Add inter-processor signalling to automate entire launch process.

prog/launchpad.ks

@@ -4,11 +4,13 @@
 // to the main ship computer.
 //
 // The launchpad object should have the "launchpad" tag.
+// The ship's main CPU (the one with launch functionality" should be tagged "shipcpu".
 // Fuel tanks with the "nofuel" tag will have *all* resources temporarily disabled during this
 // sequence. The main ship computer must re-enable them after staging. NoFuelResources in lib/systems is ideal
 // for this.
 
 RunOncePath("/lib/systems").
+RunOncePath("/lib/ui").
 
 ClearGuis().
 
@@ -28,21 +30,31 @@ function enableLaunchpadFlow {
 }
 
 function preLaunch {
+  parameter options.
+
   print "Beginning pre-launch sequence.".
   NoFuelResources(false).
 
   // turn on generator and fuel flow
   enableLaunchpadFlow().
 
+  local duration is options["Spool-up Time"]:TEXT:ToNumber().
   lock THROTTLE to 0.
   stage.
   local startTime is TIME:SECONDS.
-  lock THROTTLE to (TIME:SECONDS-startTime)/15.
+  lock THROTTLE to (TIME:SECONDS-startTime)/duration.
-  wait 15.
+  wait duration.
   set SHIP:CONTROL:PILOTMAINTHROTTLE to 1.0.
   unlock THROTTLE.
 
-  print "Pre-launch sequence complete.".
+  print "Pre-launch sequence complete. Initiating launch.".
+
+  local msg is Lex(
+    "command", "launch",
+    "angle", options["Kick Angle"]:TEXT:ToNumber(),
+    "time", options["Kick Time"]:TEXT:ToNumber()
+    ).
+  Processor("shipcpu"):CONNECTION:SendMessage(msg).
   iface:Hide().
   shutdown.
 }
@@ -51,8 +63,20 @@ global iface is gui(250, 300).
 set iface:X to 200.
 set iface:Y to 500.
 local top is iface:AddVLayout().
+local row is iface:AddHLayout().
+local stk is iface:AddStack().
+
+MakeMenu(
+  stk,
+  MakeButton(row, "Launch Sequence"),
+  List(
+    List("Spool-up Time", "SCALAR", "15"),
+    List("Kick Angle", "SCALAR", "30"),
+    List("Kick Time", "SCALAR", "45")
+  ),
+  "Execute",
+  preLaunch@
+).
 
-local btn is top:AddButton("Pre-Launch").
-set btn:onClick to preLaunch@.
 iface:Show().
 wait until false.

prog/rocket.ks

@@ -172,6 +172,25 @@ MakeMenu(
 ).
 
 iface:show().
+
+until SHIP:STATUS <> "PRELAUNCH" {
+  if not CORE:MESSAGES:EMPTY {
+    local msg is CORE:MESSAGES:Pop().
+    local data is msg:CONTENT.
+    if data["command"] = "launch" {
+      Launch(
+        80000,
+        2.0,
+        5.0,
+        data["angle"],
+        data["time"],
+        true
+      ).
+    }
+  }
+  wait 0.001.
+}
+  
 wait until false.
 
 function refreshSensors {