6.4 update (minus sprites)

Data/Scripts/048_Fusion/Sprites/002_PIFSpriteExtracter.rb

@@ -0,0 +1,125 @@
+class PIFSpriteExtracter
+  COLUMNS = 20               # Number of columns in the spritesheet
+  @@spritesheet_cache = SpritesBitmapCache.new
+
+  def load_sprite(pif_sprite,download_allowed=true)
+    begin
+    start_time = Time.now
+    bitmap = @@spritesheet_cache.get_bitmap(pif_sprite)
+    loaded_from_spritesheet=false
+
+    if !bitmap
+      download_new_spritesheet(pif_sprite) if should_update_spritesheet?(pif_sprite) && download_allowed
+      if pbResolveBitmap(getSpritesheetPath(pif_sprite))
+        bitmap = load_bitmap_from_spritesheet(pif_sprite)
+        loaded_from_spritesheet=true
+        @@spritesheet_cache.add(pif_sprite, bitmap)
+      else
+        return nil
+      end
+    end
+    sprite_bitmap = AnimatedBitmap.from_bitmap(bitmap)
+    end_time = Time.now
+    source = loaded_from_spritesheet ? :"spritesheet" : "cache"
+    echoln "Loaded sprite for <head:#{pif_sprite.head_id}, body: #{pif_sprite.body_id}, variant: #{pif_sprite.alt_letter}> from #{source} in #{end_time - start_time} seconds"
+    return sprite_bitmap
+    rescue Exception
+      e = $!
+      echoln "Error loading sprite: #{e}" if bitmap
+    end
+  end
+
+  def download_new_spritesheet(pif_sprite)
+    spritesheet_file = getSpritesheetPath(pif_sprite)
+    if download_spritesheet(pif_sprite,spritesheet_file)
+      $updated_spritesheets << spritesheet_file
+      update_downloaded_spritesheets_list()
+      return true
+    end
+    return false
+  end
+
+  def update_downloaded_spritesheets_list()
+    File.open(Settings::UPDATED_SPRITESHEETS_CACHE, "w") do |file|
+      $updated_spritesheets.each { |line| file.puts(line) }
+    end
+  end
+
+  def get_sprite_position_on_spritesheet(body_id,sprite_size,nb_column)
+    row = body_id / nb_column
+    col = body_id % nb_column
+    # echoln "(#{col},#{row})"
+    # Define the area of the sprite on the spritesheet
+    sprite_x_position = col * sprite_size
+    sprite_y_position = row * sprite_size
+    return sprite_x_position, sprite_y_position
+  end
+
+
+  def extract_bitmap_to_file(pif_sprite, dest_folder)
+    # Create the directory if it doesn't exist
+    Dir.mkdir(dest_folder) unless Dir.exist?(dest_folder)
+    single_sprite_bitmap=load_sprite(pif_sprite)
+
+    # Save the single sprite bitmap to a file
+    file_path = "#{dest_folder}/#{head_id}.#{body_id}.png"
+    single_sprite_bitmap.save_to_png(file_path)
+
+    # Dispose of the single sprite bitmap
+    single_sprite_bitmap.dispose
+
+    # Return the path to the saved PNG file
+    return file_path
+  end
+
+  #Implemented for base and custom, not autogen
+  def should_update_spritesheet?(spritesheet_file)
+    return false
+  end
+
+  def getSpritesheetPath(pif_sprite)
+    return nil #implement in subclasses
+  end
+
+  def clear_cache()
+    @@spritesheet_cache.clear
+  end
+
+  end
+
+class PokemonGlobalMetadata
+  attr_accessor :current_spritepack_date
+end
+
+
+
+
+
+# class SpritesBitmapCache
+#   @@cache = {} # Cache storage for spritesheets
+#   @@usage_order = [] # Tracks usage order for LRU eviction
+#
+#   def self.fetch(key)
+#     if @@cache.key?(key)
+#       # Move key to the end to mark it as recently used
+#       @@usage_order.delete(key)
+#       @@usage_order << key
+#       return @@cache[key]
+#     end
+#
+#     # Load spritesheet via block if not found in cache
+#     spritesheet = yield
+#
+#     if @@cache.size >= Settings::SPRITE_CACHE_MAX_NB
+#       # Evict least recently used (first in order)
+#       oldest_key = @@usage_order.shift
+#       @@cache.delete(oldest_key)
+#       echoln "Evicted: #{oldest_key} from spritesheet cache"
+#     end
+#
+#     # Add new spritesheet to cache and track its usage
+#     @@cache[key] = spritesheet
+#     @@usage_order << key
+#     spritesheet
+#   end
+# end