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 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);
}
