private Rect GetHeaderRect(FlowNode node, Vector2 offset)
{
NodeStyleAttribute nodeStyle = node.GetType().GetCustomAttribute <NodeStyleAttribute>();
if (nodeStyle == null)
{
nodeStyle = new NodeStyleAttribute(true);
}
Texture2D icon = Resources.Load <Texture2D>(nodeStyle.iconPath);
Vector2 size = Vector2.zero;
if (nodeStyle.displayHeader)
{
size = EditorStyles.label.CalcSize(new GUIContent(ObjectNames.NicifyVariableName(node.name)));
size.x += NODE_CONTENT_OFFSET * 2;
if (icon != null)
{
size.x += icon.width + NODE_CONTENT_OFFSET;
}
size.y = NODE_HEADER_HEIGHT;
}
size.x = Mathf.Clamp(size.x, NODE_MIN_WIDTH, float.PositiveInfinity);
return(new Rect(node.position.x + offset.x, node.position.y + offset.y, size.x, size.y));
}
private void DrawNodeHeader(Rect rect, FlowNode node, bool selected)
{
NodeStyleAttribute nodeStyle = node.GetType().GetCustomAttribute <NodeStyleAttribute>();
if (nodeStyle == null)
{
nodeStyle = new NodeStyleAttribute(true);
}
if (!nodeStyle.displayHeader)
{
return;
}
Styles.nodeHeaderText.fontStyle = selected ? FontStyle.Bold : FontStyle.Normal;
Texture2D icon = Resources.Load <Texture2D>(nodeStyle.iconPath);
if (icon != null)
{
GUI.Label(new Rect(rect.x + NODE_CONTENT_OFFSET, rect.y + NODE_HEADER_HEIGHT * 0.5f - icon.height * 0.5f, icon.width, icon.height), icon);
}
GUI.Label(new Rect(rect.x + NODE_CONTENT_OFFSET + (icon != null ? icon.width + 3 : 0), rect.y, rect.width, NODE_HEADER_HEIGHT), node.name, Styles.nodeHeaderText);
if (Event.current.type == EventType.Repaint)
{
Styles.seperator.Draw(new Rect(rect.x, rect.y + NODE_HEADER_HEIGHT, rect.width, 1), false, false, false, false);
}
}
protected override Rect GetNodeRect(FlowNode node, Vector2 offset)
{
NodeStyleAttribute nodeStyle = node.GetType().GetCustomAttribute <NodeStyleAttribute>();
if (nodeStyle == null)
{
nodeStyle = new NodeStyleAttribute(true);
}
Texture2D icon = Resources.Load <Texture2D>(nodeStyle.iconPath);
Vector2 size = Vector2.zero;
Vector2 headerSize = Vector2.zero;
if (nodeStyle.displayHeader)
{
headerSize = EditorStyles.label.CalcSize(new GUIContent(ObjectNames.NicifyVariableName(node.name)));
headerSize.x += NODE_CONTENT_OFFSET * 2;
if (headerSize.x > NODE_MIN_WIDTH)
{
headerSize.x += NODE_CONTENT_OFFSET;
}
if (icon != null)
{
headerSize.x += icon.width + NODE_CONTENT_OFFSET;
}
headerSize.y = NODE_HEADER_HEIGHT;
}
size.x = Mathf.Clamp(headerSize.x, NODE_MIN_WIDTH, float.PositiveInfinity);
float maxWidth = GetContentWidth(node);
float width = maxWidth + NODE_CONTENT_OFFSET * 2 + (!nodeStyle.displayHeader && icon != null?icon.width + NODE_CONTENT_OFFSET:0f);
if (width > size.x)
{
size.x = width;
}
size.y = Mathf.Clamp(headerSize.y + node.InputPorts.Count * NODE_LINE_HEIGHT, NODE_LINE_HEIGHT, float.MaxValue);
return(new Rect(node.position.x + offset.x, node.position.y + offset.y, size.x, size.y));
}
private Rect GetPortRect(Port port)
{
Rect rect = GetNodeRect(port.node, this.m_GraphOffset);
int index = port.node.Ports.IndexOf(port);
if (port.direction == PortDirection.Input)
{
Vector2 inputPosition = new Vector2(rect.x - NODE_PORT_OFFSET, rect.y + NODE_LINE_HEIGHT * 0.5f - NODE_PORT_SIZE * 0.5f) + new Vector2(0f, GetHeaderRect(port.node, this.m_GraphOffset).height + NODE_LINE_HEIGHT * index);
return(new Rect(inputPosition.x, inputPosition.y, NODE_PORT_SIZE, NODE_PORT_SIZE));
}
else
{
NodeStyleAttribute nodeStyle = port.node.GetType().GetCustomAttribute <NodeStyleAttribute>();
int height = (nodeStyle != null && !nodeStyle.displayHeader) ? NODE_LINE_HEIGHT : NODE_HEADER_HEIGHT;
Vector2 outputPosition = new Vector2(rect.x + rect.width + NODE_PORT_OFFSET - NODE_PORT_SIZE, rect.y - NODE_PORT_SIZE * 0.5f) + new Vector2(0f, height * 0.5f);
return(new Rect(outputPosition.x, outputPosition.y, NODE_PORT_SIZE, NODE_PORT_SIZE));
}
}
private void DrawPortFields(Rect rect, FlowNode node)
{
float labelWidth = GetLabelWidth(node);
float fieldWidth = GetFieldWidth(node);
for (int i = 0; i < node.Ports.Count; i++)
{
Port port = node.GetPort(i);
if (port.direction == PortDirection.Input)
{
Rect labelRect = new Rect(rect.x + NODE_CONTENT_OFFSET, rect.y + NODE_LINE_HEIGHT * i + GetHeaderRect(node, this.m_GraphOffset).height + (NODE_LINE_HEIGHT - NODE_FIELD_HEIGHT) * 0.5f, labelWidth, NODE_FIELD_HEIGHT);
if (port.Connections.Count == 0)
{
FieldInfo field = port.node.GetType().GetField(port.fieldName);
object value = field.GetValue(port.node);
if (port.label)
{
GUI.Label(labelRect, ObjectNames.NicifyVariableName(port.fieldName), Styles.nodeText);
}
Rect fieldRect = new Rect(rect.x + NODE_CONTENT_OFFSET + (port.label?labelWidth + NODE_CONTENT_OFFSET:0f), rect.y + NODE_LINE_HEIGHT * i + GetHeaderRect(node, this.m_GraphOffset).height + (NODE_LINE_HEIGHT - NODE_FIELD_HEIGHT) * 0.5f, fieldWidth, NODE_FIELD_HEIGHT);
EditorGUI.BeginChangeCheck();
if (port.fieldType == typeof(float))
{
value = EditorGUI.FloatField(fieldRect, (float)value);
}
else if (port.fieldType == typeof(string))
{
value = EditorGUI.TextField(fieldRect, (string)value);
}
else if (port.fieldType == typeof(AnimationCurve))
{
value = EditorGUI.CurveField(fieldRect, (AnimationCurve)value);
}
if (EditorGUI.EndChangeCheck())
{
field.SetValue(port.node, value);
GraphUtility.Save(this.m_Graph);
PrefabUtility.RecordPrefabInstancePropertyModifications(this.m_Target);
}
}
else
{
GUI.Label(labelRect, ObjectNames.NicifyVariableName(port.fieldName), Styles.nodeText);
}
}
NodeStyleAttribute nodeStyle = node.GetType().GetCustomAttribute <NodeStyleAttribute>();
if (nodeStyle == null)
{
nodeStyle = new NodeStyleAttribute(true);
}
Texture2D icon = Resources.Load <Texture2D>(nodeStyle.iconPath);
if (!nodeStyle.displayHeader && icon != null)
{
GUI.Label(new Rect(rect.x + rect.width - NODE_CONTENT_OFFSET - icon.width, rect.y + rect.height * 0.5f - icon.height * 0.5f, icon.width, icon.height), icon);
}
if (Event.current.type == EventType.Repaint) // && port.drawPort)
{
if (i > 0 && i < node.Ports.Count - 1)
{
Styles.seperator.Draw(new Rect(rect.x, rect.y + GetHeaderRect(node, this.m_GraphOffset).height + i * NODE_LINE_HEIGHT, !nodeStyle.displayHeader && icon != null ? GetContentWidth(node) + NODE_CONTENT_OFFSET * 1.6f:rect.width, 1f), false, false, false, false);
}
}
}
}