/*!
* 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);
}
static void
point_array_write(Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
int i;
c.chunk = CHK_POINT_ARRAY;
c.size = 8 + 12 * mesh->nvertices;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (uint16_t) mesh->nvertices);
if (lib3ds_matrix_det(mesh->matrix) >= 0.0f) {
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_write_vector(io, mesh->vertices[i]);
}
} else {
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
float inv_matrix[4][4], M[4][4];
float tmp[3];
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_io_write_vector(io, tmp);
}
}
}
void
lib3ds_track_write(Lib3dsTrack *track, Lib3dsIo *io) {
int i;
lib3ds_io_write_word(io, (uint16_t)track->flags);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, track->nkeys);
switch (track->type) {
case LIB3DS_TRACK_BOOL:
for (i = 0; i < track->nkeys; ++i) {
lib3ds_io_write_intd(io, track->keys[i].frame);
tcb_write(&track->keys[i], io);
}
break;
case LIB3DS_TRACK_FLOAT:
for (i = 0; i < track->nkeys; ++i) {
lib3ds_io_write_intd(io, track->keys[i].frame);
tcb_write(&track->keys[i], io);
lib3ds_io_write_float(io, track->keys[i].value[0]);
}
break;
case LIB3DS_TRACK_VECTOR:
for (i = 0; i < track->nkeys; ++i) {
lib3ds_io_write_intd(io, track->keys[i].frame);
tcb_write(&track->keys[i], io);
lib3ds_io_write_vector(io, track->keys[i].value);
}
break;
case LIB3DS_TRACK_QUAT:
for (i = 0; i < track->nkeys; ++i) {
lib3ds_io_write_intd(io, track->keys[i].frame);
tcb_write(&track->keys[i], io);
lib3ds_io_write_float(io, track->keys[i].value[3]);
lib3ds_io_write_vector(io, track->keys[i].value);
}
break;
/*case LIB3DS_TRACK_MORPH:
for (i = 0; i < track->nkeys; ++i) {
lib3ds_io_write_intd(io, track->keys[i].frame);
tcb_write(&track->keys[i].tcb, io);
lib3ds_io_write_string(io, track->keys[i].data.m.name);
}
break;*/
}
}
static Lib3dsBool
point_array_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
unsigned i;
if (!mesh->points || !mesh->pointL) {
return(LIB3DS_TRUE);
}
ASSERT(mesh->points<0x10000);
c.chunk=LIB3DS_POINT_ARRAY;
c.size=8+12*mesh->points;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (Lib3dsWord)mesh->points);
if (lib3ds_matrix_det(mesh->matrix) >= 0.0f) {
for (i=0; i<mesh->points; ++i) {
lib3ds_io_write_vector(io, mesh->pointL[i].pos);
}
}
else {
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
Lib3dsMatrix inv_matrix, M;
Lib3dsVector tmp;
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_io_write_vector(io, tmp);
}
}
return(LIB3DS_TRUE);
}
static Lib3dsBool
point_array_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
unsigned i;
if (!mesh->points || !mesh->pointL) {
return(LIB3DS_TRUE);
}
ASSERT(mesh->points<0x10000);
c.chunk=LIB3DS_POINT_ARRAY;
c.size=8+12*mesh->points;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (Lib3dsWord)mesh->points);
for (i=0; i<mesh->points; ++i) {
lib3ds_io_write_vector(io, mesh->pointL[i].pos);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_lin3_track_write(Lib3dsLin3Track *track, Lib3dsIo *io)
{
Lib3dsLin3Key *k;
Lib3dsDword num=0;
for (k=track->keyL; k; k=k->next) {
++num;
}
lib3ds_io_write_word(io, (Lib3dsWord)track->flags);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, num);
for (k=track->keyL; k; k=k->next) {
if (!lib3ds_tcb_write(&k->tcb,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_vector(io, k->value);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_quat_track_write(Lib3dsQuatTrack *track, Lib3dsIo *io)
{
Lib3dsQuatKey *k;
Lib3dsDword num=0;
for (k=track->keyL; k; k=k->next) {
++num;
}
lib3ds_io_write_word(io, (Lib3dsWord)track->flags);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, 0);
lib3ds_io_write_dword(io, num);
for (k=track->keyL; k; k=k->next) {
if (!lib3ds_tcb_write(&k->tcb,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_float(io, k->angle);
lib3ds_io_write_vector(io, k->axis);
}
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 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_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);
}
static Lib3dsBool
mdata_write(Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
c.chunk=LIB3DS_MDATA;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
{ /*---- LIB3DS_MESH_VERSION ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_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=LIB3DS_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=LIB3DS_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=LIB3DS_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);
{
Lib3dsMaterial *p;
for (p=file->materials; p!=0; p=p->next) {
if (!lib3ds_material_write(p,io)) {
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,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_string(io, p->name);
lib3ds_camera_write(p,io);
object_flags_write(p->object_flags,io);
if (!lib3ds_chunk_write_end(&c,io)) {
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,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_string(io,p->name);
lib3ds_light_write(p,io);
object_flags_write(p->object_flags,io);
if (!lib3ds_chunk_write_end(&c,io)) {
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,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_string(io, p->name);
lib3ds_mesh_write(p,io);
object_flags_write(p->object_flags,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 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);
}
/*!
* \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);
}