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Coding Passion

Quick Start — Wall Plugin

Quick Start — Your First Wall in the Editor

This guide gets you to a working wall as quickly as possible. You will place a wall, adjust its length, connect two walls at a corner, and add a window.

1. Open the CodPassionWall editor panel

Open a level in the Unreal Editor, then locate the CodPassionWall tool panel.

2. Place your first wall

In the CodPassionWall panel:

  1. Set the desired Height and Width for the wall (defaults: Height 260, Width 20).
  2. Click the Place Wall button to activate placement mode.
  3. In the Place Actors panel, you can also find the wall Blueprint by searching for PlaceableWall_BP.
  1. Move your cursor over the viewport floor — a preview wall follows your cursor.
  2. Left-click to set the wall’s start point.
  3. Move the cursor to where the wall should end.
  4. Left-click a second time to place the wall.

The wall is created and recorded in the undo/redo history. Press Ctrl+Z to undo.

To cancel placement before finishing, right-click or click Place Wall again.

3. Adjust position and length manually

You can also adjust a wall’s properties directly in the Details panel:

  • Start position — move the actor in the viewport (the start position follows the actor’s location).
  • End position — change the end_point vector under WallPlugin | Wall in the Details panel.

After changing end_point in the Details panel, the wall mesh updates automatically via the Construction Script.

4. Connect two walls at a corner

A house needs more than one wall. To create a seamless corner:

  1. Place a second wall so its end point meets the start point of the first wall.
  1. Select the second wall in the viewport.
  2. In the Details panel, find the WallPlugin | Wall | Neighbors section.
  3. Add the first wall to the Connected Walls End array.
  1. Select the first wall.
  2. In the same section, add the second wall to the Connected Walls Start array.

The corner updates and the two wall meshes now share vertices cleanly. This works at any angle, and with three or more walls meeting at a point.

5. Add a window

  1. In the Place Actors panel (or Content Browser), search for Window_BP.
  1. Drag Window_BP onto the wall where you want the window.
  1. Select the wall actor in the viewport.
  2. In the Details panel, go to WallPlugin | Wall | Reveals.
  3. Click the + button to add an entry to the reveal_refs array.
  4. Click the eyedropper (Pick Actor from Scene) button next to the new entry.
  5. Click the Window_BP actor in the viewport.

The window registers itself on the wall. The hole is cut automatically, and the window stays aligned to the wall as you move it.

6. Add a door

Same process as the window, but use Door_BP instead of Window_BP.

Next steps