/*!
* \ingroup tcb
*/
Lib3dsBool
lib3ds_tcb_read(Lib3dsTcb *tcb, FILE *f)
{
Lib3dsWord flags;
tcb->frame=lib3ds_intd_read(f);
tcb->flags=flags=lib3ds_word_read(f);
if (flags&LIB3DS_USE_TENSION) {
tcb->tens=lib3ds_float_read(f);
}
if (flags&LIB3DS_USE_CONTINUITY) {
tcb->cont=lib3ds_float_read(f);
}
if (flags&LIB3DS_USE_BIAS) {
tcb->bias=lib3ds_float_read(f);
}
if (flags&LIB3DS_USE_EASE_TO) {
tcb->ease_to=lib3ds_float_read(f);
}
if (flags&LIB3DS_USE_EASE_FROM) {
tcb->ease_from=lib3ds_float_read(f);
}
if (ferror(f)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup shadow
*/
Lib3dsBool
lib3ds_shadow_read(Lib3dsShadow *shadow, FILE *f)
{
Lib3dsChunk c;
if (!lib3ds_chunk_read(&c, f)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_SHADOW_MAP_SIZE:
{
shadow->map_size=lib3ds_intw_read(f);
}
break;
case LIB3DS_LO_SHADOW_BIAS:
{
shadow->lo_bias=lib3ds_float_read(f);
}
break;
case LIB3DS_HI_SHADOW_BIAS:
{
shadow->hi_bias=lib3ds_float_read(f);
}
break;
case LIB3DS_SHADOW_SAMPLES:
{
shadow->samples=lib3ds_intw_read(f);
}
break;
case LIB3DS_SHADOW_RANGE:
{
shadow->range=lib3ds_intd_read(f);
}
break;
case LIB3DS_SHADOW_FILTER:
{
shadow->filter=lib3ds_float_read(f);
}
break;
case LIB3DS_RAY_BIAS:
{
shadow->ray_bias=lib3ds_float_read(f);
}
break;
}
return(LIB3DS_TRUE);
}
static Lib3dsBool
ambient_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsBool have_lin=LIB3DS_FALSE;
if (!lib3ds_chunk_read_start(&c, LIB3DS_AMBIENT_LIGHT, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_LIN_COLOR_F:
{
int i;
for (i=0; i<3; ++i) {
file->ambient[i]=lib3ds_float_read(f);
}
}
have_lin=LIB3DS_TRUE;
break;
case LIB3DS_COLOR_F:
{
/* gamma corrected color chunk
replaced in 3ds R3 by LIN_COLOR_24 */
if (!have_lin) {
int i;
for (i=0; i<3; ++i) {
file->ambient[i]=lib3ds_float_read(f);
}
}
}
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);
}
/*!
* \ingroup material
*/
Lib3dsBool
lib3ds_material_read(Lib3dsMaterial *material, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
ASSERT(material);
if (!lib3ds_chunk_read_start(&c, LIB3DS_MAT_ENTRY, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_MAT_NAME:
{
if (!lib3ds_string_read(material->name, 64, f)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", material->name);
}
break;
case LIB3DS_MAT_AMBIENT:
{
lib3ds_chunk_read_reset(&c, f);
if (!color_read(material->ambient, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_DIFFUSE:
{
lib3ds_chunk_read_reset(&c, f);
if (!color_read(material->diffuse, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECULAR:
{
lib3ds_chunk_read_reset(&c, f);
if (!color_read(material->specular, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHININESS:
{
lib3ds_chunk_read_reset(&c, f);
if (!int_percentage_read(&material->shininess, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHIN2PCT:
{
lib3ds_chunk_read_reset(&c, f);
if (!int_percentage_read(&material->shin_strength, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TRANSPARENCY:
{
lib3ds_chunk_read_reset(&c, f);
if (!int_percentage_read(&material->transparency, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_XPFALL:
{
lib3ds_chunk_read_reset(&c, f);
if (!int_percentage_read(&material->falloff, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_USE_XPFALL:
{
material->use_falloff=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_REFBLUR:
{
lib3ds_chunk_read_reset(&c, f);
if (!int_percentage_read(&material->blur, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_USE_REFBLUR:
{
material->use_blur=LIB3DS_TRUE;
}
break;
case LIB3DS_MAT_SHADING:
{
material->shading=lib3ds_intw_read(f);
}
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_float_read(f);
}
break;
case LIB3DS_MAT_TEXMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->texture1_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEXMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->texture1_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEX2MAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->texture2_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_TEX2MASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->texture2_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_OPACMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->opacity_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_OPACMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->opacity_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_BUMPMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->bump_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_BUMPMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->bump_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->specular_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SPECMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->specular_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHINMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->shininess_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SHINMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->shininess_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SELFIMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->self_illum_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_SELFIMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->self_illum_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_REFLMAP:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->reflection_map, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_REFLMASK:
{
lib3ds_chunk_read_reset(&c, f);
if (!texture_map_read(&material->reflection_mask, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MAT_ACUBIC:
{
lib3ds_intb_read(f);
material->autorefl_map.level=lib3ds_intb_read(f);
material->autorefl_map.flags=lib3ds_intw_read(f);
material->autorefl_map.size=lib3ds_intd_read(f);
material->autorefl_map.frame_step=lib3ds_intd_read(f);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
static Lib3dsBool
texture_map_read(Lib3dsTextureMap *map, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_INT_PERCENTAGE:
{
map->percent=1.0f*lib3ds_intw_read(f)/100.0f;
}
break;
case LIB3DS_MAT_MAPNAME:
{
if (!lib3ds_string_read(map->name, 64, f)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", map->name);
}
break;
case LIB3DS_MAT_MAP_TILING:
{
map->flags=lib3ds_word_read(f);
}
break;
case LIB3DS_MAT_MAP_TEXBLUR:
{
map->blur=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_USCALE:
{
map->scale[0]=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_VSCALE:
{
map->scale[1]=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_UOFFSET:
{
map->offset[0]=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_VOFFSET:
{
map->offset[1]=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_ANG:
{
map->rotation=lib3ds_float_read(f);
}
break;
case LIB3DS_MAT_MAP_COL1:
{
map->tint_1[0]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_1[1]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_1[2]=1.0f*lib3ds_byte_read(f)/255.0f;
}
break;
case LIB3DS_MAT_MAP_COL2:
{
map->tint_2[0]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_2[1]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_2[2]=1.0f*lib3ds_byte_read(f)/255.0f;
}
break;
case LIB3DS_MAT_MAP_RCOL:
{
map->tint_r[0]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_r[1]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_r[2]=1.0f*lib3ds_byte_read(f)/255.0f;
}
break;
case LIB3DS_MAT_MAP_GCOL:
{
map->tint_g[0]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_g[1]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_g[2]=1.0f*lib3ds_byte_read(f)/255.0f;
}
break;
case LIB3DS_MAT_MAP_BCOL:
{
map->tint_b[0]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_b[1]=1.0f*lib3ds_byte_read(f)/255.0f;
map->tint_b[2]=1.0f*lib3ds_byte_read(f)/255.0f;
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}