Refactor weapon system: update BladeOfRecursion and QuantumBow classes with improved attack mechanics, damage handling, and drawing logic; enhance WeaponHandler for better weapon management.

game/weapons/blade_of_recursion.rb

@@ -1,16 +1,23 @@
 class BladeOfRecursion
   def initialize
     @damage = 1
-    @range = 200
-    @speed = 500
+    @range = 150
+    @speed = 400
     @x = 0
     @y = 0
+    @start_x = 0
+    @start_y = 0
     @direction = nil
+
+    # the knife is pointed top-right
+    @sprite = Gosu::Image.new('assets/images/blade_of_recursion.png', retro: true)
   end
 
   def attack(direction)
+    return if @direction
     @direction = direction
     @x, @y = $bus.get(:player_position)
+    @start_x, @start_y = @x, @y
   end
 
   def update(dt)
@@ -19,12 +26,63 @@ class BladeOfRecursion
     @x += Math.cos(@direction) * @speed * dt
     @y += Math.sin(@direction) * @speed * dt
 
-    $bus.get(:attack, @x, @y, @range, @damage)
-
-    # If the blade has traveled its max range, reset it
-    player_x, player_y = $bus.get(:player_position)
-    if Math.hypot(@x - player_x, @y - player_y) > @range
+    if Math.hypot(@x - @start_x, @y - @start_y) > @range
       @direction = nil
+      @damage = 1
+      return
+    end
+
+    collides = $bus.get_all(:collides?, [@x - 5, @y - 5, 10, 10])
+    if collides.include?(:enemy)
+      $bus.emit(:attack, @x, @y, 30, @damage)
+      @direction = nil
+      @damage *= 2
+      if @damage > 512
+        damage = 1
+        $bus.emit(:consume, :blade_of_recursion, 1)
+      end
+    elsif collides.include?(:wall)
+      @direction = nil
+      @damage = 1
     end
   end
+
+  def draw
+    cam_x, cam_y = $bus.get(:camera_pos) || [0, 0]
+
+    # Draw the blade if active
+    if @direction
+      # Convert radians to degrees
+      angle_deg = @direction * 180 / Math::PI
+      # Adjust for knife pointing top-right
+      angle_deg += 45
+
+      @sprite.draw_rot(
+        @x - cam_x,  # x in world coords
+        @y - cam_y,  # y in world coords
+        1,           # z-order
+        angle_deg,   # rotation
+        0.5, 0.5,   # pivot center
+        2, 2,
+        Gosu::Color::WHITE
+      )
+    end
+
+    # Draw memory bar as HUD in top-right of screen
+    # this should be in the HUD layer but due to time constraints im putting it here, sorry
+    bar_width  = 100
+    bar_height = 10
+    padding    = 10
+
+    bar_x = SCREEN_SIZE[0] - bar_width - padding
+    bar_y = padding
+
+    # full red background
+    Gosu.draw_rect(bar_x, bar_y, bar_width, bar_height, Gosu::Color::RED, Float::INFINITY)
+
+    # green foreground representing current damage
+    damage_ratio = Math.log2(@damage) / 9.0
+    damage_width = bar_width * [damage_ratio, 1.0].min
+    Gosu.draw_rect(bar_x, bar_y, damage_width, bar_height, Gosu::Color::GREEN, Float::INFINITY)
+  end
 end