Better Barriers

#=============================================================================
# Borders
#=============================================================================

#Borders prevent the player from crossing past a point in a certain direction
#Set the event to parallel process, with conditional script Border(point,"direction")

def Border(point,direction)
  event=$game_map.events[@event_id]
  px=$game_player.x
  py=$game_player.y
  if event
  case direction
    when "up"
     if py<point
        return true
      end
    when "right"
     if px>point
        return true
      end
    when "down"
     if py>point
        return true
      end
    when "left"
     if px<point
        return true
      end
    end
  end
end


#=============================================================================
# Boundaries
#=============================================================================

#Boundaries require the player to stay within the limits given.
#Set the event to parallel process, with conditional script Boundary(X1,X2,Y1,Y2)
#            Y1
#      X1   (||)      X2
#            Y2
#Set both Xs to 0 for only Y boundaries, and vice versa


def Boundary(x1,x2,y1,y2)
  event=$game_map.events[@event_id]
  px=$game_player.x
  py=$game_player.y
  if event
    if y1==y2
      if px<x1 || px>x2
        return true
      else
        return false
      end
    elsif x1==x2
      if py<y1 || py>y2
        return true
      else
        return false
      end
    else
      if px<x1 || px>x2 ||
         py<y1 || py>y2
        return true
      else
        return false
      end
    end
  end
end

#=============================================================================
# Anchors
#=============================================================================

#Anchors require the player to be within a certain range of their event.
#Set the event to parallel process, with a conditional script Anchor(#), with
#"#" being the number of tiles away the player can be before triggering the event.
#xonly will only restrict the player horizontally
#yonly will only restrict the player vertically


def Anchor(limit,xonly=false,yonly=false)
  event=$game_map.events[@event_id]
  if event
    x=event.x
    y=event.y
    px=$game_player.x
    py=$game_player.y
    if xonly==true
        if px<=(x-limit) || px>=(x+limit)
          return true
        end
    elsif yonly==true
        if py<=(y-limit) || px>=(y+limit)
          return true
        end
    end
      if px<=(x-limit) || px>=(x+limit) ||
        py<=(y-limit) || py>=(y+limit)
        return true
      else
        return false
      end
  end
end