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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "sci/sci.h"
#include "sci/engine/state.h"
#include "sci/engine/tts.h"
#include "common/system.h"
#include "common/text-to-speech.h"
#include "common/config-manager.h"
namespace Sci {
SciTTS::SciTTS() : _curMessage("") {
_ttsMan = ConfMan.getBool("tts_enabled") ? g_system->getTextToSpeechManager() : nullptr;
if (_ttsMan != nullptr) {
_ttsMan->setLanguage(ConfMan.get("language"));
_ttsMan->enable(true);
}
}
void SciTTS::button(const Common::String &text) {
if (_ttsMan != nullptr && shouldPerformTTS(text))
_ttsMan->say(getMessage(text), Common::TextToSpeechManager::QUEUE_NO_REPEAT);
}
void SciTTS::text(const Common::String &text) {
if (_ttsMan != nullptr && shouldPerformTTS(text))
_ttsMan->say(getMessage(text), Common::TextToSpeechManager::INTERRUPT);
}
void SciTTS::stop() {
if (_ttsMan != nullptr)
_ttsMan->stop();
}
void SciTTS::setMessage(const Common::String &text) {
if (text.size() > 0)
_curMessage = text;
}
Common::String SciTTS::getMessage(const Common::String &text) {
Common::String message = text;
// If the current message contains a substring of the text to be displayed,
// minus the first letter, prefer the message instead. The first letter is
// chopped off in messages in games such as KQ6 and is replaced with tabs in
// KQ6 or spaces in KQ5, so that a calligraphic first letter is drawn instead.
if (_curMessage.size() > 0 && text.size() > 0 && text.hasSuffix(_curMessage.substr(1)))
message = _curMessage;
// Strip color code characters in SCI1.1
if (getSciVersion() == SCI_VERSION_1_1) {
int32 index = message.find('|');
while (index >= 0) {
do {
message.deleteChar(index);
} while (message.size() > 0 && message[index] != '|');
if (message.size() > 0)
message.deleteChar(index);
index = message.find('|');
}
}
return message;
}
bool SciTTS::shouldPerformTTS(const Common::String &message) const {
SciGameId gameId = g_sci->getGameId();
uint16 roomNumber = g_sci->getEngineState()->currentRoomNumber();
// Check if it's an actual message, by checking for the
// existence of any vowel.
// For example, when talking to the alien in SQ5 room 500, a
// series of symbols is shown, as part of a joke.
if (!message.contains('a') &&
!message.contains('e') &&
!message.contains('i') &&
!message.contains('o') &&
!message.contains('u'))
return false;
// Skip TTS for QFG4 room 140 (character creation screen).
if (gameId == GID_QFG4 && roomNumber == 140)
return false;
return true;
}
} // End of namespace Sci
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