Refactor input handling: replace hardcoded key inputs with configurable key bindings for character movement, inventory navigation, and actions; enhance settings scene with key rebind functionality and add credits scene.

game/character.rb

@@ -76,10 +76,10 @@ class Character
     dx = 0.0
     dy = 0.0
 
-    dx -= 1 if Gosu.button_down?(Gosu::KB_A)
-    dx += 1 if Gosu.button_down?(Gosu::KB_D)
-    dy -= 1 if Gosu.button_down?(Gosu::KB_W)
-    dy += 1 if Gosu.button_down?(Gosu::KB_S)
+    dx -= 1 if Gosu.button_down?($bus.get(:settings, :leftward))
+    dx += 1 if Gosu.button_down?($bus.get(:settings, :rightward))
+    dy -= 1 if Gosu.button_down?($bus.get(:settings, :forward))
+    dy += 1 if Gosu.button_down?($bus.get(:settings, :backward))
 
     moving = dx != 0 || dy != 0
 

game/hud/health.rb

@@ -35,12 +35,12 @@ class HealthBar
 
   def draw
     # Draw the background of the health bar (red)
-    Gosu.draw_rect(SCREEN_SIZE[0] - 100 - 10, 180, 100, 10, Gosu::Color::RED)
+    Gosu.draw_rect(SCREEN_SIZE[0] - 100 - 10, 180, 100, 10, Gosu::Color::RED, Float::INFINITY)
 
     # Draw the foreground of the health bar (green) based on current health
     health_width = (health.to_f / max_health) * 100
-    Gosu.draw_rect(SCREEN_SIZE[0] - 100 - 10, 180, health_width, 10, Gosu::Color::GREEN)
+    Gosu.draw_rect(SCREEN_SIZE[0] - 100 - 10, 180, health_width, 10, Gosu::Color::GREEN, Float::INFINITY)
 
-    @heart_image.draw(SCREEN_SIZE[0] - 100 - 20, 173, 1, 1.5, 1.5)
+    @heart_image.draw(SCREEN_SIZE[0] - 100 - 20, 173, Float::INFINITY, 1.5, 1.5)
   end
 end

game/hud/inventory.rb

@@ -94,19 +94,19 @@ class Inventory
     when Gosu::KB_1 then @inventory_selected = :occams_razor
     when Gosu::KB_2 then @inventory_selected = :quantum_bow
     when Gosu::KB_3 then @inventory_selected = :blade_of_recursion
-    when Gosu::KB_DOWN
+    when $bus.get(:settings, :"inventory down")
       row, col = find_slot(@inventory_selected)
       @inventory_selected = @grid[(row + 1) % @grid.size][col][0]
-    when Gosu::KB_UP
+    when $bus.get(:settings, :"inventory up")
       row, col = find_slot(@inventory_selected)
       @inventory_selected = @grid[(row - 1) % @grid.size][col][0]
-    when Gosu::KB_LEFT
+    when $bus.get(:settings, :"inventory left")
       row, col = find_slot(@inventory_selected)
       @inventory_selected = @grid[row][(col - 1) % @grid[row].size][0]
-    when Gosu::KB_RIGHT
+    when $bus.get(:settings, :"inventory right")
       row, col = find_slot(@inventory_selected)
       @inventory_selected = @grid[row][(col + 1) % @grid[row].size][0]
-    when Gosu::KB_RETURN
+    when $bus.get(:settings, :craft)
       craft(@inventory_selected, ctrl: Gosu.button_down?(Gosu::KB_RIGHT_CONTROL) || Gosu.button_down?(Gosu::KB_LEFT_CONTROL))
     else
       return false

game/props/base.rb

@@ -49,7 +49,7 @@ class Prop
   end
 
   def update(dt)
-    return unless Gosu.button_down?(Gosu::MS_LEFT) || Gosu.button_down?(Gosu::KB_X)
+    return unless Gosu.button_down?(Gosu::MS_LEFT) || Gosu.button_down?($bus.get(:settings, :break))
 
     player_x, player_y = $bus.get(:player_position) || [0, 0]
 

game/props/handler.rb

@@ -122,7 +122,7 @@ class PropsHandler
         @grid.delete([prop.x, prop.y])
       end
     end
-    if Gosu.button_down?(Gosu::KB_P) # place selected if it is a placeable item
+    if Gosu.button_down?($bus.get(:settings, :place))
       selected_item = $bus.get(:selected_item)
       if selected_item == :torch
         player_x, player_y = $bus.get(:player_position) || [0, 0]

game/scene.rb

@@ -27,7 +27,7 @@ class Game < Scene
 
     @camera = [0, 0]
 
-    $bus.emit(:log, "Welcome to the Mist! Use WASD to move, SPACE or left-click to attack with your equipped weapon, and ESC to return to the menu.")
+    $bus.emit(:log, "Welcome to the Mist!")
 
     $bus.on(:player_move) do |pos|
       @camera = pos
@@ -55,7 +55,7 @@ class Game < Scene
     @enemies.draw
     @props.draw
     @traps.draw
-    $bus.emit(:shade) if $bus.get(:settings, :fog)
+    $bus.emit(:shade)
     @hud.draw
     @weapons.draw
     draw_debug! if $bus.get(:settings, :debug)
@@ -98,7 +98,7 @@ class Game < Scene
   def button_down(id, pos)
     # Pressing ESC returns to the menu, this is bad but I don't have time to make a proper pause menu,
     # as the game has no persistent state outside of the current scene, just returning to the menu resets everything
-    return $bus.emit(:change_scene, Menu.new) if id == Gosu::KB_ESCAPE
+    return $bus.emit(:change_scene, Menu) if id == Gosu::KB_ESCAPE
 
     return if @hud.button_down(id, pos)
     return if @props.button_down(id, pos)

game/weapons/handler.rb

@@ -27,7 +27,7 @@ class WeaponHandler
 
     weapon = @weapons[selected_item]
     if $bus.get(:count, selected_item) > 0
-      if id == Gosu::KB_SPACE
+      if id == $bus.get(:settings, :attack)
         player_x, player_y = $bus.get(:player_position)
         cam_x, cam_y = $bus.get(:camera_pos) || [0, 0]
         mouse_x, mouse_y = $bus.get(:mouse_pos) || [0, 0]