From 26864aaf41dc4465595eed597db9f5588a30a268 Mon Sep 17 00:00:00 2001
From: Alec Thomas <alec@swapoff.org>
Date: Thu, 14 Mar 2013 23:26:47 -0400
Subject: Make Component<T>::family() support > 64 components.

---
 entityx/Entity.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/entityx/Entity.h b/entityx/Entity.h
index 6e82a5a..3f96628 100644
--- a/entityx/Entity.h
+++ b/entityx/Entity.h
@@ -158,12 +158,7 @@ template <typename Derived>
 struct Component : public BaseComponent {
  public:
   /// Used internally for registration.
-  static Family family() {
-    static Family family = family_counter_++;
-    // The 64-bit bitmask supports a maximum of 64 components.
-    assert(family < 64);
-    return family;
-  }
+  static Family family();
 };
 
 
@@ -526,6 +521,13 @@ class EntityManager : boost::noncopyable {
   std::list<Entity::Id> free_list_;
 };
 
+template <typename C>
+static BaseComponent::Family Component<C>::family() {
+  static Family family = family_counter_++;
+  assert(family < EntityManager::MAX_COMPONENTS);
+  return family;
+}
+
 template <typename C>
 boost::shared_ptr<C> Entity::assign(boost::shared_ptr<C> component) {
   return manager_->assign<C>(id_, component);
-- 
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