--- /dev/null
+/*
+ * The 3D Studio File Format Library
+ * Copyright (C) 1996-2001 by J.E. Hoffmann <je-h@gmx.net>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: node.c,v 1.13 2004/11/16 07:41:44 efalk Exp $
+ */
+#define LIB3DS_EXPORT
+#include <lib3ds/node.h>
+#include <lib3ds/file.h>
+#include <lib3ds/io.h>
+#include <lib3ds/chunk.h>
+#include <lib3ds/matrix.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+
+/*!
+ * \defgroup node Animation Nodes
+ *
+ * \author J.E. Hoffmann <je-h@gmx.net>
+ */
+
+
+/*!
+ * Create and return a new ambient node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_ambient()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_AMBIENT_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+/*!
+ * Create and return a new object node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_object()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_OBJECT_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+/*!
+ * Create and return a new camera node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_camera()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_CAMERA_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+/*!
+ * Create and return a new target node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_target()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_TARGET_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+/*!
+ * Create and return a new light node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_light()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_LIGHT_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+/*!
+ * Create and return a new spot node.
+ *
+ * The node is returned with an identity matrix. All other fields
+ * are zero.
+ *
+ * \return Lib3dsNode
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_new_spot()
+{
+ Lib3dsNode *node=(Lib3dsNode*)calloc(sizeof(Lib3dsNode), 1);
+ node->type=LIB3DS_SPOT_NODE;
+ lib3ds_matrix_identity(node->matrix);
+ return(node);
+}
+
+
+static void
+free_node_and_childs(Lib3dsNode *node)
+{
+ ASSERT(node);
+ switch (node->type) {
+ case LIB3DS_UNKNOWN_NODE:
+ break;
+ case LIB3DS_AMBIENT_NODE:
+ {
+ Lib3dsAmbientData *n=&node->data.ambient;
+ lib3ds_lin3_track_free_keys(&n->col_track);
+ }
+ break;
+ case LIB3DS_OBJECT_NODE:
+ {
+ Lib3dsObjectData *n=&node->data.object;
+
+ lib3ds_lin3_track_free_keys(&n->pos_track);
+ lib3ds_quat_track_free_keys(&n->rot_track);
+ lib3ds_lin3_track_free_keys(&n->scl_track);
+ lib3ds_bool_track_free_keys(&n->hide_track);
+ lib3ds_morph_track_free_keys(&n->morph_track);
+ }
+ break;
+ case LIB3DS_CAMERA_NODE:
+ {
+ Lib3dsCameraData *n=&node->data.camera;
+ lib3ds_lin3_track_free_keys(&n->pos_track);
+ lib3ds_lin1_track_free_keys(&n->fov_track);
+ lib3ds_lin1_track_free_keys(&n->roll_track);
+ }
+ break;
+ case LIB3DS_TARGET_NODE:
+ {
+ Lib3dsTargetData *n=&node->data.target;
+ lib3ds_lin3_track_free_keys(&n->pos_track);
+ }
+ break;
+ case LIB3DS_LIGHT_NODE:
+ {
+ Lib3dsLightData *n=&node->data.light;
+ lib3ds_lin3_track_free_keys(&n->pos_track);
+ lib3ds_lin3_track_free_keys(&n->col_track);
+ lib3ds_lin1_track_free_keys(&n->hotspot_track);
+ lib3ds_lin1_track_free_keys(&n->falloff_track);
+ lib3ds_lin1_track_free_keys(&n->roll_track);
+ }
+ break;
+ case LIB3DS_SPOT_NODE:
+ {
+ Lib3dsSpotData *n=&node->data.spot;
+ lib3ds_lin3_track_free_keys(&n->pos_track);
+ }
+ break;
+ }
+ {
+ Lib3dsNode *p,*q;
+ for (p=node->childs; p; p=q) {
+ q=p->next;
+ free_node_and_childs(p);
+ }
+ }
+ node->type=LIB3DS_UNKNOWN_NODE;
+ free(node);
+}
+
+
+/*!
+ * Free a node and all of its resources.
+ *
+ * \param node Lib3dsNode object to be freed.
+ *
+ * \ingroup node
+ */
+void
+lib3ds_node_free(Lib3dsNode *node)
+{
+ ASSERT(node);
+ free_node_and_childs(node);
+}
+
+
+/*!
+ * Evaluate an animation node.
+ *
+ * Recursively sets node and its children to their appropriate values
+ * for this point in the animation.
+ *
+ * \param node Node to be evaluated.
+ * \param t time value, between 0. and file->frames
+ *
+ * \ingroup node
+ */
+void
+lib3ds_node_eval(Lib3dsNode *node, Lib3dsFloat t)
+{
+ ASSERT(node);
+ switch (node->type) {
+ case LIB3DS_UNKNOWN_NODE:
+ {
+ ASSERT(LIB3DS_FALSE);
+ }
+ break;
+ case LIB3DS_AMBIENT_NODE:
+ {
+ Lib3dsAmbientData *n=&node->data.ambient;
+ if (node->parent) {
+ lib3ds_matrix_copy(node->matrix, node->parent->matrix);
+ }
+ else {
+ lib3ds_matrix_identity(node->matrix);
+ }
+ lib3ds_lin3_track_eval(&n->col_track, n->col, t);
+ }
+ break;
+ case LIB3DS_OBJECT_NODE:
+ {
+ Lib3dsMatrix M;
+ Lib3dsObjectData *n=&node->data.object;
+
+ lib3ds_lin3_track_eval(&n->pos_track, n->pos, t);
+ lib3ds_quat_track_eval(&n->rot_track, n->rot, t);
+ lib3ds_lin3_track_eval(&n->scl_track, n->scl, t);
+ lib3ds_bool_track_eval(&n->hide_track, &n->hide, t);
+ lib3ds_morph_track_eval(&n->morph_track, n->morph, t);
+
+ lib3ds_matrix_identity(M);
+ lib3ds_matrix_translate(M, n->pos);
+ lib3ds_matrix_rotate(M, n->rot);
+ lib3ds_matrix_scale(M, n->scl);
+
+ if (node->parent) {
+ lib3ds_matrix_mul(node->matrix, node->parent->matrix, M);
+ }
+ else {
+ lib3ds_matrix_copy(node->matrix, M);
+ }
+ }
+ break;
+ case LIB3DS_CAMERA_NODE:
+ {
+ Lib3dsCameraData *n=&node->data.camera;
+ lib3ds_lin3_track_eval(&n->pos_track, n->pos, t);
+ lib3ds_lin1_track_eval(&n->fov_track, &n->fov, t);
+ lib3ds_lin1_track_eval(&n->roll_track, &n->roll, t);
+ if (node->parent) {
+ lib3ds_matrix_copy(node->matrix, node->parent->matrix);
+ }
+ else {
+ lib3ds_matrix_identity(node->matrix);
+ }
+ lib3ds_matrix_translate(node->matrix, n->pos);
+ }
+ break;
+ case LIB3DS_TARGET_NODE:
+ {
+ Lib3dsTargetData *n=&node->data.target;
+ lib3ds_lin3_track_eval(&n->pos_track, n->pos, t);
+ if (node->parent) {
+ lib3ds_matrix_copy(node->matrix, node->parent->matrix);
+ }
+ else {
+ lib3ds_matrix_identity(node->matrix);
+ }
+ lib3ds_matrix_translate(node->matrix, n->pos);
+ }
+ break;
+ case LIB3DS_LIGHT_NODE:
+ {
+ Lib3dsLightData *n=&node->data.light;
+ lib3ds_lin3_track_eval(&n->pos_track, n->pos, t);
+ lib3ds_lin3_track_eval(&n->col_track, n->col, t);
+ lib3ds_lin1_track_eval(&n->hotspot_track, &n->hotspot, t);
+ lib3ds_lin1_track_eval(&n->falloff_track, &n->falloff, t);
+ lib3ds_lin1_track_eval(&n->roll_track, &n->roll, t);
+ if (node->parent) {
+ lib3ds_matrix_copy(node->matrix, node->parent->matrix);
+ }
+ else {
+ lib3ds_matrix_identity(node->matrix);
+ }
+ lib3ds_matrix_translate(node->matrix, n->pos);
+ }
+ break;
+ case LIB3DS_SPOT_NODE:
+ {
+ Lib3dsSpotData *n=&node->data.spot;
+ lib3ds_lin3_track_eval(&n->pos_track, n->pos, t);
+ if (node->parent) {
+ lib3ds_matrix_copy(node->matrix, node->parent->matrix);
+ }
+ else {
+ lib3ds_matrix_identity(node->matrix);
+ }
+ lib3ds_matrix_translate(node->matrix, n->pos);
+ }
+ break;
+ }
+ {
+ Lib3dsNode *p;
+
+ for (p=node->childs; p!=0; p=p->next) {
+ lib3ds_node_eval(p, t);
+ }
+ }
+}
+
+
+/*!
+ * Return a node object by name and type.
+ *
+ * This function performs a recursive search for the specified node.
+ * Both name and type must match.
+ *
+ * \param node The parent node for the search
+ * \param name The target node name.
+ * \param type The target node type
+ *
+ * \return A pointer to the first matching node, or NULL if not found.
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_by_name(Lib3dsNode *node, const char* name, Lib3dsNodeTypes type)
+{
+ Lib3dsNode *p,*q;
+
+ for (p=node->childs; p!=0; p=p->next) {
+ if ((p->type==type) && (strcmp(p->name, name)==0)) {
+ return(p);
+ }
+ q=lib3ds_node_by_name(p, name, type);
+ if (q) {
+ return(q);
+ }
+ }
+ return(0);
+}
+
+
+/*!
+ * Return a node object by id.
+ *
+ * This function performs a recursive search for the specified node.
+ *
+ * \param node The parent node for the search
+ * \param node_id The target node id.
+ *
+ * \return A pointer to the first matching node, or NULL if not found.
+ *
+ * \ingroup node
+ */
+Lib3dsNode*
+lib3ds_node_by_id(Lib3dsNode *node, Lib3dsWord node_id)
+{
+ Lib3dsNode *p,*q;
+
+ for (p=node->childs; p!=0; p=p->next) {
+ if (p->node_id==node_id) {
+ return(p);
+ }
+ q=lib3ds_node_by_id(p, node_id);
+ if (q) {
+ return(q);
+ }
+ }
+ return(0);
+}
+
+
+static const char* node_names_table[]= {
+ "***Unknown***",
+ "Ambient",
+ "Object",
+ "Camera",
+ "Target",
+ "Light",
+ "Spot"
+};
+
+
+/*!
+ * Dump node and all descendants recursively.
+ *
+ * \param node The top-level node to be dumped.
+ * \param level current recursion depth
+ *
+ * \ingroup node
+ */
+void
+lib3ds_node_dump(Lib3dsNode *node, Lib3dsIntd level)
+{
+ Lib3dsNode *p;
+ char l[128];
+
+ ASSERT(node);
+ memset(l, ' ', 2*level);
+ l[2*level]=0;
+
+ if (node->type==LIB3DS_OBJECT_NODE) {
+ printf("%s%s [%s] (%s)\n",
+ l,
+ node->name,
+ node->data.object.instance,
+ node_names_table[node->type]
+ );
+ }
+ else {
+ printf("%s%s (%s)\n",
+ l,
+ node->name,
+ node_names_table[node->type]
+ );
+ }
+
+ for (p=node->childs; p!=0; p=p->next) {
+ lib3ds_node_dump(p, level+1);
+ }
+}
+
+
+/*!
+ * \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);
+}
+
+
+/*!
+ * \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+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+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);
+}
+
+
+/*!
+
+\typedef Lib3dsNodeTypes
+ \ingroup node
+
+*/
+/*!
+
+\enum _Lib3dsNodeTypes
+ \ingroup node
+
+*/
+/*!
+
+\typedef Lib3dsBoolKey
+ \ingroup node
+ \sa _Lib3dsBoolKey
+
+*/
+/*!
+
+\typedef Lib3dsBoolTrack
+ \ingroup node
+ \sa _Lib3dsBoolTrack
+
+*/
+/*!
+
+\typedef Lib3dsLin1Key
+ \ingroup node
+ \sa _Lib3dsLin1Key
+
+*/
+/*!
+
+\typedef Lib3dsLin1Track
+ \ingroup node
+ \sa _Lib3dsLin1Track
+
+*/
+/*!
+
+\typedef Lib3dsLin3Key
+ \ingroup node
+ \sa _Lib3dsLin3Key
+
+*/
+/*!
+
+\typedef Lib3dsLin3Track
+ \ingroup node
+ \sa _Lib3dsLin3Track
+
+*/
+/*!
+
+\typedef Lib3dsQuatKey
+ \ingroup node
+ \sa _Lib3dsQuatKey
+
+*/
+/*!
+
+\typedef Lib3dsQuatTrack
+ \ingroup node
+ \sa _Lib3dsLin3Key
+
+*/
+/*!
+
+\typedef Lib3dsMorphKey
+ \ingroup node
+ \sa _Lib3dsMorphKey
+
+*/
+/*!
+
+\typedef Lib3dsMorphTrack
+ \ingroup node
+ \sa _Lib3dsMorphTrack
+
+*/
+
+
projects / summerhack / blobdiff