455 lines
13 KiB
C++
455 lines
13 KiB
C++
/*************************************************************************/
|
|
/* particles_editor_plugin.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 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 "particles_editor_plugin.h"
|
|
#include "editor/plugins/spatial_editor_plugin.h"
|
|
#include "io/resource_loader.h"
|
|
|
|
void ParticlesEditor::_node_removed(Node *p_node) {
|
|
|
|
if (p_node == node) {
|
|
node = NULL;
|
|
hide();
|
|
}
|
|
}
|
|
|
|
void ParticlesEditor::_node_selected(const NodePath &p_path) {
|
|
|
|
Node *sel = get_node(p_path);
|
|
if (!sel)
|
|
return;
|
|
|
|
VisualInstance *vi = Object::cast_to<VisualInstance>(sel);
|
|
if (!vi) {
|
|
|
|
err_dialog->set_text(TTR("Node does not contain geometry."));
|
|
err_dialog->popup_centered_minsize();
|
|
return;
|
|
}
|
|
|
|
geometry = vi->get_faces(VisualInstance::FACES_SOLID);
|
|
|
|
if (geometry.size() == 0) {
|
|
|
|
err_dialog->set_text(TTR("Node does not contain geometry (faces)."));
|
|
err_dialog->popup_centered_minsize();
|
|
return;
|
|
}
|
|
|
|
Transform geom_xform = node->get_global_transform().affine_inverse() * vi->get_global_transform();
|
|
|
|
int gc = geometry.size();
|
|
PoolVector<Face3>::Write w = geometry.write();
|
|
|
|
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]);
|
|
}
|
|
}
|
|
|
|
w = PoolVector<Face3>::Write();
|
|
|
|
emission_dialog->popup_centered(Size2(300, 130));
|
|
}
|
|
|
|
void ParticlesEditor::_notification(int p_notification) {
|
|
|
|
if (p_notification == NOTIFICATION_ENTER_TREE) {
|
|
options->set_icon(options->get_popup()->get_icon("Particles", "EditorIcons"));
|
|
}
|
|
}
|
|
|
|
void ParticlesEditor::_menu_option(int p_option) {
|
|
|
|
switch (p_option) {
|
|
|
|
case MENU_OPTION_GENERATE_AABB: {
|
|
generate_aabb->popup_centered_minsize();
|
|
} break;
|
|
case MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_MESH: {
|
|
|
|
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_file_dialog->popup_centered_ratio();
|
|
|
|
} 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_centered_ratio();
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void ParticlesEditor::_generate_aabb() {
|
|
|
|
float time = generate_seconds->get_value();
|
|
|
|
float running = 0.0;
|
|
|
|
EditorProgress ep("gen_aabb", TTR("Generating AABB"), int(time));
|
|
|
|
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;
|
|
}
|
|
|
|
node->set_visibility_aabb(rect);
|
|
}
|
|
|
|
void ParticlesEditor::edit(Particles *p_particles) {
|
|
|
|
node = p_particles;
|
|
}
|
|
|
|
void ParticlesEditor::_generate_emission_points() {
|
|
|
|
/// hacer codigo aca
|
|
PoolVector<float> points;
|
|
bool use_normals = emission_fill->get_selected() == 1;
|
|
PoolVector<float> normals;
|
|
|
|
if (emission_fill->get_selected() < 2) {
|
|
|
|
float area_accum = 0;
|
|
Map<float, int> triangle_area_map;
|
|
print_line("geometry size: " + itos(geometry.size()));
|
|
|
|
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) {
|
|
|
|
err_dialog->set_text(TTR("Faces contain no area!"));
|
|
err_dialog->popup_centered_minsize();
|
|
return;
|
|
}
|
|
|
|
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(!E)
|
|
int index = E->get();
|
|
ERR_FAIL_INDEX(index, geometry.size());
|
|
|
|
// 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.x);
|
|
points.push_back(pos.y);
|
|
points.push_back(pos.z);
|
|
|
|
if (use_normals) {
|
|
Vector3 normal = face.get_plane().normal;
|
|
normals.push_back(normal.x);
|
|
normals.push_back(normal.y);
|
|
normals.push_back(normal.z);
|
|
}
|
|
}
|
|
} else {
|
|
|
|
int gcount = geometry.size();
|
|
|
|
if (gcount == 0) {
|
|
|
|
err_dialog->set_text(TTR("No faces!"));
|
|
err_dialog->popup_centered_minsize();
|
|
return;
|
|
}
|
|
|
|
PoolVector<Face3>::Read r = geometry.read();
|
|
|
|
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.x);
|
|
points.push_back(point.y);
|
|
points.push_back(point.z);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int point_count = points.size() / 3;
|
|
|
|
int w = 2048;
|
|
int h = (point_count / 2048) + 1;
|
|
|
|
PoolVector<uint8_t> point_img;
|
|
point_img.resize(w * h * 3 * sizeof(float));
|
|
|
|
{
|
|
PoolVector<uint8_t>::Write iw = point_img.write();
|
|
zeromem(iw.ptr(), w * h * 3 * sizeof(float));
|
|
PoolVector<float>::Read r = points.read();
|
|
copymem(iw.ptr(), r.ptr(), point_count * sizeof(float) * 3);
|
|
}
|
|
|
|
Ref<Image> image = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img));
|
|
|
|
Ref<ImageTexture> tex;
|
|
tex.instance();
|
|
tex->create_from_image(image, Texture::FLAG_FILTER);
|
|
|
|
Ref<ParticlesMaterial> material = node->get_process_material();
|
|
ERR_FAIL_COND(material.is_null());
|
|
|
|
if (use_normals) {
|
|
|
|
material->set_emission_shape(ParticlesMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
material->set_emission_point_count(point_count);
|
|
material->set_emission_point_texture(tex);
|
|
|
|
PoolVector<uint8_t> point_img2;
|
|
point_img2.resize(w * h * 3 * sizeof(float));
|
|
|
|
{
|
|
PoolVector<uint8_t>::Write iw = point_img2.write();
|
|
zeromem(iw.ptr(), w * h * 3 * sizeof(float));
|
|
PoolVector<float>::Read r = normals.read();
|
|
copymem(iw.ptr(), r.ptr(), point_count * sizeof(float) * 3);
|
|
}
|
|
|
|
Ref<Image> image2 = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img2));
|
|
|
|
Ref<ImageTexture> tex2;
|
|
tex2.instance();
|
|
tex2->create_from_image(image2, Texture::FLAG_FILTER);
|
|
|
|
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 ParticlesEditor::_bind_methods() {
|
|
|
|
ClassDB::bind_method("_menu_option", &ParticlesEditor::_menu_option);
|
|
ClassDB::bind_method("_node_selected", &ParticlesEditor::_node_selected);
|
|
ClassDB::bind_method("_generate_emission_points", &ParticlesEditor::_generate_emission_points);
|
|
ClassDB::bind_method("_generate_aabb", &ParticlesEditor::_generate_aabb);
|
|
}
|
|
|
|
ParticlesEditor::ParticlesEditor() {
|
|
|
|
particles_editor_hb = memnew(HBoxContainer);
|
|
SpatialEditor::get_singleton()->add_control_to_menu_panel(particles_editor_hb);
|
|
options = memnew(MenuButton);
|
|
particles_editor_hb->add_child(options);
|
|
particles_editor_hb->hide();
|
|
|
|
options->set_text(TTR("Particles"));
|
|
options->get_popup()->add_item(TTR("Generate AABB"), MENU_OPTION_GENERATE_AABB);
|
|
options->get_popup()->add_separator();
|
|
options->get_popup()->add_item(TTR("Create Emission Points From Mesh"), MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_MESH);
|
|
options->get_popup()->add_item(TTR("Create Emission Points From Node"), MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE);
|
|
options->get_popup()->connect("id_pressed", this, "_menu_option");
|
|
|
|
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()->set_text(TTR("Create"));
|
|
emission_dialog->connect("confirmed", this, "_generate_emission_points");
|
|
|
|
err_dialog = memnew(ConfirmationDialog);
|
|
add_child(err_dialog);
|
|
|
|
emission_file_dialog = memnew(EditorFileDialog);
|
|
add_child(emission_file_dialog);
|
|
emission_file_dialog->connect("file_selected", this, "_resource_seleted");
|
|
emission_tree_dialog = memnew(SceneTreeDialog);
|
|
add_child(emission_tree_dialog);
|
|
emission_tree_dialog->connect("selected", this, "_node_selected");
|
|
|
|
List<String> extensions;
|
|
ResourceLoader::get_recognized_extensions_for_type("Mesh", &extensions);
|
|
|
|
emission_file_dialog->clear_filters();
|
|
for (int i = 0; i < extensions.size(); i++) {
|
|
|
|
emission_file_dialog->add_filter("*." + extensions[i] + " ; " + extensions[i].to_upper());
|
|
}
|
|
|
|
emission_file_dialog->set_mode(EditorFileDialog::MODE_OPEN_FILE);
|
|
|
|
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", this, "_generate_aabb");
|
|
}
|
|
|
|
void ParticlesEditorPlugin::edit(Object *p_object) {
|
|
|
|
particles_editor->edit(Object::cast_to<Particles>(p_object));
|
|
}
|
|
|
|
bool ParticlesEditorPlugin::handles(Object *p_object) const {
|
|
|
|
return p_object->is_class("Particles");
|
|
}
|
|
|
|
void ParticlesEditorPlugin::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(NULL);
|
|
}
|
|
}
|
|
|
|
ParticlesEditorPlugin::ParticlesEditorPlugin(EditorNode *p_node) {
|
|
|
|
editor = p_node;
|
|
particles_editor = memnew(ParticlesEditor);
|
|
editor->get_viewport()->add_child(particles_editor);
|
|
|
|
particles_editor->hide();
|
|
}
|
|
|
|
ParticlesEditorPlugin::~ParticlesEditorPlugin() {
|
|
}
|