Class: InformWriter

Inherits:
Object
  • Object
show all
Defined in:
lib/IFMapper/InformWriter.rb

Constant Summary collapse

DIRECTIONS = 
[
  'n_to',
  'ne_to',
  'e_to',
  'se_to',
  's_to',
  'sw_to',
  'w_to',
  'nw_to',
]
OTHERDIRS = 
[
  '',
  'u_to',
  'd_to',
  'in_to',
  'out_to',
]

Instance Method Summary collapse

Constructor Details

#initialize(map, fileroot) ⇒ InformWriter

Returns a new instance of InformWriter.



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# File 'lib/IFMapper/InformWriter.rb', line 355

def initialize(map, fileroot)
  @tags = {}
  @root = fileroot
  @base = File.basename(@root)
  @map = map

  keywords = [
    'doorway',
    'class',
    'include',
    'room',
    'has',
    'with',
    'description',
  ] + DIRECTIONS

  @keyword = /^(?:#{keywords.join('|')})$/i
  start
end

Instance Method Details

#door(e) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 166

def door(e)
  tag = get_door_tag(e)
  roomA = get_tag(e.roomA)
  roomB = get_tag(e.roomB)
  dirA  = e.roomA.exits.index(e)
  dirB  = e.roomB.exits.rindex(e)
  dirA  = Room::DIRECTIONS[dirA]
  dirB  = Room::DIRECTIONS[dirB]

  props = ''
  if e.type == Connection::LOCKED_DOOR
    props = "\n    has lockable locked"
  elsif e.type == Connection::CLOSED_DOOR
    props = "\n    has ~open"
  end

  if e.dir == Connection::BOTH
    found_in = "#{roomA} #{roomB}"
  elsif e.dir == Connection::AtoB
    found_in = roomA
  elsif e.dir == Connection::BtoA
    found_in = roomB
  end

  @f.puts <<"EOF"

! Door connecting #{e}
Doorway #{tag} "door"
  with name 'door',
  side1_to  #{roomA},
  side1_dir #{dirA}_to,
  side2_to  #{roomB},
  side2_dir #{dirB}_to,
  found_in  #{found_in}#{props};
EOF

end

#get_door_tag(e) ⇒ Object 



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

def get_door_tag(e)
  dirA  = e.roomA.exits.index(e)
  dirB  = e.roomB.exits.rindex(e)
  name  = Room::DIRECTIONS[dirA] + "_" + Room::DIRECTIONS[dirB]
  name << "_door"
  get_tag(e, name)
end

#get_tag(elem, name = elem.name) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 78

def get_tag(elem, name = elem.name)
  return @tags[elem] if @tags[elem]
  return new_tag(elem, name)
end

#inform_quote(text) ⇒ Object

Take a text and quote it for inform’s double-quote text areas.



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# File 'lib/IFMapper/InformWriter.rb', line 111

def inform_quote(text)
  str = text.dup

  # Take text from Unicode utf-8 to iso-8859-1
  if RUBY_VERSION < 1.9
    utf = Iconv.new( 'iso-8859-1', 'utf-8' )
    str = utf.iconv( str )
  else
    str = str.encode( 'utf-8', :invalid => :replace, 
                      :undef => :replace, :replace => '' )
  end

  # Quote special characters
  str.gsub!(/@/, '@@64')
  str.gsub!(/"/, '@@34')
  str.gsub!(/~/, '@@126')
  str.gsub!(/\\/, '@@92')
  str.gsub!(/\^/, '@@94')
  return str
end

#new_tag(elem, str) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 36

def new_tag(elem, str)
  tag = str.dup
  if RUBY_VERSION < 1.9
    utf = Iconv.new( 'iso-8859-1', 'utf-8' )
    tag = utf.iconv( tag )
  else
    tag = tag.encode( 'utf-8', :invalid => :replace, 
                      :undef => :replace, :replace => '' )
  end

  # Invalid tag characters, replaced with _
  tag.gsub!(/[\s"'\/\\\-&#\,.:;!\?\n\(\)]/,'_')
 
  tag.gsub!(/__/, '')                  # remove reduntant __ repetitions
  tag.sub!(/^([\d]+)_?(.*)/, '\2\1')   # No numbers allowed at start of tag
  tag.downcase!                        # All tags are lowercase

  

  tag = tag[0..31]                     # Max. 32 chars. in tag (inform limit)

  # tag cannot be keyword (Doorway, Room, Class, etc)
  if tag =~ @keyword
    tag << '1'
  end

  if @tags.values.include?(tag)
    idx  = 2
    root = tag[0..29]  # to leave room for number
    while @tags.values.include?(tag)
	tag = "#{root}#{idx}"
	idx += 1
    end
  end
  if elem.kind_of?(String)
    @tags[tag] = tag
  else
    @tags[elem] = tag
  end
  return tag
end

#objects(r) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 133

def objects(r)
  room = get_tag(r)
  objs = r.objects.split("\n")
  objs.each { |o|

    tag = new_tag(o, o)
    names = o.dup
    names.gsub!(/"/, '')      # remove any quotes
    names.gsub!(/'/, '^')     # change ' to ^ (inform convention)
    names.gsub!(/\b\w\b/, '') # remove single letter words
    names = names.split(' ')
    names = "'" + names.join("' '") + "'"

    name = inform_quote(o)

    classname = 'Object'

    # If name begins with uppercase, assume it is an NPC
    if name =~ /[A-Z]/
	classname = 'NPC'
    end

    @f.print <<"EOF"

#{classname} #{tag} "#{name}" #{room}
    with name #{names},
    description "#{name} is UNDER CONSTRUCTION.";
EOF
  }


end

#room(r) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 205

def room(r)
  tag = get_tag(r)
  name = inform_quote(r.name)
  @f.puts <<-"EOF"

!-------------------- #{r.name}
Room #{tag} "#{name}"
EOF

  @f.puts  "    with description"
  @f.print "             \"#{wrap_text(r.desc)}\""

  # Now, handle exits...
  r.exits.each_with_index { |e, dir|
    next if (not e) or e.stub? or e.type == Connection::SPECIAL
    if e.loop?
      text = e.exitAtext
      b    = e.roomB
    else
      if e.roomB == r
        next if e.dir == Connection::AtoB
        text = e.exitBtext 
        b    = e.roomA
      else
        next if e.dir == Connection::BtoA
        text = e.exitAtext
        b    = e.roomB
      end
    end
    @f.puts  ','
    @f.print '    '
    if text == 0
	@f.print "#{DIRECTIONS[dir]} "
    else
	@f.print "#{OTHERDIRS[text]} "
    end
    if e.type == Connection::CLOSED_DOOR or
 e.type == Connection::LOCKED_DOOR
	@f.print get_door_tag(e)
    else
	@f.print get_tag(b)
    end
  }
  if r.darkness
    @f.print "    has ~light"
  end
  @f.puts ";"

  objects(r)
end

#section(sect, idx) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 256

def section(sect, idx)
  @f = File.open("#@root-#{idx}.inf", "w")
  @f.puts '!' + '=' * 78
  @f.puts "! Section: #{sect.name} "
  @f.puts '!' + '=' * 78
  sect.rooms.each { |r|
    room(r)
  }

  @f.puts '!' + '-' * 78
  @f.puts '!  Doorways'
  @f.puts '!' + '-' * 78
  sect.connections.each { |e|
    next if (e.type != Connection::LOCKED_DOOR and
      e.type != Connection::CLOSED_DOOR)
    door(e)
  }
  @f.close
end

#start ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 276

def start
  @f = File.open("#@root.inf", "w")
  @f.puts '!' + '=' * 78
  story = @map.name
  story = 'Untitled' if story == ''
  today = Date.today
  serial = today.strftime("%y%m%d")
  @f.puts <<"EOF"
Constant Story "#{story}";
Constant Headline
         "^A game map done with IFMapper
          ^by #{@map.creator}.^";
Release 1; 
Serial "#{serial}"; ! #{Time.now}

! These constants are to make the game also potentially Glulx compatible
#ifndef WORDSIZE;
Constant TARGET_ZCODE;
Constant WORDSIZE 2;
#endif;

!Constant ZDEBUG;

Include "Parser";
Include "VerbLib";


EOF
  @f.puts '!' + '=' * 78
  @f.puts "! Object classes"
  @f.puts <<"EOF"

! We use Andrew MacKinnon's EasyDoors for our doors.
Include "easydoors";

! We define a class for NPC (non-player characters)
class   NPC
has   animate;

EOF

  @f.puts '!' + '=' * 78
  @f.puts "! Map sections"
  @map.sections.each_index { |idx|
    @f.puts "#include \"#@base-#{idx}.inf\";"
  }

  start_location = ''
  if @map.sections.size > 0 and @map.sections[0].rooms[0]
    r   = @map.sections[0].rooms[0]
    tag = get_tag(r)
    start_location = "location = #{tag}"
  end

  @f.puts <<"EOF";

  @f.puts <<"EOF"
!============================================================================
! Standard and extended grammar

Include "Grammar";
EOF

  @f.close

  @map.sections.each_with_index { |sect, idx|
    section(sect, idx)
  }
end

#wrap_text(text, width = 65, indent = 79 - width) ⇒ Object 



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# File 'lib/IFMapper/InformWriter.rb', line 84

def wrap_text(text, width = 65, indent = 79 - width)
  return 'UNDER CONSTRUCTION' unless text
  str = inform_quote( text )

  if text.size > width
    r   = ''
    while str
	if str.size >= width
 idx = str.rindex(/[ -]/, width)
 idx = str.size unless idx
	else
 idx = str.size
	end
	r << str[0..idx]
	str = str[idx+1..-1]
	r << "\n" << ' ' * indent if str
    end
    return r
  else
    return str
  end
end