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-rw-r--r--src/OSSupport/File.cpp29
-rw-r--r--src/OSSupport/File.h11
-rwxr-xr-xsrc/WorldStorage/WSSAnvil.cpp33
3 files changed, 49 insertions, 24 deletions
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 03cddc408..09f6147b2 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -147,7 +147,7 @@ bool cFile::IsEOF(void) const
-int cFile::Read (void * iBuffer, size_t iNumBytes)
+int cFile::Read (void * a_Buffer, size_t a_NumBytes)
{
ASSERT(IsOpen());
@@ -156,14 +156,35 @@ int cFile::Read (void * iBuffer, size_t iNumBytes)
return -1;
}
- return static_cast<int>(fread(iBuffer, 1, static_cast<size_t>(iNumBytes), m_File)); // fread() returns the portion of Count parameter actually read, so we need to send iNumBytes as Count
+ return static_cast<int>(fread(a_Buffer, 1, a_NumBytes, m_File)); // fread() returns the portion of Count parameter actually read, so we need to send a_a_NumBytes as Count
}
-int cFile::Write(const void * iBuffer, size_t iNumBytes)
+AString cFile::Read(size_t a_NumBytes)
+{
+ ASSERT(IsOpen());
+
+ if (!IsOpen())
+ {
+ return AString();
+ }
+
+ // HACK: This depends on the knowledge that AString::data() returns the internal buffer, rather than a copy of it.
+ AString res;
+ res.resize(a_NumBytes);
+ auto newSize = fread(const_cast<char *>(res.data()), 1, a_NumBytes, m_File);
+ res.resize(newSize);
+ return res;
+}
+
+
+
+
+
+int cFile::Write(const void * a_Buffer, size_t a_NumBytes)
{
ASSERT(IsOpen());
@@ -172,7 +193,7 @@ int cFile::Write(const void * iBuffer, size_t iNumBytes)
return -1;
}
- int res = static_cast<int>(fwrite(iBuffer, 1, static_cast<size_t>(iNumBytes), m_File)); // fwrite() returns the portion of Count parameter actually written, so we need to send iNumBytes as Count
+ int res = static_cast<int>(fwrite(a_Buffer, 1, a_NumBytes, m_File)); // fwrite() returns the portion of Count parameter actually written, so we need to send a_NumBytes as Count
return res;
}
diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h
index 6281d1494..b8381ac0e 100644
--- a/src/OSSupport/File.h
+++ b/src/OSSupport/File.h
@@ -80,11 +80,14 @@ public:
bool IsOpen(void) const;
bool IsEOF(void) const;
- /** Reads up to iNumBytes bytes into iBuffer, returns the number of bytes actually read, or -1 on failure; asserts if not open */
- int Read (void * iBuffer, size_t iNumBytes);
+ /** Reads up to a_NumBytes bytes into a_Buffer, returns the number of bytes actually read, or -1 on failure; asserts if not open */
+ int Read(void * a_Buffer, size_t a_NumBytes);
- /** Writes up to iNumBytes bytes from iBuffer, returns the number of bytes actually written, or -1 on failure; asserts if not open */
- int Write(const void * iBuffer, size_t iNumBytes);
+ /** Reads up to a_NumBytes bytes, returns the bytes actually read, or empty string on failure; asserts if not open */
+ AString Read(size_t a_NumBytes);
+
+ /** Writes up to a_NumBytes bytes from a_Buffer, returns the number of bytes actually written, or -1 on failure; asserts if not open */
+ int Write(const void * a_Buffer, size_t a_NumBytes);
/** Seeks to iPosition bytes from file start, returns old position or -1 for failure; asserts if not open */
long Seek (int iPosition);
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp
index a4c9f4fbf..3bba0a969 100755
--- a/src/WorldStorage/WSSAnvil.cpp
+++ b/src/WorldStorage/WSSAnvil.cpp
@@ -109,11 +109,11 @@ cWSSAnvil::cWSSAnvil(cWorld * a_World, int a_CompressionFactor) :
Writer.AddByte("thundering", a_World->IsWeatherStorm() ? 1 : 0);
Writer.AddInt("GameType", static_cast<int>(a_World->GetGameMode()));
Writer.AddInt("generatorVersion", 1);
- Writer.AddInt("SpawnX", static_cast<int>(a_World->GetSpawnX()));
- Writer.AddInt("SpawnY", static_cast<int>(a_World->GetSpawnY()));
- Writer.AddInt("SpawnZ", static_cast<int>(a_World->GetSpawnZ()));
+ Writer.AddInt("SpawnX", FloorC(a_World->GetSpawnX()));
+ Writer.AddInt("SpawnY", FloorC(a_World->GetSpawnY()));
+ Writer.AddInt("SpawnZ", FloorC(a_World->GetSpawnZ()));
Writer.AddInt("version", 19133);
- Writer.AddLong("DayTime", static_cast<Int64>(a_World->GetTimeOfDay()));
+ Writer.AddLong("DayTime", a_World->GetTimeOfDay());
Writer.AddLong("Time", a_World->GetWorldAge());
Writer.AddLong("SizeOnDisk", 0);
Writer.AddString("generatorName", "default");
@@ -122,11 +122,6 @@ cWSSAnvil::cWSSAnvil(cWorld * a_World, int a_CompressionFactor) :
Writer.EndCompound();
Writer.Finish();
- #ifdef _DEBUG
- cParsedNBT TestParse(Writer.GetResult().data(), Writer.GetResult().size());
- ASSERT(TestParse.IsValid());
- #endif // _DEBUG
-
gzFile gz = gzopen((FILE_IO_PREFIX + fnam).c_str(), "wb");
if (gz != nullptr)
{
@@ -1888,7 +1883,7 @@ void cWSSAnvil::LoadArrowFromNBT(cEntityList & a_Entities, const cParsedNBT & a_
case TAG_Short:
{
// Vanilla uses this
- Arrow->SetBlockHit(Vector3i(static_cast<int>(a_NBT.GetShort(InBlockXIdx)), static_cast<int>(a_NBT.GetShort(InBlockYIdx)), static_cast<int>(a_NBT.GetShort(InBlockZIdx))));
+ Arrow->SetBlockHit(Vector3i(a_NBT.GetShort(InBlockXIdx), a_NBT.GetShort(InBlockYIdx), a_NBT.GetShort(InBlockZIdx)));
break;
}
default:
@@ -3138,15 +3133,22 @@ bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a
return false;
}
- m_File.Seek(static_cast<int>(ChunkOffset) * 4096);
+ m_File.Seek(static_cast<int>(ChunkOffset * 4096));
- int ChunkSize = 0;
+ UInt32 ChunkSize = 0;
if (m_File.Read(&ChunkSize, 4) != 4)
{
LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
return false;
}
- ChunkSize = ntohl(static_cast<u_long>(ChunkSize));
+ ChunkSize = ntohl(ChunkSize);
+ if (ChunkSize < 1)
+ {
+ // Chunk size too small
+ LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
+ return false;
+ }
+
char CompressionType = 0;
if (m_File.Read(&CompressionType, 1) != 1)
{
@@ -3161,9 +3163,8 @@ bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a
}
ChunkSize--;
- // HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
- a_Data.assign(static_cast<size_t>(ChunkSize), '\0');
- if (static_cast<size_t>(m_File.Read(static_cast<void *>(const_cast<char*>(a_Data.data())), static_cast<size_t>(ChunkSize))) == static_cast<size_t>(ChunkSize))
+ a_Data = m_File.Read(ChunkSize);
+ if (a_Data.size() == ChunkSize)
{
return true;
}