d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
294 lines
9.8 KiB
C++
294 lines
9.8 KiB
C++
/**************************************************************************/
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/* cpu_particles_2d_editor_plugin.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "cpu_particles_2d_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "core/io/image_loader.h"
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#include "editor/editor_file_dialog.h"
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#include "editor/editor_node.h"
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#include "scene/2d/cpu_particles_2d.h"
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#include "scene/gui/check_box.h"
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#include "scene/gui/menu_button.h"
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#include "scene/gui/option_button.h"
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#include "scene/gui/separator.h"
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#include "scene/gui/spin_box.h"
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#include "scene/resources/particle_process_material.h"
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void CPUParticles2DEditorPlugin::edit(Object *p_object) {
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particles = Object::cast_to<CPUParticles2D>(p_object);
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}
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bool CPUParticles2DEditorPlugin::handles(Object *p_object) const {
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return p_object->is_class("CPUParticles2D");
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}
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void CPUParticles2DEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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toolbar->show();
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} else {
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toolbar->hide();
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}
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}
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void CPUParticles2DEditorPlugin::_file_selected(const String &p_file) {
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source_emission_file = p_file;
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emission_mask->popup_centered();
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}
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void CPUParticles2DEditorPlugin::_menu_callback(int p_idx) {
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switch (p_idx) {
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case MENU_LOAD_EMISSION_MASK: {
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file->popup_file_dialog();
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} break;
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case MENU_CLEAR_EMISSION_MASK: {
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emission_mask->popup_centered();
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} break;
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case MENU_RESTART: {
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particles->restart();
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}
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}
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}
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void CPUParticles2DEditorPlugin::_generate_emission_mask() {
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Ref<Image> img;
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img.instantiate();
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Error err = ImageLoader::load_image(source_emission_file, img);
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ERR_FAIL_COND_MSG(err != OK, "Error loading image '" + source_emission_file + "'.");
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if (img->is_compressed()) {
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img->decompress();
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}
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img->convert(Image::FORMAT_RGBA8);
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ERR_FAIL_COND(img->get_format() != Image::FORMAT_RGBA8);
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Size2i s = img->get_size();
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ERR_FAIL_COND(s.width == 0 || s.height == 0);
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Vector<Point2> valid_positions;
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Vector<Point2> valid_normals;
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Vector<uint8_t> valid_colors;
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valid_positions.resize(s.width * s.height);
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EmissionMode emode = (EmissionMode)emission_mask_mode->get_selected();
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if (emode == EMISSION_MODE_BORDER_DIRECTED) {
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valid_normals.resize(s.width * s.height);
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}
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bool capture_colors = emission_colors->is_pressed();
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if (capture_colors) {
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valid_colors.resize(s.width * s.height * 4);
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}
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int vpc = 0;
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{
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Vector<uint8_t> img_data = img->get_data();
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const uint8_t *r = img_data.ptr();
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for (int i = 0; i < s.width; i++) {
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for (int j = 0; j < s.height; j++) {
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uint8_t a = r[(j * s.width + i) * 4 + 3];
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if (a > 128) {
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if (emode == EMISSION_MODE_SOLID) {
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if (capture_colors) {
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valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
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valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
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valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
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valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
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}
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valid_positions.write[vpc++] = Point2(i, j);
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} else {
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bool on_border = false;
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for (int x = i - 1; x <= i + 1; x++) {
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for (int y = j - 1; y <= j + 1; y++) {
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if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
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on_border = true;
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break;
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}
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}
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if (on_border) {
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break;
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}
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}
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if (on_border) {
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valid_positions.write[vpc] = Point2(i, j);
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if (emode == EMISSION_MODE_BORDER_DIRECTED) {
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Vector2 normal;
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for (int x = i - 2; x <= i + 2; x++) {
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for (int y = j - 2; y <= j + 2; y++) {
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if (x == i && y == j) {
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continue;
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}
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if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
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normal += Vector2(x - i, y - j).normalized();
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}
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}
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}
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normal.normalize();
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valid_normals.write[vpc] = normal;
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}
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if (capture_colors) {
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valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
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valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
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valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
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valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
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}
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vpc++;
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}
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}
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}
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}
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}
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}
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valid_positions.resize(vpc);
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if (valid_normals.size()) {
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valid_normals.resize(vpc);
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}
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ERR_FAIL_COND_MSG(valid_positions.size() == 0, "No pixels with transparency > 128 in image...");
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if (capture_colors) {
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PackedColorArray pca;
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pca.resize(vpc);
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Color *pcaw = pca.ptrw();
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for (int i = 0; i < vpc; i += 1) {
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Color color;
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color.r = valid_colors[i * 4 + 0] / 255.0f;
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color.g = valid_colors[i * 4 + 1] / 255.0f;
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color.b = valid_colors[i * 4 + 2] / 255.0f;
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color.a = valid_colors[i * 4 + 3] / 255.0f;
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pcaw[i] = color;
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}
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particles->set_emission_colors(pca);
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}
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if (valid_normals.size()) {
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particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_DIRECTED_POINTS);
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PackedVector2Array norms;
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norms.resize(valid_normals.size());
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Vector2 *normsw = norms.ptrw();
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for (int i = 0; i < valid_normals.size(); i += 1) {
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normsw[i] = valid_normals[i];
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}
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particles->set_emission_normals(norms);
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} else {
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particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_POINTS);
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}
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{
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PackedVector2Array points;
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points.resize(valid_positions.size());
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Vector2 *pointsw = points.ptrw();
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for (int i = 0; i < valid_positions.size(); i += 1) {
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pointsw[i] = valid_positions[i];
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}
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particles->set_emission_points(points);
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}
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}
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void CPUParticles2DEditorPlugin::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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menu->get_popup()->connect("id_pressed", callable_mp(this, &CPUParticles2DEditorPlugin::_menu_callback));
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menu->set_icon(epoints->get_theme_icon(SNAME("CPUParticles2D"), SNAME("EditorIcons")));
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file->connect("file_selected", callable_mp(this, &CPUParticles2DEditorPlugin::_file_selected));
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} break;
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}
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}
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void CPUParticles2DEditorPlugin::_bind_methods() {
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}
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CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin() {
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particles = nullptr;
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toolbar = memnew(HBoxContainer);
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add_control_to_container(CONTAINER_CANVAS_EDITOR_MENU, toolbar);
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toolbar->hide();
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toolbar->add_child(memnew(VSeparator));
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menu = memnew(MenuButton);
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menu->get_popup()->add_item(TTR("Restart"), MENU_RESTART);
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menu->get_popup()->add_item(TTR("Load Emission Mask"), MENU_LOAD_EMISSION_MASK);
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menu->set_text(TTR("CPUParticles2D"));
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menu->set_switch_on_hover(true);
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toolbar->add_child(menu);
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file = memnew(EditorFileDialog);
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List<String> ext;
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ImageLoader::get_recognized_extensions(&ext);
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for (const String &E : ext) {
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file->add_filter("*." + E, E.to_upper());
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}
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file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
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toolbar->add_child(file);
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epoints = memnew(SpinBox);
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epoints->set_min(1);
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epoints->set_max(8192);
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epoints->set_step(1);
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epoints->set_value(512);
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file->get_vbox()->add_margin_child(TTR("Generated Point Count:"), epoints);
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emission_mask = memnew(ConfirmationDialog);
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emission_mask->set_title(TTR("Load Emission Mask"));
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VBoxContainer *emvb = memnew(VBoxContainer);
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emission_mask->add_child(emvb);
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emission_mask_mode = memnew(OptionButton);
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emvb->add_margin_child(TTR("Emission Mask"), emission_mask_mode);
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emission_mask_mode->add_item(TTR("Solid Pixels"), EMISSION_MODE_SOLID);
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emission_mask_mode->add_item(TTR("Border Pixels"), EMISSION_MODE_BORDER);
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emission_mask_mode->add_item(TTR("Directed Border Pixels"), EMISSION_MODE_BORDER_DIRECTED);
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emission_colors = memnew(CheckBox);
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emission_colors->set_text(TTR("Capture from Pixel"));
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emvb->add_margin_child(TTR("Emission Colors"), emission_colors);
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toolbar->add_child(emission_mask);
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emission_mask->connect("confirmed", callable_mp(this, &CPUParticles2DEditorPlugin::_generate_emission_mask));
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}
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CPUParticles2DEditorPlugin::~CPUParticles2DEditorPlugin() {
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}
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