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ScummFile: Don't use the File::_ioFailed flag, rather track the io status separately; also, changed eof() -> eos()

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svn-id: r34389
This commit is contained in:
Max Horn 2008-09-06 20:34:21 +00:00
parent f8bcb0782b
commit 088a1c0806
4 changed files with 12 additions and 8 deletions
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6
engines/scumm/file.cpp
View File

@ -125,8 +125,8 @@ bool ScummFile::openSubFile(const Common::String &filename) {
}
bool ScummFile::eof() {
return _subFileLen ? (pos() >= _subFileLen) : File::eof();
bool ScummFile::eos() {
return _subFileLen ? (pos() >= _subFileLen) : File::eos();
}
uint32 ScummFile::pos() {
@ -167,7 +167,7 @@ uint32 ScummFile::read(void *dataPtr, uint32 dataSize) {
uint32 newPos = curPos + dataSize;
if (newPos > _subFileLen) {
dataSize = _subFileLen - curPos;
_ioFailed = true;
_myIoFailed = true;
}
}

10
engines/scumm/file.h
View File

@ -39,7 +39,7 @@ public:
virtual bool open(const Common::String &filename) = 0;
virtual bool openSubFile(const Common::String &filename) = 0;
virtual bool eof() = 0;
virtual bool eos() = 0;
virtual uint32 pos() = 0;
virtual uint32 size() = 0;
virtual void seek(int32 offs, int whence = SEEK_SET) = 0;
@ -51,6 +51,7 @@ private:
byte _encbyte;
uint32 _subFileStart;
uint32 _subFileLen;
bool _myIoFailed;
public:
ScummFile();
void setEnc(byte value);
@ -61,7 +62,10 @@ public:
bool open(const Common::String &filename);
bool openSubFile(const Common::String &filename);
bool eof();
bool ioFailed() const { return _myIoFailed || BaseScummFile::ioFailed(); }
void clearIOFailed() { _myIoFailed = false; BaseScummFile::clearIOFailed(); }
bool eos();
uint32 pos();
uint32 size();
void seek(int32 offs, int whence = SEEK_SET);
@ -106,7 +110,7 @@ public:
bool openSubFile(const Common::String &filename);
void close();
bool eof() { return _stream->eos(); }
bool eos() { return _stream->eos(); }
uint32 pos() { return _stream->pos(); }
uint32 size() { return _stream->size(); }
void seek(int32 offs, int whence = SEEK_SET) { _stream->seek(offs, whence); }

2
engines/scumm/resource.cpp
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@ -253,7 +253,7 @@ void ScummEngine::readIndexFile() {
if (_game.version <= 5) {
// Figure out the sizes of various resources
while (!_fileHandle->eof()) {
while (!_fileHandle->eos()) {
blocktype = _fileHandle->readUint32BE();
itemsize = _fileHandle->readUint32BE();
if (_fileHandle->ioFailed())

2
engines/scumm/resource_v4.cpp
View File

@ -62,7 +62,7 @@ void ScummEngine_v4::readIndexFile() {
closeRoom();
openRoom(0);
while (!_fileHandle->eof()) {
while (!_fileHandle->eos()) {
// Figure out the sizes of various resources
itemsize = _fileHandle->readUint32LE();
blocktype = _fileHandle->readUint16LE();