mirror of
https://github.com/libretro/scummvm.git
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521 lines
12 KiB
C++
521 lines
12 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/events.h"
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#include "parallaction/exec.h"
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#include "parallaction/input.h"
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#include "parallaction/parallaction.h"
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namespace Parallaction {
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#define MAX_PASSWORD_LENGTH 7
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/*
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#define QUESTION_BALLOON_X 140
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#define QUESTION_BALLOON_Y 10
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#define QUESTION_CHARACTER_X 190
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#define QUESTION_CHARACTER_Y 80
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#define ANSWER_CHARACTER_X 10
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#define ANSWER_CHARACTER_Y 80
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*/
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struct BalloonPositions {
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Common::Point _questionBalloon;
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Common::Point _questionChar;
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Common::Point _answerChar;
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};
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BalloonPositions _balloonPositions_NS = {
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Common::Point(140, 10),
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Common::Point(190, 80),
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Common::Point(10, 80)
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};
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BalloonPositions _balloonPositions_BR = {
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Common::Point(0, 0),
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Common::Point(380, 80),
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Common::Point(10, 80)
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};
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class DialogueManager {
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enum {
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RUN_QUESTION,
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RUN_ANSWER,
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NEXT_QUESTION,
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NEXT_ANSWER,
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DIALOGUE_OVER
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} _state;
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Parallaction *_vm;
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Dialogue *_dialogue;
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bool isNpc;
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GfxObj *_questioner;
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GfxObj *_answerer;
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int _faceId;
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Question *_q;
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int _answerId;
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int _selection, _oldSelection;
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uint32 _mouseButtons;
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Common::Point _mousePos;
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protected:
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BalloonPositions _ballonPos;
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struct VisibleAnswer {
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Answer *_a;
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int _index; // index into Question::_answers[]
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int _balloon;
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} _visAnswers[5];
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int _numVisAnswers;
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bool _isKeyDown;
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uint16 _downKey;
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public:
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DialogueManager(Parallaction *vm, ZonePtr z);
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virtual ~DialogueManager();
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void start();
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bool isOver() {
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return _state == DIALOGUE_OVER;
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}
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void run();
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ZonePtr _z;
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CommandList *_cmdList;
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protected:
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bool displayQuestion();
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bool displayAnswers();
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bool testAnswerFlags(Answer *a);
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virtual void addVisibleAnswers(Question *q) = 0;
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virtual int16 selectAnswer() = 0;
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int16 selectAnswer1();
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int16 selectAnswerN();
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int16 getHoverAnswer(int16 x, int16 y);
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void runQuestion();
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void runAnswer();
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void nextQuestion();
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void nextAnswer();
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};
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DialogueManager::DialogueManager(Parallaction *vm, ZonePtr z) : _vm(vm), _z(z) {
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_dialogue = _z->u._speakDialogue;
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isNpc = !_z->u._filename.empty() && _z->u._filename.compareToIgnoreCase("yourself");
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_questioner = isNpc ? _vm->_disk->loadTalk(_z->u._filename.c_str()) : _vm->_char._talk;
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_answerer = _vm->_char._talk;
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_cmdList = 0;
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_answerId = 0;
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}
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void DialogueManager::start() {
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assert(_dialogue);
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_q = _dialogue->_questions[0];
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_state = displayQuestion() ? RUN_QUESTION : NEXT_ANSWER;
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}
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DialogueManager::~DialogueManager() {
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if (isNpc) {
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delete _questioner;
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}
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_z.reset();
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}
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bool DialogueManager::testAnswerFlags(Answer *a) {
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uint32 flags = _vm->getLocationFlags();
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if (a->_yesFlags & kFlagsGlobal)
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flags = _globalFlags | kFlagsGlobal;
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return ((a->_yesFlags & flags) == a->_yesFlags) && ((a->_noFlags & ~flags) == a->_noFlags);
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}
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bool DialogueManager::displayAnswers() {
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addVisibleAnswers(_q);
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if (_numVisAnswers == 0) {
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return false;
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}
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// create balloons
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int id;
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for (int i = 0; i < _numVisAnswers; ++i) {
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id = _vm->_balloonMan->setDialogueBalloon(_visAnswers[i]._a->_text.c_str(), 1, BalloonManager::kUnselectedColor);
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assert(id >= 0);
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_visAnswers[i]._balloon = id;
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}
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int mood = 0;
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if (_numVisAnswers == 1) {
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mood = _visAnswers[0]._a->_mood & 0xF;
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_vm->_balloonMan->setBalloonText(_visAnswers[0]._balloon, _visAnswers[0]._a->_text.c_str(), BalloonManager::kNormalColor);
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} else
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if (_numVisAnswers > 1) {
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mood = _visAnswers[0]._a->_mood & 0xF;
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_oldSelection = -1;
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_selection = 0;
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}
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_faceId = _vm->_gfx->setItem(_answerer, _ballonPos._answerChar.x, _ballonPos._answerChar.y);
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_vm->_gfx->setItemFrame(_faceId, mood);
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return true;
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}
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int16 DialogueManager::selectAnswer1() {
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if (!_visAnswers[0]._a->_text.compareToIgnoreCase("null")) {
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return _visAnswers[0]._index;
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}
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if (_mouseButtons == kMouseLeftUp) {
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return _visAnswers[0]._index;
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}
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return -1;
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}
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int16 DialogueManager::selectAnswerN() {
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_selection = _vm->_balloonMan->hitTestDialogueBalloon(_mousePos.x, _mousePos.y);
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if (_selection != _oldSelection) {
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if (_oldSelection != -1) {
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_vm->_balloonMan->setBalloonText(_visAnswers[_oldSelection]._balloon, _visAnswers[_oldSelection]._a->_text.c_str(), BalloonManager::kUnselectedColor);
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}
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if (_selection != -1) {
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_vm->_balloonMan->setBalloonText(_visAnswers[_selection]._balloon, _visAnswers[_selection]._a->_text.c_str(), BalloonManager::kSelectedColor);
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_vm->_gfx->setItemFrame(_faceId, _visAnswers[_selection]._a->_mood & 0xF);
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}
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}
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_oldSelection = _selection;
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if ((_mouseButtons == kMouseLeftUp) && (_selection != -1)) {
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return _visAnswers[_selection]._index;
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}
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return -1;
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}
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bool DialogueManager::displayQuestion() {
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if (!_q->_text.compareToIgnoreCase("NULL")) return false;
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_vm->_balloonMan->setSingleBalloon(_q->_text.c_str(), _ballonPos._questionBalloon.x, _ballonPos._questionBalloon.y, _q->_mood & 0x10, BalloonManager::kNormalColor);
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_faceId = _vm->_gfx->setItem(_questioner, _ballonPos._questionChar.x, _ballonPos._questionChar.y);
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_vm->_gfx->setItemFrame(_faceId, _q->_mood & 0xF);
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return true;
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}
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void DialogueManager::runQuestion() {
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debugC(9, kDebugDialogue, "runQuestion\n");
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if (_mouseButtons == kMouseLeftUp) {
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_vm->_gfx->freeDialogueObjects();
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_state = NEXT_ANSWER;
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}
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}
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void DialogueManager::nextAnswer() {
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debugC(9, kDebugDialogue, "nextAnswer\n");
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if (_q->_answers[0] == NULL) {
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_state = DIALOGUE_OVER;
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return;
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}
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if (!_q->_answers[0]->_text.compareToIgnoreCase("NULL")) {
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_answerId = 0;
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_state = NEXT_QUESTION;
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return;
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}
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_state = displayAnswers() ? RUN_ANSWER : DIALOGUE_OVER;
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}
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void DialogueManager::runAnswer() {
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debugC(9, kDebugDialogue, "runAnswer\n");
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_answerId = selectAnswer();
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if (_answerId != -1) {
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_cmdList = &_q->_answers[_answerId]->_commands;
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_vm->_gfx->freeDialogueObjects();
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_state = NEXT_QUESTION;
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}
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}
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void DialogueManager::nextQuestion() {
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debugC(9, kDebugDialogue, "nextQuestion\n");
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_q = _dialogue->findQuestion(_q->_answers[_answerId]->_followingName);
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if (_q == 0) {
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_state = DIALOGUE_OVER;
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} else {
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_state = displayQuestion() ? RUN_QUESTION : NEXT_ANSWER;
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}
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}
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void DialogueManager::run() {
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// cache event data
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_mouseButtons = _vm->_input->getLastButtonEvent();
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_vm->_input->getCursorPos(_mousePos);
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_isKeyDown = _vm->_input->getLastKeyDown(_downKey);
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switch (_state) {
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case RUN_QUESTION:
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runQuestion();
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break;
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case NEXT_ANSWER:
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nextAnswer();
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break;
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case NEXT_QUESTION:
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nextQuestion();
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break;
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case RUN_ANSWER:
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runAnswer();
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break;
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case DIALOGUE_OVER:
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break;
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default:
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error("unknown state in DialogueManager");
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}
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}
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class DialogueManager_ns : public DialogueManager {
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protected:
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Parallaction_ns *_vm;
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bool _passwordChanged;
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bool _askPassword;
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bool checkPassword() {
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return ((!scumm_stricmp(_vm->_char.getBaseName(), _doughName) && _vm->_password.hasPrefix("1732461")) ||
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(!scumm_stricmp(_vm->_char.getBaseName(), _donnaName) && _vm->_password.hasPrefix("1622")) ||
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(!scumm_stricmp(_vm->_char.getBaseName(), _dinoName) && _vm->_password.hasPrefix("179")));
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}
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void resetPassword() {
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_vm->_password.clear();
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_passwordChanged = true;
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}
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void accumPassword(uint16 ascii) {
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if (!isdigit(ascii)) {
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return;
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}
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_vm->_password += ascii;
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_passwordChanged = true;
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}
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int16 askPassword() {
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if (_isKeyDown) {
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accumPassword(_downKey);
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}
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if (_passwordChanged) {
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_vm->_balloonMan->setBalloonText(_visAnswers[0]._balloon, _visAnswers[0]._a->_text.c_str(), BalloonManager::kNormalColor);
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_passwordChanged = false;
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}
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if ((_vm->_password.size() == MAX_PASSWORD_LENGTH) || ((_isKeyDown) && (_downKey == Common::KEYCODE_RETURN))) {
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if (checkPassword()) {
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return 0;
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} else {
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resetPassword();
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}
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}
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return -1;
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}
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public:
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DialogueManager_ns(Parallaction_ns *vm, ZonePtr z) : DialogueManager(vm, z), _vm(vm) {
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_ballonPos = _balloonPositions_NS;
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}
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bool canDisplayAnswer(Answer *a) {
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return testAnswerFlags(a);
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}
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virtual void addVisibleAnswers(Question *q) {
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_askPassword = false;
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_numVisAnswers = 0;
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for (int i = 0; i < NUM_ANSWERS && q->_answers[i]; i++) {
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Answer *a = q->_answers[i];
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if (!canDisplayAnswer(a)) {
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continue;
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}
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if (a->_text.contains("%P")) {
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_askPassword = true;
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}
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_visAnswers[_numVisAnswers]._a = a;
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_visAnswers[_numVisAnswers]._index = i;
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_numVisAnswers++;
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}
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resetPassword();
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}
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virtual int16 selectAnswer() {
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int ans = -1;
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if (_askPassword) {
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ans = askPassword();
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} else
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if (_numVisAnswers == 1) {
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ans = selectAnswer1();
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} else {
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ans = selectAnswerN();
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}
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return ans;
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}
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};
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class DialogueManager_br : public DialogueManager {
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Parallaction_br *_vm;
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public:
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DialogueManager_br(Parallaction_br *vm, ZonePtr z) : DialogueManager(vm, z), _vm(vm) {
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_ballonPos = _balloonPositions_BR;
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}
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bool canDisplayAnswer(Answer *a) {
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if (!a)
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return false;
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if (a->_hasCounterCondition) {
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_vm->testCounterCondition(a->_counterName, a->_counterOp, a->_counterValue);
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return (_vm->getLocationFlags() & kFlagsTestTrue) != 0;
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}
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return testAnswerFlags(a);
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}
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virtual void addVisibleAnswers(Question *q) {
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_numVisAnswers = 0;
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for (int i = 0; i < NUM_ANSWERS && q->_answers[i]; i++) {
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Answer *a = q->_answers[i];
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if (!canDisplayAnswer(a)) {
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continue;
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}
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_visAnswers[_numVisAnswers]._a = a;
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_numVisAnswers++;
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}
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}
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virtual int16 selectAnswer() {
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int16 ans = -1;
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if (_numVisAnswers == 1) {
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ans = selectAnswer1();
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} else {
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ans = selectAnswerN();
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}
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return ans;
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}
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};
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void Parallaction::enterDialogueMode(ZonePtr z) {
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debugC(1, kDebugDialogue, "Parallaction::enterDialogueMode(%s)", z->u._filename.c_str());
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_dialogueMan = createDialogueManager(z);
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assert(_dialogueMan);
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_dialogueMan->start();
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_input->_inputMode = Input::kInputModeDialogue;
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}
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void Parallaction::exitDialogueMode() {
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debugC(1, kDebugDialogue, "Parallaction::exitDialogueMode()");
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_input->_inputMode = Input::kInputModeGame;
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/* Since the current instance of _dialogueMan must be destroyed before the
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zone commands are executed, as they may create a new instance of _dialogueMan that
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would overwrite the current, we need to save the references to the command lists.
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*/
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CommandList *_cmdList = _dialogueMan->_cmdList;
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ZonePtr z = _dialogueMan->_z;
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// destroy the _dialogueMan here
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delete _dialogueMan;
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_dialogueMan = 0;
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// run the lists saved
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if (_cmdList) {
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_cmdExec->run(*_cmdList);
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}
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_cmdExec->run(z->_commands, z);
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}
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void Parallaction::runDialogueFrame() {
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if (_input->_inputMode != Input::kInputModeDialogue) {
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return;
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}
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_dialogueMan->run();
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if (_dialogueMan->isOver()) {
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exitDialogueMode();
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}
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return;
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}
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DialogueManager *Parallaction_ns::createDialogueManager(ZonePtr z) {
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return new DialogueManager_ns(this, z);
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}
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DialogueManager *Parallaction_br::createDialogueManager(ZonePtr z) {
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return new DialogueManager_br(this, z);
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}
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} // namespace Parallaction
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