1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
exit 1 if ARGV.empty?
$thingfactories = {}
$roomfactories = {}
$rooms = {}
class ThingFactory
def initialize(name, block)
@name = name
@properties = []
@energy = 0
self.instance_eval(&block)
end
def property(*strs)
strs.each do |str|
@properties << str
end
end
def energy(num)
@energy = num
end
def create
return Thing.new(@name, @properties, @energy)
end
attr_reader :name
end
class Thing
def initialize(name, properties, energy)
@name = name
@properties = properties
@energy = energy
end
def has_property(str)
return @properties.include?(str)
end
def method_missing(name)
if name.to_s =~ /^is_(.*)\?$/ then
has_property($1)
end
end
attr_reader :name
attr_accessor :energy
end
class RoomFactory
def initialize(block)
@description = ""
@properties = []
@inventory = []
@north = nil
@south = nil
@east = nil
@west = nil
self.instance_eval(&block)
end
def description(description)
@description = description
end
def property(str)
@properties << str
end
def inventory(*strs)
strs.each do |str|
@inventory << str
end
end
def north(str)
@north = str
end
def south(str)
@south = str
end
def east(str)
@east = str
end
def west(str)
@west = str
end
def create
return Room.new(@description, @properties, @inventory, @north, @south, @east, @west)
end
end
class Room
def initialize(description, properties, inventory, north, south, east, west)
@description = description
@properties = properties
@inventory = inventory
@north = north
@south = south
@east = east
@west = west
end
def reify!(roomhash)
t = []
@inventory.each do |str|
t << $thingfactories[str].create
end
@inventory = t
@north = roomhash[@north] unless @north.nil?
@south = roomhash[@south] unless @south.nil?
@east = roomhash[@east ] unless @east.nil?
@west = roomhash[@west ] unless @west.nil?
end
def take(thing)
matches = @inventory.select do |thg|
thg.name == thing
end
return @inventory.delete(matches[0])
end
def put(thing)
@inventory << thing
end
def has_property(str)
return @properties.include?(str)
end
def method_missing(name)
if name.to_s =~ /^is_(.*)\?$/ then
has_property($1)
end
end
attr_reader :description, :inventory, :north, :south, :east, :west
end
def room(name, &block)
factory = RoomFactory.new(block)
$roomfactories[name] = factory
end
def thing(name, &block)
factory = ThingFactory.new(name, block)
$thingfactories[name] = factory
end
def createRooms
$roomfactories.each do |name, factory|
$rooms[name] = factory.create
end
$rooms.each do |_, room|
room.reify!($rooms)
end
end
load ARGV.shift.strip
createRooms
puts "ERROR 1" unless $rooms["start"].east == $rooms["start"]
puts "ERROR 2" unless $rooms["another"].is_dark?
puts "ERROR 3" unless $rooms["another"].take("lamp").nil?
puts "ERROR 4" if $rooms["another"].take("apple").nil?
|