Adding mob census (sorry this is a big commit as work was done before git integration i couldn't split it more)

source/MobTypesManager.h

@@ -0,0 +1,41 @@
+
+#pragma once
+
+#include <vector>
+#include "Mobs/Monster.h" // this is a side effect of declaring cMonster::eType inside cMonster MG TODO : make a namespace
+
+class cFastRandom;
+
+// this aggregate static functionnalities about mob types (some could call it helper)
+// functionnalities are (in the first version) :
+// - create a mob from its type (as enum) (in that way it is a compiler-proxy for mobs)
+// - can transform MobTypes from enums to string and reciprocal
+class cMobTypesManager
+{
+public:
+	static const std::string& fromMobTypeToString(cMonster::eType a_MobType);
+	static cMonster::eType fromStringToMobType(const std::string&);
+
+public:
+	class NotAMonsterException : public std::exception {}; //MG TODO : check if this is this project way to do it
+
+protected : 
+	typedef const std::map<cMonster::eType,std::string> tMobTypes2Names;
+	static tMobTypes2Names& m_MobsTypes2Names();
+	static tMobTypes2Names MobTypes2NamesInitializerBeforeCx11();
+
+	static cFastRandom& m_Random();
+	
+public :
+	/** create a new object of the specified mob.
+		Warning, new without delete here;
+	a_MobType is the type of the mob to be created
+	a_Size is the size (for mobs with size)
+	if a_Size is let to -1 for entities that need size, size will be random
+	assert or return null if mob type is not specified
+	assert if size < 1 or > 3 for entities that need size
+	*/
+	static cMonster* NewMonsterFromType(cMonster::eType a_MobType, int a_Size=-1);
+
+};  // tolua_export
+