Add some pre-made word lists; fix random-word history

Each RandomWord instance now shares its history with anything derived
from it (e.g. by getting the capitalized version of that instance).
This ensures that repetition doesn't occur.

src/game/creatures/withers.ts

@@ -6,6 +6,7 @@ import { VoreType, Stomach, Container } from '../vore'
 import { AttackAction, FeedAction } from '../combat/actions'
 import { TogetherCondition } from '../combat/conditions'
 import { InstantKill } from '../combat/effects'
+import * as Words from '../words'
 
 const huge = new RandomWord([
   new Adjective('massive'),
@@ -67,7 +68,7 @@ class DevourAllAction extends GroupAction {
 
   executeGroup (user: Creature, targets: Array<Creature>): LogEntry {
     return new LogLines(...targets.map(target => this.execute(user, target)).concat(
-      [new LogLine(`All ${targets.length} of them are ${user.kind} chow now`)]
+      [new LogLine(`${Words.SwallowSound.allCaps}! All ${targets.length} of them pour down ${user.name}'s ${Words.Slick} gullet; they're just ${user.kind.all} chow now`)]
     ))
   }
 

src/game/language.ts

@@ -67,6 +67,7 @@ export interface Pluralizable {
 interface WordOptions {
     plural: boolean;
     capital: boolean;
+    allCaps: boolean;
     proper: boolean;
     kind: NounKind;
     vowel: VowelSound;
@@ -74,6 +75,7 @@ interface WordOptions {
 }
 
 const emptyConfig: WordOptions = {
+  allCaps: false,
   capital: false,
   count: false,
   kind: NounKind.Specific,
@@ -117,6 +119,12 @@ export abstract class Word {
   // These functions are pure; they don't mutate the original object.
   // This is necessary to avoid causing chaos.
 
+  get allCaps (): this {
+    const opts: WordOptions = Object.assign({}, this.opt)
+    opts.allCaps = true
+    return this.configure(opts) as this
+  }
+
   get capital (): this {
     const opts: WordOptions = Object.assign({}, this.opt)
     opts.capital = true
@@ -167,15 +175,14 @@ export abstract class Word {
 }
 
 export class RandomWord extends Word {
-  private last: number
-
-  constructor (public choices: Array<Word>, opt: WordOptions = emptyConfig) {
+  private history: { last: number }
+  constructor (public choices: Array<Word>, opt: WordOptions = emptyConfig, history: { last: number } = { last: -1 }) {
     super(opt)
-    this.last = -1
+    this.history = history
   }
 
   configure (opts: WordOptions): Word {
-    return new RandomWord(this.choices, opts)
+    return new RandomWord(this.choices, opts, this.history)
   }
 
   toString (): string {
@@ -183,9 +190,9 @@ export class RandomWord extends Word {
 
     do {
       choice = Math.floor(Math.random() * this.choices.length)
-    } while (choice === this.last)
+    } while (choice === this.history.last)
 
-    this.last = choice
+    this.history.last = choice
     return this.choices[choice].configure(this.opt).toString()
   }
 }
@@ -234,7 +241,9 @@ export class Noun extends Word {
       }
     }
 
-    if (this.options.capital) {
+    if (this.options.allCaps) {
+      result = result.toUpperCase()
+    } else if (this.options.capital) {
       result = result.slice(0, 1).toUpperCase() + result.slice(1)
     }
 
@@ -243,14 +252,14 @@ export class Noun extends Word {
 }
 
 export class ImproperNoun extends Noun {
-  constructor (singularNoun: string, pluralNoun: string) {
-    super(singularNoun, pluralNoun, { plural: false, capital: false, proper: false, kind: NounKind.Specific, vowel: VowelSound.Default, count: true })
+  constructor (singularNoun: string, pluralNoun: string = singularNoun) {
+    super(singularNoun, pluralNoun, { plural: false, allCaps: false, capital: false, proper: false, kind: NounKind.Specific, vowel: VowelSound.Default, count: true })
   }
 }
 
 export class ProperNoun extends Noun {
   constructor (singularNoun: string) {
-    super(singularNoun, null, { plural: false, capital: false, proper: true, kind: NounKind.Specific, vowel: VowelSound.Default, count: true })
+    super(singularNoun, null, { plural: false, allCaps: false, capital: false, proper: true, kind: NounKind.Specific, vowel: VowelSound.Default, count: true })
   }
 }
 

src/game/words.ts

@@ -0,0 +1,14 @@
+import { RandomWord, ImproperNoun, Adjective } from './language'
+
+export const SwallowSound = new RandomWord([
+  new ImproperNoun('gulp'),
+  new ImproperNoun('glurk'),
+  new ImproperNoun('glrkh')
+]).all
+
+export const Slick = new RandomWord([
+  new Adjective('slick'),
+  new Adjective('slippery'),
+  new Adjective('slimy'),
+  new Adjective('glistening')
+])