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|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2016 Blender Foundation. All rights reserved. */
/** \file
* \ingroup editor/io
*/
#ifdef WITH_ALEMBIC
/* needed for directory lookup */
# ifndef WIN32
# include <dirent.h>
# else
# include "BLI_winstuff.h"
# endif
# include <errno.h>
# include <string.h>
# include "MEM_guardedalloc.h"
# include "DNA_modifier_types.h"
# include "DNA_object_types.h"
# include "DNA_scene_types.h"
# include "DNA_space_types.h"
# include "BKE_context.h"
# include "BKE_main.h"
# include "BKE_report.h"
# include "BLI_listbase.h"
# include "BLI_path_util.h"
# include "BLI_string.h"
# include "BLI_utildefines.h"
# include "BLT_translation.h"
# include "RNA_access.h"
# include "RNA_define.h"
# include "RNA_enum_types.h"
# include "ED_object.h"
# include "UI_interface.h"
# include "UI_resources.h"
# include "WM_api.h"
# include "WM_types.h"
# include "DEG_depsgraph.h"
# include "io_alembic.h"
# include "ABC_alembic.h"
const EnumPropertyItem rna_enum_abc_export_evaluation_mode_items[] = {
{DAG_EVAL_RENDER,
"RENDER",
0,
"Render",
"Use Render settings for object visibility, modifier settings, etc"},
{DAG_EVAL_VIEWPORT,
"VIEWPORT",
0,
"Viewport",
"Use Viewport settings for object visibility, modifier settings, etc"},
{0, NULL, 0, NULL, NULL},
};
static int wm_alembic_export_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
if (!RNA_struct_property_is_set(op->ptr, "as_background_job")) {
RNA_boolean_set(op->ptr, "as_background_job", true);
}
RNA_boolean_set(op->ptr, "init_scene_frame_range", true);
if (!RNA_struct_property_is_set_ex(op->ptr, "filepath", false)) {
Main *bmain = CTX_data_main(C);
char filepath[FILE_MAX];
if (BKE_main_blendfile_path(bmain)[0] == '\0') {
BLI_strncpy(filepath, DATA_("untitled"), sizeof(filepath));
}
else {
BLI_strncpy(filepath, BKE_main_blendfile_path(bmain), sizeof(filepath));
}
BLI_path_extension_replace(filepath, sizeof(filepath), ".abc");
RNA_string_set(op->ptr, "filepath", filepath);
}
WM_event_add_fileselect(C, op);
return OPERATOR_RUNNING_MODAL;
UNUSED_VARS(event);
}
static int wm_alembic_export_exec(bContext *C, wmOperator *op)
{
if (!RNA_struct_property_is_set_ex(op->ptr, "filepath", false)) {
BKE_report(op->reports, RPT_ERROR, "No filename given");
return OPERATOR_CANCELLED;
}
char filename[FILE_MAX];
RNA_string_get(op->ptr, "filepath", filename);
struct AlembicExportParams params = {
.frame_start = RNA_int_get(op->ptr, "start"),
.frame_end = RNA_int_get(op->ptr, "end"),
.frame_samples_xform = RNA_int_get(op->ptr, "xsamples"),
.frame_samples_shape = RNA_int_get(op->ptr, "gsamples"),
.shutter_open = RNA_float_get(op->ptr, "sh_open"),
.shutter_close = RNA_float_get(op->ptr, "sh_close"),
.selected_only = RNA_boolean_get(op->ptr, "selected"),
.uvs = RNA_boolean_get(op->ptr, "uvs"),
.normals = RNA_boolean_get(op->ptr, "normals"),
.vcolors = RNA_boolean_get(op->ptr, "vcolors"),
.orcos = RNA_boolean_get(op->ptr, "orcos"),
.apply_subdiv = RNA_boolean_get(op->ptr, "apply_subdiv"),
.curves_as_mesh = RNA_boolean_get(op->ptr, "curves_as_mesh"),
.flatten_hierarchy = RNA_boolean_get(op->ptr, "flatten"),
.visible_objects_only = RNA_boolean_get(op->ptr, "visible_objects_only"),
.face_sets = RNA_boolean_get(op->ptr, "face_sets"),
.use_subdiv_schema = RNA_boolean_get(op->ptr, "subdiv_schema"),
.export_hair = RNA_boolean_get(op->ptr, "export_hair"),
.export_particles = RNA_boolean_get(op->ptr, "export_particles"),
.export_custom_properties = RNA_boolean_get(op->ptr, "export_custom_properties"),
.use_instancing = RNA_boolean_get(op->ptr, "use_instancing"),
.packuv = RNA_boolean_get(op->ptr, "packuv"),
.triangulate = RNA_boolean_get(op->ptr, "triangulate"),
.quad_method = RNA_enum_get(op->ptr, "quad_method"),
.ngon_method = RNA_enum_get(op->ptr, "ngon_method"),
.evaluation_mode = RNA_enum_get(op->ptr, "evaluation_mode"),
.global_scale = RNA_float_get(op->ptr, "global_scale"),
};
/* Take some defaults from the scene, if not specified explicitly. */
Scene *scene = CTX_data_scene(C);
if (params.frame_start == INT_MIN) {
params.frame_start = scene->r.sfra;
}
if (params.frame_end == INT_MIN) {
params.frame_end = scene->r.efra;
}
const bool as_background_job = RNA_boolean_get(op->ptr, "as_background_job");
bool ok = ABC_export(scene, C, filename, ¶ms, as_background_job);
return as_background_job || ok ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
static void ui_alembic_export_settings(uiLayout *layout, PointerRNA *imfptr)
{
uiLayout *box, *row, *col, *sub;
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
box = uiLayoutBox(layout);
uiItemL(box, IFACE_("Manual Transform"), ICON_NONE);
uiItemR(box, imfptr, "global_scale", 0, NULL, ICON_NONE);
/* Scene Options */
box = uiLayoutBox(layout);
row = uiLayoutRow(box, false);
uiItemL(row, IFACE_("Scene Options"), ICON_SCENE_DATA);
col = uiLayoutColumn(box, false);
sub = uiLayoutColumn(col, true);
uiItemR(sub, imfptr, "start", 0, IFACE_("Frame Start"), ICON_NONE);
uiItemR(sub, imfptr, "end", 0, IFACE_("End"), ICON_NONE);
uiItemR(col, imfptr, "xsamples", 0, IFACE_("Samples Transform"), ICON_NONE);
uiItemR(col, imfptr, "gsamples", 0, IFACE_("Geometry"), ICON_NONE);
sub = uiLayoutColumn(col, true);
uiItemR(sub, imfptr, "sh_open", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
uiItemR(sub, imfptr, "sh_close", UI_ITEM_R_SLIDER, IFACE_("Close"), ICON_NONE);
uiItemS(col);
uiItemR(col, imfptr, "flatten", 0, NULL, ICON_NONE);
uiItemR(sub, imfptr, "use_instancing", 0, IFACE_("Use Instancing"), ICON_NONE);
uiItemR(sub, imfptr, "export_custom_properties", 0, IFACE_("Custom Properties"), ICON_NONE);
sub = uiLayoutColumnWithHeading(col, true, IFACE_("Only"));
uiItemR(sub, imfptr, "selected", 0, IFACE_("Selected Objects"), ICON_NONE);
uiItemR(sub, imfptr, "visible_objects_only", 0, IFACE_("Visible Objects"), ICON_NONE);
col = uiLayoutColumn(box, true);
uiItemR(col, imfptr, "evaluation_mode", 0, NULL, ICON_NONE);
/* Object Data */
box = uiLayoutBox(layout);
row = uiLayoutRow(box, false);
uiItemL(row, IFACE_("Object Options"), ICON_OBJECT_DATA);
col = uiLayoutColumn(box, false);
uiItemR(col, imfptr, "uvs", 0, NULL, ICON_NONE);
row = uiLayoutRow(col, false);
uiLayoutSetActive(row, RNA_boolean_get(imfptr, "uvs"));
uiItemR(row, imfptr, "packuv", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "normals", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "vcolors", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "orcos", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "face_sets", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "curves_as_mesh", 0, NULL, ICON_NONE);
uiItemS(col);
sub = uiLayoutColumnWithHeading(col, true, IFACE_("Subdivisions"));
uiItemR(sub, imfptr, "apply_subdiv", 0, IFACE_("Apply"), ICON_NONE);
uiItemR(sub, imfptr, "subdiv_schema", 0, IFACE_("Use Schema"), ICON_NONE);
uiItemS(col);
col = uiLayoutColumn(box, false);
uiItemR(col, imfptr, "triangulate", 0, NULL, ICON_NONE);
sub = uiLayoutColumn(col, false);
uiLayoutSetActive(sub, RNA_boolean_get(imfptr, "triangulate"));
uiItemR(sub, imfptr, "quad_method", 0, IFACE_("Method Quads"), ICON_NONE);
uiItemR(sub, imfptr, "ngon_method", 0, IFACE_("Polygons"), ICON_NONE);
/* Particle Data */
box = uiLayoutBox(layout);
row = uiLayoutRow(box, false);
uiItemL(row, IFACE_("Particle Systems"), ICON_PARTICLE_DATA);
col = uiLayoutColumn(box, true);
uiItemR(col, imfptr, "export_hair", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "export_particles", 0, NULL, ICON_NONE);
}
static void wm_alembic_export_draw(bContext *C, wmOperator *op)
{
/* Conveniently set start and end frame to match the scene's frame range. */
Scene *scene = CTX_data_scene(C);
if (scene != NULL && RNA_boolean_get(op->ptr, "init_scene_frame_range")) {
RNA_int_set(op->ptr, "start", scene->r.sfra);
RNA_int_set(op->ptr, "end", scene->r.efra);
RNA_boolean_set(op->ptr, "init_scene_frame_range", false);
}
ui_alembic_export_settings(op->layout, op->ptr);
}
static bool wm_alembic_export_check(bContext *UNUSED(C), wmOperator *op)
{
char filepath[FILE_MAX];
RNA_string_get(op->ptr, "filepath", filepath);
if (!BLI_path_extension_check(filepath, ".abc")) {
BLI_path_extension_ensure(filepath, FILE_MAX, ".abc");
RNA_string_set(op->ptr, "filepath", filepath);
return true;
}
return false;
}
void WM_OT_alembic_export(wmOperatorType *ot)
{
ot->name = "Export Alembic";
ot->description = "Export current scene in an Alembic archive";
ot->idname = "WM_OT_alembic_export";
ot->invoke = wm_alembic_export_invoke;
ot->exec = wm_alembic_export_exec;
ot->poll = WM_operator_winactive;
ot->ui = wm_alembic_export_draw;
ot->check = wm_alembic_export_check;
ot->flag = OPTYPE_PRESET;
WM_operator_properties_filesel(ot,
FILE_TYPE_FOLDER | FILE_TYPE_ALEMBIC,
FILE_BLENDER,
FILE_SAVE,
WM_FILESEL_FILEPATH | WM_FILESEL_SHOW_PROPS,
FILE_DEFAULTDISPLAY,
FILE_SORT_DEFAULT);
RNA_def_int(ot->srna,
"start",
INT_MIN,
INT_MIN,
INT_MAX,
"Start Frame",
"Start frame of the export, use the default value to "
"take the start frame of the current scene",
INT_MIN,
INT_MAX);
RNA_def_int(ot->srna,
"end",
INT_MIN,
INT_MIN,
INT_MAX,
"End Frame",
"End frame of the export, use the default value to "
"take the end frame of the current scene",
INT_MIN,
INT_MAX);
RNA_def_int(ot->srna,
"xsamples",
1,
1,
128,
"Transform Samples",
"Number of times per frame transformations are sampled",
1,
128);
RNA_def_int(ot->srna,
"gsamples",
1,
1,
128,
"Geometry Samples",
"Number of times per frame object data are sampled",
1,
128);
RNA_def_float(ot->srna,
"sh_open",
0.0f,
-1.0f,
1.0f,
"Shutter Open",
"Time at which the shutter is open",
-1.0f,
1.0f);
RNA_def_float(ot->srna,
"sh_close",
1.0f,
-1.0f,
1.0f,
"Shutter Close",
"Time at which the shutter is closed",
-1.0f,
1.0f);
RNA_def_boolean(
ot->srna, "selected", 0, "Selected Objects Only", "Export only selected objects");
RNA_def_boolean(ot->srna,
"visible_objects_only",
0,
"Visible Objects Only",
"Export only objects that are visible");
RNA_def_boolean(ot->srna,
"flatten",
0,
"Flatten Hierarchy",
"Do not preserve objects' parent/children relationship");
RNA_def_boolean(ot->srna, "uvs", 1, "UVs", "Export UVs");
RNA_def_boolean(ot->srna, "packuv", 1, "Pack UV Islands", "Export UVs with packed island");
RNA_def_boolean(ot->srna, "normals", 1, "Normals", "Export normals");
RNA_def_boolean(ot->srna, "vcolors", 0, "Color Attributes", "Export color attributes");
RNA_def_boolean(ot->srna,
"orcos",
true,
"Generated Coordinates",
"Export undeformed mesh vertex coordinates");
RNA_def_boolean(
ot->srna, "face_sets", 0, "Face Sets", "Export per face shading group assignments");
RNA_def_boolean(ot->srna,
"subdiv_schema",
0,
"Use Subdivision Schema",
"Export meshes using Alembic's subdivision schema");
RNA_def_boolean(ot->srna,
"apply_subdiv",
0,
"Apply Subdivision Surface",
"Export subdivision surfaces as meshes");
RNA_def_boolean(ot->srna,
"curves_as_mesh",
false,
"Curves as Mesh",
"Export curves and NURBS surfaces as meshes");
RNA_def_boolean(ot->srna,
"use_instancing",
true,
"Use Instancing",
"Export data of duplicated objects as Alembic instances; speeds up the export "
"and can be disabled for compatibility with other software");
RNA_def_float(
ot->srna,
"global_scale",
1.0f,
0.0001f,
1000.0f,
"Scale",
"Value by which to enlarge or shrink the objects with respect to the world's origin",
0.0001f,
1000.0f);
RNA_def_boolean(ot->srna,
"triangulate",
false,
"Triangulate",
"Export polygons (quads and n-gons) as triangles");
RNA_def_enum(ot->srna,
"quad_method",
rna_enum_modifier_triangulate_quad_method_items,
MOD_TRIANGULATE_QUAD_SHORTEDGE,
"Quad Method",
"Method for splitting the quads into triangles");
RNA_def_enum(ot->srna,
"ngon_method",
rna_enum_modifier_triangulate_ngon_method_items,
MOD_TRIANGULATE_NGON_BEAUTY,
"N-gon Method",
"Method for splitting the n-gons into triangles");
RNA_def_boolean(ot->srna,
"export_hair",
1,
"Export Hair",
"Exports hair particle systems as animated curves");
RNA_def_boolean(
ot->srna, "export_particles", 1, "Export Particles", "Exports non-hair particle systems");
RNA_def_boolean(ot->srna,
"export_custom_properties",
true,
"Export Custom Properties",
"Export custom properties to Alembic .userProperties");
RNA_def_boolean(
ot->srna,
"as_background_job",
false,
"Run as Background Job",
"Enable this to run the import in the background, disable to block Blender while importing. "
"This option is deprecated; EXECUTE this operator to run in the foreground, and INVOKE it "
"to run as a background job");
RNA_def_enum(ot->srna,
"evaluation_mode",
rna_enum_abc_export_evaluation_mode_items,
DAG_EVAL_RENDER,
"Use Settings for",
"Determines visibility of objects, modifier settings, and other areas where there "
"are different settings for viewport and rendering");
/* This dummy prop is used to check whether we need to init the start and
* end frame values to that of the scene's, otherwise they are reset at
* every change, draw update. */
RNA_def_boolean(ot->srna, "init_scene_frame_range", true, "", "");
}
/* ************************************************************************** */
/* TODO(kevin): check on de-duplicating all this with code in image_ops.c */
typedef struct CacheFrame {
struct CacheFrame *next, *prev;
int framenr;
} CacheFrame;
static int cmp_frame(const void *a, const void *b)
{
const CacheFrame *frame_a = a;
const CacheFrame *frame_b = b;
if (frame_a->framenr < frame_b->framenr) {
return -1;
}
if (frame_a->framenr > frame_b->framenr) {
return 1;
}
return 0;
}
static int get_sequence_len(char *filename, int *ofs)
{
int frame;
int numdigit;
if (!BLI_path_frame_get(filename, &frame, &numdigit)) {
return 1;
}
char path[FILE_MAX];
BLI_path_abs(filename, BKE_main_blendfile_path_from_global());
BLI_split_dir_part(filename, path, FILE_MAX);
if (path[0] == '\0') {
/* The filename had no path, so just use the blend file path. */
BLI_split_dir_part(BKE_main_blendfile_path_from_global(), path, FILE_MAX);
}
DIR *dir = opendir(path);
if (dir == NULL) {
fprintf(stderr,
"Error opening directory '%s': %s\n",
path,
errno ? strerror(errno) : "unknown error");
return -1;
}
const char *ext = ".abc";
const char *basename = BLI_path_basename(filename);
const int len = strlen(basename) - (numdigit + strlen(ext));
ListBase frames;
BLI_listbase_clear(&frames);
struct dirent *fname;
while ((fname = readdir(dir)) != NULL) {
/* do we have the right extension? */
if (!strstr(fname->d_name, ext)) {
continue;
}
if (!STREQLEN(basename, fname->d_name, len)) {
continue;
}
CacheFrame *cache_frame = MEM_callocN(sizeof(CacheFrame), "abc_frame");
BLI_path_frame_get(fname->d_name, &cache_frame->framenr, &numdigit);
BLI_addtail(&frames, cache_frame);
}
closedir(dir);
BLI_listbase_sort(&frames, cmp_frame);
CacheFrame *cache_frame = frames.first;
if (cache_frame) {
int frame_curr = cache_frame->framenr;
(*ofs) = frame_curr;
while (cache_frame && (cache_frame->framenr == frame_curr)) {
frame_curr++;
cache_frame = cache_frame->next;
}
BLI_freelistN(&frames);
return frame_curr - (*ofs);
}
return 1;
}
/* ************************************************************************** */
static void ui_alembic_import_settings(uiLayout *layout, PointerRNA *imfptr)
{
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
uiLayout *box = uiLayoutBox(layout);
uiLayout *row = uiLayoutRow(box, false);
uiItemL(row, IFACE_("Manual Transform"), ICON_NONE);
uiItemR(box, imfptr, "scale", 0, NULL, ICON_NONE);
box = uiLayoutBox(layout);
row = uiLayoutRow(box, false);
uiItemL(row, IFACE_("Options"), ICON_NONE);
uiLayout *col = uiLayoutColumn(box, false);
uiItemR(col, imfptr, "relative_path", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "set_frame_range", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "is_sequence", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "validate_meshes", 0, NULL, ICON_NONE);
uiItemR(col, imfptr, "always_add_cache_reader", 0, NULL, ICON_NONE);
}
static void wm_alembic_import_draw(bContext *UNUSED(C), wmOperator *op)
{
ui_alembic_import_settings(op->layout, op->ptr);
}
/* op->invoke, opens fileselect if path property not set, otherwise executes */
static int wm_alembic_import_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
if (!RNA_struct_property_is_set(op->ptr, "as_background_job")) {
RNA_boolean_set(op->ptr, "as_background_job", true);
}
return WM_operator_filesel(C, op, event);
}
static int wm_alembic_import_exec(bContext *C, wmOperator *op)
{
if (!RNA_struct_property_is_set_ex(op->ptr, "filepath", false)) {
BKE_report(op->reports, RPT_ERROR, "No filename given");
return OPERATOR_CANCELLED;
}
char filename[FILE_MAX];
RNA_string_get(op->ptr, "filepath", filename);
const float scale = RNA_float_get(op->ptr, "scale");
const bool is_sequence = RNA_boolean_get(op->ptr, "is_sequence");
const bool set_frame_range = RNA_boolean_get(op->ptr, "set_frame_range");
const bool validate_meshes = RNA_boolean_get(op->ptr, "validate_meshes");
const bool always_add_cache_reader = RNA_boolean_get(op->ptr, "always_add_cache_reader");
const bool as_background_job = RNA_boolean_get(op->ptr, "as_background_job");
int offset = 0;
int sequence_len = 1;
if (is_sequence) {
sequence_len = get_sequence_len(filename, &offset);
if (sequence_len < 0) {
BKE_report(op->reports, RPT_ERROR, "Unable to determine ABC sequence length");
return OPERATOR_CANCELLED;
}
}
/* Switch out of edit mode to avoid being stuck in it (T54326). */
Object *obedit = CTX_data_edit_object(C);
if (obedit) {
ED_object_mode_set(C, OB_MODE_OBJECT);
}
struct AlembicImportParams params = {0};
params.global_scale = scale;
params.sequence_len = sequence_len;
params.sequence_offset = offset;
params.is_sequence = is_sequence;
params.set_frame_range = set_frame_range;
params.validate_meshes = validate_meshes;
params.always_add_cache_reader = always_add_cache_reader;
bool ok = ABC_import(C, filename, ¶ms, as_background_job);
return as_background_job || ok ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
void WM_OT_alembic_import(wmOperatorType *ot)
{
ot->name = "Import Alembic";
ot->description = "Load an Alembic archive";
ot->idname = "WM_OT_alembic_import";
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
ot->invoke = wm_alembic_import_invoke;
ot->exec = wm_alembic_import_exec;
ot->poll = WM_operator_winactive;
ot->ui = wm_alembic_import_draw;
WM_operator_properties_filesel(ot,
FILE_TYPE_FOLDER | FILE_TYPE_ALEMBIC,
FILE_BLENDER,
FILE_OPENFILE,
WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH | WM_FILESEL_SHOW_PROPS,
FILE_DEFAULTDISPLAY,
FILE_SORT_DEFAULT);
RNA_def_float(
ot->srna,
"scale",
1.0f,
0.0001f,
1000.0f,
"Scale",
"Value by which to enlarge or shrink the objects with respect to the world's origin",
0.0001f,
1000.0f);
RNA_def_boolean(
ot->srna,
"set_frame_range",
true,
"Set Frame Range",
"If checked, update scene's start and end frame to match those of the Alembic archive");
RNA_def_boolean(ot->srna,
"validate_meshes",
0,
"Validate Meshes",
"Check imported mesh objects for invalid data (slow)");
RNA_def_boolean(ot->srna,
"always_add_cache_reader",
false,
"Always Add Cache Reader",
"Add cache modifiers and constraints to imported objects even if they are not "
"animated so that they can be updated when reloading the Alembic archive");
RNA_def_boolean(ot->srna,
"is_sequence",
false,
"Is Sequence",
"Set to true if the cache is split into separate files");
RNA_def_boolean(
ot->srna,
"as_background_job",
false,
"Run as Background Job",
"Enable this to run the export in the background, disable to block Blender while exporting. "
"This option is deprecated; EXECUTE this operator to run in the foreground, and INVOKE it "
"to run as a background job");
}
#endif
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