Cheat sheet

Editor

Keys	Does
`Ctrl` `K`	Command palette: modules, undo, redo, export, play, settings, recent maps
`Ctrl` `,`	Settings
`Ctrl` `Z` / `Ctrl` `Shift` `Z`	Undo / redo
`Ctrl` `1` … `6`	Terrain, Objects, Triggers, Imports, Players, Shaders
Left button	Paint, select, place
Right drag, `Cmd` drag	Orbit the camera
`Shift` right drag, middle button	Pan
Wheel, pinch	Zoom
`Esc`	Close a picker or dialog

The editor saves by itself a second after every change. Export makes the one-file .a4m.

Game

Keys	Does
Click, drag box	Select. A box does not pick buildings.
`Shift` click or drag	Add to the selection. `Shift` click on a selected unit takes it out.
Double click	Select all units of that kind on the screen
Right click on a unit	Attack it if it is an enemy; on an ally, walk there. Attacking an ally is forced: `A`, then click it
`Shift` right click	Attack the enemy nearest the pointer (up to about 160 pixels away); with none near, move there
`Ctrl` 1–9, 0	Save the selection in a control group
1–9, 0	Select the group. Twice quickly: move the camera to it.
Right click on the ground	Move
Right click on an enemy	Attack
`M` then click	Move
`A` then click on an enemy	Attack
`A` then click on the ground	Attack-move
`S`	Stop
Command card slot, then click on the ground	Build. A training slot trains at once.
Wheel	Zoom
Edge of the window, arrow keys	Slide the camera
Middle button drag	Drag the map
Click or drag on the minimap	Move the camera
Right click on the minimap	Move the selected units there
`Alt` click on the minimap	Ping for your team
`Alt` click on the ground	Small "here" ping for your team
`Alt` click and drag	Opens the ping wheel: danger, I need help, push, fight, I'm going here, ward here, missing?, vision. Let go over one to send it; right click cancels
`Tab` (hold)	Players overlay: who is in the game
`</kbd>`	Hero camera mode: Free, Fixed, Dynamic (with hero focus on)
`V`	Utility slot: place a ward or use the sweeper
`F8`	Send feedback (start screens)
`Enter`	Chat (team); `Shift` `Enter` to everyone
Click the chat lines	Open the full message history (chips: All, Team, Events, System, Debug)
`Ctrl` `F`	Search the messages in the history; `Esc` clears the search
`Up` / `Down` in the chat box	Recall what you sent before; `Tab` completes a command
`F12`	Developer messages (Debug view); click the chat lines for the full history
`?` (`Shift`+`/`)	Keyboard help: every key, made from the same list as the command palette
`Y`	Lock the camera on the hero (also in the palette)
`F3`	Debug overlay: compact, detailed, off
`Ctrl` `H`	Hide the interface
`Ctrl` `K`	Command palette: orders, build and train (with costs), select army / idle worker / hero / groups, camera, chat, pings, interface; dimmed entries say why they cannot run
`Esc`, `F10`	Game menu: Resume, Settings, Quit to start screen, Quit game

M, S, A, F10, F12 and Tab are the defaults. You can change them in Settings > Input.

Commands

Press Enter, then type a /. Tab completes, up and down pick, and up on an empty line recalls what you sent before.

Command	Does
`/help`	All commands, the map's own included
`/all <text>`	Say it to everyone
`/fps`	Debug overlay
`/hideui`	Hide or show the interface

These are cheats. They work only in a game at one computer.

Command	Does
`/gold <n>`	Give gold (negative takes it)
`/reveal`	Show the whole map
`/spawn <unit> [n]`	Put units under the pointer, 1 to 50
`/kill`	Kill the selection
`/instant [on\|off]`	Training and building finish at once
`/speed <x>`	Game speed, 0.1 to 8
`/level <1-10>`, `/mana <n>`	Set the selected heroes' level and mana

Command line

Command	Does
`w4-engine`	Start screen
`w4-engine <map>`	Play a map (folder or `.a4m`)
`w4-engine --info <map>`	Print what the map holds

Scripting

import (
	"w4/event"   // OnMapInit, OnUnitDied, OnUnitDamaged, OnEnter, OnLeave, Every, After
	"w4/game"    // Print, SpawnUnit, Units, Time, Command, NewRegion, NewCircle
	"w4/player"  // Red ... Brown, Neutral, NeutralAggressive, Everyone
	"w4/ui"      // Text, Button, Panel, Quest, FloatText
)

Build: the editor's Build or Play, or GOOS=wasip1 GOARCH=wasm go build -buildmode=c-shared -o map.wasm . in scripts/. The API is in your data folder (%LOCALAPPDATA%\W4\go-sdk on Windows); the map's go.work points at it.

Files

Path	What
`map.toml`	name, size, settings, players, the format and editor version
`assets/`	models, textures, sounds
`scripts/`	`main.go`, `go.mod`, `go.work`, `map.wasm`
`shaders/`	`unit.wesl`, `terrain.wesl` when the map has its own
`sounds.toml`	gains from Normalise
`activity.log`	everything the activity panel showed
`<map>.a4m`	the exported, encrypted one-file map