Updates tilemap renderer for extra autotiles

Data/Scripts/004_Game classes/004_Game_Map.rb

@@ -126,6 +126,10 @@ class Game_Map
     return @map.data;
   end
 
+  def tileset_id;
+    return @map.tileset_id;
+  end
+
   def name
     ret = pbGetMessage(MessageTypes::MapNames, @map_id)
     ret.gsub!(/\\PN/, $Trainer.name) if $Trainer

Data/Scripts/005_Sprites/007_Spriteset_Map.rb

@@ -47,7 +47,11 @@ class Spriteset_Map
   def initialize(map=nil)
     @map = (map) ? map : $game_map
     $scene.map_renderer.add_tileset(@map.tileset_name)
-    @map.autotile_names.each { |filename| $scene.map_renderer.add_autotile(filename) }
+    @map.autotile_names.each do |filename|
+      $scene.map_renderer.add_autotile(filename)
+      $scene.map_renderer.add_extra_autotiles(@map.tileset_id)
+    end
+
     @panorama = AnimatedPlane.new(@@viewport0)
     @fog = AnimatedPlane.new(@@viewport1)
     @fog.z = 3000
@@ -77,7 +81,10 @@ class Spriteset_Map
   def dispose
     if $scene.is_a?(Scene_Map)
       $scene.map_renderer.remove_tileset(@map.tileset_name)
-      @map.autotile_names.each { |filename| $scene.map_renderer.remove_autotile(filename) }
+      @map.autotile_names.each do |filename|
+        $scene.map_renderer.remove_autotile(filename)
+        $scene.map_renderer.remove_extra_autotiles(@map.tileset_id)
+      end
     end
     @panorama.dispose
     @fog.dispose

Data/Scripts/006_Map renderer/001_TilemapRenderer.rb

@@ -15,6 +15,8 @@ class TilemapRenderer
   DISPLAY_TILE_HEIGHT     = Game_Map::TILE_HEIGHT rescue 32
   SOURCE_TILE_WIDTH       = 32
   SOURCE_TILE_HEIGHT      = 32
+  ZOOM_X                  = DISPLAY_TILE_WIDTH / SOURCE_TILE_WIDTH
+  ZOOM_Y                  = DISPLAY_TILE_HEIGHT / SOURCE_TILE_HEIGHT
   TILESET_TILES_PER_ROW   = 8
   AUTOTILES_COUNT         = 8   # Counting the blank tile as an autotile
   TILES_PER_AUTOTILE      = 48
@@ -23,6 +25,30 @@ class TilemapRenderer
   # seconds instead.
   AUTOTILE_FRAME_DURATION = 5   # In 1/20ths of a second
 
+  # Filenames of extra autotiles for each tileset. Each tileset's entry is an
+  # array containing two other arrays (you can leave either of those empty, but
+  # they must be defined):
+  #   - The first sub-array is for large autotiles, i.e. ones with 48 different
+  #     tile layouts. For example, "Brick path" and "Sea".
+  #   - The second is for single tile autotiles. For example, "Flowers1" and
+  #     "Waterfall"
+  # The top tiles of the tileset will instead use these autotiles. Large
+  # autotiles come first, in the same 8x6 layout as you see when you double-
+  # click on a real autotile in RMXP. After that are the single tile autotiles.
+  # Extra autotiles are only useful if the tiles are animated, because otherwise
+  # you just have some tiles which belong in the tileset instead.
+
+  #   Examples:
+  #    1 => [["Sand shore"], ["Flowers2"]],
+  #    2 => [[], ["Flowers2", "Waterfall", "Waterfall crest", "Waterfall bottom"]],
+  #    6 => [["Water rock", "Sea deep"], []]
+
+  EXTRA_AUTOTILES = {
+    # 23 => {
+    #   384 => "flowers_pink",
+    # }
+  }
+
   #=============================================================================
   #
   #=============================================================================
@@ -34,6 +60,7 @@ class TilemapRenderer
       @bitmaps      = {}
       @bitmap_wraps = {}   # Whether each tileset is a mega texture and has multiple columns
       @load_counts  = {}
+      @bridge       = 0
       @changed      = true
     end
 
@@ -105,7 +132,7 @@ class TilemapRenderer
       @frame_counts    = {}   # Number of frames in each autotile
       @frame_durations = {}   # How long each frame lasts per autotile
       @current_frames  = {}   # Which frame each autotile is currently showing
-      @timer           = 0.0
+      @timer     = 0.0#System.uptime
     end
 
     def []=(filename, value)
@@ -151,7 +178,7 @@ class TilemapRenderer
         bitmap = @bitmaps[filename]
         @frame_counts[filename] = [bitmap.width / SOURCE_TILE_WIDTH, 1].max
         if bitmap.height > SOURCE_TILE_HEIGHT && @bitmap_wraps[filename]
-          @frame_counts[filename] /= 2 if @bitmap_wraps[filename]
+          @frame_counts[filename] /= 2
         end
       end
       return @frame_counts[filename]
@@ -162,9 +189,7 @@ class TilemapRenderer
     end
 
     def current_frame(filename)
-      if !@current_frames[filename]
-        set_current_frame(filename)
-      end
+      set_current_frame(filename) if !@current_frames[filename]
       return @current_frames[filename]
     end
 
@@ -180,7 +205,6 @@ class TilemapRenderer
     def set_src_rect(tile, tile_id)
       return if nil_or_empty?(tile.filename)
       return if !@bitmaps[tile.filename]
-      return if tile_id < TILES_PER_AUTOTILE   # Blank tile
       frame = current_frame(tile.filename)
       if @bitmaps[tile.filename].height == SOURCE_TILE_HEIGHT
         tile.src_rect.x = frame * SOURCE_TILE_WIDTH
@@ -202,7 +226,7 @@ class TilemapRenderer
       super
       @timer += Graphics.delta_s
       # Update the current frame for each autotile
-      @bitmaps.keys.each do |filename|
+      @bitmaps.each_key do |filename|
         next if !@bitmaps[filename] || @bitmaps[filename].disposed?
         old_frame = @current_frames[filename]
         set_current_frame(filename)
@@ -216,6 +240,7 @@ class TilemapRenderer
   #=============================================================================
   class TileSprite < Sprite
     attr_accessor :filename
+    attr_accessor :tile_id
     attr_accessor :is_autotile
     attr_accessor :animated
     attr_accessor :priority
@@ -223,10 +248,13 @@ class TilemapRenderer
     attr_accessor :bridge
     attr_accessor :need_refresh
 
-    def set_bitmap(filename, autotile, animated, priority, bitmap)
+    def set_bitmap(filename, tile_id, autotile, animated, priority, bitmap)
       self.bitmap       = bitmap
-      self.src_rect     = Rect.new(0, 0, DISPLAY_TILE_WIDTH, DISPLAY_TILE_HEIGHT)
+      self.src_rect     = Rect.new(0, 0, SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT)
+      self.zoom_x       = ZOOM_X
+      self.zoom_y       = ZOOM_Y
       @filename         = filename
+      @tile_id          = tile_id
       @is_autotile      = autotile
       @animated         = animated
       @priority         = priority
@@ -237,9 +265,8 @@ class TilemapRenderer
     end
   end
 
-  #=============================================================================
-  #
-  #=============================================================================
+  #-----------------------------------------------------------------------------
+
   def initialize(viewport)
     @tilesets               = TilesetBitmaps.new
     @autotiles              = AutotileBitmaps.new
@@ -260,7 +287,7 @@ class TilemapRenderer
     @tiles_horizontal_count.times do |i|
       @tiles[i] = []
       @tiles_vertical_count.times do |j|
-        @tiles[i][j]        = Array.new(3) { TileSprite.new(@viewport) }
+        @tiles[i][j] = Array.new(3) { TileSprite.new(@viewport) }
       end
     end
     @current_map_id         = 0
@@ -297,7 +324,7 @@ class TilemapRenderer
     return @disposed
   end
 
-  #=============================================================================
+  #-----------------------------------------------------------------------------
 
   def add_tileset(filename)
     @tilesets.add(filename)
@@ -315,28 +342,60 @@ class TilemapRenderer
     @autotiles.remove(filename)
   end
 
-  #=============================================================================
+  def add_extra_autotiles(tileset_id)
+    return if !EXTRA_AUTOTILES[tileset_id]
+    EXTRA_AUTOTILES[tileset_id].each do |arr|
+      arr.each { |filename| add_autotile(filename) }
+    end
+  end
+
+  def remove_extra_autotiles(tileset_id)
+    return if !EXTRA_AUTOTILES[tileset_id]
+    EXTRA_AUTOTILES[tileset_id].each do |arr|
+      arr.each { |filename| remove_autotile(filename) }
+    end
+  end
+
+  #-----------------------------------------------------------------------------
 
   def refresh
     @need_refresh = true
   end
 
   def refresh_tile_bitmap(tile, map, tile_id)
+    tile.tile_id = tile_id
     if tile_id < TILES_PER_AUTOTILE
-      tile.set_bitmap("", false, false, 0, nil)
+      tile.set_bitmap("", tile_id, false, false, 0, nil)
       tile.shows_reflection = false
       tile.bridge           = false
     else
       terrain_tag = map.terrain_tags[tile_id] || 0
       terrain_tag_data = GameData::TerrainTag.try_get(terrain_tag)
       priority = map.priorities[tile_id] || 0
-      if tile_id < TILESET_START_ID
-        filename = map.autotile_names[tile_id / TILES_PER_AUTOTILE - 1]
-        tile.set_bitmap(filename, true, @autotiles.animated?(filename),
-           priority, @autotiles[filename])
+      single_autotile_start_id = TILESET_START_ID
+      true_tileset_start_id = TILESET_START_ID
+      extra_autotile_arrays = EXTRA_AUTOTILES[map.tileset_id]
+      if extra_autotile_arrays
+        large_autotile_count = extra_autotile_arrays[0].length
+        single_autotile_count = extra_autotile_arrays[1].length
+        single_autotile_start_id += large_autotile_count * TILES_PER_AUTOTILE
+        true_tileset_start_id += large_autotile_count * TILES_PER_AUTOTILE
+        true_tileset_start_id += single_autotile_count
+      end
+      if tile_id < true_tileset_start_id
+        filename = ""
+        if tile_id < TILESET_START_ID   # Real autotiles
+          filename = map.autotile_names[(tile_id / TILES_PER_AUTOTILE) - 1]
+        elsif tile_id < single_autotile_start_id   # Large extra autotiles
+          filename = extra_autotile_arrays[0][(tile_id - TILESET_START_ID) / TILES_PER_AUTOTILE]
+        else   # Single extra autotiles
+          filename = extra_autotile_arrays[1][tile_id - single_autotile_start_id]
+        end
+        tile.set_bitmap(filename, tile_id, true, @autotiles.animated?(filename),
+                        priority, @autotiles[filename])
       else
         filename = map.tileset_name
-        tile.set_bitmap(filename, false, false, priority, @tilesets[filename])
+        tile.set_bitmap(filename, tile_id, false, false, priority, @tilesets[filename])
       end
       tile.shows_reflection = terrain_tag_data&.shows_reflections
       tile.bridge           = terrain_tag_data&.bridge
@@ -345,7 +404,7 @@ class TilemapRenderer
   end
 
   def refresh_tile_src_rect(tile, tile_id)
-    if tile_id < TILESET_START_ID
+    if tile.is_autotile
       @autotiles.set_src_rect(tile, tile_id)
     else
       @tilesets.set_src_rect(tile, tile_id)
@@ -360,8 +419,8 @@ class TilemapRenderer
 
   # x and y are the positions of tile within @tiles, not a map x/y
   def refresh_tile_coordinates(tile, x, y)
-    tile.x = x * DISPLAY_TILE_WIDTH - @pixel_offset_x
-    tile.y = y * DISPLAY_TILE_HEIGHT - @pixel_offset_y
+    tile.x = (x * DISPLAY_TILE_WIDTH) - @pixel_offset_x
+    tile.y = (y * DISPLAY_TILE_HEIGHT) - @pixel_offset_y
   end
 
   def refresh_tile_z(tile, map, y, layer, tile_id)
@@ -382,7 +441,7 @@ class TilemapRenderer
     tile.need_refresh = false
   end
 
-  #=============================================================================
+  #-----------------------------------------------------------------------------
 
   def check_if_screen_moved
     ret = false
@@ -391,20 +450,21 @@ class TilemapRenderer
       if MapFactoryHelper.hasConnections?(@current_map_id)
         offsets = $MapFactory.getRelativePos(@current_map_id, 0, 0, $game_map.map_id, 0, 0)
         if offsets
-          @tile_offset_x += offsets[0]
-          @tile_offset_y += offsets[1]
+          @tile_offset_x -= offsets[0]
+          @tile_offset_y -= offsets[1]
         else
           ret = true   # Need a full refresh
         end
+      else
+        ret = true
       end
       @current_map_id = $game_map.map_id
-      ret = true
     end
     # Check for tile movement
     current_map_display_x = ($game_map.display_x.to_f / Game_Map::X_SUBPIXELS).round
     current_map_display_y = ($game_map.display_y.to_f / Game_Map::Y_SUBPIXELS).round
-    new_tile_offset_x = current_map_display_x / DISPLAY_TILE_WIDTH
-    new_tile_offset_y = current_map_display_y / DISPLAY_TILE_HEIGHT
+    new_tile_offset_x = (current_map_display_x / SOURCE_TILE_WIDTH) * ZOOM_X
+    new_tile_offset_y = (current_map_display_y / SOURCE_TILE_HEIGHT) * ZOOM_Y
     if new_tile_offset_x != @tile_offset_x
       if new_tile_offset_x > @tile_offset_x
         # Take tile stacks off the right and insert them at the beginning (left)
@@ -453,8 +513,8 @@ class TilemapRenderer
       @tile_offset_y = new_tile_offset_y
     end
     # Check for pixel movement
-    new_pixel_offset_x = current_map_display_x % SOURCE_TILE_WIDTH
-    new_pixel_offset_y = current_map_display_y % SOURCE_TILE_HEIGHT
+    new_pixel_offset_x = (current_map_display_x % SOURCE_TILE_WIDTH) * ZOOM_X
+    new_pixel_offset_y = (current_map_display_y % SOURCE_TILE_HEIGHT) * ZOOM_Y
     if new_pixel_offset_x != @pixel_offset_x
       @screen_moved = true
       @pixel_offset_x = new_pixel_offset_x
@@ -467,7 +527,7 @@ class TilemapRenderer
     return ret
   end
 
-  #=============================================================================
+  #-----------------------------------------------------------------------------
 
   def update
     # Update tone
@@ -483,7 +543,7 @@ class TilemapRenderer
     if @old_color != @color
       @tiles.each do |col|
         col.each do |coord|
-          coord.each { |tile| tile.color = @tone }
+          coord.each { |tile| tile.color = @color }
         end
       end
       @old_color = @color.clone
@@ -500,6 +560,10 @@ class TilemapRenderer
     # Check whether the screen has moved since the last update
     @screen_moved = false
     @screen_moved_vertically = false
+    if $PokemonGlobal.bridge != @bridge
+      @bridge = $PokemonGlobal.bridge
+      @screen_moved_vertically = true   # To update bridge tiles' z values
+    end
     do_full_refresh = true if check_if_screen_moved
     # Update all tile sprites
     visited = []
@@ -510,7 +574,9 @@ class TilemapRenderer
     $MapFactory.maps.each do |map|
       # Calculate x/y ranges of tile sprites that represent them
       map_display_x = (map.display_x.to_f / Game_Map::X_SUBPIXELS).round
+      map_display_x = ((map_display_x + (Graphics.width / 2)) * ZOOM_X) - (Graphics.width / 2) if ZOOM_X != 1
       map_display_y = (map.display_y.to_f / Game_Map::Y_SUBPIXELS).round
+      map_display_y = ((map_display_y + (Graphics.height / 2)) * ZOOM_Y) - (Graphics.height / 2) if ZOOM_Y != 1
       map_display_x_tile = map_display_x / DISPLAY_TILE_WIDTH
       map_display_y_tile = map_display_y / DISPLAY_TILE_HEIGHT
       start_x = [-map_display_x_tile, 0].max
@@ -521,13 +587,13 @@ class TilemapRenderer
       end_y = [end_y, map.height - map_display_y_tile - 1].min
       next if start_x > end_x || start_y > end_y || end_x < 0 || end_y < 0
       # Update all tile sprites representing this map
-      for i in start_x..end_x
+      (start_x..end_x).each do |i|
         tile_x = i + map_display_x_tile
-        for j in start_y..end_y
+        (start_y..end_y).each do |j|
           tile_y = j + map_display_y_tile
           @tiles[i][j].each_with_index do |tile, layer|
             tile_id = map.data[tile_x, tile_y, layer]
-            if do_full_refresh || tile.need_refresh
+            if do_full_refresh || tile.need_refresh || tile.tile_id != tile_id
               refresh_tile(tile, i, j, map, layer, tile_id)
             else
               refresh_tile_frame(tile, tile_id) if tile.animated && @autotiles.changed
@@ -547,7 +613,7 @@ class TilemapRenderer
       col.each_with_index do |coord, j|
         next if visited[i][j]
         coord.each do |tile|
-          tile.set_bitmap("", false, false, 0, nil)
+          tile.set_bitmap("", 0, false, false, 0, nil)
           tile.shows_reflection = false
           tile.bridge           = false
         end

Data/Scripts/006_Map renderer/002_TilesetWrapper.rb

@@ -1,13 +1,13 @@
-#=======================================================================
-# This module is a little fix that works around PC hardware limitations.
-# Since Essentials isn't working with software rendering anymore, it now
-# has to deal with the limits of the GPU. For the most part this is no
-# big deal, but people do have some really big tilesets.
+#===============================================================================
+# This module is a little fix that works around PC hardware limitations. Since
+# Essentials isn't working with software rendering anymore, it now has to deal
+# with the limits of the GPU. For the most part this is no big deal, but people
+# do have some really big tilesets.
 #
-# The fix is simple enough: If your tileset is too big, a new
-# bitmap will be constructed with all the excess pixels sent to the
-# image's right side. This basically means that you now have a limit
-# far higher than you should ever actually need.
+# The fix is simple enough: If your tileset is too big, a new bitmap will be
+# constructed with all the excess pixels sent to the image's right side. This
+# basically means that you now have a limit far higher than you should ever
+# actually need.
 #
 # Hardware limit   -> max tileset length:
 # 1024px           -> 4096px
@@ -15,15 +15,13 @@
 # 4096px           -> 65536px   (enough to load pretty much any tileset)
 # 8192px           -> 262144px
 # 16384px          -> 1048576px (what most people have at this point)
-
-#                             ~Roza/Zoroark
-#=======================================================================
+#===============================================================================
 class TilemapRenderer
   module TilesetWrapper
     TILESET_WIDTH        = SOURCE_TILE_WIDTH * TILESET_TILES_PER_ROW
     # Looks useless, but covers weird numbers given to mkxp.json or a funky driver
     MAX_TEX_SIZE         = (Bitmap.max_size / 1024) * 1024
-    MAX_TEX_SIZE_BOOSTED = MAX_TEX_SIZE**2 / TILESET_WIDTH
+    MAX_TEX_SIZE_BOOSTED = (MAX_TEX_SIZE**2) / TILESET_WIDTH
 
     module_function
 
@@ -37,6 +35,7 @@ class TilemapRenderer
         end
         bmp = Bitmap.new(TILESET_WIDTH * columns, MAX_TEX_SIZE)
         remainder = height % MAX_TEX_SIZE
+        remainder = MAX_TEX_SIZE if remainder == 0
         columns.times do |col|
           srcrect = Rect.new(0, col * MAX_TEX_SIZE, width, (col + 1 == columns) ? remainder : MAX_TEX_SIZE)
           bmp.blt(col * TILESET_WIDTH, 0, originalbmp, srcrect)
@@ -49,13 +48,15 @@ class TilemapRenderer
     def getWrappedRect(src_rect)
       ret = Rect.new(0, 0, 0, 0)
       col = (src_rect.y / MAX_TEX_SIZE.to_f).floor
-      ret.x = col * TILESET_WIDTH + src_rect.x.clamp(0, TILESET_WIDTH)
+      ret.x = (col * TILESET_WIDTH) + src_rect.x.clamp(0, TILESET_WIDTH)
       ret.y = src_rect.y % MAX_TEX_SIZE
       ret.width = src_rect.width.clamp(0, TILESET_WIDTH - src_rect.x)
       ret.height = src_rect.height.clamp(0, MAX_TEX_SIZE)
       return ret
     end
 
+    #---------------------------------------------------------------------------
+
     private
 
     def blitWrappedPixels(destX, destY, dest, src, srcrect)
@@ -67,11 +68,11 @@ class TilemapRenderer
       merge = (srcrect.y % MAX_TEX_SIZE) > ((srcrect.y + srcrect.height) % MAX_TEX_SIZE)
       srcrect_mod = getWrappedRect(srcrect)
       if merge
-        # FIXME won't work on heights longer than two columns, but nobody should need
+        # FIXME: won't work on heights longer than two columns, but nobody should need
         # more than 32k pixels high at once anyway
         side = {
-           :a => MAX_TEX_SIZE - srcrect_mod.y,
-           :b => srcrect_mod.height - MAX_TEX_SIZE + srcrect_mod.y
+          :a => MAX_TEX_SIZE - srcrect_mod.y,
+          :b => srcrect_mod.height - MAX_TEX_SIZE + srcrect_mod.y
         }
         dest.blt(destX, destY, src, Rect.new(srcrect_mod.x, srcrect_mod.y, srcrect_mod.width, side[:a]))
         dest.blt(destX, destY + side[:a], src, Rect.new(srcrect_mod.x + TILESET_WIDTH, 0, srcrect_mod.width, side[:b]))

Data/Scripts/006_Map renderer/003_AutotileExpander.rb

@@ -1,6 +1,9 @@
+#===============================================================================
+#
+#===============================================================================
 class TilemapRenderer
   module AutotileExpander
-    MAX_TEXTURE_SIZE  = (Bitmap.max_size / 1024) * 1024
+    MAX_TEXTURE_SIZE = (Bitmap.max_size / 1024) * 1024
 
     module_function
 
@@ -32,20 +35,20 @@ class TilemapRenderer
             case id
             when 1   # Top left corner
               new_bitmap.blt(dest_x, dest_y, bitmap,
-                 Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 4,
-                 SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
+                             Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 4,
+                                      SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
             when 2   # Top right corner
               new_bitmap.blt(dest_x, dest_y, bitmap,
-                 Rect.new(SOURCE_TILE_WIDTH + frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 4,
-                 SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
+                             Rect.new(SOURCE_TILE_WIDTH + (frame * SOURCE_TILE_WIDTH * 3), SOURCE_TILE_HEIGHT * 4,
+                                      SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
             when 4   # Bottom right corner
               new_bitmap.blt(dest_x, dest_y, bitmap,
-                 Rect.new(SOURCE_TILE_WIDTH + frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 5,
-                 SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
+                             Rect.new(SOURCE_TILE_WIDTH + (frame * SOURCE_TILE_WIDTH * 3), SOURCE_TILE_HEIGHT * 5,
+                                      SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
             when 8   # Bottom left corner
               new_bitmap.blt(dest_x, dest_y, bitmap,
-                 Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 5,
-                 SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
+                             Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 5,
+                                      SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
             end
             next
           end

Data/Scripts/006_Map renderer/004_TileDrawingHelper.rb

@@ -1,20 +1,23 @@
+#===============================================================================
+#
+#===============================================================================
 class TileDrawingHelper
   attr_accessor :tileset
   attr_accessor :autotiles
 
   AUTOTILE_PATTERNS = [
-    [ [27, 28, 33, 34], [ 5, 28, 33, 34], [27,  6, 33, 34], [ 5,  6, 33, 34],
-      [27, 28, 33, 12], [ 5, 28, 33, 12], [27,  6, 33, 12], [ 5,  6, 33, 12] ],
-    [ [27, 28, 11, 34], [ 5, 28, 11, 34], [27,  6, 11, 34], [ 5,  6, 11, 34],
-      [27, 28, 11, 12], [ 5, 28, 11, 12], [27,  6, 11, 12], [ 5,  6, 11, 12] ],
-    [ [25, 26, 31, 32], [25,  6, 31, 32], [25, 26, 31, 12], [25,  6, 31, 12],
-      [15, 16, 21, 22], [15, 16, 21, 12], [15, 16, 11, 22], [15, 16, 11, 12] ],
-    [ [29, 30, 35, 36], [29, 30, 11, 36], [ 5, 30, 35, 36], [ 5, 30, 11, 36],
-      [39, 40, 45, 46], [ 5, 40, 45, 46], [39,  6, 45, 46], [ 5,  6, 45, 46] ],
-    [ [25, 30, 31, 36], [15, 16, 45, 46], [13, 14, 19, 20], [13, 14, 19, 12],
-      [17, 18, 23, 24], [17, 18, 11, 24], [41, 42, 47, 48], [ 5, 42, 47, 48] ],
-    [ [37, 38, 43, 44], [37,  6, 43, 44], [13, 18, 19, 24], [13, 14, 43, 44],
-      [37, 42, 43, 48], [17, 18, 47, 48], [13, 18, 43, 48], [ 1,  2,  7,  8] ]
+    [[27, 28, 33, 34], [5, 28, 33, 34], [27,  6, 33, 34], [5,  6, 33, 34],
+     [27, 28, 33, 12], [5, 28, 33, 12], [27,  6, 33, 12], [5,  6, 33, 12]],
+    [[27, 28, 11, 34], [5, 28, 11, 34], [27,  6, 11, 34], [5,  6, 11, 34],
+     [27, 28, 11, 12], [5, 28, 11, 12], [27,  6, 11, 12], [5,  6, 11, 12]],
+    [[25, 26, 31, 32], [25,  6, 31, 32], [25, 26, 31, 12], [25,  6, 31, 12],
+     [15, 16, 21, 22], [15, 16, 21, 12], [15, 16, 11, 22], [15, 16, 11, 12]],
+    [[29, 30, 35, 36], [29, 30, 11, 36], [5, 30, 35, 36], [5, 30, 11, 36],
+     [39, 40, 45, 46], [5, 40, 45, 46], [39,  6, 45, 46], [5,  6, 45, 46]],
+    [[25, 30, 31, 36], [15, 16, 45, 46], [13, 14, 19, 20], [13, 14, 19, 12],
+     [17, 18, 23, 24], [17, 18, 11, 24], [41, 42, 47, 48], [5, 42, 47, 48]],
+    [[37, 38, 43, 44], [37,  6, 43, 44], [13, 18, 19, 24], [13, 14, 43, 44],
+     [37, 42, 43, 48], [17, 18, 47, 48], [13, 18, 43, 48], [1,  2,  7,  8]]
   ]
 
   # converts neighbors returned from tableNeighbors to tile indexes
@@ -37,35 +40,52 @@ class TileDrawingHelper
     36, 24, 36, 24, 21,  6, 21,  4, 36, 24, 36, 24, 20,  2, 20,  0
   ]
 
-  def self.tableNeighbors(data,x,y)
+  def self.tableNeighbors(data, x, y, layer = nil)
     return 0 if x < 0 || x >= data.xsize
     return 0 if y < 0 || y >= data.ysize
-    t = data[x,y]
+    if layer.nil?
+      t = data[x, y]
+    else
+      t = data[x, y, layer]
+    end
     xp1 = [x + 1, data.xsize - 1].min
     yp1 = [y + 1, data.ysize - 1].min
     xm1 = [x - 1, 0].max
     ym1 = [y - 1, 0].max
     i = 0
-    i |= 0x01 if data[  x, ym1] == t   # N
-    i |= 0x02 if data[xp1, ym1] == t   # NE
-    i |= 0x04 if data[xp1,   y] == t   # E
-    i |= 0x08 if data[xp1, yp1] == t   # SE
-    i |= 0x10 if data[  x, yp1] == t   # S
-    i |= 0x20 if data[xm1, yp1] == t   # SW
-    i |= 0x40 if data[xm1,   y] == t   # W
-    i |= 0x80 if data[xm1, ym1] == t   # NW
+    if layer.nil?
+      i |= 0x01 if data[  x, ym1] == t   # N
+      i |= 0x02 if data[xp1, ym1] == t   # NE
+      i |= 0x04 if data[xp1,   y] == t   # E
+      i |= 0x08 if data[xp1, yp1] == t   # SE
+      i |= 0x10 if data[  x, yp1] == t   # S
+      i |= 0x20 if data[xm1, yp1] == t   # SW
+      i |= 0x40 if data[xm1,   y] == t   # W
+      i |= 0x80 if data[xm1, ym1] == t   # NW
+    else
+      i |= 0x01 if data[  x, ym1, layer] == t   # N
+      i |= 0x02 if data[xp1, ym1, layer] == t   # NE
+      i |= 0x04 if data[xp1,   y, layer] == t   # E
+      i |= 0x08 if data[xp1, yp1, layer] == t   # SE
+      i |= 0x10 if data[  x, yp1, layer] == t   # S
+      i |= 0x20 if data[xm1, yp1, layer] == t   # SW
+      i |= 0x40 if data[xm1,   y, layer] == t   # W
+      i |= 0x80 if data[xm1, ym1, layer] == t   # NW
+    end
     return i
   end
 
   def self.fromTileset(tileset)
-    bmtileset=pbGetTileset(tileset.tileset_name)
-    bmautotiles=[]
-    for i in 0...7
+    bmtileset = pbGetTileset(tileset.tileset_name)
+    bmautotiles = []
+    7.times do |i|
       bmautotiles.push(pbGetAutotile(tileset.autotile_names[i]))
     end
-    return self.new(bmtileset,bmautotiles)
+    return self.new(bmtileset, bmautotiles)
   end
 
+  #-----------------------------------------------------------------------------
+
   def initialize(tileset, autotiles)
     if tileset.mega?
       @tileset = TilemapRenderer::TilesetWrapper.wrapTileset(tileset)
@@ -79,17 +99,17 @@ class TileDrawingHelper
   end
 
   def dispose
-    @tileset.dispose if @tileset
+    @tileset&.dispose
     @tileset = nil
-    for i in 0...@autotiles.length
-      @autotiles[i].dispose
+    @autotiles.each_with_index do |autotile, i|
+      autotile.dispose
       @autotiles[i] = nil
     end
   end
 
-  def bltSmallAutotile(bitmap,x,y,cxTile,cyTile,id,frame)
+  def bltSmallAutotile(bitmap, x, y, cxTile, cyTile, id, frame)
     return if id >= 384 || frame < 0 || !@autotiles
-    autotile = @autotiles[id / 48 - 1]
+    autotile = @autotiles[(id / 48) - 1]
     return if !autotile || autotile.disposed?
     cxTile = [cxTile / 2, 1].max
     cyTile = [cyTile / 2, 1].max
@@ -102,23 +122,23 @@ class TileDrawingHelper
       id %= 48
       tiles = AUTOTILE_PATTERNS[id >> 3][id & 7]
       src = Rect.new(0, 0, 0, 0)
-      for i in 0...4
+      4.times do |i|
         tile_position = tiles[i] - 1
-        src.set(tile_position % 6 * 16 + anim, tile_position / 6 * 16, 16, 16)
-        bitmap.stretch_blt(Rect.new(i % 2 * cxTile + x, i / 2 * cyTile + y, cxTile, cyTile),
-           autotile, src)
+        src.set(((tile_position % 6) * 16) + anim, (tile_position / 6) * 16, 16, 16)
+        bitmap.stretch_blt(Rect.new((i % 2 * cxTile) + x, (i / 2 * cyTile) + y, cxTile, cyTile),
+                           autotile, src)
       end
     end
   end
 
-  def bltSmallRegularTile(bitmap,x,y,cxTile,cyTile,id)
+  def bltSmallRegularTile(bitmap, x, y, cxTile, cyTile, id)
     return if id < 384 || !@tileset || @tileset.disposed?
-    rect = Rect.new((id - 384) % 8 * 32, (id - 384) / 8 * 32, 32, 32)
+    rect = Rect.new(((id - 384) % 8) * 32, ((id - 384) / 8) * 32, 32, 32)
     rect = TilemapRenderer::TilesetWrapper.getWrappedRect(rect) if @shouldWrap
     bitmap.stretch_blt(Rect.new(x, y, cxTile, cyTile), @tileset, rect)
   end
 
-  def bltSmallTile(bitmap,x,y,cxTile,cyTile,id,frame=0)
+  def bltSmallTile(bitmap, x, y, cxTile, cyTile, id, frame = 0)
     if id >= 384
       bltSmallRegularTile(bitmap, x, y, cxTile, cyTile, id)
     elsif id > 0
@@ -126,15 +146,15 @@ class TileDrawingHelper
     end
   end
 
-  def bltAutotile(bitmap,x,y,id,frame)
+  def bltAutotile(bitmap, x, y, id, frame)
     bltSmallAutotile(bitmap, x, y, 32, 32, id, frame)
   end
 
-  def bltRegularTile(bitmap,x,y,id)
+  def bltRegularTile(bitmap, x, y, id)
     bltSmallRegularTile(bitmap, x, y, 32, 32, id)
   end
 
-  def bltTile(bitmap,x,y,id,frame=0)
+  def bltTile(bitmap, x, y, id, frame = 0)
     if id >= 384
       bltRegularTile(bitmap, x, y, id)
     elsif id > 0
@@ -147,82 +167,80 @@ end
 #
 #===============================================================================
 def createMinimap(mapid)
-  map=load_data(sprintf("Data/Map%03d.rxdata",mapid)) rescue nil
-  return BitmapWrapper.new(32,32) if !map
-  bitmap=BitmapWrapper.new(map.width*4,map.height*4)
-  black=Color.new(0,0,0)
-  tilesets=$data_tilesets
-  tileset=tilesets[map.tileset_id]
+  map = load_data(sprintf("Data/Map%03d.rxdata", mapid)) rescue nil
+  return Bitmap.new(32, 32) if !map
+  bitmap = Bitmap.new(map.width * 4, map.height * 4)
+  black = Color.black
+  tilesets = $data_tilesets
+  tileset = tilesets[map.tileset_id]
   return bitmap if !tileset
-  helper=TileDrawingHelper.fromTileset(tileset)
-  for y in 0...map.height
-    for x in 0...map.width
-      for z in 0..2
-        id=map.data[x,y,z]
-        id=0 if !id
-        helper.bltSmallTile(bitmap,x*4,y*4,4,4,id)
+  helper = TileDrawingHelper.fromTileset(tileset)
+  map.height.times do |y|
+    map.width.times do |x|
+      3.times do |z|
+        id = map.data[x, y, z]
+        id = 0 if !id
+        helper.bltSmallTile(bitmap, x * 4, y * 4, 4, 4, id)
       end
     end
   end
-  bitmap.fill_rect(0,0,bitmap.width,1,black)
-  bitmap.fill_rect(0,bitmap.height-1,bitmap.width,1,black)
-  bitmap.fill_rect(0,0,1,bitmap.height,black)
-  bitmap.fill_rect(bitmap.width-1,0,1,bitmap.height,black)
+  bitmap.fill_rect(0, 0, bitmap.width, 1, black)
+  bitmap.fill_rect(0, bitmap.height - 1, bitmap.width, 1, black)
+  bitmap.fill_rect(0, 0, 1, bitmap.height, black)
+  bitmap.fill_rect(bitmap.width - 1, 0, 1, bitmap.height, black)
   return bitmap
 end
 
-def bltMinimapAutotile(dstBitmap,x,y,srcBitmap,id)
-  return if id>=48 || !srcBitmap || srcBitmap.disposed?
-  anim=0
-  cxTile=3
-  cyTile=3
-  tiles = TileDrawingHelper::AUTOTILE_PATTERNS[id>>3][id&7]
-  src=Rect.new(0,0,0,0)
-  for i in 0...4
+def bltMinimapAutotile(dstBitmap, x, y, srcBitmap, id)
+  return if id >= 48 || !srcBitmap || srcBitmap.disposed?
+  anim = 0
+  cxTile = 3
+  cyTile = 3
+  tiles = TileDrawingHelper::AUTOTILE_PATTERNS[id >> 3][id & 7]
+  src = Rect.new(0, 0, 0, 0)
+  4.times do |i|
     tile_position = tiles[i] - 1
-    src.set(
-      tile_position % 6 * cxTile + anim,
-      tile_position / 6 * cyTile, cxTile, cyTile)
-    dstBitmap.blt(i%2*cxTile+x,i/2*cyTile+y, srcBitmap, src)
+    src.set((tile_position % 6 * cxTile) + anim,
+            tile_position / 6 * cyTile, cxTile, cyTile)
+    dstBitmap.blt((i % 2 * cxTile) + x, (i / 2 * cyTile) + y, srcBitmap, src)
   end
 end
 
-def passable?(passages,tile_id)
-  return false if tile_id == nil
+def passable?(passages, tile_id)
+  return false if tile_id.nil?
   passage = passages[tile_id]
-  return (passage && passage<15)
+  return (passage && passage < 15)
 end
 
 # Unused
 def getPassabilityMinimap(mapid)
-  map = load_data(sprintf("Data/Map%03d.rxdata",mapid))
+  map = load_data(sprintf("Data/Map%03d.rxdata", mapid))
   tileset = $data_tilesets[map.tileset_id]
-  minimap = AnimatedBitmap.new("Graphics/Pictures/minimap_tiles")
-  ret = Bitmap.new(map.width*6,map.height*6)
-  passtable = Table.new(map.width,map.height)
+  minimap = AnimatedBitmap.new("Graphics/UI/minimap_tiles")
+  ret = Bitmap.new(map.width * 6, map.height * 6)
+  passtable = Table.new(map.width, map.height)
   passages = tileset.passages
-  for i in 0...map.width
-    for j in 0...map.height
-      pass=true
-      for z in [2,1,0]
-        if !passable?(passages,map.data[i,j,z])
-          pass=false
+  map.width.times do |i|
+    map.height.times do |j|
+      pass = true
+      [2, 1, 0].each do |z|
+        if !passable?(passages, map.data[i, j, z])
+          pass = false
           break
         end
       end
-      passtable[i,j]=pass ? 1 : 0
+      passtable[i, j] = pass ? 1 : 0
     end
   end
-  neighbors=TileDrawingHelper::NEIGHBORS_TO_AUTOTILE_INDEX
-  for i in 0...map.width
-    for j in 0...map.height
-      if passtable[i,j]==0
-        nb=TileDrawingHelper.tableNeighbors(passtable,i,j)
-        tile=neighbors[nb]
-        bltMinimapAutotile(ret,i*6,j*6,minimap.bitmap,tile)
-      end
+  neighbors = TileDrawingHelper::NEIGHBORS_TO_AUTOTILE_INDEX
+  map.width.times do |i|
+    map.height.times do |j|
+      next if passtable[i, j] != 0
+      nb = TileDrawingHelper.tableNeighbors(passtable, i, j)
+      tile = neighbors[nb]
+      bltMinimapAutotile(ret, i * 6, j * 6, minimap.bitmap, tile)
     end
   end
-  minimap.disposes
+  minimap.dispose
   return ret
 end