initial pet progress

site/root/js/pet.js

@@ -0,0 +1,203 @@
+(function () {
+  "use strict";
+
+  /** the current pet version.. */
+  const CURRENT_PET_VERSION = 1;
+  /** the max food a pet will eat */
+  const MAX_FOOD = 100;
+  /** the amount of time it takes for a pet to have to GO */
+  const POTTY_TIME = 100;
+  /** how fast a pet's food value decays */
+  const FOOD_DECAY = 5;
+  /** the rate at which a pet ages */
+  const AGING_RATE = 1;
+  /** how fast a pet's potty need decays */
+  const POTTY_DECAY = 5;
+
+  /** life stage for an egg */
+  const LIFE_STAGE_EGG = 1;
+  /** life stage for a pup */
+  const LIFE_STAGE_PUP = 2;
+  /** life stage for an adult */
+  const LIFE_STAGE_ADULT = 3;
+  /** life stage for an elder pet */
+  const LIFE_STAGE_ELDER = 4;
+  /** the time it takes for a pet to grow past the egg phase */
+  const EGG_TIME = 2;
+  /** the time it takes for a pet to grow past the pup phase */
+  const PUP_TIME = 300;
+  /** the time it takes for a pet to grow past the adult phase */
+  const ADULT_TIME = 900;
+  /** the time it takes for a pet to grow past the elder phase */
+  const ELDER_TIME = 300;
+
+  const eggDiv = document.querySelector("div#egg");
+  const petSetup = document.querySelector("div#pet-setup");
+  const name = petSetup.querySelector("input[name=pet-name]");
+  const nameItButton = petSetup.querySelector("button");
+  const debug = document.querySelector("div#debug-section");
+  const debugLifeStage = debug.querySelector("span[name=ls]");
+  const debugAge = debug.querySelector("span[name=a]");
+  const debugFood = debug.querySelector("span[name=f]");
+  const debugBehavior = debug.querySelector("span[name=b]");
+  const debugPotty = debug.querySelector("span[name=p]");
+  const forceUpdateButton = debug.querySelector("button#force-update");
+
+  /**
+   * class containing information about a pet
+   */
+  class Pet {
+    /** current pet version */
+    version = CURRENT_PET_VERSION;
+    /** whether the pet can die or not */
+    canDie = false;
+    /** whether the pet is alive or dead */
+    alive = true;
+    /** whether the pet simulation is paused */
+    paused = false;
+    /** the pet's current life stage */
+    lifeStage = LIFE_STAGE_EGG;
+    /** the pet's name */
+    name = "";
+    /** how much food the pet has stored */
+    food = MAX_FOOD;
+    /** the pet's age */
+    age = 0;
+    /** the pet's behavior score */
+    behavior = 0;
+    /** how long until the pet needs to go potty */
+    pottyTimer = POTTY_TIME;
+    /** the time the pet was last updated */
+    lastUpdate = Date.now();
+    /** the time the egg was found */
+    eggFound = Date.now();
+    /** the time the egg hatched */
+    hatched = Date.now();
+
+    /**
+     * updates a pet
+     */
+    update() {
+      if (!this.alive || this.paused) {
+        return;
+      }
+      console.log("update");
+
+      this.age += AGING_RATE;
+
+      if (this.lifeStage !== LIFE_STAGE_EGG) {
+        this.food -= FOOD_DECAY;
+        this.pottyTimer -= POTTY_DECAY;
+
+        if (this.food < 0) {
+          if (this.canDie) {
+            // TODO: pet dies
+          } else {
+            this.food = 0;
+          }
+        }
+
+        if (this.pottyTimer < 0) {
+          this.goPotty();
+        }
+      }
+
+      if (this.lifeStage === LIFE_STAGE_EGG && this.age >= EGG_TIME) {
+        this.paused = true;
+        this.lifeStage = LIFE_STAGE_PUP;
+        this.age = 0;
+      } else if (this.lifeStage === LIFE_STAGE_PUP && this.age >= PUP_TIME) {
+        this.paused = true;
+        this.lifeStage = LIFE_STAGE_ADULT;
+        this.age = 0;
+      } else if (
+        this.lifeStage === LIFE_STAGE_ADULT &&
+        this.age >= ADULT_TIME
+      ) {
+        this.paused = true;
+        this.lifeStage = LIFE_STAGE_ELDER;
+        this.age = 0;
+      } else if (
+        this.lifeStage === LIFE_STAGE_ELDER &&
+        this.age >= ELDER_TIME
+      ) {
+        this.paused = true;
+        this.alive = false;
+        // TODO: DEATH
+      }
+      this.updateDom();
+    }
+
+    /**
+     * updates the html dom
+     */
+    updateDom() {
+      eggDiv.classList.add("hidden");
+      petSetup.classList.add("hidden");
+
+      if (this.lifeStage === LIFE_STAGE_EGG) {
+        eggDiv.classList.remove("hidden");
+      } else if (this.lifeStage === LIFE_STAGE_PUP) {
+        if (this.paused && this.name === "") {
+          petSetup.classList.remove("hidden");
+        }
+      } else if (this.lifeStage === LIFE_STAGE_ADULT) {
+      } else if (this.lifeStage === LIFE_STAGE_ELDER) {
+      }
+
+      debugLifeStage.innerText = this.lifeStage;
+      debugAge.innerText = this.age;
+      debugFood.innerText = this.food;
+      debugBehavior.innerText = this.behavior;
+      debugPotty.innerText = this.pottyTimer;
+    }
+
+    /**
+     * feeds the pet
+     * @param {number} amount the amount to feed the pet by
+     */
+    feed(amount) {
+      if (this.food > MAX_FOOD) {
+        return;
+      }
+      this.food += amount;
+    }
+
+    /**
+     * makes the pet go potty
+     */
+    goPotty() {
+      if (this.behavior > 15) {
+        // go potty properly
+      } else {
+        // make a mess of that shit
+      }
+      this.pottyTimer = POTTY_TIME;
+    }
+  }
+
+  let pet = new Pet();
+  pet.updateDom();
+
+  nameItButton.addEventListener("click", () => {
+    const newName = name.value;
+    console.log(newName);
+    if (newName.trim().length === 0) {
+      return;
+    }
+    pet.name = newName;
+    pet.paused = false;
+    pet.updateDom();
+  });
+
+  const update = () => {
+    pet.update();
+  };
+
+  // update the pet every 30 seconds?
+  setInterval(update, 30000);
+
+  forceUpdateButton.addEventListener("click", update);
+
+  console.log(pet);
+})();