/*!
* \ingroup file
*/
Lib3dsBool
lib3ds_file_write(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
c.chunk=LIB3DS_M3DMAGIC;
if (!lib3ds_chunk_write_start(&c,f)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_M3D_VERSION ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_M3D_VERSION;
c.size=10;
lib3ds_chunk_write(&c,f);
lib3ds_dword_write(file->mesh_version, f);
}
if (!mdata_write(file, f)) {
return(LIB3DS_FALSE);
}
if (!kfdata_write(file, f)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* Write a camera definition to a file.
*
* This function is called by lib3ds_file_write(), and you probably
* don't want to call it directly.
*
* \param camera A Lib3dsCamera to be written.
* \param io A Lib3dsIo object previously set up by the caller.
*
* \see lib3ds_file_write
*/
void
lib3ds_camera_write(Lib3dsCamera *camera, Lib3dsIo *io) {
Lib3dsChunk c;
c.chunk = CHK_N_CAMERA;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_vector(io, camera->position);
lib3ds_io_write_vector(io, camera->target);
lib3ds_io_write_float(io, camera->roll);
if (fabs(camera->fov) < LIB3DS_EPSILON) {
lib3ds_io_write_float(io, 2400.0f / 45.0f);
} else {
lib3ds_io_write_float(io, 2400.0f / camera->fov);
}
if (camera->see_cone) {
Lib3dsChunk c;
c.chunk = CHK_CAM_SEE_CONE;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
{
Lib3dsChunk c;
c.chunk = CHK_CAM_RANGES;
c.size = 14;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, camera->near_range);
lib3ds_io_write_float(io, camera->far_range);
}
lib3ds_chunk_write_end(&c, io);
}
/*!
* Write 3ds file data from a Lib3dsFile object to a file.
*
* \param file The Lib3dsFile object to be written.
* \param io A Lib3dsIo object previously set up by the caller.
*
* \return LIB3DS_TRUE on success, LIB3DS_FALSE on failure.
*/
int
lib3ds_file_write(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
Lib3dsIoImpl *impl;
lib3ds_io_setup(io);
impl = (Lib3dsIoImpl*)io->impl;
if (setjmp(impl->jmpbuf) != 0) {
lib3ds_io_cleanup(io);
return FALSE;
}
c.chunk = CHK_M3DMAGIC;
lib3ds_chunk_write_start(&c, io);
{ /*---- LIB3DS_M3D_VERSION ----*/
Lib3dsChunk c;
c.chunk = CHK_M3D_VERSION;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_dword(io, file->mesh_version);
}
mdata_write(file, io);
kfdata_write(file, io);
lib3ds_chunk_write_end(&c, io);
memset(impl->jmpbuf, 0, sizeof(impl->jmpbuf));
lib3ds_io_cleanup(io);
return TRUE;
}
static Lib3dsBool
kfdata_write(Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
if (!file->nodes) {
return(LIB3DS_TRUE);
}
c.chunk=LIB3DS_KFDATA;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_KFHDR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFHDR;
c.size=6 + 2 + (Lib3dsDword)strlen(file->name)+1 +4;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, file->keyf_revision);
lib3ds_io_write_string(io, file->name);
lib3ds_io_write_intd(io, file->frames);
}
{ /*---- LIB3DS_KFSEG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFSEG;
c.size=14;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intd(io, file->segment_from);
lib3ds_io_write_intd(io, file->segment_to);
}
{ /*---- LIB3DS_KFCURTIME ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFCURTIME;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intd(io, file->current_frame);
}
lib3ds_viewport_write(&file->viewport_keyf, io);
{
Lib3dsNode *p;
for (p=file->nodes; p!=0; p=p->next) {
if (!lib3ds_node_write(p, file, io)) {
return(LIB3DS_FALSE);
}
if (!nodes_write(p, file, io)) {
return(LIB3DS_FALSE);
}
}
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
static Lib3dsBool
kfdata_write(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
c.chunk=LIB3DS_KFDATA;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_KFHDR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFHDR;
c.size=6 + 2 + strlen(file->name)+1 +4;
lib3ds_chunk_write(&c,f);
lib3ds_intw_write(file->keyf_revision,f);
lib3ds_string_write(file->name, f);
lib3ds_intd_write(file->frames, f);
}
{ /*---- LIB3DS_KFSEG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFSEG;
c.size=14;
lib3ds_chunk_write(&c,f);
lib3ds_intd_write(file->segment_from,f);
lib3ds_intd_write(file->segment_to,f);
}
{ /*---- LIB3DS_KFCURTIME ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_KFCURTIME;
c.size=10;
lib3ds_chunk_write(&c,f);
lib3ds_intd_write(file->current_frame,f);
}
lib3ds_viewport_write(&file->viewport_keyf, f);
{
Lib3dsNode *p;
for (p=file->nodes; p!=0; p=p->next) {
if (!lib3ds_node_write(p, file, f)) {
return(LIB3DS_FALSE);
}
if (!nodes_write(p, file, f)) {
return(LIB3DS_FALSE);
}
}
}
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
static void
kfdata_write(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
if (!file->nodes) {
return;
}
c.chunk = CHK_KFDATA;
lib3ds_chunk_write_start(&c, io);
{ /*---- LIB3DS_KFHDR ----*/
Lib3dsChunk c;
c.chunk = CHK_KFHDR;
c.size = 6 + 2 + (uint32_t)strlen(file->name) + 1 + 4;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intw(io, (int16_t)file->keyf_revision);
lib3ds_io_write_string(io, file->name);
lib3ds_io_write_intd(io, file->frames);
}
{ /*---- LIB3DS_KFSEG ----*/
Lib3dsChunk c;
c.chunk = CHK_KFSEG;
c.size = 14;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intd(io, file->segment_from);
lib3ds_io_write_intd(io, file->segment_to);
}
{ /*---- LIB3DS_KFCURTIME ----*/
Lib3dsChunk c;
c.chunk = CHK_KFCURTIME;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intd(io, file->current_frame);
}
lib3ds_viewport_write(&file->viewport_keyf, io);
{
uint16_t default_id = 0;
nodes_write(file->nodes, &default_id, 65535, io);
}
lib3ds_chunk_write_end(&c, io);
}
static Lib3dsBool
mdata_write(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
c.chunk=LIB3DS_MDATA;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_MESH_VERSION ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MESH_VERSION;
c.size=10;
lib3ds_chunk_write(&c,f);
lib3ds_intd_write(file->mesh_version,f);
}
{ /*---- LIB3DS_MASTER_SCALE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MASTER_SCALE;
c.size=10;
lib3ds_chunk_write(&c,f);
lib3ds_float_write(file->master_scale,f);
}
{ /*---- LIB3DS_O_CONSTS ----*/
int i;
for (i=0; i<3; ++i) {
if (fabs(file->construction_plane[i])>LIB3DS_EPSILON) {
break;
}
}
if (i<3) {
Lib3dsChunk c;
c.chunk=LIB3DS_O_CONSTS;
c.size=18;
lib3ds_chunk_write(&c,f);
lib3ds_vector_write(file->construction_plane,f);
}
}
{ /*---- LIB3DS_AMBIENT_LIGHT ----*/
int i;
for (i=0; i<3; ++i) {
if (fabs(file->ambient[i])>LIB3DS_EPSILON) {
break;
}
}
if (i<3) {
Lib3dsChunk c;
c.chunk=LIB3DS_AMBIENT_LIGHT;
c.size=42;
lib3ds_chunk_write(&c,f);
colorf_write(file->ambient,f);
}
}
lib3ds_background_write(&file->background, f);
lib3ds_atmosphere_write(&file->atmosphere, f);
lib3ds_shadow_write(&file->shadow, f);
lib3ds_viewport_write(&file->viewport, f);
{
Lib3dsMaterial *p;
for (p=file->materials; p!=0; p=p->next) {
if (!lib3ds_material_write(p,f)) {
return(LIB3DS_FALSE);
}
}
}
{
Lib3dsCamera *p;
Lib3dsChunk c;
for (p=file->cameras; p!=0; p=p->next) {
c.chunk=LIB3DS_NAMED_OBJECT;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
lib3ds_string_write(p->name,f);
lib3ds_camera_write(p,f);
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
}
}
{
Lib3dsLight *p;
Lib3dsChunk c;
for (p=file->lights; p!=0; p=p->next) {
c.chunk=LIB3DS_NAMED_OBJECT;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
lib3ds_string_write(p->name,f);
lib3ds_light_write(p,f);
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
}
}
{
Lib3dsMesh *p;
Lib3dsChunk c;
for (p=file->meshes; p!=0; p=p->next) {
c.chunk=LIB3DS_NAMED_OBJECT;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
lib3ds_string_write(p->name,f);
lib3ds_mesh_write(p,f);
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
}
}
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup node
*/
Lib3dsBool
lib3ds_node_write(Lib3dsNode *node, Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
switch (node->type) {
case LIB3DS_AMBIENT_NODE:
c.chunk=LIB3DS_AMBIENT_NODE_TAG;
break;
case LIB3DS_OBJECT_NODE:
c.chunk=LIB3DS_OBJECT_NODE_TAG;
break;
case LIB3DS_CAMERA_NODE:
c.chunk=LIB3DS_CAMERA_NODE_TAG;
break;
case LIB3DS_TARGET_NODE:
c.chunk=LIB3DS_TARGET_NODE_TAG;
break;
case LIB3DS_LIGHT_NODE:
if (lib3ds_file_node_by_name(file, node->name, LIB3DS_SPOT_NODE)) {
c.chunk=LIB3DS_SPOTLIGHT_NODE_TAG;
}
else {
c.chunk=LIB3DS_LIGHT_NODE_TAG;
}
break;
case LIB3DS_SPOT_NODE:
c.chunk=LIB3DS_L_TARGET_NODE_TAG;
break;
default:
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_NODE_ID ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_NODE_ID;
c.size=8;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, node->node_id);
}
{ /*---- LIB3DS_NODE_HDR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_NODE_HDR;
c.size=6+ 1+(Lib3dsDword)strlen(node->name) +2+2+2;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_string(io, node->name);
lib3ds_io_write_word(io, node->flags1);
lib3ds_io_write_word(io, node->flags2);
lib3ds_io_write_word(io, node->parent_id);
}
switch (c.chunk) {
case LIB3DS_AMBIENT_NODE_TAG:
{ /*---- LIB3DS_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_COL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.ambient.col_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_OBJECT_NODE_TAG:
{ /*---- LIB3DS_PIVOT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_PIVOT;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, node->data.object.pivot);
}
{ /*---- LIB3DS_INSTANCE_NAME ----*/
Lib3dsChunk c;
const char *name;
if (strlen(node->data.object.instance)) {
name=node->data.object.instance;
c.chunk=LIB3DS_INSTANCE_NAME;
c.size=6+1+(Lib3dsDword)strlen(name);
lib3ds_chunk_write(&c,io);
lib3ds_io_write_string(io, name);
}
}
{
int i;
for (i=0; i<3; ++i) {
if ((fabs(node->data.object.bbox_min[i])>LIB3DS_EPSILON) ||
(fabs(node->data.object.bbox_max[i])>LIB3DS_EPSILON)) {
break;
}
}
if (i<3) { /*---- LIB3DS_BOUNDBOX ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_BOUNDBOX;
c.size=30;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, node->data.object.bbox_min);
lib3ds_io_write_vector(io, node->data.object.bbox_max);
}
}
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.object.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_ROT_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_ROT_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_quat_track_write(&node->data.object.rot_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_SCL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_SCL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.object.scl_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (node->data.object.hide_track.keyL) { /*---- LIB3DS_HIDE_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_HIDE_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_bool_track_write(&node->data.object.hide_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (fabs(node->data.object.morph_smooth)>LIB3DS_EPSILON){ /*---- LIB3DS_MORPH_SMOOTH ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MORPH_SMOOTH;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, node->data.object.morph_smooth);
}
break;
case LIB3DS_CAMERA_NODE_TAG:
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.camera.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_FOV_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_FOV_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin1_track_write(&node->data.camera.fov_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_ROLL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_ROLL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin1_track_write(&node->data.camera.roll_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_TARGET_NODE_TAG:
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.target.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_LIGHT_NODE_TAG:
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.light.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_COL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.light.col_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_SPOTLIGHT_NODE_TAG:
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.light.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_COL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.light.col_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_HOT_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_HOT_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin1_track_write(&node->data.light.hotspot_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_FALL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_FALL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin1_track_write(&node->data.light.falloff_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
{ /*---- LIB3DS_ROLL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_ROLL_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin1_track_write(&node->data.light.roll_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_L_TARGET_NODE_TAG:
{ /*---- LIB3DS_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_POS_TRACK_TAG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_lin3_track_write(&node->data.spot.pos_track,io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
break;
default:
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
void
lib3ds_atmosphere_write(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
if (atmosphere->use_fog) /*---- LIB3DS_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_FOG;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_float(io, atmosphere->fog_near_plane);
lib3ds_io_write_float(io, atmosphere->fog_near_density);
lib3ds_io_write_float(io, atmosphere->fog_far_plane);
lib3ds_io_write_float(io, atmosphere->fog_far_density);
{
Lib3dsChunk c;
c.chunk = CHK_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, atmosphere->fog_color);
}
if (atmosphere->fog_background)
{
Lib3dsChunk c;
c.chunk = CHK_FOG_BGND;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
lib3ds_chunk_write_end(&c, io);
}
if (atmosphere->use_layer_fog) /*---- LIB3DS_LAYER_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_LAYER_FOG;
c.size = 40;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, atmosphere->layer_fog_near_y);
lib3ds_io_write_float(io, atmosphere->layer_fog_far_y);
lib3ds_io_write_float(io, atmosphere->layer_fog_near_y);
lib3ds_io_write_dword(io, atmosphere->layer_fog_flags);
{
Lib3dsChunk c;
c.chunk = CHK_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, atmosphere->fog_color);
}
}
if (atmosphere->use_dist_cue) /*---- LIB3DS_DISTANCE_CUE ----*/
{
Lib3dsChunk c;
c.chunk = CHK_DISTANCE_CUE;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_float(io, atmosphere->dist_cue_near_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue_near_dimming);
lib3ds_io_write_float(io, atmosphere->dist_cue_far_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue_far_dimming);
if (atmosphere->dist_cue_background)
{
Lib3dsChunk c;
c.chunk = CHK_DCUE_BGND;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
lib3ds_chunk_write_end(&c, io);
}
if (atmosphere->use_fog) /*---- LIB3DS_USE_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_FOG;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (atmosphere->use_layer_fog) /*---- LIB3DS_USE_LAYER_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_LAYER_FOG;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (atmosphere->use_dist_cue) /*---- LIB3DS_USE_DISTANCE_CUE ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_V_GRADIENT;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
}
static void
face_array_write(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
if (mesh->nfaces == 0) {
return;
}
c.chunk = CHK_FACE_ARRAY;
lib3ds_chunk_write_start(&c, io);
{
int i;
lib3ds_io_write_word(io, (uint16_t) mesh->nfaces);
for (i = 0; i < mesh->nfaces; ++i) {
lib3ds_io_write_word(io, mesh->faces[i].index[0]);
lib3ds_io_write_word(io, mesh->faces[i].index[1]);
lib3ds_io_write_word(io, mesh->faces[i].index[2]);
lib3ds_io_write_word(io, mesh->faces[i].flags);
}
}
{
/*---- MSH_CHK_MAT_GROUP ----*/
Lib3dsChunk c;
int i, j;
uint16_t num;
char *matf = (char*)calloc(sizeof(char), mesh->nfaces);
((Lib3dsIoImpl*)io->impl)->tmp_mem = matf;
assert(matf);
for (i = 0; i < mesh->nfaces; ++i) {
if (!matf[i] && (mesh->faces[i].material >= 0) && (mesh->faces[i].material < file->nmaterials)) {
matf[i] = 1;
num = 1;
for (j = i + 1; j < mesh->nfaces; ++j) {
if (mesh->faces[i].material == mesh->faces[j].material) ++num;
}
c.chunk = CHK_MSH_MAT_GROUP;
c.size = 6 + (uint32_t)strlen(file->materials[mesh->faces[i].material]->name) + 1 + 2 + 2 * num;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, file->materials[mesh->faces[i].material]->name);
lib3ds_io_write_word(io, num);
lib3ds_io_write_word(io, (uint16_t) i);
for (j = i + 1; j < mesh->nfaces; ++j) {
if (mesh->faces[i].material == mesh->faces[j].material) {
lib3ds_io_write_word(io, (uint16_t) j);
matf[j] = 1;
}
}
}
}
((Lib3dsIoImpl*)io->impl)->tmp_mem = NULL;
free(matf);
}
{
/*---- SMOOTH_GROUP ----*/
Lib3dsChunk c;
int i;
c.chunk = CHK_SMOOTH_GROUP;
c.size = 6 + 4 * mesh->nfaces;
lib3ds_chunk_write(&c, io);
for (i = 0; i < mesh->nfaces; ++i) {
lib3ds_io_write_dword(io, mesh->faces[i].smoothing_group);
}
}
{
/*---- MSH_BOXMAP ----*/
Lib3dsChunk c;
if (strlen(mesh->box_front) ||
strlen(mesh->box_back) ||
strlen(mesh->box_left) ||
strlen(mesh->box_right) ||
strlen(mesh->box_top) ||
strlen(mesh->box_bottom)) {
c.chunk = CHK_MSH_BOXMAP;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_string(io, mesh->box_front);
lib3ds_io_write_string(io, mesh->box_back);
lib3ds_io_write_string(io, mesh->box_left);
lib3ds_io_write_string(io, mesh->box_right);
lib3ds_io_write_string(io, mesh->box_top);
lib3ds_io_write_string(io, mesh->box_bottom);
lib3ds_chunk_write_end(&c, io);
}
}
lib3ds_chunk_write_end(&c, io);
}
static Lib3dsBool
face_array_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
if (!mesh->faces || !mesh->faceL) {
return(LIB3DS_TRUE);
}
ASSERT(mesh->faces<0x10000);
c.chunk=LIB3DS_FACE_ARRAY;
if (!lib3ds_chunk_write_start(&c, io)) {
return(LIB3DS_FALSE);
}
{
unsigned i;
lib3ds_io_write_word(io, (Lib3dsWord)mesh->faces);
for (i=0; i<mesh->faces; ++i) {
lib3ds_io_write_word(io, mesh->faceL[i].points[0]);
lib3ds_io_write_word(io, mesh->faceL[i].points[1]);
lib3ds_io_write_word(io, mesh->faceL[i].points[2]);
lib3ds_io_write_word(io, mesh->faceL[i].flags);
}
}
{ /*---- MSH_MAT_GROUP ----*/
Lib3dsChunk c;
unsigned i,j;
Lib3dsWord num;
char *matf=calloc(sizeof(char), mesh->faces);
if (!matf) {
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->faces; ++i) {
if (!matf[i] && strlen(mesh->faceL[i].material)) {
matf[i]=1;
num=1;
for (j=i+1; j<mesh->faces; ++j) {
if (strcmp(mesh->faceL[i].material, mesh->faceL[j].material)==0) ++num;
}
c.chunk=LIB3DS_MSH_MAT_GROUP;
c.size=6+ (Lib3dsDword)strlen(mesh->faceL[i].material)+1 +2+2*num;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, mesh->faceL[i].material);
lib3ds_io_write_word(io, num);
lib3ds_io_write_word(io, (Lib3dsWord)i);
for (j=i+1; j<mesh->faces; ++j) {
if (strcmp(mesh->faceL[i].material, mesh->faceL[j].material)==0) {
lib3ds_io_write_word(io, (Lib3dsWord)j);
matf[j]=1;
}
}
}
}
free(matf);
}
{ /*---- SMOOTH_GROUP ----*/
Lib3dsChunk c;
unsigned i;
c.chunk=LIB3DS_SMOOTH_GROUP;
c.size=6+4*mesh->faces;
lib3ds_chunk_write(&c, io);
for (i=0; i<mesh->faces; ++i) {
lib3ds_io_write_dword(io, mesh->faceL[i].smoothing);
}
}
{ /*---- MSH_BOXMAP ----*/
Lib3dsChunk c;
if (strlen(mesh->box_map.front) ||
strlen(mesh->box_map.back) ||
strlen(mesh->box_map.left) ||
strlen(mesh->box_map.right) ||
strlen(mesh->box_map.top) ||
strlen(mesh->box_map.bottom)) {
c.chunk=LIB3DS_MSH_BOXMAP;
if (!lib3ds_chunk_write_start(&c, io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_string(io, mesh->box_map.front);
lib3ds_io_write_string(io, mesh->box_map.back);
lib3ds_io_write_string(io, mesh->box_map.left);
lib3ds_io_write_string(io, mesh->box_map.right);
lib3ds_io_write_string(io, mesh->box_map.top);
lib3ds_io_write_string(io, mesh->box_map.bottom);
if (!lib3ds_chunk_write_end(&c, io)) {
return(LIB3DS_FALSE);
}
}
}
if (!lib3ds_chunk_write_end(&c, io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
static void
mdata_write(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
c.chunk = CHK_MDATA;
lib3ds_chunk_write_start(&c, io);
{ /*---- LIB3DS_MESH_VERSION ----*/
Lib3dsChunk c;
c.chunk = CHK_MESH_VERSION;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intd(io, file->mesh_version);
}
{ /*---- LIB3DS_MASTER_SCALE ----*/
Lib3dsChunk c;
c.chunk = CHK_MASTER_SCALE;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, file->master_scale);
}
{ /*---- LIB3DS_O_CONSTS ----*/
int i;
for (i = 0; i < 3; ++i) {
if (fabs(file->construction_plane[i]) > LIB3DS_EPSILON) {
break;
}
}
if (i < 3) {
Lib3dsChunk c;
c.chunk = CHK_O_CONSTS;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_vector(io, file->construction_plane);
}
}
{ /*---- LIB3DS_AMBIENT_LIGHT ----*/
int i;
for (i = 0; i < 3; ++i) {
if (fabs(file->ambient[i]) > LIB3DS_EPSILON) {
break;
}
}
if (i < 3) {
Lib3dsChunk c;
c.chunk = CHK_AMBIENT_LIGHT;
c.size = 42;
lib3ds_chunk_write(&c, io);
colorf_write(file->ambient, io);
}
}
lib3ds_background_write(&file->background, io);
lib3ds_atmosphere_write(&file->atmosphere, io);
lib3ds_shadow_write(&file->shadow, io);
lib3ds_viewport_write(&file->viewport, io);
{
int i;
for (i = 0; i < file->nmaterials; ++i) {
lib3ds_material_write(file->materials[i], io);
}
}
{
Lib3dsChunk c;
int i;
for (i = 0; i < file->ncameras; ++i) {
c.chunk = CHK_NAMED_OBJECT;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_string(io, file->cameras[i]->name);
lib3ds_camera_write(file->cameras[i], io);
object_flags_write(file->cameras[i]->object_flags, io);
lib3ds_chunk_write_end(&c, io);
}
}
{
Lib3dsChunk c;
int i;
for (i = 0; i < file->nlights; ++i) {
c.chunk = CHK_NAMED_OBJECT;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_string(io, file->lights[i]->name);
lib3ds_light_write(file->lights[i], io);
object_flags_write(file->lights[i]->object_flags, io);
lib3ds_chunk_write_end(&c, io);
}
}
{
Lib3dsChunk c;
int i;
for (i = 0; i < file->nmeshes; ++i) {
c.chunk = CHK_NAMED_OBJECT;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_string(io, file->meshes[i]->name);
lib3ds_mesh_write(file, file->meshes[i], io);
object_flags_write(file->meshes[i]->object_flags, io);
lib3ds_chunk_write_end(&c, io);
}
}
lib3ds_chunk_write_end(&c, io);
}
/*!
* \ingroup light
*/
Lib3dsBool
lib3ds_light_write(Lib3dsLight *light, Lib3dsIo *io)
{
Lib3dsChunk c;
c.chunk=LIB3DS_N_DIRECT_LIGHT;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_vector(io, light->position);
{ /*---- LIB3DS_COLOR_F ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, light->color);
}
if (light->off) { /*---- LIB3DS_DL_OFF ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_OFF;
c.size=6;
lib3ds_chunk_write(&c, io);
}
{ /*---- LIB3DS_DL_OUTER_RANGE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_OUTER_RANGE;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->outer_range);
}
{ /*---- LIB3DS_DL_INNER_RANGE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_INNER_RANGE;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->inner_range);
}
{ /*---- LIB3DS_DL_MULTIPLIER ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_MULTIPLIER;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->multiplier);
}
if (light->attenuation) { /*---- LIB3DS_DL_ATTENUATE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_ATTENUATE;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if (light->spot_light) {
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOTLIGHT;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_vector(io, light->spot);
lib3ds_io_write_float(io, light->hot_spot);
lib3ds_io_write_float(io, light->fall_off);
{ /*---- LIB3DS_DL_SPOT_ROLL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOT_ROLL;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->roll);
}
if (light->shadowed) { /*---- LIB3DS_DL_SHADOWED ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SHADOWED;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if ((fabs(light->shadow_bias)>LIB3DS_EPSILON) ||
(fabs(light->shadow_filter)>LIB3DS_EPSILON) ||
(light->shadow_size!=0)) { /*---- LIB3DS_DL_LOCAL_SHADOW2 ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_LOCAL_SHADOW2;
c.size=16;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->shadow_bias);
lib3ds_io_write_float(io, light->shadow_filter);
lib3ds_io_write_intw(io, light->shadow_size);
}
if (light->see_cone) { /*---- LIB3DS_DL_SEE_CONE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SEE_CONE;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if (light->rectangular_spot) { /*---- LIB3DS_DL_SPOT_RECTANGULAR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOT_RECTANGULAR;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if (fabs(light->spot_aspect)>LIB3DS_EPSILON) { /*---- LIB3DS_DL_SPOT_ASPECT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOT_ASPECT;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->spot_aspect);
}
if (light->use_projector) { /*---- LIB3DS_DL_SPOT_PROJECTOR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOT_PROJECTOR;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, light->projector);
}
if (light->spot_overshoot) { /*---- LIB3DS_DL_SPOT_OVERSHOOT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_SPOT_OVERSHOOT;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if (fabs(light->ray_bias)>LIB3DS_EPSILON) { /*---- LIB3DS_DL_RAY_BIAS ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_RAY_BIAS;
c.size=10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, light->ray_bias);
}
if (light->ray_shadows) { /*---- LIB3DS_DL_RAYSHAD ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DL_RAYSHAD;
c.size=6;
lib3ds_chunk_write(&c, io);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
static Lib3dsBool
texture_map_write(Lib3dsWord chunk, Lib3dsTextureMap *map, Lib3dsIo *io)
{
Lib3dsChunk c;
if (strlen(map->name)==0) {
return(LIB3DS_TRUE);
}
c.chunk=chunk;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
int_percentage_write(map->percent,io);
{ /*---- LIB3DS_MAT_MAPNAME ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAPNAME;
c.size=6+(Lib3dsDword)strlen(map->name)+1;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_string(io, map->name);
}
{ /*---- LIB3DS_MAT_MAP_TILING ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_TILING;
c.size=8;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_word(io, (Lib3dsWord)map->flags);
}
{ /*---- LIB3DS_MAT_MAP_TEXBLUR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_TEXBLUR;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->blur);
}
{ /*---- LIB3DS_MAT_MAP_USCALE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_USCALE;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->scale[0]);
}
{ /*---- LIB3DS_MAT_MAP_VSCALE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_VSCALE;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->scale[1]);
}
{ /*---- LIB3DS_MAT_MAP_UOFFSET ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_UOFFSET;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->offset[0]);
}
{ /*---- LIB3DS_MAT_MAP_VOFFSET ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_VOFFSET;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->offset[1]);
}
{ /*---- LIB3DS_MAT_MAP_ANG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_ANG;
c.size=10;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, map->rotation);
}
{ /*---- LIB3DS_MAT_MAP_COL1 ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_COL1;
c.size=9;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_1[0]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_1[1]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_1[2]+0.5));
}
{ /*---- LIB3DS_MAT_MAP_COL2 ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_COL2;
c.size=9;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_2[0]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_2[1]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_2[2]+0.5));
}
{ /*---- LIB3DS_MAT_MAP_RCOL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_RCOL;
c.size=9;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_r[0]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_r[1]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_r[2]+0.5));
}
{ /*---- LIB3DS_MAT_MAP_GCOL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_GCOL;
c.size=9;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_g[0]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_g[1]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_g[2]+0.5));
}
{ /*---- LIB3DS_MAT_MAP_BCOL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_MAP_BCOL;
c.size=9;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_b[0]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_b[1]+0.5));
lib3ds_io_write_byte(io, (Lib3dsByte)floor(255.0*map->tint_b[2]+0.5));
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup viewport
*/
Lib3dsBool
lib3ds_viewport_write(Lib3dsViewport *viewport, Lib3dsIo *io)
{
if (viewport->layout.views) {
Lib3dsChunk c;
unsigned i;
c.chunk=LIB3DS_VIEWPORT_LAYOUT;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_word(io, viewport->layout.style);
lib3ds_io_write_intw(io, viewport->layout.active);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_intw(io, viewport->layout.swap);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_intw(io, viewport->layout.swap_prior);
lib3ds_io_write_intw(io, viewport->layout.swap_view);
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEWPORT_SIZE;
c.size=14;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, viewport->layout.position[0]);
lib3ds_io_write_intw(io, viewport->layout.position[1]);
lib3ds_io_write_intw(io, viewport->layout.size[0]);
lib3ds_io_write_intw(io, viewport->layout.size[1]);
}
for (i=0; i<viewport->layout.views; ++i) {
Lib3dsChunk c;
c.chunk=LIB3DS_VIEWPORT_DATA_3;
c.size=55;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_word(io, viewport->layout.viewL[i].axis_lock);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].position[0]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].position[1]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].size[0]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].size[1]);
lib3ds_io_write_word(io, viewport->layout.viewL[i].type);
lib3ds_io_write_float(io, viewport->layout.viewL[i].zoom);
lib3ds_io_write_vector(io, viewport->layout.viewL[i].center);
lib3ds_io_write_float(io, viewport->layout.viewL[i].horiz_angle);
lib3ds_io_write_float(io, viewport->layout.viewL[i].vert_angle);
lib3ds_io_write(io, viewport->layout.viewL[i].camera,11);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (viewport->default_view.type) {
Lib3dsChunk c;
c.chunk=LIB3DS_DEFAULT_VIEW;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
switch (viewport->default_view.type) {
case LIB3DS_VIEW_TYPE_TOP:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_TOP;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_BOTTOM:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_BOTTOM;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_LEFT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_LEFT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_RIGHT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_RIGHT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_FRONT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_FRONT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_BACK:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_BACK;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_USER:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_USER;
c.size=34;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
lib3ds_io_write_float(io, viewport->default_view.horiz_angle);
lib3ds_io_write_float(io, viewport->default_view.vert_angle);
lib3ds_io_write_float(io, viewport->default_view.roll_angle);
}
break;
case LIB3DS_VIEW_TYPE_CAMERA:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_CAMERA;
c.size=17;
lib3ds_chunk_write(&c, io);
lib3ds_io_write(io, viewport->default_view.camera, 11);
}
break;
}
if (!lib3ds_chunk_write_end(&c, io)) {
return(LIB3DS_FALSE);
}
}
return(LIB3DS_TRUE);
}
static void
texture_map_write(uint16_t chunk, Lib3dsTextureMap *map, Lib3dsIo *io) {
Lib3dsChunk c;
if (strlen(map->name) == 0) {
return;
}
c.chunk = chunk;
lib3ds_chunk_write_start(&c, io);
int_percentage_write(map->percent, io);
{ /*---- CHK_MAT_MAPNAME ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAPNAME;
c.size = 6 + (uint32_t)strlen(map->name) + 1;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, map->name);
}
{ /*---- CHK_MAT_MAP_TILING ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_TILING;
c.size = 8;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (uint16_t)map->flags);
}
{ /*---- CHK_MAT_MAP_TEXBLUR ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_TEXBLUR;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->blur);
}
{ /*---- CHK_MAT_MAP_USCALE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_USCALE;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->scale[0]);
}
{ /*---- CHK_MAT_MAP_VSCALE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_VSCALE;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->scale[1]);
}
{ /*---- CHK_MAT_MAP_UOFFSET ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_UOFFSET;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->offset[0]);
}
{ /*---- CHK_MAT_MAP_VOFFSET ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_VOFFSET;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->offset[1]);
}
{ /*---- CHK_MAT_MAP_ANG ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_ANG;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, map->rotation);
}
{ /*---- CHK_MAT_MAP_COL1 ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_COL1;
c.size = 9;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_1[0] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_1[1] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_1[2] + 0.5));
}
{ /*---- CHK_MAT_MAP_COL2 ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_COL2;
c.size = 9;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_2[0] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_2[1] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_2[2] + 0.5));
}
{ /*---- CHK_MAT_MAP_RCOL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_RCOL;
c.size = 9;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_r[0] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_r[1] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_r[2] + 0.5));
}
{ /*---- CHK_MAT_MAP_GCOL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_GCOL;
c.size = 9;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_g[0] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_g[1] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_g[2] + 0.5));
}
{ /*---- CHK_MAT_MAP_BCOL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_MAP_BCOL;
c.size = 9;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_b[0] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_b[1] + 0.5));
lib3ds_io_write_byte(io, (uint8_t)floor(255.0*map->tint_b[2] + 0.5));
}
lib3ds_chunk_write_end(&c, io);
}
void
lib3ds_material_write(Lib3dsMaterial *material, Lib3dsIo *io) {
Lib3dsChunk c;
c.chunk = CHK_MAT_ENTRY;
lib3ds_chunk_write_start(&c, io);
{ /*---- CHK_MAT_NAME ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_NAME;
c.size = 6 + (uint32_t)strlen(material->name) + 1;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, material->name);
}
{ /*---- CHK_MAT_AMBIENT ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_AMBIENT;
c.size = 24;
lib3ds_chunk_write(&c, io);
color_write(material->ambient, io);
}
{ /*---- CHK_MAT_DIFFUSE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_DIFFUSE;
c.size = 24;
lib3ds_chunk_write(&c, io);
color_write(material->diffuse, io);
}
{ /*---- CHK_MAT_SPECULAR ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_SPECULAR;
c.size = 24;
lib3ds_chunk_write(&c, io);
color_write(material->specular, io);
}
{ /*---- CHK_MAT_SHININESS ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_SHININESS;
c.size = 14;
lib3ds_chunk_write(&c, io);
int_percentage_write(material->shininess, io);
}
{ /*---- CHK_MAT_SHIN2PCT ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_SHIN2PCT;
c.size = 14;
lib3ds_chunk_write(&c, io);
int_percentage_write(material->shin_strength, io);
}
{ /*---- CHK_MAT_TRANSPARENCY ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_TRANSPARENCY;
c.size = 14;
lib3ds_chunk_write(&c, io);
int_percentage_write(material->transparency, io);
}
{ /*---- CHK_MAT_XPFALL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_XPFALL;
c.size = 14;
lib3ds_chunk_write(&c, io);
int_percentage_write(material->falloff, io);
}
if (material->use_falloff) { /*---- CHK_MAT_USE_XPFALL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_USE_XPFALL;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
{ /*---- CHK_MAT_SHADING ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_SHADING;
c.size = 8;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intw(io, material->shading);
}
{ /*---- CHK_MAT_REFBLUR ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_REFBLUR;
c.size = 14;
lib3ds_chunk_write(&c, io);
int_percentage_write(material->blur, io);
}
if (material->use_blur) { /*---- CHK_MAT_USE_REFBLUR ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_USE_REFBLUR;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->self_illum_flag) { /*---- CHK_MAT_SELF_ILLUM ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_SELF_ILLUM;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->two_sided) { /*---- CHK_MAT_TWO_SIDE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_TWO_SIDE;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->map_decal) { /*---- CHK_MAT_DECAL ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_DECAL;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->is_additive) { /*---- CHK_MAT_ADDITIVE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_ADDITIVE;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->use_wire) { /*---- CHK_MAT_WIRE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_WIRE;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->use_wire_abs) { /*---- CHK_MAT_WIREABS ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_WIREABS;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
{ /*---- CHK_MAT_WIRE_SIZE ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_WIRE_SIZE;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, material->wire_size);
}
if (material->face_map) { /*---- CHK_MAT_FACEMAP ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_FACEMAP;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (material->soften) { /*---- CHK_MAT_PHONGSOFT ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_PHONGSOFT;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
texture_map_write(CHK_MAT_TEXMAP, &material->texture1_map, io);
texture_map_write(CHK_MAT_TEXMASK, &material->texture1_mask, io);
texture_map_write(CHK_MAT_TEX2MAP, &material->texture2_map, io);
texture_map_write(CHK_MAT_TEX2MASK, &material->texture2_mask, io);
texture_map_write(CHK_MAT_OPACMAP, &material->opacity_map, io);
texture_map_write(CHK_MAT_OPACMASK, &material->opacity_mask, io);
texture_map_write(CHK_MAT_BUMPMAP, &material->bump_map, io);
texture_map_write(CHK_MAT_BUMPMASK, &material->bump_mask, io);
texture_map_write(CHK_MAT_SPECMAP, &material->specular_map, io);
texture_map_write(CHK_MAT_SPECMASK, &material->specular_mask, io);
texture_map_write(CHK_MAT_SHINMAP, &material->shininess_map, io);
texture_map_write(CHK_MAT_SHINMASK, &material->shininess_mask, io);
texture_map_write(CHK_MAT_SELFIMAP, &material->self_illum_map, io);
texture_map_write(CHK_MAT_SELFIMASK, &material->self_illum_mask, io);
texture_map_write(CHK_MAT_REFLMAP, &material->reflection_map, io);
texture_map_write(CHK_MAT_REFLMASK, &material->reflection_mask, io);
{ /*---- CHK_MAT_ACUBIC ----*/
Lib3dsChunk c;
c.chunk = CHK_MAT_ACUBIC;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intb(io, 0);
lib3ds_io_write_intb(io, material->autorefl_map_anti_alias);
lib3ds_io_write_intw(io, material->autorefl_map_flags);
lib3ds_io_write_intd(io, material->autorefl_map_size);
lib3ds_io_write_intd(io, material->autorefl_map_frame_step);
}
lib3ds_chunk_write_end(&c, io);
}
void
lib3ds_node_write(Lib3dsNode *node, uint16_t node_id, uint16_t parent_id, Lib3dsIo *io) {
Lib3dsChunk c;
switch (node->type) {
case LIB3DS_NODE_AMBIENT_COLOR:
c.chunk = CHK_AMBIENT_NODE_TAG;
break;
case LIB3DS_NODE_MESH_INSTANCE:
c.chunk = CHK_OBJECT_NODE_TAG;
break;
case LIB3DS_NODE_CAMERA:
c.chunk = CHK_CAMERA_NODE_TAG;
break;
case LIB3DS_NODE_CAMERA_TARGET:
c.chunk = CHK_TARGET_NODE_TAG;
break;
case LIB3DS_NODE_OMNILIGHT:
c.chunk = CHK_LIGHT_NODE_TAG;
break;
case LIB3DS_NODE_SPOTLIGHT:
c.chunk = CHK_SPOTLIGHT_NODE_TAG;
break;
case LIB3DS_NODE_SPOTLIGHT_TARGET:
c.chunk = CHK_L_TARGET_NODE_TAG;
break;
default:
assert(0);
return;
}
lib3ds_chunk_write_start(&c, io);
{ /*---- CHK_NODE_ID ----*/
Lib3dsChunk c;
c.chunk = CHK_NODE_ID;
c.size = 8;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_intw(io, node_id);
}
{ /*---- CHK_NODE_HDR ----*/
Lib3dsChunk c;
c.chunk = CHK_NODE_HDR;
c.size = 6 + 1 + (uint32_t)strlen(node->name) + 2 + 2 + 2;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, node->name);
lib3ds_io_write_word(io, node->flags & 0xffff);
lib3ds_io_write_word(io, (node->flags >> 16) & 0xffff);
lib3ds_io_write_word(io, parent_id);
}
switch (c.chunk) {
case CHK_AMBIENT_NODE_TAG: {
Lib3dsAmbientColorNode *n = (Lib3dsAmbientColorNode*)node;
if (n->color_track.nkeys) { /*---- CHK_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->color_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
case CHK_OBJECT_NODE_TAG: {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
{ /*---- CHK_PIVOT ----*/
Lib3dsChunk c;
c.chunk = CHK_PIVOT;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_vector(io, n->pivot);
}
{ /*---- CHK_INSTANCE_NAME ----*/
Lib3dsChunk c;
const char *name;
if (strlen(n->instance_name)) {
name = n->instance_name;
c.chunk = CHK_INSTANCE_NAME;
c.size = 6 + 1 + (uint32_t)strlen(name);
lib3ds_chunk_write(&c, io);
lib3ds_io_write_string(io, name);
}
}
{
int i;
for (i = 0; i < 3; ++i) {
if ((fabs(n->bbox_min[i]) > LIB3DS_EPSILON) ||
(fabs(n->bbox_max[i]) > LIB3DS_EPSILON)) {
break;
}
}
if (i < 3) { /*---- CHK_BOUNDBOX ----*/
Lib3dsChunk c;
c.chunk = CHK_BOUNDBOX;
c.size = 30;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_vector(io, n->bbox_min);
lib3ds_io_write_vector(io, n->bbox_max);
}
}
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->rot_track.nkeys) { /*---- CHK_ROT_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_ROT_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->rot_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->scl_track.nkeys) { /*---- LIB3DS_SCL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_SCL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->scl_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->hide_track.nkeys) { /*---- CHK_HIDE_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_HIDE_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->hide_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (fabs(n->morph_smooth) > LIB3DS_EPSILON) { /*---- CHK_MORPH_SMOOTH ----*/
Lib3dsChunk c;
c.chunk = CHK_MORPH_SMOOTH;
c.size = 10;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, n->morph_smooth);
}
break;
}
case CHK_CAMERA_NODE_TAG: {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->fov_track.nkeys) { /*---- CHK_FOV_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_FOV_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->fov_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->roll_track.nkeys) { /*---- CHK_ROLL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_ROLL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->roll_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
case CHK_TARGET_NODE_TAG: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
case CHK_LIGHT_NODE_TAG: {
Lib3dsOmnilightNode *n = (Lib3dsOmnilightNode*)node;
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->color_track.nkeys) { /*---- CHK_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->color_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
case CHK_SPOTLIGHT_NODE_TAG: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->color_track.nkeys) { /*---- CHK_COL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->color_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->hotspot_track.nkeys) { /*---- CHK_HOT_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_HOT_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->hotspot_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->falloff_track.nkeys) { /*---- CHK_FALL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_FALL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->falloff_track, io);
lib3ds_chunk_write_end(&c, io);
}
if (n->roll_track.nkeys) { /*---- CHK_ROLL_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_ROLL_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->roll_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
case CHK_L_TARGET_NODE_TAG: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
if (n->pos_track.nkeys) { /*---- CHK_POS_TRACK_TAG ----*/
Lib3dsChunk c;
c.chunk = CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(&c, io);
lib3ds_track_write(&n->pos_track, io);
lib3ds_chunk_write_end(&c, io);
}
break;
}
default:
break;
}
lib3ds_chunk_write_end(&c, io);
}
/*!
* \ingroup mesh
*/
Lib3dsBool
lib3ds_mesh_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
c.chunk=LIB3DS_N_TRI_OBJECT;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
if (!point_array_write(mesh, io)) {
return(LIB3DS_FALSE);
}
if (!texel_array_write(mesh, io)) {
return(LIB3DS_FALSE);
}
if (mesh->map_data.maptype!=LIB3DS_MAP_NONE) { /*---- LIB3DS_MESH_TEXTURE_INFO ----*/
Lib3dsChunk c;
int i,j;
c.chunk=LIB3DS_MESH_TEXTURE_INFO;
c.size=92;
if (!lib3ds_chunk_write(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_word(io, mesh->map_data.maptype);
for (i=0; i<2; ++i) {
lib3ds_io_write_float(io, mesh->map_data.tile[i]);
}
for (i=0; i<3; ++i) {
lib3ds_io_write_float(io, mesh->map_data.pos[i]);
}
lib3ds_io_write_float(io, mesh->map_data.scale);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
lib3ds_io_write_float(io, mesh->map_data.matrix[i][j]);
}
}
for (i=0; i<2; ++i) {
lib3ds_io_write_float(io, mesh->map_data.planar_size[i]);
}
lib3ds_io_write_float(io, mesh->map_data.cylinder_height);
}
if (!flag_array_write(mesh, io)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_MESH_MATRIX ----*/
Lib3dsChunk c;
int i,j;
c.chunk=LIB3DS_MESH_MATRIX;
c.size=54;
if (!lib3ds_chunk_write(&c,io)) {
return(LIB3DS_FALSE);
}
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
lib3ds_io_write_float(io, mesh->matrix[i][j]);
}
}
}
if (mesh->color) { /*---- LIB3DS_MESH_COLOR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MESH_COLOR;
c.size=7;
if (!lib3ds_chunk_write(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_byte(io, mesh->color);
}
if (!face_array_write(mesh, io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup atmosphere
*/
Lib3dsBool
lib3ds_atmosphere_write(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
if (atmosphere->fog.use) { /*---- LIB3DS_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_FOG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_float(io, atmosphere->fog.near_plane);
lib3ds_io_write_float(io, atmosphere->fog.near_density);
lib3ds_io_write_float(io, atmosphere->fog.far_plane);
lib3ds_io_write_float(io, atmosphere->fog.far_density);
{
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, atmosphere->fog.col);
}
if (atmosphere->fog.fog_background) {
Lib3dsChunk c;
c.chunk=LIB3DS_FOG_BGND;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (atmosphere->layer_fog.use) { /*---- LIB3DS_LAYER_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_LAYER_FOG;
c.size=40;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, atmosphere->layer_fog.near_y);
lib3ds_io_write_float(io, atmosphere->layer_fog.far_y);
lib3ds_io_write_float(io, atmosphere->layer_fog.near_y);
lib3ds_io_write_dword(io, atmosphere->layer_fog.flags);
{
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, atmosphere->fog.col);
}
}
if (atmosphere->dist_cue.use) { /*---- LIB3DS_DISTANCE_CUE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DISTANCE_CUE;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_float(io, atmosphere->dist_cue.near_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue.near_dimming);
lib3ds_io_write_float(io, atmosphere->dist_cue.far_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue.far_dimming);
if (atmosphere->dist_cue.cue_background) {
Lib3dsChunk c;
c.chunk=LIB3DS_DCUE_BGND;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (atmosphere->fog.use) { /*---- LIB3DS_USE_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_FOG;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (atmosphere->layer_fog.use) { /*---- LIB3DS_USE_LAYER_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_LAYER_FOG;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (atmosphere->dist_cue.use) { /*---- LIB3DS_USE_DISTANCE_CUE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_V_GRADIENT;
c.size=6;
lib3ds_chunk_write(&c,io);
}
return(LIB3DS_TRUE);
}
void
lib3ds_mesh_write(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
c.chunk = CHK_N_TRI_OBJECT;
lib3ds_chunk_write_start(&c, io);
point_array_write(mesh, io);
texco_array_write(mesh, io);
if (mesh->map_type != LIB3DS_MAP_NONE) { /*---- LIB3DS_MESH_TEXTURE_INFO ----*/
Lib3dsChunk c;
int i, j;
c.chunk = CHK_MESH_TEXTURE_INFO;
c.size = 92;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (uint16_t)mesh->map_type);
for (i = 0; i < 2; ++i) {
lib3ds_io_write_float(io, mesh->map_tile[i]);
}
lib3ds_io_write_vector(io, mesh->map_pos);
lib3ds_io_write_float(io, mesh->map_scale);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
lib3ds_io_write_float(io, mesh->map_matrix[i][j]);
}
}
for (i = 0; i < 2; ++i) {
lib3ds_io_write_float(io, mesh->map_planar_size[i]);
}
lib3ds_io_write_float(io, mesh->map_cylinder_height);
}
flag_array_write(mesh, io);
{
/*---- LIB3DS_MESH_MATRIX ----*/
Lib3dsChunk c;
int i, j;
c.chunk = CHK_MESH_MATRIX;
c.size = 54;
lib3ds_chunk_write(&c, io);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
lib3ds_io_write_float(io, mesh->matrix[i][j]);
}
}
}
if (mesh->color) { /*---- LIB3DS_MESH_COLOR ----*/
Lib3dsChunk c;
c.chunk = CHK_MESH_COLOR;
c.size = 7;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_byte(io, (uint8_t)mesh->color);
}
face_array_write(file, mesh, io);
lib3ds_chunk_write_end(&c, io);
}
/*!
* \ingroup material
*/
Lib3dsBool
lib3ds_material_write(Lib3dsMaterial *material, FILE *f)
{
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_ENTRY;
if (!lib3ds_chunk_write_start(&c,f)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_MAT_NAME ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_NAME;
c.size=6+strlen(material->name)+1;
lib3ds_chunk_write(&c,f);
lib3ds_string_write(material->name,f);
}
{ /*---- LIB3DS_MAT_AMBIENT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_AMBIENT;
c.size=24;
lib3ds_chunk_write(&c,f);
color_write(material->ambient,f);
}
{ /*---- LIB3DS_MAT_DIFFUSE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_DIFFUSE;
c.size=24;
lib3ds_chunk_write(&c,f);
color_write(material->diffuse,f);
}
{ /*---- LIB3DS_MAT_SPECULAR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_SPECULAR;
c.size=24;
lib3ds_chunk_write(&c,f);
color_write(material->specular,f);
}
{ /*---- LIB3DS_MAT_SHININESS ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_SHININESS;
c.size=14;
lib3ds_chunk_write(&c,f);
int_percentage_write(material->shininess,f);
}
{ /*---- LIB3DS_MAT_SHIN2PCT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_SHIN2PCT;
c.size=14;
lib3ds_chunk_write(&c,f);
int_percentage_write(material->shin_strength,f);
}
{ /*---- LIB3DS_MAT_TRANSPARENCY ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_TRANSPARENCY;
c.size=14;
lib3ds_chunk_write(&c,f);
int_percentage_write(material->transparency,f);
}
{ /*---- LIB3DS_MAT_XPFALL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_XPFALL;
c.size=14;
lib3ds_chunk_write(&c,f);
int_percentage_write(material->falloff,f);
}
if (material->use_falloff) { /*---- LIB3DS_MAT_USE_XPFALL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_USE_XPFALL;
c.size=6;
lib3ds_chunk_write(&c,f);
}
{ /*---- LIB3DS_MAT_SHADING ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_SHADING;
c.size=8;
lib3ds_chunk_write(&c,f);
lib3ds_intw_write(material->shading,f);
}
{ /*---- LIB3DS_MAT_REFBLUR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_REFBLUR;
c.size=14;
lib3ds_chunk_write(&c,f);
int_percentage_write(material->blur,f);
}
if (material->use_blur) { /*---- LIB3DS_MAT_USE_REFBLUR ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_USE_REFBLUR;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->self_illum) { /*---- LIB3DS_MAT_SELF_ILLUM ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_SELF_ILLUM;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->two_sided) { /*---- LIB3DS_MAT_TWO_SIDE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_TWO_SIDE;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->map_decal) { /*---- LIB3DS_MAT_DECAL ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_DECAL;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->additive) { /*---- LIB3DS_MAT_ADDITIVE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_ADDITIVE;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->use_wire) { /*---- LIB3DS_MAT_WIRE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_WIRE;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->use_wire_abs) { /*---- LIB3DS_MAT_WIREABS ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_WIREABS;
c.size=6;
lib3ds_chunk_write(&c,f);
}
{ /*---- LIB3DS_MAT_WIRE_SIZE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_WIRE_SIZE;
c.size=10;
lib3ds_chunk_write(&c,f);
lib3ds_float_write(material->wire_size,f);
}
if (material->face_map) { /*---- LIB3DS_MAT_FACEMAP ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_FACEMAP;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (material->soften) { /*---- LIB3DS_MAT_PHONGSOFT ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_MAT_PHONGSOFT;
c.size=6;
lib3ds_chunk_write(&c,f);
}
if (!texture_map_write(LIB3DS_MAT_TEXMAP, &material->texture1_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_TEXMASK, &material->texture1_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_TEX2MAP, &material->texture2_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_TEX2MASK, &material->texture2_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_OPACMAP, &material->opacity_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_OPACMASK, &material->opacity_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_BUMPMAP, &material->bump_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_BUMPMASK, &material->bump_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SPECMAP, &material->specular_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SPECMASK, &material->specular_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SHINMAP, &material->shininess_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SHINMASK, &material->shininess_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SELFIMAP, &material->self_illum_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_SELFIMASK, &material->self_illum_mask, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_REFLMAP, &material->reflection_map, f)) {
return(LIB3DS_FALSE);
}
if (!texture_map_write(LIB3DS_MAT_REFLMASK, &material->reflection_mask, f)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_chunk_write_end(&c,f)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}