src/server/tankai/TankAISniperGuesser.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 //    Scorched3D (c) 2000-2009
   3 //
   4 //    This file is part of Scorched3D.
   5 //
   6 //    Scorched3D is free software; you can redistribute it and/or modify
   7 //    it under the terms of the GNU General Public License as published by
   8 //    the Free Software Foundation; either version 2 of the License, or
   9 //    (at your option) any later version.
  10 //
  11 //    Scorched3D is distributed in the hope that it will be useful,
  12 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //    GNU General Public License for more details.
  15 //
  16 //    You should have received a copy of the GNU General Public License
  17 //    along with Scorched3D; if not, write to the Free Software
  18 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ////////////////////////////////////////////////////////////////////////////////
  20
  21 #include <tankai/TankAISniperGuesser.h>
  22 #include <tank/Tank.h>
  23 #include <tank/TankLib.h>
  24 #include <tank/TankPosition.h>
  25 #include <server/ScorchedServer.h>
  26 #include <common/Logger.h>
  27 #include <common/RandomGenerator.h>
  28
  29 TankAISniperGuesser::TankAISniperGuesser()
  30 {
  31 }
  32
  33 TankAISniperGuesser::~TankAISniperGuesser()
  34 {
  35 }
  36
  37 bool TankAISniperGuesser::guess(Tank *tank, Vector &target,
  38         float distForSniper, bool checkIntersection, float offset)
  39 {
  40         fixed angleXYDegs, angleYZDegs, power;
  41         RandomGenerator generator;
  42         generator.seed(rand());
  43
  44         FixedVector shotPosition = tank->getPosition().getTankPosition();
  45         if (TankLib::getSniperShotTowardsPosition(
  46                 ScorchedServer::instance()->getContext(),
  47                 shotPosition,
  48                 FixedVector::fromVector(target),
  49                 fixed::fromFloat(distForSniper),
  50                 angleXYDegs, angleYZDegs, power,
  51                 checkIntersection))
  52         {
  53                 fixed xyOffset = generator.getRandFixed() * fixed::fromFloat(offset);
  54                 fixed yzOffset = fixed::fromFloat(offset) - xyOffset;
  55
  56                 tank->getPosition().rotateGunXY(angleXYDegs + xyOffset, false);
  57                 tank->getPosition().rotateGunYZ(angleYZDegs + yzOffset, false);
  58                 tank->getPosition().changePower(power, false);
  59
  60                 return true;
  61         }
  62         return false;
  63 }