Add touch control for test clutch

create_boiler_display.lua

@@ -4,7 +4,10 @@
 local EXPECTED_BOILERS = 3
 local REFRESH_SECONDS = 1
 local MIN_WIDTH = 38
-local MIN_HEIGHT = 11
+local MIN_HEIGHT = 14
+local CLUTCH_OUTPUT_SIDE = "right"
+
+local clutchButton = { x1 = 0, x2 = 0, y = 0 }
 
 local monitor = peripheral.find("monitor")
 if not monitor then
@@ -131,6 +134,32 @@ local function formatInteger(value)
   return table.concat(parts, ".")
 end
 
+local function drawClutchButton(height)
+  local width = monitor.getSize()
+  local signal = redstone.getOutput(CLUTCH_OUTPUT_SIDE)
+  local label = signal and " CLUTCH SIGNAL: ON " or " CLUTCH SIGNAL: OFF "
+  local x = math.max(1, math.floor((width - #label) / 2) + 1)
+  local y = math.max(13, height - 1)
+
+  clutchButton.x1 = x
+  clutchButton.x2 = math.min(width, x + #label - 1)
+  clutchButton.y = y
+
+  monitor.setCursorPos(1, y)
+  monitor.setBackgroundColor(colors.black)
+  monitor.write((" "):rep(width))
+  monitor.setCursorPos(x, y)
+  monitor.setBackgroundColor(signal and colors.orange or colors.gray)
+  monitor.setTextColor(colors.black)
+  monitor.write(label)
+  monitor.setBackgroundColor(colors.black)
+end
+
+local function toggleClutchSignal()
+  local signal = redstone.getOutput(CLUTCH_OUTPUT_SIDE)
+  redstone.setOutput(CLUTCH_OUTPUT_SIDE, not signal)
+end
+
 local function render()
   local _, height = monitor.getSize()
   local boilers, networks = discoverReaders()
@@ -157,13 +186,14 @@ local function render()
     center(9, "Reader auf Speed-/Stressometer", colors.orange)
   end
 
-  if height >= 13 then center(height, "Nur Anzeige - keine Steuerung", colors.gray) end
+  drawClutchButton(height)
+  center(height, "Touch = Redstone umschalten", colors.gray)
   monitor.setTextColor(colors.white)
   monitor.setBackgroundColor(colors.black)
   term.setCursorPos(1, 1)
 end
 
-while true do
+local function safeRender()
   local ok, reason = pcall(render)
   if not ok then
     monitor.setBackgroundColor(colors.black)
@@ -171,5 +201,21 @@ while true do
     center(1, "ANZEIGEFEHLER", colors.red)
     center(3, tostring(reason), colors.orange)
   end
-  sleep(REFRESH_SECONDS)
+end
+
+safeRender()
+local refreshTimer = os.startTimer(REFRESH_SECONDS)
+
+while true do
+  local event, first, second, third = os.pullEvent()
+  if event == "timer" and first == refreshTimer then
+    safeRender()
+    refreshTimer = os.startTimer(REFRESH_SECONDS)
+  elseif event == "monitor_touch" then
+    local x, y = second, third
+    if y == clutchButton.y and x >= clutchButton.x1 and x <= clutchButton.x2 then
+      toggleClutchSignal()
+      safeRender()
+    end
+  end
 end