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: "Technological prowess.",
  31       effect: "Traps gain a bonus of +1 Strength.",
  32       requires: ["traps"] },
  33
  34     { name: "Mental combat.",
  35       effect: "Psi monsters gain a bonus of +1 Strength.", },
  36     { name: "A cry in the night.",
  37       action: "An adventurer of your choice loses 1 Mana." },
  38     { name: "It's an ambush!",
  39       action: "Place a Tenacity token on each monster that does not have one." },
  40     { name: "The alarm is sounded.",
  41       action: "Place a Tenacity token on the weakest monster or monsters that do not already have one." },
  42     { name: "Flank attack.",
  43       effect: "Cards on either side corridor gain a bonus of +1 Strength.",
  44       unique: true },
  45     { name: "Battle formation.",
  46       effect: "Cards in the central corridor(s) gain a bonus of +1 Strength.",
  47       unique: true },
  48     { name: "Last bastion.",
  49       effect: "All cards gain a bonus of +1 Strength.",
  50       unique: true },
  51
  52     { name: "Destruction.",
  53       action: "All equipment and items are destroyed.",
  54       unique: true },
  55     { name: "Epic combat.",
  56       effect: "The Final Monster gains a bonus of +3 Strength.",
  57       unique: true },
  58     { name: "Red herring.",
  59       action: "Shuffle the remaining corridors together and redistribute the cards as if you were setting up the game." },
  60
  61     // Events from Sean Allen's random scenario generator.
  62     // http://boardgamegeek.com/filepage/57107/random-scenario-generator
  63     { name: "Fire from above.",
  64       effect: "Dragons gain a bonus of +1 Strength.",
  65       requires: ["dragons", "noncanonical"],
  66       unique: true },
  67     { name: "Bad dreams.",
  68       action: "Lose 1 extra Courage token. (The dungeon does not gain another Fear token.)",
  69       requires: ["noncanonical"],
  70       unique: true },
  71     { name: "Backs against the wall.",
  72       effect: "Any monster with a Tenacity token is also <strong>Fierce</strong>.",
  73       requires: ["noncanonical"],
  74       unique: true },
  75     { name: "Surrounded.",
  76       effect: "All monsters have <strong>Supremacy</strong>.",
  77       requires: ["noncanonical"],
  78       unique: true },
  79     { name: "The torch has gone out.",
  80       action: "The next dungeon card is placed face-down.", },
  81
  82     // Events from Stephane Renard's scenario.
  83     // http://docfox.free.fr/spip.php?article129
  84     { name: "Malediction.",
  85       action: "Discard all quests.",
  86       requires: ["noncanonical"],
  87       unique: true },
  88     { name: "Reanimation.",
  89       action: "Return a random spent dungeon card to the smallest corridor and shuffle it. (If you haven't spent any cards, nothing happens.)",
  90       requires: ["noncanonical"] },
  91     { name: "Zone of silence.",
  92       effect: "Temporary and Ultimate Powers cannot be used until you reveal a new card.",
  93       requires: ["noncanonical"] },
  94
  95     // Events of my own devising.
  96     { name: "Unwanted attention.",
  97       effect: "Unique monsters gain a bonus of +1 Strength.",
  98       requires: ["noncanonical"],
  99       unique: true },
 100     { name: "Spiked the punch.",
 101       effect: "Greenskins have 1d8 Strength.",
 102       requires: ["noncanonical"],
 103       unique: true },
 104     { name: "Lost in the fog.",
 105       effect: "After defeating a card, roll a die. On an odd number its replacement is placed face-down.",
 106       requires: ["noncanonical"],
 107       unique: true },
 108     { name: "Closer than you think.",
 109       action: "The dungeon gains another Fear token, and a new event occurs.",
 110       requires: ["noncanonical"],
 111       another: true, unique: true },
 112     { name: "I thought you had it.",
 113       action: "Randomly discard four of your defeated dungeon cards.",
 114       requires: ["noncanonical"] },
 115     { name: "Adamantine armor.",
 116       effect: "All monsters gain <strong>Immunity&nbsp;1</strong>.",
 117       requires: ["noncanonical"],
 118       unique: true },
 119     { name: "Normative assumptions.",
 120       effect: "Effects concerning ♂ instead concern ♀, and vice versa.",
 121       requires: ["noncanonical"],
 122       unique: true },
 123     { name: "Infighting.",
 124       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>.",
 125       requires: ["noncanonical"],
 126       unique: true },
 127     { name: "New moon.",
 128       effect: "Demons have <strong>Veil of Shadow</strong>.",
 129       requires: ["noncanonical", "demons"],
 130       unique: true },
 131     { name: "Camouflage.",
 132       effect: "Greenskins have <strong>Veil of Shadow</strong>.",
 133       requires: ["noncanonical"],
 134       unique: true },
 135     { name: "Cryptic shades.",
 136       effect: "Undead have <strong>Veil of Shadow</strong>.",
 137       requires: ["noncanonical", "undead"],
 138       unique: true },
 139     { name: "Lingering smoke.",
 140       effect: "Dragons have <strong>Veil of Shadow</strong>.",
 141       requires: ["noncanonical", "dragons"],
 142       unique: true },
 143     { name: "Hypnotizing gaze.",
 144       effect: "Bubbleyes have <strong>Veil of Shadow</strong>.",
 145       requires: ["noncanonical", "bubbleyes"],
 146       unique: true },
 147
 148 ];
 149
 150 var NOTHING = { name: "Nothing happens." };
 151 var LOSE = { name: "Your adventuring party is defeated!" };
 152
 153 function randrange (a, b) {
 154     return a + (Math.random() * (b - a)) | 0;
 155 }
 156
 157 function generate (flags, events, nop) {
 158     var chosen = [];
 159     var i;
 160
 161     function canStillHappen (event) {
 162         return issubset(event.requires || [], flags)
 163             && !(event.unique && contains.call(chosen, event));
 164     }
 165
 166     for (i = 0; i < events; ++i)
 167         chosen.push(choice(EVENTS.filter(canStillHappen)));
 168
 169     for (i = 0; i < nop; ++i)
 170         chosen.splice(randrange(0, chosen.length), 0, NOTHING);
 171
 172     chosen.push(LOSE);
 173     return chosen;
 174 }
 175
 176 function toHTML (event) {
 177     return ["<span class=fate-name>" + event.name + "</span>",
 178             event.action
 179             ? "<span class=fate-action>" + event.action + "</span>"
 180             : "",
 181             event.effect
 182             ? "<span class=fate-effect>" + event.effect + "</span>"
 183             : "",
 184         ].join(" ");
 185 }
 186
 187 var THEME = ("h1 { color: hsl(XXX, 25%, 75%); }\n\
 188 h2, .button, select { border-color: hsl(XXX, 30%, 85%); }\n\
 189 \n\
 190 a:link, a:visited, a:active {\n\
 191     color: hsl(XXX, 25%, 50%);\n\
 192 }\n\
 193 \n\
 194 select, .button, tbody tr:nth-last-child(odd) {\n\
 195     background-color: hsl(XXX, 30%, 85%);\n\
 196 }\n\
 197 \n\
 198 h1,\n\
 199 select:hover, select:focus,\n\
 200 .button:hover, .button:focus {\n\
 201     border-color: hsl(XXX, 25%, 50%);\n\
 202 }");
 203
 204 function randomizeName () {
 205     var name = generateName();
 206     document.getElementById("name").textContent = name;
 207     document.title = document.title.replace(/[^-]*-/, name + " -");
 208     document.head.lastChild.textContent = THEME.replace(
 209         /XXX/g, (Math.random() * 256) | 0);
 210 }
 211
 212 var events = [];
 213 var style;
 214
 215 function generateScenario () {
 216     var parts = location.hash.slice(1).split(',');
 217     events = generate(parts, parts.shift() | 0, parts.shift() | 0);
 218     style = document.createElement("style");
 219     document.head.appendChild(style);
 220     randomizeName();
 221 }
 222
 223 function getEvents (matcher) {
 224     return EVENTS.filter(matcher);
 225 }
 226
 227 function wrapRow (row) {
 228     return "<tr><td>" + row + "</td></tr>";
 229 }
 230
 231 function iscanonical (event) {
 232     return !isnoncanonical(event);
 233 }
 234 function isnoncanonical (event) {
 235     return ~(event.requires || []).indexOf('noncanonical');
 236 }
 237
 238 function canonicalToHTML (sender) {
 239     sender.innerHTML = EVENTS.filter(iscanonical)
 240         .map(toHTML).sort().map(wrapRow).join('');
 241 }
 242
 243 function noncanonicalToHTML (sender) {
 244     sender.innerHTML = EVENTS.filter(isnoncanonical)
 245         .map(toHTML).sort().map(wrapRow).join('');
 246 }
 247
 248 function nextEvent (sender) {
 249     if (!events.length) {
 250         location.reload();
 251         return;
 252     }
 253
 254     var event = events.shift();
 255     var body = document.querySelector("#fate tbody");
 256     var fate = body.children.length + 1;
 257     var tr = document.createElement('tr');
 258     tr.innerHTML = "<td><div>" + fate + "</div></td>"
 259         + "<td><div>" + toHTML(event) + "</div></td>";
 260     body.insertBefore(tr, body.firstChild);
 261
 262     if (events.length === 0) {
 263         sender.textContent = "Try Again ▲";
 264     }
 265
 266     if (event.another)
 267         setTimeout(function () { nextEvent(sender); }, 333);
 268 }