Added flags to use ffi-gosu optionally instead of always trying, made tooltip affected by theme (the last set theme in setup will be used to style the tooltip)

lib/cyberarm_engine.rb

@@ -1,9 +1,8 @@
 CYBERARM_ENGINE_ROOT_PATH = File.expand_path("..", __dir__)
 
-begin
-  require File.expand_path("../../ffi-gosu/lib/gosu", File.dirname(__FILE__))
-rescue LoadError => e
-  pp e
+if ARGV.join.include?("--ffi-gosu")
+  require File.expand_path("../../ffi-gosu/lib/gosu", __dir__)
+else
   require "gosu"
 end
 require "json"

lib/cyberarm_engine/common.rb

@@ -70,6 +70,7 @@ module CyberarmEngine
                    else
                      klass.new(path)
                    end
+
         hash[path] = instance
         asset = instance
       end

lib/cyberarm_engine/game_state.rb

@@ -17,6 +17,11 @@ module CyberarmEngine
     def setup
     end
 
+    # Called immediately after setup returns.
+    # GuiState uses this to set current_theme for ToolTip
+    def post_setup
+    end
+
     def draw
       @game_objects.each(&:draw)
     end

lib/cyberarm_engine/ui/gui_state.rb

@@ -26,12 +26,15 @@ module CyberarmEngine
       @dragging_element = nil
       @pending_recalculate_request = false
 
-      @tip = Element::ToolTip.new("", parent: @root_container, z: Float::INFINITY)
       @menu = nil
       @min_drag_distance = 0
       @mouse_pos = Vector.new
     end
 
+    def post_setup
+      @tip = Element::ToolTip.new("", parent: @root_container, z: Float::INFINITY, theme: current_theme)
+    end
+
     # throws :blur event to focused element and sets GuiState focused element
     # Does NOT throw :focus event at element or set element as focused
     def focus=(element)
@@ -103,7 +106,7 @@ module CyberarmEngine
           @tip.x = window.mouse_x - @tip.width / 2
           @tip.x = 0 if @tip.x < 0
           @tip.x = window.width - @tip.width if @tip.x + @tip.width > window.width
-          @tip.y = window.mouse_y - @tip.height
+          @tip.y = window.mouse_y - (@tip.height + 5)
           @tip.y = 0 if @tip.y < 0
           @tip.y = window.height - @tip.height if @tip.y + @tip.height > window.height
           @tip.update

lib/cyberarm_engine/window.rb

@@ -77,10 +77,12 @@ module CyberarmEngine
       if klass.instance_of?(klass.class) && defined?(klass.options)
         @states << klass
         klass.setup if options[:setup]
+        klass.post_setup if options[:setup]
       else
         @states << klass.new(options) if child_of?(klass, GameState)
         @states << klass.new if child_of?(klass, Element::Container)
         current_state.setup if current_state.instance_of?(klass) && options[:setup]
+        current_state.post_setup if current_state.instance_of?(klass) && options[:setup]
       end
     end