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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef STARK_SERVICES_DIALOG_PLAYER_H
#define STARK_SERVICES_DIALOG_PLAYER_H
#include "common/array.h"
#include "engines/stark/resources/dialog.h"
namespace Stark {
namespace Resources {
class Speech;
}
/**
* Dialog player
*
* Handles the state of the currently running dialog, and implements the
* associated logic.
*/
class DialogPlayer {
public:
DialogPlayer();
virtual ~DialogPlayer();
enum OptionType {
kOptionTypeAsk = 0
};
struct Option {
uint32 _type;
Common::String _caption;
Resources::Dialog::Topic *_topic;
int32 _replyIndex;
};
/** Enter a dialog */
void run(Resources::Dialog *dialog);
/** Play a one-shot sentence */
void playSingle(Resources::Speech *speech);
/** Check if a dialog is running */
bool isRunning();
/** Update the currently running dialog */
void update();
/** Select a dialog option */
void selectOption(uint32 index);
/** Can a speech be played? */
bool isSpeechReady() const;
/** Return the speech to be played */
Resources::Speech *acquireReadySpeech();
/** Does the player need to choose between options? */
bool areOptionsAvailable() const;
/** List the currently available dialog options */
Common::Array<DialogPlayer::Option> listOptions() const;
/** Resume the dialog after it was interrupted to run a script */
void resume(Resources::Dialog *dialog);
/** Clear the currently running dialog */
void reset();
protected:
/** Build a list of available dialog options */
void buildOptions();
/** Removes the last only option from the options list */
void removeLastOnlyOption();
/** Initiate the next action after the end of a reply */
void onReplyEnd();
void saveToInterruptionSlot();
void restoreFromInterruptionSlot();
Resources::Dialog *_currentDialog;
Resources::Dialog::Reply *_currentReply;
Resources::Dialog *_interruptedDialog;
Resources::Dialog::Reply *_interruptedReply;
Resources::Speech *_singleSpeech;
bool _speechReady;
bool _optionsAvailable;
Common::Array<Option> _options;
};
} // End of namespace Stark
#endif // STARK_SERVICES_DIALOG_PLAYER_H
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