Moving client and player data into manager classes

Remember: anything with "manager" in its name organizes a number of other
objects, as far as I'm concerned.

I'll eventually have a database connection in the PlayerManager class;
this'll make it easier to manage the database.

server/player_manager.hpp

@@ -0,0 +1,59 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef PLAYERMANAGER_HPP_
+#define PLAYERMANAGER_HPP_
+
+#include "vector2.hpp"
+
+#include <map>
+#include <string>
+
+struct PlayerEntry {
+	int clientIndex;
+	int mapIndex;
+	Vector2 position;
+	Vector2 motion;
+};
+
+class PlayerManager {
+public:
+	//These functions interact with the database
+	//*Deletion, *Load and *Unload returns: 0 success, -1 failure
+	//*Creation returns the uniqueID, but doesn't load
+	//  that object; call *Load directly afterward
+
+	int HandlePlayerCreation	(std::string name, std::string avatar);
+	int HandlePlayerDeletion	(int uniqueID);
+	int HandlePlayerLoad		(int uniqueID, int clientIndex);
+	int HandlePlayerUnload		(int uniqueID);
+
+	//basic accessor
+	PlayerEntry* GetPlayer		(int uniqueID);
+
+	//update each player's position
+	void Update(double delta);
+private:
+	std::map<int, PlayerEntry> playerMap;
+	//database connection here
+};
+
+#endif