Add stamina during the maw struggle

Low stamina prevents you from moving forwards, and also makes it possible to slide
back far further than you wanted to.

stories/geta-unaware.js

@@ -119,6 +119,7 @@
                 state.geta = {};
 
                 state.player.stats.health = { name: "Health", type: "meter", value: 100, min: 0, max: 100, color: "rgb(255,55,55)" };
+                state.player.stats.stamina = { name: "Stamina", type: "meter", value: 100, min: 0, max: 100, color: "rgb(55,255,55)", hidden: true };
                 state.player.stats.suspicion = { name: "Suspicion", type: "meter", value: 0, min: 0, max: 100, color: "rgb(100,100,100)" };
                 state.player.stats.mawPos = { "name": "Struggle", "type": "meter", "value": 0.5, "min": 0, "max": 1, "color": "rgb(0,255,0)", hidden: true }
                 state.info.time.value = 60 * 60 * 7 + 60 * 17;
@@ -546,6 +547,7 @@
                     state.player.stats.suspicion.hidden = true;
                     stopClassTimers("free");
 
+                    state.player.stats.stamina.hidden = false;
                     state.player.stats.mawPos.hidden = false;
 
                     state.geta.slurps = 0;
@@ -555,6 +557,19 @@
 
                     print(["You slip into Geta's maw. He'll swallow you like the snack you are if you slip too far back, but crawl too far forward, and you'll meet his fangs..."])
 
+                    startTimer({
+                        id: "maw-stamina",
+                        func: () => {
+                            changeStat("stamina", 0.1);
+                            return true;
+                        },
+                        delay: 1000 / 60,
+                        loop: true,
+                        classes: [
+                            "maw-struggle"
+                        ]
+                    });
+
                     startTimer({
                         id: "maw-random-movement",
                         func: () => {
@@ -742,15 +757,21 @@
 
                 },
                 "exit": (room) => {
-
+                    state.player.stats.stamina.hidden = true;
                 },
                 "actions": [
                     {
                         name: "Struggle",
                         desc: "Pull yourself away from the fox's throat! Just don't go too far forward...",
                         execute: (room) => {
-                            print(["You drag yourself forward"]);
-                            statLerp("mawPos", 0.15 + Math.random() * 0.05, 250);
+                            if (getStat("stamina") < 25) {
+                                print(["You're too tired..."]);
+                            } else {
+                                print(["You drag yourself forward"]);
+                                changeStat("stamina", -25);
+                                statLerp("mawPos", 0.15 + Math.random() * 0.05, 250);
+                            }
+                            
                         },
                         show: [
 
@@ -763,7 +784,11 @@
                         name: "Slip Back",
                         desc: "Slide back towards Geta's gullet",
                         execute: (room) => {
-                            if (Math.random() < 0.9) {
+                            if (Math.random() * 25 > getStat("stamina")) {
+                                print(["You try to shimmy back an inch or two, but your sore muscles give way; you slide back perilously far!"]);
+                                statLerp("mawPos", -0.3 - Math.random() * 0.25, 250);
+                            }
+                            else if (Math.random() < 0.9) {
                                 print(["You let yourself slip back."]);
                                 statLerp("mawPos", -0.2 - Math.random() * 0.1, 250);
                             } else {
@@ -898,7 +923,7 @@
                     startTimer({
                         id: "digest-stages",
                         func: () => {
-                            if (100 - state.geta.digestionStage * 25 - 25> getStat("health")) {
+                            if (100 - state.geta.digestionStage * 25 - 25 > getStat("health")) {
                                 state.geta.digestionStage = Math.floor((100 - getStat("health")) / 25);
                                 console.log(state.geta.digestionStage);
                                 switch (state.geta.digestionStage) {