Add WorldManager

engine/CMakeLists.txt

@@ -391,6 +391,7 @@ set (WORLD_SRC
 	world/SceneGraphManager.cpp
 	world/Unit.cpp
 	world/World.cpp
+	world/WorldManager.cpp
 )
 
 set (WORLD_HEADERS
@@ -399,6 +400,7 @@ set (WORLD_HEADERS
 	world/SceneGraphManager.h
 	world/Unit.h
 	world/World.h
+	world/WorldManager.h
 )
 
 set (COMPILER_SRC

engine/world/WorldManager.cpp

@@ -0,0 +1,72 @@
+/*
+Copyright (c) 2013 Daniele Bartolini, Michele Rossi
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "WorldManager.h"
+#include "World.h"
+
+namespace crown
+{
+
+//-----------------------------------------------------------------------------
+WorldManager::WorldManager()
+	: m_allocator("world-manager", default_allocator())
+{
+}
+
+//-----------------------------------------------------------------------------
+WorldManager::~WorldManager()
+{
+}
+
+//-----------------------------------------------------------------------------
+WorldId WorldManager::create_world()
+{
+	World* w = CE_NEW(m_allocator, World)();
+	const WorldId w_id = m_worlds.create(w);
+	w->set_id(w_id);
+	return w_id;
+}
+
+//-----------------------------------------------------------------------------
+void WorldManager::destroy_world(WorldId id)
+{
+	CE_DELETE(m_allocator, m_worlds.lookup(id));
+	m_worlds.destroy(id);
+}
+
+//-----------------------------------------------------------------------------
+World* WorldManager::lookup_world(WorldId id)
+{
+	return m_worlds.lookup(id);
+}
+
+//-----------------------------------------------------------------------------
+IdArray<MAX_WORLDS, World*>& WorldManager::worlds()
+{
+	return m_worlds;
+}
+
+} // namespace crown

engine/world/WorldManager.h

@@ -0,0 +1,61 @@
+/*
+Copyright (c) 2013 Daniele Bartolini, Michele Rossi
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "IdArray.h"
+#include "ProxyAllocator.h"
+
+#pragma once
+
+namespace crown
+{
+
+typedef Id WorldId;
+class World;
+#define MAX_WORLDS 1024
+
+/// Manages a number of worlds.
+class WorldManager
+{
+public:
+
+					WorldManager();
+					~WorldManager();
+
+	WorldId			create_world();
+	void			destroy_world(WorldId id);
+
+	World*			lookup_world(WorldId id);
+
+	/// Return the array of worlds.
+	IdArray<MAX_WORLDS, World*>& worlds();
+
+private:
+
+	ProxyAllocator m_allocator;
+	IdArray<MAX_WORLDS, World*> m_worlds;
+};
+
+} // namespace crown