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input.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2006 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.      See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/queen/input.cpp $
 * $Id: input.cpp 21994 2006-04-17 23:55:42Z eriktorbjorn $
 *
 */

#include "common/stdafx.h"
#include "common/system.h"

#include "queen/input.h"

namespace Queen {

const char *Input::_commandKeys[LANGUAGE_COUNT] = {
      "ocmglptu", // English
      "osbgpnre", // German
      "ofdnepau", // French
      "acsdgpqu", // Italian
      "ocmglptu", // Hebrew
      "acodmthu"  // Spanish
};

const Verb Input::_verbKeys[8] = {
      VERB_OPEN,
      VERB_CLOSE,
      VERB_MOVE,
      VERB_GIVE,
      VERB_LOOK_AT,
      VERB_PICK_UP,
      VERB_TALK_TO,
      VERB_USE
};

Input::Input(Language language, OSystem *system) :
      _system(system), _fastMode(false), _keyVerb(VERB_NONE),
      _cutawayRunning(false), _canQuit(false), _cutawayQuit(false),
      _dialogueRunning(false), _talkQuit(false), _quickSave(false),
      _quickLoad(false), _debugger(false), _inKey(0), _mouse_x(0),
      _mouse_y(0), _mouseButton(0), _idleTime(0) {

      switch (language) {
      case ENGLISH:
      case RUSSIAN:
            _currentCommandKeys = _commandKeys[0];
            break;
      case GERMAN:
            _currentCommandKeys = _commandKeys[1];
            break;
      case FRENCH:
            _currentCommandKeys = _commandKeys[2];
            break;
      case ITALIAN:
            _currentCommandKeys = _commandKeys[3];
            break;
      case HEBREW:
            _currentCommandKeys = _commandKeys[4];
            break;
      case SPANISH:
            _currentCommandKeys = _commandKeys[5];
            break;
      default:
            error("Unknown language");
            break;
      }
}

void Input::delay() {
      delay(_fastMode ? DELAY_SHORT : DELAY_NORMAL);
}

void Input::delay(uint amount) {
      if (_idleTime < DELAY_SCREEN_BLANKER) {
            _idleTime += amount;
      }
      uint32 end = _system->getMillis() + amount;
      do {
            OSystem::Event event;
            while (_system->pollEvent(event)) {
                  _idleTime = 0;
                  switch (event.type) {
                  case OSystem::EVENT_KEYDOWN:
                        if (event.kbd.flags == OSystem::KBD_CTRL) {
                              if (event.kbd.keycode == 'd') {
                                    _debugger = true;
                              } else if (event.kbd.keycode == 'f') {
                                    _fastMode = !_fastMode;
                              }
                        } else {
                              _inKey = event.kbd.keycode;
                        }
                        break;

                  case OSystem::EVENT_MOUSEMOVE:
                        _mouse_x = event.mouse.x;
                        _mouse_y = event.mouse.y;
                        break;

                  case OSystem::EVENT_LBUTTONDOWN:
                        _mouseButton |= MOUSE_LBUTTON;
                        _mouse_x = event.mouse.x;
                        _mouse_y = event.mouse.y;
                        break;

                  case OSystem::EVENT_RBUTTONDOWN:
                        _mouseButton |= MOUSE_RBUTTON;
                        _mouse_x = event.mouse.x;
                        _mouse_y = event.mouse.y;
                        break;

                  case OSystem::EVENT_QUIT:
                        _system->quit();
                        break;

                  default:
                        break;
                  }
            }

            _system->updateScreen();

            if (amount == 0)
                  break;

            _system->delayMillis((amount > 10) ? 10 : amount);
      } while (_system->getMillis() < end);
}

int Input::checkKeys() {

      if (_inKey)
            debug(6, "[Input::checkKeys] _inKey = %i", _inKey);

      switch (_inKey) {
      case KEY_SPACE:
            _keyVerb = VERB_SKIP_TEXT;
            break;
      case KEY_COMMA:
            _keyVerb = VERB_SCROLL_UP;
            break;
      case KEY_DOT:
            _keyVerb = VERB_SCROLL_DOWN;
            break;
      case KEY_DIGIT_1:
            _keyVerb = VERB_DIGIT_1;
            break;
      case KEY_DIGIT_2:
            _keyVerb = VERB_DIGIT_2;
            break;
      case KEY_DIGIT_3:
            _keyVerb = VERB_DIGIT_3;
            break;
      case KEY_DIGIT_4:
            _keyVerb = VERB_DIGIT_4;
            break;
      case KEY_ESCAPE: // slip cutaway / dialogue
            if (_canQuit) {
                  if (_cutawayRunning) {
                        debug(6, "[Input::checkKeys] Setting _cutawayQuit to true");
                        _cutawayQuit = true;
                  }
                  if (_dialogueRunning)
                        _talkQuit = true;
            }
            break;
      case KEY_F1: // use Journal
      case KEY_F5:
            if (_cutawayRunning) {
                  if (_canQuit) {
                        _keyVerb = VERB_USE_JOURNAL;
                        _cutawayQuit = _talkQuit = true;
                  }
            } else {
                  _keyVerb = VERB_USE_JOURNAL;
                  if (_canQuit)
                        _talkQuit = true;
            }
            break;
      case KEY_F11: // quicksave
            _quickSave = true;
            break;
      case KEY_F12: // quickload
            _quickLoad = true;
            break;
      default:
            for (int i = 0; i < ARRAYSIZE(_verbKeys); ++i) {
                  if (_inKey == _currentCommandKeys[i]) {
                        _keyVerb = _verbKeys[i];
                        break;
                  }
            }
            break;
      }

      int inKey = _inKey;
      _inKey = 0; // reset
      return inKey;
}


} // End of namespace Queen

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