Editor layout
The NP Editor window is laid out much like Unreal Engine 5. From top to bottom there are the menu bar, the main toolbar, the docking panels with the viewport in the middle, and the status bar. Buttons are shown as icons; hover over one to see its name and shortcut in a tooltip.
| No. | Area | What it does |
|---|---|---|
| 1 | Menu bar | File · Edit · Window · Tools · Build · Help menus, plus the world name and target version |
| 2 | Main toolbar | Save · modes · Add · Play · sound preview · block to place |
| 3 | Tools panel (Tools) | The tools and options of the current mode |
| 4 | Viewport | Where you see and edit the world in 3D. Two viewport bars float along its top. |
| 5 | Outliner · Details | The actor list and the properties of what is selected |
| 6 | Bottom area | Content Browser · Output Log · Console and other panels |
| 7 | Status bar | Progress · FPS · coordinates · selection size · save state |
Menu bar
Section titled “Menu bar”The parentheses next to a menu item show its current shortcut. If you change the shortcut, this text changes too. When a plugin adds a menu, the new menu appears before Help.
| Menu | Main items |
|---|---|
| File | New · Open… · Save · Save As… · Load autosave · Quick snapshot (all) · Load jar… · Make test terrain (256×256×128, performance check) · Build block list from server jar… (target version) · Rescan launcher folder (version list) · High-res screenshot… · Import: Model (.bbmodel .npmodel .obj .gltf .glb .fbx) · Import: .schem (Sponge schematic) |
| Edit | Undo · Redo · Clear history (discards undo steps) · Clean up empty actors · Toggle actor per shape · Toggle symmetry drawing · Cycle active symmetry · Toggle guide snap (placement · shape start point) · Lock selection (co-building) · Place comment pin (click · Esc to cancel) · Hide snapshot diff · Editor Preferences… · Project Settings… |
| Window | All panels (checked when open) · show ” area” · Maximize / restore viewport · Resource pack · Asset Editor (selected custom) · Reset layout |
| Tools | UV Editor · Switch Paint tab / World tab · Quad view · Play (first-person walk) · Simulate (free camera · logic) · Save selection as prefab · World logic · Logic graph · Sequencer (animation · cutscenes) · Create zone trigger… (drag a zone → template) · Design tools (bill of materials·planning sheet·map·travel distance·floor view)… · Performance settings… (view distance · LOD · shadows · threads) · Shortcuts… · Plugin Manager… · Toggle AI connection (MCP), and more |
| Build | Export: Resource pack piece · .npbuild (Ctrl+Shift+E) · Export: markers.json (server markers) · Build resource pack · Save as Minecraft world… · Export spawn cell list (json) |
| Help | Plugin list · About / Licenses · Account: Change password · Account: Sign out (builds that use sign-in only) |
The right end of the menu bar holds the following.
| Item | Details |
|---|---|
| World name | The current world file name. A new world that has not been saved is Untitled. Hover to see the full path. |
| Changed dot | A small dot lights up when there are unsaved changes. |
| Target version | A dropdown for choosing the Minecraft version to build the map for. See “Choosing the target version” in Install and first launch. |
Main toolbar
Section titled “Main toolbar”| Position | Button | What it does |
|---|---|---|
| Left | Save | Saves the current world (Ctrl+S). |
| Left | Mode row | Mode buttons such as Block brush, Selection, Landscape and Foliage. If there are more than 8, the rest are under ▾ More modes. |
| Left | Add | Quick add. Search for blocks, shapes, props, volumes, lights and markers and place them at the mouse position (or in front of the screen center if there is none). Enter = first item. |
| Center | Play · ▾ | Starts Play. In ▾, choose the mode (Play · Simulate) and start location (From current camera position · Spawn point). |
| Center | Pause · One tick · Eject · Stop | Used only during Play. See Testing in Play mode. |
| Right | Sound preview | Turns sound emitter preview on and off and sets its master volume. |
| Right | Block to place | The icon and name of the block you will place. |
You can also switch modes with number keys. 1–7 go to Block brush, 4 · 8 to Selection, and T to Landscape mode. For the full list of keys, see Shortcuts.
Docking panels
Section titled “Docking panels”The default layout is as follows.
| Area | Panels open by default | Panels opened from the Window menu (examples) |
|---|---|---|
| Left | Tools | — |
| Upper right | Outliner | — |
| Lower right | Details | History · Play State |
| Bottom | Content Browser · Output Log · Console | Block palette · Texture · Prefabs · Load budget · Snapshots · Co-building · Sound · Sky · HUD · Sequencer · World logic · Logic graph · Resource pack · Asset Editor |
| Panel | Contents |
|---|---|
| Tools | A grid of tool icons and the options for the current mode. Icon tooltips show “name (key)”. |
| Outliner | Shows the world’s actors with name, type, eye, lock and block count. Has search and folders. See Scene actors and Outliner. |
| Details | Shows the properties of the selected actor, block or selection as “name | value” rows. |
| Content Browser | Find blocks, prefabs, models, sounds and textures and drag them into the viewport. See Content Browser. |
| Output Log | All text written by the editor and plugins. Every short notification is also kept here. |
| Console | Type commands as text: fill · replace · select · tp · lookat · cam · shot · help, and more. ↑ ↓ = previous commands, Tab = completion. ~ is the cell under the mouse. |
| History | The list of undo steps. Click a row to go to that step. |
Moving panels
Section titled “Moving panels”| Action | Result |
|---|---|
| Drag a tab to another area | Moves it to that area. |
| Right-click a tab › Move to left, etc. | Moves it to that area. |
| Right-click a tab › To floating window | Pops the panel out into its own window. Closing the window returns it to its original area. |
| Right-click a tab › Close | Closes the panel. Reopen it from the Window menu. |
| Window › ” area” | Shows or hides that area. |
| Ctrl+Space | Collapses and expands the bottom area. If no panel is open, opens the Content Browser. |
| F11 · Window › Maximize / restore viewport | Hides all docking areas and shows only the viewport. Press again to bring back the areas that were visible. |
| Window › Reset layout | Returns to the default layout. |
The layout (areas, order, open, collapsed, split positions) is kept the next time you launch.
Floating windows
Section titled “Floating windows”Since 0.9.9: Floating panels and tool windows open as operating system windows. You can move them outside the editor window or to another monitor.
This applies to floating panels, prefab editing, Design tools, Export, Editor Preferences, Shortcuts, Plugin Manager, Performance settings, the zone trigger wizard, formula editing, the UV Editor, and the world logic variables window. To keep them inside the editor window, turn off Edit › Editor Preferences… › Appearance › Floating windows outside the editor. Windows that are already open change the next time you open them.
Dialogs close with Esc. The primary action button is the blue button at the lower right.
Viewport
Section titled “Viewport”Two translucent bars float along the top of the viewport.
| Bar | Buttons |
|---|---|
| Left bar | View type (Perspective · Top · Bottom · Front · Back · Left · Right) · View mode · Sun · Atmosphere · lighting · Show flags |
| Right bar | Select · Move · Rotate · Scale gizmos · World/Local · Grid snap · Rotation snap · Camera speed · Quad view · Maximize viewport |
Click the axis indicator at the lower left to switch to an orthographic view from that direction. Each button is explained in detail in Camera and views.
Viewport right-click menu
Section titled “Viewport right-click menu”Right-click without dragging to open a menu. Holding the right mouse button and moving the mouse looks around with the camera.
| Group | Items |
|---|---|
| Edit | Cut · Copy · Paste here · Duplicate (beside) · Delete |
| Selection | Selection → make actor · Select all matching blocks · Same block within selection only · Invert selection |
| View | Camera here · Drop to floor · Hide · Show all hidden |
| Quick add | Submenus by category — places the item in the cell you right-clicked. |
Notifications
Section titled “Notifications”Short notifications appear briefly at the lower right of the viewport and then disappear. The same text is kept in the Output Log.
Status bar
Section titled “Status bar”The single row at the bottom of the window. From the left, it shows the following in order.
| Item | Details |
|---|---|
| Message | The last notification text. |
| Long task progress | While a long task runs, its name, a progress bar and a cancel button (Esc) are shown. |
| Selection size | The selection size (e.g. “Selection 8×5×6”) or the number of cells in a grouped selection. |
| Meshing | The number of chunks waiting for meshes to draw. Hover for detailed values. |
| FPS | Recent average frames per second. |
| Coordinates | The coordinates of the cell under the mouse. The coordinates in parentheses are the cell where a block would be placed. |
| Save state | Saved or Modified. |
Paint tab
Section titled “Paint tab”The viewport area is split into a World tab and a Paint tab. Switch with Ctrl+Tab or Tools › Switch Paint tab / World tab. While the Paint tab is shown, world editing keys are blocked. See Paint and materials.