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Diffstat (limited to 'engines/mohawk/myst_graphics.cpp')
-rw-r--r--engines/mohawk/myst_graphics.cpp136
1 files changed, 31 insertions, 105 deletions
diff --git a/engines/mohawk/myst_graphics.cpp b/engines/mohawk/myst_graphics.cpp
index ae80dd5538..2df0f7e6ba 100644
--- a/engines/mohawk/myst_graphics.cpp
+++ b/engines/mohawk/myst_graphics.cpp
@@ -49,8 +49,6 @@ MystGraphics::MystGraphics(MohawkEngine_Myst* vm) : GraphicsManager(), _vm(vm) {
if (_pixelFormat.bytesPerPixel == 1)
error("Myst requires greater than 256 colors to run");
- _pictureFile.entries = NULL;
-
// Initialize our buffer
_backBuffer = new Graphics::Surface();
_backBuffer->create(_vm->_system->getWidth(), _vm->_system->getHeight(), _pixelFormat);
@@ -61,122 +59,50 @@ MystGraphics::MystGraphics(MohawkEngine_Myst* vm) : GraphicsManager(), _vm(vm) {
MystGraphics::~MystGraphics() {
delete _bmpDecoder;
- delete[] _pictureFile.entries;
_backBuffer->free();
delete _backBuffer;
}
-static const char *s_picFileNames[] = {
- "CHpics",
- "",
- "",
- "DUpics",
- "INpics",
- "",
- "MEpics",
- "MYpics",
- "SEpics",
- "",
- "",
- "STpics"
-};
-
-void MystGraphics::loadExternalPictureFile(uint16 stack) {
- if (_vm->getPlatform() != Common::kPlatformMacintosh)
- return;
-
- if (_pictureFile.picFile.isOpen())
- _pictureFile.picFile.close();
- delete[] _pictureFile.entries;
-
- if (!scumm_stricmp(s_picFileNames[stack], ""))
- return;
-
- if (!_pictureFile.picFile.open(s_picFileNames[stack]))
- error ("Could not open external picture file \'%s\'", s_picFileNames[stack]);
-
- _pictureFile.pictureCount = _pictureFile.picFile.readUint32BE();
- _pictureFile.entries = new PictureFile::PictureEntry[_pictureFile.pictureCount];
-
- for (uint32 i = 0; i < _pictureFile.pictureCount; i++) {
- _pictureFile.entries[i].offset = _pictureFile.picFile.readUint32BE();
- _pictureFile.entries[i].size = _pictureFile.picFile.readUint32BE();
- _pictureFile.entries[i].id = _pictureFile.picFile.readUint16BE();
- _pictureFile.entries[i].type = _pictureFile.picFile.readUint16BE();
- _pictureFile.entries[i].width = _pictureFile.picFile.readUint16BE();
- _pictureFile.entries[i].height = _pictureFile.picFile.readUint16BE();
+MohawkSurface *MystGraphics::decodeImage(uint16 id) {
+ // We need to grab the image from the current stack archive, however, we don't know
+ // if it's a PICT or WDIB resource. If it's Myst ME it's most likely a PICT, and if it's
+ // original it's definitely a WDIB. However, Myst ME throws us another curve ball in
+ // that PICT resources can contain WDIB's instead of PICT's.
+ Common::SeekableReadStream *dataStream = NULL;
+
+ if (_vm->getFeatures() & GF_ME && _vm->hasResource(ID_PICT, id)) {
+ // The PICT resource exists. However, it could still contain a MystBitmap
+ // instead of a PICT image...
+ dataStream = _vm->getResource(ID_PICT, id);
+ } else {
+ // No PICT, so the WDIB must exist. Let's go grab it.
+ dataStream = _vm->getResource(ID_WDIB, id);
}
-}
-MohawkSurface *MystGraphics::decodeImage(uint16 id) {
- MohawkSurface *mhkSurface = 0;
+ bool isPict = false;
- // Myst ME uses JPEG/PICT images instead of compressed Windows Bitmaps for room images,
- // though there are a few weird ones that use that format. For further nonsense with images,
- // the Macintosh version stores images in external "picture files." We check them before
- // going to check for a PICT resource.
- if (_vm->getFeatures() & GF_ME && _vm->getPlatform() == Common::kPlatformMacintosh && _pictureFile.picFile.isOpen()) {
- for (uint32 i = 0; i < _pictureFile.pictureCount; i++)
- if (_pictureFile.entries[i].id == id) {
- if (_pictureFile.entries[i].type == 0) {
- Graphics::JPEGDecoder jpeg;
- Common::SeekableSubReadStream subStream(&_pictureFile.picFile, _pictureFile.entries[i].offset, _pictureFile.entries[i].offset + _pictureFile.entries[i].size);
-
- if (!jpeg.loadStream(subStream))
- error("Could not decode Myst ME Mac JPEG");
-
- mhkSurface = new MohawkSurface(jpeg.getSurface()->convertTo(_pixelFormat));
- } else if (_pictureFile.entries[i].type == 1) {
- Graphics::PICTDecoder pict;
- Common::SeekableSubReadStream subStream(&_pictureFile.picFile, _pictureFile.entries[i].offset, _pictureFile.entries[i].offset + _pictureFile.entries[i].size);
-
- if (!pict.loadStream(subStream))
- error("Could not decode Myst ME Mac PICT");
-
- mhkSurface = new MohawkSurface(pict.getSurface()->convertTo(_pixelFormat));
- } else
- error ("Unknown Picture File type %d", _pictureFile.entries[i].type);
- break;
- }
+ if (_vm->getFeatures() & GF_ME) {
+ // Here we detect whether it's really a PICT or a WDIB. Since a MystBitmap
+ // would be compressed, there's no way to detect for the BM without a hack.
+ // So, we search for the PICT version opcode for detection.
+ dataStream->seek(512 + 10); // 512 byte pict header
+ isPict = (dataStream->readUint32BE() == 0x001102FF);
+ dataStream->seek(0);
}
- // We're not using the external Mac files, so it's time to delve into the main Mohawk
- // archives. However, we still don't know if it's a PICT or WDIB resource. If it's Myst
- // ME it's most likely a PICT, and if it's original it's definitely a WDIB. However,
- // Myst ME throws us another curve ball in that PICT resources can contain WDIB's instead
- // of PICT's.
- if (!mhkSurface) {
- bool isPict = false;
- Common::SeekableReadStream *dataStream = NULL;
-
- if (_vm->getFeatures() & GF_ME && _vm->hasResource(ID_PICT, id)) {
- // The PICT resource exists. However, it could still contain a MystBitmap
- // instead of a PICT image...
- dataStream = _vm->getResource(ID_PICT, id);
- } else // No PICT, so the WDIB must exist. Let's go grab it.
- dataStream = _vm->getResource(ID_WDIB, id);
-
- if (_vm->getFeatures() & GF_ME) {
- // Here we detect whether it's really a PICT or a WDIB. Since a MystBitmap
- // would be compressed, there's no way to detect for the BM without a hack.
- // So, we search for the PICT version opcode for detection.
- dataStream->seek(512 + 10); // 512 byte pict header
- isPict = (dataStream->readUint32BE() == 0x001102FF);
- dataStream->seek(0);
- }
+ MohawkSurface *mhkSurface = 0;
- if (isPict) {
- Graphics::PICTDecoder pict;
+ if (isPict) {
+ Graphics::PICTDecoder pict;
- if (!pict.loadStream(*dataStream))
- error("Could not decode Myst ME PICT");
+ if (!pict.loadStream(*dataStream))
+ error("Could not decode Myst ME PICT");
- mhkSurface = new MohawkSurface(pict.getSurface()->convertTo(_pixelFormat));
- } else {
- mhkSurface = _bmpDecoder->decodeImage(dataStream);
- mhkSurface->convertToTrueColor();
- }
+ mhkSurface = new MohawkSurface(pict.getSurface()->convertTo(_pixelFormat));
+ } else {
+ mhkSurface = _bmpDecoder->decodeImage(dataStream);
+ mhkSurface->convertToTrueColor();
}
assert(mhkSurface);