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timer.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 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/kyra/timer.cpp $
 * $Id: timer.cpp 21145 2006-03-08 13:15:13Z vinterstum $
 *
 */

#include "kyra/kyra.h"
#include "kyra/screen.h"
#include "kyra/animator.h"

#include "common/system.h"

namespace Kyra {
void KyraEngine::setupTimers() {
      debugC(9, kDebugLevelMain, "KyraEngine::setupTimers()");
      memset(_timers, 0, sizeof(_timers));

      for (int i = 0; i < 34; i++)
            _timers[i].active = 1;

      _timers[0].func = _timers[1].func = _timers[2].func = _timers[3].func = _timers[4].func = 0; //Unused.
      _timers[5].func = _timers[6].func = _timers[7].func = _timers[8].func = _timers[9].func = 0; //_nullsub51;
      _timers[10].func = _timers[11].func = _timers[12].func = _timers[13].func = 0; //_nullsub50;
      _timers[14].func = &KyraEngine::timerCheckAnimFlag2; //_nullsub52;
      _timers[15].func = &KyraEngine::timerUpdateHeadAnims; //_nullsub48;
      _timers[16].func = &KyraEngine::timerSetFlags1; //_nullsub47;
      _timers[17].func = 0; //sub_15120;
      _timers[18].func = &KyraEngine::timerCheckAnimFlag1; //_nullsub53;
      _timers[19].func = &KyraEngine::timerRedrawAmulet; //_nullsub54;
      _timers[20].func = 0; //offset _timerDummy1
      _timers[21].func = 0; //sub_1517C; 
      _timers[22].func = 0; //offset _timerDummy2
      _timers[23].func = 0; //offset _timerDummy3, 
      _timers[24].func = 0; //_nullsub45;
      _timers[25].func = 0; //offset _timerDummy4
      _timers[26].func = 0; //_nullsub46;
      _timers[27].func = 0; //offset _timerDummy5, 
      _timers[28].func = 0; //offset _timerDummy6
      _timers[29].func = 0; //offset _timerDummy7, 
      _timers[30].func = 0; //offset _timerDummy8, 
      _timers[31].func = &KyraEngine::timerFadeText; //sub_151F8;
      _timers[32].func = &KyraEngine::updateAnimFlag1; //_nullsub61;
      _timers[33].func = &KyraEngine::updateAnimFlag2; //_nullsub62;

      _timers[0].countdown = _timers[1].countdown = _timers[2].countdown = _timers[3].countdown = _timers[4].countdown = -1;
      _timers[5].countdown = 5;
      _timers[6].countdown = 7;
      _timers[7].countdown = 8;
      _timers[8].countdown = 9;
      _timers[9].countdown = 7;
      _timers[10].countdown = _timers[11].countdown = _timers[12].countdown = _timers[13].countdown = 420;
      _timers[14].countdown = 600;
      _timers[15].countdown = 11;
      _timers[16].countdown = _timers[17].countdown = 7200;
      _timers[18].countdown = _timers[19].countdown = 600;
      _timers[20].countdown = 7200;
      _timers[21].countdown = 18000;
      _timers[22].countdown = 7200;
      _timers[23].countdown = _timers[24].countdown = _timers[25].countdown = _timers[26].countdown = _timers[27].countdown = 10800;
      _timers[28].countdown = 21600;
      _timers[29].countdown = 7200;
      _timers[30].countdown = 10800;
      _timers[31].countdown = -1;
      _timers[32].countdown = 9;
      _timers[33].countdown = 3;
}

void KyraEngine::updateGameTimers() {
      debugC(9, kDebugLevelMain, "KyraEngine::updateGameTimers()");
      
      if (_system->getMillis() < _timerNextRun)
            return;

      _timerNextRun += 99999;

      for (int i = 0; i < 34; i++) {
            if (_timers[i].active && _timers[i].countdown > -1) {
                  if (_timers[i].nextRun <=_system->getMillis()) {
                        if (i > 4 && _timers[i].func)
                              (*this.*_timers[i].func)(i);

                        _timers[i].nextRun = _system->getMillis() + _timers[i].countdown * _tickLength;
                  }
            }
            if (_timers[i].nextRun < _timerNextRun)
                  _timerNextRun = _timers[i].nextRun;
      }
}

void KyraEngine::clearNextEventTickCount() {
      debugC(9, kDebugLevelMain, "KyraEngine::clearNextEventTickCount()");
      _timerNextRun = 0;
}

void KyraEngine::setTimerDelay(uint8 timer, int32 countdown) {
      debugC(9, kDebugLevelMain, "KyraEngine::setTimerDelay(%i, %d)", timer, countdown);
      _timers[timer].countdown = countdown;
}

int16 KyraEngine::getTimerDelay(uint8 timer) {
      debugC(9, kDebugLevelMain, "KyraEngine::getTimerDelay(%i)", timer);
      return _timers[timer].countdown;
}

void KyraEngine::setTimerCountdown(uint8 timer, int32 countdown) {
      debugC(9, kDebugLevelMain, "KyraEngine::setTimerCountdown(%i, %i)", timer, countdown);
      _timers[timer].countdown = countdown;
      _timers[timer].nextRun = _system->getMillis() + countdown * _tickLength;

      uint32 nextRun = _system->getMillis() + countdown * _tickLength;
      if (nextRun < _timerNextRun)
            _timerNextRun = nextRun;
}

void KyraEngine::enableTimer(uint8 timer) {
      debugC(9, kDebugLevelMain, "KyraEngine::enableTimer(%i)", timer);
      _timers[timer].active = 1;
}

void KyraEngine::disableTimer(uint8 timer) {
      debugC(9, kDebugLevelMain, "KyraEngine::disableTimer(%i)", timer);
      _timers[timer].active = 0;
}

void KyraEngine::timerUpdateHeadAnims(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerUpdateHeadAnims(%i)", timerNum);
      static int8 currentFrame = 0;
      static const int8 frameTable[] = {4, 5, 4, 5, 4, 5, 0, 1, 4, 5,
                                                4, 4, 6, 4, 8, 1, 9, 4, -1};

      if (_talkingCharNum < 0)
            return;

      _currHeadShape = frameTable[currentFrame];
      currentFrame++;

      if (frameTable[currentFrame] == -1)
            currentFrame = 0;

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

void KyraEngine::timerSetFlags1(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerSetFlags(%i)", timerNum);
      if (_currentCharacter->sceneId == 0x1C)
            return;

      int rndNr = _rnd.getRandomNumberRng(0, 3);

      for (int i = 0; i < 4; i++) {
            if (!queryGameFlag(rndNr + 17)) {
                  setGameFlag(rndNr + 17);
                  break;
            } else {
                  rndNr++;
                  if (rndNr > 3)
                        rndNr = 0;
            }
      }
}

void KyraEngine::timerFadeText(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerFadeText(%i)", timerNum);
      _fadeText = true;
}

void KyraEngine::updateAnimFlag1(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::updateAnimFlag1(%d)", timerNum);
      if (_brandonStatusBit & 2) {
            _brandonStatusBit0x02Flag = 1;
      }
}

void KyraEngine::updateAnimFlag2(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::updateAnimFlag2(%d)", timerNum);
      if (_brandonStatusBit & 0x20) {
            _brandonStatusBit0x20Flag = 1;
      }
}

void KyraEngine::setTextFadeTimerCountdown(int16 countdown) {
      debugC(9, kDebugLevelMain, "KyraEngine::setTextFadeTimerCountdown(%i)", countdown);
      //if (countdown == -1)
            //countdown = 32000;

      setTimerCountdown(31, countdown*60);
}

void KyraEngine::timerSetFlags2(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerSetFlags2(%i)", timerNum);
      if (!((uint32*)(_flagsTable+0x2D))[timerNum])
            ((uint32*)(_flagsTable+0x2D))[timerNum] = 1;    
}

void KyraEngine::timerCheckAnimFlag1(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerCheckAnimFlag1(%i)", timerNum);
      if (_brandonStatusBit & 0x20) {
            checkAmuletAnimFlags();
            setTimerCountdown(18, -1);
      }
}

void KyraEngine::timerCheckAnimFlag2(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerCheckAnimFlag1(%i)", timerNum);
      if (_brandonStatusBit & 0x2) {
            checkAmuletAnimFlags();
            setTimerCountdown(14, -1);
      }
}

void KyraEngine::checkAmuletAnimFlags() {
      debugC(9, kDebugLevelMain, "KyraEngine::checkSpecialAnimFlags()");
      if (_brandonStatusBit & 2) {
            seq_makeBrandonNormal2();
            setTimerCountdown(19, 300);
      }

      if (_brandonStatusBit & 0x20) {
            seq_makeBrandonNormal();
            setTimerCountdown(19, 300);
      }
}

void KyraEngine::timerRedrawAmulet(int timerNum) {
      debugC(9, kDebugLevelMain, "KyraEngine::timerRedrawAmulet(%i)", timerNum);
      if (queryGameFlag(0xF1)) {
            drawAmulet();
            setTimerCountdown(19, -1);
      }
}

void KyraEngine::drawAmulet() {
      debugC(9, kDebugLevelMain, "KyraEngine::drawAmulet()");
      static const int16 amuletTable1[] = {0x167, 0x162, 0x15D, 0x158, 0x153, 0x150, 0x155, 0x15A, 0x15F, 0x164, 0x145, -1};
      static const int16 amuletTable3[] = {0x167, 0x162, 0x15D, 0x158, 0x153, 0x14F, 0x154, 0x159, 0x15E, 0x163, 0x144, -1};
      static const int16 amuletTable2[] = {0x167, 0x162, 0x15D, 0x158, 0x153, 0x152, 0x157, 0x15C, 0x161, 0x166, 0x147, -1};
      static const int16 amuletTable4[] = {0x167, 0x162, 0x15D, 0x158, 0x153, 0x151, 0x156, 0x15B, 0x160, 0x165, 0x146, -1};

      resetGameFlag(0xF1);
      _screen->hideMouse();

      int i = 0;
      while (amuletTable1[i] != -1) {
            if (queryGameFlag(87))
                  _screen->drawShape(0, _shapes[4+amuletTable1[i]], _amuletX[0], _amuletY[0], 0, 0);

            if (queryGameFlag(89))
                  _screen->drawShape(0, _shapes[4+amuletTable2[i]], _amuletX[1], _amuletY[1], 0, 0);

            if (queryGameFlag(86))
                  _screen->drawShape(0, _shapes[4+amuletTable3[i]], _amuletX[2], _amuletY[2], 0, 0);

            if (queryGameFlag(88))
                  _screen->drawShape(0, _shapes[4+amuletTable4[i]], _amuletX[3], _amuletY[3], 0, 0);

            _screen->updateScreen();
            delayWithTicks(3);
            i++;
      }
      _screen->showMouse();
}

void KyraEngine::setWalkspeed(uint8 newSpeed) {
      debugC(9, kDebugLevelMain, "KyraEngine::setWalkspeed(%i)", newSpeed);
      static const uint8 speeds[] = {11, 9, 6, 5, 3};

      assert(newSpeed < ARRAYSIZE(speeds));
      setTimerDelay(5, speeds[newSpeed]);
}

} // end of namespace Kyra


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