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score.cpp
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score.cpp
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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 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.
*
*/
#include "director/score.h"
#include "common/stream.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/config-manager.h"
#include "common/system.h"
#include "director/dib.h"
#include "director/resource.h"
#include "director/lingo/lingo.h"
#include "director/sound.h"
#include "graphics/palette.h"
#include "common/events.h"
#include "engines/util.h"
#include "graphics/managed_surface.h"
namespace Director {
Score::Score(DirectorEngine *vm) {
_vm = vm;
_surface = new Graphics::ManagedSurface;
_trailSurface = new Graphics::ManagedSurface;
_movieArchive = _vm->getMainArchive();
_lingo = _vm->getLingo();
_soundManager = _vm->getSoundManager();
_lingo->processEvent(kEventPrepareMovie, 0);
_movieScriptCount = 0;
if (_movieArchive->hasResource(MKTAG('M','C','N','M'), 0)) {
_macName = _movieArchive->getName(MKTAG('M','C','N','M'), 0).c_str();
}
if (_movieArchive->hasResource(MKTAG('V','W','L','B'), 1024)) {
loadLabels(*_movieArchive->getResource(MKTAG('V','W','L','B'), 1024));
}
}
void Score::loadArchive() {
Common::Array<uint16> clutList = _movieArchive->getResourceIDList(MKTAG('C','L','U','T'));
if (clutList.size() > 1)
error("More than one palette was found");
if (clutList.size() == 0)
error("CLUT not found");
Common::SeekableSubReadStreamEndian *pal = _movieArchive->getResource(MKTAG('C', 'L', 'U', 'T'), clutList[0]);
loadPalette(*pal);
g_system->getPaletteManager()->setPalette(_vm->getPalette(), 0, _vm->getPaletteColorCount());
assert(_movieArchive->hasResource(MKTAG('V','W','S','C'), 1024));
assert(_movieArchive->hasResource(MKTAG('V','W','C','F'), 1024));
assert(_movieArchive->hasResource(MKTAG('V','W','C','R'), 1024));
loadFrames(*_movieArchive->getResource(MKTAG('V','W','S','C'), 1024));
loadConfig(*_movieArchive->getResource(MKTAG('V','W','C','F'), 1024));
loadCastData(*_movieArchive->getResource(MKTAG('V','W','C','R'), 1024));
if (_movieArchive->hasResource(MKTAG('V','W','A','C'), 1024)) {
loadActions(*_movieArchive->getResource(MKTAG('V','W','A','C'), 1024));
}
if (_movieArchive->hasResource(MKTAG('V','W','F','I'), 1024)) {
loadFileInfo(*_movieArchive->getResource(MKTAG('V','W','F','I'), 1024));
}
if (_movieArchive->hasResource(MKTAG('V','W','F','M'), 1024)) {
loadFontMap(*_movieArchive->getResource(MKTAG('V','W','F','M'), 1024));
}
Common::Array<uint16> vwci = _movieArchive->getResourceIDList(MKTAG('V','W','C','I'));
if (vwci.size() > 0) {
Common::Array<uint16>::iterator iterator;
for (iterator = vwci.begin(); iterator != vwci.end(); ++iterator)
loadCastInfo(*_movieArchive->getResource(MKTAG('V','W','C','I'), *iterator), *iterator);
}
Common::Array<uint16> stxt = _movieArchive->getResourceIDList(MKTAG('S','T','X','T'));
if (stxt.size() > 0) {
Common::Array<uint16>::iterator iterator;
for (iterator = stxt.begin(); iterator != stxt.end(); ++iterator) {
loadScriptText(*_movieArchive->getResource(MKTAG('S','T','X','T'), *iterator));
}
}
}
Score::~Score() {
_surface->free();
_trailSurface->free();
delete _surface;
delete _trailSurface;
_movieArchive->close();
delete _movieArchive;
}
void Score::loadPalette(Common::SeekableSubReadStreamEndian &stream) {
uint16 steps = stream.size() / 6;
uint16 index = (steps * 3) - 1;
uint16 _paletteColorCount = steps;
byte *_palette = new byte[index];
for (uint8 i = 0; i < steps; i++) {
_palette[index - 2] = stream.readByte();
stream.readByte();
_palette[index - 1] = stream.readByte();
stream.readByte();
_palette[index] = stream.readByte();
stream.readByte();
index -= 3;
}
_vm->setPalette(_palette, _paletteColorCount);
}
void Score::loadFrames(Common::SeekableSubReadStreamEndian &stream) {
uint32 size = stream.readUint32();
size -= 4;
uint16 channelSize;
uint16 channelOffset;
Frame *initial = new Frame(_vm);
_frames.push_back(initial);
while (size != 0) {
uint16 frameSize = stream.readUint16();
size -= frameSize;
frameSize -= 2;
Frame *frame = new Frame(*_frames.back());
while (frameSize != 0) {
channelSize = stream.readByte() * 2;
channelOffset = stream.readByte() * 2;
frame->readChannel(stream, channelOffset, channelSize);
frameSize -= channelSize + 2;
}
_frames.push_back(frame);
}
//remove initial frame
_frames.remove_at(0);
}
void Score::loadConfig(Common::SeekableSubReadStreamEndian &stream) {
/*uint16 unk1 = */ stream.readUint16();
/*ver1 = */ stream.readUint16();
_movieRect = Score::readRect(stream);
_castArrayStart = stream.readUint16();
_castArrayEnd = stream.readUint16();
_currentFrameRate = stream.readByte();
stream.skip(9);
_stageColor = stream.readUint16();
}
void Score::readVersion(uint32 rid) {
_versionMinor = rid & 0xffff;
_versionMajor = rid >> 16;
debug("Version: %d.%d", _versionMajor, _versionMinor);
}
void Score::loadCastData(Common::SeekableSubReadStreamEndian &stream) {
for (uint16 id = _castArrayStart; id <= _castArrayEnd; id++) {
byte size = stream.readByte();
if (size == 0)
continue;
uint8 castType = stream.readByte();
switch (castType) {
case kCastBitmap:
_casts[id] = new BitmapCast(stream);
_casts[id]->type = kCastBitmap;
break;
case kCastText:
_casts[id] = new TextCast(stream);
_casts[id]->type = kCastText;
break;
case kCastShape:
_casts[id] = new ShapeCast(stream);
_casts[id]->type = kCastShape;
break;
case kCastButton:
_casts[id] = new ButtonCast(stream);
_casts[id]->type = kCastButton;
break;
default:
warning("Unhandled cast type: %d", castType);
stream.skip(size - 1);
break;
}
}
//Set cast pointers to sprites
for (uint16 i = 0; i < _frames.size(); i++) {
for (uint16 j = 0; j < _frames[i]->_sprites.size(); j++) {
byte castId = _frames[i]->_sprites[j]->_castId;
if (_casts.contains(castId))
_frames[i]->_sprites[j]->_cast = _casts.find(castId)->_value;
}
}
}
void Score::loadLabels(Common::SeekableSubReadStreamEndian &stream) {
_labels = new Common::SortedArray<Label *>(compareLabels);
uint16 count = stream.readUint16() + 1;
uint16 offset = count * 4 + 2;
uint16 frame = stream.readUint16();
uint16 stringPos = stream.readUint16() + offset;
for (uint16 i = 0; i < count; i++) {
uint16 nextFrame = stream.readUint16();
uint16 nextStringPos = stream.readUint16() + offset;
uint16 streamPos = stream.pos();
stream.seek(stringPos);
Common::String label;
for (uint16 j = stringPos; j < nextStringPos; j++) {
label += stream.readByte();
}
_labels->insert(new Label(label, frame));
stream.seek(streamPos);
frame = nextFrame;
stringPos = nextStringPos;
}
Common::SortedArray<Label *>::iterator j;
for (j = _labels->begin(); j != _labels->end(); ++j) {
debug("Frame %d, Label %s", (*j)->number, (*j)->name.c_str());
}
}
int Score::compareLabels(const void *a, const void *b) {
return ((Label *)a)->number - ((Label *)b)->number;
}
void Score::loadActions(Common::SeekableSubReadStreamEndian &stream) {
uint16 count = stream.readUint16() + 1;
uint16 offset = count * 4 + 2;
byte id = stream.readByte();
/*byte subId = */ stream.readByte(); //I couldn't find how it used in continuity (except print). Frame actionId = 1 byte.
uint16 stringPos = stream.readUint16() + offset;
for (uint16 i = 0; i < count; i++) {
uint16 nextId = stream.readByte();
/*byte subId = */ stream.readByte();
uint16 nextStringPos = stream.readUint16() + offset;
uint16 streamPos = stream.pos();
stream.seek(stringPos);
for (uint16 j = stringPos; j < nextStringPos; j++) {
byte ch = stream.readByte();
if (ch == 0x0d) {
ch = '\n';
}
_actions[id] += ch;
}
stream.seek(streamPos);
id = nextId;
stringPos = nextStringPos;
if (stringPos == stream.size())
break;
}
Common::HashMap<uint16, Common::String>::iterator j;
for (j = _actions.begin(); j != _actions.end(); ++j)
if (j->_value != "")
_lingo->addCode(j->_value, kFrameScript, j->_key);
if (!ConfMan.getBool("dump_scripts"))
return;
for (j = _actions.begin(); j != _actions.end(); ++j) {
if (j->_value != "")
dumpScript(j->_key, kFrameScript, j->_value);
}
}
void Score::loadScriptText(Common::SeekableSubReadStreamEndian &stream) {
/*uint32 unk1 = */ stream.readUint32();
uint32 strLen = stream.readUint32();
/*uin32 dataLen = */ stream.readUint32();
Common::String script;
for (uint32 i = 0; i < strLen; i++) {
byte ch = stream.readByte();
if (ch == 0x0d) {
//in old Mac systems \r was the code for end-of-line instead.
ch = '\n';
}
script += ch;
}
if (script != "")
_lingo->addCode(script, kMovieScript, _movieScriptCount);
if (ConfMan.getBool("dump_scripts") && (script != "")) {
dumpScript(_movieScriptCount, kMovieScript, script);
}
_movieScriptCount++;
}
void Score::setStartToLabel(Common::String label) {
Common::SortedArray<Label *>::iterator i;
for (i = _labels->begin(); i != _labels->end(); ++i) {
if ((*i)->name == label) {
_currentFrame = (*i)->number;
return;
}
}
warning("Label %s not found", label.c_str());
}
void Score::dumpScript(uint16 id, ScriptType type, Common::String script) {
Common::DumpFile out;
Common::String typeName;
char buf[256];
switch (type) {
case kFrameScript:
typeName = "frame";
break;
case kMovieScript:
typeName = "movie";
break;
case kSpriteScript:
typeName = "sprite";
break;
}
sprintf(buf, "./dumps/%s-%s-%d.txt", _macName.c_str(), typeName.c_str(), id);
if (!out.open(buf)) {
warning("Can not open dump file %s", buf);
return;
}
out.writeString(script);
out.flush();
out.close();
}
void Score::loadCastInfo(Common::SeekableSubReadStreamEndian &stream, uint16 id) {
uint32 entryType = 0;
Common::Array<Common::String> castStrings = loadStrings(stream, entryType);
CastInfo *ci = new CastInfo();
ci->script = castStrings[0];
if (ci->script != "") {
_lingo->addCode(ci->script, kSpriteScript, id);
}
if (!ConfMan.getBool("dump_scripts")) {
dumpScript(id, kSpriteScript, ci->script);
}
ci->name = getString(castStrings[1]);
ci->directory = getString(castStrings[2]);
ci->fileName = getString(castStrings[3]);
ci->type = castStrings[4];
_castsInfo[id] = ci;
}
void Score::gotoloop() {
//This command has the playback head contonuously return to the first marker to to the left and then loop back.
//If no marker are to the left of the playback head, the playback head continues to the right.
Common::SortedArray<Label *>::iterator i;
for (i = _labels->begin(); i != _labels->end(); ++i) {
if ((*i)->name == _currentLabel) {
_currentFrame = (*i)->number;
return;
}
}
}
void Score::gotonext() {
Common::SortedArray<Label *>::iterator i;
for (i = _labels->begin(); i != _labels->end(); ++i) {
if ((*i)->name == _currentLabel) {
if (i != _labels->end()) {
//return to the first marker to to the right
++i;
_currentFrame = (*i)->number;
return;
} else {
//if no markers are to the right of the playback head,
//the playback head goes to the first marker to the left
_currentFrame = (*i)->number;
return;
}
}
}
//If there are not markers to the left,
//the playback head goes to frame 1, (Director frame array start from 1, engine from 0)
_currentFrame = 0;
}
void Score::gotoprevious() {
//One label
if (_labels->begin() == _labels->end()) {
_currentFrame = (*_labels->begin())->number;
return;
}
Common::SortedArray<Label *>::iterator previous = _labels->begin();
Common::SortedArray<Label *>::iterator i = previous++;
for (i = _labels->begin(); i != _labels->end(); ++i, ++previous) {
if ((*i)->name == _currentLabel) {
_currentFrame = (*previous)->number;
return;
} else {
_currentFrame = (*i)->number;
return;
}
}
_currentFrame = 0;
}
Common::String Score::getString(Common::String str) {
if (str.size() == 0) {
return str;
}
uint8 f = static_cast<uint8>(str.firstChar());
if (f == 0) {
return "";
}
str.deleteChar(0);
if (str.lastChar() == '\x00') {
str.deleteLastChar();
}
return str;
}
void Score::loadFileInfo(Common::SeekableSubReadStreamEndian &stream) {
Common::Array<Common::String> fileInfoStrings = loadStrings(stream, _flags);
_script = fileInfoStrings[0];
if (_script != "") {
_lingo->addCode(_script, kMovieScript, _movieScriptCount);
}
if (!ConfMan.getBool("dump_scripts")) {
dumpScript(_movieScriptCount, kMovieScript, _script);
}
_movieScriptCount++;
_changedBy = fileInfoStrings[1];
_createdBy = fileInfoStrings[2];
_directory = fileInfoStrings[3];
}
Common::Array<Common::String> Score::loadStrings(Common::SeekableSubReadStreamEndian &stream, uint32 &entryType, bool hasHeader) {
Common::Array<Common::String> strings;
uint32 offset = 0;
if (hasHeader) {
offset = stream.readUint32();
/*uint32 unk1 = */ stream.readUint32();
/*uint32 unk2 = */ stream.readUint32();
entryType = stream.readUint32();
stream.seek(offset);
}
uint16 count = stream.readUint16();
offset += (count + 1) * 4 + 2; //positions info + uint16 count
uint32 startPos = stream.readUint32() + offset;
for (uint16 i = 0; i < count; i++) {
Common::String entryString;
uint32 nextPos = stream.readUint32() + offset;
uint32 streamPos = stream.pos();
stream.seek(startPos);
while (startPos != nextPos) {
entryString += stream.readByte();
++startPos;
}
strings.push_back(entryString);
stream.seek(streamPos);
startPos = nextPos;
}
return strings;
}
void Score::loadFontMap(Common::SeekableSubReadStreamEndian &stream) {
uint16 count = stream.readUint16();
uint32 offset = (count * 2) + 2;
uint16 currentRawPosition = offset;
for (uint16 i = 0; i < count; i++) {
uint16 id = stream.readUint16();
uint32 positionInfo = stream.pos();
stream.seek(currentRawPosition);
uint16 size = stream.readByte();
Common::String font;
for (uint16 k = 0; k < size; k++) {
font += stream.readByte();
}
_fontMap[id] = font;
currentRawPosition = stream.pos();
stream.seek(positionInfo);
}
}
BitmapCast::BitmapCast(Common::SeekableSubReadStreamEndian &stream) {
/*byte flags = */ stream.readByte();
uint16 someFlaggyThing = stream.readUint16();
initialRect = Score::readRect(stream);
boundingRect = Score::readRect(stream);
regY = stream.readUint16();
regX = stream.readUint16();
if (someFlaggyThing & 0x8000) {
/*uint16 unk1 =*/ stream.readUint16();
/*uint16 unk2 =*/ stream.readUint16();
}
}
TextCast::TextCast(Common::SeekableSubReadStreamEndian &stream) {
/*byte flags =*/ stream.readByte();
borderSize = static_cast<SizeType>(stream.readByte());
gutterSize = static_cast<SizeType>(stream.readByte());
boxShadow = static_cast<SizeType>(stream.readByte());
textType = static_cast<TextType>(stream.readByte());
textAlign = static_cast<TextAlignType>(stream.readUint16());
stream.skip(6); //palinfo
/*uint32 unk1 = */ stream.readUint32();
initialRect = Score::readRect(stream);
textShadow = static_cast<SizeType>(stream.readByte());
byte flags = stream.readByte();
if (flags & 0x1)
textFlags.push_back(kTextFlagEditable);
if (flags & 0x2)
textFlags.push_back(kTextFlagAutoTab);
if (flags & 0x4)
textFlags.push_back(kTextFlagDoNotWrap);
/*uint16 unk2 =*/ stream.readUint16();
}
ShapeCast::ShapeCast(Common::SeekableSubReadStreamEndian &stream) {
/*byte flags = */ stream.readByte();
/*unk1 = */ stream.readByte();
shapeType = static_cast<ShapeType>(stream.readByte());
initialRect = Score::readRect(stream);
pattern = stream.readUint16BE();
fgCol = stream.readByte();
bgCol = stream.readByte();
fillType = stream.readByte();
lineThickness = stream.readByte();
lineDirection = stream.readByte();
}
Common::Rect Score::readRect(Common::SeekableSubReadStreamEndian &stream) {
Common::Rect *rect = new Common::Rect();
rect->top = stream.readUint16();
rect->left = stream.readUint16();
rect->bottom = stream.readUint16();
rect->right = stream.readUint16();
return *rect;
}
void Score::startLoop() {
initGraphics(_movieRect.width(), _movieRect.height(), true);
_surface->create(_movieRect.width(), _movieRect.height());
_trailSurface->create(_movieRect.width(), _movieRect.height());
if (_stageColor == 0)
_trailSurface->clear(_vm->getPaletteColorCount() - 1);
else
_trailSurface->clear(_stageColor);
_currentFrame = 0;
_stopPlay = false;
_nextFrameTime = 0;
_lingo->processEvent(kEventStartMovie, 0);
_frames[_currentFrame]->prepareFrame(this);
while (!_stopPlay && _currentFrame < _frames.size() - 2) {
update();
processEvents();
g_system->updateScreen();
g_system->delayMillis(10);
}
}
void Score::update() {
if (g_system->getMillis() < _nextFrameTime)
return;
_surface->clear();
_surface->copyFrom(*_trailSurface);
//Enter and exit from previous frame (Director 4)
_lingo->processEvent(kEventEnterFrame, _currentFrame);
_lingo->processEvent(kEventExitFrame, _currentFrame);
//TODO Director 6 - another order
//TODO Director 6 step: send beginSprite event to any sprites whose span begin in the upcoming frame
//for (uint16 i = 0; i < CHANNEL_COUNT; i++) {
// if (_frames[_currentFrame]->_sprites[i]->_enabled)
// _lingo->processEvent(kEventBeginSprite, i);
//}
//TODO Director 6 step: send prepareFrame event to all sprites and the script channel in upcoming frame
//_lingo->processEvent(kEventPrepareFrame, _currentFrame);
_currentFrame++;
Common::SortedArray<Label *>::iterator i;
for (i = _labels->begin(); i != _labels->end(); ++i) {
if ((*i)->number == _currentFrame) {
_currentLabel = (*i)->name;
}
}
_frames[_currentFrame]->prepareFrame(this);
//Stage is drawn between the prepareFrame and enterFrame events (Lingo in a Nutshell)
byte tempo = _frames[_currentFrame]->_tempo;
if (tempo) {
if (tempo > 161) {
//Delay
_nextFrameTime = g_system->getMillis() + (256 - tempo) * 1000;
return;
} else if (tempo <= 60) {
//FPS
_nextFrameTime = g_system->getMillis() + (float)tempo / 60 * 1000;
_currentFrameRate = tempo;
} else if (tempo >= 136) {
//TODO Wait for channel tempo - 135
} else if (tempo == 128) {
//TODO Wait for Click/Key
} else if (tempo == 135) {
//Wait for sound channel 1
while (_soundManager->isChannelActive(1)) {
processEvents();
g_system->delayMillis(10);
}
} else if (tempo == 134) {
//Wait for sound channel 2
while (_soundManager->isChannelActive(2)) {
processEvents();
g_system->delayMillis(10);
}
}
}
_nextFrameTime = g_system->getMillis() + (float)_currentFrameRate / 60 * 1000;
}
void Score::processEvents() {
if (_currentFrame > 0)
_lingo->processEvent(kEventIdle, _currentFrame - 1);
Common::Event event;
while (g_system->getEventManager()->pollEvent(event)) {
if (event.type == Common::EVENT_QUIT)
_stopPlay = true;
if (event.type == Common::EVENT_LBUTTONDOWN) {
Common::Point pos = g_system->getEventManager()->getMousePos();
//TODO there is dont send frame id
_lingo->processEvent(kEventMouseDown, _frames[_currentFrame]->getSpriteIDFromPos(pos));
}
if (event.type == Common::EVENT_LBUTTONUP) {
Common::Point pos = g_system->getEventManager()->getMousePos();
_lingo->processEvent(kEventMouseUp, _frames[_currentFrame]->getSpriteIDFromPos(pos));
}
}
}
Frame::Frame(DirectorEngine *vm) {
_vm = vm;
_transDuration = 0;
_transType = kTransNone;
_transArea = 0;
_transChunkSize = 0;
_tempo = 0;
_sound1 = 0;
_sound2 = 0;
_soundType1 = 0;
_soundType2 = 0;
_actionId = 0;
_skipFrameFlag = 0;
_blend = 0;
_sprites.resize(CHANNEL_COUNT);
for (uint16 i = 0; i < _sprites.size(); i++) {
Sprite *sp = new Sprite();
_sprites[i] = sp;
}
}
Frame::Frame(const Frame &frame) {
_vm = frame._vm;
_actionId = frame._actionId;
_transArea = frame._transArea;
_transDuration = frame._transDuration;
_transType = frame._transType;
_transChunkSize = frame._transChunkSize;
_tempo = frame._tempo;
_sound1 = frame._sound1;
_sound2 = frame._sound2;
_soundType1 = frame._soundType1;
_soundType2 = frame._soundType2;
_skipFrameFlag = frame._skipFrameFlag;
_blend = frame._blend;
_palette = new PaletteInfo();
_sprites.resize(CHANNEL_COUNT);
for (uint16 i = 0; i < CHANNEL_COUNT; i++) {
_sprites[i] = new Sprite(*frame._sprites[i]);
}
}
Frame::~Frame() {
for (uint16 i = 0; i < _sprites.size(); i++) {
delete _sprites[i];
}
}
void Frame::readChannel(Common::SeekableSubReadStreamEndian &stream, uint16 offset, uint16 size) {
if (offset >= 32) {
if (size <= 16)
readSprite(stream, offset, size);
else {
//read > 1 sprites channel
while (size > 16) {
byte spritePosition = (offset - 32) / 16;
uint16 nextStart = (spritePosition + 1) * 16 + 32;
uint16 needSize = nextStart - offset;
readSprite(stream, offset, needSize);
offset += needSize;
size -= needSize;
}
readSprite(stream, offset, size);
}
} else {
readMainChannels(stream, offset, size);
}
}
void Frame::readMainChannels(Common::SeekableSubReadStreamEndian &stream, uint16 offset, uint16 size) {
uint16 finishPosition = offset + size;
while (offset < finishPosition) {
switch(offset) {
case kScriptIdPosition:
_actionId = stream.readByte();
offset++;
break;
case kSoundType1Position:
_soundType1 = stream.readByte();
offset++;
break;
case kTransFlagsPosition: {
uint8 transFlags = stream.readByte();
if (transFlags & 0x80)
_transArea = 1;
else
_transArea = 0;
_transDuration = transFlags & 0x7f;
offset++;
}
break;
case kTransChunkSizePosition:
_transChunkSize = stream.readByte();
offset++;
break;
case kTempoPosition:
_tempo = stream.readByte();
offset++;
break;
case kTransTypePosition:
_transType = static_cast<TransitionType>(stream.readByte());
offset++;
break;
case kSound1Position:
_sound1 = stream.readUint16();
offset+=2;
break;
case kSkipFrameFlagsPosition:
_skipFrameFlag = stream.readByte();
offset++;
break;
case kBlendPosition:
_blend = stream.readByte();
offset++;
break;
case kSound2Position:
_sound2 = stream.readUint16();
offset += 2;
break;
case kSound2TypePosition:
_soundType2 = stream.readByte();
offset += 1;
break;
case kPaletePosition:
if (stream.readUint16())
readPaletteInfo(stream);
offset += 16;
default:
offset++;
stream.readByte();
debug("Field Position %d, Finish Position %d", offset, finishPosition);
break;
}
}
}
void Frame::readPaletteInfo(Common::SeekableSubReadStreamEndian &stream) {
_palette->firstColor = stream.readByte();
_palette->lastColor = stream.readByte();
_palette->flags = stream.readByte();
_palette->speed = stream.readByte();
_palette->frameCount = stream.readUint16();
stream.skip(8); //unknown
}
void Frame::readSprite(Common::SeekableSubReadStreamEndian &stream, uint16 offset, uint16 size) {
uint16 spritePosition = (offset - 32) / 16;
uint16 spriteStart = spritePosition * 16 + 32;
uint16 fieldPosition = offset - spriteStart;
uint16 finishPosition = fieldPosition + size;
Sprite &sprite = *_sprites[spritePosition];
while (fieldPosition < finishPosition) {
switch (fieldPosition) {
case kSpritePositionUnk1:
/*byte x1 = */ stream.readByte();
fieldPosition++;
break;
case kSpritePositionEnabled:
sprite._enabled = (stream.readByte() != 0);
fieldPosition++;
break;
case kSpritePositionUnk2:
/*byte x2 = */ stream.readUint16();
fieldPosition += 2;
break;
case kSpritePositionFlags:
sprite._flags = stream.readUint16();
sprite._ink = static_cast<InkType>(sprite._flags & 0x3f);
if (sprite._flags & 0x40)
sprite._trails = 1;
else
sprite._trails = 0;
fieldPosition += 2;
break;
case kSpritePositionCastId:
sprite._castId = stream.readUint16();
fieldPosition += 2;
break;
case kSpritePositionY:
sprite._startPoint.y = stream.readUint16();
fieldPosition += 2;
break;
case kSpritePositionX:
sprite._startPoint.x = stream.readUint16();
fieldPosition += 2;
break;
case kSpritePositionWidth:
sprite._width = stream.readUint16();
fieldPosition += 2;
break;
case kSpritePositionHeight:
sprite._height = stream.readUint16();
fieldPosition += 2;
break;
default:
//end cycle, go to next sprite channel
readSprite(stream, spriteStart + 16, finishPosition - fieldPosition);
fieldPosition = finishPosition;
break;
}
}
}
void Frame::prepareFrame(Score *score) {
renderSprites(*score->_surface, false);
renderSprites(*score->_trailSurface, true);
if (_transType != 0)
//TODO Handle changing area case
playTransition(score);
if (_sound1 != 0 || _sound2 != 0) {
playSoundChannel();
}
g_system->copyRectToScreen(score->_surface->getPixels(), score->_surface->pitch, 0, 0, score->_surface->getBounds().width(), score->_surface->getBounds().height());
}
void Frame::playSoundChannel() {
debug(0, "Sound2 %d", _sound2);
debug(0, "Sound1 %d", _sound1);
}
void Frame::playTransition(Score *score) {
uint16 duration = _transDuration * 250; // _transDuration in 1/4 of sec
duration = (duration == 0 ? 250 : duration); // director support transition duration = 0, but animation play like value = 1, idk.
if (_transChunkSize == 0)
_transChunkSize = 1; //equal 1 step
uint16 stepDuration = duration / _transChunkSize;
uint16 steps = duration / stepDuration;
switch (_transType) {
case kTransCoverDown:
{
uint16 stepSize = score->_movieRect.height() / steps;
Common::Rect r = score->_movieRect;
for (uint16 i = 1; i < steps; i++) {
r.setHeight(stepSize * i);
g_system->delayMillis(stepDuration);
score->processEvents();