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;
}
}
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);
}
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);
}
/*!
* \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);
}
