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https://github.com/godotengine/godot
synced 2024-09-05 13:28:28 +00:00
Custom ("visiblity") AABB support for CPUParticles
- Improves performance by reducing time spent on AABB generation. - Also adds an option to generate the AABB manually in the CPUParticles3D dropdown.
This commit is contained in:
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7ac8365e11
commit
ec6518d9cd
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@ -309,6 +309,10 @@
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<member name="tangential_accel_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum tangent acceleration.
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</member>
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<member name="visibility_aabb" type="AABB" setter="set_visibility_aabb" getter="get_visibility_aabb" default="AABB(-4, -4, -4, 8, 8, 8)">
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The [AABB] that determines the node's region which needs to be visible on screen for the particle system to be active.
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Grow the box if particles suddenly appear/disappear when the node enters/exits the screen. The [AABB] can be grown via code or with the [b]Particles → Generate AABB[/b] editor tool.
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</member>
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</members>
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<signals>
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<signal name="finished">
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@ -77,9 +77,62 @@ void CPUParticles3DEditor::_menu_option(int p_option) {
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ur->commit_action(false);
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} break;
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case MENU_OPTION_GENERATE_AABB: {
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// Add one second to the default generation lifetime, since the progress is updated every second.
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generate_seconds->set_value(MAX(1.0, trunc(node->get_lifetime()) + 1.0));
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if (generate_seconds->get_value() >= 11.0 + CMP_EPSILON) {
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// Only pop up the time dialog if the particle's lifetime is long enough to warrant shortening it.
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generate_aabb->popup_centered();
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} else {
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// Generate the visibility AABB immediately.
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_generate_aabb();
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}
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} break;
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}
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}
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void CPUParticles3DEditor::_generate_aabb() {
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double time = generate_seconds->get_value();
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double running = 0.0;
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EditorProgress ep("gen_aabb", TTR("Generating Visibility AABB (Waiting for Particle Simulation)"), int(time));
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bool was_emitting = node->is_emitting();
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if (!was_emitting) {
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node->set_emitting(true);
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OS::get_singleton()->delay_usec(1000);
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}
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AABB rect;
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while (running < time) {
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uint64_t ticks = OS::get_singleton()->get_ticks_usec();
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ep.step("Generating...", int(running), true);
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OS::get_singleton()->delay_usec(1000);
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AABB capture = node->capture_aabb();
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if (rect == AABB()) {
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rect = capture;
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} else {
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rect.merge_with(capture);
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}
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running += (OS::get_singleton()->get_ticks_usec() - ticks) / 1000000.0;
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}
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if (!was_emitting) {
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node->set_emitting(false);
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}
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EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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ur->create_action(TTR("Generate Visibility AABB"));
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ur->add_do_method(node, "set_visibility_aabb", rect);
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ur->add_undo_method(node, "set_visibility_aabb", node->get_visibility_aabb());
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ur->commit_action();
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}
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void CPUParticles3DEditor::edit(CPUParticles3D *p_particles) {
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base_node = p_particles;
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node = p_particles;
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@ -117,9 +170,24 @@ CPUParticles3DEditor::CPUParticles3DEditor() {
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options->set_text(TTR("CPUParticles3D"));
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options->get_popup()->add_item(TTR("Restart"), MENU_OPTION_RESTART);
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options->get_popup()->add_item(TTR("Generate AABB"), MENU_OPTION_GENERATE_AABB);
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options->get_popup()->add_item(TTR("Create Emission Points From Node"), MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE);
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options->get_popup()->add_item(TTR("Convert to GPUParticles3D"), MENU_OPTION_CONVERT_TO_GPU_PARTICLES);
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options->get_popup()->connect("id_pressed", callable_mp(this, &CPUParticles3DEditor::_menu_option));
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generate_aabb = memnew(ConfirmationDialog);
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generate_aabb->set_title(TTR("Generate Visibility AABB"));
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VBoxContainer *genvb = memnew(VBoxContainer);
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generate_aabb->add_child(genvb);
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generate_seconds = memnew(SpinBox);
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genvb->add_margin_child(TTR("Generation Time (sec):"), generate_seconds);
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generate_seconds->set_min(0.1);
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generate_seconds->set_max(25);
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generate_seconds->set_value(2);
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add_child(generate_aabb);
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generate_aabb->connect("confirmed", callable_mp(this, &CPUParticles3DEditor::_generate_aabb));
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}
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void CPUParticles3DEditorPlugin::edit(Object *p_object) {
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@ -38,14 +38,19 @@ class CPUParticles3DEditor : public GPUParticles3DEditorBase {
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GDCLASS(CPUParticles3DEditor, GPUParticles3DEditorBase);
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enum Menu {
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MENU_OPTION_GENERATE_AABB,
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MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE,
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MENU_OPTION_CLEAR_EMISSION_VOLUME,
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MENU_OPTION_RESTART,
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MENU_OPTION_CONVERT_TO_GPU_PARTICLES,
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};
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ConfirmationDialog *generate_aabb = nullptr;
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SpinBox *generate_seconds = nullptr;
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CPUParticles3D *node = nullptr;
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void _generate_aabb();
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void _menu_option(int);
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friend class CPUParticles3DEditorPlugin;
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@ -31,11 +31,16 @@
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#include "cpu_particles_3d_gizmo_plugin.h"
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#include "editor/editor_node.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_string_names.h"
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#include "editor/plugins/node_3d_editor_plugin.h"
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#include "scene/3d/cpu_particles_3d.h"
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CPUParticles3DGizmoPlugin::CPUParticles3DGizmoPlugin() {
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Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/particles", Color(0.8, 0.7, 0.4));
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create_material("particles_material", gizmo_color);
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gizmo_color.a = MAX((gizmo_color.a - 0.2) * 0.02, 0.0);
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create_material("particles_solid_material", gizmo_color);
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create_icon_material("particles_icon", EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("GizmoCPUParticles3D"), EditorStringName(EditorIcons)));
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}
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@ -56,6 +61,48 @@ bool CPUParticles3DGizmoPlugin::is_selectable_when_hidden() const {
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}
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void CPUParticles3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
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CPUParticles3D *particles = Object::cast_to<CPUParticles3D>(p_gizmo->get_node_3d());
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p_gizmo->clear();
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Vector<Vector3> lines;
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AABB aabb = particles->get_visibility_aabb();
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for (int i = 0; i < 12; i++) {
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Vector3 a, b;
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aabb.get_edge(i, a, b);
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lines.push_back(a);
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lines.push_back(b);
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}
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Vector<Vector3> handles;
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for (int i = 0; i < 3; i++) {
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Vector3 ax;
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ax[i] = aabb.position[i] + aabb.size[i];
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ax[(i + 1) % 3] = aabb.position[(i + 1) % 3] + aabb.size[(i + 1) % 3] * 0.5;
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ax[(i + 2) % 3] = aabb.position[(i + 2) % 3] + aabb.size[(i + 2) % 3] * 0.5;
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handles.push_back(ax);
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}
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Vector3 center = aabb.get_center();
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for (int i = 0; i < 3; i++) {
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Vector3 ax;
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ax[i] = 1.0;
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handles.push_back(center + ax);
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lines.push_back(center);
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lines.push_back(center + ax);
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}
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Ref<Material> material = get_material("particles_material", p_gizmo);
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p_gizmo->add_lines(lines, material);
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if (p_gizmo->is_selected()) {
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Ref<Material> solid_material = get_material("particles_solid_material", p_gizmo);
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p_gizmo->add_solid_box(solid_material, aabb.get_size(), aabb.get_center());
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}
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Ref<Material> icon = get_material("particles_icon", p_gizmo);
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p_gizmo->add_unscaled_billboard(icon, 0.05);
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}
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@ -101,6 +101,12 @@ void CPUParticles3D::set_randomness_ratio(real_t p_ratio) {
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randomness_ratio = p_ratio;
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}
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void CPUParticles3D::set_visibility_aabb(const AABB &p_aabb) {
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RS::get_singleton()->multimesh_set_custom_aabb(multimesh, p_aabb);
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visibility_aabb = p_aabb;
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update_gizmos();
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}
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void CPUParticles3D::set_lifetime_randomness(double p_random) {
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lifetime_randomness = p_random;
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}
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@ -141,6 +147,10 @@ real_t CPUParticles3D::get_randomness_ratio() const {
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return randomness_ratio;
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}
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AABB CPUParticles3D::get_visibility_aabb() const {
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return visibility_aabb;
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}
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double CPUParticles3D::get_lifetime_randomness() const {
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return lifetime_randomness;
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}
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@ -520,6 +530,11 @@ bool CPUParticles3D::get_split_scale() {
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return split_scale;
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}
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AABB CPUParticles3D::capture_aabb() const {
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RS::get_singleton()->multimesh_set_custom_aabb(multimesh, AABB());
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return RS::get_singleton()->multimesh_get_aabb(multimesh);
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}
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void CPUParticles3D::_validate_property(PropertyInfo &p_property) const {
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if (p_property.name == "emission_sphere_radius" && (emission_shape != EMISSION_SHAPE_SPHERE && emission_shape != EMISSION_SHAPE_SPHERE_SURFACE)) {
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p_property.usage = PROPERTY_USAGE_NONE;
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@ -1341,6 +1356,7 @@ void CPUParticles3D::convert_from_particles(Node *p_particles) {
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set_pre_process_time(gpu_particles->get_pre_process_time());
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set_explosiveness_ratio(gpu_particles->get_explosiveness_ratio());
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set_randomness_ratio(gpu_particles->get_randomness_ratio());
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set_visibility_aabb(gpu_particles->get_visibility_aabb());
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set_use_local_coordinates(gpu_particles->get_use_local_coordinates());
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set_fixed_fps(gpu_particles->get_fixed_fps());
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set_fractional_delta(gpu_particles->get_fractional_delta());
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@ -1420,6 +1436,7 @@ void CPUParticles3D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &CPUParticles3D::set_pre_process_time);
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ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &CPUParticles3D::set_explosiveness_ratio);
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ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &CPUParticles3D::set_randomness_ratio);
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ClassDB::bind_method(D_METHOD("set_visibility_aabb", "aabb"), &CPUParticles3D::set_visibility_aabb);
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ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "random"), &CPUParticles3D::set_lifetime_randomness);
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ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &CPUParticles3D::set_use_local_coordinates);
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ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &CPUParticles3D::set_fixed_fps);
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@ -1433,6 +1450,7 @@ void CPUParticles3D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_pre_process_time"), &CPUParticles3D::get_pre_process_time);
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ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &CPUParticles3D::get_explosiveness_ratio);
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ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &CPUParticles3D::get_randomness_ratio);
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ClassDB::bind_method(D_METHOD("get_visibility_aabb"), &CPUParticles3D::get_visibility_aabb);
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ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &CPUParticles3D::get_lifetime_randomness);
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ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &CPUParticles3D::get_use_local_coordinates);
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ClassDB::bind_method(D_METHOD("get_fixed_fps"), &CPUParticles3D::get_fixed_fps);
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@ -1461,6 +1479,7 @@ void CPUParticles3D::_bind_methods() {
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ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1,suffix:FPS"), "set_fixed_fps", "get_fixed_fps");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta");
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ADD_GROUP("Drawing", "");
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ADD_PROPERTY(PropertyInfo(Variant::AABB, "visibility_aabb", PROPERTY_HINT_NONE, "suffix:m"), "set_visibility_aabb", "get_visibility_aabb");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "local_coords"), "set_use_local_coordinates", "get_use_local_coordinates");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "draw_order", PROPERTY_HINT_ENUM, "Index,Lifetime,View Depth"), "set_draw_order", "get_draw_order");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh"), "set_mesh", "get_mesh");
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@ -1665,6 +1684,7 @@ CPUParticles3D::CPUParticles3D() {
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set_emitting(true);
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set_amount(8);
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set_visibility_aabb(AABB(Vector3(-4, -4, -4), Vector3(8, 8, 8)));
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set_param_min(PARAM_INITIAL_LINEAR_VELOCITY, 0);
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set_param_min(PARAM_ANGULAR_VELOCITY, 0);
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@ -138,6 +138,7 @@ private:
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real_t randomness_ratio = 0.0;
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double lifetime_randomness = 0.0;
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double speed_scale = 1.0;
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AABB visibility_aabb;
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bool local_coords = false;
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int fixed_fps = 0;
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bool fractional_delta = true;
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@ -210,6 +211,7 @@ public:
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void set_pre_process_time(double p_time);
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void set_explosiveness_ratio(real_t p_ratio);
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void set_randomness_ratio(real_t p_ratio);
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void set_visibility_aabb(const AABB &p_aabb);
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void set_lifetime_randomness(double p_random);
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void set_use_local_coordinates(bool p_enable);
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void set_speed_scale(double p_scale);
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@ -221,6 +223,7 @@ public:
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double get_pre_process_time() const;
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real_t get_explosiveness_ratio() const;
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real_t get_randomness_ratio() const;
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AABB get_visibility_aabb() const;
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double get_lifetime_randomness() const;
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bool get_use_local_coordinates() const;
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double get_speed_scale() const;
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@ -308,6 +311,8 @@ public:
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void convert_from_particles(Node *p_particles);
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AABB capture_aabb() const;
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CPUParticles3D();
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~CPUParticles3D();
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};
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