#===============================================================================
# ** Game_Player
#-------------------------------------------------------------------------------
#  This class handles the player. Its functions include event starting
#  determinants and map scrolling. Refer to "$game_player" for the one
#  instance of this class.
#===============================================================================
class Game_Player < Game_Character
  attr_accessor :bump_se
  attr_accessor :charsetData
  attr_accessor :encounter_count

  def initialize(*arg)
    super(*arg)
    @lastdir=0
    @lastdirframe=0
    @bump_se=0
  end

  def map
    @map = nil
    return $game_map
  end

  def bush_depth
    return 0 if @tile_id > 0 or @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 @jump_count <= 0
      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

  def bump_into_object
    return if @bump_se && @bump_se>0
    pbSEPlay("Player bump")
    @bump_se = Graphics.frame_rate/4
  end

  def move_down(turn_enabled = true)
    turn_down if turn_enabled
    if passable?(@x, @y, 2)
      return if pbLedge(0,1)
      return if pbEndSurf(0,1)
      turn_down
      @y += 1
      $PokemonTemp.dependentEvents.pbMoveDependentEvents
      increase_steps
    else
      if !check_event_trigger_touch(@x, @y+1)
        bump_into_object
      end
    end
  end

  def move_left(turn_enabled = true)
    turn_left if turn_enabled
    if passable?(@x, @y, 4)
      return if pbLedge(-1,0)
      return if pbEndSurf(-1,0)
      turn_left
      @x -= 1
      $PokemonTemp.dependentEvents.pbMoveDependentEvents
      increase_steps
    else
      if !check_event_trigger_touch(@x-1, @y)
        bump_into_object
      end
    end
  end

  def move_right(turn_enabled = true)
    turn_right if turn_enabled
    if passable?(@x, @y, 6)
      return if pbLedge(1,0)
      return if pbEndSurf(1,0)
      turn_right
      @x += 1
      $PokemonTemp.dependentEvents.pbMoveDependentEvents
      increase_steps
    else
      if !check_event_trigger_touch(@x+1, @y)
        bump_into_object
      end
    end
  end

  def move_up(turn_enabled = true)
    turn_up if turn_enabled
    if passable?(@x, @y, 8)
      return if pbLedge(0,-1)
      return if pbEndSurf(0,-1)
      turn_up
      @y -= 1
      $PokemonTemp.dependentEvents.pbMoveDependentEvents
      increase_steps
    else
      if !check_event_trigger_touch(@x, @y-1)
        bump_into_object
      end
    end
  end

  def pbTriggeredTrainerEvents(triggers,checkIfRunning=true)
    result = []
    # If event is running
    return result if checkIfRunning && $game_system.map_interpreter.running?
    # All event loops
    for event in $game_map.events.values
      next if !event.name[/trainer\((\d+)\)/i]
      distance = $~[1].to_i
      # If event coordinates and triggers are consistent
      if pbEventCanReachPlayer?(event,self,distance) and triggers.include?(event.trigger)
        # If starting determinant is front event (other than jumping)
        result.push(event) if not event.jumping? and not event.over_trigger?
      end
    end
    return result
  end

  def pbTriggeredCounterEvents(triggers,checkIfRunning=true)
    result = []
    # If event is running
    return result if checkIfRunning && $game_system.map_interpreter.running?
    # All event loops
    for event in $game_map.events.values
      next if !event.name[/counter\((\d+)\)/i]
      distance = $~[1].to_i
      # If event coordinates and triggers are consistent
      if pbEventFacesPlayer?(event,self,distance) and triggers.include?(event.trigger)
        # If starting determinant is front event (other than jumping)
        result.push(event) if not event.jumping? and not event.over_trigger?
      end
    end
    return result
  end

  def pbCheckEventTriggerAfterTurning
  end

  def pbCheckEventTriggerFromDistance(triggers)
    ret = pbTriggeredTrainerEvents(triggers)
    ret.concat(pbTriggeredCounterEvents(triggers))
    return false if ret.length==0
    for event in ret
      event.start
    end
    return true
  end

  def pbFacingEvent(ignoreInterpreter=false)
    return nil if $game_system.map_interpreter.running? && !ignoreInterpreter
    new_x = @x + (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
    new_y = @y + (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
    return nil if !$game_map.valid?(new_x, new_y)
    for event in $game_map.events.values
      next if event.x != new_x || event.y != new_y
      next if event.jumping? || event.over_trigger?
      return event
    end
    if $game_map.counter?(new_x, new_y)
      new_x += (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
      new_y += (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
      for event in $game_map.events.values
        next if event.x != new_x || event.y != new_y
        next if event.jumping? || event.over_trigger?
        return event
      end
    end
    return nil
  end

  #-----------------------------------------------------------------------------
  # * Passable Determinants
  #     x : x-coordinate
  #     y : y-coordinate
  #     d : direction (0,2,4,6,8)
  #         * 0 = Determines if all directions are impassable (for jumping)
  #-----------------------------------------------------------------------------
  def passable?(x, y, d)
    # Get new coordinates
    new_x = x + (d == 6 ? 1 : d == 4 ? -1 : 0)
    new_y = y + (d == 2 ? 1 : d == 8 ? -1 : 0)
    # If coordinates are outside of map
    return false if !$game_map.validLax?(new_x, new_y)
    if !$game_map.valid?(new_x, new_y)
      return false if !$MapFactory
      return $MapFactory.isPassableFromEdge?(new_x, new_y)
    end
    # If debug mode is ON and Ctrl key was pressed
    return true if $DEBUG and Input.press?(Input::CTRL)
    return super
  end

  #-----------------------------------------------------------------------------
  # * Set Map Display Position to Center of Screen
  #-----------------------------------------------------------------------------
  def center(x, y)
    center_x = (Graphics.width/2 - Game_Map::TILE_WIDTH/2) * Game_Map::X_SUBPIXELS
    center_y = (Graphics.height/2 - Game_Map::TILE_HEIGHT/2) * Game_Map::Y_SUBPIXELS
    dispx = x * Game_Map::REAL_RES_X - center_x
    dispy = y * Game_Map::REAL_RES_Y - center_y
    self.map.display_x = dispx
    self.map.display_y = dispy
  end

  #-----------------------------------------------------------------------------
  # * Move to Designated Position
  #     x : x-coordinate
  #     y : y-coordinate
  #-----------------------------------------------------------------------------
  def moveto(x, y)
    super
    # Centering
    center(x, y)
    # Make encounter count
    make_encounter_count
  end

  #-----------------------------------------------------------------------------
  # * Make Encounter Count
  #-----------------------------------------------------------------------------
  def make_encounter_count
    # Image of two dice rolling
    if $game_map.map_id != 0
      n = $game_map.encounter_step
      @encounter_count = rand(n) + rand(n) + 1
    end
  end

  #-----------------------------------------------------------------------------
  # * Refresh
  #-----------------------------------------------------------------------------
  def refresh
    @opacity    = 255
    @blend_type = 0
  end

  #-----------------------------------------------------------------------------
  # * Same Position Starting Determinant
  #-----------------------------------------------------------------------------
  def check_event_trigger_here(triggers)
    result = false
    # If event is running
    return result if $game_system.map_interpreter.running?
    # All event loops
    for event in $game_map.events.values
      # If event coordinates and triggers are consistent
      next if event.x != @x || event.y != @y
      next if !triggers.include?(event.trigger)
      # If starting determinant is same position event (other than jumping)
      next if event.jumping? || !event.over_trigger?
      event.start
      result = true
    end
    return result
  end

  #-----------------------------------------------------------------------------
  # * Front Event Starting Determinant
  #-----------------------------------------------------------------------------
  def check_event_trigger_there(triggers)
    result = false
    # If event is running
    return result if $game_system.map_interpreter.running?
    # Calculate front event coordinates
    new_x = @x + (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
    new_y = @y + (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
    return false if !$game_map.valid?(new_x, new_y)
    # All event loops
    for event in $game_map.events.values
      # If event coordinates and triggers are consistent
      next if event.x != new_x || event.y != new_y
      next if !triggers.include?(event.trigger)
      # If starting determinant is front event (other than jumping)
      next if event.jumping? || event.over_trigger?
      event.start
      result = true
    end
    # If fitting event is not found
    if result == false
      # If front tile is a counter
      if $game_map.counter?(new_x, new_y)
        # Calculate coordinates of 1 tile further away
        new_x += (@direction == 6 ? 1 : @direction == 4 ? -1 : 0)
        new_y += (@direction == 2 ? 1 : @direction == 8 ? -1 : 0)
        return false if !$game_map.valid?(new_x, new_y)
        # All event loops
        for event in $game_map.events.values
          # If event coordinates and triggers are consistent
          next if event.x != new_x || event.y != new_y
          next if !triggers.include?(event.trigger)
          # If starting determinant is front event (other than jumping)
          next if event.jumping? || event.over_trigger?
          event.start
          result = true
        end
      end
    end
    return result
  end

  #-----------------------------------------------------------------------------
  # * Touch Event Starting Determinant
  #-----------------------------------------------------------------------------
  def check_event_trigger_touch(x, y)
    result = false
    # If event is running
    return result if $game_system.map_interpreter.running?
    # All event loops
    for event in $game_map.events.values
      # If event coordinates and triggers are consistent
      next if event.x != x || event.y != y
      if event.name[/trainer\((\d+)\)/i]
        distance = $~[1].to_i
        next if !pbEventCanReachPlayer?(event,self,distance)
      elsif event.name[/counter\((\d+)\)/i]
        distance = $~[1].to_i
        next if !pbEventFacesPlayer?(event,self,distance)
      end
      next if ![1,2].include?(event.trigger)
      # If starting determinant is front event (other than jumping)
      next if event.jumping? || event.over_trigger?
      event.start
      result = true
    end
    return result
  end

  #-----------------------------------------------------------------------------
  # * Frame Update
  #-----------------------------------------------------------------------------
  def update
    last_real_x = @real_x
    last_real_y = @real_y
    super
    update_screen_position(last_real_x, last_real_y)
    # Update dependent events
    $PokemonTemp.dependentEvents.updateDependentEvents
    # Count down the time between allowed bump sounds
    @bump_se -= 1 if @bump_se && @bump_se>0
    # Finish up dismounting from surfing
    if $PokemonTemp.endSurf && !moving?
      pbCancelVehicles
      $PokemonTemp.surfJump = nil
      $PokemonTemp.endSurf  = false
    end
    update_event_triggering
  end

  def update_command_new
    dir = Input.dir4
    unless pbMapInterpreterRunning? or $game_temp.message_window_showing or
           $PokemonTemp.miniupdate or $game_temp.in_menu
      # Move player in the direction the directional button is being pressed
      if dir==@lastdir && Graphics.frame_count-@lastdirframe>Graphics.frame_rate/20
        case dir
        when 2; move_down
        when 4; move_left
        when 6; move_right
        when 8; move_up
        end
      elsif dir!=@lastdir
        case dir
        when 2; turn_down
        when 4; turn_left
        when 6; turn_right
        when 8; turn_up
        end
      end
    end
    # Record last direction input
    @lastdirframe = Graphics.frame_count if dir!=@lastdir
    @lastdir      = dir
  end

  # Center player on-screen
  def update_screen_position(last_real_x, last_real_y)
    return if !@moved_this_frame
    center_x = (Graphics.width/2 - Game_Map::TILE_WIDTH/2) * Game_Map::X_SUBPIXELS
    center_y = (Graphics.height/2 - Game_Map::TILE_HEIGHT/2) * Game_Map::Y_SUBPIXELS
    if @real_y < last_real_y and @real_y - $game_map.display_y < center_y
      $game_map.scroll_up(last_real_y - @real_y)
    end
    if @real_y > last_real_y and @real_y - $game_map.display_y > center_y
      $game_map.scroll_down(@real_y - last_real_y)
    end
    if @real_x < last_real_x and @real_x - $game_map.display_x < center_x
      $game_map.scroll_left(last_real_x - @real_x)
    end
    if @real_x > last_real_x and @real_x - $game_map.display_x > center_x
      $game_map.scroll_right(@real_x - last_real_x)
    end
  end

  def update_event_triggering
    return if moving?
    # Try triggering events upon walking into them/in front of them
    if @moved_this_frame
      $PokemonTemp.dependentEvents.pbTurnDependentEvents
      result = pbCheckEventTriggerFromDistance([2])
      # Event determinant is via touch of same position event
      result |= check_event_trigger_here([1,2])
      # No events triggered, try other event triggers upon finishing a step
      pbOnStepTaken(result)
    end
    # If C button was pressed, try to manually interact with events
    if Input.trigger?(Input::C) && !$PokemonTemp.miniupdate
      # Same position and front event determinant
      check_event_trigger_here([0])
      check_event_trigger_there([0,2])
    end
  end
end



def pbGetPlayerCharset(meta,charset,trainer=nil,force=false)
  trainer = $Trainer if !trainer
  outfit = (trainer) ? trainer.outfit : 0
  if $game_player && $game_player.charsetData && !force
    return nil if $game_player.charsetData[0]==$PokemonGlobal.playerID &&
                  $game_player.charsetData[1]==charset &&
                  $game_player.charsetData[2]==outfit
  end
  $game_player.charsetData = [$PokemonGlobal.playerID,charset,outfit] if $game_player
  ret = meta[charset]
  ret = meta[1] if !ret || ret==""
  if pbResolveBitmap("Graphics/Characters/"+ret+"_"+outfit.to_s)
    ret = ret+"_"+outfit.to_s
  end
  return ret
end

def pbUpdateVehicle
  meta = pbGetMetadata(0,MetadataPlayerA+$PokemonGlobal.playerID)
  if meta
    charset = 1                                 # Regular graphic
    if $PokemonGlobal.diving;     charset = 5   # Diving graphic
    elsif $PokemonGlobal.surfing; charset = 3   # Surfing graphic
    elsif $PokemonGlobal.bicycle; charset = 2   # Bicycle graphic
    end
    newCharName = pbGetPlayerCharset(meta,charset)
    $game_player.character_name = newCharName if newCharName
  end
end

def pbCancelVehicles(destination=nil)
  $PokemonGlobal.surfing = false
  $PokemonGlobal.diving  = false
  $PokemonGlobal.bicycle = false if !destination || !pbCanUseBike?(destination)
  pbUpdateVehicle
end

def pbCanUseBike?(mapid)
  return true if pbGetMetadata(mapid,MetadataBicycleAlways)
  val = pbGetMetadata(mapid,MetadataBicycle)
  val = pbGetMetadata(mapid,MetadataOutdoor) if val==nil
  return (val) ? true : false
end

def pbMountBike
  return if $PokemonGlobal.bicycle
  $PokemonGlobal.bicycle = true
  pbUpdateVehicle
  bikebgm = pbGetMetadata(0,MetadataBicycleBGM)
  pbCueBGM(bikebgm,0.5) if bikebgm
end

def pbDismountBike
  return if !$PokemonGlobal.bicycle
  $PokemonGlobal.bicycle = false
  pbUpdateVehicle
  $game_map.autoplayAsCue
end