/*!
* \ingroup file
*/
Lib3dsBool
lib3ds_file_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, f)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_MDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!mdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_M3DMAGIC:
case LIB3DS_MLIBMAGIC:
case LIB3DS_CMAGIC:
{
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_M3D_VERSION:
{
file->mesh_version=lib3ds_dword_read(f);
}
break;
case LIB3DS_MDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!mdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_KFDATA:
{
lib3ds_chunk_read_reset(&c, f);
if (!kfdata_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
break;
default:
lib3ds_chunk_unknown(c.chunk);
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
/*!
* \ingroup atmosphere
*/
Lib3dsBool
lib3ds_atmosphere_read(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
Lib3dsChunk c;
if (!lib3ds_chunk_read(&c, io)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_FOG:
{
lib3ds_chunk_read_reset(&c, io);
if (!fog_read(&atmosphere->fog, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_LAYER_FOG:
{
lib3ds_chunk_read_reset(&c, io);
if (!layer_fog_read(&atmosphere->layer_fog, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_DISTANCE_CUE:
{
lib3ds_chunk_read_reset(&c, io);
if (!distance_cue_read(&atmosphere->dist_cue, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_USE_FOG:
{
atmosphere->fog.use=LIB3DS_TRUE;
}
break;
case LIB3DS_USE_LAYER_FOG:
{
atmosphere->fog.use=LIB3DS_TRUE;
}
break;
case LIB3DS_USE_DISTANCE_CUE:
{
atmosphere->dist_cue.use=LIB3DS_TRUE;
}
break;
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup background
*/
Lib3dsBool
lib3ds_background_read(Lib3dsBackground *background, Lib3dsIo *io)
{
Lib3dsChunk c;
if (!lib3ds_chunk_read(&c, io)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_BIT_MAP:
{
if (!lib3ds_io_read_string(io, background->bitmap.name, 64)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_SOLID_BGND:
{
lib3ds_chunk_read_reset(&c, io);
if (!solid_bgnd_read(background, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_V_GRADIENT:
{
lib3ds_chunk_read_reset(&c, io);
if (!v_gradient_read(background, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_USE_BIT_MAP:
{
background->bitmap.use=LIB3DS_TRUE;
}
break;
case LIB3DS_USE_SOLID_BGND:
{
background->solid.use=LIB3DS_TRUE;
}
break;
case LIB3DS_USE_V_GRADIENT:
{
background->gradient.use=LIB3DS_TRUE;
}
break;
}
return(LIB3DS_TRUE);
}
void
lib3ds_atmosphere_read(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
Lib3dsChunk c;
lib3ds_chunk_read(&c, io);
switch (c.chunk)
{
case CHK_FOG: {
lib3ds_chunk_read_reset(&c, io);
fog_read(atmosphere, io);
break;
}
case CHK_LAYER_FOG: {
lib3ds_chunk_read_reset(&c, io);
layer_fog_read(atmosphere, io);
break;
}
case CHK_DISTANCE_CUE: {
lib3ds_chunk_read_reset(&c, io);
distance_cue_read(atmosphere, io);
break;
}
case CHK_USE_FOG: {
atmosphere->use_fog = TRUE;
break;
}
case CHK_USE_LAYER_FOG: {
atmosphere->use_layer_fog = TRUE;
break;
}
case CHK_USE_DISTANCE_CUE: {
atmosphere->use_dist_cue = TRUE;
break;
}
}
}
void
lib3ds_background_read(Lib3dsBackground *background, Lib3dsIo *io) {
Lib3dsChunk c;
lib3ds_chunk_read(&c, io);
switch (c.chunk) {
case CHK_BIT_MAP: {
lib3ds_io_read_string(io, background->bitmap_name, 64);
break;
}
case CHK_SOLID_BGND: {
lib3ds_chunk_read_reset(&c, io);
solid_bgnd_read(background, io);
break;
}
case CHK_V_GRADIENT: {
lib3ds_chunk_read_reset(&c, io);
v_gradient_read(background, io);
break;
}
case CHK_USE_BIT_MAP: {
background->use_bitmap = TRUE;
break;
}
case CHK_USE_SOLID_BGND: {
background->use_solid = TRUE;
break;
}
case CHK_USE_V_GRADIENT: {
background->use_gradient = TRUE;
break;
}
}
}
void
lib3ds_mesh_read(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_N_TRI_OBJECT, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MESH_MATRIX: {
int i, j;
lib3ds_matrix_identity(mesh->matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->matrix[i][j] = lib3ds_io_read_float(io);
}
}
break;
}
case CHK_MESH_COLOR: {
mesh->color = lib3ds_io_read_byte(io);
break;
}
case CHK_POINT_ARRAY: {
int i;
uint16_t nvertices = lib3ds_io_read_word(io);
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, mesh->vflags != NULL);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_read_vector(io, mesh->vertices[i]);
}
break;
}
case CHK_POINT_FLAG_ARRAY: {
int i;
uint16_t nflags = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= nflags)? mesh->nvertices : nflags;
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, 1);
for (i = 0; i < nflags; ++i) {
mesh->vflags[i] = lib3ds_io_read_word(io);
}
break;
}
case CHK_FACE_ARRAY: {
lib3ds_chunk_read_reset(&c, io);
face_array_read(file, mesh, io);
break;
}
case CHK_MESH_TEXTURE_INFO: {
int i, j;
//FIXME: mesh->map_type = lib3ds_io_read_word(io);
for (i = 0; i < 2; ++i) {
mesh->map_tile[i] = lib3ds_io_read_float(io);
}
for (i = 0; i < 3; ++i) {
mesh->map_pos[i] = lib3ds_io_read_float(io);
}
mesh->map_scale = lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->map_matrix[i][j] = lib3ds_io_read_float(io);
}
}
for (i = 0; i < 2; ++i) {
mesh->map_planar_size[i] = lib3ds_io_read_float(io);
}
mesh->map_cylinder_height = lib3ds_io_read_float(io);
break;
}
case CHK_TEX_VERTS: {
int i;
uint16_t ntexcos = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= ntexcos)? mesh->nvertices : ntexcos;;
if (!mesh->texcos) {
lib3ds_mesh_resize_vertices(mesh, nvertices, 1, mesh->vflags != NULL);
}
for (i = 0; i < ntexcos; ++i) {
mesh->texcos[i][0] = lib3ds_io_read_float(io);
mesh->texcos[i][1] = lib3ds_io_read_float(io);
}
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0) {
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
float inv_matrix[4][4], M[4][4];
float tmp[3];
int i;
lib3ds_matrix_copy(inv_matrix, mesh->matrix);
lib3ds_matrix_inv(inv_matrix);
lib3ds_matrix_copy(M, mesh->matrix);
lib3ds_matrix_scale(M, -1.0f, 1.0f, 1.0f);
lib3ds_matrix_mult(M, M, inv_matrix);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_vector_transform(tmp, M, mesh->vertices[i]);
lib3ds_vector_copy(mesh->vertices[i], tmp);
}
}
lib3ds_chunk_read_end(&c, io);
}
void
lib3ds_material_read(Lib3dsMaterial *material, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
assert(material);
lib3ds_chunk_read_start(&c, CHK_MAT_ENTRY, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MAT_NAME: {
lib3ds_io_read_string(io, material->name, 64);
lib3ds_io_log(io, LIB3DS_LOG_INFO, " NAME=%s", material->name);
break;
}
case CHK_MAT_AMBIENT: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->ambient, io);
break;
}
case CHK_MAT_DIFFUSE: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->diffuse, io);
break;
}
case CHK_MAT_SPECULAR: {
lib3ds_chunk_read_reset(&c, io);
color_read(material->specular, io);
break;
}
case CHK_MAT_SHININESS: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->shininess, io);
break;
}
case CHK_MAT_SHIN2PCT: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->shin_strength, io);
break;
}
case CHK_MAT_TRANSPARENCY: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->transparency, io);
break;
}
case CHK_MAT_XPFALL: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->falloff, io);
break;
}
case CHK_MAT_SELF_ILPCT: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->self_illum, io);
break;
}
case CHK_MAT_USE_XPFALL: {
material->use_falloff = TRUE;
break;
}
case CHK_MAT_REFBLUR: {
lib3ds_chunk_read_reset(&c, io);
int_percentage_read(&material->blur, io);
break;
}
case CHK_MAT_USE_REFBLUR: {
material->use_blur = TRUE;
break;
}
case CHK_MAT_SHADING: {
material->shading = lib3ds_io_read_intw(io);
break;
}
case CHK_MAT_SELF_ILLUM: {
material->self_illum_flag = TRUE;
break;
}
case CHK_MAT_TWO_SIDE: {
material->two_sided = TRUE;
break;
}
case CHK_MAT_DECAL: {
material->map_decal = TRUE;
break;
}
case CHK_MAT_ADDITIVE: {
material->is_additive = TRUE;
break;
}
case CHK_MAT_FACEMAP: {
material->face_map = TRUE;
break;
}
case CHK_MAT_PHONGSOFT: {
material->soften = TRUE;
break;
}
case CHK_MAT_WIRE: {
material->use_wire = TRUE;
break;
}
case CHK_MAT_WIREABS: {
material->use_wire_abs = TRUE;
break;
}
case CHK_MAT_WIRE_SIZE: {
material->wire_size = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_TEXMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture1_map, io);
break;
}
case CHK_MAT_TEXMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture1_mask, io);
break;
}
case CHK_MAT_TEX2MAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture2_map, io);
break;
}
case CHK_MAT_TEX2MASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->texture2_mask, io);
break;
}
case CHK_MAT_OPACMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->opacity_map, io);
break;
}
case CHK_MAT_OPACMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->opacity_mask, io);
break;
}
case CHK_MAT_BUMPMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->bump_map, io);
break;
}
case CHK_MAT_BUMPMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->bump_mask, io);
break;
}
case CHK_MAT_SPECMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->specular_map, io);
break;
}
case CHK_MAT_SPECMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->specular_mask, io);
break;
}
case CHK_MAT_SHINMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->shininess_map, io);
break;
}
case CHK_MAT_SHINMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->shininess_mask, io);
break;
}
case CHK_MAT_SELFIMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->self_illum_map, io);
break;
}
case CHK_MAT_SELFIMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->self_illum_mask, io);
break;
}
case CHK_MAT_REFLMAP: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->reflection_map, io);
break;
}
case CHK_MAT_REFLMASK: {
lib3ds_chunk_read_reset(&c, io);
texture_map_read(&material->reflection_mask, io);
break;
}
case CHK_MAT_ACUBIC: {
lib3ds_io_read_intb(io);
material->autorefl_map_anti_alias = lib3ds_io_read_intb(io);
material->autorefl_map_flags = lib3ds_io_read_intw(io);
material->autorefl_map_size = lib3ds_io_read_intd(io);
material->autorefl_map_frame_step = lib3ds_io_read_intd(io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
/*!
* \ingroup mesh
*/
Lib3dsBool
lib3ds_mesh_read(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_N_TRI_OBJECT, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_MESH_MATRIX:
{
int i,j;
lib3ds_matrix_identity(mesh->matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->matrix[i][j]=lib3ds_io_read_float(io);
}
}
}
break;
case LIB3DS_MESH_COLOR:
{
mesh->color=lib3ds_io_read_byte(io);
}
break;
case LIB3DS_POINT_ARRAY:
{
unsigned i,j;
unsigned points;
lib3ds_mesh_free_point_list(mesh);
points=lib3ds_io_read_word(io);
if (points) {
if (!lib3ds_mesh_new_point_list(mesh, points)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->points; ++i) {
for (j=0; j<3; ++j) {
mesh->pointL[i].pos[j]=lib3ds_io_read_float(io);
}
}
ASSERT((!mesh->flags) || (mesh->points==mesh->flags));
ASSERT((!mesh->texels) || (mesh->points==mesh->texels));
}
}
break;
case LIB3DS_POINT_FLAG_ARRAY:
{
unsigned i;
unsigned flags;
lib3ds_mesh_free_flag_list(mesh);
flags=lib3ds_io_read_word(io);
if (flags) {
if (!lib3ds_mesh_new_flag_list(mesh, flags)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->flags; ++i) {
mesh->flagL[i]=lib3ds_io_read_word(io);
}
ASSERT((!mesh->points) || (mesh->flags==mesh->points));
ASSERT((!mesh->texels) || (mesh->flags==mesh->texels));
}
}
break;
case LIB3DS_FACE_ARRAY:
{
lib3ds_chunk_read_reset(&c, io);
if (!face_array_read(mesh, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MESH_TEXTURE_INFO:
{
int i,j;
for (i=0; i<2; ++i) {
mesh->map_data.tile[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
mesh->map_data.pos[i]=lib3ds_io_read_float(io);
}
mesh->map_data.scale=lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_data.matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->map_data.matrix[i][j]=lib3ds_io_read_float(io);
}
}
for (i=0; i<2; ++i) {
mesh->map_data.planar_size[i]=lib3ds_io_read_float(io);
}
mesh->map_data.cylinder_height=lib3ds_io_read_float(io);
}
break;
case LIB3DS_TEX_VERTS:
{
unsigned i;
unsigned texels;
lib3ds_mesh_free_texel_list(mesh);
texels=lib3ds_io_read_word(io);
if (texels) {
if (!lib3ds_mesh_new_texel_list(mesh, texels)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->texels; ++i) {
mesh->texelL[i][0]=lib3ds_io_read_float(io);
mesh->texelL[i][1]=lib3ds_io_read_float(io);
}
ASSERT((!mesh->points) || (mesh->texels==mesh->points));
ASSERT((!mesh->flags) || (mesh->texels==mesh->flags));
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
{
unsigned j;
for (j=0; j<mesh->faces; ++j) {
ASSERT(mesh->faceL[j].points[0]<mesh->points);
ASSERT(mesh->faceL[j].points[1]<mesh->points);
ASSERT(mesh->faceL[j].points[2]<mesh->points);
lib3ds_vector_normal(
mesh->faceL[j].normal,
mesh->pointL[mesh->faceL[j].points[0]].pos,
mesh->pointL[mesh->faceL[j].points[1]].pos,
mesh->pointL[mesh->faceL[j].points[2]].pos
);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0)
{
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
Lib3dsMatrix inv_matrix, M;
Lib3dsVector tmp;
unsigned i;
lib3ds_matrix_copy(inv_matrix, mesh->matrix);
lib3ds_matrix_inv(inv_matrix);
lib3ds_matrix_copy(M, mesh->matrix);
lib3ds_matrix_scale_xyz(M, -1.0f, 1.0f, 1.0f);
lib3ds_matrix_mult(M, inv_matrix);
for (i=0; i<mesh->points; ++i) {
lib3ds_vector_transform(tmp, M, mesh->pointL[i].pos);
lib3ds_vector_copy(mesh->pointL[i].pos, tmp);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
kfdata_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_KFDATA, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_KFHDR:
{
file->keyf_revision=lib3ds_word_read(f);
if (!lib3ds_string_read(file->name, 12+1, f)) {
return(LIB3DS_FALSE);
}
file->frames=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFSEG:
{
file->segment_from=lib3ds_intd_read(f);
file->segment_to=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFCURTIME:
{
file->current_frame=lib3ds_intd_read(f);
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_viewport_read(&file->viewport_keyf, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_AMBIENT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_ambient();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_OBJECT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_object();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_CAMERA_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_camera();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_target();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_LIGHT_NODE_TAG:
case LIB3DS_SPOTLIGHT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_light();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_L_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_spot();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
/*!
* \ingroup material
*/
Lib3dsBool
lib3ds_material_read(Lib3dsMaterial *material, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
ASSERT(material);
if (!lib3ds_chunk_read_start(&c, LIB3DS_MAT_ENTRY, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_MAT_NAME:
{
if (!lib3ds_io_read_string(io, material->name, 64)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", material->name);
}
break;
case LIB3DS_MAT_AMBIENT:
{
lib3ds_chunk_read_reset(&c, io);
if (!color_read(material->ambient, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_DIFFUSE:
{
lib3ds_chunk_read_reset(&c, io);
if (!color_read(material->diffuse, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECULAR:
{
lib3ds_chunk_read_reset(&c, io);
if (!color_read(material->specular, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHININESS:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->shininess, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHIN2PCT:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->shin_strength, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TRANSPARENCY:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->transparency, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_XPFALL:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->falloff, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SELF_ILPCT:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->self_ilpct, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_USE_XPFALL:
{
material->use_falloff=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_REFBLUR:
{
lib3ds_chunk_read_reset(&c, io);
if (!int_percentage_read(&material->blur, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_USE_REFBLUR:
{
material->use_blur=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_SHADING:
{
material->shading=lib3ds_io_read_intw(io);
}
break;
case LIB3DS_MAT_SELF_ILLUM:
{
material->self_illum=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_TWO_SIDE:
{
material->two_sided=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_DECAL:
{
material->map_decal=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_ADDITIVE:
{
material->additive=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_FACEMAP:
{
material->face_map=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_PHONGSOFT:
{
material->soften=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_WIRE:
{
material->use_wire=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_WIREABS:
{
material->use_wire_abs=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_WIRE_SIZE:
{
material->wire_size=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_TEXMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->texture1_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEXMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->texture1_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEX2MAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->texture2_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEX2MASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->texture2_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_OPACMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->opacity_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_OPACMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->opacity_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_BUMPMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->bump_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_BUMPMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->bump_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->specular_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->specular_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHINMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->shininess_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHINMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->shininess_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SELFIMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->self_illum_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SELFIMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->self_illum_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_REFLMAP:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->reflection_map, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_REFLMASK:
{
lib3ds_chunk_read_reset(&c, io);
if (!texture_map_read(&material->reflection_mask, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_ACUBIC:
{
lib3ds_io_read_intb(io);
material->autorefl_map.level=lib3ds_io_read_intb(io);
material->autorefl_map.flags=lib3ds_io_read_intw(io);
material->autorefl_map.size=lib3ds_io_read_intd(io);
material->autorefl_map.frame_step=lib3ds_io_read_intd(io);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
named_object_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
char name[64];
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_NAMED_OBJECT, f)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_string_read(name, 64, f)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", name);
lib3ds_chunk_read_tell(&c, f);
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_N_TRI_OBJECT:
{
Lib3dsMesh *mesh;
mesh=lib3ds_mesh_new(name);
if (!mesh) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_mesh_read(mesh, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_mesh(file, mesh);
}
break;
case LIB3DS_N_CAMERA:
{
Lib3dsCamera *camera;
camera=lib3ds_camera_new(name);
if (!camera) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_camera_read(camera, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_camera(file, camera);
}
break;
case LIB3DS_N_DIRECT_LIGHT:
{
Lib3dsLight *light;
light=lib3ds_light_new(name);
if (!light) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_light_read(light, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_light(file, light);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static Lib3dsBool
mdata_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_MDATA, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_MESH_VERSION:
{
file->mesh_version=lib3ds_intd_read(f);
}
break;
case LIB3DS_MASTER_SCALE:
{
file->master_scale=lib3ds_float_read(f);
}
break;
case LIB3DS_SHADOW_MAP_SIZE:
case LIB3DS_LO_SHADOW_BIAS:
case LIB3DS_HI_SHADOW_BIAS:
case LIB3DS_SHADOW_SAMPLES:
case LIB3DS_SHADOW_RANGE:
case LIB3DS_SHADOW_FILTER:
case LIB3DS_RAY_BIAS:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_shadow_read(&file->shadow, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_viewport_read(&file->viewport, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_O_CONSTS:
{
int i;
for (i=0; i<3; ++i) {
file->construction_plane[i]=lib3ds_float_read(f);
}
}
break;
case LIB3DS_AMBIENT_LIGHT:
{
lib3ds_chunk_read_reset(&c, f);
if (!ambient_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_BIT_MAP:
case LIB3DS_SOLID_BGND:
case LIB3DS_V_GRADIENT:
case LIB3DS_USE_BIT_MAP:
case LIB3DS_USE_SOLID_BGND:
case LIB3DS_USE_V_GRADIENT:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_background_read(&file->background, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_FOG:
case LIB3DS_LAYER_FOG:
case LIB3DS_DISTANCE_CUE:
case LIB3DS_USE_FOG:
case LIB3DS_USE_LAYER_FOG:
case LIB3DS_USE_DISTANCE_CUE:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_atmosphere_read(&file->atmosphere, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_ENTRY:
{
Lib3dsMaterial *material;
material=lib3ds_material_new();
if (!material) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_material_read(material, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_material(file, material);
}
break;
case LIB3DS_NAMED_OBJECT:
{
lib3ds_chunk_read_reset(&c, f);
if (!named_object_read(file, f)) {
return(LIB3DS_FALSE);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static Lib3dsBool
named_object_read(Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
char name[64];
Lib3dsWord chunk;
Lib3dsMesh *mesh = NULL;
Lib3dsCamera *camera = NULL;
Lib3dsLight *light = NULL;
Lib3dsDword object_flags;
if (!lib3ds_chunk_read_start(&c, LIB3DS_NAMED_OBJECT, io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", name);
lib3ds_chunk_read_tell(&c, io);
object_flags = 0;
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_N_TRI_OBJECT:
{
mesh=lib3ds_mesh_new(name);
if (!mesh) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_mesh_read(mesh, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_mesh(file, mesh);
}
break;
case LIB3DS_N_CAMERA:
{
camera=lib3ds_camera_new(name);
if (!camera) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_camera_read(camera, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_camera(file, camera);
}
break;
case LIB3DS_N_DIRECT_LIGHT:
{
light=lib3ds_light_new(name);
if (!light) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_light_read(light, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_light(file, light);
}
break;
case LIB3DS_OBJ_HIDDEN:
object_flags |= LIB3DS_OBJECT_HIDDEN;
break;
case LIB3DS_OBJ_DOESNT_CAST:
object_flags |= LIB3DS_OBJECT_DOESNT_CAST;
break;
case LIB3DS_OBJ_VIS_LOFTER:
object_flags |= LIB3DS_OBJECT_VIS_LOFTER;
break;
case LIB3DS_OBJ_MATTE:
object_flags |= LIB3DS_OBJECT_MATTE;
break;
case LIB3DS_OBJ_DONT_RCVSHADOW:
object_flags |= LIB3DS_OBJECT_DONT_RCVSHADOW;
break;
case LIB3DS_OBJ_FAST:
object_flags |= LIB3DS_OBJECT_FAST;
break;
case LIB3DS_OBJ_FROZEN:
object_flags |= LIB3DS_OBJECT_FROZEN;
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
if (mesh)
mesh->object_flags = object_flags;
if (camera)
camera->object_flags = object_flags;
if (light)
light->object_flags = object_flags;
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
/*!
* \ingroup light
*/
Lib3dsBool
lib3ds_light_read(Lib3dsLight *light, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_N_DIRECT_LIGHT, io)) {
return(LIB3DS_FALSE);
}
{
int i;
for (i=0; i<3; ++i) {
light->position[i]=lib3ds_io_read_float(io);
}
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_COLOR_F:
{
int i;
for (i=0; i<3; ++i) {
light->color[i]=lib3ds_io_read_float(io);
}
}
break;
case LIB3DS_DL_OFF:
{
light->off=LIB3DS_TRUE;
}
break;
case LIB3DS_DL_OUTER_RANGE:
{
light->outer_range=lib3ds_io_read_float(io);
}
break;
case LIB3DS_DL_INNER_RANGE:
{
light->inner_range=lib3ds_io_read_float(io);
}
break;
case LIB3DS_DL_MULTIPLIER:
{
light->multiplier=lib3ds_io_read_float(io);
}
break;
case LIB3DS_DL_EXCLUDE:
{
/* FIXME: */
lib3ds_chunk_unknown(chunk);
}
case LIB3DS_DL_ATTENUATE:
{
light->attenuation=lib3ds_io_read_float(io);
}
break;
case LIB3DS_DL_SPOTLIGHT:
{
lib3ds_chunk_read_reset(&c, io);
if (!spotlight_read(light, io)) {
return(LIB3DS_FALSE);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
void
lib3ds_light_read(Lib3dsLight *light, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_N_DIRECT_LIGHT, io);
{
int i;
for (i = 0; i < 3; ++i) {
light->position[i] = lib3ds_io_read_float(io);
}
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_COLOR_F: {
int i;
for (i = 0; i < 3; ++i) {
light->color[i] = lib3ds_io_read_float(io);
}
break;
}
case CHK_DL_OFF:
light->off = TRUE;
break;
case CHK_DL_OUTER_RANGE:
light->outer_range = lib3ds_io_read_float(io);
break;
case CHK_DL_INNER_RANGE:
light->inner_range = lib3ds_io_read_float(io);
break;
case CHK_DL_MULTIPLIER:
light->multiplier = lib3ds_io_read_float(io);
break;
case CHK_DL_EXCLUDE: {
/* FIXME: */
lib3ds_chunk_unknown(chunk, io);
break;
}
case CHK_DL_ATTENUATE:
light->attenuation = lib3ds_io_read_float(io);
break;
case CHK_DL_SPOTLIGHT: {
lib3ds_chunk_read_reset(&c, io);
spotlight_read(light, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static void
named_object_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
char name[64];
uint16_t chunk;
Lib3dsMesh *mesh = NULL;
Lib3dsCamera *camera = NULL;
Lib3dsLight *light = NULL;
uint32_t object_flags;
lib3ds_chunk_read_start(&c, CHK_NAMED_OBJECT, io);
lib3ds_io_read_string(io, name, 64);
lib3ds_io_log(io, LIB3DS_LOG_INFO, " NAME=%s", name);
lib3ds_chunk_read_tell(&c, io);
object_flags = 0;
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_N_TRI_OBJECT: {
mesh = lib3ds_mesh_new(name);
lib3ds_file_insert_mesh(file, mesh, -1);
lib3ds_chunk_read_reset(&c, io);
lib3ds_mesh_read(file, mesh, io);
break;
}
case CHK_N_CAMERA: {
camera = lib3ds_camera_new(name);
lib3ds_file_insert_camera(file, camera, -1);
lib3ds_chunk_read_reset(&c, io);
lib3ds_camera_read(camera, io);
break;
}
case CHK_N_DIRECT_LIGHT: {
light = lib3ds_light_new(name);
lib3ds_file_insert_light(file, light, -1);
lib3ds_chunk_read_reset(&c, io);
lib3ds_light_read(light, io);
break;
}
case CHK_OBJ_HIDDEN:
object_flags |= LIB3DS_OBJECT_HIDDEN;
break;
case CHK_OBJ_DOESNT_CAST:
object_flags |= LIB3DS_OBJECT_DOESNT_CAST;
break;
case CHK_OBJ_VIS_LOFTER:
object_flags |= LIB3DS_OBJECT_VIS_LOFTER;
break;
case CHK_OBJ_MATTE:
object_flags |= LIB3DS_OBJECT_MATTE;
break;
case CHK_OBJ_DONT_RCVSHADOW:
object_flags |= LIB3DS_OBJECT_DONT_RCVSHADOW;
break;
case CHK_OBJ_FAST:
object_flags |= LIB3DS_OBJECT_FAST;
break;
case CHK_OBJ_FROZEN:
object_flags |= LIB3DS_OBJECT_FROZEN;
break;
default:
lib3ds_chunk_unknown(chunk, io);
}
}
if (mesh)
mesh->object_flags = object_flags;
if (camera)
camera->object_flags = object_flags;
if (light)
light->object_flags = object_flags;
lib3ds_chunk_read_end(&c, io);
}
/*!
* Read 3ds file data into a Lib3dsFile object.
*
* \param file The Lib3dsFile object to be filled.
* \param io A Lib3dsIo object previously set up by the caller.
*
* \return LIB3DS_TRUE on success, LIB3DS_FALSE on failure.
*/
int
lib3ds_file_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
Lib3dsIoImpl *impl;
lib3ds_io_setup(io);
impl = (Lib3dsIoImpl*)io->impl;
if (setjmp(impl->jmpbuf) != 0) {
lib3ds_io_cleanup(io);
return FALSE;
}
lib3ds_chunk_read_start(&c, 0, io);
switch (c.chunk) {
case CHK_MDATA: {
lib3ds_chunk_read_reset(&c, io);
mdata_read(file, io);
break;
}
case CHK_M3DMAGIC:
case CHK_MLIBMAGIC:
case CHK_CMAGIC: {
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_M3D_VERSION: {
file->mesh_version = lib3ds_io_read_dword(io);
break;
}
case CHK_MDATA: {
lib3ds_chunk_read_reset(&c, io);
mdata_read(file, io);
break;
}
case CHK_KFDATA: {
lib3ds_chunk_read_reset(&c, io);
kfdata_read(file, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
break;
}
default:
lib3ds_chunk_unknown(c.chunk, io);
return FALSE;
}
lib3ds_chunk_read_end(&c, io);
memset(impl->jmpbuf, 0, sizeof(impl->jmpbuf));
lib3ds_io_cleanup(io);
return TRUE;
}
static void
kfdata_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
unsigned num_nodes = 0;
Lib3dsNode *last = NULL;
lib3ds_chunk_read_start(&c, CHK_KFDATA, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_KFHDR: {
file->keyf_revision = lib3ds_io_read_word(io);
lib3ds_io_read_string(io, file->name, 12 + 1);
file->frames = lib3ds_io_read_intd(io);
break;
}
case CHK_KFSEG: {
file->segment_from = lib3ds_io_read_intd(io);
file->segment_to = lib3ds_io_read_intd(io);
break;
}
case CHK_KFCURTIME: {
file->current_frame = lib3ds_io_read_intd(io);
break;
}
case CHK_VIEWPORT_LAYOUT:
case CHK_DEFAULT_VIEW: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_viewport_read(&file->viewport_keyf, io);
break;
}
case CHK_AMBIENT_NODE_TAG:
case CHK_OBJECT_NODE_TAG:
case CHK_CAMERA_NODE_TAG:
case CHK_TARGET_NODE_TAG:
case CHK_LIGHT_NODE_TAG:
case CHK_SPOTLIGHT_NODE_TAG:
case CHK_L_TARGET_NODE_TAG: {
Lib3dsNodeType type = (Lib3dsNodeType)0;
Lib3dsNode *node;
switch (chunk) {
case CHK_AMBIENT_NODE_TAG:
type = LIB3DS_NODE_AMBIENT_COLOR;
break;
case CHK_OBJECT_NODE_TAG:
type = LIB3DS_NODE_MESH_INSTANCE;
break;
case CHK_CAMERA_NODE_TAG:
type = LIB3DS_NODE_CAMERA;
break;
case CHK_TARGET_NODE_TAG:
type = LIB3DS_NODE_CAMERA_TARGET;
break;
case CHK_LIGHT_NODE_TAG:
type = LIB3DS_NODE_OMNILIGHT;
break;
case CHK_SPOTLIGHT_NODE_TAG:
type = LIB3DS_NODE_SPOTLIGHT;
break;
case CHK_L_TARGET_NODE_TAG:
type = LIB3DS_NODE_SPOTLIGHT_TARGET;
break;
}
node = lib3ds_node_new(type);
node->node_id = (unsigned short)(num_nodes++);
if (last) {
last->next = node;
} else {
file->nodes = node;
}
node->user_ptr = last;
last = node;
lib3ds_chunk_read_reset(&c, io);
lib3ds_node_read(node, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
{
Lib3dsNode **nodes = (Lib3dsNode**)malloc(num_nodes * sizeof(Lib3dsNode*));
unsigned i;
Lib3dsNode *p, *q, *parent;
p = file->nodes;
for (i = 0; i < num_nodes; ++i) {
nodes[i] = p;
p = p->next;
}
qsort(nodes, num_nodes, sizeof(Lib3dsNode*), compare_node_id);
p = last;
while (p) {
q = (Lib3dsNode*)p->user_ptr;
if (p->user_id != 65535) {
parent = *(Lib3dsNode**)bsearch(&p->user_id, nodes, num_nodes, sizeof(Lib3dsNode*), compare_node_id2);
if (parent) {
q->next = p->next;
p->next = parent->childs;
p->parent = parent;
parent->childs = p;
} else {
/* TODO: warning */
}
}
p->user_id = 0;
p->user_ptr = NULL;
p = q;
}
free(nodes);
}
lib3ds_chunk_read_end(&c, io);
}
static void
mdata_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_MDATA, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MESH_VERSION: {
file->mesh_version = lib3ds_io_read_intd(io);
break;
}
case CHK_MASTER_SCALE: {
file->master_scale = lib3ds_io_read_float(io);
break;
}
case CHK_SHADOW_MAP_SIZE:
case CHK_LO_SHADOW_BIAS:
case CHK_HI_SHADOW_BIAS:
case CHK_SHADOW_SAMPLES:
case CHK_SHADOW_RANGE:
case CHK_SHADOW_FILTER:
case CHK_RAY_BIAS: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_shadow_read(&file->shadow, io);
break;
}
case CHK_VIEWPORT_LAYOUT:
case CHK_DEFAULT_VIEW: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_viewport_read(&file->viewport, io);
break;
}
case CHK_O_CONSTS: {
int i;
for (i = 0; i < 3; ++i) {
file->construction_plane[i] = lib3ds_io_read_float(io);
}
break;
}
case CHK_AMBIENT_LIGHT: {
lib3ds_chunk_read_reset(&c, io);
ambient_read(file, io);
break;
}
case CHK_BIT_MAP:
case CHK_SOLID_BGND:
case CHK_V_GRADIENT:
case CHK_USE_BIT_MAP:
case CHK_USE_SOLID_BGND:
case CHK_USE_V_GRADIENT: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_background_read(&file->background, io);
break;
}
case CHK_FOG:
case CHK_LAYER_FOG:
case CHK_DISTANCE_CUE:
case CHK_USE_FOG:
case CHK_USE_LAYER_FOG:
case CHK_USE_DISTANCE_CUE: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_atmosphere_read(&file->atmosphere, io);
break;
}
case CHK_MAT_ENTRY: {
Lib3dsMaterial *material = lib3ds_material_new(NULL);
lib3ds_file_insert_material(file, material, -1);
lib3ds_chunk_read_reset(&c, io);
lib3ds_material_read(material, io);
break;
}
case CHK_NAMED_OBJECT: {
lib3ds_chunk_read_reset(&c, io);
named_object_read(file, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
