464 lines
14 KiB
C++
464 lines
14 KiB
C++
/*************************************************************************/
|
|
/* gpu_particles_3d_editor_plugin.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 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_3d_editor_plugin.h"
|
|
|
|
#include "core/io/resource_loader.h"
|
|
#include "editor/plugins/node_3d_editor_plugin.h"
|
|
#include "scene/3d/cpu_particles_3d.h"
|
|
#include "scene/resources/particles_material.h"
|
|
|
|
bool GPUParticles3DEditorBase::_generate(Vector<Vector3> &points, Vector<Vector3> &normals) {
|
|
bool use_normals = emission_fill->get_selected() == 1;
|
|
|
|
if (emission_fill->get_selected() < 2) {
|
|
float area_accum = 0;
|
|
Map<float, int> triangle_area_map;
|
|
|
|
for (int i = 0; i < geometry.size(); i++) {
|
|
float area = geometry[i].get_area();
|
|
if (area < CMP_EPSILON) {
|
|
continue;
|
|
}
|
|
triangle_area_map[area_accum] = i;
|
|
area_accum += area;
|
|
}
|
|
|
|
if (!triangle_area_map.size() || area_accum == 0) {
|
|
EditorNode::get_singleton()->show_warning(TTR("The geometry's faces don't contain any area."));
|
|
return false;
|
|
}
|
|
|
|
int emissor_count = emission_amount->get_value();
|
|
|
|
for (int i = 0; i < emissor_count; i++) {
|
|
float areapos = Math::random(0.0f, area_accum);
|
|
|
|
Map<float, int>::Element *E = triangle_area_map.find_closest(areapos);
|
|
ERR_FAIL_COND_V(!E, false);
|
|
int index = E->get();
|
|
ERR_FAIL_INDEX_V(index, geometry.size(), false);
|
|
|
|
// ok FINALLY get face
|
|
Face3 face = geometry[index];
|
|
//now compute some position inside the face...
|
|
|
|
Vector3 pos = face.get_random_point_inside();
|
|
|
|
points.push_back(pos);
|
|
|
|
if (use_normals) {
|
|
Vector3 normal = face.get_plane().normal;
|
|
normals.push_back(normal);
|
|
}
|
|
}
|
|
} else {
|
|
int gcount = geometry.size();
|
|
|
|
if (gcount == 0) {
|
|
EditorNode::get_singleton()->show_warning(TTR("The geometry doesn't contain any faces."));
|
|
return false;
|
|
}
|
|
|
|
const Face3 *r = geometry.ptr();
|
|
|
|
AABB aabb;
|
|
|
|
for (int i = 0; i < gcount; i++) {
|
|
for (int j = 0; j < 3; j++) {
|
|
if (i == 0 && j == 0) {
|
|
aabb.position = r[i].vertex[j];
|
|
} else {
|
|
aabb.expand_to(r[i].vertex[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
int emissor_count = emission_amount->get_value();
|
|
|
|
for (int i = 0; i < emissor_count; i++) {
|
|
int attempts = 5;
|
|
|
|
for (int j = 0; j < attempts; j++) {
|
|
Vector3 dir;
|
|
dir[Math::rand() % 3] = 1.0;
|
|
Vector3 ofs = (Vector3(1, 1, 1) - dir) * Vector3(Math::randf(), Math::randf(), Math::randf()) * aabb.size + aabb.position;
|
|
|
|
Vector3 ofsv = ofs + aabb.size * dir;
|
|
|
|
//space it a little
|
|
ofs -= dir;
|
|
ofsv += dir;
|
|
|
|
float max = -1e7, min = 1e7;
|
|
|
|
for (int k = 0; k < gcount; k++) {
|
|
const Face3 &f3 = r[k];
|
|
|
|
Vector3 res;
|
|
if (f3.intersects_segment(ofs, ofsv, &res)) {
|
|
res -= ofs;
|
|
float d = dir.dot(res);
|
|
|
|
if (d < min) {
|
|
min = d;
|
|
}
|
|
if (d > max) {
|
|
max = d;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (max < min) {
|
|
continue; //lost attempt
|
|
}
|
|
|
|
float val = min + (max - min) * Math::randf();
|
|
|
|
Vector3 point = ofs + dir * val;
|
|
|
|
points.push_back(point);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void GPUParticles3DEditorBase::_node_selected(const NodePath &p_path) {
|
|
Node *sel = get_node(p_path);
|
|
if (!sel) {
|
|
return;
|
|
}
|
|
|
|
if (!sel->is_class("Node3D")) {
|
|
EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't inherit from Node3D."), sel->get_name()));
|
|
return;
|
|
}
|
|
|
|
VisualInstance3D *vi = Object::cast_to<VisualInstance3D>(sel);
|
|
if (!vi) {
|
|
EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't contain geometry."), sel->get_name()));
|
|
return;
|
|
}
|
|
|
|
geometry = vi->get_faces(VisualInstance3D::FACES_SOLID);
|
|
|
|
if (geometry.size() == 0) {
|
|
EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't contain face geometry."), sel->get_name()));
|
|
return;
|
|
}
|
|
|
|
Transform3D geom_xform = base_node->get_global_transform().affine_inverse() * vi->get_global_transform();
|
|
|
|
int gc = geometry.size();
|
|
Face3 *w = geometry.ptrw();
|
|
|
|
for (int i = 0; i < gc; i++) {
|
|
for (int j = 0; j < 3; j++) {
|
|
w[i].vertex[j] = geom_xform.xform(w[i].vertex[j]);
|
|
}
|
|
}
|
|
|
|
emission_dialog->popup_centered(Size2(300, 130));
|
|
}
|
|
|
|
void GPUParticles3DEditorBase::_bind_methods() {
|
|
}
|
|
|
|
GPUParticles3DEditorBase::GPUParticles3DEditorBase() {
|
|
emission_dialog = memnew(ConfirmationDialog);
|
|
emission_dialog->set_title(TTR("Create Emitter"));
|
|
add_child(emission_dialog);
|
|
VBoxContainer *emd_vb = memnew(VBoxContainer);
|
|
emission_dialog->add_child(emd_vb);
|
|
|
|
emission_amount = memnew(SpinBox);
|
|
emission_amount->set_min(1);
|
|
emission_amount->set_max(100000);
|
|
emission_amount->set_value(512);
|
|
emd_vb->add_margin_child(TTR("Emission Points:"), emission_amount);
|
|
|
|
emission_fill = memnew(OptionButton);
|
|
emission_fill->add_item(TTR("Surface Points"));
|
|
emission_fill->add_item(TTR("Surface Points+Normal (Directed)"));
|
|
emission_fill->add_item(TTR("Volume"));
|
|
emd_vb->add_margin_child(TTR("Emission Source: "), emission_fill);
|
|
|
|
emission_dialog->get_ok_button()->set_text(TTR("Create"));
|
|
emission_dialog->connect("confirmed", callable_mp(this, &GPUParticles3DEditorBase::_generate_emission_points));
|
|
|
|
emission_tree_dialog = memnew(SceneTreeDialog);
|
|
add_child(emission_tree_dialog);
|
|
emission_tree_dialog->connect("selected", callable_mp(this, &GPUParticles3DEditorBase::_node_selected));
|
|
}
|
|
|
|
void GPUParticles3DEditor::_node_removed(Node *p_node) {
|
|
if (p_node == node) {
|
|
node = nullptr;
|
|
hide();
|
|
}
|
|
}
|
|
|
|
void GPUParticles3DEditor::_notification(int p_notification) {
|
|
if (p_notification == NOTIFICATION_ENTER_TREE) {
|
|
options->set_icon(options->get_popup()->get_theme_icon(SNAME("GPUParticles3D"), SNAME("EditorIcons")));
|
|
get_tree()->connect("node_removed", callable_mp(this, &GPUParticles3DEditor::_node_removed));
|
|
}
|
|
}
|
|
|
|
void GPUParticles3DEditor::_menu_option(int p_option) {
|
|
switch (p_option) {
|
|
case MENU_OPTION_GENERATE_AABB: {
|
|
float gen_time = node->get_lifetime();
|
|
|
|
if (gen_time < 1.0) {
|
|
generate_seconds->set_value(1.0);
|
|
} else {
|
|
generate_seconds->set_value(trunc(gen_time) + 1.0);
|
|
}
|
|
generate_aabb->popup_centered();
|
|
} break;
|
|
case MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE: {
|
|
Ref<ParticlesMaterial> material = node->get_process_material();
|
|
if (material.is_null()) {
|
|
EditorNode::get_singleton()->show_warning(TTR("A processor material of type 'ParticlesMaterial' is required."));
|
|
return;
|
|
}
|
|
|
|
emission_tree_dialog->popup_scenetree_dialog();
|
|
|
|
} break;
|
|
case MENU_OPTION_CONVERT_TO_CPU_PARTICLES: {
|
|
CPUParticles3D *cpu_particles = memnew(CPUParticles3D);
|
|
cpu_particles->convert_from_particles(node);
|
|
cpu_particles->set_name(node->get_name());
|
|
cpu_particles->set_transform(node->get_transform());
|
|
cpu_particles->set_visible(node->is_visible());
|
|
cpu_particles->set_process_mode(node->get_process_mode());
|
|
|
|
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
|
|
ur->create_action(TTR("Convert to CPUParticles3D"));
|
|
ur->add_do_method(EditorNode::get_singleton()->get_scene_tree_dock(), "replace_node", node, cpu_particles, true, false);
|
|
ur->add_do_reference(cpu_particles);
|
|
ur->add_undo_method(EditorNode::get_singleton()->get_scene_tree_dock(), "replace_node", cpu_particles, node, false, false);
|
|
ur->add_undo_reference(node);
|
|
ur->commit_action();
|
|
|
|
} break;
|
|
case MENU_OPTION_RESTART: {
|
|
node->restart();
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void GPUParticles3DEditor::_generate_aabb() {
|
|
double time = generate_seconds->get_value();
|
|
|
|
double running = 0.0;
|
|
|
|
EditorProgress ep("gen_aabb", TTR("Generating AABB"), int(time));
|
|
|
|
bool was_emitting = node->is_emitting();
|
|
if (!was_emitting) {
|
|
node->set_emitting(true);
|
|
OS::get_singleton()->delay_usec(1000);
|
|
}
|
|
|
|
AABB rect;
|
|
|
|
while (running < time) {
|
|
uint64_t ticks = OS::get_singleton()->get_ticks_usec();
|
|
ep.step("Generating...", int(running), true);
|
|
OS::get_singleton()->delay_usec(1000);
|
|
|
|
AABB capture = node->capture_aabb();
|
|
if (rect == AABB()) {
|
|
rect = capture;
|
|
} else {
|
|
rect.merge_with(capture);
|
|
}
|
|
|
|
running += (OS::get_singleton()->get_ticks_usec() - ticks) / 1000000.0;
|
|
}
|
|
|
|
if (!was_emitting) {
|
|
node->set_emitting(false);
|
|
}
|
|
|
|
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
|
|
ur->create_action(TTR("Generate Visibility AABB"));
|
|
ur->add_do_method(node, "set_visibility_aabb", rect);
|
|
ur->add_undo_method(node, "set_visibility_aabb", node->get_visibility_aabb());
|
|
ur->commit_action();
|
|
}
|
|
|
|
void GPUParticles3DEditor::edit(GPUParticles3D *p_particles) {
|
|
base_node = p_particles;
|
|
node = p_particles;
|
|
}
|
|
|
|
void GPUParticles3DEditor::_generate_emission_points() {
|
|
/// hacer codigo aca
|
|
Vector<Vector3> points;
|
|
Vector<Vector3> normals;
|
|
|
|
if (!_generate(points, normals)) {
|
|
return;
|
|
}
|
|
|
|
int point_count = points.size();
|
|
|
|
int w = 2048;
|
|
int h = (point_count / 2048) + 1;
|
|
|
|
Vector<uint8_t> point_img;
|
|
point_img.resize(w * h * 3 * sizeof(float));
|
|
|
|
{
|
|
uint8_t *iw = point_img.ptrw();
|
|
memset(iw, 0, w * h * 3 * sizeof(float));
|
|
const Vector3 *r = points.ptr();
|
|
float *wf = (float *)iw;
|
|
for (int i = 0; i < point_count; i++) {
|
|
wf[i * 3 + 0] = r[i].x;
|
|
wf[i * 3 + 1] = r[i].y;
|
|
wf[i * 3 + 2] = r[i].z;
|
|
}
|
|
}
|
|
|
|
Ref<Image> image = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img));
|
|
|
|
Ref<ImageTexture> tex;
|
|
tex.instantiate();
|
|
|
|
Ref<ParticlesMaterial> material = node->get_process_material();
|
|
ERR_FAIL_COND(material.is_null());
|
|
|
|
if (normals.size() > 0) {
|
|
material->set_emission_shape(ParticlesMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
material->set_emission_point_count(point_count);
|
|
material->set_emission_point_texture(tex);
|
|
|
|
Vector<uint8_t> point_img2;
|
|
point_img2.resize(w * h * 3 * sizeof(float));
|
|
|
|
{
|
|
uint8_t *iw = point_img2.ptrw();
|
|
memset(iw, 0, w * h * 3 * sizeof(float));
|
|
const Vector3 *r = normals.ptr();
|
|
float *wf = (float *)iw;
|
|
for (int i = 0; i < point_count; i++) {
|
|
wf[i * 3 + 0] = r[i].x;
|
|
wf[i * 3 + 1] = r[i].y;
|
|
wf[i * 3 + 2] = r[i].z;
|
|
}
|
|
}
|
|
|
|
Ref<Image> image2 = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img2));
|
|
|
|
Ref<ImageTexture> tex2;
|
|
tex2.instantiate();
|
|
|
|
material->set_emission_normal_texture(tex2);
|
|
} else {
|
|
material->set_emission_shape(ParticlesMaterial::EMISSION_SHAPE_POINTS);
|
|
material->set_emission_point_count(point_count);
|
|
material->set_emission_point_texture(tex);
|
|
}
|
|
}
|
|
|
|
void GPUParticles3DEditor::_bind_methods() {
|
|
}
|
|
|
|
GPUParticles3DEditor::GPUParticles3DEditor() {
|
|
node = nullptr;
|
|
particles_editor_hb = memnew(HBoxContainer);
|
|
Node3DEditor::get_singleton()->add_control_to_menu_panel(particles_editor_hb);
|
|
options = memnew(MenuButton);
|
|
options->set_switch_on_hover(true);
|
|
particles_editor_hb->add_child(options);
|
|
particles_editor_hb->hide();
|
|
|
|
options->set_text(TTR("GPUParticles3D"));
|
|
options->get_popup()->add_item(TTR("Restart"), MENU_OPTION_RESTART);
|
|
options->get_popup()->add_item(TTR("Generate AABB"), MENU_OPTION_GENERATE_AABB);
|
|
options->get_popup()->add_item(TTR("Create Emission Points From Node"), MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE);
|
|
options->get_popup()->add_item(TTR("Convert to CPUParticles3D"), MENU_OPTION_CONVERT_TO_CPU_PARTICLES);
|
|
|
|
options->get_popup()->connect("id_pressed", callable_mp(this, &GPUParticles3DEditor::_menu_option));
|
|
|
|
generate_aabb = memnew(ConfirmationDialog);
|
|
generate_aabb->set_title(TTR("Generate Visibility AABB"));
|
|
VBoxContainer *genvb = memnew(VBoxContainer);
|
|
generate_aabb->add_child(genvb);
|
|
generate_seconds = memnew(SpinBox);
|
|
genvb->add_margin_child(TTR("Generation Time (sec):"), generate_seconds);
|
|
generate_seconds->set_min(0.1);
|
|
generate_seconds->set_max(25);
|
|
generate_seconds->set_value(2);
|
|
|
|
add_child(generate_aabb);
|
|
|
|
generate_aabb->connect("confirmed", callable_mp(this, &GPUParticles3DEditor::_generate_aabb));
|
|
}
|
|
|
|
void GPUParticles3DEditorPlugin::edit(Object *p_object) {
|
|
particles_editor->edit(Object::cast_to<GPUParticles3D>(p_object));
|
|
}
|
|
|
|
bool GPUParticles3DEditorPlugin::handles(Object *p_object) const {
|
|
return p_object->is_class("GPUParticles3D");
|
|
}
|
|
|
|
void GPUParticles3DEditorPlugin::make_visible(bool p_visible) {
|
|
if (p_visible) {
|
|
particles_editor->show();
|
|
particles_editor->particles_editor_hb->show();
|
|
} else {
|
|
particles_editor->particles_editor_hb->hide();
|
|
particles_editor->hide();
|
|
particles_editor->edit(nullptr);
|
|
}
|
|
}
|
|
|
|
GPUParticles3DEditorPlugin::GPUParticles3DEditorPlugin(EditorNode *p_node) {
|
|
editor = p_node;
|
|
particles_editor = memnew(GPUParticles3DEditor);
|
|
editor->get_main_control()->add_child(particles_editor);
|
|
|
|
particles_editor->hide();
|
|
}
|
|
|
|
GPUParticles3DEditorPlugin::~GPUParticles3DEditorPlugin() {
|
|
}
|