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7934ebd4e42f4d8702fd4e864ea87eacf0dbefdb
test/source/blender/editors/object/object_bake_simulation.cc
Jacques Lucke 7934ebd4e4 Fix: baking simulation only bakes a single frame 
When using the bake button in a simulation zone, it currently only bakes a single frame.
Still baking only works in the Bake node.

Pull Request: https://projects.blender.org/blender/blender/pulls/120138
2024-04-01 17:59:29 +02:00

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/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include <fstream>
#include <iomanip>
#include <random>
#include "BLI_fileops.hh"
#include "BLI_path_util.h"
#include "BLI_serialize.hh"
#include "BLI_string.h"
#include "BLI_vector.hh"
#include "BLT_translation.hh"
#include "WM_api.hh"
#include "WM_types.hh"
#include "ED_object.hh"
#include "ED_screen.hh"
#include "DNA_array_utils.hh"
#include "DNA_modifier_types.h"
#include "DNA_windowmanager_types.h"
#include "BKE_bake_geometry_nodes_modifier.hh"
#include "BKE_context.hh"
#include "BKE_global.hh"
#include "BKE_lib_id.hh"
#include "BKE_main.hh"
#include "BKE_modifier.hh"
#include "BKE_node_runtime.hh"
#include "BKE_report.hh"
#include "BKE_scene.hh"
#include "RNA_access.hh"
#include "RNA_define.hh"
#include "DEG_depsgraph.hh"
#include "MOD_nodes.hh"
#include "object_intern.hh"
#include "WM_api.hh"
#include "UI_interface.hh"
namespace bake = blender::bke::bake;
namespace blender::ed::object::bake_simulation {
static bool simulate_to_frame_poll(bContext *C)
{
if (!ED_operator_object_active(C)) {
return false;
}
return true;
}
struct SimulateToFrameJob {
wmWindowManager *wm;
Main *bmain;
Depsgraph *depsgraph;
Scene *scene;
Vector<Object *> objects;
int start_frame;
int end_frame;
};
static void simulate_to_frame_startjob(void *customdata, wmJobWorkerStatus *worker_status)
{
SimulateToFrameJob &job = *static_cast<SimulateToFrameJob *>(customdata);
G.is_rendering = true;
G.is_break = false;
WM_set_locked_interface(job.wm, true);
Vector<Object *> objects_to_calc;
for (Object *object : job.objects) {
if (!BKE_id_is_editable(job.bmain, &object->id)) {
continue;
}
LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
if (md->type != eModifierType_Nodes) {
continue;
}
NodesModifierData *nmd = reinterpret_cast<NodesModifierData *>(md);
if (!nmd->runtime->cache) {
continue;
}
for (auto item : nmd->runtime->cache->simulation_cache_by_id.items()) {
if (item.value->cache_status != bake::CacheStatus::Baked) {
item.value->reset();
}
}
}
objects_to_calc.append(object);
}
worker_status->progress = 0.0f;
worker_status->do_update = true;
const float frame_step_size = 1.0f;
const float progress_per_frame = 1.0f /
(float(job.end_frame - job.start_frame + 1) / frame_step_size);
const int old_frame = job.scene->r.cfra;
for (float frame_f = job.start_frame; frame_f <= job.end_frame; frame_f += frame_step_size) {
const SubFrame frame{frame_f};
if (G.is_break || worker_status->stop) {
break;
}
job.scene->r.cfra = frame.frame();
job.scene->r.subframe = frame.subframe();
BKE_scene_graph_update_for_newframe(job.depsgraph);
worker_status->progress += progress_per_frame;
worker_status->do_update = true;
}
job.scene->r.cfra = old_frame;
DEG_time_tag_update(job.bmain);
worker_status->progress = 1.0f;
worker_status->do_update = true;
}
static void simulate_to_frame_endjob(void *customdata)
{
SimulateToFrameJob &job = *static_cast<SimulateToFrameJob *>(customdata);
WM_set_locked_interface(job.wm, false);
G.is_rendering = false;
WM_main_add_notifier(NC_OBJECT | ND_MODIFIER, nullptr);
}
static int simulate_to_frame_invoke(bContext *C, wmOperator *op, const wmEvent * /*event*/)
{
wmWindowManager *wm = CTX_wm_manager(C);
Scene *scene = CTX_data_scene(C);
Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
Main *bmain = CTX_data_main(C);
SimulateToFrameJob *job = MEM_new<SimulateToFrameJob>(__func__);
job->wm = wm;
job->bmain = bmain;
job->depsgraph = depsgraph;
job->scene = scene;
job->start_frame = scene->r.sfra;
job->end_frame = scene->r.cfra;
if (RNA_boolean_get(op->ptr, "selected")) {
CTX_DATA_BEGIN (C, Object *, object, selected_objects) {
job->objects.append(object);
}
CTX_DATA_END;
}
else {
if (Object *object = CTX_data_active_object(C)) {
job->objects.append(object);
}
}
wmJob *wm_job = WM_jobs_get(wm,
CTX_wm_window(C),
CTX_data_scene(C),
"Calculate Simulation",
WM_JOB_PROGRESS,
WM_JOB_TYPE_CALCULATE_SIMULATION_NODES);
WM_jobs_customdata_set(
wm_job, job, [](void *job) { MEM_delete(static_cast<SimulateToFrameJob *>(job)); });
WM_jobs_timer(wm_job, 0.1, NC_OBJECT | ND_MODIFIER, NC_OBJECT | ND_MODIFIER);
WM_jobs_callbacks(
wm_job, simulate_to_frame_startjob, nullptr, nullptr, simulate_to_frame_endjob);
WM_jobs_start(CTX_wm_manager(C), wm_job);
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static int simulate_to_frame_modal(bContext *C, wmOperator * /*op*/, const wmEvent * /*event*/)
{
if (!WM_jobs_test(CTX_wm_manager(C), CTX_data_scene(C), WM_JOB_TYPE_CALCULATE_SIMULATION_NODES))
{
return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
}
return OPERATOR_PASS_THROUGH;
}
static bool bake_simulation_poll(bContext *C)
{
if (!ED_operator_object_active(C)) {
return false;
}
Main *bmain = CTX_data_main(C);
const StringRefNull path = BKE_main_blendfile_path(bmain);
if (path.is_empty()) {
CTX_wm_operator_poll_msg_set(C, "File must be saved before baking");
return false;
}
Object *ob = context_active_object(C);
const bool use_frame_cache = ob->flag & OB_FLAG_USE_SIMULATION_CACHE;
if (!use_frame_cache) {
CTX_wm_operator_poll_msg_set(C, "Cache has to be enabled");
return false;
}
return true;
}
struct NodeBakeRequest {
Object *object;
NodesModifierData *nmd;
int bake_id;
int node_type;
bake::BakePath path;
int frame_start;
int frame_end;
std::unique_ptr<bake::BlobWriteSharing> blob_sharing;
};
struct BakeGeometryNodesJob {
wmWindowManager *wm;
Main *bmain;
Depsgraph *depsgraph;
Scene *scene;
Vector<NodeBakeRequest> bake_requests;
};
static void request_bakes_in_modifier_cache(BakeGeometryNodesJob &job)
{
for (NodeBakeRequest &request : job.bake_requests) {
request.nmd->runtime->cache->requested_bakes.add(request.bake_id);
/* Using #DEG_id_tag_update would tag this as user-modified which is not the case here and has
* the issue that it invalidates simulation caches. */
DEG_id_tag_update_for_side_effect_request(
job.depsgraph, &request.object->id, ID_RECALC_GEOMETRY);
}
}
static void clear_requested_bakes_in_modifier_cache(BakeGeometryNodesJob &job)
{
for (NodeBakeRequest &request : job.bake_requests) {
request.nmd->runtime->cache->requested_bakes.clear();
}
}
static void bake_geometry_nodes_startjob(void *customdata, wmJobWorkerStatus *worker_status)
{
BakeGeometryNodesJob &job = *static_cast<BakeGeometryNodesJob *>(customdata);
G.is_rendering = true;
G.is_break = false;
WM_set_locked_interface(job.wm, true);
int global_bake_start_frame = INT32_MAX;
int global_bake_end_frame = INT32_MIN;
for (NodeBakeRequest &request : job.bake_requests) {
global_bake_start_frame = std::min(global_bake_start_frame, request.frame_start);
global_bake_end_frame = std::max(global_bake_end_frame, request.frame_end);
}
worker_status->progress = 0.0f;
worker_status->do_update = true;
const int frames_to_bake = global_bake_end_frame - global_bake_start_frame + 1;
const float frame_step_size = 1.0f;
const float progress_per_frame = frame_step_size / frames_to_bake;
const int old_frame = job.scene->r.cfra;
for (float frame_f = global_bake_start_frame; frame_f <= global_bake_end_frame;
frame_f += frame_step_size)
{
const SubFrame frame{frame_f};
if (G.is_break || worker_status->stop) {
break;
}
job.scene->r.cfra = frame.frame();
job.scene->r.subframe = frame.subframe();
request_bakes_in_modifier_cache(job);
BKE_scene_graph_update_for_newframe(job.depsgraph);
clear_requested_bakes_in_modifier_cache(job);
const std::string frame_file_name = bake::frame_to_file_name(frame);
for (NodeBakeRequest &request : job.bake_requests) {
NodesModifierData &nmd = *request.nmd;
bake::ModifierCache &modifier_cache = *nmd.runtime->cache;
const bake::NodeBakeCache *bake_cache = modifier_cache.get_node_bake_cache(request.bake_id);
if (bake_cache == nullptr) {
continue;
}
if (bake_cache->frames.is_empty()) {
continue;
}
const bake::FrameCache &frame_cache = *bake_cache->frames.last();
if (frame_cache.frame != frame) {
continue;
}
const bake::BakePath path = request.path;
char meta_path[FILE_MAX];
BLI_path_join(meta_path,
sizeof(meta_path),
path.meta_dir.c_str(),
(frame_file_name + ".json").c_str());
BLI_file_ensure_parent_dir_exists(meta_path);
bake::DiskBlobWriter blob_writer{path.blobs_dir, frame_file_name};
fstream meta_file{meta_path, std::ios::out};
bake::serialize_bake(frame_cache.state, blob_writer, *request.blob_sharing, meta_file);
}
worker_status->progress += progress_per_frame;
worker_status->do_update = true;
}
/* Tag simulations as being baked. */
for (NodeBakeRequest &request : job.bake_requests) {
if (request.node_type != GEO_NODE_SIMULATION_OUTPUT) {
continue;
}
NodesModifierData &nmd = *request.nmd;
if (bake::SimulationNodeCache *node_cache = nmd.runtime->cache->get_simulation_node_cache(
request.bake_id))
{
if (!node_cache->bake.frames.is_empty()) {
/* Tag the caches as being baked so that they are not changed anymore. */
node_cache->cache_status = bake::CacheStatus::Baked;
}
}
DEG_id_tag_update(&request.object->id, ID_RECALC_GEOMETRY);
}
job.scene->r.cfra = old_frame;
DEG_time_tag_update(job.bmain);
worker_status->progress = 1.0f;
worker_status->do_update = true;
}
static void bake_geometry_nodes_endjob(void *customdata)
{
BakeGeometryNodesJob &job = *static_cast<BakeGeometryNodesJob *>(customdata);
WM_set_locked_interface(job.wm, false);
G.is_rendering = false;
WM_main_add_notifier(NC_OBJECT | ND_MODIFIER, nullptr);
WM_main_add_notifier(NC_NODE | ND_DISPLAY, nullptr);
WM_main_add_notifier(NC_SPACE | ND_SPACE_VIEW3D | NS_VIEW3D_SHADING, nullptr);
}
static void reset_old_bake(NodeBakeRequest &request)
{
switch (request.node_type) {
case GEO_NODE_SIMULATION_OUTPUT: {
if (bake::SimulationNodeCache *node_cache =
request.nmd->runtime->cache->get_simulation_node_cache(request.bake_id))
{
node_cache->reset();
}
break;
}
case GEO_NODE_BAKE: {
if (bake::BakeNodeCache *node_cache = request.nmd->runtime->cache->get_bake_node_cache(
request.bake_id))
{
node_cache->reset();
}
break;
}
}
}
enum class BakeRequestsMode {
/**
* Bake all requests before returning from the function.
*/
Sync,
/**
* Start a parallel job and return before the baking is done.
*/
Async
};
static int start_bake_job(bContext *C,
Vector<NodeBakeRequest> requests,
wmOperator *op,
const BakeRequestsMode mode)
{
for (NodeBakeRequest &request : requests) {
reset_old_bake(request);
}
BakeGeometryNodesJob *job = MEM_new<BakeGeometryNodesJob>(__func__);
job->wm = CTX_wm_manager(C);
job->bmain = CTX_data_main(C);
job->depsgraph = CTX_data_depsgraph_pointer(C);
job->scene = CTX_data_scene(C);
job->bake_requests = std::move(requests);
if (mode == BakeRequestsMode::Sync) {
wmJobWorkerStatus worker_status{};
bake_geometry_nodes_startjob(job, &worker_status);
bake_geometry_nodes_endjob(job);
MEM_delete(job);
return OPERATOR_FINISHED;
}
wmJob *wm_job = WM_jobs_get(job->wm,
CTX_wm_window(C),
job->scene,
"Bake Nodes",
WM_JOB_PROGRESS,
WM_JOB_TYPE_BAKE_GEOMETRY_NODES);
WM_jobs_customdata_set(
wm_job, job, [](void *job) { MEM_delete(static_cast<BakeGeometryNodesJob *>(job)); });
WM_jobs_timer(wm_job, 0.1, NC_OBJECT | ND_MODIFIER, NC_OBJECT | ND_MODIFIER);
WM_jobs_callbacks(
wm_job, bake_geometry_nodes_startjob, nullptr, nullptr, bake_geometry_nodes_endjob);
WM_jobs_start(CTX_wm_manager(C), wm_job);
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static Vector<NodeBakeRequest> collect_simulations_to_bake(Main &bmain,
Scene &scene,
const Span<Object *> objects)
{
Vector<NodeBakeRequest> requests;
for (Object *object : objects) {
if (!BKE_id_is_editable(&bmain, &object->id)) {
continue;
}
LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
if (md->type != eModifierType_Nodes) {
continue;
}
if (!BKE_modifier_is_enabled(&scene, md, eModifierMode_Realtime)) {
continue;
}
NodesModifierData *nmd = reinterpret_cast<NodesModifierData *>(md);
if (!nmd->node_group) {
continue;
}
if (!nmd->runtime->cache) {
continue;
}
for (const bNestedNodeRef &nested_node_ref : nmd->node_group->nested_node_refs_span()) {
const int id = nested_node_ref.id;
const bNode *node = nmd->node_group->find_nested_node(id);
if (node->type != GEO_NODE_SIMULATION_OUTPUT) {
continue;
}
NodeBakeRequest request;
request.object = object;
request.nmd = nmd;
request.bake_id = id;
request.node_type = node->type;
request.blob_sharing = std::make_unique<bake::BlobWriteSharing>();
std::optional<bake::BakePath> path = bake::get_node_bake_path(bmain, *object, *nmd, id);
if (!path) {
continue;
}
std::optional<IndexRange> frame_range = bake::get_node_bake_frame_range(
scene, *object, *nmd, id);
if (!frame_range) {
continue;
}
request.path = std::move(*path);
request.frame_start = frame_range->first();
request.frame_end = frame_range->last();
requests.append(std::move(request));
}
}
}
return requests;
}
static Vector<NodeBakeRequest> bake_simulation_gather_requests(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
Main *bmain = CTX_data_main(C);
Vector<Object *> objects;
if (RNA_boolean_get(op->ptr, "selected")) {
CTX_DATA_BEGIN (C, Object *, object, selected_objects) {
objects.append(object);
}
CTX_DATA_END;
}
else {
if (Object *object = CTX_data_active_object(C)) {
objects.append(object);
}
}
return collect_simulations_to_bake(*bmain, *scene, objects);
}
static int bake_simulation_exec(bContext *C, wmOperator *op)
{
Vector<NodeBakeRequest> requests = bake_simulation_gather_requests(C, op);
return start_bake_job(C, std::move(requests), op, BakeRequestsMode::Sync);
}
struct PathStringHash {
uint64_t operator()(const StringRef s) const
{
/* Normalize the paths so we can compare them. */
DynamicStackBuffer<256> norm_buf(s.size() + 1, 8);
memcpy(norm_buf.buffer(), s.data(), s.size() + 1);
char *norm = static_cast<char *>(norm_buf.buffer());
BLI_path_slash_native(norm);
/* Strip ending slash. */
BLI_path_slash_rstrip(norm);
BLI_path_normalize(norm);
return get_default_hash(norm);
}
};
struct PathStringEquality {
bool operator()(const StringRef a, const StringRef b) const
{
return BLI_path_cmp_normalized(a.data(), b.data()) == 0;
}
};
static bool bake_directory_has_data(const StringRefNull absolute_bake_dir)
{
char meta_dir[FILE_MAX];
BLI_path_join(meta_dir, sizeof(meta_dir), absolute_bake_dir.c_str(), "meta");
char blobs_dir[FILE_MAX];
BLI_path_join(blobs_dir, sizeof(blobs_dir), absolute_bake_dir.c_str(), "blobs");
if (!BLI_is_dir(meta_dir) || !BLI_is_dir(blobs_dir)) {
return false;
}
return true;
}
static void bake_simulation_validate_paths(bContext *C,
wmOperator *op,
const Span<Object *> objects)
{
Main *bmain = CTX_data_main(C);
for (Object *object : objects) {
if (!BKE_id_is_editable(bmain, &object->id)) {
continue;
}
LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
if (md->type != eModifierType_Nodes) {
continue;
}
NodesModifierData *nmd = reinterpret_cast<NodesModifierData *>(md);
if (StringRef(nmd->bake_directory).is_empty()) {
BKE_reportf(op->reports,
RPT_INFO,
"Bake directory of object %s, modifier %s is empty, setting default path",
object->id.name + 2,
md->name);
nmd->bake_directory = BLI_strdup(
bake::get_default_modifier_bake_directory(*bmain, *object, *nmd).c_str());
}
}
}
}
/* Map for counting path references. */
using PathUsersMap = Map<std::string,
int,
default_inline_buffer_capacity(sizeof(std::string)),
DefaultProbingStrategy,
PathStringHash,
PathStringEquality>;
static PathUsersMap bake_simulation_get_path_users(bContext *C, const Span<Object *> objects)
{
Main *bmain = CTX_data_main(C);
PathUsersMap path_users;
for (const Object *object : objects) {
const char *base_path = ID_BLEND_PATH(bmain, &object->id);
LISTBASE_FOREACH (const ModifierData *, md, &object->modifiers) {
if (md->type != eModifierType_Nodes) {
continue;
}
const NodesModifierData *nmd = reinterpret_cast<const NodesModifierData *>(md);
if (StringRef(nmd->bake_directory).is_empty()) {
continue;
}
char absolute_bake_dir[FILE_MAX];
STRNCPY(absolute_bake_dir, nmd->bake_directory);
BLI_path_abs(absolute_bake_dir, base_path);
path_users.add_or_modify(
absolute_bake_dir, [](int *value) { *value = 1; }, [](int *value) { ++(*value); });
}
}
return path_users;
}
static int bake_simulation_invoke(bContext *C, wmOperator *op, const wmEvent * /*event*/)
{
Vector<Object *> objects;
if (RNA_boolean_get(op->ptr, "selected")) {
CTX_DATA_BEGIN (C, Object *, object, selected_objects) {
objects.append(object);
}
CTX_DATA_END;
}
else {
if (Object *object = CTX_data_active_object(C)) {
objects.append(object);
}
}
/* Set empty paths to default. */
bake_simulation_validate_paths(C, op, objects);
PathUsersMap path_users = bake_simulation_get_path_users(C, objects);
bool has_path_conflict = false;
bool has_existing_bake_data = false;
for (const auto &item : path_users.items()) {
/* Check if multiple caches are writing to the same bake directory. */
if (item.value > 1) {
BKE_reportf(op->reports,
RPT_ERROR,
"Path conflict: %d caches set to path %s",
item.value,
item.key.data());
has_path_conflict = true;
}
/* Check if path exists and contains bake data already. */
if (bake_directory_has_data(item.key.data())) {
has_existing_bake_data = true;
}
}
if (has_path_conflict) {
UI_popup_menu_reports(C, op->reports);
return OPERATOR_CANCELLED;
}
if (has_existing_bake_data) {
return WM_operator_confirm_ex(C,
op,
IFACE_("Overwrite existing bake data?"),
nullptr,
IFACE_("Bake"),
ALERT_ICON_NONE,
false);
}
Vector<NodeBakeRequest> requests = bake_simulation_gather_requests(C, op);
return start_bake_job(C, std::move(requests), op, BakeRequestsMode::Async);
}
static int bake_simulation_modal(bContext *C, wmOperator * /*op*/, const wmEvent * /*event*/)
{
if (!WM_jobs_test(CTX_wm_manager(C), CTX_data_scene(C), WM_JOB_TYPE_BAKE_GEOMETRY_NODES)) {
return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
}
return OPERATOR_PASS_THROUGH;
}
static void try_delete_bake(
bContext *C, Object &object, NodesModifierData &nmd, const int bake_id, ReportList *reports)
{
Main *bmain = CTX_data_main(C);
if (!nmd.runtime->cache) {
return;
}
bake::ModifierCache &modifier_cache = *nmd.runtime->cache;
std::lock_guard lock{modifier_cache.mutex};
if (auto *node_cache = modifier_cache.simulation_cache_by_id.lookup_ptr(bake_id)) {
(*node_cache)->reset();
}
else if (auto *node_cache = modifier_cache.bake_cache_by_id.lookup_ptr(bake_id)) {
(*node_cache)->reset();
}
NodesModifierBake *bake = nmd.find_bake(bake_id);
if (!bake) {
return;
}
dna::array::clear<NodesModifierDataBlock>(&bake->data_blocks,
&bake->data_blocks_num,
&bake->active_data_block,
[](NodesModifierDataBlock *data_block) {
nodes_modifier_data_block_destruct(data_block, true);
});
const std::optional<bake::BakePath> bake_path = bake::get_node_bake_path(
*bmain, object, nmd, bake_id);
if (!bake_path) {
return;
}
const char *meta_dir = bake_path->meta_dir.c_str();
if (BLI_exists(meta_dir)) {
if (BLI_delete(meta_dir, true, true)) {
BKE_reportf(reports, RPT_ERROR, "Failed to remove metadata directory %s", meta_dir);
}
}
const char *blobs_dir = bake_path->blobs_dir.c_str();
if (BLI_exists(blobs_dir)) {
if (BLI_delete(blobs_dir, true, true)) {
BKE_reportf(reports, RPT_ERROR, "Failed to remove blobs directory %s", blobs_dir);
}
}
if (bake_path->bake_dir.has_value()) {
const char *zone_bake_dir = bake_path->bake_dir->c_str();
/* Try to delete zone bake directory if it is empty. */
BLI_delete(zone_bake_dir, true, false);
}
if (const std::optional<std::string> modifier_bake_dir = bake::get_modifier_bake_path(
*bmain, object, nmd))
{
/* Try to delete modifier bake directory if it is empty. */
BLI_delete(modifier_bake_dir->c_str(), true, false);
}
}
static int delete_baked_simulation_exec(bContext *C, wmOperator *op)
{
Vector<Object *> objects;
if (RNA_boolean_get(op->ptr, "selected")) {
CTX_DATA_BEGIN (C, Object *, object, selected_objects) {
objects.append(object);
}
CTX_DATA_END;
}
else {
if (Object *object = CTX_data_active_object(C)) {
objects.append(object);
}
}
if (objects.is_empty()) {
return OPERATOR_CANCELLED;
}
for (Object *object : objects) {
LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
if (md->type == eModifierType_Nodes) {
NodesModifierData *nmd = reinterpret_cast<NodesModifierData *>(md);
for (const NodesModifierBake &bake : Span(nmd->bakes, nmd->bakes_num)) {
try_delete_bake(C, *object, *nmd, bake.id, op->reports);
}
}
}
DEG_id_tag_update(&object->id, ID_RECALC_GEOMETRY);
}
WM_event_add_notifier(C, NC_OBJECT | ND_MODIFIER, nullptr);
return OPERATOR_FINISHED;
}
static Vector<NodeBakeRequest> bake_single_node_gather_bake_request(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
Object *object = reinterpret_cast<Object *>(
WM_operator_properties_id_lookup_from_name_or_session_uid(bmain, op->ptr, ID_OB));
if (object == nullptr) {
return {};
}
char *modifier_name = RNA_string_get_alloc(op->ptr, "modifier_name", nullptr, 0, nullptr);
if (modifier_name == nullptr) {
return {};
}
BLI_SCOPED_DEFER([&]() { MEM_SAFE_FREE(modifier_name); });
ModifierData *md = BKE_modifiers_findby_name(object, modifier_name);
if (md == nullptr) {
return {};
}
NodesModifierData &nmd = *reinterpret_cast<NodesModifierData *>(md);
if (nmd.node_group == nullptr) {
return {};
}
if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
BKE_report(op->reports, RPT_ERROR, "Modifier containing the node is disabled");
return {};
}
if (StringRef(nmd.bake_directory).is_empty()) {
const std::string directory = bake::get_default_modifier_bake_directory(*bmain, *object, nmd);
nmd.bake_directory = BLI_strdup(directory.c_str());
}
const int bake_id = RNA_int_get(op->ptr, "bake_id");
const bNode *node = nmd.node_group->find_nested_node(bake_id);
if (node == nullptr) {
return {};
}
if (!ELEM(node->type, GEO_NODE_SIMULATION_OUTPUT, GEO_NODE_BAKE)) {
return {};
}
NodeBakeRequest request;
request.object = object;
request.nmd = &nmd;
request.bake_id = bake_id;
request.node_type = node->type;
request.blob_sharing = std::make_unique<bake::BlobWriteSharing>();
const NodesModifierBake *bake = nmd.find_bake(bake_id);
if (!bake) {
return {};
}
const std::optional<bake::BakePath> bake_path = bake::get_node_bake_path(
*bmain, *object, nmd, bake_id);
if (!bake_path.has_value()) {
BKE_report(op->reports, RPT_ERROR, "Cannot determine bake location on disk");
return {};
}
request.path = std::move(*bake_path);
if (node->type == GEO_NODE_BAKE && bake->bake_mode == NODES_MODIFIER_BAKE_MODE_STILL) {
const int current_frame = scene->r.cfra;
request.frame_start = current_frame;
request.frame_end = current_frame;
/* Delete old bake because otherwise this wouldn't be a still frame bake. This is not done for
* other bakes to avoid loosing data when starting a bake. */
try_delete_bake(C, *object, nmd, bake_id, op->reports);
}
else {
const std::optional<IndexRange> frame_range = bake::get_node_bake_frame_range(
*scene, *object, nmd, bake_id);
if (!frame_range.has_value()) {
return {};
}
if (frame_range->is_empty()) {
return {};
}
request.frame_start = frame_range->first();
request.frame_end = frame_range->last();
}
Vector<NodeBakeRequest> requests;
requests.append(std::move(request));
return requests;
}
static int bake_single_node_invoke(bContext *C, wmOperator *op, const wmEvent * /*event*/)
{
Vector<NodeBakeRequest> requests = bake_single_node_gather_bake_request(C, op);
if (requests.is_empty()) {
return OPERATOR_CANCELLED;
}
return start_bake_job(C, std::move(requests), op, BakeRequestsMode::Async);
}
static int bake_single_node_exec(bContext *C, wmOperator *op)
{
Vector<NodeBakeRequest> requests = bake_single_node_gather_bake_request(C, op);
if (requests.is_empty()) {
return OPERATOR_CANCELLED;
}
return start_bake_job(C, std::move(requests), op, BakeRequestsMode::Sync);
}
static int bake_single_node_modal(bContext *C, wmOperator * /*op*/, const wmEvent * /*event*/)
{
if (!WM_jobs_test(CTX_wm_manager(C), CTX_data_scene(C), WM_JOB_TYPE_BAKE_GEOMETRY_NODES)) {
return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
}
return OPERATOR_PASS_THROUGH;
}
static int delete_single_bake_exec(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
Object *object = reinterpret_cast<Object *>(
WM_operator_properties_id_lookup_from_name_or_session_uid(bmain, op->ptr, ID_OB));
if (object == nullptr) {
return OPERATOR_CANCELLED;
}
char *modifier_name = RNA_string_get_alloc(op->ptr, "modifier_name", nullptr, 0, nullptr);
if (modifier_name == nullptr) {
return OPERATOR_CANCELLED;
}
BLI_SCOPED_DEFER([&]() { MEM_SAFE_FREE(modifier_name); });
ModifierData *md = BKE_modifiers_findby_name(object, modifier_name);
if (md == nullptr) {
return OPERATOR_CANCELLED;
}
NodesModifierData &nmd = *reinterpret_cast<NodesModifierData *>(md);
const int bake_id = RNA_int_get(op->ptr, "bake_id");
try_delete_bake(C, *object, nmd, bake_id, op->reports);
DEG_id_tag_update(&object->id, ID_RECALC_GEOMETRY);
WM_main_add_notifier(NC_OBJECT | ND_MODIFIER, nullptr);
WM_main_add_notifier(NC_NODE, nullptr);
return OPERATOR_FINISHED;
}
static bool bake_poll(bContext *C)
{
Main *bmain = CTX_data_main(C);
if (BKE_main_blendfile_path(bmain)[0] == '\0') {
/* Saving the .blend file is not technically necessary in all cases but only when the bake path
* depends on the .blend file path (which is the case by default). */
CTX_wm_operator_poll_msg_set(C, "File must be saved before baking");
return false;
}
return true;
}
static bool bake_delete_poll(bContext *C)
{
Main *bmain = CTX_data_main(C);
if (BKE_main_blendfile_path(bmain)[0] == '\0') {
return false;
}
return true;
}
void OBJECT_OT_simulation_nodes_cache_calculate_to_frame(wmOperatorType *ot)
{
ot->name = "Calculate Simulation to Frame";
ot->description =
"Calculate simulations in geometry nodes modifiers from the start to current frame";
ot->idname = __func__;
ot->invoke = simulate_to_frame_invoke;
ot->modal = simulate_to_frame_modal;
ot->poll = simulate_to_frame_poll;
RNA_def_boolean(ot->srna,
"selected",
false,
"Selected",
"Calculate all selected objects instead of just the active object");
}
void OBJECT_OT_simulation_nodes_cache_bake(wmOperatorType *ot)
{
ot->name = "Bake Simulation";
ot->description = "Bake simulations in geometry nodes modifiers";
ot->idname = __func__;
ot->exec = bake_simulation_exec;
ot->invoke = bake_simulation_invoke;
ot->modal = bake_simulation_modal;
ot->poll = bake_simulation_poll;
RNA_def_boolean(ot->srna, "selected", false, "Selected", "Bake cache on all selected objects");
}
void OBJECT_OT_simulation_nodes_cache_delete(wmOperatorType *ot)
{
ot->name = "Delete Cached Simulation";
ot->description = "Delete cached/baked simulations in geometry nodes modifiers";
ot->idname = __func__;
ot->exec = delete_baked_simulation_exec;
ot->poll = ED_operator_object_active;
RNA_def_boolean(ot->srna, "selected", false, "Selected", "Delete cache on all selected objects");
}
static void single_bake_operator_props(wmOperatorType *ot)
{
WM_operator_properties_id_lookup(ot, false);
RNA_def_string(ot->srna,
"modifier_name",
nullptr,
0,
"Modifier Name",
"Name of the modifier that contains the node");
RNA_def_int(
ot->srna, "bake_id", 0, 0, INT32_MAX, "Bake ID", "Nested node id of the node", 0, INT32_MAX);
}
void OBJECT_OT_geometry_node_bake_single(wmOperatorType *ot)
{
ot->name = "Bake Geometry Node";
ot->description = "Bake a single bake node or simulation";
ot->idname = "OBJECT_OT_geometry_node_bake_single";
ot->poll = bake_poll;
ot->invoke = bake_single_node_invoke;
ot->exec = bake_single_node_exec;
ot->modal = bake_single_node_modal;
single_bake_operator_props(ot);
}
void OBJECT_OT_geometry_node_bake_delete_single(wmOperatorType *ot)
{
ot->name = "Delete Geometry Node Bake";
ot->description = "Delete baked data of a single bake node or simulation";
ot->idname = "OBJECT_OT_geometry_node_bake_delete_single";
ot->poll = bake_delete_poll;
ot->exec = delete_single_bake_exec;
single_bake_operator_props(ot);
}
} // namespace blender::ed::object::bake_simulation
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