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
  80     // Events from Stephane Renard's scenario.
  81     // http://docfox.free.fr/spip.php?article129
  82     { name: "What was that?",
  83       action: "The next dungeon card is placed face-down.",
  84       requires: ["noncanonical"] },
  85     { name: "Malediction.",
  86       action: "Discard all quests.",
  87       requires: ["noncanonical"],
  88       unique: true },
  89     { name: "Reanimation.",
  90       action: "Return a random spent dungeon card to the smallest corridor and shuffle it. (If you haven't spent any cards, nothing happens.)",
  91       requires: ["noncanonical"] },
  92     { name: "Zone of silence.",
  93       effect: "Temporary and Ultimate Powers cannot be used until you reveal a new card.",
  94       requires: ["noncanonical"] },
  95
  96     // Events of my own devising.
  97     { name: "Unwanted attention.",
  98       effect: "Unique monsters gain a bonus of +1 Strength.",
  99       requires: ["noncanonical"],
 100       unique: true },
 101     { name: "Spiked the punch.",
 102       effect: "Greenskins have 1d8 Strength.",
 103       requires: ["noncanonical"],
 104       unique: true },
 105     { name: "Dropped the torch.",
 106       effect: "After defeating a card, roll a die. On an odd number its replacement is placed face-down.",
 107       requires: ["noncanonical"],
 108       unique: true },
 109     { name: "Closer than you think.",
 110       action: "The dungeon gains another Fear token, and a new event occurs.",
 111       requires: ["noncanonical"],
 112       another: true, unique: true },
 113     { name: "I thought you had it.",
 114       action: "Randomly discard four of your defeated dungeon cards.",
 115       requires: ["noncanonical"] },
 116     { name: "Adamantine armor.",
 117       effect: "All monsters gain <strong>Immunity&nbsp;1</strong>.",
 118       requires: ["noncanonical"],
 119       unique: true },
 120     { name: "Normative assumptions.",
 121       effect: "Effects concerning ♂ instead concern ♀, and vice versa.",
 122       requires: ["noncanonical"],
 123       unique: true },
 124     { name: "Infighting.",
 125       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>.",
 126       requires: ["noncanonical"],
 127       unique: true },
 128     { name: "New moon.",
 129       effect: "Demons have <strong>Veil of Shadow</strong>.",
 130       requires: ["noncanonical", "demons"],
 131       unique: true },
 132     { name: "Camouflage.",
 133       effect: "Greenskins have <strong>Veil of Shadow</strong>.",
 134       requires: ["noncanonical"],
 135       unique: true },
 136     { name: "Cryptic shades.",
 137       effect: "Undead have <strong>Veil of Shadow</strong>.",
 138       requires: ["noncanonical", "undead"],
 139       unique: true },
 140     { name: "Lingering smoke.",
 141       effect: "Dragons have <strong>Veil of Shadow</strong>.",
 142       requires: ["noncanonical", "dragons"],
 143       unique: true },
 144     { name: "Hypnotizing gaze.",
 145       effect: "Bubbleyes have <strong>Veil of Shadow</strong>.",
 146       requires: ["noncanonical", "bubbleyes"],
 147       unique: true },
 148
 149 ];
 150
 151 var NOTHING = { name: "Nothing happens." };
 152 var LOSE = { name: "Your adventuring party is defeated!" };
 153
 154 function randrange (a, b) {
 155     return a + (Math.random() * (b - a)) | 0;
 156 }
 157
 158 function generate (flags, events, nop) {
 159     var chosen = [];
 160     var i;
 161
 162     function canStillHappen (event) {
 163         return issubset(event.requires || [], flags)
 164             && !(event.unique && contains.call(chosen, event));
 165     }
 166
 167     for (i = 0; i < events; ++i)
 168         chosen.push(choice(EVENTS.filter(canStillHappen)));
 169
 170     for (i = 0; i < nop; ++i)
 171         chosen.splice(randrange(0, chosen.length), 0, NOTHING);
 172
 173     chosen.push(LOSE);
 174     return chosen;
 175 }
 176
 177 function toHTML (event) {
 178     return ["<span class=fate-name>" + event.name + "</span>",
 179             event.action
 180             ? "<span class=fate-action>" + event.action + "</span>"
 181             : "",
 182             event.effect
 183             ? "<span class=fate-effect>" + event.effect + "</span>"
 184             : "",
 185         ].join(" ");
 186 }
 187
 188 var THEME = ("h1 { color: hsl(XXX, 25%, 75%); }\n\
 189 h2, .button, select { border-color: hsl(XXX, 30%, 85%); }\n\
 190 \n\
 191 a:link, a:visited, a:active {\n\
 192     color: hsl(XXX, 25%, 50%);\n\
 193 }\n\
 194 \n\
 195 select, .button, tbody tr:nth-last-child(odd) {\n\
 196     background-color: hsl(XXX, 30%, 85%);\n\
 197 }\n\
 198 \n\
 199 h1,\n\
 200 select:hover, select:focus,\n\
 201 .button:hover, .button:focus {\n\
 202     border-color: hsl(XXX, 25%, 50%);\n\
 203 }");
 204
 205 function randomizeName () {
 206     var name = generateName();
 207     document.getElementById("name").textContent = name;
 208     document.title = document.title.replace(/[^-]*-/, name + " -");
 209     document.head.lastChild.textContent = THEME.replace(
 210         /XXX/g, (Math.random() * 256) | 0);
 211 }
 212
 213 var events = [];
 214 var style;
 215
 216 function generateScenario () {
 217     var parts = location.hash.slice(1).split(',');
 218     events = generate(parts, parts.shift() | 0, parts.shift() | 0);
 219     style = document.createElement("style");
 220     document.head.appendChild(style);
 221     randomizeName();
 222 }
 223
 224 function getEvents (matcher) {
 225     return EVENTS.filter(matcher);
 226 }
 227
 228 function wrapRow (row) {
 229     return "<tr><td>" + row + "</td></tr>";
 230 }
 231
 232 function iscanonical (event) {
 233     return !isnoncanonical(event);
 234 }
 235 function isnoncanonical (event) {
 236     return ~(event.requires || []).indexOf('noncanonical');
 237 }
 238
 239 function canonicalToHTML (sender) {
 240     sender.innerHTML = EVENTS.filter(iscanonical)
 241         .map(toHTML).sort().map(wrapRow).join('');
 242 }
 243
 244 function noncanonicalToHTML (sender) {
 245     sender.innerHTML = EVENTS.filter(isnoncanonical)
 246         .map(toHTML).sort().map(wrapRow).join('');
 247 }
 248
 249 function nextEvent (sender) {
 250     if (!events.length) {
 251         location.reload();
 252         return;
 253     }
 254
 255     var event = events.shift();
 256     var body = document.querySelector("#fate tbody");
 257     var fate = body.children.length + 1;
 258     var tr = document.createElement('tr');
 259     tr.innerHTML = "<td><div>" + fate + "</div></td>"
 260         + "<td><div>" + toHTML(event) + "</div></td>";
 261     body.insertBefore(tr, body.firstChild);
 262
 263     if (events.length === 0) {
 264         sender.textContent = "Try Again ▲";
 265     }
 266
 267     if (event.another)
 268         setTimeout(function () { nextEvent(sender); }, 333);
 269 }