Switch to c++

__old__/fm.rb

@@ -0,0 +1,30 @@
+module FileManager
+  @hidden = true
+
+  module_function
+
+  def start(x, y, width, height)
+    @hidden = false
+    @x = x
+    @y = y
+    @width = width
+    @height = height
+  end
+
+  def toggle!
+    @hidden = !@hidden
+  end
+
+  def render
+    return if @hidden
+    (0...@height).each { |h| (0...@width).each { |w|
+      C.update @y + h, @x + w, ' ', 0x000000, 0x000000, 0
+    } }
+    files = $folder.children
+    files.each_with_index do |f, i|
+      f.each_char.with_index do |c, j|
+        C.update @y + i, @x + j, c, 0xFFFFFF, 0x000000, 0
+      end
+    end
+  end
+end