I'm in the process of writing my own Text Adventure/Interactive Fiction
engine/library and am now running into a bit of a problem attempting to
extend the parser.
On the implementation side (i e a game), this is how a game is initially
set up.
game = mid.Game{
Title: "Cloak of Darkness",
Author: "Roger Firth (implemented by Mark Bauermeister)",
Intro: `Hurrying through the rainswept November night, you're glad
to see the
bright lights of the Opera House.
It's surprising that there aren't more
people about but, hey, what do you expect in a cheap demo game...?`,
Goodbye: "See you later!",
MaxScore: 2,
Verbs: map[string]func(...string){
"drop": drop,
},
Synonyms: map[string][]string{
"drop": {"throw"},
},
}
Now on the engine/library side, standard verbs are currently hardcoded
inside the parser loop.
Ideally, I'd like to add them to the same "Verbs" map though.
Is there a straightforward way to include the contents of one map in
another?
Ideally, I'd like to have a "BuiltinVerbs" map and include it as such:
Verbs: map[string]func(...string){
BuiltinVerbs,
"drop": drop,
},
The parser currently looks like this and "g.Verbs" should eventually
contain both, the game designer's chosen verbs and (if so chosen) the
built-in verbs:
func (g *Game) Parse() {
reader := bufio.NewScanner(os.Stdin)
for {
fmt.Print(">>> ")
for reader.Scan() {
switch reader.Text() {
case "quit":
if len(g.Goodbye) != 0 {
fmt.Println(g.Goodbye)
} else {
fmt.Println("Goodbye!")
}
os.Exit(0)
default:
for n, c := range g.Verbs {
s := g._synonymize(reader.Text())
switch s {
case n:
c()
default:
fmt.Println("I beg your pardon?")
}
}
}
fmt.Print(">>> ")
}
}
}
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