Merge pull request #42628 from reduz/particle-collisions

Implement GPU Particle Collisions
This commit is contained in:
Rémi Verschelde 2020-10-09 19:28:29 +02:00 committed by GitHub
commit b724d3851a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
32 changed files with 2947 additions and 102 deletions

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@ -65,6 +65,14 @@ struct Vector2 {
real_t length() const;
real_t length_squared() const;
Vector2 min(const Vector2 &p_vector2) const {
return Vector2(MIN(x, p_vector2.x), MIN(y, p_vector2.y));
}
Vector2 max(const Vector2 &p_vector2) const {
return Vector2(MAX(x, p_vector2.x), MAX(y, p_vector2.y));
}
real_t distance_to(const Vector2 &p_vector2) const;
real_t distance_squared_to(const Vector2 &p_vector2) const;
real_t angle_to(const Vector2 &p_vector2) const;

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@ -73,13 +73,15 @@ class ThreadWorkPool {
ThreadData *threads = nullptr;
uint32_t thread_count = 0;
BaseWork *current_work = nullptr;
static void _thread_function(ThreadData *p_thread);
public:
template <class C, class M, class U>
void do_work(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
void begin_work(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
ERR_FAIL_COND(!threads); //never initialized
ERR_FAIL_COND(current_work != nullptr);
index.store(0);
@ -90,16 +92,37 @@ public:
w->index = &index;
w->max_elements = p_elements;
current_work = w;
for (uint32_t i = 0; i < thread_count; i++) {
threads[i].work = w;
threads[i].start.post();
}
}
bool is_working() const {
return current_work != nullptr;
}
uint32_t get_work_index() const {
return index;
}
void end_work() {
ERR_FAIL_COND(current_work == nullptr);
for (uint32_t i = 0; i < thread_count; i++) {
threads[i].completed.wait();
threads[i].work = nullptr;
}
memdelete(w);
memdelete(current_work);
current_work = nullptr;
}
template <class C, class M, class U>
void do_work(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
begin_work(p_elements, p_instance, p_method, p_userdata);
end_work();
}
void init(int p_thread_count = -1);

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@ -128,6 +128,7 @@
#include "editor/plugins/gi_probe_editor_plugin.h"
#include "editor/plugins/gpu_particles_2d_editor_plugin.h"
#include "editor/plugins/gpu_particles_3d_editor_plugin.h"
#include "editor/plugins/gpu_particles_collision_sdf_editor_plugin.h"
#include "editor/plugins/gradient_editor_plugin.h"
#include "editor/plugins/item_list_editor_plugin.h"
#include "editor/plugins/light_occluder_2d_editor_plugin.h"
@ -6635,6 +6636,7 @@ EditorNode::EditorNode() {
add_editor_plugin(memnew(PhysicalBone3DEditorPlugin(this)));
add_editor_plugin(memnew(MeshEditorPlugin(this)));
add_editor_plugin(memnew(MaterialEditorPlugin(this)));
add_editor_plugin(memnew(GPUParticlesCollisionSDFEditorPlugin(this)));
for (int i = 0; i < EditorPlugins::get_plugin_count(); i++) {
add_editor_plugin(EditorPlugins::create(i, this));

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@ -51,7 +51,7 @@ String ResourceImporterLayeredTexture::get_importer_name() const {
return "cubemap_array_texture";
} break;
case MODE_3D: {
return "cubemap_3d_texture";
return "3d_texture";
} break;
}

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@ -41,6 +41,7 @@
#include "scene/3d/decal.h"
#include "scene/3d/gi_probe.h"
#include "scene/3d/gpu_particles_3d.h"
#include "scene/3d/gpu_particles_collision_3d.h"
#include "scene/3d/light_3d.h"
#include "scene/3d/lightmap_probe.h"
#include "scene/3d/listener_3d.h"
@ -2455,6 +2456,266 @@ void GPUParticles3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
////
////
GPUParticlesCollision3DGizmoPlugin::GPUParticlesCollision3DGizmoPlugin() {
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/particle_collision", Color(0.5, 0.7, 1));
create_material("shape_material", gizmo_color);
gizmo_color.a = 0.15;
create_material("shape_material_internal", gizmo_color);
create_handle_material("handles");
}
bool GPUParticlesCollision3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return (Object::cast_to<GPUParticlesCollision3D>(p_spatial) != nullptr) || (Object::cast_to<GPUParticlesAttractor3D>(p_spatial) != nullptr);
}
String GPUParticlesCollision3DGizmoPlugin::get_name() const {
return "GPUParticlesCollision3D";
}
int GPUParticlesCollision3DGizmoPlugin::get_priority() const {
return -1;
}
String GPUParticlesCollision3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_idx) const {
const Node3D *cs = p_gizmo->get_spatial_node();
if (Object::cast_to<GPUParticlesCollisionSphere>(cs) || Object::cast_to<GPUParticlesAttractorSphere>(cs)) {
return "Radius";
}
if (Object::cast_to<GPUParticlesCollisionBox>(cs) || Object::cast_to<GPUParticlesAttractorBox>(cs) || Object::cast_to<GPUParticlesAttractorVectorField>(cs) || Object::cast_to<GPUParticlesCollisionSDF>(cs) || Object::cast_to<GPUParticlesCollisionHeightField>(cs)) {
return "Extents";
}
return "";
}
Variant GPUParticlesCollision3DGizmoPlugin::get_handle_value(EditorNode3DGizmo *p_gizmo, int p_idx) const {
const Node3D *cs = p_gizmo->get_spatial_node();
if (Object::cast_to<GPUParticlesCollisionSphere>(cs) || Object::cast_to<GPUParticlesAttractorSphere>(cs)) {
return p_gizmo->get_spatial_node()->call("get_radius");
}
if (Object::cast_to<GPUParticlesCollisionBox>(cs) || Object::cast_to<GPUParticlesAttractorBox>(cs) || Object::cast_to<GPUParticlesAttractorVectorField>(cs) || Object::cast_to<GPUParticlesCollisionSDF>(cs) || Object::cast_to<GPUParticlesCollisionHeightField>(cs)) {
return Vector3(p_gizmo->get_spatial_node()->call("get_extents"));
}
return Variant();
}
void GPUParticlesCollision3DGizmoPlugin::set_handle(EditorNode3DGizmo *p_gizmo, int p_idx, Camera3D *p_camera, const Point2 &p_point) {
Node3D *sn = p_gizmo->get_spatial_node();
Transform gt = sn->get_global_transform();
Transform gi = gt.affine_inverse();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 4096) };
if (Object::cast_to<GPUParticlesCollisionSphere>(sn) || Object::cast_to<GPUParticlesAttractorSphere>(sn)) {
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
float d = ra.x;
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
d = Math::stepify(d, Node3DEditor::get_singleton()->get_translate_snap());
}
if (d < 0.001) {
d = 0.001;
}
sn->call("set_radius", d);
}
if (Object::cast_to<GPUParticlesCollisionBox>(sn) || Object::cast_to<GPUParticlesAttractorBox>(sn) || Object::cast_to<GPUParticlesAttractorVectorField>(sn) || Object::cast_to<GPUParticlesCollisionSDF>(sn) || Object::cast_to<GPUParticlesCollisionHeightField>(sn)) {
Vector3 axis;
axis[p_idx] = 1.0;
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
float d = ra[p_idx];
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
d = Math::stepify(d, Node3DEditor::get_singleton()->get_translate_snap());
}
if (d < 0.001) {
d = 0.001;
}
Vector3 he = sn->call("get_extents");
he[p_idx] = d;
sn->call("set_extents", he);
}
}
void GPUParticlesCollision3DGizmoPlugin::commit_handle(EditorNode3DGizmo *p_gizmo, int p_idx, const Variant &p_restore, bool p_cancel) {
Node3D *sn = p_gizmo->get_spatial_node();
if (Object::cast_to<GPUParticlesCollisionSphere>(sn) || Object::cast_to<GPUParticlesAttractorSphere>(sn)) {
if (p_cancel) {
sn->call("set_radius", p_restore);
return;
}
UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Radius"));
ur->add_do_method(sn, "set_radius", sn->call("get_radius"));
ur->add_undo_method(sn, "set_radius", p_restore);
ur->commit_action();
}
if (Object::cast_to<GPUParticlesCollisionBox>(sn) || Object::cast_to<GPUParticlesAttractorBox>(sn) || Object::cast_to<GPUParticlesAttractorVectorField>(sn) || Object::cast_to<GPUParticlesCollisionSDF>(sn) || Object::cast_to<GPUParticlesCollisionHeightField>(sn)) {
if (p_cancel) {
sn->call("set_extents", p_restore);
return;
}
UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Box Shape Extents"));
ur->add_do_method(sn, "set_extents", sn->call("get_extents"));
ur->add_undo_method(sn, "set_extents", p_restore);
ur->commit_action();
}
}
void GPUParticlesCollision3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
Node3D *cs = p_gizmo->get_spatial_node();
print_line("redraw request " + itos(cs != nullptr));
p_gizmo->clear();
const Ref<Material> material =
get_material("shape_material", p_gizmo);
const Ref<Material> material_internal =
get_material("shape_material_internal", p_gizmo);
Ref<Material> handles_material = get_material("handles");
if (Object::cast_to<GPUParticlesCollisionSphere>(cs) || Object::cast_to<GPUParticlesAttractorSphere>(cs)) {
float r = cs->call("get_radius");
Vector<Vector3> points;
for (int i = 0; i <= 360; i++) {
float ra = Math::deg2rad((float)i);
float rb = Math::deg2rad((float)i + 1);
Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * r;
Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * r;
points.push_back(Vector3(a.x, 0, a.y));
points.push_back(Vector3(b.x, 0, b.y));
points.push_back(Vector3(0, a.x, a.y));
points.push_back(Vector3(0, b.x, b.y));
points.push_back(Vector3(a.x, a.y, 0));
points.push_back(Vector3(b.x, b.y, 0));
}
Vector<Vector3> collision_segments;
for (int i = 0; i < 64; i++) {
float ra = i * Math_PI * 2.0 / 64.0;
float rb = (i + 1) * Math_PI * 2.0 / 64.0;
Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * r;
Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * r;
collision_segments.push_back(Vector3(a.x, 0, a.y));
collision_segments.push_back(Vector3(b.x, 0, b.y));
collision_segments.push_back(Vector3(0, a.x, a.y));
collision_segments.push_back(Vector3(0, b.x, b.y));
collision_segments.push_back(Vector3(a.x, a.y, 0));
collision_segments.push_back(Vector3(b.x, b.y, 0));
}
p_gizmo->add_lines(points, material);
p_gizmo->add_collision_segments(collision_segments);
Vector<Vector3> handles;
handles.push_back(Vector3(r, 0, 0));
p_gizmo->add_handles(handles, handles_material);
}
if (Object::cast_to<GPUParticlesCollisionBox>(cs) || Object::cast_to<GPUParticlesAttractorBox>(cs) || Object::cast_to<GPUParticlesAttractorVectorField>(cs) || Object::cast_to<GPUParticlesCollisionSDF>(cs) || Object::cast_to<GPUParticlesCollisionHeightField>(cs)) {
Vector<Vector3> lines;
AABB aabb;
aabb.position = -cs->call("get_extents").operator Vector3();
aabb.size = aabb.position * -2;
for (int i = 0; i < 12; i++) {
Vector3 a, b;
aabb.get_edge(i, a, b);
lines.push_back(a);
lines.push_back(b);
}
Vector<Vector3> handles;
for (int i = 0; i < 3; i++) {
Vector3 ax;
ax[i] = cs->call("get_extents").operator Vector3()[i];
handles.push_back(ax);
}
p_gizmo->add_lines(lines, material);
p_gizmo->add_collision_segments(lines);
p_gizmo->add_handles(handles, handles_material);
GPUParticlesCollisionSDF *col_sdf = Object::cast_to<GPUParticlesCollisionSDF>(cs);
if (col_sdf) {
static const int subdivs[GPUParticlesCollisionSDF::RESOLUTION_MAX] = { 16, 32, 64, 128, 256, 512 };
int subdiv = subdivs[col_sdf->get_resolution()];
float cell_size = aabb.get_longest_axis_size() / subdiv;
lines.clear();
for (int i = 1; i < subdiv; i++) {
for (int j = 0; j < 3; j++) {
if (cell_size * i > aabb.size[j]) {
continue;
}
Vector2 dir;
dir[j] = 1.0;
Vector2 ta, tb;
int j_n1 = (j + 1) % 3;
int j_n2 = (j + 2) % 3;
ta[j_n1] = 1.0;
tb[j_n2] = 1.0;
for (int k = 0; k < 4; k++) {
Vector3 from = aabb.position, to = aabb.position;
from[j] += cell_size * i;
to[j] += cell_size * i;
if (k & 1) {
to[j_n1] += aabb.size[j_n1];
} else {
to[j_n2] += aabb.size[j_n2];
}
if (k & 2) {
from[j_n1] += aabb.size[j_n1];
from[j_n2] += aabb.size[j_n2];
}
lines.push_back(from);
lines.push_back(to);
}
}
}
p_gizmo->add_lines(lines, material_internal);
}
}
}
/////
////
ReflectionProbeGizmoPlugin::ReflectionProbeGizmoPlugin() {
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/reflection_probe", Color(0.6, 1, 0.5));

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@ -253,6 +253,23 @@ public:
GPUParticles3DGizmoPlugin();
};
class GPUParticlesCollision3DGizmoPlugin : public EditorNode3DGizmoPlugin {
GDCLASS(GPUParticlesCollision3DGizmoPlugin, EditorNode3DGizmoPlugin);
public:
bool has_gizmo(Node3D *p_spatial) override;
String get_name() const override;
int get_priority() const override;
void redraw(EditorNode3DGizmo *p_gizmo) override;
String get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_idx) const override;
Variant get_handle_value(EditorNode3DGizmo *p_gizmo, int p_idx) const override;
void set_handle(EditorNode3DGizmo *p_gizmo, int p_idx, Camera3D *p_camera, const Point2 &p_point) override;
void commit_handle(EditorNode3DGizmo *p_gizmo, int p_idx, const Variant &p_restore, bool p_cancel = false) override;
GPUParticlesCollision3DGizmoPlugin();
};
class ReflectionProbeGizmoPlugin : public EditorNode3DGizmoPlugin {
GDCLASS(ReflectionProbeGizmoPlugin, EditorNode3DGizmoPlugin);

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@ -0,0 +1,201 @@
/*************************************************************************/
/* gpu_particles_collision_sdf_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "gpu_particles_collision_sdf_editor_plugin.h"
void GPUParticlesCollisionSDFEditorPlugin::_bake() {
if (col_sdf) {
if (col_sdf->get_texture().is_null() || !col_sdf->get_texture()->get_path().is_resource_file()) {
String path = get_tree()->get_edited_scene_root()->get_filename();
if (path == String()) {
path = "res://" + col_sdf->get_name() + "_data.exr";
} else {
String ext = path.get_extension();
path = path.get_basename() + "." + col_sdf->get_name() + "_data.exr";
}
probe_file->set_current_path(path);
probe_file->popup_file_dialog();
return;
}
_sdf_save_path_and_bake(col_sdf->get_texture()->get_path());
}
}
void GPUParticlesCollisionSDFEditorPlugin::edit(Object *p_object) {
GPUParticlesCollisionSDF *s = Object::cast_to<GPUParticlesCollisionSDF>(p_object);
if (!s) {
return;
}
col_sdf = s;
}
bool GPUParticlesCollisionSDFEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("GPUParticlesCollisionSDF");
}
void GPUParticlesCollisionSDFEditorPlugin::_notification(int p_what) {
if (p_what == NOTIFICATION_PROCESS) {
if (!col_sdf) {
return;
}
const Vector3i size = col_sdf->get_estimated_cell_size();
String text = vformat(String::utf8("%d × %d × %d"), size.x, size.y, size.z);
int data_size = 2;
const double size_mb = size.x * size.y * size.z * data_size / (1024.0 * 1024.0);
text += " - " + vformat(TTR("VRAM Size: %s MB"), String::num(size_mb, 2));
if (bake_info->get_text() == text) {
return;
}
// Color the label depending on the estimated performance level.
Color color;
if (size_mb <= 16.0 + CMP_EPSILON) {
// Fast.
color = bake_info->get_theme_color("success_color", "Editor");
} else if (size_mb <= 64.0 + CMP_EPSILON) {
// Medium.
color = bake_info->get_theme_color("warning_color", "Editor");
} else {
// Slow.
color = bake_info->get_theme_color("error_color", "Editor");
}
bake_info->add_theme_color_override("font_color", color);
bake_info->set_text(text);
}
}
void GPUParticlesCollisionSDFEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
bake_hb->show();
set_process(true);
} else {
bake_hb->hide();
set_process(false);
}
}
EditorProgress *GPUParticlesCollisionSDFEditorPlugin::tmp_progress = nullptr;
void GPUParticlesCollisionSDFEditorPlugin::bake_func_begin(int p_steps) {
ERR_FAIL_COND(tmp_progress != nullptr);
tmp_progress = memnew(EditorProgress("bake_sdf", TTR("Bake SDF"), p_steps));
}
void GPUParticlesCollisionSDFEditorPlugin::bake_func_step(int p_step, const String &p_description) {
ERR_FAIL_COND(tmp_progress == nullptr);
tmp_progress->step(p_description, p_step, false);
}
void GPUParticlesCollisionSDFEditorPlugin::bake_func_end() {
ERR_FAIL_COND(tmp_progress == nullptr);
memdelete(tmp_progress);
tmp_progress = nullptr;
}
void GPUParticlesCollisionSDFEditorPlugin::_sdf_save_path_and_bake(const String &p_path) {
probe_file->hide();
if (col_sdf) {
Ref<Image> bake_img = col_sdf->bake();
if (bake_img.is_null()) {
EditorNode::get_singleton()->show_warning("Bake Error.");
return;
}
Ref<ConfigFile> config;
config.instance();
if (FileAccess::exists(p_path + ".import")) {
config->load(p_path + ".import");
}
config->set_value("remap", "importer", "3d_texture");
config->set_value("remap", "type", "StreamTexture3D");
if (!config->has_section_key("params", "compress/mode")) {
config->set_value("params", "compress/mode", 3); //user may want another compression, so leave it be
}
config->set_value("params", "compress/channel_pack", 1);
config->set_value("params", "mipmaps/generate", false);
config->set_value("params", "slices/horizontal", 1);
config->set_value("params", "slices/vertical", bake_img->get_meta("depth"));
config->save(p_path + ".import");
Error err = bake_img->save_exr(p_path, false);
ERR_FAIL_COND(err);
ResourceLoader::import(p_path);
Ref<Texture> t = ResourceLoader::load(p_path); //if already loaded, it will be updated on refocus?
ERR_FAIL_COND(t.is_null());
col_sdf->set_texture(t);
}
}
void GPUParticlesCollisionSDFEditorPlugin::_bind_methods() {
}
GPUParticlesCollisionSDFEditorPlugin::GPUParticlesCollisionSDFEditorPlugin(EditorNode *p_node) {
editor = p_node;
bake_hb = memnew(HBoxContainer);
bake_hb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
bake_hb->hide();
bake = memnew(Button);
bake->set_flat(true);
bake->set_icon(editor->get_gui_base()->get_theme_icon("Bake", "EditorIcons"));
bake->set_text(TTR("Bake SDF"));
bake->connect("pressed", callable_mp(this, &GPUParticlesCollisionSDFEditorPlugin::_bake));
bake_hb->add_child(bake);
bake_info = memnew(Label);
bake_info->set_h_size_flags(Control::SIZE_EXPAND_FILL);
bake_info->set_clip_text(true);
bake_hb->add_child(bake_info);
add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, bake_hb);
col_sdf = nullptr;
probe_file = memnew(EditorFileDialog);
probe_file->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
probe_file->add_filter("*.exr");
probe_file->connect("file_selected", callable_mp(this, &GPUParticlesCollisionSDFEditorPlugin::_sdf_save_path_and_bake));
get_editor_interface()->get_base_control()->add_child(probe_file);
probe_file->set_title(TTR("Select path for SDF Texture"));
GPUParticlesCollisionSDF::bake_begin_function = bake_func_begin;
GPUParticlesCollisionSDF::bake_step_function = bake_func_step;
GPUParticlesCollisionSDF::bake_end_function = bake_func_end;
}
GPUParticlesCollisionSDFEditorPlugin::~GPUParticlesCollisionSDFEditorPlugin() {
}

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@ -0,0 +1,74 @@
/*************************************************************************/
/* gpu_particles_collision_sdf_editor_plugin.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GPU_PARTICLES_COLLISION_SDF_EDITOR_PLUGIN_H
#define GPU_PARTICLES_COLLISION_SDF_EDITOR_PLUGIN_H
#include "editor/editor_node.h"
#include "editor/editor_plugin.h"
#include "scene/3d/gpu_particles_collision_3d.h"
#include "scene/resources/material.h"
class GPUParticlesCollisionSDFEditorPlugin : public EditorPlugin {
GDCLASS(GPUParticlesCollisionSDFEditorPlugin, EditorPlugin);
GPUParticlesCollisionSDF *col_sdf;
HBoxContainer *bake_hb;
Label *bake_info;
Button *bake;
EditorNode *editor;
EditorFileDialog *probe_file;
static EditorProgress *tmp_progress;
static void bake_func_begin(int p_steps);
static void bake_func_step(int p_step, const String &p_description);
static void bake_func_end();
void _bake();
void _sdf_save_path_and_bake(const String &p_path);
protected:
static void _bind_methods();
void _notification(int p_what);
public:
virtual String get_name() const override { return "GPUParticlesCollisionSDF"; }
bool has_main_screen() const override { return false; }
virtual void edit(Object *p_object) override;
virtual bool handles(Object *p_object) const override;
virtual void make_visible(bool p_visible) override;
GPUParticlesCollisionSDFEditorPlugin(EditorNode *p_node);
~GPUParticlesCollisionSDFEditorPlugin();
};
#endif // GPU_PARTICLES_COLLISION_SDF_EDITOR_PLUGIN_H

View File

@ -6092,6 +6092,7 @@ void Node3DEditor::_register_all_gizmos() {
add_gizmo_plugin(Ref<VehicleWheel3DGizmoPlugin>(memnew(VehicleWheel3DGizmoPlugin)));
add_gizmo_plugin(Ref<VisibilityNotifier3DGizmoPlugin>(memnew(VisibilityNotifier3DGizmoPlugin)));
add_gizmo_plugin(Ref<GPUParticles3DGizmoPlugin>(memnew(GPUParticles3DGizmoPlugin)));
add_gizmo_plugin(Ref<GPUParticlesCollision3DGizmoPlugin>(memnew(GPUParticlesCollision3DGizmoPlugin)));
add_gizmo_plugin(Ref<CPUParticles3DGizmoPlugin>(memnew(CPUParticles3DGizmoPlugin)));
add_gizmo_plugin(Ref<ReflectionProbeGizmoPlugin>(memnew(ReflectionProbeGizmoPlugin)));
add_gizmo_plugin(Ref<DecalGizmoPlugin>(memnew(DecalGizmoPlugin)));

View File

@ -124,6 +124,11 @@ void GPUParticles3D::set_speed_scale(float p_scale) {
RS::get_singleton()->particles_set_speed_scale(particles, p_scale);
}
void GPUParticles3D::set_collision_base_size(float p_size) {
collision_base_size = p_size;
RS::get_singleton()->particles_set_collision_base_size(particles, p_size);
}
bool GPUParticles3D::is_emitting() const {
return RS::get_singleton()->particles_get_emitting(particles);
}
@ -168,6 +173,10 @@ float GPUParticles3D::get_speed_scale() const {
return speed_scale;
}
float GPUParticles3D::get_collision_base_size() const {
return collision_base_size;
}
void GPUParticles3D::set_draw_order(DrawOrder p_order) {
draw_order = p_order;
RS::get_singleton()->particles_set_draw_order(particles, RS::ParticlesDrawOrder(p_order));
@ -381,6 +390,7 @@ void GPUParticles3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &GPUParticles3D::set_fractional_delta);
ClassDB::bind_method(D_METHOD("set_process_material", "material"), &GPUParticles3D::set_process_material);
ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &GPUParticles3D::set_speed_scale);
ClassDB::bind_method(D_METHOD("set_collision_base_size", "size"), &GPUParticles3D::set_collision_base_size);
ClassDB::bind_method(D_METHOD("is_emitting"), &GPUParticles3D::is_emitting);
ClassDB::bind_method(D_METHOD("get_amount"), &GPUParticles3D::get_amount);
@ -395,6 +405,7 @@ void GPUParticles3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_fractional_delta"), &GPUParticles3D::get_fractional_delta);
ClassDB::bind_method(D_METHOD("get_process_material"), &GPUParticles3D::get_process_material);
ClassDB::bind_method(D_METHOD("get_speed_scale"), &GPUParticles3D::get_speed_scale);
ClassDB::bind_method(D_METHOD("get_collision_base_size"), &GPUParticles3D::get_collision_base_size);
ClassDB::bind_method(D_METHOD("set_draw_order", "order"), &GPUParticles3D::set_draw_order);
@ -426,6 +437,8 @@ void GPUParticles3D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_randomness_ratio", "get_randomness_ratio");
ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1"), "set_fixed_fps", "get_fixed_fps");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta");
ADD_GROUP("Collision", "collision_");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_base_size", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater"), "set_collision_base_size", "get_collision_base_size");
ADD_GROUP("Drawing", "");
ADD_PROPERTY(PropertyInfo(Variant::AABB, "visibility_aabb"), "set_visibility_aabb", "get_visibility_aabb");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "local_coords"), "set_use_local_coordinates", "get_use_local_coordinates");
@ -469,6 +482,7 @@ GPUParticles3D::GPUParticles3D() {
set_draw_passes(1);
set_draw_order(DRAW_ORDER_INDEX);
set_speed_scale(1);
set_collision_base_size(0.01);
}
GPUParticles3D::~GPUParticles3D() {

View File

@ -65,6 +65,7 @@ private:
int fixed_fps;
bool fractional_delta;
NodePath sub_emitter;
float collision_base_size;
Ref<Material> process_material;
@ -94,6 +95,7 @@ public:
void set_use_local_coordinates(bool p_enable);
void set_process_material(const Ref<Material> &p_material);
void set_speed_scale(float p_scale);
void set_collision_base_size(float p_ratio);
bool is_emitting() const;
int get_amount() const;
@ -106,6 +108,7 @@ public:
bool get_use_local_coordinates() const;
Ref<Material> get_process_material() const;
float get_speed_scale() const;
float get_collision_base_size() const;
void set_fixed_fps(int p_count);
int get_fixed_fps() const;

View File

@ -0,0 +1,897 @@
/*************************************************************************/
/* gpu_particles_collision_3d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "gpu_particles_collision_3d.h"
#include "core/thread_work_pool.h"
#include "mesh_instance_3d.h"
#include "scene/3d/camera_3d.h"
#include "scene/main/viewport.h"
void GPUParticlesCollision3D::set_cull_mask(uint32_t p_cull_mask) {
cull_mask = p_cull_mask;
RS::get_singleton()->particles_collision_set_cull_mask(collision, p_cull_mask);
}
uint32_t GPUParticlesCollision3D::get_cull_mask() const {
return cull_mask;
}
void GPUParticlesCollision3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_cull_mask", "mask"), &GPUParticlesCollision3D::set_cull_mask);
ClassDB::bind_method(D_METHOD("get_cull_mask"), &GPUParticlesCollision3D::get_cull_mask);
ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
}
GPUParticlesCollision3D::GPUParticlesCollision3D(RS::ParticlesCollisionType p_type) {
collision = RS::get_singleton()->particles_collision_create();
RS::get_singleton()->particles_collision_set_collision_type(collision, p_type);
set_base(collision);
}
GPUParticlesCollision3D::~GPUParticlesCollision3D() {
RS::get_singleton()->free(collision);
}
/////////////////////////////////
void GPUParticlesCollisionSphere::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &GPUParticlesCollisionSphere::set_radius);
ClassDB::bind_method(D_METHOD("get_radius"), &GPUParticlesCollisionSphere::get_radius);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_radius", "get_radius");
}
void GPUParticlesCollisionSphere::set_radius(float p_radius) {
radius = p_radius;
RS::get_singleton()->particles_collision_set_sphere_radius(_get_collision(), radius);
update_gizmo();
}
float GPUParticlesCollisionSphere::get_radius() const {
return radius;
}
AABB GPUParticlesCollisionSphere::get_aabb() const {
return AABB(Vector3(-radius, -radius, -radius), Vector3(radius * 2, radius * 2, radius * 2));
}
GPUParticlesCollisionSphere::GPUParticlesCollisionSphere() :
GPUParticlesCollision3D(RS::PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE) {
}
GPUParticlesCollisionSphere::~GPUParticlesCollisionSphere() {
}
///////////////////////////
void GPUParticlesCollisionBox::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesCollisionBox::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesCollisionBox::get_extents);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_extents", "get_extents");
}
void GPUParticlesCollisionBox::set_extents(const Vector3 &p_extents) {
extents = p_extents;
RS::get_singleton()->particles_collision_set_box_extents(_get_collision(), extents);
update_gizmo();
}
Vector3 GPUParticlesCollisionBox::get_extents() const {
return extents;
}
AABB GPUParticlesCollisionBox::get_aabb() const {
return AABB(-extents, extents * 2);
}
GPUParticlesCollisionBox::GPUParticlesCollisionBox() :
GPUParticlesCollision3D(RS::PARTICLES_COLLISION_TYPE_BOX_COLLIDE) {
}
GPUParticlesCollisionBox::~GPUParticlesCollisionBox() {
}
///////////////////////////////
///////////////////////////
void GPUParticlesCollisionSDF::_find_meshes(const AABB &p_aabb, Node *p_at_node, List<PlotMesh> &plot_meshes) {
MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(p_at_node);
if (mi && mi->is_visible_in_tree()) {
Ref<Mesh> mesh = mi->get_mesh();
if (mesh.is_valid()) {
AABB aabb = mesh->get_aabb();
Transform xf = get_global_transform().affine_inverse() * mi->get_global_transform();
if (p_aabb.intersects(xf.xform(aabb))) {
PlotMesh pm;
pm.local_xform = xf;
pm.mesh = mesh;
plot_meshes.push_back(pm);
}
}
}
Node3D *s = Object::cast_to<Node3D>(p_at_node);
if (s) {
if (s->is_visible_in_tree()) {
Array meshes = p_at_node->call("get_meshes");
for (int i = 0; i < meshes.size(); i += 2) {
Transform mxf = meshes[i];
Ref<Mesh> mesh = meshes[i + 1];
if (!mesh.is_valid()) {
continue;
}
AABB aabb = mesh->get_aabb();
Transform xf = get_global_transform().affine_inverse() * (s->get_global_transform() * mxf);
if (p_aabb.intersects(xf.xform(aabb))) {
PlotMesh pm;
pm.local_xform = xf;
pm.mesh = mesh;
plot_meshes.push_back(pm);
}
}
}
}
for (int i = 0; i < p_at_node->get_child_count(); i++) {
Node *child = p_at_node->get_child(i);
_find_meshes(p_aabb, child, plot_meshes);
}
}
uint32_t GPUParticlesCollisionSDF::_create_bvh(LocalVector<BVH> &bvh_tree, FacePos *p_faces, uint32_t p_face_count, const Face3 *p_triangles, float p_thickness) {
if (p_face_count == 1) {
return BVH::LEAF_BIT | p_faces[0].index;
}
uint32_t index = bvh_tree.size();
{
BVH bvh;
for (uint32_t i = 0; i < p_face_count; i++) {
const Face3 &f = p_triangles[p_faces[i].index];
AABB aabb(f.vertex[0], Vector3());
aabb.expand_to(f.vertex[1]);
aabb.expand_to(f.vertex[2]);
if (p_thickness > 0.0) {
Vector3 normal = p_triangles[p_faces[i].index].get_plane().normal;
aabb.expand_to(f.vertex[0] - normal * p_thickness);
aabb.expand_to(f.vertex[1] - normal * p_thickness);
aabb.expand_to(f.vertex[2] - normal * p_thickness);
}
if (i == 0) {
bvh.bounds = aabb;
} else {
bvh.bounds.merge_with(aabb);
}
}
bvh_tree.push_back(bvh);
}
uint32_t middle = p_face_count / 2;
SortArray<FacePos, FaceSort> s;
s.compare.axis = bvh_tree[index].bounds.get_longest_axis_index();
s.sort(p_faces, p_face_count);
uint32_t left = _create_bvh(bvh_tree, p_faces, middle, p_triangles, p_thickness);
uint32_t right = _create_bvh(bvh_tree, p_faces + middle, p_face_count - middle, p_triangles, p_thickness);
bvh_tree[index].children[0] = left;
bvh_tree[index].children[1] = right;
return index;
}
static _FORCE_INLINE_ float Vector3_dot2(const Vector3 &p_vec3) {
return p_vec3.dot(p_vec3);
}
void GPUParticlesCollisionSDF::_find_closest_distance(const Vector3 &p_pos, const BVH *bvh, uint32_t p_bvh_cell, const Face3 *triangles, float thickness, float &closest_distance) {
if (p_bvh_cell & BVH::LEAF_BIT) {
p_bvh_cell &= BVH::LEAF_MASK; //remove bit
Vector3 point = p_pos;
Plane p = triangles[p_bvh_cell].get_plane();
float d = p.distance_to(point);
float inside_d = 1e20;
if (d < 0 && d > -thickness) {
//inside planes, do this in 2D
Vector3 x_axis = (triangles[p_bvh_cell].vertex[0] - triangles[p_bvh_cell].vertex[1]).normalized();
Vector3 y_axis = p.normal.cross(x_axis).normalized();
Vector2 points[3];
for (int i = 0; i < 3; i++) {
points[i] = Vector2(x_axis.dot(triangles[p_bvh_cell].vertex[i]), y_axis.dot(triangles[p_bvh_cell].vertex[i]));
}
Vector2 p2d = Vector2(x_axis.dot(point), y_axis.dot(point));
{
// https://www.shadertoy.com/view/XsXSz4
Vector2 e0 = points[1] - points[0];
Vector2 e1 = points[2] - points[1];
Vector2 e2 = points[0] - points[2];
Vector2 v0 = p2d - points[0];
Vector2 v1 = p2d - points[1];
Vector2 v2 = p2d - points[2];
Vector2 pq0 = v0 - e0 * CLAMP(v0.dot(e0) / e0.dot(e0), 0.0, 1.0);
Vector2 pq1 = v1 - e1 * CLAMP(v1.dot(e1) / e1.dot(e1), 0.0, 1.0);
Vector2 pq2 = v2 - e2 * CLAMP(v2.dot(e2) / e2.dot(e2), 0.0, 1.0);
float s = SGN(e0.x * e2.y - e0.y * e2.x);
Vector2 d2 = Vector2(pq0.dot(pq0), s * (v0.x * e0.y - v0.y * e0.x)).min(Vector2(pq1.dot(pq1), s * (v1.x * e1.y - v1.y * e1.x))).min(Vector2(pq2.dot(pq2), s * (v2.x * e2.y - v2.y * e2.x)));
inside_d = -Math::sqrt(d2.x) * SGN(d2.y);
}
//make sure distance to planes is not shorter if inside
if (inside_d < 0) {
inside_d = MAX(inside_d, d);
inside_d = MAX(inside_d, -(thickness + d));
}
closest_distance = MIN(closest_distance, inside_d);
} else {
if (d < 0) {
point -= p.normal * thickness; //flatten
}
// https://iquilezles.org/www/articles/distfunctions/distfunctions.htm
Vector3 a = triangles[p_bvh_cell].vertex[0];
Vector3 b = triangles[p_bvh_cell].vertex[1];
Vector3 c = triangles[p_bvh_cell].vertex[2];
Vector3 ba = b - a;
Vector3 pa = point - a;
Vector3 cb = c - b;
Vector3 pb = point - b;
Vector3 ac = a - c;
Vector3 pc = point - c;
Vector3 nor = ba.cross(ac);
inside_d = Math::sqrt(
(SGN(ba.cross(nor).dot(pa)) +
SGN(cb.cross(nor).dot(pb)) +
SGN(ac.cross(nor).dot(pc)) <
2.0) ?
MIN(MIN(
Vector3_dot2(ba * CLAMP(ba.dot(pa) / Vector3_dot2(ba), 0.0, 1.0) - pa),
Vector3_dot2(cb * CLAMP(cb.dot(pb) / Vector3_dot2(cb), 0.0, 1.0) - pb)),
Vector3_dot2(ac * CLAMP(ac.dot(pc) / Vector3_dot2(ac), 0.0, 1.0) - pc)) :
nor.dot(pa) * nor.dot(pa) / Vector3_dot2(nor));
closest_distance = MIN(closest_distance, inside_d);
}
} else {
bool pass = true;
if (!bvh[p_bvh_cell].bounds.has_point(p_pos)) {
//outside, find closest point
Vector3 he = bvh[p_bvh_cell].bounds.size * 0.5;
Vector3 center = bvh[p_bvh_cell].bounds.position + he;
Vector3 rel = (p_pos - center).abs();
Vector3 closest(MIN(rel.x, he.x), MIN(rel.y, he.y), MIN(rel.z, he.z));
float d = rel.distance_to(closest);
if (d >= closest_distance) {
pass = false; //already closer than this aabb, discard
}
}
if (pass) {
_find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[0], triangles, thickness, closest_distance);
_find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[1], triangles, thickness, closest_distance);
}
}
}
void GPUParticlesCollisionSDF::_compute_sdf_z(uint32_t p_z, ComputeSDFParams *params) {
int32_t z_ofs = p_z * params->size.y * params->size.x;
for (int32_t y = 0; y < params->size.y; y++) {
int32_t y_ofs = z_ofs + y * params->size.x;
for (int32_t x = 0; x < params->size.x; x++) {
int32_t x_ofs = y_ofs + x;
float &cell = params->cells[x_ofs];
Vector3 pos = params->cell_offset + Vector3(x, y, p_z) * params->cell_size;
cell = 1e20;
_find_closest_distance(pos, params->bvh, 0, params->triangles, params->thickness, cell);
}
}
}
void GPUParticlesCollisionSDF::_compute_sdf(ComputeSDFParams *params) {
ThreadWorkPool work_pool;
work_pool.init();
work_pool.begin_work(params->size.z, this, &GPUParticlesCollisionSDF::_compute_sdf_z, params);
while (work_pool.get_work_index() < (uint32_t)params->size.z) {
OS::get_singleton()->delay_usec(10000);
bake_step_function(work_pool.get_work_index() * 100 / params->size.z, "Baking SDF");
}
work_pool.end_work();
work_pool.finish();
}
Vector3i GPUParticlesCollisionSDF::get_estimated_cell_size() const {
static const int subdivs[RESOLUTION_MAX] = { 16, 32, 64, 128, 256, 512 };
int subdiv = subdivs[get_resolution()];
AABB aabb(-extents, extents * 2);
float cell_size = aabb.get_longest_axis_size() / float(subdiv);
Vector3i sdf_size = Vector3i(aabb.size / cell_size);
sdf_size.x = MAX(1, sdf_size.x);
sdf_size.y = MAX(1, sdf_size.y);
sdf_size.z = MAX(1, sdf_size.z);
return sdf_size;
}
Ref<Image> GPUParticlesCollisionSDF::bake() {
static const int subdivs[RESOLUTION_MAX] = { 16, 32, 64, 128, 256, 512 };
int subdiv = subdivs[get_resolution()];
AABB aabb(-extents, extents * 2);
float cell_size = aabb.get_longest_axis_size() / float(subdiv);
Vector3i sdf_size = Vector3i(aabb.size / cell_size);
sdf_size.x = MAX(1, sdf_size.x);
sdf_size.y = MAX(1, sdf_size.y);
sdf_size.z = MAX(1, sdf_size.z);
if (bake_begin_function) {
bake_begin_function(100);
}
aabb.size = Vector3(sdf_size) * cell_size;
List<PlotMesh> plot_meshes;
_find_meshes(aabb, get_parent(), plot_meshes);
LocalVector<Face3> faces;
if (bake_step_function) {
bake_step_function(0, "Finding Meshes");
}
for (List<PlotMesh>::Element *E = plot_meshes.front(); E; E = E->next()) {
const PlotMesh &pm = E->get();
for (int i = 0; i < pm.mesh->get_surface_count(); i++) {
if (pm.mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
continue; //only triangles
}
Array a = pm.mesh->surface_get_arrays(i);
Vector<Vector3> vertices = a[Mesh::ARRAY_VERTEX];
const Vector3 *vr = vertices.ptr();
Vector<int> index = a[Mesh::ARRAY_INDEX];
if (index.size()) {
int facecount = index.size() / 3;
const int *ir = index.ptr();
for (int j = 0; j < facecount; j++) {
Face3 face;
for (int k = 0; k < 3; k++) {
face.vertex[k] = pm.local_xform.xform(vr[ir[j * 3 + k]]);
}
//test against original bounds
if (!Geometry3D::triangle_box_overlap(aabb.position + aabb.size * 0.5, aabb.size * 0.5, face.vertex)) {
continue;
}
faces.push_back(face);
}
} else {
int facecount = vertices.size() / 3;
for (int j = 0; j < facecount; j++) {
Face3 face;
for (int k = 0; k < 3; k++) {
face.vertex[k] = pm.local_xform.xform(vr[j * 3 + k]);
}
//test against original bounds
if (!Geometry3D::triangle_box_overlap(aabb.position + aabb.size * 0.5, aabb.size * 0.5, face.vertex)) {
continue;
}
faces.push_back(face);
}
}
}
}
//compute bvh
ERR_FAIL_COND_V(faces.size() <= 1, Ref<Image>());
LocalVector<FacePos> face_pos;
face_pos.resize(faces.size());
float th = cell_size * thickness;
for (uint32_t i = 0; i < faces.size(); i++) {
face_pos[i].index = i;
face_pos[i].center = (faces[i].vertex[0] + faces[i].vertex[1] + faces[i].vertex[2]) / 2;
if (th > 0.0) {
face_pos[i].center -= faces[i].get_plane().normal * th * 0.5;
}
}
if (bake_step_function) {
bake_step_function(0, "Creating BVH");
}
LocalVector<BVH> bvh;
_create_bvh(bvh, face_pos.ptr(), face_pos.size(), faces.ptr(), th);
Vector<uint8_t> data;
data.resize(sdf_size.z * sdf_size.y * sdf_size.x * sizeof(float));
if (bake_step_function) {
bake_step_function(0, "Baking SDF");
}
ComputeSDFParams params;
params.cells = (float *)data.ptrw();
params.size = sdf_size;
params.cell_size = cell_size;
params.cell_offset = aabb.position + Vector3(cell_size * 0.5, cell_size * 0.5, cell_size * 0.5);
params.bvh = bvh.ptr();
params.triangles = faces.ptr();
params.thickness = th;
_compute_sdf(&params);
Ref<Image> ret;
ret.instance();
ret->create(sdf_size.x, sdf_size.y * sdf_size.z, false, Image::FORMAT_RF, data);
ret->convert(Image::FORMAT_RH); //convert to half, save space
ret->set_meta("depth", sdf_size.z); //hack, make sure to add to the docs of this function
if (bake_end_function) {
bake_end_function();
}
return ret;
}
void GPUParticlesCollisionSDF::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesCollisionSDF::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesCollisionSDF::get_extents);
ClassDB::bind_method(D_METHOD("set_resolution", "resolution"), &GPUParticlesCollisionSDF::set_resolution);
ClassDB::bind_method(D_METHOD("get_resolution"), &GPUParticlesCollisionSDF::get_resolution);
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &GPUParticlesCollisionSDF::set_texture);
ClassDB::bind_method(D_METHOD("get_texture"), &GPUParticlesCollisionSDF::get_texture);
ClassDB::bind_method(D_METHOD("set_thickness", "thickness"), &GPUParticlesCollisionSDF::set_thickness);
ClassDB::bind_method(D_METHOD("get_thickness"), &GPUParticlesCollisionSDF::get_thickness);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_extents", "get_extents");
ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "16,32,64,128,256,512"), "set_resolution", "get_resolution");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "thickness", PROPERTY_HINT_RANGE, "0.0,2.0,0.01"), "set_thickness", "get_thickness");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture3D"), "set_texture", "get_texture");
BIND_ENUM_CONSTANT(RESOLUTION_16);
BIND_ENUM_CONSTANT(RESOLUTION_32);
BIND_ENUM_CONSTANT(RESOLUTION_64);
BIND_ENUM_CONSTANT(RESOLUTION_128);
BIND_ENUM_CONSTANT(RESOLUTION_256);
BIND_ENUM_CONSTANT(RESOLUTION_512);
BIND_ENUM_CONSTANT(RESOLUTION_MAX);
}
void GPUParticlesCollisionSDF::set_thickness(float p_thickness) {
thickness = p_thickness;
}
float GPUParticlesCollisionSDF::get_thickness() const {
return thickness;
}
void GPUParticlesCollisionSDF::set_extents(const Vector3 &p_extents) {
extents = p_extents;
RS::get_singleton()->particles_collision_set_box_extents(_get_collision(), extents);
update_gizmo();
}
Vector3 GPUParticlesCollisionSDF::get_extents() const {
return extents;
}
void GPUParticlesCollisionSDF::set_resolution(Resolution p_resolution) {
resolution = p_resolution;
update_gizmo();
}
GPUParticlesCollisionSDF::Resolution GPUParticlesCollisionSDF::get_resolution() const {
return resolution;
}
void GPUParticlesCollisionSDF::set_texture(const Ref<Texture3D> &p_texture) {
texture = p_texture;
RID tex = texture.is_valid() ? texture->get_rid() : RID();
RS::get_singleton()->particles_collision_set_field_texture(_get_collision(), tex);
}
Ref<Texture3D> GPUParticlesCollisionSDF::get_texture() const {
return texture;
}
AABB GPUParticlesCollisionSDF::get_aabb() const {
return AABB(-extents, extents * 2);
}
GPUParticlesCollisionSDF::BakeBeginFunc GPUParticlesCollisionSDF::bake_begin_function = nullptr;
GPUParticlesCollisionSDF::BakeStepFunc GPUParticlesCollisionSDF::bake_step_function = nullptr;
GPUParticlesCollisionSDF::BakeEndFunc GPUParticlesCollisionSDF::bake_end_function = nullptr;
GPUParticlesCollisionSDF::GPUParticlesCollisionSDF() :
GPUParticlesCollision3D(RS::PARTICLES_COLLISION_TYPE_SDF_COLLIDE) {
}
GPUParticlesCollisionSDF::~GPUParticlesCollisionSDF() {
}
////////////////////////////
////////////////////////////
void GPUParticlesCollisionHeightField::_notification(int p_what) {
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
if (update_mode == UPDATE_MODE_ALWAYS) {
RS::get_singleton()->particles_collision_height_field_update(_get_collision());
}
if (follow_camera_mode && get_viewport()) {
Camera3D *cam = get_viewport()->get_camera();
if (cam) {
Transform xform = get_global_transform();
Vector3 x_axis = xform.basis.get_axis(Vector3::AXIS_X).normalized();
Vector3 z_axis = xform.basis.get_axis(Vector3::AXIS_Z).normalized();
float x_len = xform.basis.get_scale().x;
float z_len = xform.basis.get_scale().z;
Vector3 cam_pos = cam->get_global_transform().origin;
Transform new_xform = xform;
while (x_axis.dot(cam_pos - new_xform.origin) > x_len) {
new_xform.origin += x_axis * x_len;
}
while (x_axis.dot(cam_pos - new_xform.origin) < -x_len) {
new_xform.origin -= x_axis * x_len;
}
while (z_axis.dot(cam_pos - new_xform.origin) > z_len) {
new_xform.origin += z_axis * z_len;
}
while (z_axis.dot(cam_pos - new_xform.origin) < -z_len) {
new_xform.origin -= z_axis * z_len;
}
if (new_xform != xform) {
set_global_transform(new_xform);
RS::get_singleton()->particles_collision_height_field_update(_get_collision());
}
}
}
}
if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
RS::get_singleton()->particles_collision_height_field_update(_get_collision());
}
}
void GPUParticlesCollisionHeightField::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesCollisionHeightField::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesCollisionHeightField::get_extents);
ClassDB::bind_method(D_METHOD("set_resolution", "resolution"), &GPUParticlesCollisionHeightField::set_resolution);
ClassDB::bind_method(D_METHOD("get_resolution"), &GPUParticlesCollisionHeightField::get_resolution);
ClassDB::bind_method(D_METHOD("set_update_mode", "update_mode"), &GPUParticlesCollisionHeightField::set_update_mode);
ClassDB::bind_method(D_METHOD("get_update_mode"), &GPUParticlesCollisionHeightField::get_update_mode);
ClassDB::bind_method(D_METHOD("set_follow_camera_mode", "enabled"), &GPUParticlesCollisionHeightField::set_follow_camera_mode);
ClassDB::bind_method(D_METHOD("is_follow_camera_mode_enabled"), &GPUParticlesCollisionHeightField::is_follow_camera_mode_enabled);
ClassDB::bind_method(D_METHOD("set_follow_camera_push_ratio", "ratio"), &GPUParticlesCollisionHeightField::set_follow_camera_push_ratio);
ClassDB::bind_method(D_METHOD("get_follow_camera_push_ratio"), &GPUParticlesCollisionHeightField::get_follow_camera_push_ratio);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_extents", "get_extents");
ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "256,512,1024,2048,4096,8192"), "set_resolution", "get_resolution");
ADD_PROPERTY(PropertyInfo(Variant::INT, "update_mode", PROPERTY_HINT_ENUM, "WhenMoved,Always"), "set_update_mode", "get_update_mode");
ADD_GROUP("Folow Camera", "follow_camera_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_camera_enabled"), "set_follow_camera_mode", "is_follow_camera_mode_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "follow_camera_push_ratio", PROPERTY_HINT_RANGE, "0.01,1,0.01"), "set_follow_camera_push_ratio", "get_follow_camera_push_ratio");
BIND_ENUM_CONSTANT(RESOLUTION_256);
BIND_ENUM_CONSTANT(RESOLUTION_512);
BIND_ENUM_CONSTANT(RESOLUTION_1024);
BIND_ENUM_CONSTANT(RESOLUTION_2048);
BIND_ENUM_CONSTANT(RESOLUTION_4096);
BIND_ENUM_CONSTANT(RESOLUTION_8192);
BIND_ENUM_CONSTANT(RESOLUTION_MAX);
}
void GPUParticlesCollisionHeightField::set_follow_camera_push_ratio(float p_follow_camera_push_ratio) {
follow_camera_push_ratio = p_follow_camera_push_ratio;
}
float GPUParticlesCollisionHeightField::get_follow_camera_push_ratio() const {
return follow_camera_push_ratio;
}
void GPUParticlesCollisionHeightField::set_extents(const Vector3 &p_extents) {
extents = p_extents;
RS::get_singleton()->particles_collision_set_box_extents(_get_collision(), extents);
update_gizmo();
RS::get_singleton()->particles_collision_height_field_update(_get_collision());
}
Vector3 GPUParticlesCollisionHeightField::get_extents() const {
return extents;
}
void GPUParticlesCollisionHeightField::set_resolution(Resolution p_resolution) {
resolution = p_resolution;
RS::get_singleton()->particles_collision_set_height_field_resolution(_get_collision(), RS::ParticlesCollisionHeightfieldResolution(resolution));
update_gizmo();
RS::get_singleton()->particles_collision_height_field_update(_get_collision());
}
GPUParticlesCollisionHeightField::Resolution GPUParticlesCollisionHeightField::get_resolution() const {
return resolution;
}
void GPUParticlesCollisionHeightField::set_update_mode(UpdateMode p_update_mode) {
update_mode = p_update_mode;
set_process_internal(follow_camera_mode || update_mode == UPDATE_MODE_ALWAYS);
}
GPUParticlesCollisionHeightField::UpdateMode GPUParticlesCollisionHeightField::get_update_mode() const {
return update_mode;
}
void GPUParticlesCollisionHeightField::set_follow_camera_mode(bool p_enabled) {
follow_camera_mode = p_enabled;
set_process_internal(follow_camera_mode || update_mode == UPDATE_MODE_ALWAYS);
}
bool GPUParticlesCollisionHeightField::is_follow_camera_mode_enabled() const {
return follow_camera_mode;
}
AABB GPUParticlesCollisionHeightField::get_aabb() const {
return AABB(-extents, extents * 2);
}
GPUParticlesCollisionHeightField::GPUParticlesCollisionHeightField() :
GPUParticlesCollision3D(RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE) {
}
GPUParticlesCollisionHeightField::~GPUParticlesCollisionHeightField() {
}
////////////////////////////
////////////////////////////
void GPUParticlesAttractor3D::set_cull_mask(uint32_t p_cull_mask) {
cull_mask = p_cull_mask;
RS::get_singleton()->particles_collision_set_cull_mask(collision, p_cull_mask);
}
uint32_t GPUParticlesAttractor3D::get_cull_mask() const {
return cull_mask;
}
void GPUParticlesAttractor3D::set_strength(float p_strength) {
strength = p_strength;
RS::get_singleton()->particles_collision_set_attractor_strength(collision, p_strength);
}
float GPUParticlesAttractor3D::get_strength() const {
return strength;
}
void GPUParticlesAttractor3D::set_attenuation(float p_attenuation) {
attenuation = p_attenuation;
RS::get_singleton()->particles_collision_set_attractor_attenuation(collision, p_attenuation);
}
float GPUParticlesAttractor3D::get_attenuation() const {
return attenuation;
}
void GPUParticlesAttractor3D::set_directionality(float p_directionality) {
directionality = p_directionality;
RS::get_singleton()->particles_collision_set_attractor_directionality(collision, p_directionality);
update_gizmo();
}
float GPUParticlesAttractor3D::get_directionality() const {
return directionality;
}
void GPUParticlesAttractor3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_cull_mask", "mask"), &GPUParticlesAttractor3D::set_cull_mask);
ClassDB::bind_method(D_METHOD("get_cull_mask"), &GPUParticlesAttractor3D::get_cull_mask);
ClassDB::bind_method(D_METHOD("set_strength", "strength"), &GPUParticlesAttractor3D::set_strength);
ClassDB::bind_method(D_METHOD("get_strength"), &GPUParticlesAttractor3D::get_strength);
ClassDB::bind_method(D_METHOD("set_attenuation", "attenuation"), &GPUParticlesAttractor3D::set_attenuation);
ClassDB::bind_method(D_METHOD("get_attenuation"), &GPUParticlesAttractor3D::get_attenuation);
ClassDB::bind_method(D_METHOD("set_directionality", "amount"), &GPUParticlesAttractor3D::set_directionality);
ClassDB::bind_method(D_METHOD("get_directionality"), &GPUParticlesAttractor3D::get_directionality);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "strength", PROPERTY_HINT_RANGE, "-128,128,0.01,or_greater,or_lesser"), "set_strength", "get_strength");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "attenuation", PROPERTY_HINT_EXP_EASING, "0,8,0.01"), "set_attenuation", "get_attenuation");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "directionality", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_directionality", "get_directionality");
ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
}
GPUParticlesAttractor3D::GPUParticlesAttractor3D(RS::ParticlesCollisionType p_type) {
collision = RS::get_singleton()->particles_collision_create();
RS::get_singleton()->particles_collision_set_collision_type(collision, p_type);
set_base(collision);
}
GPUParticlesAttractor3D::~GPUParticlesAttractor3D() {
RS::get_singleton()->free(collision);
}
/////////////////////////////////
void GPUParticlesAttractorSphere::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &GPUParticlesAttractorSphere::set_radius);
ClassDB::bind_method(D_METHOD("get_radius"), &GPUParticlesAttractorSphere::get_radius);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_radius", "get_radius");
}
void GPUParticlesAttractorSphere::set_radius(float p_radius) {
radius = p_radius;
RS::get_singleton()->particles_collision_set_sphere_radius(_get_collision(), radius);
update_gizmo();
}
float GPUParticlesAttractorSphere::get_radius() const {
return radius;
}
AABB GPUParticlesAttractorSphere::get_aabb() const {
return AABB(Vector3(-radius, -radius, -radius), Vector3(radius * 2, radius * 2, radius * 2));
}
GPUParticlesAttractorSphere::GPUParticlesAttractorSphere() :
GPUParticlesAttractor3D(RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT) {
}
GPUParticlesAttractorSphere::~GPUParticlesAttractorSphere() {
}
///////////////////////////
void GPUParticlesAttractorBox::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesAttractorBox::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesAttractorBox::get_extents);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_extents", "get_extents");
}
void GPUParticlesAttractorBox::set_extents(const Vector3 &p_extents) {
extents = p_extents;
RS::get_singleton()->particles_collision_set_box_extents(_get_collision(), extents);
update_gizmo();
}
Vector3 GPUParticlesAttractorBox::get_extents() const {
return extents;
}
AABB GPUParticlesAttractorBox::get_aabb() const {
return AABB(-extents, extents * 2);
}
GPUParticlesAttractorBox::GPUParticlesAttractorBox() :
GPUParticlesAttractor3D(RS::PARTICLES_COLLISION_TYPE_BOX_ATTRACT) {
}
GPUParticlesAttractorBox::~GPUParticlesAttractorBox() {
}
///////////////////////////
void GPUParticlesAttractorVectorField::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GPUParticlesAttractorVectorField::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GPUParticlesAttractorVectorField::get_extents);
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &GPUParticlesAttractorVectorField::set_texture);
ClassDB::bind_method(D_METHOD("get_texture"), &GPUParticlesAttractorVectorField::get_texture);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater"), "set_extents", "get_extents");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture3D"), "set_texture", "get_texture");
}
void GPUParticlesAttractorVectorField::set_extents(const Vector3 &p_extents) {
extents = p_extents;
RS::get_singleton()->particles_collision_set_box_extents(_get_collision(), extents);
update_gizmo();
}
Vector3 GPUParticlesAttractorVectorField::get_extents() const {
return extents;
}
void GPUParticlesAttractorVectorField::set_texture(const Ref<Texture3D> &p_texture) {
texture = p_texture;
RID tex = texture.is_valid() ? texture->get_rid() : RID();
RS::get_singleton()->particles_collision_set_field_texture(_get_collision(), tex);
}
Ref<Texture3D> GPUParticlesAttractorVectorField::get_texture() const {
return texture;
}
AABB GPUParticlesAttractorVectorField::get_aabb() const {
return AABB(-extents, extents * 2);
}
GPUParticlesAttractorVectorField::GPUParticlesAttractorVectorField() :
GPUParticlesAttractor3D(RS::PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT) {
}
GPUParticlesAttractorVectorField::~GPUParticlesAttractorVectorField() {
}

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@ -0,0 +1,342 @@
/*************************************************************************/
/* gpu_particles_collision_3d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GPU_PARTICLES_COLLISION_3D_H
#define GPU_PARTICLES_COLLISION_3D_H
#include "core/local_vector.h"
#include "core/rid.h"
#include "scene/3d/visual_instance_3d.h"
#include "scene/resources/material.h"
class GPUParticlesCollision3D : public VisualInstance3D {
GDCLASS(GPUParticlesCollision3D, VisualInstance3D);
uint32_t cull_mask = 0xFFFFFFFF;
RID collision;
protected:
_FORCE_INLINE_ RID _get_collision() { return collision; }
static void _bind_methods();
GPUParticlesCollision3D(RS::ParticlesCollisionType p_type);
public:
void set_cull_mask(uint32_t p_cull_mask);
uint32_t get_cull_mask() const;
virtual Vector<Face3> get_faces(uint32_t p_usage_flags) const override { return Vector<Face3>(); }
~GPUParticlesCollision3D();
};
class GPUParticlesCollisionSphere : public GPUParticlesCollision3D {
GDCLASS(GPUParticlesCollisionSphere, GPUParticlesCollision3D);
float radius = 1.0;
protected:
static void _bind_methods();
public:
void set_radius(float p_radius);
float get_radius() const;
virtual AABB get_aabb() const override;
GPUParticlesCollisionSphere();
~GPUParticlesCollisionSphere();
};
class GPUParticlesCollisionBox : public GPUParticlesCollision3D {
GDCLASS(GPUParticlesCollisionBox, GPUParticlesCollision3D);
Vector3 extents = Vector3(1, 1, 1);
protected:
static void _bind_methods();
public:
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
virtual AABB get_aabb() const override;
GPUParticlesCollisionBox();
~GPUParticlesCollisionBox();
};
class GPUParticlesCollisionSDF : public GPUParticlesCollision3D {
GDCLASS(GPUParticlesCollisionSDF, GPUParticlesCollision3D);
public:
enum Resolution {
RESOLUTION_16,
RESOLUTION_32,
RESOLUTION_64,
RESOLUTION_128,
RESOLUTION_256,
RESOLUTION_512,
RESOLUTION_MAX,
};
typedef void (*BakeBeginFunc)(int);
typedef void (*BakeStepFunc)(int, const String &);
typedef void (*BakeEndFunc)();
private:
Vector3 extents = Vector3(1, 1, 1);
Resolution resolution = RESOLUTION_64;
Ref<Texture3D> texture;
float thickness = 1.0;
struct PlotMesh {
Ref<Mesh> mesh;
Transform local_xform;
};
void _find_meshes(const AABB &p_aabb, Node *p_at_node, List<PlotMesh> &plot_meshes);
struct BVH {
enum {
LEAF_BIT = 1 << 30,
LEAF_MASK = LEAF_BIT - 1
};
AABB bounds;
uint32_t children[2];
};
struct FacePos {
Vector3 center;
uint32_t index;
};
struct FaceSort {
uint32_t axis;
bool operator()(const FacePos &p_left, const FacePos &p_right) const {
return p_left.center[axis] < p_right.center[axis];
}
};
uint32_t _create_bvh(LocalVector<BVH> &bvh_tree, FacePos *p_faces, uint32_t p_face_count, const Face3 *p_triangles, float p_thickness);
struct ComputeSDFParams {
float *cells;
Vector3i size;
float cell_size;
Vector3 cell_offset;
const BVH *bvh;
const Face3 *triangles;
float thickness;
};
void _find_closest_distance(const Vector3 &p_pos, const BVH *bvh, uint32_t p_bvh_cell, const Face3 *triangles, float thickness, float &closest_distance);
void _compute_sdf_z(uint32_t p_z, ComputeSDFParams *params);
void _compute_sdf(ComputeSDFParams *params);
protected:
static void _bind_methods();
public:
void set_thickness(float p_thickness);
float get_thickness() const;
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
void set_resolution(Resolution p_resolution);
Resolution get_resolution() const;
void set_texture(const Ref<Texture3D> &p_texture);
Ref<Texture3D> get_texture() const;
Vector3i get_estimated_cell_size() const;
Ref<Image> bake();
virtual AABB get_aabb() const override;
static BakeBeginFunc bake_begin_function;
static BakeStepFunc bake_step_function;
static BakeEndFunc bake_end_function;
GPUParticlesCollisionSDF();
~GPUParticlesCollisionSDF();
};
VARIANT_ENUM_CAST(GPUParticlesCollisionSDF::Resolution)
class GPUParticlesCollisionHeightField : public GPUParticlesCollision3D {
GDCLASS(GPUParticlesCollisionHeightField, GPUParticlesCollision3D);
public:
enum Resolution {
RESOLUTION_256,
RESOLUTION_512,
RESOLUTION_1024,
RESOLUTION_2048,
RESOLUTION_4096,
RESOLUTION_8192,
RESOLUTION_MAX,
};
enum UpdateMode {
UPDATE_MODE_WHEN_MOVED,
UPDATE_MODE_ALWAYS,
};
private:
Vector3 extents = Vector3(1, 1, 1);
Resolution resolution = RESOLUTION_1024;
bool follow_camera_mode = false;
float follow_camera_push_ratio = 0.1;
UpdateMode update_mode = UPDATE_MODE_WHEN_MOVED;
protected:
void _notification(int p_what);
static void _bind_methods();
public:
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
void set_resolution(Resolution p_resolution);
Resolution get_resolution() const;
void set_update_mode(UpdateMode p_update_mode);
UpdateMode get_update_mode() const;
void set_follow_camera_mode(bool p_enabled);
bool is_follow_camera_mode_enabled() const;
void set_follow_camera_push_ratio(float p_ratio);
float get_follow_camera_push_ratio() const;
virtual AABB get_aabb() const override;
GPUParticlesCollisionHeightField();
~GPUParticlesCollisionHeightField();
};
VARIANT_ENUM_CAST(GPUParticlesCollisionHeightField::Resolution)
VARIANT_ENUM_CAST(GPUParticlesCollisionHeightField::UpdateMode)
class GPUParticlesAttractor3D : public VisualInstance3D {
GDCLASS(GPUParticlesAttractor3D, VisualInstance3D);
uint32_t cull_mask = 0xFFFFFFFF;
RID collision;
float strength = 1.0;
float attenuation = 1.0;
float directionality = 0.0;
protected:
_FORCE_INLINE_ RID _get_collision() { return collision; }
static void _bind_methods();
GPUParticlesAttractor3D(RS::ParticlesCollisionType p_type);
public:
void set_cull_mask(uint32_t p_cull_mask);
uint32_t get_cull_mask() const;
void set_strength(float p_strength);
float get_strength() const;
void set_attenuation(float p_attenuation);
float get_attenuation() const;
void set_directionality(float p_directionality);
float get_directionality() const;
virtual Vector<Face3> get_faces(uint32_t p_usage_flags) const override { return Vector<Face3>(); }
~GPUParticlesAttractor3D();
};
class GPUParticlesAttractorSphere : public GPUParticlesAttractor3D {
GDCLASS(GPUParticlesAttractorSphere, GPUParticlesAttractor3D);
float radius = 1.0;
protected:
static void _bind_methods();
public:
void set_radius(float p_radius);
float get_radius() const;
virtual AABB get_aabb() const override;
GPUParticlesAttractorSphere();
~GPUParticlesAttractorSphere();
};
class GPUParticlesAttractorBox : public GPUParticlesAttractor3D {
GDCLASS(GPUParticlesAttractorBox, GPUParticlesAttractor3D);
Vector3 extents = Vector3(1, 1, 1);
protected:
static void _bind_methods();
public:
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
virtual AABB get_aabb() const override;
GPUParticlesAttractorBox();
~GPUParticlesAttractorBox();
};
class GPUParticlesAttractorVectorField : public GPUParticlesAttractor3D {
GDCLASS(GPUParticlesAttractorVectorField, GPUParticlesAttractor3D);
Vector3 extents = Vector3(1, 1, 1);
Ref<Texture3D> texture;
protected:
static void _bind_methods();
public:
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
void set_texture(const Ref<Texture3D> &p_texture);
Ref<Texture3D> get_texture() const;
virtual AABB get_aabb() const override;
GPUParticlesAttractorVectorField();
~GPUParticlesAttractorVectorField();
};
#endif // GPU_PARTICLES_COLLISION_3D_H

View File

@ -194,6 +194,7 @@
#include "scene/3d/decal.h"
#include "scene/3d/gi_probe.h"
#include "scene/3d/gpu_particles_3d.h"
#include "scene/3d/gpu_particles_collision_3d.h"
#include "scene/3d/immediate_geometry_3d.h"
#include "scene/3d/light_3d.h"
#include "scene/3d/lightmap_probe.h"
@ -450,6 +451,15 @@ void register_scene_types() {
ClassDB::register_class<LightmapProbe>();
ClassDB::register_virtual_class<Lightmapper>();
ClassDB::register_class<GPUParticles3D>();
ClassDB::register_virtual_class<GPUParticlesCollision3D>();
ClassDB::register_class<GPUParticlesCollisionBox>();
ClassDB::register_class<GPUParticlesCollisionSphere>();
ClassDB::register_class<GPUParticlesCollisionSDF>();
ClassDB::register_class<GPUParticlesCollisionHeightField>();
ClassDB::register_virtual_class<GPUParticlesAttractor3D>();
ClassDB::register_class<GPUParticlesAttractorBox>();
ClassDB::register_class<GPUParticlesAttractorSphere>();
ClassDB::register_class<GPUParticlesAttractorVectorField>();
ClassDB::register_class<CPUParticles3D>();
ClassDB::register_class<Position3D>();

View File

@ -98,6 +98,9 @@ void ParticlesMaterial::init_shaders() {
shader_names->sub_emitter_frequency = "sub_emitter_frequency";
shader_names->sub_emitter_amount_at_end = "sub_emitter_amount_at_end";
shader_names->sub_emitter_keep_velocity = "sub_emitter_keep_velocity";
shader_names->collision_friction = "collision_friction";
shader_names->collision_bounce = "collision_bounce";
}
void ParticlesMaterial::finish_shaders() {
@ -136,6 +139,10 @@ void ParticlesMaterial::_update_shader() {
String code = "shader_type particles;\n";
if (collision_scale) {
code += "render_mode collision_use_scale;\n";
}
code += "uniform vec3 direction;\n";
code += "uniform float spread;\n";
code += "uniform float flatness;\n";
@ -247,6 +254,11 @@ void ParticlesMaterial::_update_shader() {
code += "uniform sampler2D anim_offset_texture;\n";
}
if (collision_enabled) {
code += "uniform float collision_friction;\n";
code += "uniform float collision_bounce;\n";
}
//need a random function
code += "\n\n";
code += "float rand_from_seed(inout uint seed) {\n";
@ -476,6 +488,10 @@ void ParticlesMaterial::_update_shader() {
code += " vec3 crossDiff = cross(normalize(diff), normalize(gravity));\n";
code += " force += length(crossDiff) > 0.0 ? normalize(crossDiff) * ((tangent_accel + tex_tangent_accel) * mix(1.0, rand_from_seed(alt_seed), tangent_accel_random)) : vec3(0.0);\n";
}
if (attractor_interaction_enabled) {
code += " force += ATTRACTOR_FORCE;\n\n";
}
code += " // apply attractor forces\n";
code += " VELOCITY += force * DELTA;\n";
code += " // orbit velocity\n";
@ -599,6 +615,13 @@ void ParticlesMaterial::_update_shader() {
code += " VELOCITY.z = 0.0;\n";
code += " TRANSFORM[3].z = 0.0;\n";
}
if (collision_enabled) {
code += " if (COLLIDED) {\n";
code += " TRANSFORM[3].xyz+=COLLISION_NORMAL * COLLISION_DEPTH;\n";
code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n";
code += " VELOCITY = mix(VELOCITY,vec3(0.0),collision_friction * DELTA * 100.0);\n";
code += " }\n";
}
if (sub_emitter_mode != SUB_EMITTER_DISABLED) {
code += " int emit_count = 0;\n";
switch (sub_emitter_mode) {
@ -609,6 +632,7 @@ void ParticlesMaterial::_update_shader() {
} break;
case SUB_EMITTER_AT_COLLISION: {
//not implemented yet
code += " if (COLLIDED) emit_count = 1;\n";
} break;
case SUB_EMITTER_AT_END: {
//not implemented yet
@ -1072,6 +1096,51 @@ bool ParticlesMaterial::get_sub_emitter_keep_velocity() const {
return sub_emitter_keep_velocity;
}
void ParticlesMaterial::set_attractor_interaction_enabled(bool p_enable) {
attractor_interaction_enabled = p_enable;
_queue_shader_change();
}
bool ParticlesMaterial::is_attractor_interaction_enabled() const {
return attractor_interaction_enabled;
}
void ParticlesMaterial::set_collision_enabled(bool p_enabled) {
collision_enabled = p_enabled;
_queue_shader_change();
}
bool ParticlesMaterial::is_collision_enabled() const {
return collision_enabled;
}
void ParticlesMaterial::set_collision_use_scale(bool p_scale) {
collision_scale = p_scale;
_queue_shader_change();
}
bool ParticlesMaterial::is_collision_using_scale() const {
return collision_scale;
}
void ParticlesMaterial::set_collision_friction(float p_friction) {
collision_friction = p_friction;
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_friction, p_friction);
}
float ParticlesMaterial::get_collision_friction() const {
return collision_friction;
}
void ParticlesMaterial::set_collision_bounce(float p_bounce) {
collision_bounce = p_bounce;
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_bounce, p_bounce);
}
float ParticlesMaterial::get_collision_bounce() const {
return collision_bounce;
}
Shader::Mode ParticlesMaterial::get_shader_mode() const {
return Shader::MODE_PARTICLES;
}
@ -1143,6 +1212,21 @@ void ParticlesMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_sub_emitter_keep_velocity"), &ParticlesMaterial::get_sub_emitter_keep_velocity);
ClassDB::bind_method(D_METHOD("set_sub_emitter_keep_velocity", "enable"), &ParticlesMaterial::set_sub_emitter_keep_velocity);
ClassDB::bind_method(D_METHOD("set_attractor_interaction_enabled", "enabled"), &ParticlesMaterial::set_attractor_interaction_enabled);
ClassDB::bind_method(D_METHOD("is_attractor_interaction_enabled"), &ParticlesMaterial::is_attractor_interaction_enabled);
ClassDB::bind_method(D_METHOD("set_collision_enabled", "enabled"), &ParticlesMaterial::set_collision_enabled);
ClassDB::bind_method(D_METHOD("is_collision_enabled"), &ParticlesMaterial::is_collision_enabled);
ClassDB::bind_method(D_METHOD("set_collision_use_scale", "radius"), &ParticlesMaterial::set_collision_use_scale);
ClassDB::bind_method(D_METHOD("is_collision_using_scale"), &ParticlesMaterial::is_collision_using_scale);
ClassDB::bind_method(D_METHOD("set_collision_friction", "friction"), &ParticlesMaterial::set_collision_friction);
ClassDB::bind_method(D_METHOD("get_collision_friction"), &ParticlesMaterial::get_collision_friction);
ClassDB::bind_method(D_METHOD("set_collision_bounce", "bounce"), &ParticlesMaterial::set_collision_bounce);
ClassDB::bind_method(D_METHOD("get_collision_bounce"), &ParticlesMaterial::get_collision_bounce);
ADD_GROUP("Time", "");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness");
@ -1221,6 +1305,14 @@ void ParticlesMaterial::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_end", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_end", "get_sub_emitter_amount_at_end");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sub_emitter_keep_velocity"), "set_sub_emitter_keep_velocity", "get_sub_emitter_keep_velocity");
ADD_GROUP("Attractor Interaction", "attractor_interaction_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "attractor_interaction_enabled"), "set_attractor_interaction_enabled", "is_attractor_interaction_enabled");
ADD_GROUP("Collision", "collision_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collision_enabled"), "set_collision_enabled", "is_collision_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_friction", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_friction", "get_collision_friction");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_bounce", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_bounce", "get_collision_bounce");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collision_use_scale"), "set_collision_use_scale", "is_collision_using_scale");
BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY);
BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY);
BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY);
@ -1283,6 +1375,12 @@ ParticlesMaterial::ParticlesMaterial() :
set_sub_emitter_amount_at_end(1);
set_sub_emitter_keep_velocity(false);
set_attractor_interaction_enabled(true);
set_collision_enabled(true);
set_collision_bounce(0.0);
set_collision_friction(0.0);
set_collision_use_scale(false);
for (int i = 0; i < PARAM_MAX; i++) {
set_param_randomness(Parameter(i), 0);
}

View File

@ -37,11 +37,7 @@
/*
TODO:
-Path following
*Manual emission
-Sub Emitters
-Attractors
-Emitter positions deformable by bones
-Collision
-Proper trails
*/
@ -99,6 +95,9 @@ private:
uint32_t invalid_key : 1;
uint32_t has_emission_color : 1;
uint32_t sub_emitter : 2;
uint32_t attractor_enabled : 1;
uint32_t collision_enabled : 1;
uint32_t collision_scale : 1;
};
uint32_t key;
@ -135,6 +134,9 @@ private:
mk.emission_shape = emission_shape;
mk.has_emission_color = emission_shape >= EMISSION_SHAPE_POINTS && emission_color_texture.is_valid();
mk.sub_emitter = sub_emitter_mode;
mk.collision_enabled = collision_enabled;
mk.attractor_enabled = attractor_interaction_enabled;
mk.collision_scale = collision_scale;
return mk;
}
@ -201,6 +203,9 @@ private:
StringName sub_emitter_frequency;
StringName sub_emitter_amount_at_end;
StringName sub_emitter_keep_velocity;
StringName collision_friction;
StringName collision_bounce;
};
static ShaderNames *shader_names;
@ -244,6 +249,12 @@ private:
bool sub_emitter_keep_velocity;
//do not save emission points here
bool attractor_interaction_enabled;
bool collision_enabled;
bool collision_scale;
float collision_friction;
float collision_bounce;
protected:
static void _bind_methods();
virtual void _validate_property(PropertyInfo &property) const override;
@ -298,6 +309,21 @@ public:
void set_lifetime_randomness(float p_lifetime);
float get_lifetime_randomness() const;
void set_attractor_interaction_enabled(bool p_enable);
bool is_attractor_interaction_enabled() const;
void set_collision_enabled(bool p_enabled);
bool is_collision_enabled() const;
void set_collision_use_scale(bool p_scale);
bool is_collision_using_scale() const;
void set_collision_friction(float p_friction);
float get_collision_friction() const;
void set_collision_bounce(float p_bounce);
float get_collision_bounce() const;
static void init_shaders();
static void finish_shaders();
static void flush_changes();

View File

@ -299,6 +299,7 @@ public:
virtual void render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0;
virtual void render_sdfgi(RID p_render_buffers, int p_region, InstanceBase **p_cull_result, int p_cull_count) = 0;
virtual void render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count) = 0;
virtual void render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count) = 0;
virtual void set_scene_pass(uint64_t p_pass) = 0;
virtual void set_time(double p_time, double p_step) = 0;
@ -660,6 +661,7 @@ public:
virtual void particles_set_process_material(RID p_particles, RID p_material) = 0;
virtual void particles_set_fixed_fps(RID p_particles, int p_fps) = 0;
virtual void particles_set_fractional_delta(RID p_particles, bool p_enable) = 0;
virtual void particles_set_collision_base_size(RID p_particles, float p_size) = 0;
virtual void particles_restart(RID p_particles) = 0;
virtual void particles_emit(RID p_particles, const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) = 0;
virtual void particles_set_subemitter(RID p_particles, RID p_subemitter_particles) = 0;
@ -682,6 +684,28 @@ public:
virtual void particles_set_view_axis(RID p_particles, const Vector3 &p_axis) = 0;
virtual void particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) = 0;
virtual void particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) = 0;
virtual void update_particles() = 0;
/* PARTICLES COLLISION */
virtual RID particles_collision_create() = 0;
virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) = 0;
virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) = 0;
virtual void particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius) = 0; //for spheres
virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) = 0; //for non-spheres
virtual void particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength) = 0;
virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality) = 0;
virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve) = 0;
virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) = 0; //for SDF and vector field, heightfield is dynamic
virtual void particles_collision_height_field_update(RID p_particles_collision) = 0; //for SDF and vector field
virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) = 0; //for SDF and vector field
virtual AABB particles_collision_get_aabb(RID p_particles_collision) const = 0;
virtual bool particles_collision_is_heightfield(RID p_particles_collision) const = 0;
virtual RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const = 0;
/* GLOBAL VARIABLES */
virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) = 0;

View File

@ -2018,6 +2018,39 @@ void RasterizerSceneHighEndRD::_render_shadow(RID p_framebuffer, InstanceBase **
}
}
void RasterizerSceneHighEndRD::_render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count) {
RENDER_TIMESTAMP("Setup Render Collider Heightfield");
_update_render_base_uniform_set();
render_pass++;
scene_state.ubo.dual_paraboloid_side = 0;
_setup_environment(RID(), RID(), p_cam_projection, p_cam_transform, RID(), true, Vector2(1, 1), RID(), true, Color(), 0, p_cam_projection.get_z_far(), false, false);
render_list.clear();
PassMode pass_mode = PASS_MODE_SHADOW;
_fill_render_list(p_cull_result, p_cull_count, pass_mode);
_setup_view_dependant_uniform_set(RID(), RID(), nullptr, 0);
RENDER_TIMESTAMP("Render Collider Heightield");
render_list.sort_by_key(false);
_fill_instances(render_list.elements, render_list.element_count, true);
{
//regular forward for now
RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ);
_render_list(draw_list, RD::get_singleton()->framebuffer_get_format(p_fb), render_list.elements, render_list.element_count, false, pass_mode, true, RID(), RID());
RD::get_singleton()->draw_list_end();
}
}
void RasterizerSceneHighEndRD::_render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) {
RENDER_TIMESTAMP("Setup Rendering Material");

View File

@ -581,6 +581,7 @@ protected:
virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region);
virtual void _render_uv2(InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region);
virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, InstanceBase **p_cull_result, int p_cull_count, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture);
virtual void _render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count);
public:
virtual void set_time(double p_time, double p_step);

View File

@ -7511,6 +7511,23 @@ void RasterizerSceneRD::render_sdfgi(RID p_render_buffers, int p_region, Instanc
}
}
void RasterizerSceneRD::render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count) {
ERR_FAIL_COND(!storage->particles_collision_is_heightfield(p_collider));
Vector3 extents = storage->particles_collision_get_extents(p_collider) * p_transform.basis.get_scale();
CameraMatrix cm;
cm.set_orthogonal(-extents.x, extents.x, -extents.z, extents.z, 0, extents.y * 2.0);
Vector3 cam_pos = p_transform.origin;
cam_pos.y += extents.y;
Transform cam_xform;
cam_xform.set_look_at(cam_pos, cam_pos - p_transform.basis.get_axis(Vector3::AXIS_Y), -p_transform.basis.get_axis(Vector3::AXIS_Z).normalized());
RID fb = storage->particles_collision_get_heightfield_framebuffer(p_collider);
_render_particle_collider_heightfield(fb, cam_xform, cm, p_cull_result, p_cull_count);
}
void RasterizerSceneRD::render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count) {
RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
ERR_FAIL_COND(!rb);

View File

@ -112,6 +112,7 @@ protected:
virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0;
virtual void _render_uv2(InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0;
virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, InstanceBase **p_cull_result, int p_cull_count, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) = 0;
virtual void _render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count) = 0;
virtual void _debug_giprobe(RID p_gi_probe, RenderingDevice::DrawListID p_draw_list, RID p_framebuffer, const CameraMatrix &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha);
void _debug_sdfgi_probes(RID p_render_buffers, RD::DrawListID p_draw_list, RID p_framebuffer, const CameraMatrix &p_camera_with_transform);
@ -1876,6 +1877,8 @@ public:
void render_sdfgi(RID p_render_buffers, int p_region, InstanceBase **p_cull_result, int p_cull_count);
void render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count);
void render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count);
virtual void set_scene_pass(uint64_t p_pass) {
scene_pass = p_pass;
}

View File

@ -3333,6 +3333,10 @@ void RasterizerStorageRD::_particles_free_data(Particles *particles) {
particles->particles_transforms_buffer_uniform_set = RID();
particles->particle_buffer = RID();
if (RD::get_singleton()->uniform_set_is_valid(particles->collision_textures_uniform_set)) {
RD::get_singleton()->free(particles->collision_textures_uniform_set);
}
if (particles->particles_sort_buffer.is_valid()) {
RD::get_singleton()->free(particles->particles_sort_buffer);
particles->particles_sort_buffer = RID();
@ -3454,6 +3458,13 @@ void RasterizerStorageRD::particles_set_fractional_delta(RID p_particles, bool p
particles->fractional_delta = p_enable;
}
void RasterizerStorageRD::particles_set_collision_base_size(RID p_particles, float p_size) {
Particles *particles = particles_owner.getornull(p_particles);
ERR_FAIL_COND(!particles);
particles->collision_base_size = p_size;
}
void RasterizerStorageRD::particles_set_process_material(RID p_particles, RID p_material) {
Particles *particles = particles_owner.getornull(p_particles);
ERR_FAIL_COND(!particles);
@ -3646,6 +3657,22 @@ RID RasterizerStorageRD::particles_get_draw_pass_mesh(RID p_particles, int p_pas
return particles->draw_passes[p_pass];
}
void RasterizerStorageRD::particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) {
Particles *particles = particles_owner.getornull(p_particles);
ERR_FAIL_COND(!particles);
ERR_FAIL_COND(p_instance->base_type != RS::INSTANCE_PARTICLES_COLLISION);
particles->collisions.insert(p_instance);
}
void RasterizerStorageRD::particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) {
Particles *particles = particles_owner.getornull(p_particles);
ERR_FAIL_COND(!particles);
particles->collisions.erase(p_instance);
}
void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_delta) {
if (p_particles->particles_material_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(p_particles->particles_material_uniform_set)) {
Vector<RD::Uniform> uniforms;
@ -3729,6 +3756,195 @@ void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_del
frame_params.cycle = p_particles->cycle_number;
{ //collision and attractors
frame_params.collider_count = 0;
frame_params.attractor_count = 0;
frame_params.particle_size = p_particles->collision_base_size;
RID collision_3d_textures[ParticlesFrameParams::MAX_3D_TEXTURES];
RID collision_heightmap_texture;
Transform to_particles;
if (p_particles->use_local_coords) {
to_particles = p_particles->emission_transform.affine_inverse();
}
uint32_t collision_3d_textures_used = 0;
for (const Set<RasterizerScene::InstanceBase *>::Element *E = p_particles->collisions.front(); E; E = E->next()) {
ParticlesCollision *pc = particles_collision_owner.getornull(E->get()->base);
Transform to_collider = E->get()->transform;
if (p_particles->use_local_coords) {
to_collider = to_particles * to_collider;
}
Vector3 scale = to_collider.basis.get_scale();
to_collider.basis.orthonormalize();
if (pc->type <= RS::PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT) {
//attractor
if (frame_params.attractor_count >= ParticlesFrameParams::MAX_ATTRACTORS) {
continue;
}
ParticlesFrameParams::Attractor &attr = frame_params.attractors[frame_params.attractor_count];
store_transform(to_collider, attr.transform);
attr.strength = pc->attractor_strength;
attr.attenuation = pc->attractor_attenuation;
attr.directionality = pc->attractor_directionality;
switch (pc->type) {
case RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT: {
attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_SPHERE;
float radius = pc->radius;
radius *= (scale.x + scale.y + scale.z) / 3.0;
attr.extents[0] = radius;
attr.extents[1] = radius;
attr.extents[2] = radius;
} break;
case RS::PARTICLES_COLLISION_TYPE_BOX_ATTRACT: {
attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_BOX;
Vector3 extents = pc->extents * scale;
attr.extents[0] = extents.x;
attr.extents[1] = extents.y;
attr.extents[2] = extents.z;
} break;
case RS::PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT: {
if (collision_3d_textures_used >= ParticlesFrameParams::MAX_3D_TEXTURES) {
continue;
}
attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_VECTOR_FIELD;
Vector3 extents = pc->extents * scale;
attr.extents[0] = extents.x;
attr.extents[1] = extents.y;
attr.extents[2] = extents.z;
attr.texture_index = collision_3d_textures_used;
collision_3d_textures[collision_3d_textures_used] = pc->field_texture;
collision_3d_textures_used++;
} break;
default: {
}
}
frame_params.attractor_count++;
} else {
//collider
if (frame_params.collider_count >= ParticlesFrameParams::MAX_COLLIDERS) {
continue;
}
ParticlesFrameParams::Collider &col = frame_params.colliders[frame_params.collider_count];
store_transform(to_collider, col.transform);
switch (pc->type) {
case RS::PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE: {
col.type = ParticlesFrameParams::COLLISION_TYPE_SPHERE;
float radius = pc->radius;
radius *= (scale.x + scale.y + scale.z) / 3.0;
col.extents[0] = radius;
col.extents[1] = radius;
col.extents[2] = radius;
} break;
case RS::PARTICLES_COLLISION_TYPE_BOX_COLLIDE: {
col.type = ParticlesFrameParams::COLLISION_TYPE_BOX;
Vector3 extents = pc->extents * scale;
col.extents[0] = extents.x;
col.extents[1] = extents.y;
col.extents[2] = extents.z;
} break;
case RS::PARTICLES_COLLISION_TYPE_SDF_COLLIDE: {
if (collision_3d_textures_used >= ParticlesFrameParams::MAX_3D_TEXTURES) {
continue;
}
col.type = ParticlesFrameParams::COLLISION_TYPE_SDF;
Vector3 extents = pc->extents * scale;
col.extents[0] = extents.x;
col.extents[1] = extents.y;
col.extents[2] = extents.z;
col.texture_index = collision_3d_textures_used;
col.scale = (scale.x + scale.y + scale.z) * 0.333333333333; //non uniform scale non supported
collision_3d_textures[collision_3d_textures_used] = pc->field_texture;
collision_3d_textures_used++;
} break;
case RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE: {
if (collision_heightmap_texture != RID()) { //already taken
continue;
}
col.type = ParticlesFrameParams::COLLISION_TYPE_HEIGHT_FIELD;
Vector3 extents = pc->extents * scale;
col.extents[0] = extents.x;
col.extents[1] = extents.y;
col.extents[2] = extents.z;
collision_heightmap_texture = pc->heightfield_texture;
} break;
default: {
}
}
frame_params.collider_count++;
}
}
bool different = false;
if (collision_3d_textures_used == p_particles->collision_3d_textures_used) {
for (int i = 0; i < ParticlesFrameParams::MAX_3D_TEXTURES; i++) {
if (p_particles->collision_3d_textures[i] != collision_3d_textures[i]) {
different = true;
break;
}
}
}
if (collision_heightmap_texture != p_particles->collision_heightmap_texture) {
different = true;
}
bool uniform_set_valid = RD::get_singleton()->uniform_set_is_valid(p_particles->collision_textures_uniform_set);
if (different || !uniform_set_valid) {
if (uniform_set_valid) {
RD::get_singleton()->free(p_particles->collision_textures_uniform_set);
}
Vector<RD::Uniform> uniforms;
{
RD::Uniform u;
u.type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 0;
for (uint32_t i = 0; i < ParticlesFrameParams::MAX_3D_TEXTURES; i++) {
RID rd_tex;
if (i < collision_3d_textures_used) {
Texture *t = texture_owner.getornull(collision_3d_textures[i]);
if (t && t->type == Texture::TYPE_3D) {
rd_tex = t->rd_texture;
}
}
if (rd_tex == RID()) {
rd_tex = default_rd_textures[DEFAULT_RD_TEXTURE_3D_WHITE];
}
u.ids.push_back(rd_tex);
}
uniforms.push_back(u);
}
{
RD::Uniform u;
u.type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 1;
if (collision_heightmap_texture.is_valid()) {
u.ids.push_back(collision_heightmap_texture);
} else {
u.ids.push_back(default_rd_textures[DEFAULT_RD_TEXTURE_BLACK]);
}
uniforms.push_back(u);
}
p_particles->collision_textures_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 2);
}
}
ParticlesShader::PushConstant push_constant;
push_constant.clear = p_particles->clear;
@ -3783,8 +3999,10 @@ void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_del
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, m->shader_data->pipeline);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, particles_shader.base_uniform_set, 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->particles_material_uniform_set, 1);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->collision_textures_uniform_set, 2);
if (m->uniform_set.is_valid()) {
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, m->uniform_set, 2);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, m->uniform_set, 3);
}
RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ParticlesShader::PushConstant));
@ -4190,7 +4408,7 @@ void RasterizerStorageRD::ParticlesMaterialData::update_parameters(const Map<Str
}
}
uniform_set = RD::get_singleton()->uniform_set_create(uniforms, base_singleton->particles_shader.shader.version_get_shader(shader_data->version, 0), 2);
uniform_set = RD::get_singleton()->uniform_set_create(uniforms, base_singleton->particles_shader.shader.version_get_shader(shader_data->version, 0), 3);
}
RasterizerStorageRD::ParticlesMaterialData::~ParticlesMaterialData() {
@ -4211,6 +4429,171 @@ RasterizerStorageRD::MaterialData *RasterizerStorageRD::_create_particles_materi
return material_data;
}
////////
/* PARTICLES COLLISION API */
RID RasterizerStorageRD::particles_collision_create() {
return particles_collision_owner.make_rid(ParticlesCollision());
}
RID RasterizerStorageRD::particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND_V(!particles_collision, RID());
ERR_FAIL_COND_V(particles_collision->type != RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE, RID());
if (particles_collision->heightfield_texture == RID()) {
//create
int resolutions[RS::PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_MAX] = { 256, 512, 1024, 2048, 4096, 8192 };
Size2i size;
if (particles_collision->extents.x > particles_collision->extents.z) {
size.x = resolutions[particles_collision->heightfield_resolution];
size.y = int32_t(particles_collision->extents.z / particles_collision->extents.x * size.x);
} else {
size.y = resolutions[particles_collision->heightfield_resolution];
size.x = int32_t(particles_collision->extents.x / particles_collision->extents.z * size.y);
}
RD::TextureFormat tf;
tf.format = RD::DATA_FORMAT_D32_SFLOAT;
tf.width = size.x;
tf.height = size.y;
tf.type = RD::TEXTURE_TYPE_2D;
tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
particles_collision->heightfield_texture = RD::get_singleton()->texture_create(tf, RD::TextureView());
Vector<RID> fb_tex;
fb_tex.push_back(particles_collision->heightfield_texture);
particles_collision->heightfield_fb = RD::get_singleton()->framebuffer_create(fb_tex);
particles_collision->heightfield_fb_size = size;
}
return particles_collision->heightfield_fb;
}
void RasterizerStorageRD::particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
if (p_type == particles_collision->type) {
return;
}
if (particles_collision->heightfield_texture.is_valid()) {
RD::get_singleton()->free(particles_collision->heightfield_texture);
particles_collision->heightfield_texture = RID();
}
particles_collision->type = p_type;
particles_collision->instance_dependency.instance_notify_changed(true, false);
}
void RasterizerStorageRD::particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->cull_mask = p_cull_mask;
}
void RasterizerStorageRD::particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->radius = p_radius;
particles_collision->instance_dependency.instance_notify_changed(true, false);
}
void RasterizerStorageRD::particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->extents = p_extents;
particles_collision->instance_dependency.instance_notify_changed(true, false);
}
void RasterizerStorageRD::particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->attractor_strength = p_strength;
}
void RasterizerStorageRD::particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->attractor_directionality = p_directionality;
}
void RasterizerStorageRD::particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->attractor_attenuation = p_curve;
}
void RasterizerStorageRD::particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->field_texture = p_texture;
}
void RasterizerStorageRD::particles_collision_height_field_update(RID p_particles_collision) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
particles_collision->instance_dependency.instance_notify_changed(true, false);
}
void RasterizerStorageRD::particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND(!particles_collision);
if (particles_collision->heightfield_resolution == p_resolution) {
return;
}
particles_collision->heightfield_resolution = p_resolution;
if (particles_collision->heightfield_texture.is_valid()) {
RD::get_singleton()->free(particles_collision->heightfield_texture);
particles_collision->heightfield_texture = RID();
}
}
AABB RasterizerStorageRD::particles_collision_get_aabb(RID p_particles_collision) const {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND_V(!particles_collision, AABB());
switch (particles_collision->type) {
case RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT:
case RS::PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE: {
AABB aabb;
aabb.position = -Vector3(1, 1, 1) * particles_collision->radius;
aabb.size = Vector3(2, 2, 2) * particles_collision->radius;
return aabb;
}
default: {
AABB aabb;
aabb.position = -particles_collision->extents;
aabb.size = particles_collision->extents * 2;
return aabb;
}
}
return AABB();
}
Vector3 RasterizerStorageRD::particles_collision_get_extents(RID p_particles_collision) const {
const ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND_V(!particles_collision, Vector3());
return particles_collision->extents;
}
bool RasterizerStorageRD::particles_collision_is_heightfield(RID p_particles_collision) const {
const ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision);
ERR_FAIL_COND_V(!particles_collision, false);
return particles_collision->type == RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE;
}
/* SKELETON API */
RID RasterizerStorageRD::skeleton_create() {
@ -4680,6 +5063,9 @@ void RasterizerStorageRD::reflection_probe_set_extents(RID p_probe, const Vector
ReflectionProbe *reflection_probe = reflection_probe_owner.getornull(p_probe);
ERR_FAIL_COND(!reflection_probe);
if (reflection_probe->extents == p_extents) {
return;
}
reflection_probe->extents = p_extents;
reflection_probe->instance_dependency.instance_notify_changed(true, false);
}
@ -5797,6 +6183,9 @@ void RasterizerStorageRD::base_update_dependency(RID p_base, RasterizerScene::In
} else if (particles_owner.owns(p_base)) {
Particles *p = particles_owner.getornull(p_base);
p_instance->update_dependency(&p->instance_dependency);
} else if (particles_collision_owner.owns(p_base)) {
ParticlesCollision *pc = particles_collision_owner.getornull(p_base);
p_instance->update_dependency(&pc->instance_dependency);
}
}
@ -5832,6 +6221,9 @@ RS::InstanceType RasterizerStorageRD::get_base_type(RID p_rid) const {
if (particles_owner.owns(p_rid)) {
return RS::INSTANCE_PARTICLES;
}
if (particles_collision_owner.owns(p_rid)) {
return RS::INSTANCE_PARTICLES_COLLISION;
}
return RS::INSTANCE_NONE;
}
@ -6735,8 +7127,6 @@ void RasterizerStorageRD::update_dirty_resources() {
_update_dirty_multimeshes();
_update_dirty_skeletons();
_update_decal_atlas();
update_particles();
}
bool RasterizerStorageRD::has_os_feature(const String &p_feature) const {
@ -6871,6 +7261,14 @@ bool RasterizerStorageRD::free(RID p_rid) {
_particles_free_data(particles);
particles->instance_dependency.instance_notify_deleted(p_rid);
particles_owner.free(p_rid);
} else if (particles_collision_owner.owns(p_rid)) {
ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_rid);
if (particles_collision->heightfield_texture.is_valid()) {
RD::get_singleton()->free(particles_collision->heightfield_texture);
}
particles_collision->instance_dependency.instance_notify_deleted(p_rid);
particles_collision_owner.free(p_rid);
} else if (render_target_owner.owns(p_rid)) {
RenderTarget *rt = render_target_owner.getornull(p_rid);
@ -7379,14 +7777,19 @@ RasterizerStorageRD::RasterizerStorageRD() {
actions.renames["RESTART_COLOR"] = "restart_color";
actions.renames["RESTART_CUSTOM"] = "restart_custom";
actions.renames["emit_particle"] = "emit_particle";
actions.renames["COLLIDED"] = "collided";
actions.renames["COLLISION_NORMAL"] = "collision_normal";
actions.renames["COLLISION_DEPTH"] = "collision_depth";
actions.renames["ATTRACTOR_FORCE"] = "attractor_force";
actions.render_mode_defines["disable_force"] = "#define DISABLE_FORCE\n";
actions.render_mode_defines["disable_velocity"] = "#define DISABLE_VELOCITY\n";
actions.render_mode_defines["keep_data"] = "#define ENABLE_KEEP_DATA\n";
actions.render_mode_defines["collision_use_scale"] = "#define USE_COLLISON_SCALE\n";
actions.sampler_array_name = "material_samplers";
actions.base_texture_binding_index = 1;
actions.texture_layout_set = 2;
actions.texture_layout_set = 3;
actions.base_uniform_string = "material.";
actions.base_varying_index = 10;

View File

@ -475,6 +475,46 @@ private:
};
struct ParticlesFrameParams {
enum {
MAX_ATTRACTORS = 32,
MAX_COLLIDERS = 32,
MAX_3D_TEXTURES = 7
};
enum AttractorType {
ATTRACTOR_TYPE_SPHERE,
ATTRACTOR_TYPE_BOX,
ATTRACTOR_TYPE_VECTOR_FIELD,
};
struct Attractor {
float transform[16];
float extents[3]; //exents or radius
uint32_t type;
uint32_t texture_index; //texture index for vector field
float strength;
float attenuation;
float directionality;
};
enum CollisionType {
COLLISION_TYPE_SPHERE,
COLLISION_TYPE_BOX,
COLLISION_TYPE_SDF,
COLLISION_TYPE_HEIGHT_FIELD
};
struct Collider {
float transform[16];
float extents[3]; //exents or radius
uint32_t type;
uint32_t texture_index; //texture index for vector field
float scale;
uint32_t pad[2];
};
uint32_t emitting;
float system_phase;
float prev_system_phase;
@ -486,9 +526,14 @@ private:
float delta;
uint32_t random_seed;
uint32_t pad[3];
uint32_t attractor_count;
uint32_t collider_count;
float particle_size;
float emission_transform[16];
Attractor attractors[MAX_ATTRACTORS];
Collider colliders[MAX_COLLIDERS];
};
struct ParticleEmissionBufferData {
@ -536,6 +581,11 @@ private:
RID particles_material_uniform_set;
RID particles_copy_uniform_set;
RID particles_transforms_buffer_uniform_set;
RID collision_textures_uniform_set;
RID collision_3d_textures[ParticlesFrameParams::MAX_3D_TEXTURES];
uint32_t collision_3d_textures_used = 0;
RID collision_heightmap_texture;
RID particles_sort_buffer;
RID particles_sort_uniform_set;
@ -557,6 +607,7 @@ private:
int fixed_fps;
bool fractional_delta;
float frame_remainder;
float collision_base_size;
bool clear;
@ -569,6 +620,8 @@ private:
ParticleEmissionBuffer *emission_buffer = nullptr;
RID emission_storage_buffer;
Set<RasterizerScene::InstanceBase *> collisions;
Particles() :
inactive(true),
inactive_time(0.0),
@ -590,6 +643,7 @@ private:
fixed_fps(0),
fractional_delta(false),
frame_remainder(0),
collision_base_size(0.01),
clear(true) {
}
@ -704,6 +758,28 @@ private:
mutable RID_Owner<Particles> particles_owner;
/* Particles Collision */
struct ParticlesCollision {
RS::ParticlesCollisionType type = RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT;
uint32_t cull_mask = 0xFFFFFFFF;
float radius = 1.0;
Vector3 extents = Vector3(1, 1, 1);
float attractor_strength = 1.0;
float attractor_attenuation = 1.0;
float attractor_directionality = 0.0;
RID field_texture;
RID heightfield_texture;
RID heightfield_fb;
Size2i heightfield_fb_size;
RS::ParticlesCollisionHeightfieldResolution heightfield_resolution = RS::PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_1024;
RasterizerScene::InstanceDependency instance_dependency;
};
mutable RID_Owner<ParticlesCollision> particles_collision_owner;
/* Skeleton */
struct Skeleton {
@ -1691,6 +1767,7 @@ public:
void particles_set_process_material(RID p_particles, RID p_material);
void particles_set_fixed_fps(RID p_particles, int p_fps);
void particles_set_fractional_delta(RID p_particles, bool p_enable);
void particles_set_collision_base_size(RID p_particles, float p_size);
void particles_restart(RID p_particles);
void particles_emit(RID p_particles, const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags);
void particles_set_subemitter(RID p_particles, RID p_subemitter_particles);
@ -1748,6 +1825,27 @@ public:
return particles->particles_transforms_buffer_uniform_set;
}
virtual void particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance);
virtual void particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance);
/* PARTICLES COLLISION */
virtual RID particles_collision_create();
virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type);
virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask);
virtual void particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius); //for spheres
virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents); //for non-spheres
virtual void particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength);
virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality);
virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve);
virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture); //for SDF and vector field, heightfield is dynamic
virtual void particles_collision_height_field_update(RID p_particles_collision); //for SDF and vector field
virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution); //for SDF and vector field
virtual AABB particles_collision_get_aabb(RID p_particles_collision) const;
virtual Vector3 particles_collision_get_extents(RID p_particles_collision) const;
virtual bool particles_collision_is_heightfield(RID p_particles_collision) const;
RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const;
/* GLOBAL VARIABLES API */
virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value);

View File

@ -31,6 +31,40 @@ global_variables;
/* Set 1: FRAME AND PARTICLE DATA */
// a frame history is kept for trail deterministic behavior
#define MAX_ATTRACTORS 32
#define ATTRACTOR_TYPE_SPHERE 0
#define ATTRACTOR_TYPE_BOX 1
#define ATTRACTOR_TYPE_VECTOR_FIELD 2
struct Attractor {
mat4 transform;
vec3 extents; //exents or radius
uint type;
uint texture_index; //texture index for vector field
float strength;
float attenuation;
float directionality;
};
#define MAX_COLLIDERS 32
#define COLLIDER_TYPE_SPHERE 0
#define COLLIDER_TYPE_BOX 1
#define COLLIDER_TYPE_SDF 2
#define COLLIDER_TYPE_HEIGHT_FIELD 3
struct Collider {
mat4 transform;
vec3 extents; //exents or radius
uint type;
uint texture_index; //texture index for vector field
float scale;
uint pad[2];
};
struct FrameParams {
bool emitting;
float system_phase;
@ -43,9 +77,14 @@ struct FrameParams {
float delta;
uint random_seed;
uint pad[3];
uint attractor_count;
uint collider_count;
float particle_size;
mat4 emission_transform;
Attractor attractors[MAX_ATTRACTORS];
Collider colliders[MAX_COLLIDERS];
};
layout(set = 1, binding = 0, std430) restrict buffer FrameHistory {
@ -80,7 +119,7 @@ struct ParticleEmission {
vec4 custom;
};
layout(set = 1, binding = 2, std430) restrict volatile coherent buffer SourceEmission {
layout(set = 1, binding = 2, std430) restrict buffer SourceEmission {
int particle_count;
uint pad0;
uint pad1;
@ -89,7 +128,7 @@ layout(set = 1, binding = 2, std430) restrict volatile coherent buffer SourceEmi
}
src_particles;
layout(set = 1, binding = 3, std430) restrict volatile coherent buffer DestEmission {
layout(set = 1, binding = 3, std430) restrict buffer DestEmission {
int particle_count;
int particle_max;
uint pad1;
@ -98,10 +137,17 @@ layout(set = 1, binding = 3, std430) restrict volatile coherent buffer DestEmiss
}
dst_particles;
/* SET 2: MATERIAL */
/* SET 2: COLLIDER/ATTRACTOR TEXTURES */
#define MAX_3D_TEXTURES 7
layout(set = 2, binding = 0) uniform texture3D sdf_vec_textures[MAX_3D_TEXTURES];
layout(set = 2, binding = 1) uniform texture2D height_field_texture;
/* SET 3: MATERIAL */
#ifdef USE_MATERIAL_UNIFORMS
layout(set = 2, binding = 0, std140) uniform MaterialUniforms{
layout(set = 3, binding = 0, std140) uniform MaterialUniforms{
/* clang-format off */
MATERIAL_UNIFORMS
/* clang-format on */
@ -140,29 +186,7 @@ bool emit_particle(mat4 p_xform, vec3 p_velocity, vec4 p_color, vec4 p_custom, u
atomicAdd(dst_particles.particle_count, -1);
return false;
}
/*
valid = true;
int attempts = 256; // never trust compute
while(attempts-- > 0) {
dst_index = dst_particles.particle_count;
if (dst_index == dst_particles.particle_max) {
return false; //can't emit anymore
}
if (atomicCompSwap(dst_particles.particle_count, dst_index, dst_index +1 ) != dst_index) {
continue;
}
valid=true;
break;
}
barrier();
if (!valid) {
return false; //gave up (attempts exhausted)
}
*/
dst_particles.data[dst_index].xform = p_xform;
dst_particles.data[dst_index].velocity = p_velocity;
dst_particles.data[dst_index].color = p_color;
@ -217,6 +241,199 @@ void main() {
vec4(0.0, 0.0, 0.0, 1.0));
}
bool collided = false;
vec3 collision_normal = vec3(0.0);
float collision_depth = 0.0;
vec3 attractor_force = vec3(0.0);
#if !defined(DISABLE_VELOCITY)
if (PARTICLE.is_active) {
PARTICLE.xform[3].xyz += PARTICLE.velocity * local_delta;
}
#endif
/* Process physics if active */
if (PARTICLE.is_active) {
for (uint i = 0; i < FRAME.attractor_count; i++) {
vec3 dir;
float amount;
vec3 rel_vec = PARTICLE.xform[3].xyz - FRAME.attractors[i].transform[3].xyz;
vec3 local_pos = rel_vec * mat3(FRAME.attractors[i].transform);
switch (FRAME.attractors[i].type) {
case ATTRACTOR_TYPE_SPHERE: {
dir = normalize(rel_vec);
float d = length(local_pos) / FRAME.attractors[i].extents.x;
if (d > 1.0) {
continue;
}
amount = max(0.0, 1.0 - d);
} break;
case ATTRACTOR_TYPE_BOX: {
dir = normalize(rel_vec);
vec3 abs_pos = abs(local_pos / FRAME.attractors[i].extents);
float d = max(abs_pos.x, max(abs_pos.y, abs_pos.z));
if (d > 1.0) {
continue;
}
amount = max(0.0, 1.0 - d);
} break;
case ATTRACTOR_TYPE_VECTOR_FIELD: {
vec3 uvw_pos = (local_pos / FRAME.attractors[i].extents) * 2.0 - 1.0;
if (any(lessThan(uvw_pos, vec3(0.0))) || any(greaterThan(uvw_pos, vec3(1.0)))) {
continue;
}
vec3 s = texture(sampler3D(sdf_vec_textures[FRAME.attractors[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos).xyz;
dir = mat3(FRAME.attractors[i].transform) * normalize(s); //revert direction
amount = length(s);
} break;
}
amount = pow(amount, FRAME.attractors[i].attenuation);
dir = normalize(mix(dir, FRAME.attractors[i].transform[2].xyz, FRAME.attractors[i].directionality));
attractor_force -= amount * dir * FRAME.attractors[i].strength;
}
float particle_size = FRAME.particle_size;
#ifdef USE_COLLISON_SCALE
particle_size *= dot(vec3(length(PARTICLE.xform[0].xyz), length(PARTICLE.xform[1].xyz), length(PARTICLE.xform[2].xyz)), vec3(0.33333333333));
#endif
for (uint i = 0; i < FRAME.collider_count; i++) {
vec3 normal;
float depth;
bool col = false;
vec3 rel_vec = PARTICLE.xform[3].xyz - FRAME.colliders[i].transform[3].xyz;
vec3 local_pos = rel_vec * mat3(FRAME.colliders[i].transform);
switch (FRAME.colliders[i].type) {
case COLLIDER_TYPE_SPHERE: {
float d = length(rel_vec) - (particle_size + FRAME.colliders[i].extents.x);
if (d < 0.0) {
col = true;
depth = -d;
normal = normalize(rel_vec);
}
} break;
case COLLIDER_TYPE_BOX: {
vec3 abs_pos = abs(local_pos);
vec3 sgn_pos = sign(local_pos);
if (any(greaterThan(abs_pos, FRAME.colliders[i].extents))) {
//point outside box
vec3 closest = min(abs_pos, FRAME.colliders[i].extents);
vec3 rel = abs_pos - closest;
depth = length(rel) - particle_size;
if (depth < 0.0) {
col = true;
normal = mat3(FRAME.colliders[i].transform) * (normalize(rel) * sgn_pos);
depth = -depth;
}
} else {
//point inside box
vec3 axis_len = FRAME.colliders[i].extents - abs_pos;
// there has to be a faster way to do this?
if (all(lessThan(axis_len.xx, axis_len.yz))) {
normal = vec3(1, 0, 0);
} else if (all(lessThan(axis_len.yy, axis_len.xz))) {
normal = vec3(0, 1, 0);
} else {
normal = vec3(0, 0, 1);
}
col = true;
depth = dot(normal * axis_len, vec3(1)) + particle_size;
normal = mat3(FRAME.colliders[i].transform) * (normal * sgn_pos);
}
} break;
case COLLIDER_TYPE_SDF: {
vec3 apos = abs(local_pos);
float extra_dist = 0.0;
if (any(greaterThan(apos, FRAME.colliders[i].extents))) { //outside
vec3 mpos = min(apos, FRAME.colliders[i].extents);
extra_dist = distance(mpos, apos);
}
if (extra_dist > particle_size) {
continue;
}
vec3 uvw_pos = (local_pos / FRAME.colliders[i].extents) * 0.5 + 0.5;
float s = texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos).r;
s *= FRAME.colliders[i].scale;
s += extra_dist;
if (s < particle_size) {
col = true;
depth = particle_size - s;
const float EPSILON = 0.001;
normal = mat3(FRAME.colliders[i].transform) *
normalize(
vec3(
texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(EPSILON, 0.0, 0.0)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(EPSILON, 0.0, 0.0)).r,
texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(0.0, EPSILON, 0.0)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(0.0, EPSILON, 0.0)).r,
texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(0.0, 0.0, EPSILON)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(0.0, 0.0, EPSILON)).r));
}
} break;
case COLLIDER_TYPE_HEIGHT_FIELD: {
vec3 local_pos_bottom = local_pos;
local_pos_bottom.y -= particle_size;
if (any(greaterThan(abs(local_pos_bottom), FRAME.colliders[i].extents))) {
continue;
}
const float DELTA = 1.0 / 8192.0;
vec3 uvw_pos = vec3(local_pos_bottom / FRAME.colliders[i].extents) * 0.5 + 0.5;
float y = 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz).r;
if (y > uvw_pos.y) {
//inside heightfield
vec3 pos1 = (vec3(uvw_pos.x, y, uvw_pos.z) * 2.0 - 1.0) * FRAME.colliders[i].extents;
vec3 pos2 = (vec3(uvw_pos.x + DELTA, 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz + vec2(DELTA, 0)).r, uvw_pos.z) * 2.0 - 1.0) * FRAME.colliders[i].extents;
vec3 pos3 = (vec3(uvw_pos.x, 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz + vec2(0, DELTA)).r, uvw_pos.z + DELTA) * 2.0 - 1.0) * FRAME.colliders[i].extents;
normal = normalize(cross(pos1 - pos2, pos1 - pos3));
float local_y = (vec3(local_pos / FRAME.colliders[i].extents) * 0.5 + 0.5).y;
col = true;
depth = dot(normal, pos1) - dot(normal, local_pos_bottom);
}
} break;
}
if (col) {
if (!collided) {
collided = true;
collision_normal = normal;
collision_depth = depth;
} else {
vec3 c = collision_normal * collision_depth;
c += normal * max(0.0, depth - dot(normal, c));
collision_normal = normalize(c);
collision_depth = length(c);
}
}
}
}
if (params.sub_emitter_mode) {
if (!PARTICLE.is_active) {
int src_index = atomicAdd(src_particles.particle_count, -1) - 1;
@ -329,66 +546,4 @@ COMPUTE_SHADER_CODE
/* clang-format on */
}
#if !defined(DISABLE_VELOCITY)
if (PARTICLE.is_active) {
PARTICLE.xform[3].xyz += PARTICLE.velocity * local_delta;
}
#endif
#if 0
if (PARTICLE.is_active) {
//execute shader
//!defined(DISABLE_FORCE)
if (false) {
vec3 force = vec3(0.0);
for (int i = 0; i < attractor_count; i++) {
vec3 rel_vec = xform[3].xyz - attractors[i].pos;
float dist = length(rel_vec);
if (attractors[i].radius < dist)
continue;
if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
out_velocity_active.a = 0.0;
}
rel_vec = normalize(rel_vec);
float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
if (attractors[i].dir == vec3(0.0)) {
//towards center
force += attractors[i].strength * rel_vec * attenuation * mass;
} else {
force += attractors[i].strength * attractors[i].dir * attenuation * mass;
}
}
out_velocity_active.xyz += force * local_delta;
}
#if !defined(DISABLE_VELOCITY)
if (true) {
xform[3].xyz += out_velocity_active.xyz * local_delta;
}
#endif
} else {
xform = mat4(0.0);
}
xform = transpose(xform);
out_velocity_active.a = mix(0.0, 1.0, shader_active);
out_xform_1 = xform[0];
out_xform_2 = xform[1];
out_xform_3 = xform[2];
#endif
}

View File

@ -108,6 +108,9 @@ void RenderingServerRaster::draw(bool p_swap_buffers, double frame_step) {
RSG::scene->update_dirty_instances(); //update scene stuff
RSG::scene->render_particle_colliders();
RSG::storage->update_particles(); //need to be done after instances are updated (colliders and particle transforms), and colliders are rendered
RSG::scene->render_probes();
RSG::viewport->draw_viewports();
RSG::canvas_render->update();

View File

@ -452,6 +452,7 @@ public:
BIND1(particles_restart, RID)
BIND6(particles_emit, RID, const Transform &, const Vector3 &, const Color &, const Color &, uint32_t)
BIND2(particles_set_subemitter, RID, RID)
BIND2(particles_set_collision_base_size, RID, float)
BIND2(particles_set_draw_order, RID, RS::ParticlesDrawOrder)
@ -461,6 +462,21 @@ public:
BIND1R(AABB, particles_get_current_aabb, RID)
BIND2(particles_set_emission_transform, RID, const Transform &)
/* PARTICLES COLLISION */
BIND0R(RID, particles_collision_create)
BIND2(particles_collision_set_collision_type, RID, ParticlesCollisionType)
BIND2(particles_collision_set_cull_mask, RID, uint32_t)
BIND2(particles_collision_set_sphere_radius, RID, float)
BIND2(particles_collision_set_box_extents, RID, const Vector3 &)
BIND2(particles_collision_set_attractor_strength, RID, float)
BIND2(particles_collision_set_attractor_directionality, RID, float)
BIND2(particles_collision_set_attractor_attenuation, RID, float)
BIND2(particles_collision_set_field_texture, RID, RID)
BIND1(particles_collision_height_field_update, RID)
BIND2(particles_collision_set_height_field_resolution, RID, ParticlesCollisionHeightfieldResolution)
#undef BINDBASE
//from now on, calls forwarded to this singleton
#define BINDBASE RSG::scene

View File

@ -193,6 +193,8 @@ void *RenderingServerScene::_instance_pair(void *p_self, OctreeElementID, Instan
} else if (B->base_type == RS::INSTANCE_GI_PROBE && A->base_type == RS::INSTANCE_LIGHT) {
InstanceGIProbeData *gi_probe = static_cast<InstanceGIProbeData *>(B->base_data);
return gi_probe->lights.insert(A);
} else if (B->base_type == RS::INSTANCE_PARTICLES_COLLISION && A->base_type == RS::INSTANCE_PARTICLES) {
RSG::storage->particles_add_collision(A->base, B);
}
return nullptr;
@ -274,6 +276,8 @@ void RenderingServerScene::_instance_unpair(void *p_self, OctreeElementID, Insta
Set<Instance *>::Element *E = reinterpret_cast<Set<Instance *>::Element *>(udata);
gi_probe->lights.erase(E);
} else if (B->base_type == RS::INSTANCE_PARTICLES_COLLISION && A->base_type == RS::INSTANCE_PARTICLES) {
RSG::storage->particles_remove_collision(A->base, B);
}
}
@ -539,6 +543,9 @@ void RenderingServerScene::instance_set_scenario(RID p_instance, RID p_scenario)
RSG::scene_render->reflection_probe_release_atlas_index(reflection_probe->instance);
} break;
case RS::INSTANCE_PARTICLES_COLLISION: {
heightfield_particle_colliders_update_list.erase(instance);
} break;
case RS::INSTANCE_GI_PROBE: {
InstanceGIProbeData *gi_probe = static_cast<InstanceGIProbeData *>(instance->base_data);
@ -701,6 +708,12 @@ void RenderingServerScene::instance_set_visible(RID p_instance, bool p_visible)
instance->scenario->octree.set_pairable(instance->octree_id, p_visible, 1 << RS::INSTANCE_GI_PROBE, p_visible ? (RS::INSTANCE_GEOMETRY_MASK | (1 << RS::INSTANCE_LIGHT)) : 0);
}
} break;
case RS::INSTANCE_PARTICLES_COLLISION: {
if (instance->octree_id && instance->scenario) {
instance->scenario->octree.set_pairable(instance->octree_id, p_visible, 1 << RS::INSTANCE_PARTICLES_COLLISION, p_visible ? (1 << RS::INSTANCE_PARTICLES) : 0);
}
} break;
default: {
}
@ -1026,6 +1039,13 @@ void RenderingServerScene::_update_instance(Instance *p_instance) {
RSG::storage->particles_set_emission_transform(p_instance->base, p_instance->transform);
}
if (p_instance->base_type == RS::INSTANCE_PARTICLES_COLLISION) {
//remove materials no longer used and un-own them
if (RSG::storage->particles_collision_is_heightfield(p_instance->base)) {
heightfield_particle_colliders_update_list.insert(p_instance);
}
}
if (p_instance->aabb.has_no_surface()) {
return;
}
@ -1085,6 +1105,11 @@ void RenderingServerScene::_update_instance(Instance *p_instance) {
pairable = true;
}
if (p_instance->base_type == RS::INSTANCE_PARTICLES_COLLISION) {
pairable_mask = p_instance->visible ? (1 << RS::INSTANCE_PARTICLES) : 0;
pairable = true;
}
if (p_instance->base_type == RS::INSTANCE_GI_PROBE) {
//lights and geometries
pairable_mask = p_instance->visible ? RS::INSTANCE_GEOMETRY_MASK | (1 << RS::INSTANCE_LIGHT) : 0;
@ -1145,6 +1170,10 @@ void RenderingServerScene::_update_instance_aabb(Instance *p_instance) {
new_aabb = RSG::storage->particles_get_aabb(p_instance->base);
}
} break;
case RenderingServer::INSTANCE_PARTICLES_COLLISION: {
new_aabb = RSG::storage->particles_collision_get_aabb(p_instance->base);
} break;
case RenderingServer::INSTANCE_LIGHT: {
new_aabb = RSG::storage->light_get_aabb(p_instance->base);
@ -2679,6 +2708,27 @@ void RenderingServerScene::render_probes() {
}
}
void RenderingServerScene::render_particle_colliders() {
while (heightfield_particle_colliders_update_list.front()) {
Instance *hfpc = heightfield_particle_colliders_update_list.front()->get();
if (hfpc->scenario && hfpc->base_type == RS::INSTANCE_PARTICLES_COLLISION && RSG::storage->particles_collision_is_heightfield(hfpc->base)) {
//update heightfield
int cull_count = hfpc->scenario->octree.cull_aabb(hfpc->transformed_aabb, instance_cull_result, MAX_INSTANCE_CULL); //@TODO: cull mask missing
for (int i = 0; i < cull_count; i++) {
Instance *instance = instance_cull_result[i];
if (!instance->visible || !((1 << instance->base_type) & (RS::INSTANCE_GEOMETRY_MASK & (~(1 << RS::INSTANCE_PARTICLES))))) { //all but particles to avoid self collision
cull_count--;
SWAP(instance_cull_result[i], instance_cull_result[cull_count]);
}
}
RSG::scene_render->render_particle_collider_heightfield(hfpc->base, hfpc->transform, (RasterizerScene::InstanceBase **)instance_cull_result, cull_count);
}
heightfield_particle_colliders_update_list.erase(heightfield_particle_colliders_update_list.front());
}
}
void RenderingServerScene::_update_instance_shader_parameters_from_material(Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &isparams, const Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &existing_isparams, RID p_material) {
List<RasterizerStorage::InstanceShaderParam> plist;
RSG::storage->material_get_instance_shader_parameters(p_material, &plist);

View File

@ -385,6 +385,8 @@ public:
}
};
Set<Instance *> heightfield_particle_colliders_update_list;
int instance_cull_count;
Instance *instance_cull_result[MAX_INSTANCE_CULL];
Instance *instance_shadow_cull_result[MAX_INSTANCE_CULL]; //used for generating shadowmaps
@ -461,6 +463,7 @@ public:
void render_camera(RID p_render_buffers, Ref<XRInterface> &p_interface, XRInterface::Eyes p_eye, RID p_camera, RID p_scenario, Size2 p_viewport_size, RID p_shadow_atlas);
void update_dirty_instances();
void render_particle_colliders();
void render_probes();
TypedArray<Image> bake_render_uv2(RID p_base, const Vector<RID> &p_material_overrides, const Size2i &p_image_size);

View File

@ -124,6 +124,7 @@ void RenderingServerWrapMT::finish() {
gi_probe_free_cached_ids();
lightmap_free_cached_ids();
particles_free_cached_ids();
particles_collision_free_cached_ids();
camera_free_cached_ids();
viewport_free_cached_ids();
environment_free_cached_ids();

View File

@ -356,6 +356,8 @@ public:
FUNC2(particles_set_process_material, RID, RID)
FUNC2(particles_set_fixed_fps, RID, int)
FUNC2(particles_set_fractional_delta, RID, bool)
FUNC2(particles_set_collision_base_size, RID, float)
FUNC1R(bool, particles_is_inactive, RID)
FUNC1(particles_request_process, RID)
FUNC1(particles_restart, RID)
@ -371,6 +373,21 @@ public:
FUNC1R(AABB, particles_get_current_aabb, RID)
/* PARTICLES COLLISION */
FUNCRID(particles_collision)
FUNC2(particles_collision_set_collision_type, RID, ParticlesCollisionType)
FUNC2(particles_collision_set_cull_mask, RID, uint32_t)
FUNC2(particles_collision_set_sphere_radius, RID, float)
FUNC2(particles_collision_set_box_extents, RID, const Vector3 &)
FUNC2(particles_collision_set_attractor_strength, RID, float)
FUNC2(particles_collision_set_attractor_directionality, RID, float)
FUNC2(particles_collision_set_attractor_attenuation, RID, float)
FUNC2(particles_collision_set_field_texture, RID, RID)
FUNC1(particles_collision_height_field_update, RID)
FUNC2(particles_collision_set_height_field_resolution, RID, ParticlesCollisionHeightfieldResolution)
/* CAMERA API */
FUNCRID(camera)

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@ -295,6 +295,10 @@ ShaderTypes::ShaderTypes() {
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLIDED"] = constt(ShaderLanguage::TYPE_BOOL);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLISION_NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLISION_DEPTH"] = constt(ShaderLanguage::TYPE_FLOAT);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["ATTRACTOR_FORCE"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_PARTICLES].functions["compute"].can_discard = false;
{
@ -308,6 +312,7 @@ ShaderTypes::ShaderTypes() {
shader_modes[RS::SHADER_PARTICLES].functions["compute"].stage_functions["emit_particle"] = emit_vertex_func;
}
shader_modes[RS::SHADER_PARTICLES].modes.push_back("collision_use_scale");
shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_force");
shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_velocity");
shader_modes[RS::SHADER_PARTICLES].modes.push_back("keep_data");

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@ -578,6 +578,7 @@ public:
virtual void particles_set_process_material(RID p_particles, RID p_material) = 0;
virtual void particles_set_fixed_fps(RID p_particles, int p_fps) = 0;
virtual void particles_set_fractional_delta(RID p_particles, bool p_enable) = 0;
virtual void particles_set_collision_base_size(RID p_particles, float p_size) = 0;
virtual bool particles_is_inactive(RID p_particles) = 0;
virtual void particles_request_process(RID p_particles) = 0;
virtual void particles_restart(RID p_particles) = 0;
@ -609,6 +610,43 @@ public:
virtual void particles_set_emission_transform(RID p_particles, const Transform &p_transform) = 0; //this is only used for 2D, in 3D it's automatic
/* PARTICLES COLLISION API */
virtual RID particles_collision_create() = 0;
enum ParticlesCollisionType {
PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT,
PARTICLES_COLLISION_TYPE_BOX_ATTRACT,
PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT,
PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE,
PARTICLES_COLLISION_TYPE_BOX_COLLIDE,
PARTICLES_COLLISION_TYPE_SDF_COLLIDE,
PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE,
};
virtual void particles_collision_set_collision_type(RID p_particles_collision, ParticlesCollisionType p_type) = 0;
virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) = 0;
virtual void particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius) = 0; //for spheres
virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) = 0; //for non-spheres
virtual void particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength) = 0;
virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality) = 0;
virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve) = 0;
virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) = 0; //for SDF and vector field, heightfield is dynamic
virtual void particles_collision_height_field_update(RID p_particles_collision) = 0; //for SDF and vector field
enum ParticlesCollisionHeightfieldResolution { //longest axis resolution
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_256,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_512,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_1024,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_2048,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_4096,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_8192,
PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_MAX,
};
virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, ParticlesCollisionHeightfieldResolution p_resolution) = 0; //for SDF and vector field
/* CAMERA API */
virtual RID camera_create() = 0;
@ -965,6 +1003,7 @@ public:
INSTANCE_MULTIMESH,
INSTANCE_IMMEDIATE,
INSTANCE_PARTICLES,
INSTANCE_PARTICLES_COLLISION,
INSTANCE_LIGHT,
INSTANCE_REFLECTION_PROBE,
INSTANCE_DECAL,