Add .lua extensions, reorder file structure

starNav/starNav_goto.lua

@@ -0,0 +1,52 @@
+local function printUsage()
+	print("Usage:")
+	print(fs.getName(shell.getRunningProgram()).." <map_name> <x_pos> <y_pos> <z_pos> <(optional)max_distance>")
+	print("<map_name> The name of the remoteMap to connect to and use.")
+	print("<x_pos> <y_pos> <z_pos> The GPS coordinates you want to go to.")
+	print("<(optional)max_distance> The farthest distance allowed to travel from start position.")
+end
+
+if not starNav then
+	if not os.loadAPI("starNav") then
+		error("could not load starNav API")
+	end
+end
+
+local tArgs = {...}
+
+if type(tArgs[1]) ~= "string" then
+	printError("map_name: string expected")
+	printUsage()
+	return
+end
+starNav.setMap(tArgs[1])
+ 
+for i = 2, 4 do
+	if tonumber(tArgs[i]) then
+		tArgs[i] = tonumber(tArgs[i])
+	else
+		printError("argument "..i.." must be a valid coordinate")
+		printUsage()
+		return
+	end
+end
+
+local maxDistance
+if tArgs[5] ~= nil then
+	if tonumber(tArgs[5]) then
+		print("setting max_distance to: ", tArgs[5])
+		maxDistance = tonumber(tArgs[5])
+	else
+		printError("max_distance: number expected")
+		printUsage()
+		return
+	end
+end
+
+print("going to coordinates = ", tArgs[2], ",", tArgs[3], ",", tArgs[4])
+local ok, err = starNav.goto(tArgs[2], tArgs[3], tArgs[4], maxDistance)
+if not ok then
+	printError("navigation failed: ", err)
+else
+	print("succesfully navigated to coordinates")
+end