thirdparty/scummvm
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SHERLOCK: Implement ImageFile nibble mode, fixes for scene data loading

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This commit is contained in:
Paul Gilbert 2015-03-22 10:48:28 -04:00
parent e444d989bb
commit 840bd862b7
6 changed files with 40 additions and 39 deletions
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49
engines/sherlock/scene.cpp
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@ -212,7 +212,7 @@ void Scene::freeScene() {
_walkData.clear();
_cAnim.clear();
_bgShapes.clear();
_roomBounds.clear();
_bounds.clear();
_canimShapes.clear();
for (uint idx = 0; idx < _images.size(); ++idx)
@ -241,8 +241,8 @@ bool Scene::loadScene(const Common::String &filename) {
_ongoingCans = 0;
// Reset the list of walkable areas
_roomBounds.clear();
_roomBounds.push_back(Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
_bounds.clear();
_bounds.push_back(Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
_descText.clear();
_comments = "";
@ -281,7 +281,7 @@ bool Scene::loadScene(const Common::String &filename) {
decompressLZ(*rrmStream, bgHeader._numImages * 569 +
bgHeader._descSize + bgHeader._seqSize);
_bgShapes.resize(bgHeader._numStructs + 1);
_bgShapes.resize(bgHeader._numStructs);
for (int idx = 0; idx < bgHeader._numStructs; ++idx)
_bgShapes[idx].synchronize(*infoStream);
@ -305,13 +305,13 @@ bool Scene::loadScene(const Common::String &filename) {
_images[idx + 1]._maxFrames = bgInfo[idx]._maxFrames;
// Read in the image data
Common::SeekableReadStream *imageStream = !_lzwMode ? rrmStream :
decompressLZ(*rrmStream, bgInfo[idx]._filesize);
Common::SeekableReadStream *imageStream = _lzwMode ?
decompressLZ(*rrmStream, bgInfo[idx]._filesize) :
rrmStream->readStream(bgInfo[idx]._filesize);
_images[idx + 1]._images = new ImageFile(*imageStream);
if (_lzwMode)
delete imageStream;
delete imageStream;
}
// Set up the bgShapes
@ -331,44 +331,41 @@ bool Scene::loadScene(const Common::String &filename) {
&(*_bgShapes[idx]._images)[0];
}
// Set up end of list
_bgShapes[bgHeader._numStructs]._sequences = &_sequenceBuffer[0] + bgHeader._seqSize;
_bgShapes[bgHeader._numStructs]._examine = nullptr;
// Load in cAnim list
Common::SeekableReadStream *canimStream = !_lzwMode ? rrmStream :
decompressLZ(*rrmStream, 65 * bgHeader._numcAnimations);
Common::SeekableReadStream *canimStream = _lzwMode ?
decompressLZ(*rrmStream, 65 * bgHeader._numcAnimations) :
rrmStream->readStream(65 * bgHeader._numcAnimations);
_cAnim.resize(bgHeader._numcAnimations);
for (uint idx = 0; idx < _cAnim.size(); ++idx)
_cAnim[idx].synchronize(*canimStream);
if (_lzwMode)
delete canimStream;
delete canimStream;
// Read in the room bounding areas
int size = rrmStream->readUint16LE();
Common::SeekableReadStream *boundsStream = !_lzwMode ? rrmStream :
decompressLZ(*rrmStream, size);
_roomBounds.resize(size / 10);
for (uint idx = 0; idx < _roomBounds.size(); ++idx) {
_roomBounds[idx].left = boundsStream->readSint16LE();
_roomBounds[idx].top = boundsStream->readSint16LE();
_roomBounds[idx].setWidth(boundsStream->readSint16LE());
_roomBounds[idx].setHeight(boundsStream->readSint16LE());
_bounds.resize(size / 10);
for (uint idx = 0; idx < _bounds.size(); ++idx) {
_bounds[idx].left = boundsStream->readSint16LE();
_bounds[idx].top = boundsStream->readSint16LE();
_bounds[idx].setWidth(boundsStream->readSint16LE());
_bounds[idx].setHeight(boundsStream->readSint16LE());
boundsStream->skip(2); // Skip unused scene number field
}
if (_lzwMode)
delete boundsStream;
// Back at version byte, so skip over it
rrmStream->skip(1);
// Ensure we've reached the path version byte
if (rrmStream->readByte() != 254)
error("Invalid scene path data");
// Load the walk directory
for (int idx1 = 0; idx1 < MAX_ZONES; ++idx1) {
for (int idx2 = 0; idx2 < MAX_ZONES; ++idx2)
for (uint idx1 = 0; idx1 < _bounds.size(); ++idx1) {
for (uint idx2 = 0; idx2 < _bounds.size(); ++idx2)
_walkDirectory[idx1][idx2] = rrmStream->readSint16LE();
}