void AssimpScene::uncompress_recursive(
aiNode* nd,
float * arr_vertex, int arr_vertex_length, int & arr_vertex_index,
float * arr_normal, int arr_normal_length,
int * arr_indices, int arr_indices_size, int & arr_indices_index)
{
int arr_normal_index = 0;
//aiScene* scene;
for (int i = 0; i < scene->mNumMeshes; i++) {
aiMesh *mesh = scene->mMeshes[i];
arr_vertex_index = uncompress_vertex(mesh, arr_vertex, arr_vertex_length, arr_vertex_index);
uncompress_normal(mesh, arr_normal, arr_normal_length, arr_normal_index);
arr_indices_index = uncompress_indices(mesh, arr_indices, arr_indices_size, arr_indices_index);
}
return;
for (int n = 0; n < nd->mNumChildren; ++n) {
uncompress_recursive(nd->mChildren[n],
arr_vertex, arr_vertex_length, arr_vertex_index,
arr_normal, arr_normal_length,
arr_indices, arr_indices_size, arr_indices_index);
}
}
static void read_vertex_buffer(el_file_ptr file, float* buffer, const Uint32 vertex_count,
const Uint32 vertex_size, const Uint32 options, const Uint32 format)
{
float temp[3];
Uint16 tmp[3];
Uint32 i, idx, offset;
Uint8 color[4];
idx = 0;
offset = el_tell(file);
for (i = 0; i < vertex_count; i++)
{
el_seek(file, offset + i * vertex_size, SEEK_SET);
if (half_uv(format))
{
el_read(file, 2 * sizeof(Uint16), tmp);
temp[0] = half_to_float(SDL_SwapLE16(tmp[0]));
temp[1] = half_to_float(SDL_SwapLE16(tmp[1]));
}
else
{
el_read(file, 2 * sizeof(float), temp);
temp[0] = SwapLEFloat(temp[0]);
temp[1] = SwapLEFloat(temp[1]);
}
buffer[idx + 0] = temp[0];
buffer[idx + 1] = temp[1];
idx += 2;
if (has_secondary_texture_coordinate(options))
{
if (half_extra_uv(format))
{
el_seek(file, 2 * sizeof(Uint16), SEEK_CUR);
}
else
{
el_seek(file, 2 * sizeof(float), SEEK_CUR);
}
}
if (has_normal(options))
{
if (compressed_normal(format))
{
el_read(file, sizeof(Uint16), tmp);
uncompress_normal(SDL_SwapLE16(tmp[0]), temp);
}
else
{
el_read(file, 3 * sizeof(float), temp);
temp[0] = SwapLEFloat(temp[0]);
temp[1] = SwapLEFloat(temp[1]);
temp[2] = SwapLEFloat(temp[2]);
}
buffer[idx + 0] = temp[0];
buffer[idx + 1] = temp[1];
buffer[idx + 2] = temp[2];
idx += 3;
}
if (has_tangent(options))
{
if (compressed_normal(format))
{
el_seek(file, sizeof(Uint16), SEEK_CUR);
}
else
{
el_seek(file, 3 * sizeof(float), SEEK_CUR);
}
}
if (half_position(format))
{
el_read(file, 3 * sizeof(Uint16), tmp);
temp[0] = half_to_float(SDL_SwapLE16(tmp[0]));
temp[1] = half_to_float(SDL_SwapLE16(tmp[1]));
temp[2] = half_to_float(SDL_SwapLE16(tmp[2]));
}
else
{
el_read(file, 3 * sizeof(float), temp);
temp[0] = SwapLEFloat(temp[0]);
temp[1] = SwapLEFloat(temp[1]);
temp[2] = SwapLEFloat(temp[2]);
}
buffer[idx + 0] = temp[0];
buffer[idx + 1] = temp[1];
buffer[idx + 2] = temp[2];
idx += 3;
if (has_color(options))
{
el_read(file, 4 * sizeof(Uint8), color);
memcpy(&buffer[idx], color, 4 * sizeof(Uint8));
idx += 1;
}
}
}
