From 59f62b5c0df10be433b9380777e4d5a649d03d95 Mon Sep 17 00:00:00 2001
From: Alec Thomas <alec@swapoff.org>
Date: Sat, 27 Oct 2012 09:16:29 -0400
Subject: Add Entity::exists() and EntityManager::get().

---
 entityx/Entity.cc | 4 ++++
 entityx/Entity.h  | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/entityx/Entity.cc b/entityx/Entity.cc
index 89a83f7..6c43a06 100644
--- a/entityx/Entity.cc
+++ b/entityx/Entity.cc
@@ -15,4 +15,8 @@ namespace entityx {
 
 BaseComponent::Family BaseComponent::family_counter_ = 0;
 
+bool Entity::exists() const {
+  return entities_.exists(id_);
+}
+
 }
diff --git a/entityx/Entity.h b/entityx/Entity.h
index e763214..6d046c3 100644
--- a/entityx/Entity.h
+++ b/entityx/Entity.h
@@ -42,6 +42,8 @@ class Entity {
 
   operator Id () { return id_; }
 
+  bool exists() const;
+
   template <typename C>
   boost::shared_ptr<C> assign(boost::shared_ptr<C> component);
   template <typename C, typename ... Args>
@@ -328,6 +330,10 @@ class EntityManager : boost::noncopyable {
     return free_list_.find(entity) == free_list_.end();
   }
 
+  Entity get(Entity::Id id) {
+    return Entity(*this, id);
+  }
+
   /**
    * Assigns a previously constructed Component to an Entity::Id.
    *
-- 
cgit v1.2.3