Porting in old gamejam code. Removed SOME cruft, more likely remains. Sound + sprite test.

src/EntityManager.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Common.h"
+#include "Entity.h"
+
+typedef std::vector<std::shared_ptr<Entity>> EntityVec;
+typedef std::map<std::string, EntityVec> EntityMap;
+
+class EntityManager
+{
+    EntityVec m_entities;
+    EntityVec m_entitiesToAdd;
+    EntityMap m_entityMap;
+    size_t m_totalEntities;
+
+    void removeDeadEntities(EntityVec & vec);
+
+public:
+    EntityManager();
+    void update();
+    std::shared_ptr<Entity> addEntity(const std::string & tag);
+    const EntityVec & getEntities();
+    const EntityVec & getEntities(const std::string & tag);
+};
+