Bush depths for events/the player are now only recalculated wheh they move, rather than every time they're queried (anti-lag)

Data/Scripts/004_Game classes/007_Game_Character.rb

@@ -193,12 +193,25 @@ class Game_Character
   end
 
   def bush_depth
-    return 0 if @tile_id > 0 || @always_on_top || jumping?
+    return @bush_depth || 0
+  end
+
+  def calculate_bush_depth
+    if @tile_id > 0 || @always_on_top || jumping?
+      @bush_depth = 0
+    else
+      deep_bush = regular_bush = false
       xbehind = @x + (@direction == 4 ? 1 : @direction == 6 ? -1 : 0)
       ybehind = @y + (@direction == 8 ? 1 : @direction == 2 ? -1 : 0)
-    return Game_Map::TILE_HEIGHT if self.map.deepBush?(@x, @y) && self.map.deepBush?(xbehind, ybehind)
-    return 12 if !moving? && self.map.bush?(@x, @y)
-    return 0
+      this_map = (self.map.valid?(@x, @y)) ? [self.map, @x, @y] : $MapFactory.getNewMap(@x, @y)
+      if this_map[0].deepBush?(this_map[1], this_map[2]) && self.map.deepBush?(xbehind, ybehind)
+        @bush_depth = Game_Map::TILE_HEIGHT
+      elsif !moving? && this_map[0].bush?(this_map[1], this_map[2])
+        @bush_depth = 12
+      else
+        @bush_depth = 0
+      end
+    end
   end
 
   #=============================================================================
@@ -818,6 +831,7 @@ class Game_Character
   #=============================================================================
   def update
     @moved_last_frame = @moved_this_frame
+    @stopped_last_frame = @stopped_this_frame
     if !$game_temp.in_menu
       # Update command
       update_command
@@ -881,7 +895,14 @@ class Game_Character
       @jump_distance_left = [(dest_x - @real_x).abs, (dest_y - @real_y).abs].max
     end
     # End of a step, so perform events that happen at this time
-    Events.onStepTakenFieldMovement.trigger(self, self) if !jumping? && !moving?
+    if !jumping? && !moving?
+      Events.onStepTakenFieldMovement.trigger(self, self)
+      calculate_bush_depth
+      @stopped_this_frame = true
+    elsif !@moved_last_frame || @stopped_last_frame   # Started a new step
+      calculate_bush_depth
+      @stopped_this_frame = false
+    end
     # Increment animation counter
     @anime_count += 1 if @walk_anime || @step_anime
     @moved_this_frame = true
@@ -891,6 +912,7 @@ class Game_Character
     @anime_count += 1 if @step_anime
     @stop_count  += 1 if !@starting && !lock?
     @moved_this_frame = false
+    @stopped_this_frame = false
   end
 
   def update_pattern

Data/Scripts/004_Game classes/009_Game_Player.rb

@@ -25,38 +25,6 @@ class Game_Player < Game_Character
     return $game_map
   end
 
-  def bush_depth
-    return 0 if @tile_id > 0 || @always_on_top
-    xbehind = (@direction==4) ? @x+1 : (@direction==6) ? @x-1 : @x
-    ybehind = (@direction==8) ? @y+1 : (@direction==2) ? @y-1 : @y
-    # Both current tile and previous tile are on the same map; just return super
-    return super if $game_map.valid?(@x,@y) && $game_map.valid?(xbehind,ybehind)
-    # The current or the previous tile is on a different map; consult MapFactory
-    return 0 if !$MapFactory
-    # Get map and coordinates of the current tile
-    if $game_map.valid?(@x,@y)
-      heremap = self.map; herex = @x; herey = @y
-    else
-      newhere = $MapFactory.getNewMap(@x,@y)
-      return 0 unless newhere && newhere[0]   # Map not found
-      heremap = newhere[0]; herex = newhere[1]; herey = newhere[2]
-    end
-    # Get map and coordinates of the previous tile
-    newbehind = $MapFactory.getNewMap(xbehind,ybehind)
-    if $game_map.valid?(xbehind,ybehind)
-      behindmap = self.map; behindx = xbehind; behindy = ybehind
-    else
-      return 0 unless newbehind && newbehind[0]   # Map not found
-      behindmap = newbehind[0]; behindx = newbehind[1]; behindy = newbehind[2]
-    end
-    # Return bush depth
-    if !jumping?
-      return 32 if heremap.deepBush?(herex, herey) && behindmap.deepBush?(behindx, behindy)
-      return 12 if heremap.bush?(herex, herey) && !moving?
-    end
-    return 0
-  end
-
   def pbHasDependentEvents?
     return $PokemonGlobal.dependentEvents.length>0
   end