void ROM::mem_init(const char *filename, int fileoffset, int memoffset, int size)
{
sc_bv<8> byte;
int addr = memoffset;
int c;
ifstream memf(filename, ios::in | ios::binary);
memf.seekg(fileoffset);
while (!memf.eof() && size > 0)
{
c = memf.get();
if (memf.eof()) break;
byte = c;
mem[addr] = byte;
addr++;
size--;
if (addr >= ROMSIZE)
break;
}
memf.close();
}
int CMLODFile::Read(CFile *in) {
size = (int)in->SeekToEnd();
in->SeekToBegin();
if (size == 0) return 0;
if (data != NULL) delete[] data;
data = new unsigned char[size];
UINT bytes_read = in->Read(data, size);
CMemFile memf(data, size, 0);
p3d_header header;
memf.Read(&header, sizeof(p3d_header));
textureList.RemoveAll();
for (int l = 0; l < header.lodcount; l++) {
lod_header lodheader;
memf.Read(&lodheader, sizeof(lod_header));
// skip vertex & normal data
memf.Seek(lodheader.vertices * 16 + lodheader.normals * 12, CMemFile::current);
for (int f = 0; f < lodheader.polygons; f++) {
poly_data poly;
int pos = (int)memf.GetPosition();
unsigned char *strpos = data + pos;
textureList.AddTail(strpos);
memf.Read(&poly, sizeof(poly_data));
}
// skip "TAGG" marker
memf.Seek(4, CMemFile::current);
tag_header tag;
do {
memf.Read(&tag, sizeof(tag_header));
memf.Seek(tag.size, CMemFile::current);
} while (strncmp(tag.name, "#EndOfFile#", 63) != 0);
// skip lod resolution
memf.Seek(4, CMemFile::current);
}
memf.Close();
return size;
}
void ROM::mem_dump(const char *filename, int memoffset, int size)
{
ofstream memf(filename, ios::out | ios::binary);
int addr = memoffset;
unsigned char c;
sc_uint<8> a;
while (addr < ROMSIZE && size > 0)
{
a = mem[addr];
c = a;
memf.put(c);
addr++;
size--;
}
memf.close();
}
