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j.foucher b089a20512 Add PS_Editor plugin Phase 1: GameMode + Camera navigation

Runtime editor plugin with UE viewport-style camera controls:
- ZQSD/Arrows movement (always active), E/A for up/down
- LMB: pan (horizontal move + yaw), RMB: free fly look
- Alt+LMB / MMB: orbit around focal point, scroll: zoom
- HUD with controls help, cursor auto-hide during camera ops

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-10 12:33:55 +02:00

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PS_ProserveEditor - Project Guidelines

Project Overview

Unreal Engine 5.5 project with runtime editor plugin (PS_Editor). The plugin enables runtime scene editing in packaged builds: object placement, property editing, scenario definition, splines, lighting, and JSON scene save/load.

Architecture

Plugin: PS_Editor (runtime plugin, must work in packaged builds)
UI: UMG driven by C++
Gizmos: InteractiveToolsFramework (UE5 built-in)
Serialization: JSON via Json/JsonUtilities modules
Input: Enhanced Input system

Naming Conventions

All plugin files and classes use the PS_Editor_ prefix (e.g., PS_Editor_GameMode, PS_Editor_Pawn)
Code and comments in English
Standard UE5 prefixes: A for Actors, U for UObjects, F for structs, E for enums, I for interfaces

Code Quality

Prefer correct, complete implementations over minimal ones.
Use appropriate data structures and algorithms — don't brute-force what has a known better solution.
When fixing a bug, fix the root cause, not the symptom.
If something requires error handling or validation to work reliably, include it without asking.

Build

Engine: Unreal Engine 5.5
Plugin location: Unreal/Plugins/PS_Editor/
Game module: PS_ProserveEditor (in Unreal/Source/PS_ProserveEditor/)

CLI build command (Editor, Development):

"<UE_INSTALL>/Engine/Build/BatchFiles/Build.bat" PS_ProserveEditorEditor Win64 Development -Project="<REPO>/Unreal/PS_ProserveEditor.uproject" -WaitMutex -FromMsBuild

UE install path can be found via registry: HKLM\SOFTWARE\EpicGames\Unreal Engine\5.5 > InstalledDirectory

Project Memory

Shared project memory is stored in .claude/memory/ (versioned in the repository). When starting a new session on any machine, read these files to restore context:

MEMORY.md — Index of all memory files with one-line summaries
project_ps_editor.md — Project scope, technical decisions, current phase
feedback_naming.md — Naming conventions and user preferences
reference_build.md — Full build command and UE install path details

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