Class: Room

Inherits:
Object
  • Object
show all
Defined in:
lib/IFMapper/Room.rb,
lib/IFMapper/locales/en/Messages.rb,
lib/IFMapper/locales/es/Messages.rb,
lib/IFMapper/locales/es/Messages_iso-8859-1.rb

Overview

Class used to represent a Room or Location in a Map.

Direct Known Subclasses

FXRoom

Constant Summary collapse

DIR_TO_VECTOR = 
{ 
  0 => [  0, -1 ],
  1 => [  1, -1 ],
  2 => [  1,  0 ],
  3 => [  1,  1 ],
  4 => [  0,  1 ],
  5 => [ -1,  1 ],
  6 => [ -1,  0 ],
  7 => [ -1, -1 ]
}
DIRECTIONS = 
[
  'n',
  'ne',
  'e',
  'se',
  's',
  'so',
  'o',
  'no',
]
DIRECTIONS_ENGLISH = 
[
  'n',
  'ne',
  'e',
  'se',
  's',
  'sw',
  'w',
  'nw',
]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, name = 'Room') ⇒ Room

Returns a new instance of Room.



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# File 'lib/IFMapper/Room.rb', line 143

def initialize(x, y, name = 'Room')
  @exits    = Array.new( DIRECTIONS.size )
  @darkness = false
  @name     = name
  @x = x
  @y = y

  @desc     = nil
  @objects  = ''
  @tasks = ''
  @comment = nil
end

Instance Attribute Details

#comment ⇒ Object

Room comment



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# File 'lib/IFMapper/Room.rb', line 13

def comment
  @comment
end

#darkness ⇒ Object

Isxxxxxxxxxx room in darkness?



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# File 'lib/IFMapper/Room.rb', line 10

def darkness
  @darkness
end

#desc ⇒ Object

Room description



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# File 'lib/IFMapper/Room.rb', line 12

def desc
  @desc
end

#exits ⇒ Object (readonly)

An array of 8 possible exits in room



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# File 'lib/IFMapper/Room.rb', line 9

def exits
  @exits
end

#name ⇒ Object

Name of room



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# File 'lib/IFMapper/Room.rb', line 6

def name
  @name
end

#objects ⇒ Object

Objects found in room



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# File 'lib/IFMapper/Room.rb', line 7

def objects
  @objects
end

#tasks ⇒ Object

Tasks that need to be performed in room



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# File 'lib/IFMapper/Room.rb', line 8

def tasks
  @tasks
end

#x ⇒ Object

Room location in grid



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# File 'lib/IFMapper/Room.rb', line 11

def x
  @x
end

#y ⇒ Object

Room location in grid



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# File 'lib/IFMapper/Room.rb', line 11

def y
  @y
end

Class Method Details

.vector_to_dir(dx, dy) ⇒ Object

Return a direction from the vector of the exit that would take us to the ‘b’ room more cleanly.



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

def self.vector_to_dir(dx, dy)
  if dx == 0
    return 4 if dy > 0
    return 0 if dy < 0
    raise "vector_to_dir: dx == 0 and dy == 0"
  elsif dx > 0
    return 1 if dy < 0
    return 2 if dy == 0
    return 3
  else
    return 7 if dy < 0
    return 6 if dy == 0
    return 5
  end
end

Instance Method Details

#[](dir) ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 51

def [](dir)
  return @exits[dir]
end

#[]=(dir, connection) ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 55

def []=(dir, connection)
  @exits[dir] = connection
end

#copy(b) ⇒ Object

Copy a room to another



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# File 'lib/IFMapper/Room.rb', line 134

def copy(b)
  @name     = b.name
  @objects  = b.objects
  @tasks    = b.tasks
  @darkness = b.darkness
  @desc     = b.desc
end

#exit_to(b) ⇒ Object

Given an ‘adjacent’ room, return the most direct exit from this room to room b.



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

def exit_to(b)
  dx = (b.x - @x)
  dy = (b.y - @y)
  return vector_to_dir(dx, dy)
end

#inspect ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 160

def inspect
  puts to_s
  puts "Exits:"
  @exits.each { |c|
    puts "\t#{c}" if c != nil
  }
end

#marshal_dump ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 47

def marshal_dump
  [ @name, @objects, @tasks, @exits, @darkness, @x, @y, @desc, @comment ]
end

#marshal_load(vars) ⇒ Object 



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

def marshal_load(vars)
  @name     = vars.shift
  @objects  = vars.shift
  @tasks    = vars.shift
  @exits    = vars.shift
  @darkness = vars.shift
  @x        = vars.shift
  @y        = vars.shift
  @desc     = nil
  @comment  = nil
  if not vars.empty? and vars[0].kind_of?(String)
    @desc     = vars.shift
    @desc.gsub!(/(\w)\s*\n/, '\1 ')
    @desc.sub!(/\n+$/, '')
    @desc.strip!
  end
  if not vars.empty? and vars[0].kind_of?(String)
    @comment = vars.shift
  end
end

#next_to?(b) ⇒ Boolean

Check if two rooms are next to each other. If so, return the exit that would take us from this room to the other. Otherwise, return nil

Returns:

  • (Boolean) 


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# File 'lib/IFMapper/Room.rb', line 115

def next_to?(b)
  if not b.kind_of?(Room)
    raise "next_to?(b): #{b} is not a room."
  end
  if self == b
    raise "next_to? comparing same room #{self}"
  end
  if b.x == @x and b.y == @y
    raise "#{self} and #{b} in same location."
  end
  dx = (b.x - @x)
  dy = (b.y - @y)
  return nil if dx.abs > 1 or dy.abs > 1
  return vector_to_dir(dx, dy)
end

#num_doors ⇒ Object

Return the number of doors present in room



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# File 'lib/IFMapper/Room.rb', line 62

def num_doors
  num = 0
  @exits.each { |e|
    next if not e
    num += 1 if e.door?
  }
  return num
end

#num_exits ⇒ Object

Return the number of exits present in room



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# File 'lib/IFMapper/Room.rb', line 74

def num_exits
  return @exits.nitems
end

#to_s ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 156

def to_s
  "\"#{@name}\""
end

#vector_to_dir(dx, dy) ⇒ Object 



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# File 'lib/IFMapper/Room.rb', line 98

def vector_to_dir(dx, dy)
  return Room::vector_to_dir( dx, dy )
end