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);
}
}
}
/*!
* \ingroup tcb
*/
Lib3dsBool
lib3ds_tcb_write(Lib3dsTcb *tcb, Lib3dsIo *io)
{
lib3ds_io_write_intd(io, tcb->frame);
lib3ds_io_write_word(io, tcb->flags);
if (tcb->flags&LIB3DS_USE_TENSION) {
lib3ds_io_write_float(io, tcb->tens);
}
if (tcb->flags&LIB3DS_USE_CONTINUITY) {
lib3ds_io_write_float(io, tcb->cont);
}
if (tcb->flags&LIB3DS_USE_BIAS) {
lib3ds_io_write_float(io, tcb->bias);
}
if (tcb->flags&LIB3DS_USE_EASE_TO) {
lib3ds_io_write_float(io, tcb->ease_to);
}
if (tcb->flags&LIB3DS_USE_EASE_FROM) {
lib3ds_io_write_float(io, tcb->ease_from);
}
if (lib3ds_io_error(io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* Writes a 3d-Studio chunk header into a little endian file stream.
*
* \param c The chunk to be written.
* \param io The file stream.
*
* \return True on success, False otherwise.
*/
void
lib3ds_chunk_write(Lib3dsChunk *c, Lib3dsIo *io)
{
assert(c);
lib3ds_io_write_word(io, c->chunk);
lib3ds_io_write_dword(io, c->size);
}
void
lib3ds_chunk_write_start(Lib3dsChunk *c, Lib3dsIo *io) {
assert(c);
c->size = 0;
c->cur = lib3ds_io_tell(io);
lib3ds_io_write_word(io, c->chunk);
lib3ds_io_write_dword(io, c->size);
}
static void
flag_array_write(Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
int i;
if (!mesh->vflags) {
return;
}
c.chunk = CHK_POINT_FLAG_ARRAY;
c.size = 8 + 2 * mesh->nvertices;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (uint16_t) mesh->nvertices);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_write_word(io, mesh->vflags[i]);
}
}
static Lib3dsBool
flag_array_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
unsigned i;
if (!mesh->flags || !mesh->flagL) {
return(LIB3DS_TRUE);
}
ASSERT(mesh->flags<0x10000);
c.chunk=LIB3DS_POINT_FLAG_ARRAY;
c.size=8+2*mesh->flags;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (Lib3dsWord)mesh->flags);
for (i=0; i<mesh->flags; ++i) {
lib3ds_io_write_word(io, mesh->flagL[i]);
}
return(LIB3DS_TRUE);
}
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;*/
}
}
/*!
* \ingroup chunk
*
* Writes a 3d-Studio chunk header into a little endian file stream.
*
* \param c The chunk to be written.
* \param io The file stream.
*
* \return True on success, False otherwise.
*/
Lib3dsBool
lib3ds_chunk_write(Lib3dsChunk *c, Lib3dsIo *io)
{
ASSERT(c);
if (!lib3ds_io_write_word(io, c->chunk)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
if (!lib3ds_io_write_dword(io, c->size)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup chunk
*/
Lib3dsBool
lib3ds_chunk_write_start(Lib3dsChunk *c, Lib3dsIo *io)
{
ASSERT(c);
c->size=0;
c->cur=lib3ds_io_tell(io);
if (!lib3ds_io_write_word(io, c->chunk)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_io_write_dword(io, c->size)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
static void
texco_array_write(Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
int i;
if (!mesh->texcos) {
return;
}
c.chunk = CHK_TEX_VERTS;
c.size = 8 + 8 * mesh->nvertices;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, mesh->nvertices);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_write_float(io, mesh->texcos[i][0]);
lib3ds_io_write_float(io, mesh->texcos[i][1]);
}
}
void
tcb_write(Lib3dsKey *key, Lib3dsIo *io) {
lib3ds_io_write_word(io, key->flags);
if (key->flags & LIB3DS_KEY_USE_TENS) {
lib3ds_io_write_float(io, key->tens);
}
if (key->flags & LIB3DS_KEY_USE_CONT) {
lib3ds_io_write_float(io, key->cont);
}
if (key->flags & LIB3DS_KEY_USE_BIAS) {
lib3ds_io_write_float(io, key->bias);
}
if (key->flags & LIB3DS_KEY_USE_EASE_TO) {
lib3ds_io_write_float(io, key->ease_to);
}
if (key->flags & LIB3DS_KEY_USE_EASE_FROM) {
lib3ds_io_write_float(io, key->ease_from);
}
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_bool_track_write(Lib3dsBoolTrack *track, Lib3dsIo *io)
{
Lib3dsBoolKey *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);
}
}
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);
}
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
texel_array_write(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
unsigned i;
if (!mesh->texels || !mesh->texelL) {
return(LIB3DS_TRUE);
}
ASSERT(mesh->texels<0x10000);
c.chunk=LIB3DS_TEX_VERTS;
c.size=8+8*mesh->texels;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_word(io, (Lib3dsWord)mesh->texels);
for (i=0; i<mesh->texels; ++i) {
lib3ds_io_write_float(io, mesh->texelL[i][0]);
lib3ds_io_write_float(io, mesh->texelL[i][1]);
}
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);
}
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
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);
}
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 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);
}
/*!
* \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);
}
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);
}
/*!
* \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);
}
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);
}
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);
}