entities - display on overlay

neural/Entities.lua

@@ -1,24 +1,28 @@
+local Config  = require('config')
 local Event   = require('event')
 local Project = require('neural.project')
 local UI      = require('ui')
 local Util    = require('util')
 
-local device = _G.device
+local device     = _G.device
+local peripheral = _G.peripheral
 
 local ni = device.neuralInterface
-local sensor = ni or device['plethora:sensor']
+local sensor = ni or device['plethora:sensor'] or peripheral.find('manipulator')
 if not sensor or not sensor.sense then
 	error('Plethora sensor must be equipped')
 end
 
-local canvas = ni.canvas()
-canvas.clear()
-
-Project:init(canvas)
-
 UI:configure('Entities', ...)
 
+local config = Config.load('Entities', { })
+
 local page = UI.Page {
+	menuBar = UI.MenuBar {
+		buttons = {
+			{ text = 'Project', event = 'project' },
+		},
+	},
 	grid = UI.ScrollingGrid {
 		columns = {
 			{ heading = 'Name', key = 'displayName' },
@@ -45,6 +49,14 @@ end
 function page:eventHandler(event)
 	if event.type == 'quit' then
 		Event.exitPullEvents()
+	elseif event.type == 'project' then
+		config.projecting = not config.projecting
+		if config.projecting then
+			Project:init(ni.canvas())
+		else
+			Project.canvas:clear()
+		end
+		Config.update('Entities', config)
 	end
 	UI.Page.eventHandler(self, event)
 end
@@ -54,15 +66,23 @@ Event.onInterval(.5, function()
 	local meta = ni.getMetaOwner()
 	Util.filterInplace(entities, function(e) return e.id ~= meta.id end)
 
-	canvas:clear()
+	if config.projecting then
-	Project:drawPoints(meta, entities, 'X', 0xFFDF50AA)
+		Project.canvas:clear()
+		Project:drawPoints(meta, entities, 'X', 0xFFDF50AA)
+	end
 
 	page.grid:setValues(entities)
 	page.grid:draw()
 	page:sync()
 end)
 
+if config.projecting then
+	Project:init(ni.canvas())
+end
+
 UI:setPage(page)
 UI:pullEvents()
 
-canvas:clear()
+if config.projecting then
+	Project.canvas:clear()
+end