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-rw-r--r--editor/plugins/cpu_particles_2d_editor_plugin.cpp309
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diff --git a/editor/plugins/cpu_particles_2d_editor_plugin.cpp b/editor/plugins/cpu_particles_2d_editor_plugin.cpp
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--- a/editor/plugins/cpu_particles_2d_editor_plugin.cpp
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-/**************************************************************************/
-/* cpu_particles_2d_editor_plugin.cpp */
-/**************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/**************************************************************************/
-/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
-/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
-/* */
-/* 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 "cpu_particles_2d_editor_plugin.h"
-
-#include "canvas_item_editor_plugin.h"
-#include "core/io/image_loader.h"
-#include "editor/editor_node.h"
-#include "editor/editor_settings.h"
-#include "editor/editor_undo_redo_manager.h"
-#include "editor/gui/editor_file_dialog.h"
-#include "editor/scene_tree_dock.h"
-#include "scene/2d/cpu_particles_2d.h"
-#include "scene/2d/gpu_particles_2d.h"
-#include "scene/gui/check_box.h"
-#include "scene/gui/menu_button.h"
-#include "scene/gui/option_button.h"
-#include "scene/gui/separator.h"
-#include "scene/gui/spin_box.h"
-#include "scene/resources/particle_process_material.h"
-
-void CPUParticles2DEditorPlugin::edit(Object *p_object) {
- particles = Object::cast_to<CPUParticles2D>(p_object);
-}
-
-bool CPUParticles2DEditorPlugin::handles(Object *p_object) const {
- return p_object->is_class("CPUParticles2D");
-}
-
-void CPUParticles2DEditorPlugin::make_visible(bool p_visible) {
- if (p_visible) {
- toolbar->show();
- } else {
- toolbar->hide();
- }
-}
-
-void CPUParticles2DEditorPlugin::_file_selected(const String &p_file) {
- source_emission_file = p_file;
- emission_mask->popup_centered();
-}
-
-void CPUParticles2DEditorPlugin::_menu_callback(int p_idx) {
- switch (p_idx) {
- case MENU_LOAD_EMISSION_MASK: {
- file->popup_file_dialog();
- } break;
- case MENU_CLEAR_EMISSION_MASK: {
- emission_mask->popup_centered();
- } break;
- case MENU_RESTART: {
- particles->restart();
- } break;
- case MENU_CONVERT_TO_GPU_PARTICLES: {
- GPUParticles2D *gpu_particles = memnew(GPUParticles2D);
- gpu_particles->convert_from_particles(particles);
- gpu_particles->set_name(particles->get_name());
- gpu_particles->set_transform(particles->get_transform());
- gpu_particles->set_visible(particles->is_visible());
- gpu_particles->set_process_mode(particles->get_process_mode());
-
- EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
- ur->create_action(TTR("Convert to GPUParticles3D"), UndoRedo::MERGE_DISABLE, particles);
- SceneTreeDock::get_singleton()->replace_node(particles, gpu_particles);
- ur->commit_action(false);
- } break;
- }
-}
-
-void CPUParticles2DEditorPlugin::_generate_emission_mask() {
- Ref<Image> img;
- img.instantiate();
- Error err = ImageLoader::load_image(source_emission_file, img);
- ERR_FAIL_COND_MSG(err != OK, "Error loading image '" + source_emission_file + "'.");
-
- if (img->is_compressed()) {
- img->decompress();
- }
- img->convert(Image::FORMAT_RGBA8);
- ERR_FAIL_COND(img->get_format() != Image::FORMAT_RGBA8);
- Size2i s = img->get_size();
- ERR_FAIL_COND(s.width == 0 || s.height == 0);
-
- Vector<Point2> valid_positions;
- Vector<Point2> valid_normals;
- Vector<uint8_t> valid_colors;
-
- valid_positions.resize(s.width * s.height);
-
- EmissionMode emode = (EmissionMode)emission_mask_mode->get_selected();
-
- if (emode == EMISSION_MODE_BORDER_DIRECTED) {
- valid_normals.resize(s.width * s.height);
- }
-
- bool capture_colors = emission_colors->is_pressed();
-
- if (capture_colors) {
- valid_colors.resize(s.width * s.height * 4);
- }
-
- int vpc = 0;
-
- {
- Vector<uint8_t> img_data = img->get_data();
- const uint8_t *r = img_data.ptr();
-
- for (int i = 0; i < s.width; i++) {
- for (int j = 0; j < s.height; j++) {
- uint8_t a = r[(j * s.width + i) * 4 + 3];
-
- if (a > 128) {
- if (emode == EMISSION_MODE_SOLID) {
- if (capture_colors) {
- valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
- valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
- valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
- valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
- }
- valid_positions.write[vpc++] = Point2(i, j);
-
- } else {
- bool on_border = false;
- for (int x = i - 1; x <= i + 1; x++) {
- for (int y = j - 1; y <= j + 1; y++) {
- if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
- on_border = true;
- break;
- }
- }
-
- if (on_border) {
- break;
- }
- }
-
- if (on_border) {
- valid_positions.write[vpc] = Point2(i, j);
-
- if (emode == EMISSION_MODE_BORDER_DIRECTED) {
- Vector2 normal;
- for (int x = i - 2; x <= i + 2; x++) {
- for (int y = j - 2; y <= j + 2; y++) {
- if (x == i && y == j) {
- continue;
- }
-
- if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
- normal += Vector2(x - i, y - j).normalized();
- }
- }
- }
-
- normal.normalize();
- valid_normals.write[vpc] = normal;
- }
-
- if (capture_colors) {
- valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
- valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
- valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
- valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
- }
-
- vpc++;
- }
- }
- }
- }
- }
- }
-
- valid_positions.resize(vpc);
- if (valid_normals.size()) {
- valid_normals.resize(vpc);
- }
-
- ERR_FAIL_COND_MSG(valid_positions.is_empty(), "No pixels with transparency > 128 in image...");
-
- if (capture_colors) {
- PackedColorArray pca;
- pca.resize(vpc);
- Color *pcaw = pca.ptrw();
- for (int i = 0; i < vpc; i += 1) {
- Color color;
- color.r = valid_colors[i * 4 + 0] / 255.0f;
- color.g = valid_colors[i * 4 + 1] / 255.0f;
- color.b = valid_colors[i * 4 + 2] / 255.0f;
- color.a = valid_colors[i * 4 + 3] / 255.0f;
- pcaw[i] = color;
- }
- particles->set_emission_colors(pca);
- }
-
- if (valid_normals.size()) {
- particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_DIRECTED_POINTS);
- PackedVector2Array norms;
- norms.resize(valid_normals.size());
- Vector2 *normsw = norms.ptrw();
- for (int i = 0; i < valid_normals.size(); i += 1) {
- normsw[i] = valid_normals[i];
- }
- particles->set_emission_normals(norms);
- } else {
- particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_POINTS);
- }
-
- {
- Vector2 offset;
- if (emission_mask_centered->is_pressed()) {
- offset = Vector2(-s.width * 0.5, -s.height * 0.5);
- }
-
- PackedVector2Array points;
- points.resize(valid_positions.size());
- Vector2 *pointsw = points.ptrw();
- for (int i = 0; i < valid_positions.size(); i += 1) {
- pointsw[i] = valid_positions[i] + offset;
- }
- particles->set_emission_points(points);
- }
-}
-
-void CPUParticles2DEditorPlugin::_notification(int p_what) {
- switch (p_what) {
- case NOTIFICATION_ENTER_TREE: {
- menu->get_popup()->connect(SceneStringName(id_pressed), callable_mp(this, &CPUParticles2DEditorPlugin::_menu_callback));
- menu->set_icon(file->get_editor_theme_icon(SNAME("CPUParticles2D")));
- file->connect("file_selected", callable_mp(this, &CPUParticles2DEditorPlugin::_file_selected));
- } break;
- }
-}
-
-CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin() {
- particles = nullptr;
-
- toolbar = memnew(HBoxContainer);
- add_control_to_container(CONTAINER_CANVAS_EDITOR_MENU, toolbar);
- toolbar->hide();
-
- menu = memnew(MenuButton);
- menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("particles/restart_emission"), MENU_RESTART);
- menu->get_popup()->add_item(TTR("Load Emission Mask"), MENU_LOAD_EMISSION_MASK);
- menu->get_popup()->add_item(TTR("Convert to GPUParticles2D"), MENU_CONVERT_TO_GPU_PARTICLES);
- menu->set_text(TTR("CPUParticles2D"));
- menu->set_switch_on_hover(true);
- toolbar->add_child(menu);
-
- file = memnew(EditorFileDialog);
- List<String> ext;
- ImageLoader::get_recognized_extensions(&ext);
- for (const String &E : ext) {
- file->add_filter("*." + E, E.to_upper());
- }
- file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
- toolbar->add_child(file);
-
- emission_mask = memnew(ConfirmationDialog);
- emission_mask->set_title(TTR("Load Emission Mask"));
- VBoxContainer *emvb = memnew(VBoxContainer);
- emission_mask->add_child(emvb);
- emission_mask_mode = memnew(OptionButton);
- emvb->add_margin_child(TTR("Emission Mask"), emission_mask_mode);
- emission_mask_mode->add_item(TTR("Solid Pixels"), EMISSION_MODE_SOLID);
- emission_mask_mode->add_item(TTR("Border Pixels"), EMISSION_MODE_BORDER);
- emission_mask_mode->add_item(TTR("Directed Border Pixels"), EMISSION_MODE_BORDER_DIRECTED);
- VBoxContainer *optionsvb = memnew(VBoxContainer);
- emvb->add_margin_child(TTR("Options"), optionsvb);
- emission_mask_centered = memnew(CheckBox);
- emission_mask_centered->set_text(TTR("Centered"));
- optionsvb->add_child(emission_mask_centered);
- emission_colors = memnew(CheckBox);
- emission_colors->set_text(TTR("Capture Colors from Pixel"));
- optionsvb->add_child(emission_colors);
-
- toolbar->add_child(emission_mask);
-
- emission_mask->connect(SceneStringName(confirmed), callable_mp(this, &CPUParticles2DEditorPlugin::_generate_emission_mask));
-}
-
-CPUParticles2DEditorPlugin::~CPUParticles2DEditorPlugin() {
-}