change editor_mode to editor.active, minor refactor, and start work on multiselect

code/editor.lua

@@ -1,11 +1,15 @@
 assert(editor == nil)
 editor = {
+	active = false,
 	room_mode = false,
-	--palette_mode = false,
 	palette = {
 		active = false,
 		scroll = Point:new(0, 0),
 	},
+	multiselect = {
+		active = false,
+		box = nil,
+	},
 	pan = { fixed = false, speed = 3 },
 }
 
@@ -89,13 +93,6 @@ function stepEditor()
 				end,
 		}):activate()
 	end
-
-	if Keybind:checkPressed(Keybind.debug.editor) then
-		editor_mode = not editor_mode
-		deselectSpawns()
-		createTileObjects()
-		restartGame()
-	end
 end
 
 function scrollEditor(y)

code/game.lua

@@ -53,10 +53,6 @@ function stepGame()
 			initMenu("dialog",dialog_sequence.example)
 	end
 
-	if Keybind:checkPressed(Keybind.debug.editor) then
-		editor_mode = true
-	end
-
 	if Keybind:checkPressed(Keybind.debug.recording) then
 		if DemoRecording then
 			Demo:endRecord()