static Lib3dsBool
kfdata_read(Lib3dsFile *file, FILE *f)
{
Lib3dsChunk c;
Lib3dsWord chunk;
if (!lib3ds_chunk_read_start(&c, LIB3DS_KFDATA, f)) {
return(LIB3DS_FALSE);
}
while ((chunk=lib3ds_chunk_read_next(&c, f))!=0) {
switch (chunk) {
case LIB3DS_KFHDR:
{
file->keyf_revision=lib3ds_word_read(f);
if (!lib3ds_string_read(file->name, 12+1, f)) {
return(LIB3DS_FALSE);
}
file->frames=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFSEG:
{
file->segment_from=lib3ds_intd_read(f);
file->segment_to=lib3ds_intd_read(f);
}
break;
case LIB3DS_KFCURTIME:
{
file->current_frame=lib3ds_intd_read(f);
}
break;
case LIB3DS_VIEWPORT_LAYOUT:
case LIB3DS_DEFAULT_VIEW:
{
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_viewport_read(&file->viewport_keyf, f)) {
return(LIB3DS_FALSE);
}
}
break;
case LIB3DS_AMBIENT_NODE_TAG:
{
Lib3dsNode *node;
node=lib3ds_node_new_ambient();
if (!node) {
return(LIB3DS_FALSE);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
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);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
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);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
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);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
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);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
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);
}
lib3ds_chunk_read_reset(&c, f);
if (!lib3ds_node_read(node, file, f)) {
return(LIB3DS_FALSE);
}
lib3ds_file_insert_node(file, node);
}
break;
default:
lib3ds_chunk_unknown(chunk);
}
}
lib3ds_chunk_read_end(&c, f);
return(LIB3DS_TRUE);
}
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);
}
