Add Action class

src/Action.php

@@ -0,0 +1,44 @@
+<?php
+declare(strict_types=1);
+
+namespace LotGD\Core;
+
+/**
+ * A representation of an action the user can take to affect the game
+ * state. An encapsulation of a navigation menu option.
+ */
+class Action
+{
+    private $id;
+    private $destinationSceneId;
+
+    /**
+     * Construct a new action with the specified Scene as its destination.
+     * @param int $destinationSceneId
+     */
+    public function __construct(int $destinationSceneId)
+    {
+        $this->id = bin2hex(random_bytes(8));
+        $this->destinationSceneId = $destinationSceneId;
+    }
+
+    /**
+     * Returns the unique, automatically generated identifier for this action.
+     * Use this ID to refer to this action when calling Game::takeAction().
+     * @return string
+     */
+    public function getId(): string
+    {
+        return $this->id;
+    }
+
+    /**
+     * Return the database ID of the destination scene, where the user will
+     * go if they take this action.
+     * @return string
+     */
+    public function getDestinationSceneId(): int
+    {
+        return $this->$destinationSceneId;
+    }
+}