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New FlexiWall tool in the Designer: draw curved or straight walls of any shape — arcs, circles, sweeping curves — that are not constrained to the rectangular grid. Select the tool, click a start cell, click an end cell, then drag the midpoint handle to bend the arc into shape. Endpoints snap automatically to the correct cell-edge boundary so adjacent FlexiWalls meet without gaps.
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Full circle support: placing start and end in adjacent cells and dragging the midpoint to the opposite side of the circle produces a closed ring wall — both in the Designer preview and the in-game build.
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New InternalWallHeightLevel1/2/3 config parameters: FlexiWalls whose control points lie strictly inside the layout perimeter are now treated as interior walls and stacked to the new InternalWallHeightLevel height instead of the external wall height. Set it lower than ExternalWallHeightLevel for half-height room dividers, or match it for uniform wall height throughout.
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Fixed: Gable roofs no longer have gaps caused by openings below. Staircases, Hearths, and other upper-level openings could previously block or punch holes through Gable roof panels, leaving the roof incomplete. The Gable roof now always builds as a full, continuous surface across the entire footprint regardless of what's underneath it.
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Fixed: Staircases no longer leave holes in the roof above them. Roof tiles directly over a staircase shaft were being destroyed during cleanup even though staircases don't need an opening through the roof — they're now left intact, so the roof stays solid above stairwells.
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Fixed: Hearth chimneys now properly clear Gable roofs. Chimney stacks — including those on the ground floor — now measure their height against the actual roof apex and clear away any surrounding roof and deck tiles, so the chimney extends cleanly above the roofline instead of being blocked or clipped by it.
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Designer: Excel-style row/column reference labels. Numeric grid references now run along all four edges of the canvas (top/bottom for columns, left/right for rows), matching the same 0-based col/row numbering used internally and in .vfp files, making it much easier to line up placements by eye or by coordinate.
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Designer: furniture pieces are now selectable, movable, and rotatable after placement. Bed, Staircase, Hearth, and Workbench pieces show a small handle at their centre once placed (or loaded from a file). Drag the handle to move the piece, click it to select it, then use the arrow keys or mouse wheel to rotate it in place — no need to delete and re-place a piece just to nudge or turn it.
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Designer: reworked right-click and deletion to prevent accidental removals. Right-click (and Escape) now simply cancels whatever's active — an in-progress FlexiWall draw, a piece selection/drag, or the current tool — without deleting anything. To delete a piece, hover it and press Delete/Backspace; this also removes the currently selected piece if one is selected. Escape also now reliably clears tool selection and any in-progress interaction, returning the cursor to normal.
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Designer: FlexiWalls use the same select-then-delete flow as furniture pieces. Placed FlexiWalls show a midpoint handle that can be clicked at any time (no need to have the FlexiWall tool active) to select the wall — shown with the same dashed yellow outline used for selected furniture — and then removed with Delete/Backspace. Right-click on a FlexiWall handle no longer deletes it; right-click is now purely a cancel action everywhere, matching Escape. While the FlexiWall tool is active, the handle still drags to reshape the curve as before.
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Designer: selecting a placed piece via its handle also activates the matching tool. Clicking a furniture piece's or FlexiWall's handle switches the active tool radio to that piece's type — for FlexiWalls, this is what re-enables the handle's drag-to-reshape behavior immediately after selecting it.
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Designer: Delete/Backspace removal is now scoped to the active tool's piece type. With the Hearth tool selected, for example, Delete/Backspace can only remove Hearth pieces — Floors, Walls, and other types under the cursor are left alone, preventing accidental removal of the wrong piece type while focused on one kind. With no tool selected, any piece type can still be removed.
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Designer: the piece Delete/Backspace would remove is now highlighted as you hover. When a tool is active (or a piece/FlexiWall is selected), the exact piece that the next Delete/Backspace press would remove is outlined and tinted in red on the canvas, so you can see precisely what's targeted before committing to the deletion.
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Upper-level preview bands: when FloorPlanLevels is 2 or 3, the in-world build preview now shows a red floating rectangle at the height of each upper floor (based on ScaffoldingFloorHeight / ScaffoldingFloorHeight#2), so you can see the full multi-storey footprint before confirming placement.
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Keep-terrain undo mode (Ctrl+F9): a new hotkey (configurable via UndoKeepTerrainHotkey, default Ctrl+F9) starts a piece-only undo that removes VFP pieces but discards the terrain snapshot, so leveled ground is preserved. Confirmation works the same as normal undo — the mode is latched so you can confirm with either Ctrl+F9 or F9 within the 5-second window.
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In-game preset bundle manager (.vpfset): added timestamped export (Ctrl+F8) and interactive timed import selection (Alt+F8) for sharing/reloading full build presets (layout files + non-key config settings). Export file names now use <BundleName>-YYYYMMDD-HHMMSS.vpfset, and after import the config BundleName is normalized back to the imported preset prefix (timestamp removed). Import selection shows bundle name plus index (X of N), supports Right/Left navigation, Enter to confirm import, Escape to cancel, and auto-cancels on timeout.
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3 Level Build Demo video published: https://youtu.be/jz39KSSfhJ0
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Critical bug fix — terrain levelling restored: A long-standing coordinate offset error in TerrainLeveler caused all stamp positions to be calculated hundreds of metres away from the actual build site whenever the player was not near world origin. As a result, terrain levelling was silently skipped on virtually all real-world builds. This has been corrected; levelling now works correctly at any world position.
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Designer now supports 3 in-memory level layouts with quick switching (Level 1/2/3), per-level file/dirty state, and overlay checkboxes for cross-level visual planning.
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Overlay clash hints are now directional and content-aware: bright red dotted outlines flag overlap candidates across visible levels, with lower-level Staircase/Hearth projecting upward while non-vertical tools do not.
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Bed pieces now show a head-direction arrow in the Designer, and are placed in-game with the correct head orientation matching the Designer layout.
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Expanded multi-floor support for 2nd and 3rd floor plans, including upper-level staircase placement.
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Multi-level builds now place pieces level-by-level with route-critical parts first (staircases/hearths), then remaining pieces.
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Stair and chimney shafts are now treated as protected vertical routes so higher-level pieces do not block those paths.
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Upper-level floor tiles from plan files are skipped when scaffold decks already provide those floors, avoiding duplicate overlap.
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Improved clash feedback for upper levels:
- clearer warning categories in HUD/logs,
- per-level clash signposts with level-specific detail signs.
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Improved upper-level wall behavior:
- walls/pillars/doorways can be placed on upper-level perimeter cells,
- perimeter wall/pillar height now uses per-level settings (
ExternalWallHeightLevel1/2/3) with dynamic per-level caps.
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Added StaircaseReachMode config (ToTheNextLevelOnly / AllTheWay) to control whether staircases climb only to the next level or continue to the highest available level.
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Fixed staircase shaft punch-through so deck/beam openings and higher-level staircase-shaft blocking now respect StaircaseReachMode (no extra holes above the configured reach).
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Improved validation and warnings for invalid upper-floor layout files and bounds mismatches.
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Updated and expanded user/developer documentation to describe current multi-level behavior.
