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Diffstat (limited to 'engines/zvision/animation/rlf_animation.cpp')
-rw-r--r--engines/zvision/animation/rlf_animation.cpp331
1 files changed, 0 insertions, 331 deletions
diff --git a/engines/zvision/animation/rlf_animation.cpp b/engines/zvision/animation/rlf_animation.cpp
deleted file mode 100644
index 945461e7b2..0000000000
--- a/engines/zvision/animation/rlf_animation.cpp
+++ /dev/null
@@ -1,331 +0,0 @@
-/* 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 "common/scummsys.h"
-
-#include "zvision/animation/rlf_animation.h"
-
-#include "common/str.h"
-#include "common/file.h"
-#include "common/textconsole.h"
-#include "common/debug.h"
-#include "common/endian.h"
-
-#include "graphics/colormasks.h"
-
-
-namespace ZVision {
-
-RlfAnimation::RlfAnimation(const Common::String &fileName, bool stream)
- : _stream(stream),
- _lastFrameRead(0),
- _frameCount(0),
- _width(0),
- _height(0),
- _frameTime(0),
- _frames(0),
- _currentFrame(-1),
- _frameBufferByteSize(0) {
- if (!_file.open(fileName)) {
- warning("RLF animation file %s could not be opened", fileName.c_str());
- return;
- }
-
- if (!readHeader()) {
- warning("%s is not a RLF animation file. Wrong magic number", fileName.c_str());
- return;
- }
-
- _currentFrameBuffer.create(_width, _height, Graphics::createPixelFormat<565>());
- _frameBufferByteSize = _width * _height * sizeof(uint16);
-
- if (!stream) {
- _frames = new Frame[_frameCount];
-
- // Read in each frame
- for (uint i = 0; i < _frameCount; ++i) {
- _frames[i] = readNextFrame();
- }
- }
-}
-
-RlfAnimation::~RlfAnimation() {
- for (uint i = 0; i < _frameCount; ++i) {
- delete[] _frames[i].encodedData;
- }
- delete[] _frames;
- _currentFrameBuffer.free();
-}
-
-bool RlfAnimation::readHeader() {
- if (_file.readUint32BE() != MKTAG('F', 'E', 'L', 'R')) {
- return false;
- }
-
- // Read the header
- _file.readUint32LE(); // Size1
- _file.readUint32LE(); // Unknown1
- _file.readUint32LE(); // Unknown2
- _frameCount = _file.readUint32LE(); // Frame count
-
- // Since we don't need any of the data, we can just seek right to the
- // entries we need rather than read in all the individual entries.
- _file.seek(136, SEEK_CUR);
-
- //// Read CIN header
- //_file.readUint32BE(); // Magic number FNIC
- //_file.readUint32LE(); // Size2
- //_file.readUint32LE(); // Unknown3
- //_file.readUint32LE(); // Unknown4
- //_file.readUint32LE(); // Unknown5
- //_file.seek(0x18, SEEK_CUR); // VRLE
- //_file.readUint32LE(); // LRVD
- //_file.readUint32LE(); // Unknown6
- //_file.seek(0x18, SEEK_CUR); // HRLE
- //_file.readUint32LE(); // ELHD
- //_file.readUint32LE(); // Unknown7
- //_file.seek(0x18, SEEK_CUR); // HKEY
- //_file.readUint32LE(); // ELRH
-
- //// Read MIN info header
- //_file.readUint32BE(); // Magic number FNIM
- //_file.readUint32LE(); // Size3
- //_file.readUint32LE(); // OEDV
- //_file.readUint32LE(); // Unknown8
- //_file.readUint32LE(); // Unknown9
- //_file.readUint32LE(); // Unknown10
- _width = _file.readUint32LE(); // Width
- _height = _file.readUint32LE(); // Height
-
- // Read time header
- _file.readUint32BE(); // Magic number EMIT
- _file.readUint32LE(); // Size4
- _file.readUint32LE(); // Unknown11
- _frameTime = _file.readUint32LE() / 10; // Frame time in microseconds
-
- return true;
-}
-
-RlfAnimation::Frame RlfAnimation::readNextFrame() {
- RlfAnimation::Frame frame;
-
- _file.readUint32BE(); // Magic number MARF
- uint32 size = _file.readUint32LE(); // Size
- _file.readUint32LE(); // Unknown1
- _file.readUint32LE(); // Unknown2
- uint32 type = _file.readUint32BE(); // Either ELHD or ELRH
- uint32 headerSize = _file.readUint32LE(); // Offset from the beginning of this frame to the frame data. Should always be 28
- _file.readUint32LE(); // Unknown3
-
- frame.encodedSize = size - headerSize;
- frame.encodedData = new int8[frame.encodedSize];
- _file.read(frame.encodedData, frame.encodedSize);
-
- if (type == MKTAG('E', 'L', 'H', 'D')) {
- frame.type = Masked;
- } else if (type == MKTAG('E', 'L', 'R', 'H')) {
- frame.type = Simple;
- _completeFrames.push_back(_lastFrameRead);
- } else {
- warning("Frame %u doesn't have type that can be decoded", _lastFrameRead);
- }
-
- _lastFrameRead++;
- return frame;
-}
-
-void RlfAnimation::seekToFrame(int frameNumber) {
- assert(!_stream);
- assert(frameNumber < (int)_frameCount || frameNumber >= -1);
-
- if (frameNumber == -1) {
- _currentFrame = -1;
- return;
- }
-
- int closestFrame = _currentFrame;
- int distance = (int)frameNumber - _currentFrame;
- for (uint i = 0; i < _completeFrames.size(); ++i) {
- int newDistance = (int)frameNumber - (int)(_completeFrames[i]);
- if (newDistance > 0 && (closestFrame == -1 || newDistance < distance)) {
- closestFrame = _completeFrames[i];
- distance = newDistance;
- }
- }
-
- for (int i = closestFrame; i <= frameNumber; ++i) {
- applyFrameToCurrent(i);
- }
-
- _currentFrame = frameNumber;
-}
-
-const Graphics::Surface *RlfAnimation::getFrameData(uint frameNumber) {
- assert(!_stream);
- assert(frameNumber < _frameCount);
-
- // Since this method is so expensive, first check to see if we can use
- // getNextFrame() it's cheap.
- if ((int)frameNumber == _currentFrame) {
- return &_currentFrameBuffer;
- } else if (_currentFrame + 1 == (int)frameNumber) {
- return getNextFrame();
- }
-
- seekToFrame(frameNumber);
- return &_currentFrameBuffer;
-}
-
-const Graphics::Surface *RlfAnimation::getNextFrame() {
- assert(_currentFrame + 1 < (int)_frameCount);
-
- if (_stream) {
- applyFrameToCurrent(readNextFrame());
- } else {
- applyFrameToCurrent(_currentFrame + 1);
- }
-
- _currentFrame++;
- return &_currentFrameBuffer;
-}
-
-void RlfAnimation::applyFrameToCurrent(uint frameNumber) {
- if (_frames[frameNumber].type == Masked) {
- decodeMaskedRunLengthEncoding(_frames[frameNumber].encodedData, (int8 *)_currentFrameBuffer.getPixels(), _frames[frameNumber].encodedSize, _frameBufferByteSize);
- } else if (_frames[frameNumber].type == Simple) {
- decodeSimpleRunLengthEncoding(_frames[frameNumber].encodedData, (int8 *)_currentFrameBuffer.getPixels(), _frames[frameNumber].encodedSize, _frameBufferByteSize);
- }
-}
-
-void RlfAnimation::applyFrameToCurrent(const RlfAnimation::Frame &frame) {
- if (frame.type == Masked) {
- decodeMaskedRunLengthEncoding(frame.encodedData, (int8 *)_currentFrameBuffer.getPixels(), frame.encodedSize, _frameBufferByteSize);
- } else if (frame.type == Simple) {
- decodeSimpleRunLengthEncoding(frame.encodedData, (int8 *)_currentFrameBuffer.getPixels(), frame.encodedSize, _frameBufferByteSize);
- }
-}
-
-void RlfAnimation::decodeMaskedRunLengthEncoding(int8 *source, int8 *dest, uint32 sourceSize, uint32 destSize) const {
- uint32 sourceOffset = 0;
- uint32 destOffset = 0;
-
- while (sourceOffset < sourceSize) {
- int8 numberOfSamples = source[sourceOffset];
- sourceOffset++;
-
- // If numberOfSamples is negative, the next abs(numberOfSamples) samples should
- // be copied directly from source to dest
- if (numberOfSamples < 0) {
- numberOfSamples = ABS(numberOfSamples);
-
- while (numberOfSamples > 0) {
- if (sourceOffset + 1 >= sourceSize) {
- return;
- } else if (destOffset + 1 >= destSize) {
- debug(2, "Frame decoding overflow\n\tsourceOffset=%u\tsourceSize=%u\n\tdestOffset=%u\tdestSize=%u", sourceOffset, sourceSize, destOffset, destSize);
- return;
- }
-
- byte r, g, b;
- Graphics::colorToRGB<Graphics::ColorMasks<555> >(READ_LE_UINT16(source + sourceOffset), r, g, b);
- uint16 destColor = Graphics::RGBToColor<Graphics::ColorMasks<565> >(r, g, b);
- WRITE_UINT16(dest + destOffset, destColor);
-
- sourceOffset += 2;
- destOffset += 2;
- numberOfSamples--;
- }
-
- // If numberOfSamples is >= 0, move destOffset forward ((numberOfSamples * 2) + 2)
- // This function assumes the dest buffer has been memset with 0's.
- } else {
- if (sourceOffset + 1 >= sourceSize) {
- return;
- } else if (destOffset + 1 >= destSize) {
- debug(2, "Frame decoding overflow\n\tsourceOffset=%u\tsourceSize=%u\n\tdestOffset=%u\tdestSize=%u", sourceOffset, sourceSize, destOffset, destSize);
- return;
- }
-
- destOffset += (numberOfSamples * 2) + 2;
- }
- }
-}
-
-void RlfAnimation::decodeSimpleRunLengthEncoding(int8 *source, int8 *dest, uint32 sourceSize, uint32 destSize) const {
- uint32 sourceOffset = 0;
- uint32 destOffset = 0;
-
- while (sourceOffset < sourceSize) {
- int8 numberOfSamples = source[sourceOffset];
- sourceOffset++;
-
- // If numberOfSamples is negative, the next abs(numberOfSamples) samples should
- // be copied directly from source to dest
- if (numberOfSamples < 0) {
- numberOfSamples = ABS(numberOfSamples);
-
- while (numberOfSamples > 0) {
- if (sourceOffset + 1 >= sourceSize) {
- return;
- } else if (destOffset + 1 >= destSize) {
- debug(2, "Frame decoding overflow\n\tsourceOffset=%u\tsourceSize=%u\n\tdestOffset=%u\tdestSize=%u", sourceOffset, sourceSize, destOffset, destSize);
- return;
- }
-
- byte r, g, b;
- Graphics::colorToRGB<Graphics::ColorMasks<555> >(READ_LE_UINT16(source + sourceOffset), r, g, b);
- uint16 destColor = Graphics::RGBToColor<Graphics::ColorMasks<565> >(r, g, b);
- WRITE_UINT16(dest + destOffset, destColor);
-
- sourceOffset += 2;
- destOffset += 2;
- numberOfSamples--;
- }
-
- // If numberOfSamples is >= 0, copy one sample from source to the
- // next (numberOfSamples + 2) dest spots
- } else {
- if (sourceOffset + 1 >= sourceSize) {
- return;
- }
-
- byte r, g, b;
- Graphics::colorToRGB<Graphics::ColorMasks<555> >(READ_LE_UINT16(source + sourceOffset), r, g, b);
- uint16 sampleColor = Graphics::RGBToColor<Graphics::ColorMasks<565> >(r, g, b);
- sourceOffset += 2;
-
- numberOfSamples += 2;
- while (numberOfSamples > 0) {
- if (destOffset + 1 >= destSize) {
- debug(2, "Frame decoding overflow\n\tsourceOffset=%u\tsourceSize=%u\n\tdestOffset=%u\tdestSize=%u", sourceOffset, sourceSize, destOffset, destSize);
- return;
- }
-
- WRITE_UINT16(dest + destOffset, sampleColor);
- destOffset += 2;
- numberOfSamples--;
- }
- }
- }
-}
-
-} // End of namespace ZVision
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