void NifStream( unsigned short const & val, ostream& out, const NifInfo & info ) {
if ( info.endian == sys_endian ) {
WriteUShort( val, out );
} else {
WriteUShort( SwapEndian(val), out );
}
}
bool Write()
{
Conn->Write((char*) Protocol, sizeof(Protocol), 0);
WriteUShort(Command);
WriteULong(Status.Status);
WriteUChar(Flags);
WriteUShort(Flags2);
Conn->Write((char*) Pad, sizeof(Pad), 0);
WriteUShort(Tid);
WriteUShort(Pid);
WriteUShort(Uid);
WriteUShort(Mid);
WriteUChar(WordCount);
if (ParameterWords)
{
Conn->Write((char*) ParameterWords, sizeof(ushort)*WordCount, 0);
}
WriteUChar(ByteCount);
if (Buffer)
{
Conn->Write((char*) Buffer, sizeof(uchar)*ByteCount, 0);
}
return true;
}
void NifStream( Triangle const & val, ostream& out, const NifInfo & info ) {
WriteUShort( val.v1, out );
WriteUShort( val.v2, out );
WriteUShort( val.v3, out );
};
int llExportMap::Init(void) {
if (!llWorker::Init()) return 0;
if (!Used("-mapname"))
mapname = "_heightmap";
if (!Used("-filename"))
filename = "world.bmp";
if (!Used("-depth"))
bits = 24;
llMap * map = _llMapList()->GetMap(mapname);
if (!map) {
_llLogger()->WriteNextLine(-LOG_ERROR,"%s: map '%s' not found", command_name, mapname);
return 0;
}
FILE *fptr;
if (fopen_s(&fptr, filename,"wb")) {
_llLogger()->WriteNextLine(-LOG_ERROR,"Unable to open BMP file '%s'\n", filename);
return 0;
}
int x1 = map->GetRawX(_llUtils()->x00);
int y1 = map->GetRawY(_llUtils()->y00);
int x2 = map->GetRawX(_llUtils()->x11);
int y2 = map->GetRawY(_llUtils()->y11);
INFOHEADER infoheader;
infoheader.width = x2-x1+1;
infoheader.height = y2-y1+1;
infoheader.compression=0;
infoheader.size = 40;
infoheader.planes = 1; /* Number of colour planes */
int bytesPerLine;
if (bits == 24)
infoheader.bits = 24; /* Bits per pixel */
else
infoheader.bits = 32;
if (bits == 24) {
bytesPerLine = infoheader.width * 3; /* (for 24 bit images) */
/* round up to a dword boundary */
//Thanks to
//http://www.siggraph.org/education/materials/HyperVis/asp_data/compimag/bmpfile.htm
//for the hint
if (bytesPerLine & 0x0003) {
bytesPerLine |= 0x0003;
++bytesPerLine;
}
} else
bytesPerLine = infoheader.width * 4;
infoheader.imagesize = (long)bytesPerLine*infoheader.height; /* Image size in bytes */
infoheader.xresolution=100;
infoheader.yresolution=100; /* Pixels per meter */
infoheader.ncolours=0; /* Number of colours */
infoheader.importantcolours; /* Important colours */
HEADER header;
header.type='M'*256+'B';
header.size = 14 + 40 + infoheader.imagesize;
header.reserved1 = header.reserved2 = 0;
WriteUShort(fptr, header.type, 0);
WriteUInt (fptr, header.size, 0);
WriteUShort(fptr, header.reserved1, 0);
WriteUShort(fptr, header.reserved2, 0);
header.offset = 14+40;
WriteUInt(fptr, header.offset, 0);
/* Read and check the information header */
if (fwrite(&infoheader, sizeof(INFOHEADER), 1, fptr) != 1) {
_llLogger()->WriteNextLine(-LOG_ERROR,"Failed to write BMP info header");
return 0;
}
for (int y=y2; y>=y1; y--) {
int my_bytesPerLine = bytesPerLine;
for (int x=x2; x>=x1; x--) {
unsigned char byte1;
unsigned char byte2;
unsigned char byte3;
unsigned char byte4;
if (map->GetTupel(x, y, &byte1, &byte2, &byte3, &byte4)) {
if (bits == 24) {
my_bytesPerLine -= 3;
fwrite(&byte1, 1, 1, fptr); //blue
fwrite(&byte2, 1, 1, fptr); //green
fwrite(&byte3, 1, 1, fptr); //red
} else {
fwrite(&byte1, 1, 1, fptr); //blue
fwrite(&byte2, 1, 1, fptr); //green
fwrite(&byte3, 1, 1, fptr); //red
fwrite(&byte4, 1, 1, fptr); //alpha
my_bytesPerLine -= 4;
}
}
#if 0
float val = map->GetElementRaw(x,y);
if (bits == 24) {
my_bytesPerLine -= 3;
unsigned int trunk1 = int(val) & 0xff;
unsigned int trunk2 = (int(val) & 0xff00) >> 8;
unsigned int trunk3 = (int(val) & 0xff0000) >> 16;
fwrite(&trunk1, 1, 1, fptr); //blue
fwrite(&trunk2, 1, 1, fptr); //green
fwrite(&trunk3, 1, 1, fptr); //red
} else {
WriteUInt(fptr,unsigned int(val), 0);
my_bytesPerLine -= 4;
}
#endif
}
