InteractionTableDrawer

Odin value drawer for InteractionTable. Renders the table as a list of InteractionContext entries with a custom add function, and provides a "Create Table" button when the table is null. Includes an attribute processor that disables context menus on prefab instances.

Definition

Namespace: Paragon.Townskeep.InteractionSystem.Editor Assembly: Townskeep.Editor.dll

[DrawerPriority(0.0, 0.0, 3000.0), DrawerIndentation, UsedImplicitly]
public class InteractionTableDrawer : OdinValueDrawer<InteractionTable>

Inheritance: OdinValueDrawer<InteractionTable> → InteractionTableDrawer

Remarks

This drawer handles two visual states for InteractionTable:

State 1: Table is Null

When the InteractionTable value is null (table not yet created), the drawer renders a label with a "Create Table" button. Clicking it instantiates a new InteractionTable().

State 2: Table Exists

When the table has a value, the drawer renders the inner table list property using Odin's built-in collection drawer, but injects a custom add function via CollectionDrawerStaticInfo.NextCustomAddFunction. This ensures that new entries are created as properly constructed InteractionContext instances (with empty trigger/condition lists) rather than default-constructed objects.

Custom Add Function

The AddNewInteractionContext() method:

1. Retrieves the backing List<InteractionContext> from the table property

2. Records an undo operation ("Add new Interaction Context")

3. Creates and adds a new InteractionContext()

4. Marks the serialization root dirty for save

AttributeProcessor

A nested AttributeProcessor class disables the Odin right-click context menu on prefab instances. This works in tandem with InteractableEditor's read-only enforcement to prevent modification of interaction data on scene instances.

Target	Attribute Added	When
InteractionTable (self)	[DisableContextMenu]	On prefab instances
table field (child)	[DisableContextMenu]	Always (prevents reorder/delete via context menu on the inner list)

Quick Lookup

Goal	How
Create a new interaction table	Click "Create Table" button (when table is null)
Add a new interaction context	Use the list "+" button (custom add function)
Edit interaction contexts	Expand individual entries (rendered by InteractionContextDrawer)

Methods

DrawPropertyLayout (override)

Main drawing method. Handles the null-table state with a "Create Table" button, or delegates to Odin's collection drawer with a custom add function for existing tables.

protected override void DrawPropertyLayout(GUIContent label)

Parameter	Type	Description
label	GUIContent	The property label (defaults to "Interaction Table" if null)

Nested Types

AttributeProcessor

Odin attribute processor that adds [DisableContextMenu] to prevent unintended modifications via right-click menus on prefab instances.

class AttributeProcessor : OdinAttributeProcessor<InteractionTable>

Methods:

• ProcessSelfAttributes(...) — adds [DisableContextMenu] to the InteractionTable itself when on a prefab instance

• ProcessChildMemberAttributes(...) — adds [DisableContextMenu] to the table child field unconditionally

Common Pitfalls

CollectionDrawerStaticInfo.NextCustomAddFunction is global state The custom add function is set via a static property on CollectionDrawerStaticInfo. It is consumed (cleared) by the next Odin collection drawer that renders. If the draw order changes or the property is consumed by a different collection, the add function may not apply to the intended list.

Table field resolved by name The inner list property is resolved via Property.Children["table"]. If the backing field in InteractionTable is renamed, this drawer will break.

Undo support requires serialization root dirty AddNewInteractionContext() calls both RecordForUndo() and MarkSerializationRootDirty() to ensure Odin properly tracks the change. If either is missing, undo or save may not function correctly.

See Also

• InteractionTable — the type this drawer renders

• InteractionContextDrawer — draws individual context entries within the table

• InteractionConditionDrawer — draws conditions within each context

• InteractableEditor — the editor that hosts this drawer