Class: FXMap

Inherits:
Map
  • Object
show all
Defined in:
lib/IFMapper/TrizbortReader.rb,
lib/IFMapper/FXMap.rb,
lib/IFMapper/GUEReader.rb,
lib/IFMapper/IFMReader.rb,
lib/IFMapper/MapReader.rb,
lib/IFMapper/PDFMapExporter.rb,
lib/IFMapper/SVGMapExporter.rb,
lib/IFMapper/PDFMapExporter_prawn.rb,
lib/IFMapper/PDFMapExporter_pdfwriter.rb

Overview

Trizbort map reader

Constant Summary collapse

FILE_FORMAT_VERSION = 
1
@@win =

Map Info window

nil
@@roomlist =

Room List Window

nil
@@itemlist =

Item List Window

nil
@@tooltip =

Cursors

nil
@@cursor_arrow = 
nil
@@cursor_cross = 
nil
@@cursor_n = 
nil
@@cursor_ne = 
nil
@@cursor_e = 
nil
@@cursor_se = 
nil
@@cursor_s = 
nil
@@cursor_sw = 
nil
@@cursor_w = 
nil
@@cursor_nw = 
nil

Instance Attribute Summary collapse

Attributes inherited from Map

#creator, #date, #height, #name, #section, #sections, #width

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Map

#_check_section, #delete_connection, #delete_connection_at, #delete_room_at, #delete_section_at, #fit, #new_connection, #pack_sections, #shift, #verify_integrity

Constructor Details

#initialize(name, parent = nil, default_options = nil, icon = nil, menu = nil, mode = nil, x = 0, y = 0, w = 0, h = 0) ⇒ FXMap

Main constructor. Create the object, initialize the pathmap and initialize the widgets and cursors if a parent window is passed.



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# File 'lib/IFMapper/FXMap.rb', line 1398

def initialize(name, parent = nil, default_options = nil,
 icon = nil, menu = nil, mode = nil, 
 x = 0, y = 0, w = 0, h = 0)
  @mutex      = Mutex.new
  @automap    = nil
  @navigation = false
  @modified   = false
  @mouseButton = false
  @filename = nil
  @complexConnection = false
  super(name)
  if parent
    @window  = FXMDIChild.new(parent, name, icon, menu, mode, x, y, w, h)
    @options = default_options
    _make_cursors if not @@cursor_arrow
    _make_widgets
  end
  empty_pathmap
  self.zoom = 0.8
end

Instance Attribute Details

#automap ⇒ Object (readonly)

Mutex to avoid racing conditions while automapping



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# File 'lib/IFMapper/FXMap.rb', line 28

def automap
  @automap
end

#complexConnection ⇒ Object (readonly)

Complex connection in progress



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# File 'lib/IFMapper/FXMap.rb', line 30

def complexConnection
  @complexConnection
end

#filename ⇒ Object

Filename of current map (if any)



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# File 'lib/IFMapper/FXMap.rb', line 19

def filename
  @filename
end

#modified ⇒ Object

Was map modified since being loaded?



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# File 'lib/IFMapper/FXMap.rb', line 20

def modified
  @modified
end

#mouseButton ⇒ Object (readonly)

Mouse button pressed



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# File 'lib/IFMapper/FXMap.rb', line 31

def mouseButton
  @mouseButton
end

#mutex ⇒ Object (readonly)

Returns the value of attribute mutex.



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# File 'lib/IFMapper/FXMap.rb', line 26

def mutex
  @mutex
end

#navigation ⇒ Object

Returns the value of attribute navigation.



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# File 'lib/IFMapper/FXMap.rb', line 21

def navigation
  @navigation
end

#options ⇒ Object

Map is navigation mode (no new nodes can be created)



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# File 'lib/IFMapper/FXMap.rb', line 23

def options
  @options
end

#pdflocationnos ⇒ Object

boolean value indicating whether the user wants to see location nos



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# File 'lib/IFMapper/PDFMapExporter.rb', line 428

def pdflocationnos
  @pdflocationnos
end

#pdfpapersize ⇒ Object

Returns the value of attribute pdfpapersize.



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# File 'lib/IFMapper/PDFMapExporter.rb', line 426

def pdfpapersize
  @pdfpapersize
end

#pmap ⇒ Object (readonly)

pmap is a path map (a matrix or grid used for path finding).

Rooms and paths are recorded there. Path finding is needed to draw complex connections (ie. those that are farther than one square) We now also use this for selecting of stuff, particularly complex paths.



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# File 'lib/IFMapper/FXMap.rb', line 38

def pmap
  @pmap
end

#version ⇒ Object (readonly)

file format version



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# File 'lib/IFMapper/FXMap.rb', line 25

def version
  @version
end

#window ⇒ Object (readonly)

Fox Window for this map



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# File 'lib/IFMapper/FXMap.rb', line 24

def window
  @window
end

#zoom ⇒ Object

Upgrade this if incompatible changes are made in the class so that file loading of old files can still be checked against.



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# File 'lib/IFMapper/FXMap.rb', line 18

def zoom
  @zoom
end

Class Method Details

.no_maps ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1572

def self.no_maps
  @@roomlist.hide if @@roomlist
  @@itemlist.hide if @@itemlist
  @@win.hide      if @@win
  FXRoom::no_maps
  FXConnection::no_maps
end

Instance Method Details

#_changed ⇒ Object

Map has changed dramatically. Update pathmap, title and redraw



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# File 'lib/IFMapper/FXMap.rb', line 60

def _changed
  create_pathmap
  if @window and @window.shown?
    update_title
    draw
  end
end

#_cut_selected ⇒ Object

Handle ‘cutting’ any selected rooms and/or connections



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# File 'lib/IFMapper/FXMap.rb', line 1422

def _cut_selected
  rooms, conns = get_selection
  ############################
  # First, handle rooms...
  ############################
  # Remove rooms from path map
  rooms.each { |r| @pmap[r.x][r.y] = nil }
  # Remove rooms from current section in map
  @sections[@section].rooms -= rooms
  # Add any connections pointing to removed rooms as 
  # connection to remove
  rooms.each { |r|
    conns += r.exits.find_all { |e| e != nil }
  }


  #########################
  # Now, handle connections
  #########################
  conns.uniq!

  # Remove connections from path map
  conns.each { |c| clean_path(c) }

  # Remove connections from current section in map
  @sections[@section].connections -= conns


  return rooms, conns
end

#_free_area?(x, y, w, h) ⇒ Boolean

Determine whether a pathmap area from x,y to x+w,y+h is free of rooms

Returns:

  • (Boolean) 


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# File 'lib/IFMapper/FXMap.rb', line 172

def _free_area?(x, y, w, h)
  x.upto(x+w) { |xx|
    y.upto(y+h) { |yy|
	return false if @pmap.at(xx).at(yy).kind_of?(Room)
    }
  }
  return true
end

#_make_cursors ⇒ Object

Create cursors



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# File 'lib/IFMapper/FXMap.rb', line 1323

def _make_cursors
  pix = []
  32.times { 32.times { pix << 255 << 255 << 255 << 255 } }
  pix = pix.pack('c*')


  ['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'].each { |d|
    eval(<<-"EOF")
    @@cursor_#{d} = FXGIFCursor.new(@window.getApp, pix)
    FXFileStream.open('icons/room_#{d}.gif', FXStreamLoad) { |stream|
	@@cursor_#{d}.loadPixels(stream)
    }
    @@cursor_#{d}.create
    EOF
  }

  @@cursor_move = FXCursor.new(@window.getApp, CURSOR_MOVE)
  @@cursor_move.create

  @@cursor_arrow = FXCursor.new(@window.getApp, CURSOR_ARROW)
  @@cursor_arrow.create
  
  @@cursor_cross = FXCursor.new(@window.getApp, CURSOR_CROSS)
  @@cursor_cross.create
end

#_make_widgets ⇒ Object

Create widgets for this map window



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# File 'lib/IFMapper/FXMap.rb', line 1352

def _make_widgets
  @scrollwindow = FXScrollWindow.new(@window, 
		       SCROLLERS_NORMAL|SCROLLERS_TRACK)
  width  = WW * @width
  height = HH * @height

  @canvasFrame = FXVerticalFrame.new(@scrollwindow,
		       FRAME_SUNKEN|LAYOUT_FILL_X|
		       LAYOUT_FILL_Y|LAYOUT_TOP|LAYOUT_LEFT)

  # First, create an off-screen image for drawing and double buffering
  @image  = FXBMPImage.new(@window.getApp, nil, IMAGE_SHMI|IMAGE_SHMP, 
	     width, height)
  @image.create

  # Then create canvas
  @canvas = FXCanvas.new(@canvasFrame, nil, 0,
  			   LAYOUT_FIX_WIDTH|LAYOUT_FIX_HEIGHT|
	   LAYOUT_TOP|LAYOUT_LEFT,
  			   0, 0, width, height)
  @dirty = true
  # @canvas.connect(SEL_UPDATE, method(:update_cb))

  @canvas.connect(SEL_PAINT, method(:draw))
  @canvas.backColor = @options['BG Color']

  @canvas.connect(SEL_MOUSEWHEEL, method(:mousewheel_cb))
  @canvas.connect(SEL_LEFTBUTTONPRESS, method(:lmb_click_cb))
  @canvas.connect(SEL_LEFTBUTTONRELEASE, method(:mmb_release_cb))
  @canvas.connect(SEL_MOTION, method(:motion_cb))
  @canvas.connect(SEL_MIDDLEBUTTONPRESS, method(:mmb_click_cb))
  @canvas.connect(SEL_MIDDLEBUTTONRELEASE, method(:mmb_release_cb))
  @canvas.connect(SEL_RIGHTBUTTONPRESS, method(:rmb_click_cb))
  @canvas.connect(SEL_KEYPRESS, method(:keypress_cb))

  if fxversion !~ /^1.2/
    @@tooltip = FXToolTip.new(@canvas.app, FXToolTip::TOOLTIP_PERMANENT)
    # Tooltip is too buggy and annoying.  Turning it off for now.
    # @canvas.connect(SEL_QUERY_TIP, method(:tooltip_cb))
  end
end

#_new_complex_connection(roomA, exitA) ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 732

def _new_complex_connection(roomA, exitA)
  if @complexConnection.kind_of?(TrueClass)
    @complexConnection = [roomA, exitA]
    c = new_connection( roomA, exitA, nil )
    status MSG_COMPLEX_CONNECTION_OTHER_EXIT
  else
    @sections[@section].delete_connection_at(-1)
    c = new_connection( @complexConnection[0], 
	 @complexConnection[1], roomA, exitA )
    if path_find(c)  # Do A* path finding to connect both exits
	@modified = true
	status MSG_COMPLEX_CONNECTION_DONE
    else
	@sections[@section].delete_connection_at(-1)
    end
    draw
    @complexConnection = nil
  end
end

#_save ⇒ Object

Perform the actual saving of the map



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# File 'lib/IFMapper/FXMap.rb', line 2063

def _save
  if @complexConnection
    # If we have an incomplete connection, remove it
    @sections[@section].delete_connection_at(-1)
  end

  if @filename !~ /\.map$/i
    @filename << '.map'
  end

  status "#{MSG_SAVING} '#{@filename}'..."

  # Make sure we save a valid map.  This is mainly a fail-safe
  # in case of an autosave due to a bug.
  verify_integrity

  @version = FILE_FORMAT_VERSION
  begin
    f = File.open(@filename, "wb")
    f.puts Marshal.dump(self)
    f.close
  rescue => e
    status "#{ERR_COULD_NOT_SAVE} '#{@filename}': #{e}"
    sleep 4
    return false
  end
  @modified = false
  status "#{MSG_SAVED} '#{@filename}'."
  sleep 0.5
  return true
end

#add_path_pt(c, x, y) ⇒ Object

Add a new path point to a connection



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# File 'lib/IFMapper/FXMap.rb', line 364

def add_path_pt( c, x, y )
  @pmap[x][y] = c
  c.gpts.push([x, y])
end

#cannot_automap(why) ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1610

def cannot_automap(why)
  w = FXWarningBox.new(@window, "#{ERR_CANNOT_AUTOMAP}\n#{why}")
  w.execute
end

#center_view_on_room(r) ⇒ Object

Given a room, center scrollwindow so room is visible



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# File 'lib/IFMapper/FXMap.rb', line 1033

def center_view_on_room(r)
  xx = (r.xx + W / 2) * @zoom
  yy = (r.yy + H / 2) * @zoom
  center_view_on_xy(xx, yy)
end

#center_view_on_xy(xx, yy) ⇒ Object

Given an x and y coordinate for the canvas, center on it



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# File 'lib/IFMapper/FXMap.rb', line 1042

def center_view_on_xy(xx, yy)
  cw = @scrollwindow.getContentWidth
  ch = @scrollwindow.getContentHeight
  w = @scrollwindow.getViewportWidth
  h = @scrollwindow.getViewportHeight

  xx -= w / 2
  yy -= h / 2
  maxx = cw - w / 2
  maxy = ch - h / 2
  if xx > maxx
    xx = maxx
  elsif xx < 0
    xx = 0
  end
  if yy > maxy
    yy = maxy
  elsif yy < 0
    yy = 0
  end

  @scrollwindow.setPosition( -xx, -yy )
end

#clean_exits(room) ⇒ Object

Clean all paths from path map for a room



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# File 'lib/IFMapper/FXMap.rb', line 1545

def clean_exits(room)
  room.exits.each { |c|
    next if not c
    clean_path(c)
  }
end

#clean_path(c) ⇒ Object

Given a connection, clean its path from path map.



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# File 'lib/IFMapper/FXMap.rb', line 252

def clean_path(c)
  c.gpts.each { |p| @pmap[p[0]][p[1]] = nil if @pmap[p[0]][p[1]] == c }
end

#clean_room_selection(selection) ⇒ Object

Given a selection of rooms, clear all of them from path map



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# File 'lib/IFMapper/FXMap.rb', line 1525

def clean_room_selection(selection)
  selection.each { |r| 
    @pmap[r.x][r.y] = nil
    clean_exits(r)
  }
end

#clear_selection ⇒ Object

Clear rooms/connections selected



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# File 'lib/IFMapper/FXMap.rb', line 1079

def clear_selection
  @sections[@section].rooms.each { |r| r.selected = false }
  @sections[@section].connections.each { |r| r.selected = false }
end

#click_type(x, y) ⇒ Object

Given a canvas (mouse) x/y position, return:

false - arrow click true - room click



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# File 'lib/IFMapper/FXMap.rb', line 462

def click_type(x, y)
  x = (x % WW).to_i
  y = (y % HH).to_i

  if x >= WS_2 and y >= HS_2 and
	x <= (W + WS_2) and y <= (H + HS_2)
    return true
  else
    return false
  end
end

#close_cb ⇒ Object

Close the map. Pop up a warning box to allow saving if map has been modified.



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# File 'lib/IFMapper/FXMap.rb', line 1253

def close_cb()
  if @modified
    dlg = FXDialogBox.new( @window.parent, "Warning", 
	    DECOR_ALL,
	    0, 0, 400, 130)
    # Frame
    s = FXVerticalFrame.new(dlg,
	      LAYOUT_SIDE_TOP|LAYOUT_FILL_X)

    f = FXHorizontalFrame.new(s, LAYOUT_SIDE_TOP|LAYOUT_FILL_X|LAYOUT_FILL_Y)

    font = FXFont.new(@window.getApp, "Helvetica", 30)
    font.create
    oops = FXLabel.new(f, "!", nil, 0, LAYOUT_SIDE_LEFT|LAYOUT_FILL_X|
	 LAYOUT_CENTER_Y)
    oops.frameStyle = FRAME_RAISED|FRAME_THICK
    oops.baseColor = 'dark grey'
    oops.textColor = 'red'
    oops.padLeft = oops.padRight = 15
    oops.shadowColor = 'black'
    oops.borderColor = 'white'
    oops.font = font

    FXLabel.new(f, 
                "\n#{@name} #{MSG_WAS_MODIFIED}#{MSG_SHOULD_I_SAVE_CHANGES}",
  nil, 0)

    # Separator
    FXHorizontalSeparator.new(s,
		LAYOUT_SIDE_TOP|LAYOUT_FILL_X|SEPARATOR_GROOVE)

    # Bottom buttons
    buttons = FXHorizontalFrame.new(s,
		      LAYOUT_SIDE_BOTTOM|FRAME_NONE|
		      LAYOUT_FILL_X|PACK_UNIFORM_WIDTH)
    # Accept
    yes = FXButton.new(buttons, BUTTON_YES, nil, dlg, FXDialogBox::ID_ACCEPT,
	 FRAME_RAISED|FRAME_THICK|LAYOUT_FILL_X|
	 LAYOUT_RIGHT|LAYOUT_CENTER_Y)
    yes.connect(SEL_COMMAND) { 
	dlg.close
	if save
 @window.close
 return true
	else
 return false
	end
    }
    FXButton.new(buttons, BUTTON_NO, nil, dlg, FXDialogBox::ID_ACCEPT,
   FRAME_RAISED|FRAME_THICK|LAYOUT_FILL_X|
   LAYOUT_RIGHT|LAYOUT_CENTER_Y)
    
    # Cancel
    FXButton.new(buttons, BUTTON_CANCEL, nil, dlg, FXDialogBox::ID_CANCEL,
   FRAME_RAISED|FRAME_THICK|LAYOUT_FILL_X|
   LAYOUT_RIGHT|LAYOUT_CENTER_Y)
    yes.setDefault
    yes.setFocus

    return false if dlg.execute == 0
  end
  @automap.destroy if @automap
  @automap = nil
  @window.close
  return true
end

#complex_connection ⇒ Object

Start a complex connection



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# File 'lib/IFMapper/FXMap.rb', line 1516

def complex_connection
  return if @complexConnection or @navigation
  @complexConnection = true
  status MSG_COMPLEX_CONNECTION
end

#copy(b) ⇒ Object

Used to copy relevant data from one (temporary) map to another



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# File 'lib/IFMapper/FXMap.rb', line 391

def copy(b)
  super(b)
  if b.kind_of?(FXMap)
    @options  = b.options if b.options
    @filename = b.filename
    self.zoom = b.zoom
    @navigation = b.navigation
    @modified = true
    @complexConnection = nil
  end
end

#create_pathmap ⇒ Object

Recreate the pathmap based on rooms and connections This routine is used on loading a new map.



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# File 'lib/IFMapper/FXMap.rb', line 240

def create_pathmap
  # First, create an empty grid of width x height
  empty_pathmap
  # Then, fill it in with all rooms...
  @sections[@section].rooms.each { |r| @pmap[r.x][r.y] = r }
  # And following, add all paths
  @sections[@section].connections.each { |c| path_find(c) }
end

#current_room ⇒ Object

Return the current active room



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# File 'lib/IFMapper/FXMap.rb', line 1604

def current_room
  rooms = @sections[@section].rooms.find_all { |r| r.selected }
  return nil if rooms.empty? or rooms.size > 1
  return rooms[0]
end

#cursor_switch(x, y) ⇒ Object

Based on x,y coordinate, switch mouse icon shape



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# File 'lib/IFMapper/FXMap.rb', line 832

def cursor_switch(x, y)
  if not @options['Use Room Cursor']
    @canvas.defaultCursor = @@cursor_arrow
    return
  end
  q = get_quadrant(x, y)
  case q
  when 0
    @canvas.defaultCursor = @@cursor_n
  when 1
    @canvas.defaultCursor = @@cursor_ne
  when 2
    @canvas.defaultCursor = @@cursor_e
  when 3
    @canvas.defaultCursor = @@cursor_se
  when 4
    @canvas.defaultCursor = @@cursor_s
  when 5
    @canvas.defaultCursor = @@cursor_sw
  when 6
    @canvas.defaultCursor = @@cursor_w
  when 7
    @canvas.defaultCursor = @@cursor_nw
  else
    @canvas.defaultCursor = @@cursor_arrow
  end
end

#cut_selected ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1453

def cut_selected
  rooms, conns = _cut_selected

  # Remove room exits pointing to any removed connection
  if conns
    conns.each { |c|
      a = c.roomA
      b = c.roomB
      if not rooms.member?(a)
        a[a.exits.index(c)] = nil
      end
      if b and not rooms.member?(b)
        idx = b.exits.rindex(c)
        b[idx] = nil if idx
      end
    }
  end

  if @complexConnection
    @complexConnection = false
    status MSG_COMPLEX_CONNECTION_STOPPED
  end

  self.modified = true
  create_pathmap
  draw
end

#delete_room(r) ⇒ Object

Given a room, delete it



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# File 'lib/IFMapper/FXMap.rb', line 449

def delete_room(r)
  if @pmap and r.x < @pmap.size and r.y < @pmap.size and
	r.x >= 0 and r.y >= 0
    @pmap[r.x][r.y] = nil
  end
  super
end

#delete_room_only(r) ⇒ Object

Given a room, delete it



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# File 'lib/IFMapper/FXMap.rb', line 438

def delete_room_only(r)
  if @pmap and r.x < @pmap.size and r.y < @pmap.size and
	r.x >= 0 and r.y >= 0
    @pmap[r.x][r.y] = nil
  end
  super
end

#delete_section ⇒ Object

Delete current section from map



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# File 'lib/IFMapper/FXMap.rb', line 114

def delete_section
  return navigation_warning if @navigation
  w = FXWarningBox.new(@window, WARN_DELETE_SECTION)
  return if w.execute == 0

  delete_section_at(@section)
  self.modified = true
end

#delete_selected ⇒ Object

Handle deleting selected rooms and/or connections



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# File 'lib/IFMapper/FXMap.rb', line 1484

def delete_selected
  return navigation_warning if @navigation
  rooms, conns = _cut_selected

  # Remove room exits pointing to any removed connection
  if conns
    conns.each { |c|
      a = c.roomA
      b = c.roomB
      if not rooms.member?(a)
        a[a.exits.index(c)] = nil
      end
      if b and not rooms.member?(b)
        idx = b.exits.rindex(c)
        b[idx] = nil if idx
      end
    }
  end

  if @complexConnection
    @complexConnection = false
    status MSG_COMPLEX_CONNECTION_STOPPED
  end

  self.modified = true
  create_pathmap
  draw
end

#double_click_cb(selection, event) ⇒ Object

Handle mouse button double clicks in canvas



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# File 'lib/IFMapper/FXMap.rb', line 798

def double_click_cb(selection, event)
  return unless selection
  # If in navigation mode, we don't allow user to modify map.
  return navigation_warning if @navigation
  if selection.kind_of?(FXRoom) or selection.kind_of?(FXConnection)
    selection.properties( self, event )
  end
end

#draw(sender = nil, sel = nil, event = nil) ⇒ Object

Draw map



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# File 'lib/IFMapper/FXMap.rb', line 2016

def draw(sender = nil, sel = nil, event = nil)
  return if @mutex.locked? or not @canvas.created?

  if not @image.created?
    # puts "Image was not created.  Try again"
    self.zoom = @zoom 
  end

  pos = @scrollwindow.position
  w   = @scrollwindow.getViewportWidth
  h   = @scrollwindow.getViewportHeight

  # The -5 seems to be a bug in fox.  don't ask me.
  cx  = -pos[0]-5
  cx  = 0 if cx < 0
  cy  = -pos[1]-5
  cy  = 0 if cy < 0

  dc = FXDCWindow.new(@image)
  dc.setClipRectangle( cx, cy, w, h)
  dc.font = @font
  #dc.lineCap = CAP_ROUND
  draw_background(dc, event)
  draw_grid(dc, event) if @options['Grid Boxes']
  if @options['Grid Straight Connections']
    draw_straight_connections(dc, event)
  end
  if @options['Grid Diagonal Connections']
    draw_diagonal_connections(dc, event)
  end
  draw_connections(dc)
  draw_rooms(dc)
  dc.end
  

  # Blit the off-screen image into canvas
  dc = FXDCWindow.new(@canvas)
  dc.setClipRectangle( cx, cy, w, h)
  dc.drawImage(@image,0,0)
  dc.end

end

#draw_background(dc, event = nil) ⇒ Object

Clean background to solid color



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# File 'lib/IFMapper/FXMap.rb', line 1911

def draw_background(dc, event = nil)
  dc.foreground = @options['BG Color']
  dc.fillRectangle(0,0, @canvas.width, @canvas.height)
end

#draw_connections(dc) ⇒ Object

Draw connections among rooms



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# File 'lib/IFMapper/FXMap.rb', line 1919

def draw_connections(dc)
  dc.lineStyle = LINE_SOLID
  dc.lineWidth = 3 * @zoom
  dc.lineWidth = 3 if dc.lineWidth < 3
  @sections[@section].connections.each { |c| c.draw(dc, @zoom, @options) }
end

#draw_diagonal_connections(dc, event) ⇒ Object

Draw template of diagonal connections in grid background



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# File 'lib/IFMapper/FXMap.rb', line 1789

def draw_diagonal_connections(dc, event)
  ww = WW * @zoom
  hh = HH * @zoom

  w = W * @zoom
  h = H * @zoom

  ws = WS * @zoom
  hs = HS * @zoom

  ws_2 = WS_2 * @zoom
  hs_2 = HS_2 * @zoom

  maxy = @height - 1
  maxx = @width  - 1

  (0...@height).each { |yy|
    (0...@width).each { |xx|
	next if @pmap.at(xx).at(yy).kind_of?(Connection)
	x = xx * ww
	y = yy * hh

	if yy < maxy and xx < maxx
 # First, draw \
 x1 = x + w + ws_2
 y1 = y + h + hs_2
 
 x2 = x1 + ws
 y2 = y1 + hs
 dc.drawLine( x1, y1, x2, y2 )

	end

	if yy < maxy and xx > 0 and xx <= maxx
 # Then, draw /
 x1 = x + ws_2
 y1 = y + h + hs_2

 x2 = x1 - ws
 y2 = y1 + hs
 dc.drawLine( x2, y2, x1, y1 )
	end
    }
  }
end

#draw_grid(dc, event = nil) ⇒ Object

Draw template of room squares in background



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# File 'lib/IFMapper/FXMap.rb', line 1883

def draw_grid(dc, event = nil)

  dc.foreground = "black"
  dc.lineWidth  = 0
  dc.lineStyle  = LINE_ONOFF_DASH

  ww = WW * @zoom
  hh = HH * @zoom

  w = W * @zoom
  h = H * @zoom

  ws_2 = WS_2 * @zoom
  hs_2 = HS_2 * @zoom

  (0...@width).each { |xx|
    (0...@height).each { |yy|
	next if @pmap.at(xx).at(yy)
	x = xx * ww + ws_2
  	y = yy * hh + hs_2
	dc.drawRectangle( x, y, w, h )
    }
  }
end

#draw_mapname(dc) ⇒ Object

Draw mapname



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# File 'lib/IFMapper/FXMap.rb', line 1957

def draw_mapname(dc)
  fontsize = (24 * @zoom).to_i
  font = FXFont.new(@window.getApp, @options['Font Text'], fontsize)
  font.create

  x = @width * WW / 2.0 - @name.size * 24
  dc.drawText(x, 30, @name)
end

#draw_room(room) ⇒ Object

Draw a single room (callback used when editing room dialog box)



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# File 'lib/IFMapper/FXMap.rb', line 1929

def draw_room(room)
  idx = @sections[@section].rooms.index(room)
  return unless idx

  dc = FXDCWindow.new(@canvas)
  dc.font = @font
  data = { }
  data['font']    = @font
  data['objfont'] = @objfont
  room.draw(dc, @zoom, idx, @options, data)
  dc.end
end

#draw_rooms(dc) ⇒ Object

Draw all rooms in current section



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# File 'lib/IFMapper/FXMap.rb', line 1945

def draw_rooms(dc)
  data = { }
  data['font']    = @font
  data['objfont'] = @objfont
  @sections[@section].rooms.each_with_index { |room, idx| 
    room.draw(dc, @zoom, idx, @options, data) 
  }
end

#draw_straight_connections(dc, event) ⇒ Object

Draw template of straight connections in grid background



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# File 'lib/IFMapper/FXMap.rb', line 1838

def draw_straight_connections(dc, event)
  ww = WW * @zoom
  hh = HH * @zoom

  w = W * @zoom
  h = H * @zoom

  ws_2 = WS_2 * @zoom
  hs_2 = HS_2 * @zoom

  #---- dummy check to catch an ugly bug that I cannot track...
  create_pathmap if @pmap.size < @width or @pmap[0].size < @height

  # First, draw horizontal lines
  (0...@height).each { |yy|
    (0..@width-2).each { |xx|
	next if @pmap.at(xx).at(yy).kind_of?(Connection) or
 @pmap.at(xx+1).at(yy).kind_of?(Connection)
	x1 =       xx * ww + w + ws_2
	x2 = (xx + 1) * ww + ws_2
  	y1 = yy * hh + h / 2 + hs_2
	
	dc.drawLine( x1, y1, x2, y1 )
    }
  }

  # Then, draw vertical lines
  (0...@width).each { |xx|
    (0..@height-2).each { |yy|
	next if @pmap.at(xx).at(yy).kind_of?(Connection) or
 @pmap.at(xx).at(yy+1).kind_of?(Connection)
	x1 = xx * ww + w / 2 + ws_2
  	y1 =       yy * hh + h + hs_2
	y2 = (yy + 1) * hh + hs_2
	
	dc.drawLine( x1, y1, x1, y2 )
    }
  }
end

#dump_pathmap ⇒ Object

A simple debugging function that will spit out the path map with a very simple ascii representation.



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# File 'lib/IFMapper/FXMap.rb', line 150

def dump_pathmap
  s = ' ' + ' ' * @width + "\n"
  m = s * @height
  (0...@width).each { |x|
    (0...@height).each { |y|
	m[y * (@width+2)] = (y % 10).to_s
	loc = y * (@width+2) + x + 1
	if @pmap.at(x).at(y).kind_of?(Connection)
 m[loc] = '-'
	elsif @pmap.at(x).at(y).kind_of?(Room)
 m[loc] = 'R'
	end
    }
  }
  puts ' 0123456789' * (@width/10)
  puts m
end

#empty_pathmap ⇒ Object

Reinitialize the pathmap to an empty matrix



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# File 'lib/IFMapper/FXMap.rb', line 227

def empty_pathmap
  # First, create an empty grid of width x height
  @pmap = Array.new(@width)
  (0...@width).each { |x|
    @pmap[x] = Array.new(@height)
  }
  return pmap
end

#export_ifm(file) ⇒ Object

Export map as an IFM map file



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# File 'lib/IFMapper/FXMap.rb', line 2110

def export_ifm(file)
  require 'IFMapper/IFMWriter'
  file += '.ifm' if file !~ /\.ifm$/
  IFMWriter.new(self, file)
end

#export_inform(file, version = 6) ⇒ Object

Export map as a set of Inform source code files



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# File 'lib/IFMapper/FXMap.rb', line 2147

def export_inform(file, version = 6)
  if file =~ /\.inform$/ or version > 6
    return export_inform7(file)
  end

  require 'IFMapper/InformWriter'
  file.sub!(/(-\d+)?\.inf/, '')
  InformWriter.new(self, file)
end

#export_inform7(file) ⇒ Object

Export map as a set of Inform source code files



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# File 'lib/IFMapper/FXMap.rb', line 2129

def export_inform7(file)
  require 'IFMapper/Inform7Writer'
  file.sub!(/\.inform$/, '')
  Inform7Writer.new(self, file)
end

#export_tads(file) ⇒ Object

Export map as a set of TADS3 source code files



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# File 'lib/IFMapper/FXMap.rb', line 2120

def export_tads(file)
  require 'IFMapper/TADSWriter'
  file.sub!(/(-\d+)?\.t/, '')
  TADSWriter.new(self, file)
end

#export_trizbort(file) ⇒ Object

Export map as a set of Inform source code files



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# File 'lib/IFMapper/FXMap.rb', line 2138

def export_trizbort(file)
  require 'IFMapper/TrizbortWriter'
  file.sub!(/\.trizbort$/, '')
  TrizbortWriter.new(self, file)
end

#find_empty_area(rooms) ⇒ Object

Given a list of rooms, find an area in the map where we could place them. If found, return x/y offset so rooms can be moved there. This is used for pasting rooms.



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# File 'lib/IFMapper/FXMap.rb', line 200

def find_empty_area(rooms)
  return nil if rooms.empty?
  minx = maxx = rooms[0].x 
  miny = maxy = rooms[0].y
  rooms.each { |r|
    minx = r.x if r.x < minx
    maxx = r.x if r.x > maxx
    miny = r.y if r.y < miny
    maxy = r.y if r.y > maxy
  }
  w = maxx - minx
  h = maxy - miny

  # Find an area in pathmap that has w x h empty rooms
  0.upto(@width-1-w) { |x|
    0.upto(@height-1-h) { |y|
	if _free_area?(x, y, w, h)
 return [x - minx, y - miny]
	end
    }
  }
  return nil
end

#free?(x, y) ⇒ Boolean

Return true or false if map is free at location x, y. If x and y coords are within pathmap, we use it. If not, we will use the brute force search of Map.rb

Returns:

  • (Boolean) 


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# File 'lib/IFMapper/FXMap.rb', line 186

def free?(x, y)
  if @pmap and x >= 0 and y >= 0 and @pmap.size > x and @pmap.at(x).size > y
    return false if @pmap.at(x).at(y)
    return true
  else
    super
  end
end

#get_quadrant(ax, ay) ⇒ Object

Given a mouse x/y position to WS/HS, return an index indicating what quadrant it belongs to.



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# File 'lib/IFMapper/FXMap.rb', line 616

def get_quadrant(ax, ay)
  # First get relative x/y position
  x = ax % WW
  y = ay % HH

  quadrant = nil
  if x < WS_2
    #left
    if y < HS_2
	# top
	quadrant = 7
    elsif y > H + HS_2
	# bottom
	quadrant = 5
    else
	# center
	quadrant = 6
    end
  elsif x > W + WS_2
    # right
    if y < HS_2
	# top
	quadrant = 1
    elsif y > H + HS_2
	# bottom
	quadrant = 3
    else
	# center
	quadrant = 2
    end
  else
    #center
    if y < HS_2
	# top
	quadrant = 0
    elsif y > H + HS_2
	# bottom
	quadrant = 4
    else
	# center
	quadrant = nil
    end
  end


  return quadrant
end

#get_selection ⇒ Object

Return current selection as an array of rooms and an array of connections



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# File 'lib/IFMapper/FXMap.rb', line 1070

def get_selection
  rooms = @sections[@section].rooms.find_all { |r| r.selected }
  conns = @sections[@section].connections.find_all { |r| r.selected }
  return rooms, conns
end

#help_cb(sender, sel, event) ⇒ Object

Show some help status in status line based on cursor position



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# File 'lib/IFMapper/FXMap.rb', line 876

def help_cb(sender, sel, event)

  x = (event.last_x / @zoom).to_i
  y = (event.last_y / @zoom).to_i
  if @complexConnection
    cursor_switch(x,y)
    return
  end

  @tooltip_msg = ''
  sel = to_object(x, y)
  if sel
    @canvas.defaultCursor = @@cursor_arrow
    if sel.kind_of?(Room)
	@tooltip_msg = sel.name
	status "\"#{sel.name}\": #{MSG_CLICK_TO_SELECT_AND_MOVE}"
    elsif sel.kind_of?(Connection)
	status MSG_CLICK_TOGGLE_ONE_WAY_CONNECTION
    end
  else
    if click_type(x, y)
	@canvas.defaultCursor = @@cursor_cross
	status MSG_CLICK_CREATE_ROOM
    else
	cursor_switch(x, y)
	status MSG_CLICK_CREATE_LINK
    end
  end
end

#keypress_cb(server, sel, event) ⇒ Object

Handle a keypress



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# File 'lib/IFMapper/FXMap.rb', line 1698

def keypress_cb( server, sel, event)
  case event.code
  when KEY_Escape
    if @complexConnection 
	if @complexConnection.kind_of?(Array)
 @sections[@section].delete_connection_at(-1)
 status MSG_COMPLEX_CONNECTION_STOPPED
 draw
	end
	@complexConnection = false
    end
  when KEY_BackSpace, KEY_Delete
    return navigation_warning if @navigation
    delete_selected
  when KEY_a
    if event.state & ALTMASK != 0
      select_all
    end
  when KEY_n
    if event.state & ALTMASK != 0
      clear_selection
      draw
    end
  when KEY_c
    if event.state & CONTROLMASK != 0
	FXMapperWindow::copy_selected(self)
	draw
    end
  when KEY_v
    if event.state & CONTROLMASK != 0
	FXMapperWindow::paste_selected(self)
	@modified = true
	draw
    end
  # when KEY_u
  #   if event.state & CONTROLMASK != 0
  #     FXMapperWindow::undo(self)
  #     @modified = true
  #     draw
  #   end
  when KEY_x
    return navigation_warning if @navigation
    if event.state & CONTROLMASK != 0
	FXMapperWindow::cut_selected(self)
	@modified = true
	draw
    else
	complex_connection
    end
  when KEY_plus
    zoom_in
  when KEY_minus
    zoom_out
  when KEY_KP_8
    move_thru(0)
  when KEY_KP_9
    move_thru(1)
  when KEY_KP_6
    move_thru(2)
  when KEY_KP_3
    move_thru(3)
  when KEY_KP_2
    move_thru(4)
  when KEY_KP_1
    move_thru(5)
  when KEY_KP_4
    move_thru(6)
  when KEY_KP_7
    move_thru(7)
  when KEY_Up
    move_to(0)
  when KEY_Down
    move_to(4)
  when KEY_Left
    move_to(6)
  when KEY_Right
    move_to(2)
  when KEY_End
    move_to(5)
  when KEY_Home
    move_to(7)
  when KEY_Page_Up
    move_to(1)
  when KEY_Page_Down
    move_to(3)
  end
end

#lmb_click_cb(sender, sel, event) ⇒ Object

Handle left mouse button click



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# File 'lib/IFMapper/FXMap.rb', line 1155

def lmb_click_cb(sender, sel, event)
  x = (event.last_x / @zoom).to_i
  y = (event.last_y / @zoom).to_i

  if event.state & ALTMASK != 0
    mmb_click_cb(sender, sel, event)
    return
  end

  selection = to_object(x, y)

  if event.state & SHIFTMASK != 0
    @mouseButton = LEFTBUTTON
    @canvas.grab
    @dx, @dy = [ x, y ]
    return if not selection
  end


  if event.click_count == 2
    double_click_cb(selection, event)
    return
  end

  unless selection
    clear_selection

    # If in navigation mode, we don't allow user to modify map.
    return if @navigation

    # if we did not select anything, check to see if we
    # clicked in a room area or connection area.
    if click_type(x, y)
	return if @complexConnection
	# Add a new room
	roomB = @sections[@section].rooms[-1]
	roomA = new_xy_room( x, y )
	if roomB and roomA and @options['Automatic Connection']
 # check to see if rooms are next to each other
 # if so, try to connect them (assuming there's no connection there
 # already).
 exitB = roomB.next_to?(roomA)
 if exitB and roomB.exits[exitB] == nil
   new_connection( roomB, exitB, roomA )
 end
	end
    else
	# Add a new connection
	if @complexConnection
 new_complex_connection(x, y)
	else
 # Add a new simple connection (plus rooms if needed)
 if event.state & CONTROLMASK != 0
   exitA = get_quadrant(x, y)
   roomA, roomB, a, b = quadrant_to_rooms( exitA, x, y )
   if not roomA
     new_xy_connection( x, y )
   else
     if a and roomA
@complexConnection = [roomA, exitA]
new_connection( roomA, exitA, nil )
_new_complex_connection( roomA, exitA )
     end
   end
 else
   new_xy_connection( x, y )
 end
	end
    end
  else
    if selection.kind_of?(Connection) and selection.selected
	# Toggle arrow direction
      # If in navigation mode, we don't allow user to modify map.
      return if @navigation
	selection.toggle_direction
	draw
	return
    else
	if event.state & SHIFTMASK == 0 and
   event.state & CONTROLMASK == 0
 clear_selection
	end
	# Select the stuff
	selection.update_properties(self)
	if event.state & CONTROLMASK != 0
 selection.selected ^= true # toggle selection
	else
 selection.selected  = true
	end
    end
  end
  draw(sender, sel, event)
end

#marshal_dump ⇒ Object

Used for saving class with Marshal



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# File 'lib/IFMapper/FXMap.rb', line 384

def marshal_dump
  [ @zoom, @navigation, @options ] + super 
end

#marshal_load(variables) ⇒ Object

Used for loading class with Marshal



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# File 'lib/IFMapper/FXMap.rb', line 372

def marshal_load(variables)
  @zoom       = variables.shift
  @navigation = variables.shift
  @options    = variables.shift
  super
  @modified   = false
  @complexConnection = nil
end

#max_width(opts) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 982

def max_width(opts)
  max_width=0
  @sections.each_with_index{ |sect, idx|
    maxx = sect.svg_width(opts)
    if(maxx > max_width)
      max_width = maxx
    end
    if DEBUG_OUTPUT; puts("section=" + idx.to_s + ":maxx=" + maxx.to_s) end
  }
  return max_width
end

#mmb_click_cb(server, sel, event) ⇒ Object

Handle middle mouse button click in canvas



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# File 'lib/IFMapper/FXMap.rb', line 932

def mmb_click_cb(server, sel, event)
  @canvas.grab
  @dx = @dy = 0
  @mouseButton = MIDDLEBUTTON
end

#mmb_release_cb(server, sel, event) ⇒ Object

Handle release of middle mouse button



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# File 'lib/IFMapper/FXMap.rb', line 1017

def mmb_release_cb(server, sel, event)
  if @mouseButton
    @canvas.ungrab
    @canvas.dragCursor = @@cursor_arrow
    if @mouseButton == LEFTBUTTON
	draw
    else
	@canvas.repaint
    end
    @mouseButton = nil
  end
end

#motion_cb(server, sel, event) ⇒ Object

Handle mouse motion in canvas



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# File 'lib/IFMapper/FXMap.rb', line 991

def motion_cb(server, sel, event)
  if @mouseButton == MIDDLEBUTTON
    @canvas.dragCursor = @@cursor_move
    pos = @scrollwindow.position
    dx = event.last_x - event.win_x
    dy = event.last_y - event.win_y
    if (dx != 0 or dy != 0) and !(dx == @dx and dy == @dy)
	pos[0] += dx
	pos[1] += dy
	@dx = dx
	@dy = dy
	@scrollwindow.setPosition(pos[0], pos[1])
	@canvas.repaint
    end
  elsif @mouseButton == LEFTBUTTON
    x = (event.last_x / @zoom).to_i
    y = (event.last_y / @zoom).to_i
    select_rectangle( @dx, @dy, x, y )
  else
    help_cb(server, sel, event)
  end
end

#mousewheel_cb(sender, sel, event) ⇒ Object

zoom in/out based on mousewheel, keeping position relative to cursor position



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# File 'lib/IFMapper/FXMap.rb', line 910

def mousewheel_cb(sender, sel, event)
  case event.code
  when -120   # Hmm, there does not seem to be constants for these
    zoom_out
    # @scrollwindow.setPosition( -x, -y )
  when 120    # Hmm, there does not seem to be constants for these
    # pos = @scrollwindow.position
    # w = @scrollwindow.maxChildWidth
    # h = @scrollwindow.maxChildHeight
    #p @scrollwindow.range
    # puts "pos: #{pos[0]} #{pos[1]}"
    # x = event.last_x
    # y = event.last_y
    # puts "event: #{x} #{y}"
    zoom_in
    # @scrollwindow.setPosition( -x, -y )
  end
end

#move_thru(idx) ⇒ Object

Move through an exit into another room. If exit is empty, create a new neighboring room.



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# File 'lib/IFMapper/FXMap.rb', line 1660

def move_thru(idx)
  room = current_room
  return if not room
  exit = room[idx]
  if exit
    room.selected = false
    if room == exit.roomA
	roomB = exit.roomB
	else
	roomB = exit.roomA
    end
    roomB.selected = true
    draw
  else
    return navigation_warning if @navigation
    x, y = room.x, room.y
    dx, dy = Room::DIR_TO_VECTOR[idx]
    x += dx
    y += dy
    x = 0 if x < 0
    y = 0 if y < 0
    x = @width-1  if x > @width-1
    y = @height-1 if y > @height-1
    if not @pmap.at(x).at(y).kind_of?(Room)
	room.selected = false
	roomB = new_xy_room(x * WW, y * HH)
	exitB = roomB.next_to?(room)
	if exitB and roomB.exits[exitB] == nil
 new_connection( roomB, exitB, room )
	end
	draw
    end
  end
end

#move_to(idx) ⇒ Object

Move selected rooms in one of the 8 cardinal directions.



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# File 'lib/IFMapper/FXMap.rb', line 1627

def move_to(idx)
  return navigation_warning if @navigation
  selection = @sections[@section].rooms.find_all { |r| r.selected }
  return if selection.empty?
  clean_room_selection(selection)


  dx, dy = Room::DIR_TO_VECTOR[idx]

  # Check that all nodes can be moved in the specified direction
  selection.each { |r|
    x = r.x + dx
    y = r.y + dy
    if x < 0 or y < 0 or x >= @width or y >= @height or
 @pmap.at(x).at(y).kind_of?(Room)
	store_room_selection(selection)
	dir = Room::DIRECTIONS[idx]
	status "#{ERR_CANNOT_MOVE_SELECTION} #{dir}."
	return
    end
  }
  selection.each { |r| 
    r.x += dx
    r.y += dy
  }
  update_exits(selection)
  draw
end

#navigation_warning ⇒ Object

Give user some warning if he tries to modify a read-only mode.



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# File 'lib/IFMapper/FXMap.rb', line 1618

def navigation_warning
  w = FXWarningBox.new(@window, ERR_READ_ONLY_MAP)
  w.execute
end

#new_complex_connection(x, y) ⇒ Object

Add a new complex connection (or its first point)



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# File 'lib/IFMapper/FXMap.rb', line 720

def new_complex_connection( x, y )
  exitA = get_quadrant(x, y)
  unless exitA
    raise "not a connection"
  end
  roomA, roomB, a, b = quadrant_to_rooms( exitA, x, y )
  unless a and roomA and roomA[exitA] == nil
    return
  end
  _new_complex_connection(roomA, exitA)
end

#new_room(x, y) ⇒ Object

Create a new room for the current section



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# File 'lib/IFMapper/FXMap.rb', line 406

def new_room(x, y)
  @modified = true
  r = @sections[@section].new_room(x, y)
  return r
end

#new_section ⇒ Object

Add a new section to map and make it current



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# File 'lib/IFMapper/FXMap.rb', line 126

def new_section
  return navigation_warning if @navigation
  @sections.push( FXSection.new )
  @section = @sections.size - 1
end

#new_xy_connection(x, y) ⇒ Object

Add a new room connection among contiguous rooms.



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# File 'lib/IFMapper/FXMap.rb', line 755

def new_xy_connection( x, y )
  exitA = get_quadrant(x, y)
  unless exitA
    raise "not a connection"
  end

  # Then, get rooms being connected
  roomA, roomB, a, b = quadrant_to_rooms( exitA, x, y )
  return unless a # User click outside map

  if @options['Create on Connection']
    roomA = new_xy_room( a[0], a[1] ) unless roomA
    roomB = new_xy_room( b[0], b[1] ) unless roomB
  end

  return nil unless roomA and roomB

  if roomA == roomB
    raise "error: same room connection"
  end

  @modified = true
  if roomA and exitA
    # get old connection
    if roomA[exitA]
	c = roomA[exitA]
	delete_connection(c) if c.roomB == nil
    end
    exitB = (exitA + 4) % 8
    if roomB[exitB]
	c = roomB[exitB]
	delete_connection(c) if c.roomB == nil
    end
  end
  begin
    new_connection( roomA, exitA, roomB )
  rescue Section::ConnectionError
  end
end

#new_xy_room(x, y) ⇒ Object

Function used to add a new room. x and y are absolute pixel positions in canvas.



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# File 'lib/IFMapper/FXMap.rb', line 416

def new_xy_room(x, y)
  x = x / WW
  y = y / HH
  r = new_room(x, y)
  @pmap[x][y] = r

  r.selected = true
  
  if @options['Edit on Creation']
     if not r.modal_properties(self)
@sections[@section].delete_room(r)
@pmap[x][y] = nil
return nil
     end
  end
  update_roomlist
  return r
end

#next_section ⇒ Object

Go to next section (if any)



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# File 'lib/IFMapper/FXMap.rb', line 90

def next_section
  self.section = @section + 1
  _changed
end

#num_sections ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 1003

def num_sections()
  return @sections.length
end

#path_find(c) ⇒ Object

Given a connection, create the path for it, if not a simple connection. Also, add the paths to pathmap.



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# File 'lib/IFMapper/FXMap.rb', line 266

def path_find(c)
  unless c.complex?
    c.pts = c.gpts = []
    c.failed = false
    return true
  end

  # Complex path... Generate points.
  a, b = c.room
  dirA, dirB = c.dirs
  raise "A connection not found #{c} at #{a}" unless dirA
  raise "B connection not found #{c} at #{b}" unless dirB

  vA = FXRoom::DIR_TO_VECTOR[dirA]
  vB = FXRoom::DIR_TO_VECTOR[dirB]

  pA = [ a.x + vA[0], a.y + vA[1] ]
  pB = [ b.x + vB[0], b.y + vB[1] ]

  c.gpts = []
  c.pts  = []

  # Check for the special case of looping path (path that begins and
  # returns to same exit)
  if a == b and dirA == dirB
    pt = a.corner(c, 1, dirA)
    n  = 1.0 / Math.sqrt(vA[0] * vA[0] + vA[1] * vA[1])
    vA = [ vA[0] * n, vA[1] * n ]
    c.pts.push( [ pt[0], pt[1] ] )
    pA = [ pt[0] + vA[0] * 20, pt[1] + vA[1] * 20 ]
    c.pts.push( [pA[0], pA[1]] )
    pB = [ pA[0] + vA[1] * 20, pA[1] - vA[0] * 20 ]
    c.pts.push( [pB[0], pB[1]] )
    pC = [ pB[0] - vA[0] * 20, pB[1] - vA[1] * 20 ]
    c.pts.push( [pC[0], pC[1]] )
    c.dir = Connection::AtoB
    return true
  end

  # Now check if start or goal are fully blocked. If so,
  # fail quickly
  if pA[0] < 0 or pA[0] >= @width or
	pB[0] < 0 or pB[0] >= @width or
	pA[1] < 0 or pA[1] >= @height or
	pB[1] < 0 or pB[1] >= @height or
	@pmap.at(pA[0]).at(pA[1]).kind_of?(Room) or 
	@pmap.at(pB[0]).at(pB[1]).kind_of?(Room)
    remove_connection(c)
    return false
  end

  if (pA[0] - pB[0]).abs > 30 or
	(pA[1] - pB[1]).abs > 30
    c.failed = true
    return
  end

  # No, okay, we need to do true A* path finding
  c.failed = false
  aStar    = AStar.new
  MapNode::map(@pmap)
  start    = MapNode.new( pA[0], pA[1] )
  goal     = MapNode.new( pB[0], pB[1] )
  aStar.goals( start, goal )
  while aStar.search_step == AStar::SEARCH_STATE_SEARCHING
  end

  # Oops, AStar failed.  Not a clean path
  if aStar.state == AStar::SEARCH_STATE_FAILED
    remove_connection(c)
    return false
  end

  # We succeeded.  Get the path
  c.failed = false
  c.gpts   = aStar.path
  # Put path in pathmap so subsequent paths will try to avoid crossing it.
  c.gpts.each { |p| @pmap[p[0]][p[1]] = c }

  # Okay, we have a valid path. 
  # Create real path in display coordinates now...
  # Start with a's corner
  pt = a.corner(c, 1, dirA)
  c.pts.push( [ pt[0], pt[1] ] )
  # Then, add each grid point we calculated
  c.gpts.each { |p| 
    x = p[0] * WW + WW / 2
    y = p[1] * HH + HH / 2
    c.pts.push([x, y])
  }
  # And end with b's corner
  pt = b.corner(c, 1, dirB)
  return c.pts.push([pt[0], pt[1]])
end

#pdf_draw_mapname(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 430

def pdf_draw_mapname( pdf, opts )
  return if not @name or @name == ''
  pdf.text( @name,
    :font_size => 24,
    :justification => :center
    )
end

#pdf_draw_sections(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 438

def pdf_draw_sections( pdf, opts )
  old_section = @section
  page        = -1
  @sections.each_with_index { |sect, idx|
    if page != sect.page
	page = sect.page
	pdf.start_new_page if page > 1
	pdf_draw_mapname( pdf, opts )
    end
    @section = idx
    # For each page, we need to regenerate the pathmap so that complex
    # paths will come out ok.
    create_pathmap
    # Now, we draw it
    sect.pdf_draw(pdf, opts, @name, pdflocationnos)
  }

  # Restore original viewing page
  @section = old_section
  create_pathmap
end

#pdf_export(pdffile = Dir::tmpdir + "/ifmap.pdf", printer = nil) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 461

def pdf_export(pdffile = Dir::tmpdir + "/ifmap.pdf", printer = nil)
  
  # PRE: Let's set the PDF paper size to user's choice
  paper = BOX_PDF_PAGE_SIZE_TEXT[pdfpapersize]
  if printer
    case printer.mediasize
    when FXPrinter::MEDIA_LETTER
	paper = 'LETTER'
    when FXPrinter::MEDIA_LEGAL
	paper = 'LEGAL'
    when FXPrinter::MEDIA_A4
	paper = 'A4'
    when FXPrinter::MEDIA_ENVELOPE
	paper = 'ENVELOPE'
    when FXPrinter::MEDIA_CUSTOM
	raise "Sorry, custom paper not supported"
    end
  end

  # Open a new PDF writer with paper selected
  # PRE: Let's also set the paper orientation based on user selection
  pdf = PDF::Writer.new :paper => paper

  pdf.margins_pt 0

  pdf_options = @options.dup

  ww = PDF_ROOM_WIDTH  + PDF_ROOM_WS
  hh = PDF_ROOM_HEIGHT + PDF_ROOM_HS

  pdf_options.merge!( 
       { 
	 'ww'       => ww,
	 'hh'       => hh,
	 'w'        => PDF_ROOM_WIDTH,
	 'h'        => PDF_ROOM_HEIGHT,
	 'ws'       => PDF_ROOM_WS,
	 'hs'       => PDF_ROOM_HS,
	 'ws_2'     => PDF_ROOM_WS / 2.0,
	 'hs_2'     => PDF_ROOM_HS / 2.0,
	 'margin'   => PDF_MARGIN,
	 'margin_2' => PDF_MARGIN / 2.0,
	 'width'    => (pdf.page_width / ww).to_i  - 1,
	 'height'   => (pdf.page_height / hh).to_i - 1,
       }
       )


  begin
    # See if it is possible to pack several map sections (sections) into
    # a single print page.
    num = pack_sections( pdf_options['width'] + 2, 
                         pdf_options['height'] + 2 )
    pdf_draw_sections(pdf, pdf_options)
    if pdffile !~ /\.pdf$/
	pdffile << ".pdf"
    end
    status "Exporting PDF file '#{pdffile}'"
    pdf.save_as(pdffile)
  rescue => e
    p e
    p e.backtrace
    raise e
  end
end

#previous_section ⇒ Object

Go to previous section (if any)



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# File 'lib/IFMapper/FXMap.rb', line 82

def previous_section
  self.section = @section - 1
  _changed
end

#print(printer) ⇒ Object

Print map



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# File 'lib/IFMapper/FXMap.rb', line 1969

def print(printer)
  # dc = FXDCPrint.new(@window.getApp)
  require 'IFMapper/MapPrinting'
  require 'IFMapper/FXDCPostscript'
  oldzoom = @zoom
  oldsection = @section
  self.zoom = 1.0

  num = pack_sections( @width, @height )
  begin
    dc = FXDCPostscript.new(@window.getApp)
    xmax = @width  * WW
    ymax = @height * HH
    dc.setContentRange(0, 0, xmax, ymax)
    dc.beginPrint(printer) {
	page = -1
	0.upto(@sections.size-1) { |p|
 self.section = p
 clear_selection
 if page != sect.page
   dc.beginPage(sect.page)
   draw_mapname( dc )
 end

 dc.lineCap = CAP_ROUND
 # draw_grid(dc)
 draw_connections(dc)
 draw_rooms(dc)

 if page != sect.page
   page = sect.page
   dc.endPage()
 end
	}
    }
  rescue => e
    status "#{e}"
  end
  self.section = oldsection
  self.zoom = oldzoom
  draw
end

#properties ⇒ Object

Open the map’s property window



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# File 'lib/IFMapper/FXMap.rb', line 2190

def properties
  if not @@win
    @@win = FXMapDialogBox.new(@window)
  end
  @@win.copy_from(self)
  @@win.show
end

#quadrant_to_rooms(q, x, y) ⇒ Object

Given an x,y absolute position corresponding to a connection, return connected rooms (if any).



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# File 'lib/IFMapper/FXMap.rb', line 666

def quadrant_to_rooms( q, x, y )
  maxX = @width  * WW
  maxY = @height * HH

  # First check if user tried adding a connection
  # at the edges of the map.  If so, return empty stuff.
  if  x < WS_2 or y < HS_2 or
	x > maxX - WS_2 or y > maxY - HS_2
    return [nil, nil, nil, nil]
  end

  x1 = x2 = x
  y1 = y2 = y

  case q
  when 0, 4
    y1 -= HS
    y2 += HS
  when 1, 5
    x1 -= WS
    x2 += WS
    y1 += HS
    y2 -= HS
  when 2, 6
    x1 -= WS
    x2 += WS
  when 3, 7 
    x1 -= WS
    y1 -= HS
    x2 += WS
    y2 += HS
  end

  case q
    when 0, 5, 6, 7
    x1, x2 = x2, x1
    y1, y2 = y2, y1
  end

  roomA = to_room(x1, y1)
  roomB = to_room(x2, y2)
  # Oops, user tried to create rooms where we already
  # have a complex connection.  Don't create anything, then.
  if roomA.kind_of?(Connection) or 
	(roomB.kind_of?(Connection) and not @complexConnection)
    return [roomA, roomB, nil, nil]
  end

  return [roomA, roomB, [x1, y1], [x2, y2]]
end

#remove_connection(c) ⇒ Object

Remove a connection from map, since path creation failed.



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# File 'lib/IFMapper/FXMap.rb', line 259

def remove_connection(c)
  c.failed = true
  status "#{ERR_PATH_FOR_CONNECTION} #{c} #{ERR_IS_BLOCKED}."
end

#rename_section ⇒ Object

Popup the section properties to allow renaming it



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# File 'lib/IFMapper/FXMap.rb', line 106

def rename_section
  @sections[@section].properties(self)
  self.modified = true
end

#rmb_click_cb(sender, sel, event) ⇒ Object

Handle right mouse button click



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# File 'lib/IFMapper/FXMap.rb', line 1114

def rmb_click_cb(sender, sel, event)
  rooms, links = get_selection

  menu = nil
  if not links.empty? and links.size == 1
    c = links[0]
    a = c.roomA
    b = c.roomB
    menu = FXMenuPane.new(@window)
    if c.dir == Connection::AtoB
	cmd = FXMenuCommand.new(menu, MENU_FLIP_DIRECTION)
	cmd.connect(SEL_COMMAND) { c.flip; draw }
	FXMenuSeparator.new(menu)
    end

    submenu = FXMenuPane.new(@window)
    old_idx = a.exits.index(c)
    0.upto(7) { |idx|
	rmb_link_menu( submenu, c, a, idx, old_idx )
    }
    FXMenuCascade.new(menu, a.name, nil, submenu)
    if b
	submenu = FXMenuPane.new(@window)
	old_idx = b.exits.rindex(c)
	0.upto(7) { |idx|
 rmb_link_menu( submenu, c, b, idx, old_idx )
	}
	FXMenuCascade.new(menu, b.name, nil, submenu)
    end
  end
  if menu
    menu.create
    menu.popup(nil, event.root_x, event.root_y)
    @window.getApp.runModalWhileShown(menu)
  end
end

#rmb_link_menu(submenu, c, room, idx, old_idx) ⇒ Object

Add a proper link submenu option for an exit



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# File 'lib/IFMapper/FXMap.rb', line 1087

def rmb_link_menu(submenu, c, room, idx, old_idx)
  return if room[idx] == c
  dir = Room::DIRECTIONS[idx]
  dir = dir.upcase
  if room[idx]
    cmd = FXMenuCommand.new(submenu, "#{MENU_SWITCH_WITH_LINK} #{dir}")
    cmd.connect(SEL_COMMAND) { 
	c2 = room[idx]
	room[old_idx] = c2
	room[idx] = c
	create_pathmap
	draw
    }
  else
    cmd = FXMenuCommand.new(submenu, "#{MENU_MOVE_LINK} #{dir}")
    cmd.connect(SEL_COMMAND) { 
	room[old_idx] = nil
	room[idx] = c
	create_pathmap
	draw
    }
  end
end

#save ⇒ Object

Save the map. If the map’s filename is not defined, call save_as



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# File 'lib/IFMapper/FXMap.rb', line 2098

def save
  unless @filename
    save_as
  else
    _save
  end
end

#save_as ⇒ Object

Save the map under a new filename, bringing up a file requester



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# File 'lib/IFMapper/FXMap.rb', line 2160

def save_as
  require 'IFMapper/FXMapFileDialog'
  file = FXMapFileDialog.new(@window, "#{MSG_SAVE_MAP} #{@name}",
	       FXMapFileDialog::KNOWN_SAVE_EXTENSIONS).filename
  if file != ''
    if File.exists?(file)
	dlg = FXWarningBox.new(@window, "#{file}\n#{WARN_OVERWRITE_MAP}")
	return if dlg.execute == 0
    end

    case file
    when /\.inform$/, /\.inf$/
	export_inform(file)
    when /\.ifm$/
	export_ifm(file)
    when /\.t$/
	export_tads(file)
    when /\.trizbort$/
      export_trizbort(file)
    else
	@filename = file
	return _save
    end
  end
  return false
end

#section=(x) ⇒ Object

Jump to a certain section #



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# File 'lib/IFMapper/FXMap.rb', line 72

def section=(x)
  clear_selection
  super
  @complexConnection = false
  _changed
end

#select_all ⇒ Object

Select all connections and rooms



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# File 'lib/IFMapper/FXMap.rb', line 135

def select_all
  sect = sections[section]
  sect.rooms.each { |r|
    r.selected = true
  }
  sect.connections.each { |c|
    c.selected = true
  }
  draw
end

#select_rectangle(x1, y1, x2, y2) ⇒ Object

Select all rooms and connections within (drag) rectangle



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# File 'lib/IFMapper/FXMap.rb', line 941

def select_rectangle(x1, y1, x2, y2)
  x1, x2 = x2, x1 if x2 < x1
  y1, y2 = y2, y1 if y2 < y1

  x = x1 * zoom
  y = y1 * zoom
  w = x2 - x1
  h = y2 - y1

  x1 = ((x1 + WS_2) / WW).floor
  y1 = ((y1 + HS_2) / HH).floor
  x2 = ((x2 - WS_2) / WW).ceil
  y2 = ((y2 - HS_2) / HH).ceil

  @sections[@section].rooms.each { |r|
    if r.x >= x1 and r.x <= x2 and
 r.y >= y1 and r.y <= y2
	r.selected = true
	r.update_properties(self)
    else
	r.selected = false
    end
  }

  @sections[@section].connections.each { |c|
    next if not c.roomB
    a = c.roomA
    b = c.roomB

    if (a.x >= x1 and a.x <= x2 and
 a.y >= y1 and a.y <= y2) or
 (b.x >= x1 and b.x <= x2 and
  b.y >= y1 and b.y <= y2)
	c.selected = true
	c.update_properties(self)
    else
	c.selected = false
    end
  }

  draw
  dc = FXDCWindow.new(@canvas)
  dc.function = BLT_NOT_SRC_XOR_DST 
  dc.drawRectangle(x, y, w * @zoom, h * @zoom)
  dc.end
end

#show_itemlist ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1562

def show_itemlist
  if @@itemlist
    @@itemlist.copy_from(self)
  else
    require 'IFMapper/FXItemList'
    @@itemlist = FXItemList.new(self)
  end
  @@itemlist.show
end

#show_roomlist ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1552

def show_roomlist
  if @@roomlist
    @@roomlist.copy_from(self)
  else
    require 'IFMapper/FXRoomList'
    @@roomlist = FXRoomList.new(self)
  end
  @@roomlist.show
end

#start_automap ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 2206

def start_automap
  if @automap
    stop_automap
  end
  require 'IFMapper/FXMapFileDialog'
  file = FXMapFileDialog.new(@window, MSG_LOAD_TRANSCRIPT, 
	       [
		 EXT_TRANSCRIPT,
		 EXT_ALL_FILES
	       ]).filename
  return if file == ''
  require 'IFMapper/TranscriptReader'

  begin
    @automap = TranscriptReader.new(self, file)
    @automap.properties(true)
    @automap.start
  rescue Errno::EACCES, Errno::ENOENT => e
    dlg = FXWarningBox.new(@window, "#{ERR_CANNOT_OPEN_TRANSCRIPT}\n#{e}")
    dlg.execute
    return
  rescue => e
    puts e.backtrace
    dlg = FXWarningBox.new(@window, "#{ERR_PARSE_TRANSCRIPT}\n#{e}\n#{e.backtrace}")
    dlg.execute
    raise
  end
  create_pathmap
  draw
  update_title
end

#status(msg) ⇒ Object

Spit out a new message to the status line.



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# File 'lib/IFMapper/FXMap.rb', line 822

def status(msg)
  mw  = @window.parent.parent
  statusbar = mw.children.find() { |x| x.kind_of?(FXStatusBar) }
  s = statusbar.statusLine
  s.normalText = s.text = msg
end

#stop_automap ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 2198

def stop_automap
  return unless @automap
  @automap.destroy
  @automap = nil
  GC.start
  update_title
end

#store_room_selection(selection) ⇒ Object

Given a selection of rooms, clear all of them from path map



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# File 'lib/IFMapper/FXMap.rb', line 1535

def store_room_selection(selection)
  selection.each { |r| 
    @pmap[r.x][r.y] = r
  }
  update_exits(selection)
end

#svg_draw_sections(opts, svgfile) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 931

def svg_draw_sections( opts, svgfile )
  if DEBUG_OUTPUT; puts "svg::FXMap::svg_draw_sections" end
  if DEBUG_OUTPUT; printf("svg::FXMap::svg_draw_sections:@section=%s\r\n", @section) end
    
  x = opts['name_x'] + opts['margin']
  y = opts['name_y'] + opts['margin']
  font_size = opts['name_font_size']
  
  svg = SVGUtilities::new_svg_doc(max_width(opts), total_height(opts))
  svg = SVGUtilities::add_compass(svg)    
  
  if opts['draw_interactive'] == true
    svg = SVGUtilities::svg_add_script(svg, opts)
  end
  
  svg, x, y = SVGUtilities::add_titles(svg, opts, x, y, font_size, @name, @creator)

  @sections.each_with_index { |sect, idx|

    @section = idx
    # For each page, we need to regenerate the pathmap so that complex
    # paths will come out ok.
    create_pathmap
    # Now, we draw it
    
    x, y = sect.svg_draw(svg, opts, x, y, @name, idx)
  
    y = y + (opts['hh'] * 2)

  }

  create_pathmap
  svg.root.attributes["height"] = y
  
  if svgfile !~ /\.svg$/
    svgfile << ".svg"
  end
  
  status "Exporting SVG file '#{svgfile}'"
  
  formatter = REXML::Formatters::Pretty.new(2)
  formatter.compact = true
  
  file = File.open(svgfile, "w")
    file.puts formatter.write(svg, "") 
  file.close
  
  status "Exporting SVG Completed"

end

#svg_draw_sections_separate(opts, svgfile) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 897

def svg_draw_sections_separate( opts, svgfile )

  @sections.each_with_index { |sect, idx|

    svgfilename = String::new(str=svgfile)

    @section = idx
    create_pathmap
    
    if DEBUG_OUTPUT; printf("svg_draw_sections_separate: filename = %s\r\n", svgfilename.to_s()) end
    
    # Remove .svg from end of filename if it is there.
    if svgfilename =~ /\.svg$/
      svgfilename = svgfilename[0..-5];
    end
    
    # Append the section number.
    svgfilename << "-section" << (idx + 1).to_s()
    
    if DEBUG_OUTPUT; printf("svg_draw_separate: filename = %s\r\n", svgfilename.to_s()) end
    
    # Add .svg back onto the end of the filename.
    svgfilename << ".svg"
        
    if DEBUG_OUTPUT; printf("svg_draw_separate: filename = %s\r\n", svgfilename.to_s()) end

    status "Exporting SVG file '#{svgfilename}'"

    sect.svg_draw_separate( opts, svgfilename, idx, @name, @creator)
  }
  
  status "Exporting SVG Completed"
end

#svg_export(svgfile, printer = nil) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 1007

def svg_export(svgfile, printer = nil)
  
  if DEBUG_OUTPUT; puts "svg::FXMap::svg_export" end

  map_options = @options.dup

  ww = SVG_ROOM_WIDTH  + SVG_ROOM_WS
  hh = SVG_ROOM_HEIGHT + SVG_ROOM_HS

  svg_options = { 
  'ww'                   => ww,
  'hh'                   => hh,
  'w'                    => SVG_ROOM_WIDTH,
  'h'                    => SVG_ROOM_HEIGHT,
  'ws'                   => SVG_ROOM_WS,
  'hs'                   => SVG_ROOM_HS,
  'ws_2'                 => SVG_ROOM_WS / 2.0,
  'hs_2'                 => SVG_ROOM_HS / 2.0,
  'margin'               => 10,
  'margin_2'             => 5,
#    'width'                => map_width,
#    'height'               => map_height,
  'text_max_chars'       => 20,
  'text_line_spacing'    => 2,
  'text_margin'          => 5,
  'room_line_width'      => 2,
  'room_line_colour'     => "black",
  'room_font_size'       => 8,
  'objects_font_size'    => 6,
  'objects_width'        => 140,
  'room_num_font_size'   => 6,
  'print_room_nums'      => true,
  'num_line_width'       => 1,
  'num_line_colour'      => "black",
  'num_fill_colour'      => "lightgreen",
  'conn_line_width'      => 2,
  'conn_line_colour'     => "black",
  'door_line_width'      => 2,
  'door_line_colour'     => "forestgreen",
  'arrow_line_width'     => 1,
  'arrow_line_colour'    => "black",
  'arrow_fill_colour'    => "black",
  'name_font_size'       => 18,
  'name_x'               => 0,
  'name_y'               => 0,
  'name_line_spacing'    => 4,
  'print_title'          => true,
  'print_creator'        => true,
  'print_date'           => true,
  'creator_prefix'       => "Creator: ",
  'date_prefix'          => "Date: ",
  'draw_interactive'     => true,
  'draw_roomnames'       => true,
  'draw_connections'     => true,
  'corner_size'          => 15,
  'corner_line_colour'   => "black",
  'corner_line_width'    => 1,
  'corner_fill_colour'   => "lightgreen",
  'objs_line_colour'     => "black",
  'objs_line_width'      => 1,
  'objs_fill_colour'     => "lightgreen",
  'print_section_names'  => true,
  'section_name_prefix'  => "Section: ",
  'split_sections'       => false,
  'draw_sectioncomments' => true,
  'compass_size'         => 3
  }

  svg_options.merge!(map_options)

  begin
    
    if svg_options['split_sections'] == false
      svg_draw_sections(svg_options, svgfile)
    else
      svg_draw_sections_separate(svg_options, svgfile)
    end
    
    rescue => e
    p e
    p e.backtrace
    raise e
  end
end

#to_object(x, y) ⇒ Object

Given a mouse click x/y position, return object(s) if any or nil



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# File 'lib/IFMapper/FXMap.rb', line 483

def to_object(x, y)

  exitA = get_quadrant(x, y)
  unless exitA
    # Not in arrow section, return element based on pmap
    # can be a room or complex arrow connection.
    xx = x / WW
    yy = y / HH
    return nil if xx >= @width or yy >= @height
    return @pmap.at(xx).at(yy)
  else
    # Possible arrow
    @sections[@section].connections.each { |c|
	a = c.roomA
	b = c.roomB
	next if not b and @complexConnection

	if c.gpts.size > 0
 2.times { |t|
   if t == 0
     r = a
     dir = r.exits.index(c)
   else
     r = b
     dir = r.exits.rindex(c)
   end
   next if not r
   x1, y1 = r.corner(c, 1, dir)
   v = FXRoom::DIR_TO_VECTOR[dir]
   x2 = x1 + v[0] * WS
   y2 = y1 + v[1] * HS
   if x1 == x2
     x1 -= W / 2
     x2 += W / 2
   end
   if y1 == y2
     y1 -= H / 2
     y2 += H / 2
   end
   x1, x2 = x2, x1 if x2 < x1
   y1, y2 = y2, y1 if y2 < y1
   
   if x >= x1 and x <= x2 and
y >= y1 and y < y2
     return c
   end
 }
	else
 x1, y1 = a.corner(c, 1, a.exits.index(c))
 if b
   x2, y2 = b.corner(c, 1, b.exits.rindex(c))
 else
   dir = a.exits.index(c)
   v = FXRoom::DIR_TO_VECTOR[dir]
   x2 = x1 + v[0] * WS
   y2 = y1 + v[1] * HS
 end

 x1, x2 = x2, x1 if x2 < x1
 y1, y2 = y2, y1 if y2 < y1
 if x1 == x2
   x1 -= W / 2
   x2 += W / 2
 end
 if y1 == y2
   y1 -= H / 2
   y2 += H / 2
 end
 if x >= x1 and x <= x2 and
     y >= y1 and y < y2
   return c
 end
	end
    }

    return nil
  end

  return nil
end

#to_room(x, y) ⇒ Object

Given an x and y canvas position, return room object, complex connection or nil



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# File 'lib/IFMapper/FXMap.rb', line 476

def to_room(x,y)
  xx = x / WW
  yy = y / HH
  return @pmap.at(xx).at(yy)
end

#tooltip_cb(sender, id, ptr) ⇒ Object

Based on mouse position on canvas, create a tooltip



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# File 'lib/IFMapper/FXMap.rb', line 863

def tooltip_cb(sender, id, ptr)
  if @zoom < 0.6 and @tooltip_msg != ''
    sender.text = @tooltip_msg.to_s
    sender.show
  else
    sender.hide
  end
end

#total_height(opts) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 994

def total_height(opts)
  total_height=0
  @sections.each_with_index{ |sect, idx|
    maxy = sect.svg_height(opts)
    total_height = total_height + maxy
  }
  return total_height
end

#update_exits(selection) ⇒ Object

Find and update all paths in path map for a room



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# File 'lib/IFMapper/FXMap.rb', line 1595

def update_exits(selection)
  create_pathmap
  @modified = true
end

#update_itemlist ⇒ Object 



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# File 'lib/IFMapper/FXMap.rb', line 1588

def update_itemlist
  @@itemlist.copy_from(self) if @@itemlist
end

#update_roomlist ⇒ Object

If roomlist window is present, update it



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# File 'lib/IFMapper/FXMap.rb', line 1583

def update_roomlist
  @@roomlist.copy_from(self) if @@roomlist
  @@win.copy_from(self)      if @@win
end

#update_title ⇒ Object

Update the map window’s title



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# File 'lib/IFMapper/FXMap.rb', line 567

def update_title
  title = @name.to_s.dup
  if @navigation
    title << "     #{TITLE_READ_ONLY}"
  end
  if @automap
    title << "     #{TITLE_AUTOMAP}"
  end
  title << "      #{TITLE_ZOOM} %.3f" % @zoom
  title << "      #{TITLE_SECTION} #{@section+1} #{TITLE_OF} #{@sections.size}"
  title << "      #{@sections[@section].name}"  
  @window.title = title
end

#zoom_in ⇒ Object

Self-explanatory.



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# File 'lib/IFMapper/FXMap.rb', line 815

def zoom_in
  if @zoom < 1.25
    self.zoom += 0.1
  end
end

#zoom_out ⇒ Object

Self-explanatory.



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# File 'lib/IFMapper/FXMap.rb', line 808

def zoom_out
  if @zoom > 0.1
    self.zoom -= 0.1
  end
end