1 files changed, 41 insertions, 0 deletions
diff --git a/yage/entity/entity.cpp b/yage/entity/entity.cpp
new file mode 100644
index 00000000..c7e8fd50
--- /dev/null
+++ b/yage/entity/entity.cpp
@@ -0,0 +1,41 @@
+/** ---------------------------------------------------------------------------
+ * @file: entity.cpp
+ *
+ * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com>
+ * MIT License, see LICENSE file for more details.
+ * ----------------------------------------------------------------------------
+ */
+
+#include "entity.h"
+
+#include <algorithm>
+
+namespace yage
+{
+
+BaseComponent::Group BaseComponent::group_id_counter_ = 0;
+
+EntityManager::EntityManager(Space *space) : space_(space) {}
+
+EntityManager::EntityManager(Space *space, std::size_t n) : space_(space)
+{
+    entities_.reserve(n);
+}
+
+Entity EntityManager::createEntity()
+{
+    Entity entity = next_entity_++;
+    entities_.push_back(entity);
+    return entity;
+}
+
+void EntityManager::deleteEntity(Entity entity)
+{
+    auto index = std::find_if(entities_.begin(), entities_.end(),
+                              [&](Entity &value) { return value == entity; });
+    if (index != entities_.end()) {
+        entities_.erase(index);
+    }
+}
+
+} // namespace yage