diff options
Diffstat (limited to '3rdparty/lib3ds/file.c')
| -rw-r--r-- | 3rdparty/lib3ds/file.c | 2029 |
1 files changed, 0 insertions, 2029 deletions
diff --git a/3rdparty/lib3ds/file.c b/3rdparty/lib3ds/file.c deleted file mode 100644 index 01fc4bd4..00000000 --- a/3rdparty/lib3ds/file.c +++ /dev/null @@ -1,2029 +0,0 @@ -/* - * The 3D Studio File Format Library - * Copyright (C) 1996-2007 by Jan Eric Kyprianidis <www.kyprianidis.com> - * 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: file.c,v 1.34 2007/06/20 17:04:08 jeh Exp $ - */ -#include <lib3ds/file.h> -#include <lib3ds/chunk.h> -#include <lib3ds/io.h> -#include <lib3ds/material.h> -#include <lib3ds/mesh.h> -#include <lib3ds/camera.h> -#include <lib3ds/light.h> -#include <lib3ds/node.h> -#include <lib3ds/matrix.h> -#include <lib3ds/vector.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include <float.h> - - -/*! - * \defgroup file Files - */ - - -static Lib3dsBool -fileio_error_func(void *self) -{ - FILE *f = (FILE*)self; - return(ferror(f)!=0); -} - - -static long -fileio_seek_func(void *self, long offset, Lib3dsIoSeek origin) -{ - FILE *f = (FILE*)self; - int o; - switch (origin) { - case LIB3DS_SEEK_SET: - o = SEEK_SET; - break; - case LIB3DS_SEEK_CUR: - o = SEEK_CUR; - break; - case LIB3DS_SEEK_END: - o = SEEK_END; - break; - default: - ASSERT(0); - return(0); - } - return (fseek(f, offset, o)); -} - - -static long -fileio_tell_func(void *self) -{ - FILE *f = (FILE*)self; - return(ftell(f)); -} - - -static size_t -fileio_read_func(void *self, void *buffer, size_t size) -{ - FILE *f = (FILE*)self; - return(fread(buffer, 1, size, f)); -} - - -static size_t -fileio_write_func(void *self, const void *buffer, size_t size) -{ - FILE *f = (FILE*)self; - return(fwrite(buffer, 1, size, f)); -} - - -/*! - * Loads a .3DS file from disk into memory. - * - * \param filename The filename of the .3DS file - * - * \return A pointer to the Lib3dsFile structure containing the - * data of the .3DS file. - * If the .3DS file can not be loaded NULL is returned. - * - * \note To free the returned structure use lib3ds_free. - * - * \see lib3ds_file_save - * \see lib3ds_file_new - * \see lib3ds_file_free - * - * \ingroup file - */ -Lib3dsFile* -lib3ds_file_load(const char *filename) -{ - FILE *f; - Lib3dsFile *file; - Lib3dsIo *io; - - f = fopen(filename, "rb"); - if (!f) { - return(0); - } - file = lib3ds_file_new(); - if (!file) { - fclose(f); - return(0); - } - - io = lib3ds_io_new( - f, - fileio_error_func, - fileio_seek_func, - fileio_tell_func, - fileio_read_func, - fileio_write_func - ); - if (!io) { - lib3ds_file_free(file); - fclose(f); - return(0); - } - - if (!lib3ds_file_read(file, io)) { - free(file); - lib3ds_io_free(io); - fclose(f); - return(0); - } - - lib3ds_io_free(io); - fclose(f); - return(file); -} - - -/*! - * Saves a .3DS file from memory to disk. - * - * \param file A pointer to a Lib3dsFile structure containing the - * the data that should be stored. - * \param filename The filename of the .3DS file to store the data in. - * - * \return TRUE on success, FALSE otherwise. - * - * \see lib3ds_file_load - * - * \ingroup file - */ -Lib3dsBool -lib3ds_file_save(Lib3dsFile *file, const char *filename) -{ - FILE *f; - Lib3dsIo *io; - Lib3dsBool result; - - f = fopen(filename, "wb"); - if (!f) { - return(LIB3DS_FALSE); - } - io = lib3ds_io_new( - f, - fileio_error_func, - fileio_seek_func, - fileio_tell_func, - fileio_read_func, - fileio_write_func - ); - if (!io) { - fclose(f); - return LIB3DS_FALSE; - } - - result = lib3ds_file_write(file, io); - - fclose(f); - - lib3ds_io_free(io); - return(result); -} - - -/*! - * Creates and returns a new, empty Lib3dsFile object. - * - * \return A pointer to the Lib3dsFile structure. - * If the structure cannot be allocated, NULL is returned. - * - * \ingroup file - */ -Lib3dsFile* -lib3ds_file_new() -{ - Lib3dsFile *file; - - file=(Lib3dsFile*)calloc(sizeof(Lib3dsFile),1); - if (!file) { - return(0); - } - file->mesh_version=3; - file->master_scale=1.0f; - file->keyf_revision=5; - strcpy(file->name, "LIB3DS"); - - file->frames=100; - file->segment_from=0; - file->segment_to=100; - file->current_frame=0; - - return(file); -} - - -/*! - * Free a Lib3dsFile object and all of its resources. - * - * \param file The Lib3dsFile object to be freed. - * - * \ingroup file - */ -void -lib3ds_file_free(Lib3dsFile* file) -{ - ASSERT(file); - lib3ds_viewport_set_views(&file->viewport,0); - lib3ds_viewport_set_views(&file->viewport_keyf,0); - { - Lib3dsMaterial *p,*q; - - for (p=file->materials; p; p=q) { - q=p->next; - lib3ds_material_free(p); - } - file->materials=0; - } - { - Lib3dsCamera *p,*q; - - for (p=file->cameras; p; p=q) { - q=p->next; - lib3ds_camera_free(p); - } - file->cameras=0; - } - { - Lib3dsLight *p,*q; - - for (p=file->lights; p; p=q) { - q=p->next; - lib3ds_light_free(p); - } - file->lights=0; - } - { - Lib3dsMesh *p,*q; - - for (p=file->meshes; p; p=q) { - q=p->next; - lib3ds_mesh_free(p); - } - file->meshes=0; - } - { - Lib3dsNode *p,*q; - - for (p=file->nodes; p; p=q) { - q=p->next; - lib3ds_node_free(p); - } - } - free(file); -} - - -/*! - * Evaluate all of the nodes in this Lib3dsFile object. - * - * \param file The Lib3dsFile object to be evaluated. - * \param t time value, between 0. and file->frames - * - * \see lib3ds_node_eval - * - * \ingroup file - */ -void -lib3ds_file_eval(Lib3dsFile *file, Lib3dsFloat t) -{ - Lib3dsNode *p; - - for (p=file->nodes; p!=0; p=p->next) { - lib3ds_node_eval(p, t); - } -} - - -static Lib3dsBool -named_object_read(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - char name[64]; - Lib3dsWord chunk; - Lib3dsMesh *mesh = NULL; - Lib3dsCamera *camera = NULL; - Lib3dsLight *light = NULL; - Lib3dsDword object_flags; - - if (!lib3ds_chunk_read_start(&c, LIB3DS_NAMED_OBJECT, io)) { - return(LIB3DS_FALSE); - } - if (!lib3ds_io_read_string(io, name, 64)) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_dump_info(" NAME=%s", name); - lib3ds_chunk_read_tell(&c, io); - - object_flags = 0; - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_N_TRI_OBJECT: - { - mesh=lib3ds_mesh_new(name); - if (!mesh) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_mesh_read(mesh, io)) { - return(LIB3DS_FALSE); - } - lib3ds_file_insert_mesh(file, mesh); - } - break; - - case LIB3DS_N_CAMERA: - { - camera=lib3ds_camera_new(name); - if (!camera) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_camera_read(camera, io)) { - return(LIB3DS_FALSE); - } - lib3ds_file_insert_camera(file, camera); - } - break; - - case LIB3DS_N_DIRECT_LIGHT: - { - light=lib3ds_light_new(name); - if (!light) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_light_read(light, io)) { - return(LIB3DS_FALSE); - } - lib3ds_file_insert_light(file, light); - } - break; - - case LIB3DS_OBJ_HIDDEN: - object_flags |= LIB3DS_OBJECT_HIDDEN; - break; - - case LIB3DS_OBJ_DOESNT_CAST: - object_flags |= LIB3DS_OBJECT_DOESNT_CAST; - break; - - case LIB3DS_OBJ_VIS_LOFTER: - object_flags |= LIB3DS_OBJECT_VIS_LOFTER; - break; - - case LIB3DS_OBJ_MATTE: - object_flags |= LIB3DS_OBJECT_MATTE; - break; - - case LIB3DS_OBJ_DONT_RCVSHADOW: - object_flags |= LIB3DS_OBJECT_DONT_RCVSHADOW; - break; - - case LIB3DS_OBJ_FAST: - object_flags |= LIB3DS_OBJECT_FAST; - break; - - case LIB3DS_OBJ_FROZEN: - object_flags |= LIB3DS_OBJECT_FROZEN; - break; - - default: - lib3ds_chunk_unknown(chunk); - } - } - - if (mesh) - mesh->object_flags = object_flags; - if (camera) - camera->object_flags = object_flags; - if (light) - light->object_flags = object_flags; - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -static Lib3dsBool -ambient_read(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - Lib3dsWord chunk; - Lib3dsBool have_lin=LIB3DS_FALSE; - - if (!lib3ds_chunk_read_start(&c, LIB3DS_AMBIENT_LIGHT, io)) { - return(LIB3DS_FALSE); - } - - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_LIN_COLOR_F: - { - int i; - for (i=0; i<3; ++i) { - file->ambient[i]=lib3ds_io_read_float(io); - } - } - have_lin=LIB3DS_TRUE; - break; - case LIB3DS_COLOR_F: - { - /* gamma corrected color chunk - replaced in 3ds R3 by LIN_COLOR_24 */ - if (!have_lin) { - int i; - for (i=0; i<3; ++i) { - file->ambient[i]=lib3ds_io_read_float(io); - } - } - } - break; - default: - lib3ds_chunk_unknown(chunk); - } - } - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -static Lib3dsBool -mdata_read(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - Lib3dsWord chunk; - - if (!lib3ds_chunk_read_start(&c, LIB3DS_MDATA, io)) { - return(LIB3DS_FALSE); - } - - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_MESH_VERSION: - { - file->mesh_version=lib3ds_io_read_intd(io); - } - break; - case LIB3DS_MASTER_SCALE: - { - file->master_scale=lib3ds_io_read_float(io); - } - break; - case LIB3DS_SHADOW_MAP_SIZE: - case LIB3DS_LO_SHADOW_BIAS: - case LIB3DS_HI_SHADOW_BIAS: - case LIB3DS_SHADOW_SAMPLES: - case LIB3DS_SHADOW_RANGE: - case LIB3DS_SHADOW_FILTER: - case LIB3DS_RAY_BIAS: - { - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_shadow_read(&file->shadow, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_VIEWPORT_LAYOUT: - case LIB3DS_DEFAULT_VIEW: - { - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_viewport_read(&file->viewport, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_O_CONSTS: - { - int i; - for (i=0; i<3; ++i) { - file->construction_plane[i]=lib3ds_io_read_float(io); - } - } - break; - case LIB3DS_AMBIENT_LIGHT: - { - lib3ds_chunk_read_reset(&c, io); - if (!ambient_read(file, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_BIT_MAP: - case LIB3DS_SOLID_BGND: - case LIB3DS_V_GRADIENT: - case LIB3DS_USE_BIT_MAP: - case LIB3DS_USE_SOLID_BGND: - case LIB3DS_USE_V_GRADIENT: - { - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_background_read(&file->background, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_FOG: - case LIB3DS_LAYER_FOG: - case LIB3DS_DISTANCE_CUE: - case LIB3DS_USE_FOG: - case LIB3DS_USE_LAYER_FOG: - case LIB3DS_USE_DISTANCE_CUE: - { - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_atmosphere_read(&file->atmosphere, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_MAT_ENTRY: - { - Lib3dsMaterial *material; - - material=lib3ds_material_new(); - if (!material) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_read_reset(&c, io); - if (!lib3ds_material_read(material, io)) { - return(LIB3DS_FALSE); - } - lib3ds_file_insert_material(file, material); - } - break; - case LIB3DS_NAMED_OBJECT: - { - lib3ds_chunk_read_reset(&c, io); - if (!named_object_read(file, io)) { - return(LIB3DS_FALSE); - } - } - break; - default: - lib3ds_chunk_unknown(chunk); - } - } - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -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); -} - - -/*! - * Read 3ds file data into a Lib3dsFile object. - * - * \param file The Lib3dsFile object to be filled. - * \param io A Lib3dsIo object previously set up by the caller. - * - * \return LIB3DS_TRUE on success, LIB3DS_FALSE on failure. - * - * \ingroup file - */ -Lib3dsBool -lib3ds_file_read(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - Lib3dsWord chunk; - - if (!lib3ds_chunk_read_start(&c, 0, io)) { - return(LIB3DS_FALSE); - } - switch (c.chunk) { - case LIB3DS_MDATA: - { - lib3ds_chunk_read_reset(&c, io); - if (!mdata_read(file, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_M3DMAGIC: - case LIB3DS_MLIBMAGIC: - case LIB3DS_CMAGIC: - { - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_M3D_VERSION: - { - file->mesh_version=lib3ds_io_read_dword(io); - } - break; - case LIB3DS_MDATA: - { - lib3ds_chunk_read_reset(&c, io); - if (!mdata_read(file, io)) { - return(LIB3DS_FALSE); - } - } - break; - case LIB3DS_KFDATA: - { - lib3ds_chunk_read_reset(&c, io); - if (!kfdata_read(file, io)) { - return(LIB3DS_FALSE); - } - } - break; - default: - lib3ds_chunk_unknown(chunk); - } - } - } - break; - default: - lib3ds_chunk_unknown(c.chunk); - return(LIB3DS_FALSE); - } - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -static Lib3dsBool -colorf_write(Lib3dsRgba rgb, Lib3dsIo *io) -{ - Lib3dsChunk c; - - c.chunk=LIB3DS_COLOR_F; - c.size=18; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_rgb(io, rgb); - - c.chunk=LIB3DS_LIN_COLOR_F; - c.size=18; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_rgb(io, rgb); - return(LIB3DS_TRUE); -} - - -static Lib3dsBool -object_flags_write(Lib3dsDword flags, Lib3dsIo *io) -{ - if (flags){ - if (flags & LIB3DS_OBJECT_HIDDEN) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_HIDDEN, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_VIS_LOFTER) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_VIS_LOFTER, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_DOESNT_CAST) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_DOESNT_CAST, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_MATTE) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_MATTE, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_DONT_RCVSHADOW) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_DOESNT_CAST, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_FAST) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_FAST, io)) - return LIB3DS_FALSE; - } - if (flags & LIB3DS_OBJECT_FROZEN) { - if (!lib3ds_chunk_write_switch(LIB3DS_OBJ_FROZEN, io)) - return LIB3DS_FALSE; - } - } - return LIB3DS_TRUE; -} - - -static Lib3dsBool -mdata_write(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - - c.chunk=LIB3DS_MDATA; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - - { /*---- LIB3DS_MESH_VERSION ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_MESH_VERSION; - c.size=10; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_intd(io, file->mesh_version); - } - { /*---- LIB3DS_MASTER_SCALE ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_MASTER_SCALE; - c.size=10; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_float(io, file->master_scale); - } - { /*---- LIB3DS_O_CONSTS ----*/ - int i; - for (i=0; i<3; ++i) { - if (fabs(file->construction_plane[i])>LIB3DS_EPSILON) { - break; - } - } - if (i<3) { - Lib3dsChunk c; - c.chunk=LIB3DS_O_CONSTS; - c.size=18; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_vector(io, file->construction_plane); - } - } - - { /*---- LIB3DS_AMBIENT_LIGHT ----*/ - int i; - for (i=0; i<3; ++i) { - if (fabs(file->ambient[i])>LIB3DS_EPSILON) { - break; - } - } - if (i<3) { - Lib3dsChunk c; - c.chunk=LIB3DS_AMBIENT_LIGHT; - c.size=42; - lib3ds_chunk_write(&c,io); - colorf_write(file->ambient,io); - } - } - lib3ds_background_write(&file->background, io); - lib3ds_atmosphere_write(&file->atmosphere, io); - lib3ds_shadow_write(&file->shadow, io); - lib3ds_viewport_write(&file->viewport, io); - { - Lib3dsMaterial *p; - for (p=file->materials; p!=0; p=p->next) { - if (!lib3ds_material_write(p,io)) { - return(LIB3DS_FALSE); - } - } - } - { - Lib3dsCamera *p; - Lib3dsChunk c; - - for (p=file->cameras; p!=0; p=p->next) { - c.chunk=LIB3DS_NAMED_OBJECT; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - lib3ds_io_write_string(io, p->name); - lib3ds_camera_write(p,io); - object_flags_write(p->object_flags,io); - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - } - } - { - Lib3dsLight *p; - Lib3dsChunk c; - - for (p=file->lights; p!=0; p=p->next) { - c.chunk=LIB3DS_NAMED_OBJECT; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - lib3ds_io_write_string(io,p->name); - lib3ds_light_write(p,io); - object_flags_write(p->object_flags,io); - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - } - } - { - Lib3dsMesh *p; - Lib3dsChunk c; - - for (p=file->meshes; p!=0; p=p->next) { - c.chunk=LIB3DS_NAMED_OBJECT; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - lib3ds_io_write_string(io, p->name); - lib3ds_mesh_write(p,io); - object_flags_write(p->object_flags,io); - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - } - } - - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - - -static Lib3dsBool -nodes_write(Lib3dsNode *node, Lib3dsFile *file, Lib3dsIo *io) -{ - { - Lib3dsNode *p; - for (p=node->childs; p!=0; p=p->next) { - if (!lib3ds_node_write(p, file, io)) { - return(LIB3DS_FALSE); - } - nodes_write(p, file, io); - } - } - return(LIB3DS_TRUE); -} - - -static Lib3dsBool -kfdata_write(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - - if (!file->nodes) { - return(LIB3DS_TRUE); - } - - c.chunk=LIB3DS_KFDATA; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - - { /*---- LIB3DS_KFHDR ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_KFHDR; - c.size=6 + 2 + (Lib3dsDword)strlen(file->name)+1 +4; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_intw(io, file->keyf_revision); - lib3ds_io_write_string(io, file->name); - lib3ds_io_write_intd(io, file->frames); - } - { /*---- LIB3DS_KFSEG ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_KFSEG; - c.size=14; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_intd(io, file->segment_from); - lib3ds_io_write_intd(io, file->segment_to); - } - { /*---- LIB3DS_KFCURTIME ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_KFCURTIME; - c.size=10; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_intd(io, file->current_frame); - } - lib3ds_viewport_write(&file->viewport_keyf, io); - - { - Lib3dsNode *p; - for (p=file->nodes; p!=0; p=p->next) { - if (!lib3ds_node_write(p, file, io)) { - return(LIB3DS_FALSE); - } - if (!nodes_write(p, file, io)) { - return(LIB3DS_FALSE); - } - } - } - - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - -/*! - * Write 3ds file data from a Lib3dsFile object to a file. - * - * \param file The Lib3dsFile object to be written. - * \param io A Lib3dsIo object previously set up by the caller. - * - * \return LIB3DS_TRUE on success, LIB3DS_FALSE on failure. - * - * \ingroup file - */ -Lib3dsBool -lib3ds_file_write(Lib3dsFile *file, Lib3dsIo *io) -{ - Lib3dsChunk c; - - c.chunk=LIB3DS_M3DMAGIC; - if (!lib3ds_chunk_write_start(&c,io)) { - LIB3DS_ERROR_LOG; - return(LIB3DS_FALSE); - } - - { /*---- LIB3DS_M3D_VERSION ----*/ - Lib3dsChunk c; - - c.chunk=LIB3DS_M3D_VERSION; - c.size=10; - lib3ds_chunk_write(&c,io); - lib3ds_io_write_dword(io, file->mesh_version); - } - - if (!mdata_write(file, io)) { - return(LIB3DS_FALSE); - } - if (!kfdata_write(file, io)) { - return(LIB3DS_FALSE); - } - - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - -/*! - * Insert a new Lib3dsMaterial object into the materials list of - * a Lib3dsFile object. - * - * The new Lib3dsMaterial object is inserted into the materials list - * in alphabetic order by name. - * - * \param file The Lib3dsFile object to be modified. - * \param material The Lib3dsMaterial object to be inserted into file->materials - * - * \ingroup file - */ -void -lib3ds_file_insert_material(Lib3dsFile *file, Lib3dsMaterial *material) -{ - Lib3dsMaterial *p,*q; - - ASSERT(file); - ASSERT(material); - ASSERT(!material->next); - - q=0; - for (p=file->materials; p!=0; p=p->next) { - if (strcmp(material->name, p->name)<0) { - break; - } - q=p; - } - if (!q) { - material->next=file->materials; - file->materials=material; - } - else { - material->next=q->next; - q->next=material; - } -} - - -/*! - * Remove a Lib3dsMaterial object from the materials list of - * a Lib3dsFile object. - * - * If the Lib3dsMaterial is not found in the materials list, nothing is - * done (except that an error log message may be generated.) - * - * \param file The Lib3dsFile object to be modified. - * \param material The Lib3dsMaterial object to be removed from file->materials - * - * \ingroup file - */ -void -lib3ds_file_remove_material(Lib3dsFile *file, Lib3dsMaterial *material) -{ - Lib3dsMaterial *p,*q; - - ASSERT(file); - ASSERT(material); - ASSERT(file->materials); - for (p=0,q=file->materials; q; p=q,q=q->next) { - if (q==material) { - break; - } - } - if (!q) { - ASSERT(LIB3DS_FALSE); - return; - } - if (!p) { - file->materials=material->next; - } - else { - p->next=q->next; - } - material->next=0; -} - - -/*! - * Return a Lib3dsMaterial object by name. - * - * \param file Lib3dsFile object to be searched. - * \param name Name of the Lib3dsMaterial object to be searched for. - * - * \return A pointer to the named Lib3dsMaterial, or NULL if not found. - * - * \ingroup file - */ -Lib3dsMaterial* -lib3ds_file_material_by_name(Lib3dsFile *file, const char *name) -{ - Lib3dsMaterial *p; - - ASSERT(file); - for (p=file->materials; p!=0; p=p->next) { - if (strcmp(p->name,name)==0) { - return(p); - } - } - return(0); -} - - -/*! - * Dump all Lib3dsMaterial objects found in a Lib3dsFile object. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_material_dump - * - * \ingroup file - */ -void -lib3ds_file_dump_materials(Lib3dsFile *file) -{ - Lib3dsMaterial *p; - - ASSERT(file); - for (p=file->materials; p!=0; p=p->next) { - lib3ds_material_dump(p); - } -} - - -/*! - * Insert a new Lib3dsMesh object into the meshes list of - * a Lib3dsFile object. - * - * The new Lib3dsMesh object is inserted into the meshes list - * in alphabetic order by name. - * - * \param file The Lib3dsFile object to be modified. - * \param mesh The Lib3dsMesh object to be inserted into file->meshes - * - * \ingroup file - */ -void -lib3ds_file_insert_mesh(Lib3dsFile *file, Lib3dsMesh *mesh) -{ - Lib3dsMesh *p,*q; - - ASSERT(file); - ASSERT(mesh); - ASSERT(!mesh->next); - - q=0; - for (p=file->meshes; p!=0; p=p->next) { - if (strcmp(mesh->name, p->name)<0) { - break; - } - q=p; - } - if (!q) { - mesh->next=file->meshes; - file->meshes=mesh; - } - else { - mesh->next=q->next; - q->next=mesh; - } -} - - -/*! - * Remove a Lib3dsMesh object from the meshes list of - * a Lib3dsFile object. - * - * If the Lib3dsMesh is not found in the meshes list, nothing is done - * (except that an error log message may be generated.) - * - * \param file The Lib3dsFile object to be modified. - * \param mesh The Lib3dsMesh object to be removed from file->meshes - * - * \ingroup file - */ -void -lib3ds_file_remove_mesh(Lib3dsFile *file, Lib3dsMesh *mesh) -{ - Lib3dsMesh *p,*q; - - ASSERT(file); - ASSERT(mesh); - ASSERT(file->meshes); - for (p=0,q=file->meshes; q; p=q,q=q->next) { - if (q==mesh) { - break; - } - } - if (!q) { - ASSERT(LIB3DS_FALSE); - return; - } - if (!p) { - file->meshes=mesh->next; - } - else { - p->next=q->next; - } - mesh->next=0; -} - - -/*! - * Return a Lib3dsMesh object from a Lib3dsFile by name. - * - * \param file Lib3dsFile object to be searched. - * \param name Name of the Lib3dsMesh object to be searched for. - * - * \return A pointer to the named Lib3dsMesh, or NULL if not found. - * - * \ingroup file - */ -Lib3dsMesh* -lib3ds_file_mesh_by_name(Lib3dsFile *file, const char *name) -{ - Lib3dsMesh *p; - - ASSERT(file); - for (p=file->meshes; p!=0; p=p->next) { - if (strcmp(p->name,name)==0) { - return(p); - } - } - return(0); -} - - -/*! - * Dump all Lib3dsMesh objects found in a Lib3dsFile object. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_mesh_dump - * - * \ingroup file - */ -void -lib3ds_file_dump_meshes(Lib3dsFile *file) -{ - Lib3dsMesh *p; - - ASSERT(file); - for (p=file->meshes; p!=0; p=p->next) { - lib3ds_mesh_dump(p); - } -} - - -static void -dump_instances(Lib3dsNode *node, const char* parent) -{ - Lib3dsNode *p; - char name[255]; - - ASSERT(node); - ASSERT(parent); - strcpy(name, parent); - strcat(name, "."); - strcat(name, node->name); - if (node->type==LIB3DS_OBJECT_NODE) { - printf(" %s : %s\n", name, node->data.object.instance); - } - for (p=node->childs; p!=0; p=p->next) { - dump_instances(p, parent); - } -} - - -/*! - * Dump all Lib3dsNode object names found in a Lib3dsFile object. - * - * For each node of type OBJECT_NODE, its name and data.object.instance - * fields are printed to stdout. Consider using lib3ds_file_dump_nodes() - * instead, as that function dumps more information. - * - * Nodes are dumped recursively. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_file_dump_nodes - * - * \ingroup file - */ -void -lib3ds_file_dump_instances(Lib3dsFile *file) -{ - Lib3dsNode *p; - - ASSERT(file); - for (p=file->nodes; p!=0; p=p->next) { - dump_instances(p,""); - } -} - - -/*! - * Insert a new Lib3dsCamera object into the cameras list of - * a Lib3dsFile object. - * - * The new Lib3dsCamera object is inserted into the cameras list - * in alphabetic order by name. - * - * \param file The Lib3dsFile object to be modified. - * \param camera The Lib3dsCamera object to be inserted into file->cameras - * - * \ingroup file - */ -void -lib3ds_file_insert_camera(Lib3dsFile *file, Lib3dsCamera *camera) -{ - Lib3dsCamera *p,*q; - - ASSERT(file); - ASSERT(camera); - ASSERT(!camera->next); - - q=0; - for (p=file->cameras; p!=0; p=p->next) { - if (strcmp(camera->name, p->name)<0) { - break; - } - q=p; - } - if (!q) { - camera->next=file->cameras; - file->cameras=camera; - } - else { - camera->next=q->next; - q->next=camera; - } -} - - -/*! - * Remove a Lib3dsCamera object from the cameras list of - * a Lib3dsFile object. - * - * If the Lib3dsCamera is not found in the cameras list, nothing is done - * (except that an error log message may be generated.) - * - * \param file The Lib3dsFile object to be modified. - * \param camera The Lib3dsCamera object to be removed from file->cameras - * - * \ingroup file - */ -void -lib3ds_file_remove_camera(Lib3dsFile *file, Lib3dsCamera *camera) -{ - Lib3dsCamera *p,*q; - - ASSERT(file); - ASSERT(camera); - ASSERT(file->cameras); - for (p=0,q=file->cameras; q; p=q,q=q->next) { - if (q==camera) { - break; - } - } - if (!q) { - ASSERT(LIB3DS_FALSE); - return; - } - if (!p) { - file->cameras=camera->next; - } - else { - p->next=q->next; - } - camera->next=0; -} - - -/*! - * Return a Lib3dsCamera object from a Lib3dsFile by name. - * - * \param file Lib3dsFile object to be searched. - * \param name Name of the Lib3dsCamera object to be searched for. - * - * \return A pointer to the named Lib3dsCamera, or NULL if not found. - * - * \ingroup file - */ -Lib3dsCamera* -lib3ds_file_camera_by_name(Lib3dsFile *file, const char *name) -{ - Lib3dsCamera *p; - - ASSERT(file); - for (p=file->cameras; p!=0; p=p->next) { - if (strcmp(p->name,name)==0) { - return(p); - } - } - return(0); -} - - -/*! - * Dump all Lib3dsCamera objects found in a Lib3dsFile object. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_camera_dump - * - * \ingroup file - */ -void -lib3ds_file_dump_cameras(Lib3dsFile *file) -{ - Lib3dsCamera *p; - - ASSERT(file); - for (p=file->cameras; p!=0; p=p->next) { - lib3ds_camera_dump(p); - } -} - - -/*! - * Insert a new Lib3dsLight object into the lights list of - * a Lib3dsFile object. - * - * The new Lib3dsLight object is inserted into the lights list - * in alphabetic order by name. - * - * \param file The Lib3dsFile object to be modified. - * \param light The Lib3dsLight object to be inserted into file->lights - * - * \ingroup file - */ -void -lib3ds_file_insert_light(Lib3dsFile *file, Lib3dsLight *light) -{ - Lib3dsLight *p,*q; - - ASSERT(file); - ASSERT(light); - ASSERT(!light->next); - - q=0; - for (p=file->lights; p!=0; p=p->next) { - if (strcmp(light->name, p->name)<0) { - break; - } - q=p; - } - if (!q) { - light->next=file->lights; - file->lights=light; - } - else { - light->next=q->next; - q->next=light; - } -} - - -/*! - * Remove a Lib3dsLight object from the lights list of - * a Lib3dsFile object. - * - * If the Lib3dsLight is not found in the lights list, nothing is done - * (except that an error log message may be generated.) - * - * \param file The Lib3dsFile object to be modified. - * \param light The Lib3dsLight object to be removed from file->lights - * - * \ingroup file - */ -void -lib3ds_file_remove_light(Lib3dsFile *file, Lib3dsLight *light) -{ - Lib3dsLight *p,*q; - - ASSERT(file); - ASSERT(light); - ASSERT(file->lights); - for (p=0,q=file->lights; q; p=q,q=q->next) { - if (q==light) { - break; - } - } - if (!q) { - ASSERT(LIB3DS_FALSE); - return; - } - if (!p) { - file->lights=light->next; - } - else { - p->next=q->next; - } - light->next=0; -} - - -/*! - * Return a Lib3dsLight object from a Lib3dsFile by name. - * - * \param file Lib3dsFile object to be searched. - * \param name Name of the Lib3dsLight object to be searched for. - * - * \return A pointer to the named Lib3dsLight, or NULL if not found. - * - * \ingroup file - */ -Lib3dsLight* -lib3ds_file_light_by_name(Lib3dsFile *file, const char *name) -{ - Lib3dsLight *p; - - ASSERT(file); - for (p=file->lights; p!=0; p=p->next) { - if (strcmp(p->name,name)==0) { - return(p); - } - } - return(0); -} - - -/*! - * Dump all Lib3dsLight objects found in a Lib3dsFile object. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_light_dump - * - * \ingroup file - */ -void -lib3ds_file_dump_lights(Lib3dsFile *file) -{ - Lib3dsLight *p; - - ASSERT(file); - for (p=file->lights; p!=0; p=p->next) { - lib3ds_light_dump(p); - } -} - - -/*! - * 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 file The Lib3dsFile to be searched. - * \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. - * - * \see lib3ds_node_by_name - * - * \ingroup file - */ -Lib3dsNode* -lib3ds_file_node_by_name(Lib3dsFile *file, const char* name, Lib3dsNodeTypes type) -{ - Lib3dsNode *p,*q; - - ASSERT(file); - for (p=file->nodes; 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 file The Lib3dsFile to be searched. - * \param node_id The target node id. - * - * \return A pointer to the first matching node, or NULL if not found. - * - * \see lib3ds_node_by_id - * - * \ingroup file - */ -Lib3dsNode* -lib3ds_file_node_by_id(Lib3dsFile *file, Lib3dsWord node_id) -{ - Lib3dsNode *p,*q; - - ASSERT(file); - for (p=file->nodes; 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); -} - - -/*! - * Insert a new node into a Lib3dsFile object. - * - * If the node's parent_id structure is not LIB3DS_NO_PARENT and the - * specified parent is found inside the Lib3dsFile object, then the - * node is inserted as a child of that parent. If the parent_id - * structure is LIB3DS_NO_PARENT or the specified parent is not found, - * then the node is inserted at the top level. - * - * Node is inserted in alphabetic order by name. - * - * Finally, if any other top-level nodes in file specify this node as - * their parent, they are relocated as a child of this node. - * - * \param file The Lib3dsFile object to be modified. - * \param node The node to be inserted into file - * - * \ingroup file - */ -void -lib3ds_file_insert_node(Lib3dsFile *file, Lib3dsNode *node) -{ - Lib3dsNode *parent,*p,*n; - - ASSERT(node); - ASSERT(!node->next); - ASSERT(!node->parent); - - parent=0; - if (node->parent_id!=LIB3DS_NO_PARENT) { - parent=lib3ds_file_node_by_id(file, node->parent_id); - } - node->parent=parent; - - if (!parent) { - for (p=0,n=file->nodes; n!=0; p=n,n=n->next) { - if (strcmp(n->name, node->name)>0) { - break; - } - } - if (!p) { - node->next=file->nodes; - file->nodes=node; - } - else { - node->next=p->next; - p->next=node; - } - } - else { - for (p=0,n=parent->childs; n!=0; p=n,n=n->next) { - if (strcmp(n->name, node->name)>0) { - break; - } - } - if (!p) { - node->next=parent->childs; - parent->childs=node; - } - else { - node->next=p->next; - p->next=node; - } - } - - if (node->node_id!=LIB3DS_NO_PARENT) { - for (n=file->nodes; n!=0; n=p) { - p=n->next; - if (n->parent_id==node->node_id) { - lib3ds_file_remove_node(file, n); - lib3ds_file_insert_node(file, n); - } - } - } -} - - -/*! - * Remove a node from the a Lib3dsFile object. - * - * \param file The Lib3dsFile object to be modified. - * \param node The Lib3dsNode object to be removed from file - * - * \return LIB3DS_TRUE on success, LIB3DS_FALSE if node is not found in file - * - * \ingroup file - */ -Lib3dsBool -lib3ds_file_remove_node(Lib3dsFile *file, Lib3dsNode *node) -{ - Lib3dsNode *p,*n; - - if (node->parent) { - for (p=0,n=node->parent->childs; n; p=n,n=n->next) { - if (n==node) { - break; - } - } - if (!n) { - return(LIB3DS_FALSE); - } - - if (!p) { - node->parent->childs=n->next; - } - else { - p->next=n->next; - } - } - else { - for (p=0,n=file->nodes; n; p=n,n=n->next) { - if (n==node) { - break; - } - } - if (!n) { - return(LIB3DS_FALSE); - } - - if (!p) { - file->nodes=n->next; - } - else { - p->next=n->next; - } - } - return(LIB3DS_TRUE); -} - - -/*! - * This function computes the bounding box of meshes, cameras and lights - * defined in the 3D editor. - * - * \param file The Lib3dsFile object to be examined. - * \param include_meshes Include meshes in bounding box calculation. - * \param include_cameras Include cameras in bounding box calculation. - * \param include_lights Include lights in bounding box calculation. - * \param bmin Returned minimum x,y,z values. - * \param bmax Returned maximum x,y,z values. - * - * \ingroup file - */ -void -lib3ds_file_bounding_box_of_objects(Lib3dsFile *file, Lib3dsBool include_meshes, - Lib3dsBool include_cameras, Lib3dsBool include_lights, - Lib3dsVector bmin, Lib3dsVector bmax) -{ - bmin[0] = bmin[1] = bmin[2] = FLT_MAX; - bmax[0] = bmax[1] = bmax[2] = FLT_MIN; - - if (include_meshes) { - Lib3dsVector lmin, lmax; - Lib3dsMesh *p=file->meshes; - while (p) { - lib3ds_mesh_bounding_box(p, lmin, lmax); - lib3ds_vector_min(bmin, lmin); - lib3ds_vector_max(bmax, lmax); - p=p->next; - } - } - if (include_cameras) { - Lib3dsCamera *p=file->cameras; - while (p) { - lib3ds_vector_min(bmin, p->position); - lib3ds_vector_max(bmax, p->position); - lib3ds_vector_min(bmin, p->target); - lib3ds_vector_max(bmax, p->target); - p=p->next; - } - } - if (include_lights) { - Lib3dsLight *p=file->lights; - while (p) { - lib3ds_vector_min(bmin, p->position); - lib3ds_vector_max(bmax, p->position); - if (p->spot_light) { - lib3ds_vector_min(bmin, p->spot); - lib3ds_vector_max(bmax, p->spot); - } - p=p->next; - } - } -} - - -static void -file_bounding_box_of_nodes_impl(Lib3dsNode *node, Lib3dsFile *file, Lib3dsBool include_meshes, - Lib3dsBool include_cameras, Lib3dsBool include_lights, - Lib3dsVector bmin, Lib3dsVector bmax) -{ - switch (node->type) - { - case LIB3DS_OBJECT_NODE: - if (include_meshes) { - Lib3dsMesh *mesh; - - mesh = lib3ds_file_mesh_by_name(file, node->data.object.instance); - if (!mesh) - mesh = lib3ds_file_mesh_by_name(file, node->name); - if (mesh) { - Lib3dsMatrix inv_matrix, M; - Lib3dsVector v; - unsigned i; - - lib3ds_matrix_copy(inv_matrix, mesh->matrix); - lib3ds_matrix_inv(inv_matrix); - lib3ds_matrix_copy(M, node->matrix); - lib3ds_matrix_translate_xyz(M, -node->data.object.pivot[0], -node->data.object.pivot[1], -node->data.object.pivot[2]); - lib3ds_matrix_mult(M, inv_matrix); - - for (i=0; i<mesh->points; ++i) { - lib3ds_vector_transform(v, M, mesh->pointL[i].pos); - lib3ds_vector_min(bmin, v); - lib3ds_vector_max(bmax, v); - } - } - } - break; - /* - case LIB3DS_CAMERA_NODE: - case LIB3DS_TARGET_NODE: - if (include_cameras) { - Lib3dsVector z,v; - lib3ds_vector_zero(z); - lib3ds_vector_transform(v, node->matrix, z); - lib3ds_vector_min(bmin, v); - lib3ds_vector_max(bmax, v); - } - break; - - case LIB3DS_LIGHT_NODE: - case LIB3DS_SPOT_NODE: - if (include_lights) { - Lib3dsVector z,v; - lib3ds_vector_zero(z); - lib3ds_vector_transform(v, node->matrix, z); - lib3ds_vector_min(bmin, v); - lib3ds_vector_max(bmax, v); - } - break; - */ - default: break; - } - { - Lib3dsNode *p=node->childs; - while (p) { - file_bounding_box_of_nodes_impl(p, file, include_meshes, include_cameras, include_lights, bmin, bmax); - p=p->next; - } - } -} - - -/*! - * This function computes the bounding box of mesh, camera and light instances - * defined in the Keyframer. - * - * \param file The Lib3dsFile object to be examined. - * \param include_meshes Include meshes in bounding box calculation. - * \param include_cameras Include cameras in bounding box calculation. - * \param include_lights Include lights in bounding box calculation. - * \param bmin Returned minimum x,y,z values. - * \param bmax Returned maximum x,y,z values. - * - * \ingroup file - */ -void -lib3ds_file_bounding_box_of_nodes(Lib3dsFile *file, Lib3dsBool include_meshes, - Lib3dsBool include_cameras, Lib3dsBool include_lights, - Lib3dsVector bmin, Lib3dsVector bmax) -{ - Lib3dsNode *p; - - bmin[0] = bmin[1] = bmin[2] = FLT_MAX; - bmax[0] = bmax[1] = bmax[2] = FLT_MIN; - p=file->nodes; - while (p) { - file_bounding_box_of_nodes_impl(p, file, include_meshes, include_cameras, include_lights, bmin, bmax); - p=p->next; - } -} - - -/*! - * Dump all node objects found in a Lib3dsFile object. - * - * Nodes are dumped recursively. - * - * \param file Lib3dsFile object to be dumped. - * - * \see lib3ds_node_dump - * - * \ingroup file - */ -void -lib3ds_file_dump_nodes(Lib3dsFile *file) -{ - Lib3dsNode *p; - - ASSERT(file); - for (p=file->nodes; p!=0; p=p->next) { - lib3ds_node_dump(p,1); - } -} - |