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text_v1.cpp

/* 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 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://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-11-1/engines/kyra/text_v1.cpp $
 * $Id: text_v1.cpp 30944 2008-02-23 22:50:18Z sev $
 *
 */
 
#include "kyra/kyra_v1.h"
#include "kyra/screen_v1.h"
#include "kyra/text.h"
#include "kyra/animator_v1.h"
#include "kyra/sprites.h"
#include "kyra/timer.h"

namespace Kyra {

void KyraEngine_v1::waitForChatToFinish(int vocFile, int16 chatDuration, const char *chatStr, uint8 charNum) {
      debugC(9, kDebugLevelMain, "KyraEngine_v1::waitForChatToFinish(%i, %s, %i)", chatDuration, chatStr, charNum); 
      bool hasUpdatedNPCs = false;
      bool runLoop = true;
      bool drawText = textEnabled();
      uint8 currPage;
      Common::Event event;

      //while (towns_isEscKeyPressed() )
            //towns_getKey();

      uint32 timeToEnd = strlen(chatStr) * 8 * _tickLength + _system->getMillis();

      if (_configVoice == 0 && chatDuration != -1) {
            switch (_configTextspeed) {
            case 0:
                  chatDuration *= 2;
                  break;
            case 2:
                  chatDuration /= 4;
                  break;
            case 3:
                  chatDuration = -1;
                  break;
            }
      }

      if (chatDuration != -1)
            chatDuration *= _tickLength;

      if (vocFile != -1) {
            snd_voiceWaitForFinish();
            snd_playVoiceFile(vocFile);
      }

      _timer->disable(14);
      _timer->disable(18);
      _timer->disable(19);

      uint32 timeAtStart = _system->getMillis();
      uint32 loopStart;
      while (runLoop) {
            loopStart = _system->getMillis();
            if (_currentCharacter->sceneId == 210)
                  if (seq_playEnd())
                        break;

            if (_system->getMillis() > timeToEnd && !hasUpdatedNPCs) {
                  hasUpdatedNPCs = true;
                  _timer->disable(15);
                  _currHeadShape = 4;
                  _animator->animRefreshNPC(0);
                  _animator->animRefreshNPC(_talkingCharNum);

                  if (_charSayUnk2 != -1) {
                        _animator->sprites()[_charSayUnk2].active = 0;
                        _sprites->_anims[_charSayUnk2].play = false;
                        _charSayUnk2 = -1;
                  }
            }

            _timer->update();
            _sprites->updateSceneAnims();
            _animator->restoreAllObjectBackgrounds();
            _animator->preserveAnyChangedBackgrounds();
            _animator->prepDrawAllObjects();

            if (drawText) {
                  currPage = _screen->_curPage;
                  _screen->_curPage = 2;
                  _text->printCharacterText(chatStr, charNum, _characterList[charNum].x1);
                  _animator->_updateScreen = true;
                  _screen->_curPage = currPage;
            }

            _animator->copyChangedObjectsForward(0);
            updateTextFade();

            if ((chatDuration < (int16)(_system->getMillis() - timeAtStart)) && chatDuration != -1 && (!drawText || !snd_voiceIsPlaying()))
                  break;

            uint32 nextTime = loopStart + _tickLength; 
            
            while (_system->getMillis() < nextTime) {
                  while (_eventMan->pollEvent(event)) {
                        switch (event.type) {
                        case Common::EVENT_KEYDOWN:
                              if (event.kbd.keycode == '.')
                                    _skipFlag = true;
                              break;
                        case Common::EVENT_QUIT:
                              quitGame();
                              runLoop = false;
                              break;
                        case Common::EVENT_LBUTTONDOWN:
                              runLoop = false;
                              break;
                        default:
                              break;
                        }
                  }
            
                  if (nextTime - _system->getMillis() >= 10) {
                        _system->delayMillis(10);
                        _system->updateScreen();
                  }
            }

            if (_skipFlag)
                  runLoop = false;
      }

      snd_voiceWaitForFinish();
      snd_stopVoice();

      _timer->enable(14);
      _timer->enable(15);
      _timer->enable(18);
      _timer->enable(19);
      //clearKyrandiaButtonIO();
}

void KyraEngine_v1::endCharacterChat(int8 charNum, int16 convoInitialized) {
      _charSayUnk3 = -1;

      if (charNum > 4 && charNum < 11) {
            //TODO: weird _game_inventory stuff here
            warning("STUB: endCharacterChat() for high charnums");
      }

      if (convoInitialized != 0) {
            _talkingCharNum = -1;
            if (_currentCharacter->currentAnimFrame != 88)
                  _currentCharacter->currentAnimFrame = 7;
            _animator->animRefreshNPC(0);
            _animator->updateAllObjectShapes();
      }
}

void KyraEngine_v1::restoreChatPartnerAnimFrame(int8 charNum) {
      _talkingCharNum = -1;

      if (charNum > 0 && charNum < 5) {
            _characterList[charNum].currentAnimFrame = _currentChatPartnerBackupFrame;
            _animator->animRefreshNPC(charNum);
      }

      if (_currentCharacter->currentAnimFrame != 88)
            _currentCharacter->currentAnimFrame = 7;

      _animator->animRefreshNPC(0);
      _animator->updateAllObjectShapes();
}

void KyraEngine_v1::backupChatPartnerAnimFrame(int8 charNum) {
      _talkingCharNum = 0;

      if (charNum < 5 && charNum > 0) 
            _currentChatPartnerBackupFrame = _characterList[charNum].currentAnimFrame;

      if (_currentCharacter->currentAnimFrame != 88) {
            _currentCharacter->currentAnimFrame = 16;
            if (_scaleMode != 0)
                  _currentCharacter->currentAnimFrame = 7;
      }

      _animator->animRefreshNPC(0);
      _animator->updateAllObjectShapes();
}

int8 KyraEngine_v1::getChatPartnerNum() {
      uint8 sceneTable[] = {0x2, 0x5, 0x2D, 0x7, 0x1B, 0x8, 0x22, 0x9, 0x30, 0x0A};
      int pos = 0;
      int partner = -1;

      for (int i = 1; i < 6; i++) {
            if (_currentCharacter->sceneId == sceneTable[pos]) {
                  partner = sceneTable[pos+1];
                  break;
            }
            pos += 2;
      }

      for (int i = 1; i < 5; i++) {
            if (_characterList[i].sceneId == _currentCharacter->sceneId) {
                  partner = i;
                  break;
            }
      }
      return partner;
}

int KyraEngine_v1::initCharacterChat(int8 charNum) {
      int returnValue = 0;

      if (_talkingCharNum == -1) {
            returnValue = 1;
            _talkingCharNum = 0;
            
            if (_currentCharacter->currentAnimFrame != 88) {
                  _currentCharacter->currentAnimFrame = 16;
                  if (_scaleMode != 0)
                        _currentCharacter->currentAnimFrame = 7;
            }

            _animator->animRefreshNPC(0);
            _animator->updateAllObjectShapes();
      }

      _charSayUnk2 = -1;
      _animator->flagAllObjectsForBkgdChange();
      _animator->restoreAllObjectBackgrounds();

      if (charNum > 4 && charNum < 11) {
            // TODO: Fill in weird _game_inventory stuff here
            warning("STUB: initCharacterChat() for high charnums");
      }

      _animator->flagAllObjectsForRefresh();
      _animator->flagAllObjectsForBkgdChange();
      _animator->preserveAnyChangedBackgrounds();
      _charSayUnk3 = charNum;

      return returnValue;
}

void KyraEngine_v1::characterSays(int vocFile, const char *chatStr, int8 charNum, int8 chatDuration) {
      debugC(9, kDebugLevelMain, "KyraEngine_v1::characterSays('%s', %i, %d)", chatStr, charNum, chatDuration);
      uint8 startAnimFrames[] =  { 0x10, 0x32, 0x56, 0x0, 0x0, 0x0 };

      uint16 chatTicks;
      int16 convoInitialized;
      int8 chatPartnerNum;

      if (_currentCharacter->sceneId == 210)
            return;

      convoInitialized = initCharacterChat(charNum);  
      chatPartnerNum = getChatPartnerNum();

      if (chatPartnerNum >= 0 && chatPartnerNum < 5)
            backupChatPartnerAnimFrame(chatPartnerNum);

      if (charNum < 5) {
            _characterList[charNum].currentAnimFrame = startAnimFrames[charNum];
            _charSayUnk3 = charNum;
            _talkingCharNum = charNum;
            _animator->animRefreshNPC(charNum);
      }

      char *processedString = _text->preprocessString(chatStr);
      int lineNum = _text->buildMessageSubstrings(processedString);

      int16 yPos = _characterList[charNum].y1;
      yPos -= ((_scaleTable[yPos] * _characterList[charNum].height) >> 8);
      yPos -= 8;
      yPos -= lineNum * 10;

      if (yPos < 11)
            yPos = 11;

      if (yPos > 100)
            yPos = 100;

      _text->_talkMessageY = yPos;
      _text->_talkMessageH = lineNum * 10;
      
      if (textEnabled()) {
            _animator->restoreAllObjectBackgrounds();

            _screen->copyRegion(12, _text->_talkMessageY, 12, 136, 296, _text->_talkMessageH, 2, 2);
            _screen->hideMouse();

            _text->printCharacterText(processedString, charNum, _characterList[charNum].x1);
            _screen->showMouse();
      }

      if (chatDuration == -2)
            chatTicks = strlen(processedString) * 9;
      else
            chatTicks = chatDuration;

      if (!speechEnabled())
            vocFile = -1;
      waitForChatToFinish(vocFile, chatTicks, chatStr, charNum);

      if (textEnabled()) {
            _animator->restoreAllObjectBackgrounds();

            _screen->copyRegion(12, 136, 12, _text->_talkMessageY, 296, _text->_talkMessageH, 2, 2);
            _animator->preserveAllBackgrounds();
            _animator->prepDrawAllObjects();
            _screen->hideMouse();

            _screen->copyRegion(12, _text->_talkMessageY, 12, _text->_talkMessageY, 296, _text->_talkMessageH, 2, 0);
            _screen->showMouse();
            _animator->flagAllObjectsForRefresh();
            _animator->copyChangedObjectsForward(0);
      }

      if (chatPartnerNum != -1 && chatPartnerNum < 5)
            restoreChatPartnerAnimFrame(chatPartnerNum);

      endCharacterChat(charNum, convoInitialized);
}

void KyraEngine_v1::drawSentenceCommand(const char *sentence, int color) {
      debugC(9, kDebugLevelMain, "KyraEngine_v1::drawSentenceCommand('%s', %i)", sentence, color);
      _screen->hideMouse();
      _screen->fillRect(8, 143, 311, 152, 12);

      if (_startSentencePalIndex != color || _fadeText != false) {
            _currSentenceColor[0] = _screen->_currentPalette[765] = _screen->_currentPalette[color*3];
            _currSentenceColor[1] = _screen->_currentPalette[766] = _screen->_currentPalette[color*3+1];
            _currSentenceColor[2] = _screen->_currentPalette[767] = _screen->_currentPalette[color*3+2];
      
            _screen->setScreenPalette(_screen->_currentPalette);
            _startSentencePalIndex = 0;
      }

      _text->printText(sentence, 8, 143, 0xFF, 12, 0);
      _screen->showMouse();
      setTextFadeTimerCountdown(15);
      _fadeText = false;
}

void KyraEngine_v1::updateSentenceCommand(const char *str1, const char *str2, int color) {
      debugC(9, kDebugLevelMain, "KyraEngine_v1::updateSentenceCommand('%s', '%s', %i)", str1, str2, color);
      char sentenceCommand[500];
      strncpy(sentenceCommand, str1, 500);
      if (str2)
            strncat(sentenceCommand, str2, 500 - strlen(sentenceCommand));

      drawSentenceCommand(sentenceCommand, color);
      _screen->updateScreen();
}

void KyraEngine_v1::updateTextFade() {
      debugC(9, kDebugLevelMain, "KyraEngine_v1::updateTextFade()");
      if (!_fadeText)
            return;
      
      bool finished = false;
      for (int i = 0; i < 3; i++) {
            if (_currSentenceColor[i] > 4)
                  _currSentenceColor[i] -= 4;
            else
                  if (_currSentenceColor[i]) {
                        _currSentenceColor[i] = 0;
                        finished = true;
                  }
      }
      
      _screen->_currentPalette[765] = _currSentenceColor[0];
      _screen->_currentPalette[766] = _currSentenceColor[1];
      _screen->_currentPalette[767] = _currSentenceColor[2];
      _screen->setScreenPalette(_screen->_currentPalette);

      if (finished) {
            _fadeText = false;
            _startSentencePalIndex = -1;
      }
}

} // end of namespace Kyra

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