void put_constants() {
ser_u32(constants.size());
for (const auto &cnst : constants) {
ser_type(cnst->type);
switch (cnst->type) {
case TC::NIL:
break;
case TC::BLN:
ser_u8(cnst->u.as_bool);
break;
case TC::INT:
ser_u64(cnst->u.as_int);
break;
case TC::FLT:
ser_f64(cnst->u.as_float);
break;
case TC::STR:
ser_str(*(cnst->u.as_str));
break;
case TC::SYM:
ser_str(*(cnst->u.as_str));
break;
}
}
}
size_t serialize(gu::byte_t* buf, size_t buflen, size_t offset) const
{
if (buflen < offset + str_size_)
{
gu_throw_error (EMSGSIZE) << str_size_
<< " > " << (buflen-offset);
}
std::string ser_str(str_);
ser_str.resize(str_size_, '\0');
(void)std::copy(ser_str.data(), ser_str.data() + ser_str.size(),
buf + offset);
return offset + str_size_;
}
static cstring *ser_wallet_root(const struct wallet *wlt)
{
cstring *rs = cstr_new_sz(8);
ser_u32(rs, wlt->version);
ser_bytes(rs, &wlt->chain->netmagic[0], 4);
const uint32_t n_settings = 1;
ser_varlen(rs, n_settings);
ser_str(rs, "def_acct", 64);
ser_varstr(rs, wlt->def_acct);
return rs;
}
cstring *ser_msg_version(const struct msg_version *mv)
{
cstring *s = cstr_new_sz(256);
ser_u32(s, mv->nVersion);
ser_u64(s, mv->nServices);
ser_s64(s, mv->nTime);
ser_bp_addr(s, MIN_PROTO_VERSION, &mv->addrTo);
ser_bp_addr(s, MIN_PROTO_VERSION, &mv->addrFrom);
ser_u64(s, mv->nonce);
ser_str(s, mv->strSubVer, sizeof(mv->strSubVer));
ser_u32(s, mv->nStartingHeight);
return s;
}
void test_serialize()
{
char hex0[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c1";
char hex1[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c2";
char hex2[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c3";
uint8_t* hash0 = malloc(32);
uint8_t* hash1 = malloc(32);
uint8_t* hash2 = malloc(32);
memcpy(hash0, utils_hex_to_uint8(hex0), 32);
memcpy(hash1, utils_hex_to_uint8(hex1), 32);
memcpy(hash2, utils_hex_to_uint8(hex2), 32);
vector* vec = vector_new(5, free);
vector_add(vec, hash0);
vector_add(vec, hash1);
vector_add(vec, hash2);
cstring* s = cstr_new_sz(200);
ser_u256_vector(s, vec);
vector_free(vec, true);
vector* vec2 = vector_new(0, NULL);
struct const_buffer buf = {s->str, s->len};
deser_u256_vector(&vec2, &buf);
vector_free(vec2, true);
cstr_free(s, true);
cstring* s2 = cstr_new_sz(200);
ser_u16(s2, 0xAAFF);
ser_u32(s2, 0xDDBBAAFF);
ser_u64(s2, 0x99FF99FFDDBBAAFF);
ser_varlen(s2, 10);
ser_varlen(s2, 1000);
ser_varlen(s2, 100000000);
ser_str(s2, "test", 4);
cstring* s3 = cstr_new("foo");
ser_varstr(s2, s3);
cstr_free(s3, true);
// ser_varlen(s2, (uint64_t)0x9999999999999999); // uint64 varlen is not supported right now
struct const_buffer buf2 = {s2->str, s2->len};
uint16_t num0;
deser_u16(&num0, &buf2);
assert(num0 == 43775); //0xAAFF
uint32_t num1;
deser_u32(&num1, &buf2);
assert(num1 == 3720063743); //0xDDBBAAFF
uint64_t num2;
deser_u64(&num2, &buf2);
assert(num2 == 0x99FF99FFDDBBAAFF); //0x99FF99FFDDBBAAFF
uint32_t num3;
deser_varlen(&num3, &buf2);
assert(num3 == 10);
deser_varlen(&num3, &buf2);
assert(num3 == 1000);
deser_varlen(&num3, &buf2);
assert(num3 == 100000000);
char strbuf[255];
deser_str(strbuf, &buf2, 255);
assert(strncmp(strbuf, "test", 4) == 0);
cstring* deser_test = cstr_new_sz(0);
deser_varstr(&deser_test, &buf2);
assert(strncmp(deser_test->str, "foo", 3) == 0);
cstr_free(deser_test, true);
cstr_free(s2, true);
}
ShapeParser::ShapeParseResult ShapeParser::serialized(const XMLNode& node, ParserState& S)
{
auto filename = S.map_asset_filepath(S.def_storage.prop_string(node, "filename"));
int submesh_index = S.def_storage.prop_int(node, "shapeIndex");
bool flipNormals = S.def_storage.prop_bool(node, "flipNormals", false);
bool faceNormals = S.def_storage.prop_bool(node, "faceNormals", false);
float maxSmoothAngle = S.def_storage.prop_float(node, "maxSmoothAngle", 0.0f);
auto name = boost::filesystem::path(filename).stem().string();
auto compiled_tar_folder = S.scene.getFileManager()->getCompiledMeshPath("") + name + "/";
auto get_compiled_submesh_filename = [&](size_t i)
{
return compiled_tar_folder + std::to_string(i) + ".xmsh";
};
if (!boost::filesystem::exists(compiled_tar_folder) || !boost::filesystem::exists(get_compiled_submesh_filename(0)))
{
boost::filesystem::create_directory(compiled_tar_folder);
enum DataPresentFlag : uint32_t
{
VertexNormals = 0x0001,
TextureCoords = 0x0002,
VertexColors = 0x0008,
UseFaceNormals = 0x0010,
SinglePrecision = 0x1000,
DoublePrecision = 0x2000,
};
struct inflateStream
{
std::ifstream& m_childStream;
size_t str_length;
z_stream m_inflateStream;
uint8_t m_inflateBuffer[32768];
inflateStream(std::ifstream& str)
:m_childStream(str)
{
size_t pos = m_childStream.tellg();
m_childStream.seekg(0, m_childStream.end);
str_length = m_childStream.tellg();
m_childStream.seekg(pos, m_childStream.beg);
m_inflateStream.zalloc = Z_NULL;
m_inflateStream.zfree = Z_NULL;
m_inflateStream.opaque = Z_NULL;
m_inflateStream.avail_in = 0;
m_inflateStream.next_in = Z_NULL;
int windowBits = 15;
auto retval = inflateInit2(&m_inflateStream, windowBits);
if (retval != Z_OK)
std::cout << "erro, ret : " << retval << std::endl;
}
void read(void *ptr, size_t size)
{
uint8_t *targetPtr = (uint8_t *)ptr;
while (size > 0) {
if (m_inflateStream.avail_in == 0) {
size_t remaining = str_length - m_childStream.tellg();
m_inflateStream.next_in = m_inflateBuffer;
m_inflateStream.avail_in = (uInt)std::min(remaining, sizeof(m_inflateBuffer));
if (m_inflateStream.avail_in == 0)
std::cout << "more bytes req : " << size << std::endl;
m_childStream.read((char*)m_inflateBuffer, m_inflateStream.avail_in);
}
m_inflateStream.avail_out = (uInt)size;
m_inflateStream.next_out = targetPtr;
int retval = inflate(&m_inflateStream, Z_NO_FLUSH);
switch (retval) {
case Z_STREAM_ERROR:
throw std::runtime_error("inflate(): stream error!");
case Z_NEED_DICT:
throw std::runtime_error("inflate(): need dictionary!");
case Z_DATA_ERROR:
throw std::runtime_error("inflate(): data error!");
case Z_MEM_ERROR:
throw std::runtime_error("inflate(): memory error!");
};
size_t outputSize = size - (size_t)m_inflateStream.avail_out;
targetPtr += outputSize;
size -= outputSize;
if (size > 0 && retval == Z_STREAM_END)
throw std::runtime_error("inflate(): attempting to read past the end of the stream!");
}
}
};
std::ifstream ser_str(filename, std::ios::binary);
uint16_t magic_maj, version_maj;
ser_str.read((char*)&magic_maj, 2);
if (magic_maj != 1052)
throw std::runtime_error("corrupt file");
ser_str.read((char*)&version_maj, 2);
ser_str.seekg(-4, ser_str.end);
uint32_t n_meshes;
ser_str.read((char*)&n_meshes, sizeof(n_meshes));
ser_str.seekg(-(sizeof(uint32_t) + (version_maj == 4 ? sizeof(uint64_t) : sizeof(uint32_t)) * n_meshes), ser_str.end);
std::vector<uint64_t> mesh_offsets(n_meshes);
if (version_maj == 4)
ser_str.read((char*)mesh_offsets.data(), n_meshes * sizeof(uint64_t));
else
{
auto q = std::vector<uint32_t>(n_meshes);
ser_str.read((char*)q.data(), n_meshes * sizeof(uint32_t));
for (size_t i = 0; i < n_meshes; i++)
mesh_offsets[i] = q[i];
}
for (size_t num_submesh = 0; num_submesh < n_meshes; num_submesh++)
{
ser_str.seekg(mesh_offsets[num_submesh], ser_str.beg);
uint16_t magic, version;
ser_str.read((char*)&magic, 2);
if (magic == 0)
break;
ser_str.read((char*)&version, 2);
if (version != 3 && version != 4)
throw std::runtime_error("invalid version in serialized mesh file");
inflateStream comp_str(ser_str);
DataPresentFlag flag;
comp_str.read(&flag, sizeof(flag));
std::string name = "default";
if (version == 4)
{
name = "";
char last_read;
do
{
comp_str.read(&last_read, sizeof(last_read));
name += last_read;
} while (last_read != 0);
}
uint64_t nVertices, nTriangles;
comp_str.read(&nVertices, sizeof(nVertices));
comp_str.read(&nTriangles, sizeof(nTriangles));
std::vector<Vec3f> positions(nVertices), normals(nVertices), colors(nVertices);
std::vector<Vec2f> uvcoords(nVertices);
std::vector<uint32_t> indices(nTriangles * 3);
bool isSingle = true;
auto read_n_vector = [&](int dim, float* buffer)
{
if (isSingle)
comp_str.read((char*)buffer, sizeof(float) * dim * nVertices);
else
{
double* double_storage = (double*)alloca(dim * sizeof(double));
for (size_t i = 0; i < nVertices; i++)
{
comp_str.read((char*)double_storage, dim * sizeof(double));
for (int j = 0; j < dim; j++)
buffer[i * dim + j] = float(double_storage[j]);
}
}
};
read_n_vector(3, (float*)positions.data());
if ((flag & DataPresentFlag::VertexNormals) == DataPresentFlag::VertexNormals)
read_n_vector(3, (float*)normals.data());
if ((flag & DataPresentFlag::TextureCoords) == DataPresentFlag::TextureCoords)
read_n_vector(2, (float*)uvcoords.data());
else std::fill(uvcoords.begin(), uvcoords.end(), Vec2f(0.0f));
if ((flag & DataPresentFlag::VertexColors) == DataPresentFlag::VertexColors)
read_n_vector(3, (float*)colors.data());
comp_str.read((char*)indices.data(), sizeof(uint32_t) * nTriangles * 3);
for (size_t i = 0; i < nTriangles * 3; i += 3)
std::swap(indices[i + 0], indices[i + 2]);
auto compiled_submesh_filename = get_compiled_submesh_filename(num_submesh);
FileOutputStream fOut(compiled_submesh_filename);
fOut << (unsigned int)MeshCompileType::Static;
auto mat = Material(name.size() > 60 ? name.substr(0, 60) : name);
mat.bsdf = CreateAggregate<BSDFALL>(diffuse());
Mesh::CompileMesh(positions.data(), (int)positions.size(), normals.data(), uvcoords.data(), indices.data(), (int)indices.size(), mat, 0.0f, fOut, flipNormals, faceNormals, maxSmoothAngle);
fOut.Close();
}
ser_str.close();
}
auto obj = S.scene.CreateNode(get_compiled_submesh_filename(submesh_index));
parseGeneric(obj, node, S);
return obj;
}
