ryzom/server/src/gpm_service/move_checker.h

   1 // Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #ifndef MOVE_CHECKER_H
  18 #define MOVE_CHECKER_H
  19
  20 #include "nel/misc/types_nl.h"
  21 #include "nel/misc/smart_ptr.h"
  22
  23 #include "game_share/base_types.h"
  24
  25
  26 class CMoveChecker: public NLMISC::CRefCount
  27 {
  28 public:
  29         // inform the move checker that a player is being teleported - the move checker performs no test but
  30         // updates internal info on player position
  31         void teleport(TDataSetRow entityIndex, sint32 x, sint32 y, uint32 tick);
  32
  33         // ensure that the move attempted by a player is legal
  34         // if the move is not valid then x, y and z are changed to make the move valid
  35         // return true if move is valid otherwise false
  36         bool checkMove(TDataSetRow entityIndex, sint32& x, sint32& y, uint32 tick);
  37
  38         // remove a player from the checker (when they have deconnect)
  39         void remove(TDataSetRow entityIndex);
  40
  41 private:
  42         // private data
  43
  44         struct SPosition
  45         {
  46                 sint32 X, Y;
  47                 uint32 Tick;
  48
  49                 SPosition(): X(0), Y(0), Tick(0)        {}
  50         };
  51         typedef std::map<TDataSetRow,SPosition> TPositions;
  52         TPositions _Positions;
  53 };
  54
  55 #endif