Refactor spline system to use IPS_Editor_SplineEditable interface:
- New interface in Spline/PS_Editor_SplineEditable.h with all editing methods
- APS_Editor_SplineActor and APS_BehaviorEditor_AISpline both implement it
- All ~40 Cast<APS_Editor_SplineActor> replaced with Cast<IPS_Editor_SplineEditable>
- UndoManager SplinePointAction uses TWeakObjectPtr<AActor> + interface cast
- Any actor implementing the interface works with full editor spline editing
Spline visibility:
- SetVisualizationVisible() hides tube/handles/cube in gameplay (data stays for AI)
- SceneLoader calls it when stripping editor components
- SplineMatOccluded material added (unused for now, PP occlusion planned)
Other improvements:
- Snap spline CP to ground on placement (downward raytrace)
- Play button works without BaseLevel (uses current editor map)
- AISpline triggers SplineNetwork::RebuildNetwork on BeginPlay (next tick)
- PS_BehaviorEditor marked EnabledByDefault: false (only active in PROSERVE)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
New plugin that bridges PS_Editor and PS_AI_Behavior:
- APS_BehaviorEditor_AISpline inherits from APS_AI_Behavior_SplinePath
(detected by SplineNetwork, usable by BT tasks)
- Implements IPS_Editor_PointPlaceable (click-to-place flow)
- Full tube visualization + handles (adapted from PS_Editor_SplineActor)
- SpawnableComponent (catalogue category "AI") + EditableComponent
- Editable AI properties: SplineCategory, bBidirectional, SplineWalkSpeed, Priority
- Custom serialization for spline points + AI properties
- No modifications to PS_Editor or PS_AI_Behavior plugins
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
