Feature/boxes backend

docs/api/box.md

@@ -0,0 +1,39 @@
+# Сообщения Box'a
+
+## BoxPickUp
+**Имя сообщения**: `boxPickUp`
+
+**Broadcast**: `+`
+
+**Структура**:
+```
+{
+  With: {
+    id: 1,
+    entityClass: 'box',
+    dimensions: 30
+  }
+}
+```
+
+## BoxRespawn
+**Имя сообщения**: `boxRespawn`
+
+**Broadcast**: `+`
+
+**Структура**:
+```
+{
+  With: {
+    id: 1,
+    entityClass: 'box',
+    dimensions: 30
+  },
+
+  // Position
+  Vector: {
+    x: 0,
+    y: 0
+  }
+}
+```

readme.md

@@ -49,3 +49,4 @@ to be continued
 - [Player](./docs/api/player.md)
 - [Effect](./docs/api/effect.md)
 - [Missile](./docs/api/missile.md)
+- [Box](./docs/api/box.md)

server/core/box.js

@@ -0,0 +1,57 @@
+let Entity = require('../core/entity');
+let BoxMessages = require('../messages/box');
+
+// Размер ящика
+const BOX_SIZE = 30;
+// Промежуток времени в сек., через который возможнен респавн ящика.
+const BOX_RESPAWN_TIME_MIN = 25;
+const BOX_RESPAWN_TIME_MAX = 35;
+
+module.exports = class Box extends Entity {
+    constructor() {
+        super(BOX_SIZE);
+
+        this.__isDead = true;
+
+        let respTime = Math.random() * (BOX_RESPAWN_TIME_MAX - BOX_RESPAWN_TIME_MIN) + BOX_RESPAWN_TIME_MIN;
+
+        this.__reSpawnTimeout = setTimeout(() => {
+            this.reSpawn();
+        }, respTime * 1000);
+    }
+
+    move() {
+        // nothing
+    }
+
+    onDamaged() {
+        // nothing
+    }
+
+    onCollide(collidedWithEntity) {
+        this.onDeath(collidedWithEntity);
+    }
+
+    onDeath(killer){
+        super.onDeath(killer);
+
+        let respTime = Math.random() * (BOX_RESPAWN_TIME_MAX - BOX_RESPAWN_TIME_MIN) + BOX_RESPAWN_TIME_MIN;
+
+        this.__reSpawnTimeout = setTimeout(() => {
+            this.reSpawn();
+        }, respTime * 1000);
+
+        (new BoxMessages.BoxPickUp())
+            .withEntity(this)
+            .send();
+    }
+
+    reSpawn() {
+        super.reSpawn();
+
+        (new BoxMessages.BoxRespawn())
+            .withEntity(this)
+            .withVector(this.position)
+            .send();
+    }
+};

server/core/entity.js

@@ -191,4 +191,17 @@ module.exports = class Entity {
         this.randomPosition();
         this.__isDead = false;
     }
+
+    /**
+     * Действия при лечении сущности
+     *
+     * @param {Number} hp - кол-во восстанавливаемого здоровья
+     */
+    heal(hp){
+        if(hp + this.health < this.maxHealth) {
+            this.__health += hp;
+        } else {
+            this.__health = this.__maxHealth;
+        }
+    }
 };

server/core/health-box.js

@@ -0,0 +1,13 @@
+let Box = require('./box');
+
+module.exports = class HealthBox extends Box {
+    constructor() {
+        super();
+    }
+
+    onCollide(collidedWithEntity) {
+        super.onCollide(collidedWithEntity);
+
+        collidedWithEntity.heal(collidedWithEntity.maxHealth);
+    }
+};

server/messages/box.js

@@ -0,0 +1,18 @@
+let Message = require('../core/message');
+
+/**
+ * Сообщения для ящиков
+ */
+module.exports = {
+    BoxPickUp: class BoxPickUpMassage extends Message {
+        constructor() {
+            super('boxPickUp');
+        }
+    },
+
+    BoxRespawn: class BoxRespawnMessage extends Message {
+        constructor() {
+            super('boxRespawn');
+        }
+    }
+};

server/warlock-server.js

@@ -4,6 +4,7 @@ let app = require('http').createServer(require('./core/static-handler'));
 let io = require('socket.io')(app);
 let World = require('./entities/world');
 let PlayerMessages = require('./messages/player');
+let HealthBox = require('./core/health-box');
 
 class WarlockServer {
     constructor(io) {
@@ -48,6 +49,10 @@ class WarlockServer {
         let world = new World();
         world.x = world.dimensions / 2;
         world.y = world.dimensions / 2;
+
+        new HealthBox();
+        new HealthBox();
+        new HealthBox();
     }
 
     broadcast(event, data) {