bool csSimpleFormerLoader::LoadHeightmap32 (iDocumentNode* child,
iSimpleFormerState* state)
{
csRef<iDataBuffer> buf;
if (!(buf = GetDataBuffer (child)))
return false;
char* data = buf->GetData ();
char c1 = *data++;
char c2 = *data++;
char c3 = *data++;
char c4 = *data++;
if (c1 != 'H' || c2 != 'M' || c3 != '3' || c4 != '2')
{
const char *filename = child->GetContentsValue ();
synldr->ReportError ("crystalspace.terraformer.simple.loader",
child, "File '%s' is not a heightmap32 file", filename);
return false;
}
uint32 width = csLittleEndian::Convert (csGetFromAddress::UInt32 (data));
data += 4;
uint32 height = csLittleEndian::Convert (csGetFromAddress::UInt32 (data));
data += 4;
if (buf->GetSize () != (4+4+4+ width*height*4))
{
const char *filename = child->GetContentsValue ();
synldr->ReportError ("crystalspace.terraformer.simple.loader",
child, "File '%s' is not a valid heightmap32 file: size mismatch",
filename);
return false;
}
RawHeightmapReader<GetterUint32<csLittleEndian> > reader (this, state);
if (!reader.ReadData (data, width, height))
return false;
return true;
}
bool HeightFeederParser::Load (float* outputBuffer, size_t outputWidth,
size_t outputHeight, size_t outputPitch, float heightScale, float offset)
{
if (sourceFormat == HEIGHT_SOURCE_IMAGE)
{
return LoadFromImage (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset);
}
// Handle loading from all other (raw) formats
if (!vfs)
return false;
size_t valueSize = 0;
switch (sourceFormat)
{
case HEIGHT_SOURCE_RAW8:
valueSize = sizeof (uint8);
break;
case HEIGHT_SOURCE_RAW16LE:
case HEIGHT_SOURCE_RAW16BE:
valueSize = sizeof (uint16);
break;
case HEIGHT_SOURCE_RAW32LE:
case HEIGHT_SOURCE_RAW32BE:
case HEIGHT_SOURCE_RAWFLOATLE:
case HEIGHT_SOURCE_RAWFLOATBE:
valueSize = sizeof (uint32);
break;
case HEIGHT_SOURCE_IMAGE:
// Can not happen.
CS_ASSERT (false);
}
csRef<iDataBuffer> buf = vfs->ReadFile (sourceLocation.GetDataSafe (),
false);
if (!buf ||
((outputHeight * outputWidth * valueSize) != buf->GetSize ()))
return false;
switch (sourceFormat)
{
case HEIGHT_SOURCE_RAW8:
{
RawHeightmapReader<GetterUint8> reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAW16LE:
{
RawHeightmapReader<GetterUint16<csLittleEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAW16BE:
{
RawHeightmapReader<GetterUint16<csBigEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAW32LE:
{
RawHeightmapReader<GetterUint32<csLittleEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAW32BE:
{
RawHeightmapReader<GetterUint32<csBigEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAWFLOATLE:
{
RawHeightmapReader<GetterFloat<csLittleEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_RAWFLOATBE:
{
RawHeightmapReader<GetterFloat<csBigEndian> > reader;
return reader.ReadData (outputBuffer, outputWidth, outputHeight,
outputPitch, heightScale, offset, buf->GetData ());
}
break;
case HEIGHT_SOURCE_IMAGE:
// @@@FIXME: Handle this case?
break;
}
return false;
}