/*!
* \ingroup tcb
*/
Lib3dsBool
lib3ds_tcb_read(Lib3dsTcb *tcb, Lib3dsIo *io)
{
Lib3dsWord flags;
tcb->frame=lib3ds_io_read_intd(io);
tcb->flags=flags=lib3ds_io_read_word(io);
if (flags&LIB3DS_USE_TENSION) {
tcb->tens=lib3ds_io_read_float(io);
}
if (flags&LIB3DS_USE_CONTINUITY) {
tcb->cont=lib3ds_io_read_float(io);
}
if (flags&LIB3DS_USE_BIAS) {
tcb->bias=lib3ds_io_read_float(io);
}
if (flags&LIB3DS_USE_EASE_TO) {
tcb->ease_to=lib3ds_io_read_float(io);
}
if (flags&LIB3DS_USE_EASE_FROM) {
tcb->ease_from=lib3ds_io_read_float(io);
}
if (lib3ds_io_error(io)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_morph_track_read(Lib3dsMorphTrack *track, Lib3dsIo *io)
{
/* This function was written by Stephane Denis on 5-18-04 */
int i;
Lib3dsMorphKey *k = 0;
Lib3dsMorphKey *pk = 0;
int keys;
track->flags=lib3ds_io_read_word(io);
lib3ds_io_read_dword(io);
lib3ds_io_read_dword(io);
keys=lib3ds_io_read_intd(io);
for (i=0; i<keys; ++i) {
k=lib3ds_morph_key_new();
if (!lib3ds_tcb_read(&k->tcb, io)) {
return(LIB3DS_FALSE);
}
if (!lib3ds_io_read_string(io, k->name, 11)) {
return(LIB3DS_FALSE);
}
if (!track->keyL)
track->keyL = k;
else
pk->next = k;
pk = k;
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_quat_track_read(Lib3dsQuatTrack *track, Lib3dsIo *io)
{
int keys;
int i,j;
Lib3dsQuatKey *p,*k;
track->flags=lib3ds_io_read_word(io);
lib3ds_io_read_dword(io);
lib3ds_io_read_dword(io);
keys=lib3ds_io_read_intd(io);
for (p=0,i=0; i<keys; p=k,++i) {
k=lib3ds_quat_key_new();
if (!lib3ds_tcb_read(&k->tcb, io)) {
return(LIB3DS_FALSE);
}
k->angle=lib3ds_io_read_float(io);
for (j=0; j<3; ++j) {
k->axis[j]=lib3ds_io_read_float(io);
}
lib3ds_quat_track_insert(track, k);
}
lib3ds_quat_track_setup(track);
return(LIB3DS_TRUE);
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_lin3_track_read(Lib3dsLin3Track *track, Lib3dsIo *io)
{
int keys;
int i,j;
Lib3dsLin3Key *k;
track->flags=lib3ds_io_read_word(io);
lib3ds_io_read_dword(io);
lib3ds_io_read_dword(io);
keys=lib3ds_io_read_intd(io);
for (i=0; i<keys; ++i) {
k=lib3ds_lin3_key_new();
if (!lib3ds_tcb_read(&k->tcb, io)) {
return(LIB3DS_FALSE);
}
for (j=0; j<3; ++j) {
k->value[j]=lib3ds_io_read_float(io);
}
lib3ds_lin3_track_insert(track, k);
}
lib3ds_lin3_track_setup(track);
return(LIB3DS_TRUE);
}
void
lib3ds_track_read(Lib3dsTrack *track, Lib3dsIo *io) {
unsigned nkeys;
unsigned i;
track->flags = lib3ds_io_read_word(io);
lib3ds_io_read_dword(io);
lib3ds_io_read_dword(io);
nkeys = lib3ds_io_read_intd(io);
lib3ds_track_resize(track, nkeys);
switch (track->type) {
case LIB3DS_TRACK_BOOL:
for (i = 0; i < nkeys; ++i) {
track->keys[i].frame = lib3ds_io_read_intd(io);
tcb_read(&track->keys[i], io);
}
break;
case LIB3DS_TRACK_FLOAT:
for (i = 0; i < nkeys; ++i) {
track->keys[i].frame = lib3ds_io_read_intd(io);
tcb_read(&track->keys[i], io);
track->keys[i].value[0] = lib3ds_io_read_float(io);
}
break;
case LIB3DS_TRACK_VECTOR:
for (i = 0; i < nkeys; ++i) {
track->keys[i].frame = lib3ds_io_read_intd(io);
tcb_read(&track->keys[i], io);
lib3ds_io_read_vector(io, track->keys[i].value);
}
break;
case LIB3DS_TRACK_QUAT:
for (i = 0; i < nkeys; ++i) {
track->keys[i].frame = lib3ds_io_read_intd(io);
tcb_read(&track->keys[i], io);
track->keys[i].value[3] = lib3ds_io_read_float(io);
lib3ds_io_read_vector(io, track->keys[i].value);
}
break;
/*case LIB3DS_TRACK_MORPH:
for (i = 0; i < nkeys; ++i) {
track->keys[i].frame = lib3ds_io_read_intd(io);
tcb_read(&track->keys[i].tcb, io);
lib3ds_io_read_string(io, track->keys[i].data.m.name, 64);
}
break;*/
default:
break;
}
}
/*!
* Reads a 3d-Studio chunk header from a little endian file stream.
*
* \param c The chunk to store the data.
* \param io The file stream.
*
* \return True on success, False otherwise.
*/
void
lib3ds_chunk_read(Lib3dsChunk *c, Lib3dsIo *io) {
assert(c);
assert(io);
c->cur = lib3ds_io_tell(io);
c->chunk = lib3ds_io_read_word(io);
c->size = lib3ds_io_read_dword(io);
c->end = c->cur + c->size;
c->cur += 6;
if (c->size < 6) {
lib3ds_io_log(io, LIB3DS_LOG_ERROR, "Invalid chunk header.");
}
}
/*!
* \ingroup chunk
*
* Reads a 3d-Studio chunk header from a little endian file stream.
*
* \param c The chunk to store the data.
* \param io The file stream.
*
* \return True on success, False otherwise.
*/
Lib3dsBool
lib3ds_chunk_read(Lib3dsChunk *c, Lib3dsIo *io)
{
ASSERT(c);
ASSERT(io);
c->cur=lib3ds_io_tell(io);
c->chunk=lib3ds_io_read_word(io);
c->size=lib3ds_io_read_dword(io);
c->end=c->cur+c->size;
c->cur+=6;
if (lib3ds_io_error(io) || (c->size<6)) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup chunk
*/
Lib3dsWord
lib3ds_chunk_read_next(Lib3dsChunk *c, Lib3dsIo *io)
{
Lib3dsChunk d;
if (c->cur>=c->end) {
ASSERT(c->cur==c->end);
return(0);
}
lib3ds_io_seek(io, (long)c->cur, LIB3DS_SEEK_SET);
d.chunk=lib3ds_io_read_word(io);
d.size=lib3ds_io_read_dword(io);
lib3ds_chunk_debug_dump(&d);
c->cur+=d.size;
return(d.chunk);
}
static void
tcb_read(Lib3dsKey *key, Lib3dsIo *io) {
key->flags = lib3ds_io_read_word(io);
if (key->flags & LIB3DS_KEY_USE_TENS) {
key->tens = lib3ds_io_read_float(io);
}
if (key->flags & LIB3DS_KEY_USE_CONT) {
key->cont = lib3ds_io_read_float(io);
}
if (key->flags & LIB3DS_KEY_USE_BIAS) {
key->bias = lib3ds_io_read_float(io);
}
if (key->flags & LIB3DS_KEY_USE_EASE_TO) {
key->ease_to = lib3ds_io_read_float(io);
}
if (key->flags & LIB3DS_KEY_USE_EASE_FROM) {
key->ease_from = lib3ds_io_read_float(io);
}
}
uint16_t
lib3ds_chunk_read_next(Lib3dsChunk *c, Lib3dsIo *io) {
Lib3dsChunk d;
if (c->cur >= c->end) {
assert(c->cur == c->end);
return 0;
}
lib3ds_io_seek(io, (long)c->cur, LIB3DS_SEEK_SET);
d.chunk = lib3ds_io_read_word(io);
d.size = lib3ds_io_read_dword(io);
c->cur += d.size;
if (io->log_func) {
lib3ds_io_log(io, LIB3DS_LOG_INFO, "%s (0x%X) size=%lu", lib3ds_chunk_name(d.chunk), d.chunk, d.size);
}
return d.chunk;
}
/*!
* \ingroup tracks
*/
Lib3dsBool
lib3ds_bool_track_read(Lib3dsBoolTrack *track, Lib3dsIo *io)
{
int keys;
int i;
Lib3dsBoolKey *k;
track->flags=lib3ds_io_read_word(io);
lib3ds_io_read_dword(io);
lib3ds_io_read_dword(io);
keys=lib3ds_io_read_intd(io);
for (i=0; i<keys; ++i) {
k=lib3ds_bool_key_new();
if (!lib3ds_tcb_read(&k->tcb, io)) {
return(LIB3DS_FALSE);
}
lib3ds_bool_track_insert(track, k);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup mesh
*/
Lib3dsBool
lib3ds_mesh_read(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_N_TRI_OBJECT, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_MESH_MATRIX:
{
int i,j;
lib3ds_matrix_identity(mesh->matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->matrix[i][j]=lib3ds_io_read_float(io);
}
}
}
break;
case LIB3DS_MESH_COLOR:
{
mesh->color=lib3ds_io_read_byte(io);
}
break;
case LIB3DS_POINT_ARRAY:
{
unsigned i,j;
unsigned points;
lib3ds_mesh_free_point_list(mesh);
points=lib3ds_io_read_word(io);
if (points) {
if (!lib3ds_mesh_new_point_list(mesh, points)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->points; ++i) {
for (j=0; j<3; ++j) {
mesh->pointL[i].pos[j]=lib3ds_io_read_float(io);
}
}
ASSERT((!mesh->flags) || (mesh->points==mesh->flags));
ASSERT((!mesh->texels) || (mesh->points==mesh->texels));
}
}
break;
case LIB3DS_POINT_FLAG_ARRAY:
{
unsigned i;
unsigned flags;
lib3ds_mesh_free_flag_list(mesh);
flags=lib3ds_io_read_word(io);
if (flags) {
if (!lib3ds_mesh_new_flag_list(mesh, flags)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->flags; ++i) {
mesh->flagL[i]=lib3ds_io_read_word(io);
}
ASSERT((!mesh->points) || (mesh->flags==mesh->points));
ASSERT((!mesh->texels) || (mesh->flags==mesh->texels));
}
}
break;
case LIB3DS_FACE_ARRAY:
{
lib3ds_chunk_read_reset(&c, io);
if (!face_array_read(mesh, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_MESH_TEXTURE_INFO:
{
int i,j;
for (i=0; i<2; ++i) {
mesh->map_data.tile[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
mesh->map_data.pos[i]=lib3ds_io_read_float(io);
}
mesh->map_data.scale=lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_data.matrix);
for (i=0; i<4; i++) {
for (j=0; j<3; j++) {
mesh->map_data.matrix[i][j]=lib3ds_io_read_float(io);
}
}
for (i=0; i<2; ++i) {
mesh->map_data.planar_size[i]=lib3ds_io_read_float(io);
}
mesh->map_data.cylinder_height=lib3ds_io_read_float(io);
}
break;
case LIB3DS_TEX_VERTS:
{
unsigned i;
unsigned texels;
lib3ds_mesh_free_texel_list(mesh);
texels=lib3ds_io_read_word(io);
if (texels) {
if (!lib3ds_mesh_new_texel_list(mesh, texels)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<mesh->texels; ++i) {
mesh->texelL[i][0]=lib3ds_io_read_float(io);
mesh->texelL[i][1]=lib3ds_io_read_float(io);
}
ASSERT((!mesh->points) || (mesh->texels==mesh->points));
ASSERT((!mesh->flags) || (mesh->texels==mesh->flags));
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
{
unsigned j;
for (j=0; j<mesh->faces; ++j) {
ASSERT(mesh->faceL[j].points[0]<mesh->points);
ASSERT(mesh->faceL[j].points[1]<mesh->points);
ASSERT(mesh->faceL[j].points[2]<mesh->points);
lib3ds_vector_normal(
mesh->faceL[j].normal,
mesh->pointL[mesh->faceL[j].points[0]].pos,
mesh->pointL[mesh->faceL[j].points[1]].pos,
mesh->pointL[mesh->faceL[j].points[2]].pos
);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0)
{
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
Lib3dsMatrix inv_matrix, M;
Lib3dsVector tmp;
unsigned i;
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_vector_copy(mesh->pointL[i].pos, tmp);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
face_array_read(Lib3dsMesh *mesh, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
int i;
int faces;
if (!lib3ds_chunk_read_start(&c, LIB3DS_FACE_ARRAY, io)) {
return(LIB3DS_FALSE);
}
lib3ds_mesh_free_face_list(mesh);
faces=lib3ds_io_read_word(io);
if (faces) {
if (!lib3ds_mesh_new_face_list(mesh, faces)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
for (i=0; i<faces; ++i) {
strcpy(mesh->faceL[i].material, "");
mesh->faceL[i].points[0]=lib3ds_io_read_word(io);
mesh->faceL[i].points[1]=lib3ds_io_read_word(io);
mesh->faceL[i].points[2]=lib3ds_io_read_word(io);
mesh->faceL[i].flags=lib3ds_io_read_word(io);
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_SMOOTH_GROUP:
{
unsigned i;
for (i=0; i<mesh->faces; ++i) {
mesh->faceL[i].smoothing=lib3ds_io_read_dword(io);
}
}
break;
case LIB3DS_MSH_MAT_GROUP:
{
char name[64];
unsigned faces;
unsigned i;
unsigned index;
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
faces=lib3ds_io_read_word(io);
for (i=0; i<faces; ++i) {
index=lib3ds_io_read_word(io);
ASSERT(index<mesh->faces);
strcpy(mesh->faceL[index].material, name);
}
}
break;
case LIB3DS_MSH_BOXMAP:
{
char name[64];
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.front, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.back, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.left, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.right, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.top, name);
if (!lib3ds_io_read_string(io, name, 64)) {
return(LIB3DS_FALSE);
}
strcpy(mesh->box_map.bottom, name);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
texture_map_read(Lib3dsTextureMap *map, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, 0, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_INT_PERCENTAGE: {
map->percent = 1.0f * lib3ds_io_read_intw(io) / 100.0f;
break;
}
case CHK_MAT_MAPNAME: {
lib3ds_io_read_string(io, map->name, 64);
lib3ds_io_log(io, LIB3DS_LOG_INFO, " NAME=%s", map->name);
break;
}
case CHK_MAT_MAP_TILING: {
map->flags = lib3ds_io_read_word(io);
break;
}
case CHK_MAT_MAP_TEXBLUR:
map->blur = lib3ds_io_read_float(io);
break;
case CHK_MAT_MAP_USCALE:
map->scale[0] = lib3ds_io_read_float(io);
break;
case CHK_MAT_MAP_VSCALE: {
map->scale[1] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_UOFFSET: {
map->offset[0] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_VOFFSET: {
map->offset[1] = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_ANG: {
map->rotation = lib3ds_io_read_float(io);
break;
}
case CHK_MAT_MAP_COL1: {
map->tint_1[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_1[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_1[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_COL2: {
map->tint_2[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_2[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_2[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_RCOL: {
map->tint_r[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_r[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_r[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_GCOL: {
map->tint_g[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_g[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_g[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
case CHK_MAT_MAP_BCOL: {
map->tint_b[0] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_b[1] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
map->tint_b[2] = 1.0f * lib3ds_io_read_byte(io) / 255.0f;
break;
}
default:
lib3ds_chunk_unknown(chunk,io);
}
}
lib3ds_chunk_read_end(&c, io);
}
/*!
* \ingroup node
*/
Lib3dsBool
lib3ds_node_read(Lib3dsNode *node, Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
ASSERT(node);
if (!lib3ds_chunk_read_start(&c, 0, io)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_AMBIENT_NODE_TAG:
case LIB3DS_OBJECT_NODE_TAG:
case LIB3DS_CAMERA_NODE_TAG:
case LIB3DS_TARGET_NODE_TAG:
case LIB3DS_LIGHT_NODE_TAG:
case LIB3DS_SPOTLIGHT_NODE_TAG:
case LIB3DS_L_TARGET_NODE_TAG:
break;
default:
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_NODE_ID:
{
node->node_id=lib3ds_io_read_word(io);
lib3ds_chunk_dump_info(" ID = %d", (short)node->node_id);
}
break;
case LIB3DS_NODE_HDR:
{
if (!lib3ds_io_read_string(io, node->name, 64)) {
return(LIB3DS_FALSE);
}
node->flags1=lib3ds_io_read_word(io);
node->flags2=lib3ds_io_read_word(io);
node->parent_id=lib3ds_io_read_word(io);
lib3ds_chunk_dump_info(" NAME =%s", node->name);
lib3ds_chunk_dump_info(" PARENT=%d", (short)node->parent_id);
}
break;
case LIB3DS_PIVOT:
{
if (node->type==LIB3DS_OBJECT_NODE) {
int i;
for (i=0; i<3; ++i) {
node->data.object.pivot[i]=lib3ds_io_read_float(io);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_INSTANCE_NAME:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_io_read_string(io, node->data.object.instance, 64)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_BOUNDBOX:
{
if (node->type==LIB3DS_OBJECT_NODE) {
int i;
for (i=0; i<3; ++i) {
node->data.object.bbox_min[i]=lib3ds_io_read_float(io);
}
for (i=0; i<3; ++i) {
node->data.object.bbox_max[i]=lib3ds_io_read_float(io);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_COL_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_AMBIENT_NODE:
result=lib3ds_lin3_track_read(&node->data.ambient.col_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin3_track_read(&node->data.light.col_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_POS_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_OBJECT_NODE:
result=lib3ds_lin3_track_read(&node->data.object.pos_track, io);
break;
case LIB3DS_CAMERA_NODE:
result=lib3ds_lin3_track_read(&node->data.camera.pos_track, io);
break;
case LIB3DS_TARGET_NODE:
result=lib3ds_lin3_track_read(&node->data.target.pos_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin3_track_read(&node->data.light.pos_track, io);
break;
case LIB3DS_SPOT_NODE:
result=lib3ds_lin3_track_read(&node->data.spot.pos_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_ROT_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_quat_track_read(&node->data.object.rot_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_SCL_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_lin3_track_read(&node->data.object.scl_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_FOV_TRACK_TAG:
{
if (node->type==LIB3DS_CAMERA_NODE) {
if (!lib3ds_lin1_track_read(&node->data.camera.fov_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_HOT_TRACK_TAG:
{
if (node->type==LIB3DS_LIGHT_NODE) {
if (!lib3ds_lin1_track_read(&node->data.light.hotspot_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_FALL_TRACK_TAG:
{
if (node->type==LIB3DS_LIGHT_NODE) {
if (!lib3ds_lin1_track_read(&node->data.light.falloff_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_ROLL_TRACK_TAG:
{
Lib3dsBool result=LIB3DS_TRUE;
switch (node->type) {
case LIB3DS_CAMERA_NODE:
result=lib3ds_lin1_track_read(&node->data.camera.roll_track, io);
break;
case LIB3DS_LIGHT_NODE:
result=lib3ds_lin1_track_read(&node->data.light.roll_track, io);
break;
default:
lib3ds_chunk_unknown(chunk);
}
if (!result) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_HIDE_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_bool_track_read(&node->data.object.hide_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_MORPH_SMOOTH:
{
if (node->type==LIB3DS_OBJECT_NODE) {
node->data.object.morph_smooth=lib3ds_io_read_float(io);
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
case LIB3DS_MORPH_TRACK_TAG:
{
if (node->type==LIB3DS_OBJECT_NODE) {
if (!lib3ds_morph_track_read(&node->data.object.morph_track, io)) {
return(LIB3DS_FALSE);
}
}
else {
lib3ds_chunk_unknown(chunk);
}
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static Lib3dsBool
texture_map_read(Lib3dsTextureMap *map, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_INT_PERCENTAGE:
{
map->percent=1.0f*lib3ds_io_read_intw(io)/100.0f;
}
break;
case LIB3DS_MAT_MAPNAME:
{
if (!lib3ds_io_read_string(io, map->name, 64)) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_dump_info(" NAME=%s", map->name);
}
break;
case LIB3DS_MAT_MAP_TILING:
{
map->flags=lib3ds_io_read_word(io);
}
break;
case LIB3DS_MAT_MAP_TEXBLUR:
{
map->blur=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_USCALE:
{
map->scale[0]=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_VSCALE:
{
map->scale[1]=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_UOFFSET:
{
map->offset[0]=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_VOFFSET:
{
map->offset[1]=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_ANG:
{
map->rotation=lib3ds_io_read_float(io);
}
break;
case LIB3DS_MAT_MAP_COL1:
{
map->tint_1[0]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_1[1]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_1[2]=1.0f*lib3ds_io_read_byte(io)/255.0f;
}
break;
case LIB3DS_MAT_MAP_COL2:
{
map->tint_2[0]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_2[1]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_2[2]=1.0f*lib3ds_io_read_byte(io)/255.0f;
}
break;
case LIB3DS_MAT_MAP_RCOL:
{
map->tint_r[0]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_r[1]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_r[2]=1.0f*lib3ds_io_read_byte(io)/255.0f;
}
break;
case LIB3DS_MAT_MAP_GCOL:
{
map->tint_g[0]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_g[1]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_g[2]=1.0f*lib3ds_io_read_byte(io)/255.0f;
}
break;
case LIB3DS_MAT_MAP_BCOL:
{
map->tint_b[0]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_b[1]=1.0f*lib3ds_io_read_byte(io)/255.0f;
map->tint_b[2]=1.0f*lib3ds_io_read_byte(io)/255.0f;
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
static void
face_array_read(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
int i;
uint16_t nfaces;
lib3ds_chunk_read_start(&c, CHK_FACE_ARRAY, io);
lib3ds_mesh_resize_faces(mesh, 0);
nfaces = lib3ds_io_read_word(io);
if (nfaces) {
lib3ds_mesh_resize_faces(mesh, nfaces);
for (i = 0; i < nfaces; ++i) {
mesh->faces[i].index[0] = lib3ds_io_read_word(io);
mesh->faces[i].index[1] = lib3ds_io_read_word(io);
mesh->faces[i].index[2] = lib3ds_io_read_word(io);
mesh->faces[i].flags = lib3ds_io_read_word(io);
}
lib3ds_chunk_read_tell(&c, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MSH_MAT_GROUP: {
char name[64];
unsigned n;
unsigned i;
int index;
int material;
lib3ds_io_read_string(io, name, 64);
material = lib3ds_file_material_by_name(file, name);
n = lib3ds_io_read_word(io);
for (i = 0; i < n; ++i) {
index = lib3ds_io_read_word(io);
if (index < mesh->nfaces) {
mesh->faces[index].material = material;
} else {
// TODO warning
}
}
break;
}
case CHK_SMOOTH_GROUP: {
int i;
for (i = 0; i < mesh->nfaces; ++i) {
mesh->faces[i].smoothing_group = lib3ds_io_read_dword(io);
}
break;
}
case CHK_MSH_BOXMAP: {
lib3ds_io_read_string(io, mesh->box_front, 64);
lib3ds_io_read_string(io, mesh->box_back, 64);
lib3ds_io_read_string(io, mesh->box_left, 64);
lib3ds_io_read_string(io, mesh->box_right, 64);
lib3ds_io_read_string(io, mesh->box_top, 64);
lib3ds_io_read_string(io, mesh->box_bottom, 64);
break;
}
default:
lib3ds_chunk_unknown(chunk,io);
}
}
}
lib3ds_chunk_read_end(&c, io);
}
static void
kfdata_read(Lib3dsFile *file, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
unsigned num_nodes = 0;
Lib3dsNode *last = NULL;
lib3ds_chunk_read_start(&c, CHK_KFDATA, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_KFHDR: {
file->keyf_revision = lib3ds_io_read_word(io);
lib3ds_io_read_string(io, file->name, 12 + 1);
file->frames = lib3ds_io_read_intd(io);
break;
}
case CHK_KFSEG: {
file->segment_from = lib3ds_io_read_intd(io);
file->segment_to = lib3ds_io_read_intd(io);
break;
}
case CHK_KFCURTIME: {
file->current_frame = lib3ds_io_read_intd(io);
break;
}
case CHK_VIEWPORT_LAYOUT:
case CHK_DEFAULT_VIEW: {
lib3ds_chunk_read_reset(&c, io);
lib3ds_viewport_read(&file->viewport_keyf, io);
break;
}
case CHK_AMBIENT_NODE_TAG:
case CHK_OBJECT_NODE_TAG:
case CHK_CAMERA_NODE_TAG:
case CHK_TARGET_NODE_TAG:
case CHK_LIGHT_NODE_TAG:
case CHK_SPOTLIGHT_NODE_TAG:
case CHK_L_TARGET_NODE_TAG: {
Lib3dsNodeType type = (Lib3dsNodeType)0;
Lib3dsNode *node;
switch (chunk) {
case CHK_AMBIENT_NODE_TAG:
type = LIB3DS_NODE_AMBIENT_COLOR;
break;
case CHK_OBJECT_NODE_TAG:
type = LIB3DS_NODE_MESH_INSTANCE;
break;
case CHK_CAMERA_NODE_TAG:
type = LIB3DS_NODE_CAMERA;
break;
case CHK_TARGET_NODE_TAG:
type = LIB3DS_NODE_CAMERA_TARGET;
break;
case CHK_LIGHT_NODE_TAG:
type = LIB3DS_NODE_OMNILIGHT;
break;
case CHK_SPOTLIGHT_NODE_TAG:
type = LIB3DS_NODE_SPOTLIGHT;
break;
case CHK_L_TARGET_NODE_TAG:
type = LIB3DS_NODE_SPOTLIGHT_TARGET;
break;
}
node = lib3ds_node_new(type);
node->node_id = (unsigned short)(num_nodes++);
if (last) {
last->next = node;
} else {
file->nodes = node;
}
node->user_ptr = last;
last = node;
lib3ds_chunk_read_reset(&c, io);
lib3ds_node_read(node, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
{
Lib3dsNode **nodes = (Lib3dsNode**)malloc(num_nodes * sizeof(Lib3dsNode*));
unsigned i;
Lib3dsNode *p, *q, *parent;
p = file->nodes;
for (i = 0; i < num_nodes; ++i) {
nodes[i] = p;
p = p->next;
}
qsort(nodes, num_nodes, sizeof(Lib3dsNode*), compare_node_id);
p = last;
while (p) {
q = (Lib3dsNode*)p->user_ptr;
if (p->user_id != 65535) {
parent = *(Lib3dsNode**)bsearch(&p->user_id, nodes, num_nodes, sizeof(Lib3dsNode*), compare_node_id2);
if (parent) {
q->next = p->next;
p->next = parent->childs;
p->parent = parent;
parent->childs = p;
} else {
/* TODO: warning */
}
}
p->user_id = 0;
p->user_ptr = NULL;
p = q;
}
free(nodes);
}
lib3ds_chunk_read_end(&c, io);
}
void
lib3ds_node_read(Lib3dsNode *node, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
assert(node);
lib3ds_chunk_read_start(&c, 0, io);
switch (c.chunk) {
case CHK_AMBIENT_NODE_TAG:
case CHK_OBJECT_NODE_TAG:
case CHK_CAMERA_NODE_TAG:
case CHK_TARGET_NODE_TAG:
case CHK_LIGHT_NODE_TAG:
case CHK_SPOTLIGHT_NODE_TAG:
case CHK_L_TARGET_NODE_TAG:
break;
default:
return;
}
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_NODE_ID: {
node->node_id = lib3ds_io_read_word(io);
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "ID=%d", (short)node->node_id);
lib3ds_io_log_indent(io, -1);
break;
}
case CHK_NODE_HDR: {
lib3ds_io_read_string(io, node->name, 64);
node->flags = lib3ds_io_read_word(io);
node->flags |= ((uint32_t)lib3ds_io_read_word(io)) << 16;
node->user_id = lib3ds_io_read_word(io);
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "NAME=%s", node->name);
lib3ds_io_log(io, LIB3DS_LOG_INFO, "PARENT=%d", (short)node->user_id);
lib3ds_io_log_indent(io, -1);
break;
}
case CHK_PIVOT: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_vector(io, n->pivot);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_INSTANCE_NAME: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_string(io, n->instance_name, 64);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_BOUNDBOX: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
lib3ds_io_read_vector(io, n->bbox_min);
lib3ds_io_read_vector(io, n->bbox_max);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_COL_TRACK_TAG: {
Lib3dsTrack *track = 0;
switch (node->type) {
case LIB3DS_NODE_AMBIENT_COLOR: {
Lib3dsAmbientColorNode *n = (Lib3dsAmbientColorNode*)node;
track = &n->color_track;
break;
}
case LIB3DS_NODE_OMNILIGHT: {
Lib3dsOmnilightNode *n = (Lib3dsOmnilightNode*)node;
track = &n->color_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
track = &n->color_track;
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
if (track) {
lib3ds_track_read(track, io);
}
break;
}
case CHK_POS_TRACK_TAG: {
Lib3dsTrack *track = 0;
switch (node->type) {
case LIB3DS_NODE_MESH_INSTANCE: {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_CAMERA: {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_CAMERA_TARGET: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_OMNILIGHT: {
Lib3dsOmnilightNode *n = (Lib3dsOmnilightNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
track = &n->pos_track;
break;
}
case LIB3DS_NODE_SPOTLIGHT_TARGET: {
Lib3dsTargetNode *n = (Lib3dsTargetNode*)node;
track = &n->pos_track;
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
if (track) {
lib3ds_track_read(track, io);
}
break;
}
case CHK_ROT_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->rot_track.type = LIB3DS_TRACK_QUAT;
lib3ds_track_read(&n->rot_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_SCL_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->scl_track.type = LIB3DS_TRACK_VECTOR;
lib3ds_track_read(&n->scl_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_FOV_TRACK_TAG: {
if (node->type == LIB3DS_NODE_CAMERA) {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
n->fov_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->fov_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_HOT_TRACK_TAG: {
if (node->type == LIB3DS_NODE_SPOTLIGHT) {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->hotspot_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->hotspot_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_FALL_TRACK_TAG: {
if (node->type == LIB3DS_NODE_SPOTLIGHT) {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->falloff_track.type= LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->falloff_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_ROLL_TRACK_TAG: {
switch (node->type) {
case LIB3DS_NODE_CAMERA: {
Lib3dsCameraNode *n = (Lib3dsCameraNode*)node;
n->roll_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->roll_track, io);
break;
}
case LIB3DS_NODE_SPOTLIGHT: {
Lib3dsSpotlightNode *n = (Lib3dsSpotlightNode*)node;
n->roll_track.type = LIB3DS_TRACK_FLOAT;
lib3ds_track_read(&n->roll_track, io);
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_HIDE_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->hide_track.type = LIB3DS_TRACK_BOOL;
lib3ds_track_read(&n->hide_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
break;
}
case CHK_MORPH_SMOOTH: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->morph_smooth = lib3ds_io_read_float(io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
}
break;
/*
case LIB3DS_MORPH_TRACK_TAG: {
if (node->type == LIB3DS_NODE_MESH_INSTANCE) {
Lib3dsMeshInstanceNode *n = (Lib3dsMeshInstanceNode*)node;
n->morph_track = lib3ds_track_new(node, LIB3DS_TRACK_MORPH, 0);
lib3ds_track_read(n->morph_track, io);
} else {
lib3ds_chunk_unknown(chunk, io);
}
}
break;
*/
default:
lib3ds_chunk_unknown(chunk, io);
}
}
lib3ds_chunk_read_end(&c, io);
}
static Lib3dsBool
kfdata_read(Lib3dsFile *file, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
Lib3dsDword node_number = 0;
if (!lib3ds_chunk_read_start(&c, LIB3DS_KFDATA, io)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_KFHDR:
{
file->keyf_revision=lib3ds_io_read_word(io);
if (!lib3ds_io_read_string(io, file->name, 12+1)) {
return(LIB3DS_FALSE);
}
file->frames=lib3ds_io_read_intd(io);
}
break;
case LIB3DS_KFSEG:
{
file->segment_from=lib3ds_io_read_intd(io);
file->segment_to=lib3ds_io_read_intd(io);
}
break;
case LIB3DS_KFCURTIME:
{
file->current_frame=lib3ds_io_read_intd(io);
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_viewport_read(&file->viewport_keyf, io)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_AMBIENT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_ambient();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_OBJECT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_object();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_CAMERA_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_camera();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_target();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_LIGHT_NODE_TAG:
case LIB3DS_SPOTLIGHT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_light();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
case LIB3DS_L_TARGET_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_spot();
if (!node) {
return(LIB3DS_FALSE);
}
node->node_id=node_number++;
lib3ds_chunk_read_reset(&c, io);
if (!lib3ds_node_read(node, file, io)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}
void
lib3ds_mesh_read(Lib3dsFile *file, Lib3dsMesh *mesh, Lib3dsIo *io) {
Lib3dsChunk c;
uint16_t chunk;
lib3ds_chunk_read_start(&c, CHK_N_TRI_OBJECT, io);
while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) {
switch (chunk) {
case CHK_MESH_MATRIX: {
int i, j;
lib3ds_matrix_identity(mesh->matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->matrix[i][j] = lib3ds_io_read_float(io);
}
}
break;
}
case CHK_MESH_COLOR: {
mesh->color = lib3ds_io_read_byte(io);
break;
}
case CHK_POINT_ARRAY: {
int i;
uint16_t nvertices = lib3ds_io_read_word(io);
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, mesh->vflags != NULL);
for (i = 0; i < mesh->nvertices; ++i) {
lib3ds_io_read_vector(io, mesh->vertices[i]);
}
break;
}
case CHK_POINT_FLAG_ARRAY: {
int i;
uint16_t nflags = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= nflags)? mesh->nvertices : nflags;
lib3ds_mesh_resize_vertices(mesh, nvertices, mesh->texcos != NULL, 1);
for (i = 0; i < nflags; ++i) {
mesh->vflags[i] = lib3ds_io_read_word(io);
}
break;
}
case CHK_FACE_ARRAY: {
lib3ds_chunk_read_reset(&c, io);
face_array_read(file, mesh, io);
break;
}
case CHK_MESH_TEXTURE_INFO: {
int i, j;
//FIXME: mesh->map_type = lib3ds_io_read_word(io);
for (i = 0; i < 2; ++i) {
mesh->map_tile[i] = lib3ds_io_read_float(io);
}
for (i = 0; i < 3; ++i) {
mesh->map_pos[i] = lib3ds_io_read_float(io);
}
mesh->map_scale = lib3ds_io_read_float(io);
lib3ds_matrix_identity(mesh->map_matrix);
for (i = 0; i < 4; i++) {
for (j = 0; j < 3; j++) {
mesh->map_matrix[i][j] = lib3ds_io_read_float(io);
}
}
for (i = 0; i < 2; ++i) {
mesh->map_planar_size[i] = lib3ds_io_read_float(io);
}
mesh->map_cylinder_height = lib3ds_io_read_float(io);
break;
}
case CHK_TEX_VERTS: {
int i;
uint16_t ntexcos = lib3ds_io_read_word(io);
uint16_t nvertices = (mesh->nvertices >= ntexcos)? mesh->nvertices : ntexcos;;
if (!mesh->texcos) {
lib3ds_mesh_resize_vertices(mesh, nvertices, 1, mesh->vflags != NULL);
}
for (i = 0; i < ntexcos; ++i) {
mesh->texcos[i][0] = lib3ds_io_read_float(io);
mesh->texcos[i][1] = lib3ds_io_read_float(io);
}
break;
}
default:
lib3ds_chunk_unknown(chunk, io);
}
}
if (lib3ds_matrix_det(mesh->matrix) < 0.0) {
/* Flip X coordinate of vertices if mesh matrix
has negative determinant */
float inv_matrix[4][4], M[4][4];
float tmp[3];
int i;
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_vector_copy(mesh->vertices[i], tmp);
}
}
lib3ds_chunk_read_end(&c, io);
}
/*!
* \ingroup viewport
*/
Lib3dsBool
lib3ds_viewport_read(Lib3dsViewport *viewport, Lib3dsIo *io)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, 0, io)) {
return(LIB3DS_FALSE);
}
switch (c.chunk) {
case LIB3DS_VIEWPORT_LAYOUT:
{
int cur=0;
viewport->layout.style=lib3ds_io_read_word(io);
viewport->layout.active=lib3ds_io_read_intw(io);
lib3ds_io_read_intw(io);
viewport->layout.swap=lib3ds_io_read_intw(io);
lib3ds_io_read_intw(io);
viewport->layout.swap_prior=lib3ds_io_read_intw(io);
viewport->layout.swap_view=lib3ds_io_read_intw(io);
lib3ds_chunk_read_tell(&c, io);
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_VIEWPORT_SIZE:
{
viewport->layout.position[0]=lib3ds_io_read_word(io);
viewport->layout.position[1]=lib3ds_io_read_word(io);
viewport->layout.size[0]=lib3ds_io_read_word(io);
viewport->layout.size[1]=lib3ds_io_read_word(io);
}
break;
case LIB3DS_VIEWPORT_DATA_3:
{
lib3ds_viewport_set_views(viewport,cur+1);
lib3ds_io_read_intw(io);
viewport->layout.viewL[cur].axis_lock=lib3ds_io_read_word(io);
viewport->layout.viewL[cur].position[0]=lib3ds_io_read_intw(io);
viewport->layout.viewL[cur].position[1]=lib3ds_io_read_intw(io);
viewport->layout.viewL[cur].size[0]=lib3ds_io_read_intw(io);
viewport->layout.viewL[cur].size[1]=lib3ds_io_read_intw(io);
viewport->layout.viewL[cur].type=lib3ds_io_read_word(io);
viewport->layout.viewL[cur].zoom=lib3ds_io_read_float(io);
lib3ds_io_read_vector(io, viewport->layout.viewL[cur].center);
viewport->layout.viewL[cur].horiz_angle=lib3ds_io_read_float(io);
viewport->layout.viewL[cur].vert_angle=lib3ds_io_read_float(io);
lib3ds_io_read(io, viewport->layout.viewL[cur].camera, 11);
++cur;
}
break;
case LIB3DS_VIEWPORT_DATA:
/* 3DS R2 & R3 chunk
unsupported */
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
break;
case LIB3DS_DEFAULT_VIEW:
{
memset(&viewport->default_view,0,sizeof(Lib3dsDefaultView));
while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) {
switch (chunk) {
case LIB3DS_VIEW_TOP:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_TOP;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_BOTTOM:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_BOTTOM;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_LEFT:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_LEFT;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_RIGHT:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_RIGHT;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_FRONT:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_FRONT;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_BACK:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_BACK;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_USER:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_USER;
lib3ds_io_read_vector(io, viewport->default_view.position);
viewport->default_view.width=lib3ds_io_read_float(io);
viewport->default_view.horiz_angle=lib3ds_io_read_float(io);
viewport->default_view.vert_angle=lib3ds_io_read_float(io);
viewport->default_view.roll_angle=lib3ds_io_read_float(io);
}
break;
case LIB3DS_VIEW_CAMERA:
{
viewport->default_view.type=LIB3DS_VIEW_TYPE_CAMERA;
lib3ds_io_read(io, viewport->default_view.camera, 11);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
}
break;
}
lib3ds_chunk_read_end(&c, io);
return(LIB3DS_TRUE);
}