Improved server commands and added player permissions.

--HG--
extra : rebase_source : 178fe08f10b7de3ebaba088bd24faad795114216

src/player.h

@@ -28,11 +28,29 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #define PLAYERNAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.,"
 
+// Player privileges. These form a bitmask stored in the privs field
+// of the player, and define things they're allowed to do. See also
+// the static methods Player::privsToString and stringToPrivs that
+// convert these to human-readable form.
+const u64 PRIV_BUILD = 1;	// Can build - i.e. modify the world
+				//  (not enforced yet)
+const u64 PRIV_TELEPORT = 2;	// Can teleport
+const u64 PRIV_SETTIME = 4;	// Can set the time
+const u64 PRIV_PRIVS = 8;	// Can grant and revoke privileges
+const u64 PRIV_SERVER = 16;	// Can manage the server (e.g. shutodwn ,settings)
+
+const u64 PRIV_DEFAULT = PRIV_BUILD;
+const u64 PRIV_ALL = 0x7FFFFFFFFFFFFFFFULL;
+const u64 PRIV_INVALID = 0x8000000000000000ULL;
+
+
 class Map;
 
 class Player
 {
 public:
+
+
 	Player();
 	virtual ~Player();
 
@@ -123,6 +141,9 @@ public:
 
 	u16 hp;
 
+	// Player's privileges - a bitmaps of PRIV_xxxx.
+	u64 privs;
+
 	u16 peer_id;
 
 protected:
@@ -131,6 +152,57 @@ protected:
 	f32 m_yaw;
 	v3f m_speed;
 	v3f m_position;
+
+public:
+
+	// Converst a prvileges value into a human-readable string,
+	// with each component separated by a comma.
+	static std::wstring privsToString(u64 privs)
+	{
+		std::wostringstream os(std::ios_base::binary);
+		if(privs & PRIV_BUILD)
+			os<<L"build,";
+		if(privs & PRIV_TELEPORT)
+			os<<L"teleport,";
+		if(privs & PRIV_SETTIME)
+			os<<L"settime,";
+		if(privs & PRIV_PRIVS)
+			os<<L"privs,";
+		if(os.tellp())
+		{
+			// Drop the trailing comma. (Why on earth can't
+			// you truncate a C++ stream anyway???)
+			std::wstring tmp = os.str();
+			return tmp.substr(0, tmp.length() -1);
+		}
+		return os.str();
+	}
+
+	// Converts a comma-seperated list of privilege values into a
+	// privileges value. The reverse of privsToString(). Returns
+	// PRIV_INVALID if there is anything wrong with the input.
+	static u64 stringToPrivs(std::wstring str)
+	{
+		u64 privs=0;
+		std::vector<std::wstring> pr;
+		pr=str_split(str, ',');
+		for(std::vector<std::wstring>::iterator i = pr.begin();
+			i != pr.end(); ++i)
+		{
+			if(*i == L"build")
+				privs |= PRIV_BUILD;
+			else if(*i == L"teleport")
+				privs |= PRIV_TELEPORT;
+			else if(*i == L"settime")
+				privs |= PRIV_SETTIME;
+			else if(*i == L"privs")
+				privs |= PRIV_PRIVS;
+			else
+				return PRIV_INVALID;
+		}
+		return privs;
+	}
+
 };
 
 /*