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scummvm/sky/intro.cpp

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "common/util.h"
#include "common/system.h"
#include "sky/disk.h"
#include "sky/intro.h"
#include "sky/music/musicbase.h"
#include "sky/screen.h"
#include "sky/sky.h"
#include "sky/sound.h"
#include "sky/struc.h"
#include "sky/text.h"
namespace Sky {
#ifdef MACOSX
// FIXME: DELAY is already defined in sys/param.h !
// Better fix would be to remove sys/param.h froms stdafx.h, or
// to change the name DELAY here to something else.
#undef DELAY
#endif
#define SHOWSCREEN 0
#define COMMANDEND 0 // end of COMMANDFLIRT block
#define FADEUP 1 // fade up palette
#define FADEDOWN 2
#define DELAY 3
#define DOFLIRT 4 // start flirt sequence (and wait for it to finish)
#define SCROLLFLIRT 5 // start special floppy intro flirt sequence (and wait for it)
#define COMMANDFLIRT 6 // start flirt sequence and wait for it, while processing command block
#define BGFLIRT 7 // start flirt sequence without waiting for it
#define WAITFLIRT 8 // wait for sequence started by BGFLIRT
#define STOPFLIRT 9
#define STARTMUSIC 10
#define WAITMUSIC 11
#define PLAYVOICE 12
#define WAITVOICE 13
#define LOADBG 14 // load new background sound
#define PLAYBG 15 // play background sound
#define LOOPBG 16 // loop background sound
#define STOPBG 17 // stop background sound
#define SEQEND 65535 // end of intro sequence
#define IC_PREPARE_TEXT 20 // commands used in COMMANDFLIRT block
#define IC_SHOW_TEXT 21
#define IC_REMOVE_TEXT 22
#define IC_MAKE_SOUND 23
#define IC_FX_VOLUME 24
#define FRAME_SIZE (GAME_SCREEN_WIDTH * GAME_SCREEN_HEIGHT)
#define INTRO_TEXT_WIDTH 128
//CD intro file defines
#define CDV_00 59500
#define CD_PAL 59501
#define CD_1_LOG 59502
#define CD_1 59503
#define CDV_01 59504
#define CDV_02 59505
#define CD_2 59506
#define CDV_03 59507
#define CDV_04 59508
#define CD_3 59509
#define CDV_05 59510
#define CDV_06 59511
#define CD_5 59512
#define CDV_07 59513
#define CDV_08 59514
#define CDV_09 59515
#define CD_7 59516
#define CDV_10 59518
#define CD_11 59519
#define CDV_11 59520
#define CD_11_PAL 59521
#define CD_11_LOG 59522
#define CDV_12 59523
#define CD_13 59524
#define CDV_13 59525
#define CDV_14 59527
#define CDV_15 59528
#define CD_15_PAL 59529
#define CD_15_LOG 59530
#define CDV_16 59531
#define CD_17_LOG 59532
#define CD_17 59533
#define CDV_17 59534
#define CDV_18 59535
#define CDV_19 59536
#define CD_19_PAL 59537
#define CD_19_LOG 59538
#define CDV_20 59539
#define CD_20_LOG 59540
#define CDV_21 59541
#define CD_21_LOG 59542
#define CDV_22 59545
#define CDV_23 59546
#define CD_23_PAL 59547
#define CD_24_LOG 59550
#define CDV_24 59551
#define CDV_25 59554
#define CDV_26 59556
#define CD_27 59557
#define CDV_27 59558
#define CD_27_PAL 59559
#define CD_27_LOG 59560
#define CDV_28 59561
#define CDV_29 59562
#define CDV_30 59563
#define CDV_31 59565
#define CDV_32 59566
#define CDV_33 59567
#define CDV_34 59568
#define CD_35 59569
#define CDV_35 59570
#define CD_35_PAL 59571
#define CD_35_LOG 59572
#define CDV_36 59574
#define CD_37 59575
#define CDV_37 59576
#define CD_37_PAL 59577
#define CD_37_LOG 59578
#define CDV_38 59579
#define CDV_39 59581
#define CDV_40 59583
#define CD_40_PAL 59584
#define CD_40_LOG 59585
#define CDV_41 59587
#define CDV_42 59588
#define CD_43 59589
#define CDV_43 59590
#define CD_43_PAL 59591
#define CD_43_LOG 59592
#define CDV_44 59594
#define CD_45 59595
#define CDV_45 59596
#define CD_45_PAL 59597
#define CD_45_LOG 59598
#define CDV_46 59600
#define CDV_47 59602
#define CD_47_PAL 59603
#define CD_47_LOG 59604
#define CD_48 59605
#define CDV_48 59606
#define CD_48_PAL 59607
#define CD_48_LOG 59608
#define CD_49 59609
#define CDV_49 59610
#define CD_50 59611
#define CDV_50 59612
#define CDV_51 59613
#define CDV_52 59614
#define CDV_53 59615
#define CDV_54 59616
#define CDV_55 59618
#define CD_55_PAL 59619
#define CD_55_LOG 59620
#define CDV_56 59621
#define CDV_57 59622
#define CD_58 59623
#define CDV_58 59624
#define CD_58_PAL 59625
#define CD_58_LOG 59626
#define CDV_59 59627
#define CDV_60 59628
#define CDV_61 59629
#define CDV_62 59630
#define CDV_63 59631
#define CDV_64 59632
#define CDV_65 59633
#define CDV_66 59635
#define CD_66_PAL 59636
#define CD_66_LOG 59637
#define CDV_67 59639
#define CD_67_PAL 59640
#define CD_67_LOG 59641
#define CDV_68 59642
#define CD_69 59643
#define CDV_69 59644
#define CD_69_PAL 59645
#define CD_69_LOG 59646
#define CDV_70 59647
#define CDV_71 59648
#define CDV_72 59649
#define CD_72_PAL 59650
#define CD_72_LOG 59651
#define CD_73_PAL 59652
#define CD_73_LOG 59653
#define CDV_73 59654
#define CDV_74 59655
#define CDV_75 59656
#define CD_76_PAL 59657
#define CD_76_LOG 59658
#define CDV_76 59659
#define CDV_77 59660
#define CD_78_PAL 59661
#define CD_78_LOG 59662
#define CDV_78 59663
#define CDV_79 59664
#define CDV_80 59665
#define CDV_81 59666
#define CDV_82 59667
#define CDV_83 59668
#define CDV_84 59669
#define CDV_85 59670
#define CDV_86 59671
#define CDV_87 59672
#define CD_100 60087
#define CD_101_LOG 60088
#define CD_101 60099
#define CD_102_LOG 60090
#define CD_102 60091
#define CD_103_PAL 60092
#define CD_103_LOG 60093
#define CD_103 60094
#define CD_104_PAL 60095
#define CD_104_LOG 60096
#define CD_104 60097
#define CD_105 60098
uint16 Intro::_mainIntroSeq[] = {
DELAY, 3000, // keep virgin screen up
FADEDOWN,
SHOWSCREEN, 60112, // revo screen + palette
FADEUP, 60113,
DELAY, 8000,
FADEDOWN,
SHOWSCREEN, 60114, // gibbo screen + palette
FADEUP, 60115,
DELAY, 2000,
FADEDOWN,
SEQEND
};
uint16 Intro::_cdIntroSeq[] = {
PLAYVOICE, 59500,
LOADBG, 59499,
LOOPBG,
WAITVOICE,
PLAYVOICE, 59504,
SHOWSCREEN, CD_1_LOG,
FADEUP, CD_PAL,
BGFLIRT, CD_1,
WAITVOICE,
PLAYVOICE, CDV_02,
WAITVOICE,
STOPFLIRT,
BGFLIRT, CD_2,
PLAYVOICE, CDV_03,
WAITVOICE,
PLAYVOICE, CDV_04,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_05,
DELAY, 2000,
BGFLIRT, CD_3,
WAITVOICE,
PLAYVOICE, CDV_06,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_07,
BGFLIRT, CD_5,
WAITVOICE,
PLAYVOICE, CDV_08,
WAITVOICE,
PLAYVOICE, CDV_09,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_10,
BGFLIRT, CD_7,
WAITVOICE,
PLAYVOICE, CDV_11,
WAITFLIRT,
FADEDOWN,
SHOWSCREEN, CD_11_LOG,
FADEUP, CD_11_PAL,
WAITVOICE,
PLAYVOICE, CDV_12,
DELAY, 1600,
BGFLIRT, CD_11,
WAITVOICE,
PLAYVOICE, CDV_13,
WAITVOICE,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_14,
LOADBG, 59498, // fade-in heli
PLAYBG,
DOFLIRT, CD_13,
WAITVOICE,
PLAYVOICE, CDV_15,
FADEDOWN,
SHOWSCREEN, CD_15_LOG,
FADEUP, CD_15_PAL,
WAITVOICE,
LOADBG, 59496, // quiet heli
LOOPBG,
PLAYVOICE, CDV_16,
WAITVOICE,
PLAYVOICE, CDV_17,
DELAY, 2000,
SHOWSCREEN, CD_17_LOG,
WAITVOICE,
BGFLIRT, CD_17,
PLAYVOICE, CDV_18,
LOADBG, 59497, // loud heli
LOOPBG,
WAITFLIRT,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_19_LOG,
FADEUP, CD_19_PAL,
PLAYVOICE, CDV_19,
WAITVOICE,
PLAYVOICE, CDV_20,
FADEDOWN,
SHOWSCREEN, CD_20_LOG,
FADEUP, CD_19_PAL,
WAITVOICE,
PLAYVOICE, CDV_21,
FADEDOWN,
SHOWSCREEN, CD_21_LOG,
FADEUP, CD_19_PAL,
WAITVOICE,
PLAYVOICE, CDV_22,
LOADBG, 59494, // heli whine
PLAYBG,
WAITVOICE,
PLAYVOICE, CDV_23,
FADEDOWN,
WAITVOICE,
SHOWSCREEN, CD_24_LOG,
FADEUP, CD_23_PAL,
PLAYVOICE, CDV_24,
WAITVOICE,
PLAYVOICE, CDV_25,
WAITVOICE,
PLAYVOICE, CDV_26,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_27_LOG,
FADEUP, CD_27_PAL,
PLAYVOICE, CDV_27,
WAITVOICE,
PLAYVOICE, CDV_29,
WAITVOICE,
PLAYVOICE, CDV_30,
WAITVOICE,
BGFLIRT, CD_27,
PLAYVOICE, CDV_31,
WAITVOICE,
PLAYVOICE, CDV_32,
WAITVOICE,
PLAYVOICE, CDV_33,
WAITVOICE,
PLAYVOICE, CDV_34,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_35,
WAITVOICE,
PLAYVOICE, CDV_36,
FADEDOWN,
SHOWSCREEN, CD_35_LOG,
FADEUP, CD_35_PAL,
WAITVOICE,
PLAYVOICE, CDV_37,
DOFLIRT, CD_35,
WAITVOICE,
PLAYVOICE, CDV_38,
DOFLIRT, CD_37,
WAITVOICE,
PLAYVOICE, CDV_39,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_40_LOG,
FADEUP, CD_40_PAL,
PLAYVOICE, CDV_40,
WAITVOICE,
PLAYVOICE, CDV_41,
WAITVOICE,
PLAYVOICE, CDV_42,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_43_LOG,
FADEUP, CD_43_PAL,
PLAYVOICE, CDV_43,
WAITVOICE,
DOFLIRT, CD_43,
PLAYVOICE, CDV_45,
FADEDOWN,
SHOWSCREEN, CD_45_LOG,
FADEUP, CD_45_PAL,
WAITVOICE,
PLAYVOICE, CDV_46,
DOFLIRT, CD_45,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_47_LOG,
FADEUP, CD_47_PAL,
PLAYVOICE, CDV_47,
WAITVOICE,
PLAYVOICE, CDV_48,
FADEDOWN,
SHOWSCREEN, CD_48_LOG,
FADEUP, CD_48_PAL,
WAITVOICE,
BGFLIRT, CD_48,
PLAYVOICE, CDV_49,
WAITVOICE,
PLAYVOICE, CDV_50,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_51,
BGFLIRT, CD_49,
WAITVOICE,
PLAYVOICE, CDV_52,
WAITVOICE,
PLAYVOICE, CDV_53,
WAITVOICE,
WAITFLIRT,
PLAYVOICE, CDV_54,
DOFLIRT, CD_50,
WAITVOICE,
PLAYVOICE, CDV_55,
WAITVOICE,
PLAYVOICE, CDV_56,
FADEDOWN,
SHOWSCREEN, CD_55_LOG,
FADEUP, CD_55_PAL,
WAITVOICE,
PLAYVOICE, CDV_57,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_58_LOG,
FADEUP, CD_58_PAL,
PLAYVOICE, CDV_58,
WAITVOICE,
PLAYVOICE, CDV_59,
WAITVOICE,
PLAYVOICE, CDV_60,
WAITVOICE,
PLAYVOICE, CDV_61,
WAITVOICE,
PLAYVOICE, CDV_62,
BGFLIRT, CD_58,
WAITVOICE,
PLAYVOICE, CDV_63,
WAITVOICE,
PLAYVOICE, CDV_64,
WAITFLIRT,
WAITVOICE,
PLAYVOICE, CDV_65,
FADEDOWN,
WAITVOICE,
SHOWSCREEN, CD_66_LOG,
FADEUP, CD_66_PAL,
PLAYVOICE, CDV_66,
WAITVOICE,
PLAYVOICE, CDV_67,
FADEDOWN,
SHOWSCREEN, CD_67_LOG,
FADEUP, CD_67_PAL,
WAITVOICE,
PLAYVOICE, CDV_68,
WAITVOICE,
PLAYVOICE, CDV_69,
FADEDOWN,
SHOWSCREEN, CD_69_LOG,
FADEUP, CD_69_PAL,
WAITVOICE,
PLAYVOICE, CDV_70,
DOFLIRT, CD_69,
WAITVOICE,
FADEDOWN,
PLAYVOICE, CDV_71,
WAITVOICE,
SHOWSCREEN, CD_72_LOG,
FADEUP, CD_72_PAL,
PLAYVOICE, CDV_72,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_73_LOG,
FADEUP, CD_73_PAL,
PLAYVOICE, CDV_73,
WAITVOICE,
PLAYVOICE, CDV_74,
WAITVOICE,
PLAYVOICE, CDV_75,
FADEDOWN,
SHOWSCREEN, CD_76_LOG,
FADEUP, CD_76_PAL,
WAITVOICE,
PLAYVOICE, CDV_76,
WAITVOICE,
PLAYVOICE, CDV_77,
WAITVOICE,
FADEDOWN,
SHOWSCREEN, CD_78_LOG,
FADEUP, CD_78_PAL,
PLAYVOICE, CDV_78,
WAITVOICE,
PLAYVOICE, CDV_79,
WAITVOICE,
PLAYVOICE, CDV_80,
BGFLIRT, CD_100,
WAITVOICE,
PLAYVOICE, CDV_81,
WAITVOICE,
PLAYVOICE, CDV_82,
WAITVOICE,
WAITFLIRT,
SHOWSCREEN, CD_101_LOG,
BGFLIRT, CD_101,
PLAYVOICE, CDV_83,
WAITVOICE,
PLAYVOICE, CDV_84,
WAITVOICE,
PLAYVOICE, CDV_85,
WAITVOICE,
WAITFLIRT,
SHOWSCREEN, CD_102_LOG,
PLAYVOICE, CDV_86,
DOFLIRT, CD_102,
FADEDOWN,
SHOWSCREEN, CD_103_LOG,
FADEUP, CD_103_PAL,
BGFLIRT, CD_103,
WAITVOICE,
PLAYVOICE, CDV_87,
WAITFLIRT,
WAITVOICE,
STARTMUSIC, 2,
FADEDOWN,
SHOWSCREEN, CD_104_LOG,
FADEUP, CD_104_PAL,
DOFLIRT, CD_104,
DOFLIRT, CD_105,
SEQEND
};
uint16 Intro::_floppyIntroSeq[] = {
SHOWSCREEN, 60081,
FADEUP, 60080,
DOFLIRT, 60082,
DOFLIRT, 60083,
DOFLIRT, 60084, // Beneath a Steel Sky
DOFLIRT, 60085,
DOFLIRT, 60086,
SCROLLFLIRT,
COMMANDFLIRT, 60087, // => command list 4a
136, IC_MAKE_SOUND, 1, 70,
90, IC_FX_VOLUME, 80,
50, IC_FX_VOLUME, 90,
5, IC_FX_VOLUME, 100,
COMMANDEND,
SHOWSCREEN, 60088,
COMMANDFLIRT, 60089, // => command list 4b (cockpit)
1000, IC_PREPARE_TEXT, 77,
220, IC_SHOW_TEXT, 20, 160, // radar detects jamming signal
105, IC_REMOVE_TEXT,
105, IC_PREPARE_TEXT, 81,
105, IC_SHOW_TEXT, 170, 86, // well switch to override you fool
35, IC_REMOVE_TEXT,
35, IC_PREPARE_TEXT, 477,
35, IC_SHOW_TEXT, 30, 160,
3, IC_REMOVE_TEXT,
COMMANDEND,
SHOWSCREEN, 60090,
COMMANDFLIRT, 60091, // => command list 4c
1000, IC_FX_VOLUME, 100,
25, IC_FX_VOLUME, 110,
15, IC_FX_VOLUME, 120,
4, IC_FX_VOLUME, 127,
COMMANDEND,
FADEDOWN,
SHOWSCREEN, 60093,
FADEUP, 60092,
COMMANDFLIRT, 60094, // => command list 5
31, IC_MAKE_SOUND, 2, 127,
COMMANDEND,
WAITMUSIC,
FADEDOWN,
SHOWSCREEN, 60096,
STARTMUSIC, 2,
FADEUP, 60095,
COMMANDFLIRT, 60097, // => command list 6a
1000, IC_PREPARE_TEXT, 478,
13, IC_SHOW_TEXT, 175, 155,
COMMANDEND,
COMMANDFLIRT, 60098, // => command list 6b
131, IC_REMOVE_TEXT,
131, IC_PREPARE_TEXT, 479,
74, IC_SHOW_TEXT, 175, 155,
45, IC_REMOVE_TEXT,
45, IC_PREPARE_TEXT, 162,
44, IC_SHOW_TEXT, 175, 155,
4, IC_REMOVE_TEXT,
COMMANDEND,
SEQEND
};
Intro::Intro(Disk *disk, Screen *screen, MusicBase *music, Sound *sound, Text *text, SoundMixer *mixer, OSystem *system) {
_skyDisk = disk;
_skyScreen = screen;
_skyMusic = music;
_skySound = sound;
_skyText = text;
_mixer = mixer;
_system = system;
_textBuf = (uint8*)malloc(10000);
_saveBuf = (uint8*)malloc(10000);
_bgBuf = NULL;
_quitProg = false;
_relDelay = 0;
}
Intro::~Intro(void) {
_mixer->stopAll();
_skyDisk->flushPrefetched();
_skyScreen->stopSequence();
if (_textBuf)
free(_textBuf);
if (_saveBuf)
free(_saveBuf);
if (_bgBuf)
free(_bgBuf);
}
bool Intro::doIntro(bool floppyIntro) {
if (!SkyEngine::isCDVersion())
floppyIntro = true;
_skyDisk->prefetchFile(60112);
_skyDisk->prefetchFile(60113);
_skyMusic->loadSection(0);
_skySound->loadSection(0);
if (!escDelay(3000))
return false;
if (floppyIntro)
_skyMusic->startMusic(1);
uint16 *seqData = _mainIntroSeq;
while (*seqData != SEQEND) {
if (!nextPart(seqData))
return false;
}
if (floppyIntro)
seqData = _floppyIntroSeq;
else
seqData = _cdIntroSeq;
while (*seqData != SEQEND) {
if (!nextPart(seqData))
return false;
}
return true;
}
bool Intro::nextPart(uint16 *&data) {
uint8 *vData = NULL;
// return false means cancel intro
uint16 command = *data++;
switch (command) {
case SHOWSCREEN:
_skyScreen->showScreen(*data++);
return true;
case FADEUP:
_skyScreen->paletteFadeUp(*data++);
_relDelay += 32 * 20; // hack: the screen uses a seperate delay function for the
// blocking fadeups. So add 32*20 msecs to out delay counter.
return true;
case FADEDOWN:
_skyScreen->fnFadeDown(0);
_relDelay += 32 * 20; // hack: see above.
return true;
case DELAY:
if (!escDelay(*data++))
return false;
return true;
case DOFLIRT:
_skyScreen->startSequence(*data++);
while (_skyScreen->sequenceRunning())
if (!escDelay(50))
return false;
return true;
case SCROLLFLIRT:
return floppyScrollFlirt();
case COMMANDFLIRT:
return commandFlirt(data);
case STOPFLIRT:
_skyScreen->stopSequence();
return true;
case STARTMUSIC:
_skyMusic->startMusic(*data++);
return true;
case WAITMUSIC:
while (_skyMusic->musicIsPlaying())
if (!escDelay(50))
return false;
return true;
case BGFLIRT:
_skyScreen->startSequence(*data++);
return true;
case WAITFLIRT:
while (_skyScreen->sequenceRunning())
if (!escDelay(50))
return false;
return true;
case PLAYVOICE:
if (!escDelay(200))
return false;
vData = _skyDisk->loadFile(*data++);
// HACK: Fill the header with silence. We should
// probably use _skySound instead of calling playRaw()
// directly, but this will have to do for now.
memset(vData, 127, sizeof(struct dataFileHeader));
_mixer->playRaw(&_voice, vData, _skyDisk->_lastLoadedFileSize, 11025,
SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_UNSIGNED, SOUND_VOICE);
return true;
case WAITVOICE:
while (_mixer->isSoundHandleActive(_voice))
if (!escDelay(50))
return false;
return true;
case LOADBG:
_mixer->stopID(SOUND_BG);
if (_bgBuf)
free(_bgBuf);
_bgBuf = _skyDisk->loadFile(*data++);
_bgSize = _skyDisk->_lastLoadedFileSize;
return true;
case LOOPBG:
_mixer->stopID(SOUND_BG);
_mixer->playRaw(&_bgSfx, _bgBuf + 256, _bgSize - 768, 11025,
SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_LOOP, SOUND_BG);
return true;
case PLAYBG:
_mixer->stopID(SOUND_BG);
_mixer->playRaw(&_bgSfx, _bgBuf + 256, _bgSize - 768, 11025,
SoundMixer::FLAG_UNSIGNED, SOUND_BG);
return true;
case STOPBG:
_mixer->stopID(SOUND_BG);
return true;
default:
error("Unknown intro command %X", command);
}
return true;
}
bool Intro::floppyScrollFlirt(void) {
uint8 *scrollScreen = (uint8*)malloc(FRAME_SIZE * 2);
memset(scrollScreen, 0, FRAME_SIZE);
memcpy(scrollScreen + FRAME_SIZE, _skyScreen->giveCurrent(), FRAME_SIZE);
uint8 *scrollPos = scrollScreen + FRAME_SIZE;
uint8 *vgaData = _skyDisk->loadFile(60100);
uint8 *diffData = _skyDisk->loadFile(60101);
uint16 frameNum = READ_LE_UINT16(diffData);
uint8 *diffPtr = diffData + 2;
uint8 *vgaPtr = vgaData;
bool doContinue = true;
for (uint16 frameCnt = 1; (frameCnt < frameNum) && doContinue; frameCnt++) {
uint8 scrollVal = *diffPtr++;
if (scrollVal)
scrollPos -= scrollVal * GAME_SCREEN_WIDTH;
uint16 scrPos = 0;
while (scrPos < FRAME_SIZE) {
uint8 nrToDo, nrToSkip;
do {
nrToSkip = *diffPtr++;
scrPos += nrToSkip;
} while (nrToSkip == 255);
do {
nrToDo = *diffPtr++;
memcpy(scrollPos + scrPos, vgaPtr, nrToDo);
scrPos += nrToDo;
vgaPtr += nrToDo;
} while (nrToDo == 255);
}
_system->copyRectToScreen(scrollPos, GAME_SCREEN_WIDTH, 0, 0, GAME_SCREEN_WIDTH, GAME_SCREEN_HEIGHT);
_system->updateScreen();
if (!escDelay(60))
doContinue = false;
}
memcpy(_skyScreen->giveCurrent(), scrollPos, FRAME_SIZE);
free(diffData);
free(vgaData);
free(scrollScreen);
return doContinue;
}
bool Intro::commandFlirt(uint16 *&data) {
_skyScreen->startSequence(*data++);
while ((*data != COMMANDEND) || _skyScreen->sequenceRunning()) {
while ((_skyScreen->seqFramesLeft() < *data)) {
data++;
uint16 command = *data++;
switch(command) {
case IC_PREPARE_TEXT:
_skyText->getText(*data++);
_skyText->displayText(_textBuf, true, INTRO_TEXT_WIDTH, 255);
break;
case IC_SHOW_TEXT:
((dataFileHeader*)_textBuf)->s_x = *data++;
((dataFileHeader*)_textBuf)->s_y = *data++;
showTextBuf();
break;
case IC_REMOVE_TEXT:
restoreScreen();
break;
case IC_MAKE_SOUND:
_skySound->playSound(data[0], data[1], 0);
data += 2;
break;
case IC_FX_VOLUME:
_skySound->playSound(1, *data++, 0);
break;
default:
error("Unknown FLIRT command %X\n", command);
}
}
if (!escDelay(50)) {
_skyScreen->stopSequence();
return false;
}
}
data++; // move pointer over "COMMANDEND"
return true;
}
void Intro::showTextBuf(void) {
uint16 x = ((dataFileHeader*)_textBuf)->s_x;
uint16 y = ((dataFileHeader*)_textBuf)->s_y;
uint16 width = ((dataFileHeader*)_textBuf)->s_width;
uint16 height = ((dataFileHeader*)_textBuf)->s_height;
uint8 *screenBuf = _skyScreen->giveCurrent() + y * GAME_SCREEN_WIDTH + x;
memcpy(_saveBuf, _textBuf, sizeof(dataFileHeader));
uint8 *saveBuf = _saveBuf + sizeof(dataFileHeader);
uint8 *textBuf = _textBuf + sizeof(dataFileHeader);
for (uint16 cnty = 0; cnty < height; cnty++) {
memcpy(saveBuf, screenBuf, width);
for (uint16 cntx = 0; cntx < width; cntx++)
if (textBuf[cntx])
screenBuf[cntx] = textBuf[cntx];
screenBuf += GAME_SCREEN_WIDTH;
textBuf += width;
saveBuf += width;
}
screenBuf = _skyScreen->giveCurrent() + y * GAME_SCREEN_WIDTH + x;
_system->copyRectToScreen(screenBuf, GAME_SCREEN_WIDTH, x, y, width, height);
}
void Intro::restoreScreen(void) {
uint16 x = ((dataFileHeader*)_saveBuf)->s_x;
uint16 y = ((dataFileHeader*)_saveBuf)->s_y;
uint16 width = ((dataFileHeader*)_saveBuf)->s_width;
uint16 height = ((dataFileHeader*)_saveBuf)->s_height;
uint8 *screenBuf = _skyScreen->giveCurrent() + y * GAME_SCREEN_WIDTH + x;
uint8 *saveBuf = _saveBuf + sizeof(dataFileHeader);
for (uint16 cnt = 0; cnt < height; cnt++) {
memcpy(screenBuf, saveBuf, width);
screenBuf += GAME_SCREEN_WIDTH;
saveBuf += width;
}
_system->copyRectToScreen(_saveBuf + sizeof(dataFileHeader), width, x, y, width, height);
}
bool Intro::escDelay(uint32 msecs) {
OSystem::Event event;
if (_relDelay == 0) // first call, init with system time
_relDelay = (int32)_system->getMillis();
_relDelay += msecs; // now wait until _system->getMillis() >= _relDelay
int32 nDelay = 0;
do {
while (_system->pollEvent(event)) {
if (event.type == OSystem::EVENT_KEYDOWN) {
if (event.kbd.keycode == 27)
return false;
} else if (event.type == OSystem::EVENT_QUIT) {
_quitProg = true;
return false;
}
}
nDelay = _relDelay - _system->getMillis();
if (nDelay < 0)
nDelay = 0;
else if (nDelay > 15)
nDelay = 15;
_system->delayMillis(nDelay);
} while (nDelay == 15);
return true;
}
} // End of namespace Sky
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