Refactor code for invoke_lua_source and world.init. Also, add compile_commands.json to luprex

luprex/lua/login.lua

@@ -1,14 +1,23 @@
+makeclass("world")
 makeclass('login')
 makeclass("engio")
 makeclass('cube')
 makeclass('sphere')
 
+-- This gets called on every login except the admin user.
 function login.init()
     local actor = tangible.actor()
     dprint("login.init:", actor)
     tangible.animinit(actor, {bp="character", plane="earth", xyz={0, 0, 90}})
-    tangible.build{class=cube, xyz={500,-100,0}}
-    tangible.build{class=sphere, xyz={500,100,0}}
+end
+
+-- This gets called on the admin user.  You can call login.init in here if you want.
+function world.init()
+    local actor = tangible.actor()
+    dprint("world.init:", actor)
+    tangible.build{class=cube,   plane="earth", xyz={500,-100,0}}
+    tangible.build{class=sphere, plane="earth", xyz={500,100,0}}
+    login.init()
 end
 
 function engio.move(action, xyz, facing)