MultiRoom builds a complete interior layout inside the Unreal editor - and leaves you with ordinary actors you can edit, replace or bake.

Set the number of rooms, their size range, corridor width and wall thickness, pick a seed, and press Generate. MultiRoom plans a connected single-storey map, routes the corridors around the rooms, cuts real doorways and windows into the walls, places an automatic door at every threshold, lights each room in the chosen theme and drops a player start, an exit marker and a marked entrance. Press Play and walk through it.

Nothing is generated at runtime and nothing is hidden behind a black box: every wall is a Static Mesh actor, grouped per room in the Outliner, with collision set and materials assigned. The plugin is an editor tool - your packaged build does not need it.

EDIT THE PLAN, NOT JUST THE SEED. The panel shows the map as an interactive plan. Click a room to resize it, drag it to another cell, Shift-click two rooms to connect or disconnect them, or add a room next to the selected one. Corridors are re-routed as you work and the 3D scene updates on release. A change that would isolate a room, overlap two rooms or block a route is refused with a clear message instead of producing a broken map.

COME BACK TO A MAP LATER. Each generated map stores its settings and layout on its parent actor. Select any wall, press Read selection, and the panel is linked to that map again - resize a room, add a connection, and press Update to rebuild it in place.

THREE THEMES, READY TO RESTYLE. Sci-fi, horror and medieval, each with its own materials, textures, ambience, footsteps and door sounds. Sci-fi doors slide; horror and medieval doors swing. The medieval theme adds a beamed ceiling, baseboards and wooden jambs. Materials are plain assets inside the plugin: edit them, and the next generation uses your version.

FEATURES

• Deterministic seed-based generation: the same settings always give the same map

• - Interactive plan canvas: move, resize, connect and add rooms

• - Corridors routed automatically around the room cluster, with shared junctions

• - Real openings: doorways, windows with sills, frames and glass

• - Automatic doors, sliding or hinged by theme, with open and close sounds

• - Per-room themed lighting, with a flicker on the horror theme

• - Entrance door and optional "Enter here" marker on the start room

• - Player start, exit marker and a third-person pawn with theme-aware footsteps and ambience

• - Layout validation: connectivity, solid overlap and walkable clearance are checked before anything is built

• - Generated as Static Mesh actors, grouped per room, editable like any hand-placed geometry

• NOTES

• - Single storey: no stairs or vertical connections.

• - Rooms are rectangular and grid-aligned.

• - Geometry is built from the engine cube as a blockout you dress with your own assets.

• - Generation runs in the editor only.

• - If your project contains Unreal's Third Person template character, the included pawn uses it; otherwise it builds a block-out figure from engine primitives. No template content is shipped with this product.