示例#1
0
文件: decfile.cpp 项目: 33d/scummvm
void DECFile::load(Common::SeekableSubReadStreamEndian &dec, const Common::String &fileName) {
	dec.skip(2); // Unused

	int16 backdropCount = dec.readUint16();
	int16 layerCount    = dec.readUint16();

	// Sanity checks
	if (backdropCount > 1)
		warning("DECFile::load(): More than one backdrop (%d) in file \"%s\"",
		        backdropCount, fileName.c_str());
	if (layerCount < 1)
		warning("DECFile::load(): Less than one layer (%d) in file \"%s\"",
		        layerCount, fileName.c_str());

	// Load the backdrop
	if (backdropCount > 0) {
		loadBackdrop(dec);

		// We only support one backdrop, skip the rest
		dec.skip((backdropCount - 1) * (13 + (_hasPadding ? 1 : 0)));
	}

	// Load the layers
	_layers.reserve(MAX(0, layerCount - 1));
	for (int i = 0; i < layerCount - 1; i++)
		_layers.push_back(loadLayer(dec));

	// Load the backdrop parts
	if (backdropCount > 0)
		loadParts(dec);
}
示例#2
0
文件: frame.cpp 项目: Tkachov/scummvm
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
}
示例#3
0
文件: decfile.cpp 项目: 33d/scummvm
void DECFile::loadPart(Part &part, Common::SeekableSubReadStreamEndian &dec) {
	part.layer = dec.readByte() - 1;
	part.part  = dec.readByte();

	dec.skip(1); // Unknown

	part.x = dec.readUint16();
	part.y = dec.readUint16();

	part.transp = dec.readByte() != 0;
}
示例#4
0
文件: decfile.cpp 项目: 33d/scummvm
void DECFile::loadParts(Common::SeekableSubReadStreamEndian &dec) {
	dec.skip(13); // Name
	if (_hasPadding)
		dec.skip(1);

	dec.skip(13); // File?
	if (_hasPadding)
		dec.skip(1);

	uint16 partCount = dec.readUint16();

	_parts.resize(partCount);
	for (PartArray::iterator p = _parts.begin(); p != _parts.end(); ++p)
		loadPart(*p, dec);
}
示例#5
0
CondScript Database::loadCondScript(Common::SeekableSubReadStreamEndian &s) {
	CondScript script;
	script.condition = s.readUint16();
	if(!script.condition)
		return script;

	// WORKAROUND: Original data bug in MATO 32765
	// The script data for node MATO 32765 is missing its first two bytes
	// of data, resulting in incorrect opcodes being read

	// Original disassembly:
	// init 0 > c[v565 != 0]
	//     op 115, ifVarInRange ( )
	//     op 45, inventoryAddBack ( )
	//     op 53, varSetValue ( vSunspotColor 4090 )
	//     op 53, varSetValue ( vSunspotRadius 40 )
	//     op 33, waterEffectSetWave ( 100 80 )
	//     op 32, waterEffectSetAttenuation ( 359 )
	//     op 31, waterEffectSetSpeed ( 15 )

	// Fixed disassembly
	// init 0 > c[v1 != 0]
	//     op 53, varSetValue ( vSunspotIntensity 45 )
	//     op 53, varSetValue ( vSunspotColor 4090 )
	//     op 53, varSetValue ( vSunspotRadius 40 )
	//     op 33, waterEffectSetWave ( 100 80 )
	//     op 32, waterEffectSetAttenuation ( 359 )
	//     op 31, waterEffectSetSpeed ( 15 )

	if (script.condition == 565) {
		script.condition = 1;
		s.seek(-2, SEEK_CUR);
	}
	// END WORKAROUND

	script.script = loadOpcodes(s);

	return script;
}
void LBGraphics::setPalette(uint16 id) {
	// Old Living Books games use the old CTBL-style palette format while newer
	// games use the better tPAL format which can store partial palettes.
	if (_vm->isPreMohawk()) {
		Common::SeekableSubReadStreamEndian *ctblStream = _vm->wrapStreamEndian(ID_CTBL, id);
		uint16 colorCount = ctblStream->readUint16();
		byte *palette = new byte[colorCount * 3];

		for (uint16 i = 0; i < colorCount; i++) {
			palette[i * 3 + 0] = ctblStream->readByte();
			palette[i * 3 + 1] = ctblStream->readByte();
			palette[i * 3 + 2] = ctblStream->readByte();
			ctblStream->readByte();
		}

		delete ctblStream;

		_vm->_system->getPaletteManager()->setPalette(palette, 0, colorCount);
		delete[] palette;
	} else {
		GraphicsManager::setPalette(id);
	}
}
示例#7
0
文件: frame.cpp 项目: Tkachov/scummvm
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;
		}
	}
}
示例#8
0
文件: frame.cpp 项目: Tkachov/scummvm
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;
			break;
		default:
			offset++;
			stream.readByte();
			debugC(kDebugLoading, "Frame::readMainChannels: Field Position %d, Finish Position %d", offset, finishPosition);
			break;
		}
	}
}
示例#9
0
Stxt::Stxt(Common::SeekableSubReadStreamEndian &textStream) {
	// TODO: Side effects on textStream make this a little hard to understand in context?
	uint32 unk1 = textStream.readUint32();
	uint32 strLen = textStream.readUint32();
	uint32 dataLen = textStream.readUint32();
	Common::String text;

	for (uint32 i = 0; i < strLen; i++) {
		byte ch = textStream.readByte();
		if (ch == 0x0d) {
			ch = '\n';
		}
		text += ch;
	}
	debugC(3, kDebugText, "Stxt init: unk1: %d strLen: %d dataLen: %d textlen: %u", unk1, strLen, dataLen, text.size());
	if (strLen < 200)
		debugC(3, kDebugText, "text: '%s'", text.c_str());

	uint16 formattingCount = textStream.readUint16();
	uint32 prevPos = 0;

	while (formattingCount) {
		uint32 formatStartOffset = textStream.readUint32();
		uint16 unk1f = textStream.readUint16();
		uint16 unk2f = textStream.readUint16();

		_fontId = textStream.readUint16();
		_textSlant = textStream.readByte();
		byte unk3f = textStream.readByte();
		_fontSize = textStream.readUint16();

		_palinfo1 = textStream.readUint16();
		_palinfo2 = textStream.readUint16();
		_palinfo3 = textStream.readUint16();

		debugC(3, kDebugText, "Stxt init: formattingCount: %u, formatStartOffset: %d, unk1: %d unk2: %d, fontId: %d, textSlant: %d",
			   formattingCount, formatStartOffset, unk1f, unk2f, _fontId, _textSlant);

		debugC(3, kDebugText, "        unk3: %d, fontSize: %d, p0: %x p1: %x p2: %x", unk3f, _fontSize, _palinfo1, _palinfo2, _palinfo3);

		assert(prevPos <= formatStartOffset);  // If this is triggered, we have to implement sorting

		while (prevPos != formatStartOffset) {
			char f = text.firstChar();
			_ftext += text.firstChar();
			text.deleteChar(0);

			if (f == '\001')    // Insert two \001s as a replacement
				_ftext += '\001';

			prevPos++;

			debugCN(4, kDebugText, "%c", f);
		}

		debugCN(4, kDebugText, "*");

		_ftext += Common::String::format("\001\015%c%c%c%c%c%c%c%c%c%c%c%c",
										 (_fontId >> 8) & 0xff, _fontId & 0xff,
										 _textSlant & 0xff, unk3f & 0xff,
										 (_fontSize >> 8) & 0xff, _fontSize & 0xff,
										 (_palinfo1 >> 8) & 0xff, _palinfo1 & 0xff,
										 (_palinfo2 >> 8) & 0xff, _palinfo2 & 0xff,
										 (_palinfo3 >> 8) & 0xff, _palinfo3 & 0xff);

		formattingCount--;
	}

	debugC(4, kDebugText, "%s", text.c_str());
	_ftext += text;
}