bool Model::parseBones(FS::IFile& file)
{
int bone_count;
file.read(&bone_count, sizeof(bone_count));
if (bone_count < 0)
{
return false;
}
m_bones.reserve(bone_count);
for (int i = 0; i < bone_count; ++i)
{
Model::Bone& b = m_bones.emplace(m_allocator);
int len;
file.read(&len, sizeof(len));
char tmp[MAX_PATH_LENGTH];
if (len >= MAX_PATH_LENGTH)
{
return false;
}
file.read(tmp, len + 1);
tmp[len] = 0;
b.name = tmp;
m_bone_map.insert(crc32(b.name.c_str()), m_bones.size() - 1);
file.read(&len, sizeof(len));
if (len >= MAX_PATH_LENGTH)
{
return false;
}
if(len > 0)
{
file.read(tmp, len);
tmp[len] = 0;
b.parent = tmp;
}
else
{
b.parent = "";
}
file.read(&b.position.x, sizeof(float) * 3);
file.read(&b.rotation.x, sizeof(float) * 4);
}
m_first_nonroot_bone_index = -1;
for (int i = 0; i < bone_count; ++i)
{
Model::Bone& b = m_bones[i];
if (b.parent.length() == 0)
{
b.parent_idx = -1;
}
else
{
b.parent_idx = getBoneIdx(b.parent.c_str());
if (b.parent_idx > i || b.parent_idx < 0)
{
g_log_error.log("renderer") << "Invalid skeleton in "
<< getPath().c_str();
return false;
}
if (m_first_nonroot_bone_index == -1)
{
m_first_nonroot_bone_index = i;
}
}
}
for (int i = 0; i < m_bones.size(); ++i)
{
m_bones[i].rotation.toMatrix(m_bones[i].inv_bind_matrix);
m_bones[i].inv_bind_matrix.translate(m_bones[i].position);
}
for (int i = 0; i < m_bones.size(); ++i)
{
m_bones[i].inv_bind_matrix.fastInverse();
}
return true;
}
bool Model::parseBones(FS::IFile& file)
{
int bone_count;
file.read(&bone_count, sizeof(bone_count));
if (bone_count < 0) return false;
if (bone_count > Bone::MAX_COUNT)
{
g_log_warning.log("Renderer") << "Model " << getPath().c_str() << " has too many bones.";
return false;
}
m_bones.reserve(bone_count);
for (int i = 0; i < bone_count; ++i)
{
Model::Bone& b = m_bones.emplace(m_allocator);
int len;
file.read(&len, sizeof(len));
char tmp[MAX_PATH_LENGTH];
if (len >= MAX_PATH_LENGTH)
{
return false;
}
file.read(tmp, len);
tmp[len] = 0;
b.name = tmp;
m_bone_map.insert(crc32(b.name.c_str()), m_bones.size() - 1);
file.read(&len, sizeof(len));
if (len >= MAX_PATH_LENGTH)
{
return false;
}
if(len > 0)
{
file.read(tmp, len);
tmp[len] = 0;
b.parent = tmp;
}
else
{
b.parent = "";
}
file.read(&b.transform.pos.x, sizeof(float) * 3);
file.read(&b.transform.rot.x, sizeof(float) * 4);
}
m_first_nonroot_bone_index = -1;
for (int i = 0; i < bone_count; ++i)
{
Model::Bone& b = m_bones[i];
if (b.parent.length() == 0)
{
if (m_first_nonroot_bone_index != -1)
{
g_log_error.log("Renderer") << "Invalid skeleton in " << getPath().c_str();
return false;
}
b.parent_idx = -1;
}
else
{
b.parent_idx = getBoneIdx(b.parent.c_str());
if (b.parent_idx > i || b.parent_idx < 0)
{
g_log_error.log("Renderer") << "Invalid skeleton in " << getPath().c_str();
return false;
}
if (m_first_nonroot_bone_index == -1)
{
m_first_nonroot_bone_index = i;
}
}
}
for (int i = 0; i < m_bones.size(); ++i)
{
m_bones[i].inv_bind_transform = m_bones[i].transform.inverted();
}
for (int i = 0; i < m_bones.size(); ++i)
{
int p = m_bones[i].parent_idx;
if (p >= 0)
{
m_bones[i].relative_transform = m_bones[p].inv_bind_transform * m_bones[i].transform;
}
else
{
m_bones[i].relative_transform = m_bones[i].transform;
}
}
return true;
}