scenarios.js

   1 /* The person who associated a work with this deed has dedicated the
   2    work to the public domain by waiving all of his or her rights to
   3    the work worldwide under copyright law, including all related and
   4    neighboring rights, to the extent allowed by law.
   5
   6    You can copy, modify, distribute and perform the work, even for
   7    commercial purposes, all without asking permission.
   8
   9    See https://creativecommons.org/publicdomain/zero/1.0/ for details.
  10 */
  11
  12 "use strict";
  13
  14 var EVENTS = [
  15     { name: "The Greenskins are mobilized.",
  16       effect: "Greenskins gain a bonus of +1 Strength." },
  17     { name: "Big eye is watching you.",
  18       effect: "Bubbleyes gain a bonus of +1 Strength.",
  19       requires: ["bubbleyes"] },
  20     { name: "General invocation.",
  21       effect: "Demons gain a bonus of +1 Strength.",
  22       requires: ["demons"] },
  23     { name: "Stronger than ever.",
  24       effect: "Undead gain a bonus of +1 Strength.",
  25       requires: ["undead"] },
  26     { name: "Meeting with Abunakkashi.",
  27       effect: "Abunakkashii and his Offspring gain a bonus of +2 Strength.",
  28       requires: ["abunakkashii"],
  29       unique: true },
  30     { name: "The start of a legend.",
  31       effect: "Abunakkashii and his Offspring gain a bonus of +1 Strength.",
  32       requires: ["abunakkashii"],
  33       unique: true },
  34     { name: "Technological prowess.",
  35       effect: "Traps gain a bonus of +1 Strength.",
  36       requires: ["traps"] },
  37
  38     { name: "Mental combat.",
  39       effect: "Psi monsters gain a bonus of +1 Strength.", },
  40     { name: "A cry in the night.",
  41       action: "An adventurer of your choice loses 1 Mana." },
  42     { name: "Vague psi.",
  43       action: "Lose all your Mana tokens." },
  44     { name: "It's an ambush!",
  45       action: "Place a Tenacity token on each monster that does not have one." },
  46     { name: "The alarm is sounded.",
  47       action: "Place a Tenacity token on the weakest monster or monsters that do not already have one." },
  48     { name: "Flank attack.",
  49       effect: "Cards on either side corridor gain a bonus of +1 Strength.",
  50       unique: true },
  51     { name: "Battle formation.",
  52       effect: "Cards in the central corridor(s) gain a bonus of +1 Strength.",
  53       unique: true },
  54     { name: "Last bastion.",
  55       effect: "All cards gain a bonus of +1 Strength.",
  56       unique: true },
  57
  58     { name: "Destruction.",
  59       action: "All equipment and items are destroyed.",
  60       unique: true },
  61     { name: "Epic combat.",
  62       effect: "The Final Monster gains a bonus of +3 Strength.",
  63       unique: true },
  64     { name: "Red herring.",
  65       action: "Shuffle the remaining corridors together and redistribute the cards as if you were setting up the game." },
  66     { name: "The torch has gone out.",
  67       action: "The next dungeon card is placed face-down.", },
  68
  69     { name: "Anti-psi zone.",
  70       effect: "You do not gain Mana tokens for the next three creatures you defeat, even if they have a Mana icon.",
  71       unique: true },
  72
  73     { name: "Necromancy.",
  74       action: "Return a random defeated dungeon card to the lowest corridor and shuffle it." },
  75     { name: "Reanimation.",
  76       action: "Return a random defeated dungeon card to the highest corridor and shuffle it." },
  77
  78     { name: "Malediction.",
  79       action: "Discard a quest or a magic item." },
  80
  81     { name: "False brethren.",
  82       effect: "All Demons gain Immunity 5 and Immunity 7.",
  83       requires: ["demons"],
  84       unique: true },
  85
  86     { name: "Psi assault.",
  87       effect: "You cannot use ultimate powers.",
  88       unique: true },
  89 /*  TODO: Figure out how to implement this well.
  90     { name: "Entering an anti-magic zone.",
  91       effect: "You cannot use ultimate powers.",
  92       unique: true,
  93       duration: 3,
  94       later: { name: "Leaving the anti-magic zone.",
  95                effect: "You may use ultimate powers again." }
  96     },
  97 */
  98     // Events from Sean Allen's random scenario generator.
  99     // http://boardgamegeek.com/filepage/57107/random-scenario-generator
 100     { name: "Fire from above.",
 101       effect: "Dragons gain a bonus of +1 Strength.",
 102       requires: ["dragons", "noncanonical"],
 103       unique: true },
 104     { name: "Overwhelming fear.",
 105       action: "Lose 1 extra Courage token. (The dungeon does not gain another Fear token.)",
 106       requires: ["noncanonical"],
 107       unique: true },
 108     { name: "Backs against the wall.",
 109       effect: "Any monster with a Tenacity token is also <strong>Fierce</strong>.",
 110       requires: ["noncanonical"],
 111       unique: true },
 112     { name: "The tide has turned.",
 113       effect: "All monsters have <strong>Supremacy</strong>.",
 114       requires: ["noncanonical"],
 115       unique: true },
 116     { name: "Lost.",
 117       action: "Shuffle the remaining corridors together and redistribute the cards as if you were setting up the game.",
 118       requires: ["noncanonical"] },
 119     { name: "Into the darkness.",
 120       effect: "Choose one corridor. Its cards are now always placed face-down.",
 121       requires: ["noncanonical"] },
 122
 123     // Events of my own devising.
 124     { name: "Unwanted attention.",
 125       effect: "Unique monsters gain a bonus of +1 Strength.",
 126       requires: ["noncanonical"],
 127       unique: true },
 128     { name: "Spiked the punch.",
 129       effect: "Greenskins have 1d8 Strength.",
 130       requires: ["noncanonical"],
 131       unique: true },
 132     { name: "Twisty passages.",
 133       effect: "After defeating a card, roll a die. On an odd number its replacement is placed face-down.",
 134       requires: ["noncanonical"],
 135       unique: true },
 136     { name: "Closer than you think.",
 137       action: "The dungeon gains another Fear token, and a new event occurs.",
 138       requires: ["noncanonical"],
 139       another: true, unique: true },
 140     { name: "I thought you had it.",
 141       action: "Randomly discard four of your defeated dungeon cards.",
 142       requires: ["noncanonical"] },
 143     { name: "Adamantine armor.",
 144       effect: "All monsters gain <strong>Immunity&nbsp;1</strong>.",
 145       requires: ["noncanonical"],
 146       unique: true },
 147     { name: "Normative assumptions.",
 148       effect: "Effects concerning ♂ instead concern ♀, and vice versa.",
 149       requires: ["noncanonical"],
 150       unique: true },
 151     { name: "Infighting.",
 152       effect: "Greenskins have <strong>Undead&nbsp;+1</strong>, <strong>Demons&nbsp;-1</strong>. Demons have <strong>Greenskins&nbsp;+1</strong>, <strong>Undead&nbsp;-1</strong>. Undead have <strong>Demons&nbsp;+1</strong>, <strong>Greenskins&nbsp;-1</strong>.",
 153       requires: ["noncanonical"],
 154       unique: true },
 155     { name: "New moon.",
 156       effect: "Demons have <strong>Veil of Shadow</strong>.",
 157       requires: ["noncanonical", "demons"],
 158       unique: true },
 159     { name: "Camouflage.",
 160       effect: "Greenskins have <strong>Veil of Shadow</strong>.",
 161       requires: ["noncanonical"],
 162       unique: true },
 163     { name: "Cryptic shades.",
 164       effect: "Undead have <strong>Veil of Shadow</strong>.",
 165       requires: ["noncanonical", "undead"],
 166       unique: true },
 167     { name: "Lingering smoke.",
 168       effect: "Dragons have <strong>Veil of Shadow</strong>.",
 169       requires: ["noncanonical", "dragons"],
 170       unique: true },
 171     { name: "Hypnotizing gaze.",
 172       effect: "Bubbleyes have <strong>Veil of Shadow</strong>.",
 173       requires: ["noncanonical", "bubbleyes"],
 174       unique: true },
 175     { name: "Leeched power.",
 176       action: "A random adventurer loses a Mana token.",
 177       requires: ["noncanonical"] },
 178
 179 ];
 180
 181 var NOP = [
 182     { name: "Nothing happens." },
 183     { name: "A draft blows down the hallway.",
 184       requires: ["noncanonical"] },
 185     { name: "You sneeze.",
 186       requires: ["noncanonical"] },
 187     { name: "There's a skittering in the distance.",
 188       requires: ["noncanonical"] },
 189 ];
 190
 191 var HELPFUL = [
 192     { name: "It cuts both ways.",
 193       action: "Next time you roll a 1, put a Tenacity token on all face-up monsters and roll again.",
 194       requires: ["helpful"] },
 195     { name: "Breached their defense.",
 196       action: "Gain 2 Courage tokens and the dungeon gains 1 Fear token and the Fate Chart advances; <em>or</em> gain 1 Mana token.",
 197       requires: ["helpful"], unique: true },
 198     { name: "Mana ritual.",
 199       action: "Discard up to 2 Mana tokens. For each one discarded, gain 1 Courage token.",
 200       requires: ["helpful"] }
 201 ];
 202
 203 var LOSE = { name: "Your adventuring party is defeated!" };
 204
 205 function randrange (a, b) {
 206     return a + (Math.random() * (b - a)) | 0;
 207 }
 208
 209 function generate (flags, events, nop) {
 210     var chosen = [];
 211     var i;
 212
 213     function canStillHappen (event) {
 214         return issubset(event.requires || [], flags)
 215             && !(event.unique && contains.call(chosen, event));
 216     }
 217
 218     for (i = 0; i < events; ++i)
 219         chosen.push(choice(EVENTS.filter(canStillHappen)));
 220
 221
 222     for (i = 0; i < nop / 2; ++i) {
 223         var helpful = HELPFUL.filter(canStillHappen);
 224         var neutral = NOP.filter(canStillHappen);
 225         chosen.splice(
 226             randrange(0, chosen.length), 0,
 227             choice(helpful.length ? helpful : neutral));
 228
 229     }
 230     for (;i < nop; ++i) {
 231         var neutral = NOP.filter(canStillHappen);
 232         chosen.splice(randrange(0, chosen.length), 0, choice(neutral));
 233
 234     }
 235
 236     chosen.push(LOSE);
 237     return chosen;
 238 }
 239
 240 function toHTML (event) {
 241     return ["<span class=fate-name>" + event.name + "</span>",
 242             event.action
 243             ? "<span class=fate-action>" + event.action + "</span>"
 244             : "",
 245             event.effect
 246             ? "<span class=fate-effect>" + event.effect + "</span>"
 247             : "",
 248         ].join(" ");
 249 }
 250
 251 var THEME = ("h1 { color: hsl(XXX, 25%, 75%); }\n\
 252 h2, .button, select { border-color: hsl(XXX, 30%, 85%); }\n\
 253 \n\
 254 a:link, a:visited, a:active {\n\
 255     color: hsl(XXX, 25%, 50%);\n\
 256 }\n\
 257 \n\
 258 select, .button, tbody tr:nth-last-child(odd) {\n\
 259     background-color: hsl(XXX, 30%, 85%);\n\
 260 }\n\
 261 \n\
 262 h1,\n\
 263 select:hover, select:focus,\n\
 264 .button:hover, .button:focus {\n\
 265     border-color: hsl(XXX, 25%, 50%);\n\
 266 }");
 267
 268 function randomizeName () {
 269     var name = generateName();
 270     document.getElementById("name").textContent = name;
 271     document.title = document.title.replace(/[^-]*-/, name + " -");
 272     document.head.lastChild.textContent = THEME.replace(
 273         /XXX/g, (Math.random() * 256) | 0);
 274 }
 275
 276 var events = [];
 277 var style;
 278
 279 function generateScenario () {
 280     var parts = location.hash.slice(1).split(',');
 281     events = generate(parts, parts.shift() | 0, parts.shift() | 0);
 282     style = document.createElement("style");
 283     document.head.appendChild(style);
 284     randomizeName();
 285 }
 286
 287 function getEvents (matcher) {
 288     return EVENTS.filter(matcher);
 289 }
 290
 291 function wrapRow (row) {
 292     return "<tr><td>" + row + "</td></tr>";
 293 }
 294
 295 function iscanonical (event) {
 296     return !isnoncanonical(event);
 297 }
 298 function isnoncanonical (event) {
 299     return ~(event.requires || []).indexOf('noncanonical');
 300 }
 301
 302 function canonicalToHTML (sender) {
 303     sender.innerHTML = EVENTS.filter(iscanonical)
 304         .map(toHTML).sort().map(wrapRow).join('');
 305 }
 306
 307 function noncanonicalToHTML (sender) {
 308     sender.innerHTML = EVENTS.filter(isnoncanonical)
 309         .map(toHTML).sort().map(wrapRow).join('');
 310 }
 311
 312 function nextEvent (sender) {
 313     if (!events.length) {
 314         location.reload();
 315         return;
 316     }
 317
 318     var event = events.shift();
 319     var body = document.querySelector("#fate tbody");
 320     var fate = body.children.length + 1;
 321     var tr = document.createElement('tr');
 322     tr.innerHTML = "<td><div>" + fate + "</div></td>"
 323         + "<td><div>" + toHTML(event) + "</div></td>";
 324     body.insertBefore(tr, body.firstChild);
 325
 326     if (events.length === 0) {
 327         sender.textContent = "Try Again ▲";
 328     }
 329
 330     if (event.another)
 331         setTimeout(function () { nextEvent(sender); }, 333);
 332 }