Added a way to struggle out of a grapple

combat.js

@@ -115,6 +115,34 @@ function grappleRelease(attacker) {
   };
 }
 
+function grappledStruggle(attacker) {
+  return {
+    name: "Struggle",
+    desc: "Try to break your opponent's pin",
+    attack: function(defender) {
+      let success = Math.random() < 0.5 + (1 - defender.health / defender.maxHealth)*0.5;
+      if (success) {
+        attacker.grappled = false;
+        return "You struggle and shove the " + defender.description() + " off of you.";
+      } else {
+        return "You struggle, but to no avail.";
+      }
+    },
+    attackPlayer: function(defender) {
+      let success = Math.random() < 0.5 + (1 - defender.health / defender.maxHealth)*0.5 && Math.random() < 0.5;
+      if (success) {
+        attacker.grappled = false;
+        return "Your prey shoves you back, breaking your grapple!";
+      } else {
+        return "Your prey squirms, but remains pinned.";
+      }
+    },
+    requirements: [
+      function(attacker, defender) { return isGrappled(attacker) && isNormal(defender); }
+    ]
+  };
+}
+
 function pass(attacker) {
   return {
     name: "Pass",

feast.html

@@ -24,7 +24,7 @@
   <div id="game">
     <div id="game-and-stats">
       <div id="log">
-        Welcome to Feast v0.0.3
+        Welcome to Feast v0.0.4
       </div>
       <div id="stats">
         <div class="stat-line" id="time">Time: to get a watch</div>

vore.js

@@ -29,11 +29,13 @@ function Player(name = "Player") {
 
   this.attacks.push(new punchAttack(this));
   this.attacks.push(new flankAttack(this));
-  this.attacks.push(new grapple(this));
 
+  this.attacks.push(new grapple(this));
   this.attacks.push(new grappleDevour(this));
   this.attacks.push(new grappleRelease(this));
 
+  this.attacks.push(new grappledStruggle(this));
+
   this.backupAttack = new pass(this);
   this.str = 15;
   this.dex = 15;
@@ -58,10 +60,12 @@ function Anthro() {
 
   this.attacks.push(new punchAttack(this));
   this.attacks.push(new flankAttack(this));
-  this.attacks.push(new grapple(this));
 
+  this.attacks.push(new grapple(this));
   this.attacks.push(new grappleDevour(this));
 
+  this.attacks.push(new grappledStruggle(this));
+
   this.backupAttack = new pass(this);
 
   this.struggles = [];