Moves can have weights now.

combat.js

@@ -14,6 +14,21 @@ function isGrappled(entity) {
   return entity.grappled == true;
 }
 
+function doComp(attackStat, defendStat) {
+  return Math.random() * attackStat > Math.random() * defendStat;
+}
+
+function statCheck(attacker, defender, stat) {
+  return doComp(attacker[stat], defender[stat]);
+}
+
+function statHealthCheck(attacker, defender, stat) {
+  let attackerPercent = attacker.health / attacker.maxHealth;
+  let defenderPercent = defender.health / defender.maxHealth;
+
+  return doComp(attacker[stat] * attackerPercent, defender[stat] * defenderPercent);
+}
+
 function punchAttack(attacker) {
   return {
     name: "Punch",
@@ -51,7 +66,7 @@ function grapple(attacker) {
     name: "Grapple",
     desc: "Try to grab your opponent",
     attack: function(defender) {
-      let success = Math.random() < 0.5;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         defender.grappled = true;
         return "You charge at the " + defender.description() + ", tackling them and knocking them to the ground.";
@@ -80,7 +95,7 @@ function grappleDevour(attacker) {
     name: "Devour",
     desc: "Try to consume your grappled opponent",
     attack: function(defender) {
-      let success = Math.random() < 0.25 + (1 - defender.health / defender.maxHealth) * 0.75;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.stomach.feed(defender);
         defender.grappled = false;
@@ -91,7 +106,7 @@ function grappleDevour(attacker) {
       }
     },
     attackPlayer: function(defender) {
-      let success = Math.random() < 0.5 + (1 - defender.health / defender.maxHealth)*0.5 && Math.random() < 0.5;
+      let success = statHealthCheck(attacker, defender, "str");
       if(success) {
         defender.grappled = false;
         changeMode("eaten");
@@ -113,7 +128,7 @@ function grappleAnalVore(attacker) {
     name: "Anal Vore",
     desc: "Try to shove your opponent up your ass.",
     attack: function(defender) {
-      let success = Math.random() < 0.25 + (1 - defender.health / defender.maxHealth) * 0.75;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.butt.feed(defender);
         defender.grappled = false;
@@ -150,7 +165,7 @@ function grappledStruggle(attacker) {
     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;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.grappled = false;
         return "You struggle and shove the " + defender.description() + " off of you.";
@@ -159,7 +174,7 @@ function grappledStruggle(attacker) {
       }
     },
     attackPlayer: function(defender) {
-      let success = Math.random() < 0.5 + (1 - defender.health / defender.maxHealth)*0.5 && Math.random() < 0.5;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.grappled = false;
         return "Your prey shoves you back, breaking your grapple!";
@@ -179,7 +194,7 @@ function grappledReverse(attacker) {
     name: "Reversal",
     desc: "Try to pin your grappler. Less likely to work than struggling.",
     attack: function(defender) {
-      let success = Math.random() < 0.25 + (1 - defender.health / defender.maxHealth) * 0.5;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.grappled = false;
         defender.grappled = true;
@@ -189,7 +204,7 @@ function grappledReverse(attacker) {
       }
     },
     attackPlayer: function(defender) {
-      let success = Math.random() < 0.5 + (1 - defender.health / defender.maxHealth)*0.5 && Math.random() < 0.5;
+      let success = statHealthCheck(attacker, defender, "str");
       if (success) {
         attacker.grappled = false;
         defender.grappled = true;
@@ -272,3 +287,14 @@ function digestPlayerStomach(predator,damage=20) {
     priority: 1,
   };
 }
+
+function instakillPlayerStomach(pedator) {
+  return {
+    digest: function(player) {
+      player.health = -100;
+      return "The stomach walls churn, clench, and swiftly crush you into nothingnes.";
+    },
+    priority: 1,
+    weight: function(attacker, defender) { return 1/3 },
+  };
+}

feast.js

@@ -21,6 +21,25 @@ let prefs = {
   }
 };
 
+function pick(list) {
+  if (list.length == 0)
+    return null;
+  else {
+    let sum = list.reduce((sum, choice) => choice.weight == undefined ? 1 : choice.weight() + sum, 0);
+
+    let target = Math.random() * sum;
+
+    for (let i = 0; i < list.length; i++) {
+      sum -= list[i].weight == undefined ? 1 : list[i].weight();
+      if (sum <= target) {
+        return list[i];
+      }
+    }
+
+    return list[list.length-1];
+  }
+}
+
 function filterValid(options, attacker, defender) {
   let filtered = options.filter(option => option.conditions == undefined || option.conditions.reduce((result, test) => result && test(prefs, attacker === player), true));
   return filtered.filter(option => option.requirements == undefined || option.requirements.reduce((result, test) => result && test(attacker, defender), true));

vore.js

@@ -1,12 +1,5 @@
 "use strict";
 
-function pick(list) {
-  if (list.length == 0)
-    return null;
-  else
-    return list[Math.floor(Math.random()*list.length)];
-}
-
 function Creature(name = "Creature", str=10, dex=10, con=10) {
   this.name = name;
 
@@ -99,7 +92,7 @@ function Anthro() {
 }
 
 function Fen() {
-  Anthro.call(this, name);
+  Anthro.call(this, name, 1000000, 1099900, 1000000);
 
   this.build = "loomy";
   this.species = "crux";
@@ -117,6 +110,7 @@ function Fen() {
   this.digests = [];
 
   this.digests.push(new digestPlayerStomach(this,50));
+  this.digests.push(new instakillPlayerStomach(this));
 
   this.backupDigest = new digestPlayerStomach(this,50);
 }