src/entities/icsentity.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@gmail.com>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include "icsentity.h"
  12 #include <KDebug>
  13 #include "game.h"
  14 #include "icsconnection.h"
  15 #include "positioninfo.h"
  16 #include "poolinfo.h"
  17 #include "icsapi.h"
  18
  19 using namespace boost;
  20
  21 class ICSTurnPolicy : public TurnPolicy::Abstract {
  22   const ICSEntity* m_entity;
  23 public:
  24   ICSTurnPolicy(const ICSEntity* entity);
  25
  26   virtual bool check() const;
  27 };
  28
  29 ICSTurnPolicy::ICSTurnPolicy(const ICSEntity* entity)
  30 : m_entity(entity) { }
  31
  32 bool ICSTurnPolicy::check() const {
  33   return m_entity->canEdit();
  34 }
  35
  36 class ICSPremovePolicy : public TurnPolicy::Premove {
  37   const ICSEntity* m_entity;
  38 public:
  39   ICSPremovePolicy(const ICSEntity* entity);
  40
  41   virtual bool check() const;
  42 };
  43
  44 ICSPremovePolicy::ICSPremovePolicy(const ICSEntity* entity)
  45 : m_entity(entity) { }
  46
  47 bool ICSPremovePolicy::check() const {
  48   return !m_entity->canEdit();
  49 }
  50
  51
  52 ICSEntity::ICSEntity(const VariantPtr& variant, const shared_ptr<Game>& game,
  53                    int side, int gameNumber,
  54                    const shared_ptr<ICSConnection>& connection, AgentGroup* group)
  55 : Entity(game)
  56 , m_variant(variant)
  57 , m_icsapi(variant->icsAPI())
  58 , m_connection(connection)
  59 , m_side(side)
  60 , m_game_number(gameNumber)
  61 , m_editing_mode(false)
  62 , m_dispatcher(group, this) {
  63   Q_ASSERT(m_icsapi);
  64 }
  65
  66 AbstractPosition::Ptr ICSEntity::position() const {
  67   return m_game->position();
  68 }
  69
  70 void ICSEntity::executeMove(AbstractMove::Ptr) { }
  71
  72 void ICSEntity::updateGame(const Index& index, AbstractMove::Ptr icsMove,
  73                                          AbstractPosition::Ptr icsPos) {
  74   if (index > 0 && m_game->containsIndex(index.prev()) && icsMove) {
  75     if (AbstractPosition::Ptr position = m_game->position(index.prev())) {
  76       position = position->clone();
  77
  78       if (position->testMove(icsMove)) {
  79         position->move(icsMove);
  80
  81         icsPos->copyPoolFrom(position);
  82
  83         if (!position->equals(icsPos))
  84           kDebug() << "[inconsistency] computed position differs from expected!";
  85       }
  86       else
  87         kDebug() << "[inconsistency] invalid move from server!";
  88     }
  89   }
  90
  91   if (m_game->lastMainlineIndex() > index)
  92     m_game->truncate(index);
  93
  94   m_game->insert(icsMove, icsPos, index);
  95   m_game->goTo(index);
  96   m_dispatcher.move(index);
  97 }
  98
  99 ICSEntity::UpdateType ICSEntity::getUpdate(const Index& index) {
 100   std::pair<int, int> steps = m_game->index().stepsTo(index);
 101   if (steps.first == 0) {
 102     if (steps.second == 0) return NoMove;
 103     else if (steps.second == 1) return MoveForward;
 104     else return Forward;
 105   }
 106   else if (steps.first == 1 && steps.second == 0) return MoveBack;
 107   else if (steps.second == 0) return Back;
 108
 109   return NonComparableIndexes;
 110 }
 111
 112 void ICSEntity::notifyStyle12(const PositionInfo& style12, bool is_starting) {
 113   if (style12.gameNumber != m_game_number) return;
 114
 115   m_dispatcher.clockUpdate(style12.whiteTime, style12.blackTime);
 116
 117   // get last move verbose notation
 118   AbstractMove::Ptr last_move;
 119   if (!is_starting)
 120     last_move = m_icsapi->parseVerbose(style12.lastMove, style12.position);
 121
 122   if (style12.index() > 0 && m_game->containsIndex(style12.index() - 1)
 123                   && last_move && m_variant->name() != "Dummy") {
 124     AbstractPosition::Ptr position = m_game->position(style12.index() - 1);
 125     if (position) {
 126       AbstractMove::Ptr mv = position->getMove(style12.lastMoveSAN);
 127       if (!mv || !mv->equals(last_move)) {
 128         kDebug() <<
 129           "[server inconsistency] SAN for last move is different from verbose notation"
 130          ;
 131       }
 132     }
 133   }
 134
 135   if (style12.index() > 0 && m_variant->name() != "Dummy"
 136         && (!m_game->containsIndex(style12.index() - 1) || !m_game->position(style12.index() - 1)) )
 137     requestMoves();
 138
 139   updateGame(style12.index(), last_move, style12.position);
 140 }
 141
 142 void ICSEntity::notifyPool(const PoolInfo& pi) {
 143   if (pi.m_game_num != m_game_number)
 144     return;
 145
 146   return; // BROKEN
 147   if (m_game->containsIndex(pi.m_pos_index)) {
 148     AbstractPosition::Ptr p = m_game->position(pi.m_pos_index);
 149     //BROKEN
 150     //p->setPool(pi.m_pool);
 151     m_game->insert(m_game->move(pi.m_pos_index), p, pi.m_pos_index );
 152   }
 153 }
 154
 155 void ICSEntity::notifyMoveList(int num, AbstractPosition::Ptr pos, const PGN& pgn) {
 156   if (m_game_number != num) return;
 157
 158   if(pos->variant() != m_variant->name()) {
 159     kDebug() << "Mismatch for move list, this variant is \"" << m_variant->name() << "\",\n"
 160                 " got move list for \"" << pos->variant() << "\"";
 161     return;
 162   }
 163
 164   Game g;
 165   g.reset(pos);
 166   g.load(pgn);
 167
 168   for(int i=0;i<=g.lastMainlineIndex().num_moves;i++) {
 169     m_game->insert(g.move(i), g.position(i), i);
 170   }
 171   //m_game->load(pos, pgn);
 172 }
 173
 174 bool ICSEntity::canDetach() const {
 175   // TODO: ask whether abort or resign...
 176   return true;
 177 }
 178
 179
 180 bool ICSEntity::attach() {
 181   // an ICS player can attach only if no move for that side has been made
 182   //kDebug() << "[ICS attach] index = " << m_game->lastMainlineIndex();
 183   if (m_game->lastMainlineIndex() == 0) return true;
 184   if (m_game->lastMainlineIndex() == 1 && m_side == 1) {
 185     // white already played, inform black
 186     m_dispatcher.move(0);
 187     return true;
 188   }
 189   return false;
 190 }
 191
 192 void ICSEntity::notifyMove(const Index& index) {
 193   if (!canEdit()) {
 194     m_connection->sendText(m_game->move(index)->toString(
 195       "simple", m_game->position(index.prev())));
 196   }
 197 }
 198
 199 void ICSEntity::requestMoves() {
 200   m_connection->sendText(QString("moves %1").arg(m_game_number));
 201 }
 202
 203 bool ICSEntity::canEdit() const {
 204   return canEdit(m_game->index());
 205 }
 206
 207 bool ICSEntity::canEdit(const Index& index) const {
 208   return m_editing_mode || index != m_game->lastMainlineIndex();
 209 }
 210
 211 void ICSEntity::setupTurnTest(TurnTest& test) const {
 212   test.setPolicy(m_side, shared_ptr<TurnPolicy::Abstract>(new ICSTurnPolicy(this)));
 213   test.setPremovePolicy(shared_ptr<TurnPolicy::Premove>(new ICSPremovePolicy(this)));
 214 }
 215
 216
 217 ObservingEntity::ObservingEntity(const VariantPtr& variant, const shared_ptr<Game>& game,
 218                    int gameNumber,const shared_ptr<ICSConnection>& connection, AgentGroup* group)
 219 : ICSEntity(variant, game, -1, gameNumber, connection, group)
 220 , m_attached(true) { }
 221
 222 void ObservingEntity::detach() {
 223   m_attached = false;
 224 }
 225
 226 ObservingEntity::~ObservingEntity() {
 227   if (m_attached)
 228     m_connection->sendText(QString("unobs %1").arg(m_game_number));
 229 }
 230
 231