situation handling

inc/situation/situation.drink_coffee.lua

@@ -0,0 +1,6 @@
+Situation.register({
+  id = "drink_coffee",
+  handle = function()
+    Audio.sfx_select()
+  end,
+})

inc/situation/situation.manager.lua

@@ -0,0 +1,36 @@
+local _situations = {}
+
+function Situation.register(situation)
+  if not situation or not situation.id then
+    PopupWindow.show({"Error: Invalid situation object registered (missing id)!"})
+    return
+  end
+  if not situation.handle then
+    situation.handle = function() end
+  end
+  if _situations[situation.id] then
+    trace("Warning: Overwriting situation with id: " .. situation.id)
+  end
+  _situations[situation.id] = situation
+end
+
+function Situation.get(id)
+  return _situations[id]
+end
+
+function Situation.apply(id)
+  local situation = Situation.get(id)
+  if not situation then
+    trace("Error: No situation found with id: " .. id)
+    return
+  end
+
+  local current_screen_obj = Screen.get_by_id(Context.current_screen)
+  if current_screen_obj and not current_screen_obj.situations[id] then
+    trace("Info: Situation " .. id .. " cannot be applied to current screen (id: " .. Context.current_screen .. ").")
+    return
+  end
+
+  situation.handle()
+end
+