Add pickStringChance; make chance of generic description depend on possible descriptions, not all of them

Previously, if there were 10 possible descriptions for an action, the chance of getting the normal text was only 1 in 12. Now, only descriptions whose criteria are met count towards this chance

recursive-desc.js

@@ -5,6 +5,15 @@
 var rules = {};
 var defaults = {};
 
+const synonyms = {
+  heavy: ["heavy", "weighty"],
+  huge: ["huge", "massive", "gigantic", "large"],
+  cosmic: ["cosmic", "utterly colossal", "star-spanning"],
+  gulp: ["gulp", "gluk", "glrk", "glp"],
+  swallow: ["swallow", "gulp"],
+  looming: ["looming", "imposing", "awe-inspiring", "menacing"]
+}
+
 function plural(quantity, singular, plural) {
   return quantity > 1 ? plural : singular;
 }
@@ -134,7 +143,7 @@ function describe(action, container, macro, verbose=true, flat=false, extra1=0)
     container = flatten(container);
   }
 
-  if (options.length > 0 && Math.random() > (1 / (2 + rules[action].length))) {
+  if (options.length > 0 && Math.random() > (1 / (2 + options.length))) {
     let choice = Math.floor(Math.random() * options.length);
     return options[choice](container, macro, verbose, flat, extra1);
   }
@@ -152,6 +161,15 @@ function pickString(...array){
     var pick = strings[~~(Math.random() * strings.length)];
     return pick;
 }
+
+function pickStringChance(chance, ...array) {
+  if (Math.random() < chance) {
+    return pickString(...array);
+  } else {
+    return ""
+  }
+}
+
 // DEFAULTS
 
 function defaultEat(container, macro, verbose, flat) {
@@ -215,6 +233,7 @@ function defaultStomp(container, macro, verbose, flat) {
       container.describe(verbose),
       pickString("under", "beneath", "with"),
       "your",
+      pickStringChance(0.4, ...synonyms.looming),
       macro.footDesc(false,false,true) + "."
     ], [
       capitalize(container.describe(verbose)),
@@ -229,21 +248,20 @@ function defaultStomp(container, macro, verbose, flat) {
       macro.footDesc(false,false,true),
       pickString("crushes", "smashes", "flattens"),
       container.describe(verbose)
-    ]).join(" ");
+    ]).filter(Boolean).join(" ");
   else
     return "You step on " + container.describe(verbose) + ".";
 }
 
 function defaultStompWedge(container, macro, verbose, flat) {
-  if (container.count == 1) {
-    let line = container.describe(verbose);
-    line = line.charAt(0).toUpperCase() + line.slice(1);
-    return line + " is wedged in your " + macro.toeDesc(true);
-  } else {
-    let line = container.describe(verbose);
-    line = line.charAt(0).toUpperCase() + line.slice(1);
-    return line + " are wedged in your " + macro.toeDesc(true);
-  }
+  return [
+    capitalize(container.describe(verbose)),
+    (container.count > 1 ? "are" : "is"),
+    pickString("wedged", "trapped", "left stuck", "jammed"),
+    pickString("in", "between", "within"),
+    "your",
+    macro.toeDesc(true)
+  ].join(" ")
 }
 
 function defaultFlexToes(container, macro, verbose, flat) {