y = selectedNodes[ i ].Position.y;
//check max
float nodeXMax = selectedNodes[ i ].Position.x + selectedNodes[ i ].Position.width;
if ( nodeXMax > maxPos.x )
{
maxPos.x = nodeXMax;
}
float nodeYMax = selectedNodes[ i ].Position.y + selectedNodes[ i ].Position.height;
if ( nodeYMax > maxPos.y )
{
maxPos.y = nodeYMax;
}
//_nodesOnCommentary.Add( selectedNodes[ i ] );
//selectedNodes[ i ].OnNodeStoppedMovingEvent += NodeStoppedMoving;
AddNodeToCommentary( selectedNodes[ i ] );
}
Vector2 dims = maxPos - minPos + new Vector2( 2 * BORDER_SIZE_X, 2 * BORDER_SIZE_Y );
m_position = new Rect( minPos.x - BORDER_SIZE_X, minPos.y - BORDER_SIZE_Y, dims.x, dims.y );
}
public override void Move( Vector2 delta, bool snap )
{
if ( m_isResizingRight || m_isResizingLeft )
return;
base.Move( delta, snap );
for ( int i = 0; i < m_nodesOnCommentary.Count; i++ )
{
if ( !m_nodesOnCommentary[ i ].Selected )
{
m_nodesOnCommentary[ i ].RecordObject( Constants.UndoMoveNodesId );
m_nodesOnCommentary[ i ].Move( delta, snap );
}
}
}
public void NodeStoppedMoving( ParentNode node, bool testOnlySelected, InteractionMode useTargetInteraction )
{
if ( !m_position.Contains( node.Vec2Position ) && !m_position.Contains( node.Corner ) )
{
RemoveNode( node );
}
}
public void NodeDestroyed( ParentNode node )
{
RemoveNode( node );
}
public void RemoveNode( ParentNode node )
{
if ( m_nodesOnCommentaryDict.ContainsKey( node.UniqueId ) )
{
UIUtils.MarkUndoAction();
RecordObject( Constants.UndoRemoveNodeFromCommentaryId );
node.RecordObject( Constants.UndoRemoveNodeFromCommentaryId );
m_nodesOnCommentary.Remove( node );
m_nodesOnCommentaryDict.Remove( node.UniqueId );
node.OnNodeStoppedMovingEvent -= NodeStoppedMoving;
node.OnNodeDestroyedEvent -= NodeDestroyed;
node.CommentaryParent = -1;
}
}
public void RemoveAllNodes()
{
UIUtils.MarkUndoAction();
for ( int i = 0; i < m_nodesOnCommentary.Count; i++ )
{
RecordObject( Constants.UndoRemoveNodeFromCommentaryId );
m_nodesOnCommentary[ i ].RecordObject( Constants.UndoRemoveNodeFromCommentaryId );
m_nodesOnCommentary[ i ].OnNodeStoppedMovingEvent -= NodeStoppedMoving;
m_nodesOnCommentary[ i ].OnNodeDestroyedEvent -= NodeDestroyed;
m_nodesOnCommentary[ i ].CommentaryParent = -1;
}
m_nodesOnCommentary.Clear();
m_nodesOnCommentaryDict.Clear();
}
public override void Destroy()
{
base.Destroy();
RemoveAllNodes();
}
public void AddNodeToCommentary( ParentNode node )
{
if( node.UniqueId == UniqueId )
return;
if ( !m_nodesOnCommentaryDict.ContainsKey( node.UniqueId ) )
{
bool addToNode = false;
if ( node.CommentaryParent < 0 )
{
addToNode = true;
if ( node.Depth <= m_depth )
{
ActivateNodeReordering( node.Depth );
}
}
else
{
CommentaryNode other = UIUtils.GetNode( node.CommentaryParent ) as CommentaryNode;
if ( other != null )
{
if ( other.Depth < Depth )
{
other.RemoveNode( node );
addToNode = true;
}
}
}
if ( addToNode )
{
UIUtils.MarkUndoAction();
RecordObject( Constants.UndoAddNodeToCommentaryId );
node.RecordObject( Constants.UndoAddNodeToCommentaryId );
m_nodesOnCommentary.Add( node );
m_nodesOnCommentaryDict.Add( node.UniqueId, node );
node.OnNodeStoppedMovingEvent += NodeStoppedMoving;
node.OnNodeDestroyedEvent += NodeDestroyed;
node.CommentaryParent = UniqueId;
}
}
}
public override void DrawProperties()
{
base.DrawProperties();
NodeUtils.DrawPropertyGroup( ref m_propertiesFoldout, Constants.ParameterLabelStr,()=>
{
EditorGUI.BeginChangeCheck();
m_titleText = EditorGUILayoutTextField( "Frame Title", m_titleText );
if ( EditorGUI.EndChangeCheck() )
{
m_checkTitleText = true;
}
EditorGUI.BeginChangeCheck();
m_commentText = EditorGUILayoutTextField( CommentaryTitle, m_commentText );
if ( EditorGUI.EndChangeCheck() )
{
m_checkCommentText = true;
}
m_frameColor = EditorGUILayoutColorField( "Frame Color", m_frameColor );
} );
EditorGUILayout.HelpBox( InfoText, MessageType.Info );
}
public override void OnNodeLayout( DrawInfo drawInfo )
{
if ( m_nodesIds.Count > 0 )
{
for ( int i = 0; i < m_nodesIds.Count; i++ )
{
ParentNode node = ContainerGraph.GetNode( m_nodesIds[ i ] );
if ( node )
{
AddNodeToCommentary( node );
}
}
m_nodesIds.Clear();
}
if ( m_reRegisterNodes )
{
m_reRegisterNodes = false;
m_nodesOnCommentaryDict.Clear();
for ( int i = 0; i < m_nodesOnCommentary.Count; i++ )
{
if ( m_nodesOnCommentary[ i ] != null )
{
m_nodesOnCommentary[ i ].OnNodeStoppedMovingEvent += NodeStoppedMoving;
m_nodesOnCommentary[ i ].OnNodeDestroyedEvent += NodeDestroyed;
m_nodesOnCommentaryDict.Add( m_nodesOnCommentary[ i ].UniqueId, m_nodesOnCommentary[ i ] );
}
}
}
//base.OnLayout( drawInfo );
CalculatePositionAndVisibility( drawInfo );
m_headerPosition = m_globalPosition;
m_headerPosition.height = UIUtils.CurrentHeaderHeight;
m_auxHeaderPos = m_position;
m_auxHeaderPos.height = UIUtils.HeaderMaxHeight;
m_commentArea = m_globalPosition;
m_commentArea.height = COMMENTARY_BOX_HEIGHT * drawInfo.InvertedZoom;
m_commentArea.xMin += 10 * drawInfo.InvertedZoom;
m_commentArea.xMax -= 10 * drawInfo.InvertedZoom;
if ( m_resizeIconTex == null )
{
m_resizeIconTex = UIUtils.GetCustomStyle( CustomStyle.CommentaryResizeButton ).normal.background;
}
// LEFT RESIZE BUTTON
m_resizeLeftIconCoords = m_globalPosition;
m_resizeLeftIconCoords.x = m_globalPosition.x + 2;
m_resizeLeftIconCoords.y = m_globalPosition.y + m_globalPosition.height - 2 - ( m_resizeIconTex.height + ResizeButtonPos.y ) * drawInfo.InvertedZoom;
m_resizeLeftIconCoords.width = m_resizeIconTex.width * drawInfo.InvertedZoom;
m_resizeLeftIconCoords.height = m_resizeIconTex.height * drawInfo.InvertedZoom;
// RIGHT RESIZE BUTTON
m_resizeRightIconCoords = m_globalPosition;
m_resizeRightIconCoords.x = m_globalPosition.x + m_globalPosition.width - 1 - ( m_resizeIconTex.width + ResizeButtonPos.x ) * drawInfo.InvertedZoom;
m_resizeRightIconCoords.y = m_globalPosition.y + m_globalPosition.height - 2 - ( m_resizeIconTex.height + ResizeButtonPos.y ) * drawInfo.InvertedZoom;
m_resizeRightIconCoords.width = m_resizeIconTex.width * drawInfo.InvertedZoom;
m_resizeRightIconCoords.height = m_resizeIconTex.height * drawInfo.InvertedZoom;
}
public override void OnNodeRepaint( DrawInfo drawInfo )
{
if ( !m_isVisible )
return;
m_colorBuffer = GUI.color;
// Background
GUI.color = Constants.NodeBodyColor * m_frameColor;
GUI.Label( m_globalPosition, string.Empty, UIUtils.GetCustomStyle( CustomStyle.CommentaryBackground ) );
// Header
GUI.color = m_headerColor * m_headerColorModifier * m_frameColor;
GUI.Label( m_headerPosition, string.Empty, UIUtils.GetCustomStyle( CustomStyle.NodeHeader ) );
GUI.color = m_colorBuffer;
// Fixed Title ( only renders when not editing )
if ( !m_isEditing && !m_startEditing && ContainerGraph.LodLevel <= ParentGraph.NodeLOD.LOD3 )
{
GUI.Label( m_commentArea, m_commentText, UIUtils.CommentaryTitle );
}
// Buttons
GUI.Label( m_resizeLeftIconCoords, string.Empty, UIUtils.GetCustomStyle( CustomStyle.CommentaryResizeButtonInv ) );
GUI.Label( m_resizeRightIconCoords, string.Empty, UIUtils.GetCustomStyle( CustomStyle.CommentaryResizeButton ) );
// Selection Box
if ( m_selected )
{
GUI.color = Constants.NodeSelectedColor;
RectOffset cache = UIUtils.GetCustomStyle( CustomStyle.NodeWindowOn ).border;
UIUtils.GetCustomStyle( CustomStyle.NodeWindowOn ).border = UIUtils.RectOffsetSix;
GUI.Label( m_globalPosition, string.Empty, UIUtils.GetCustomStyle( CustomStyle.NodeWindowOn ) );
UIUtils.GetCustomStyle( CustomStyle.NodeWindowOn ).border = cache;
GUI.color = m_colorBuffer;
}
if ( !string.IsNullOrEmpty( m_titleText ) )
{
Rect titleRect = m_globalPosition;
titleRect.y -= 24;
titleRect.height = 24;
GUI.Label( titleRect, m_titleText, UIUtils.GetCustomStyle( CustomStyle.CommentarySuperTitle ) );
}
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
// Custom Editable Title
if ( ContainerGraph.LodLevel <= ParentGraph.NodeLOD.LOD3 )
{
if ( !m_isEditing && ( ( !ContainerGraph.ParentWindow.MouseInteracted && drawInfo.CurrentEventType == EventType.MouseDown && m_commentArea.Contains( drawInfo.MousePosition ) ) ) )
{
if ( ( EditorApplication.timeSinceStartup - m_clickTime ) < m_doubleClickTime )
m_startEditing = true;
else
GUI.FocusControl( null );
m_clickTime = EditorApplication.timeSinceStartup;
}
else if ( m_isEditing && ( ( drawInfo.CurrentEventType == EventType.MouseDown && !m_commentArea.Contains( drawInfo.MousePosition ) ) || !EditorGUIUtility.editingTextField ) )
{
m_stopEditing = true;
}
if ( m_isEditing || m_startEditing )
{
EditorGUI.BeginChangeCheck();
GUI.SetNextControlName( m_focusName );
m_commentText = EditorGUITextField( m_commentArea, string.Empty, m_commentText, UIUtils.CommentaryTitle );
if ( EditorGUI.EndChangeCheck() )
{
m_checkCommentText = true;
}
if ( m_startEditing )
EditorGUI.FocusTextInControl( m_focusName );
}
if ( drawInfo.CurrentEventType == EventType.Repaint )
{
if ( m_startEditing )
{
m_startEditing = false;
m_isEditing = true;
}
if ( m_stopEditing )
{
m_stopEditing = false;
m_isEditing = false;
GUI.FocusControl( null );
}
}
}
if ( drawInfo.CurrentEventType == EventType.MouseDown && drawInfo.LeftMouseButtonPressed )
{
// Left Button
if( m_resizeLeftIconCoords.Contains( drawInfo.MousePosition ) && ContainerGraph.ParentWindow.CurrentEvent.modifiers != EventModifiers.Shift )
{
if ( !m_isResizingLeft )
{
m_isResizingLeft = true;
ContainerGraph.ParentWindow.ForceAutoPanDir = true;
m_resizeStartPoint = drawInfo.TransformedMousePos;
}
}
// Right Button
if ( m_resizeRightIconCoords.Contains( drawInfo.MousePosition ) && ContainerGraph.ParentWindow.CurrentEvent.modifiers != EventModifiers.Shift )
{
if ( !m_isResizingRight )
{
m_isResizingRight = true;
ContainerGraph.ParentWindow.ForceAutoPanDir = true;
m_resizeStartPoint = drawInfo.TransformedMousePos;
}
}
}
if ( drawInfo.CurrentEventType == EventType.Repaint || drawInfo.CurrentEventType == EventType.MouseUp )
{
// Left Button
EditorGUIUtility.AddCursorRect( m_resizeLeftIconCoords, MouseCursor.ResizeUpRight );
if ( m_isResizingLeft )
{
if ( drawInfo.CurrentEventType == EventType.MouseUp )
{
m_isResizingLeft = false;
ContainerGraph.ParentWindow.ForceAutoPanDir = false;
RemoveAllNodes();
FireStoppedMovingEvent( false, InteractionMode.Target );
}
else
{
Vector2 currSize = ( drawInfo.TransformedMousePos - m_resizeStartPoint ) /*/ drawInfo.InvertedZoom*/;
m_resizeStartPoint = drawInfo.TransformedMousePos;
if ( m_resizeAxis != eResizeAxis.Y_AXIS )
{
m_position.x += currSize.x;
m_position.width -= currSize.x;
if ( m_position.width < MIN_SIZE_X )
{
m_position.x -= ( MIN_SIZE_X - m_position.width );
m_position.width = MIN_SIZE_X;
}
}
if ( m_resizeAxis != eResizeAxis.X_AXIS )
{
m_position.height += currSize.y;
if ( m_position.height < MIN_SIZE_Y )
{
m_position.height = MIN_SIZE_Y;
}
}
}
}
// Right Button
EditorGUIUtility.AddCursorRect( m_resizeRightIconCoords, MouseCursor.ResizeUpLeft );
if ( m_isResizingRight )
{
if ( drawInfo.CurrentEventType == EventType.MouseUp )
{
m_isResizingRight = false;
ContainerGraph.ParentWindow.ForceAutoPanDir = false;
RemoveAllNodes();
FireStoppedMovingEvent( false, InteractionMode.Target );
}
else
{
Vector2 currSize = ( drawInfo.TransformedMousePos - m_resizeStartPoint ) /*/ drawInfo.InvertedZoom*/;
m_resizeStartPoint = drawInfo.TransformedMousePos;
if ( m_resizeAxis != eResizeAxis.Y_AXIS )
{
m_position.width += currSize.x;
if ( m_position.width < MIN_SIZE_X )
{
m_position.width = MIN_SIZE_X;
}
}
if ( m_resizeAxis != eResizeAxis.X_AXIS )
{
m_position.height += currSize.y;
if ( m_position.height < MIN_SIZE_Y )
{
m_position.height = MIN_SIZE_Y;
}
}
}
}
}
if ( m_checkCommentText )
{
m_checkCommentText = false;
m_commentText = m_commentText.Replace( IOUtils.FIELD_SEPARATOR, ' ' );
}
if ( m_checkTitleText )
{
m_checkTitleText = false;
m_titleText = m_titleText.Replace( IOUtils.FIELD_SEPARATOR, ' ' );
}
if ( m_focusOnTitle && drawInfo.CurrentEventType == EventType.KeyUp )
{
m_focusOnTitle = false;
m_startEditing = true;
}
}
public void Focus()
{
m_focusOnTitle = true;
}
public override void OnAfterDeserialize()
{
base.OnAfterDeserialize();
m_reRegisterNodes = true;
}
public override bool OnNodeInteraction( ParentNode node )
{
if ( node == null || UniqueId == node.UniqueId )
return false;
for( int i = 0; i < m_nodesOnCommentary.Count; i++ )
{
if( m_nodesOnCommentary[ i ] && m_nodesOnCommentary[ i ] != this && m_nodesOnCommentary[ i ].OnNodeInteraction( node ) )
{
return false;
}
}
if( m_position.Contains( node.Vec2Position ) && m_position.Contains( node.Corner ) )
{
AddNodeToCommentary( node );
return true;
}
return false;
}
public override void OnSelfStoppedMovingEvent()
{
FireStoppedMovingEvent( false, InteractionMode.Both );
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
m_position.width = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
m_position.height = Convert.ToSingle( GetCurrentParam( ref nodeParams ) );
m_commentText = GetCurrentParam( ref nodeParams );
int count = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
for ( int i = 0; i < count; i++ )
{
m_nodesIds.Add( Convert.ToInt32( GetCurrentParam( ref nodeParams ) ) );
}
if ( UIUtils.CurrentShaderVersion() > 5004 )
m_titleText = GetCurrentParam( ref nodeParams );
if ( UIUtils.CurrentShaderVersion() > 12002 )
{
string[] colorChannels = GetCurrentParam( ref nodeParams ).Split( IOUtils.VECTOR_SEPARATOR );
if ( colorChannels.Length == 4 )
{
m_frameColor.r = Convert.ToSingle( colorChannels[ 0 ] );
m_frameColor.g = Convert.ToSingle( colorChannels[ 1 ] );
m_frameColor.b = Convert.ToSingle( colorChannels[ 2 ] );
m_frameColor.a = Convert.ToSingle( colorChannels[ 3 ] );
}
else
{
UIUtils.ShowMessage( UniqueId, "Incorrect number of color values", MessageSeverity.Error );
}
}
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_position.width );
IOUtils.AddFieldValueToString( ref nodeInfo, m_position.height );
IOUtils.AddFieldValueToString( ref nodeInfo, m_commentText );
IOUtils.AddFieldValueToString( ref nodeInfo, m_nodesOnCommentary.Count );
for ( int i = 0; i < m_nodesOnCommentary.Count; i++ )
{
IOUtils.AddFieldValueToString( ref nodeInfo, m_nodesOnCommentary[ i ].UniqueId );
}
IOUtils.AddFieldValueToString( ref nodeInfo, m_titleText );
IOUtils.AddFieldValueToString( ref nodeInfo, m_frameColor.r.ToString() + IOUtils.VECTOR_SEPARATOR + m_frameColor.g.ToString() + IOUtils.VECTOR_SEPARATOR + m_frameColor.b.ToString() + IOUtils.VECTOR_SEPARATOR + m_frameColor.a.ToString() );
}
public override void ResetNodeData()
{
base.ResetNodeData();
m_graphDepthAnalized = false;
}
public override void ReadAdditionalClipboardData( ref string[] nodeParams )
{
base.ReadAdditionalClipboardData( ref nodeParams );
m_nodesIds.Clear();
m_checkContents = true;
}
public override void RefreshExternalReferences()
{
base.RefreshExternalReferences();
if( m_checkContents )
{
m_checkContents = false;
OnSelfStoppedMovingEvent();
}
}
public override void CalculateCustomGraphDepth()
{
if ( m_graphDepthAnalized )
return;
m_graphDepth = int.MinValue;
int count = m_nodesOnCommentary.Count;
for ( int i = 0; i < count; i++ )
{
if ( m_nodesOnCommentary[ i ].ConnStatus == NodeConnectionStatus.Island )
{
m_nodesOnCommentary[ i ].CalculateCustomGraphDepth();
}
if ( m_nodesOnCommentary[ i ].GraphDepth >= m_graphDepth )
{
m_graphDepth = m_nodesOnCommentary[ i ].GraphDepth + 1;
}
}
m_graphDepthAnalized = true;
}
public override Rect Position { get { return Event.current.alt ? m_position : m_auxHeaderPos; } }
public override bool Contains( Vector3 pos )
{
return Event.current.alt ? m_globalPosition.Contains( pos ) : ( m_headerPosition.Contains( pos ) || m_resizeRightIconCoords.Contains( pos ) || m_resizeLeftIconCoords.Contains( pos ) );
}
}
}