d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
199 lines
6.3 KiB
C++
199 lines
6.3 KiB
C++
/*************************************************************************/
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/* 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 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 "particles_2d_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "io/image_loader.h"
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#include "scene/gui/separator.h"
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void Particles2DEditorPlugin::edit(Object *p_object) {
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if (p_object) {
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particles=p_object->cast_to<Particles2D>();
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} else {
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particles=NULL;
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}
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}
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bool Particles2DEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("Particles2D");
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}
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void Particles2DEditorPlugin::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 Particles2DEditorPlugin::_file_selected(const String& p_file) {
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print_line("file: "+p_file);
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int epc=epoints->get_val();
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Image img;
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Error err = ImageLoader::load_image(p_file,&img);
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ERR_EXPLAIN(TTR("Error loading image:")+" "+p_file);
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ERR_FAIL_COND(err!=OK);
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img.convert(Image::FORMAT_GRAYSCALE_ALPHA);
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ERR_FAIL_COND(img.get_format()!=Image::FORMAT_GRAYSCALE_ALPHA);
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Size2i s = Size2(img.get_width(),img.get_height());
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ERR_FAIL_COND(s.width==0 || s.height==0);
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DVector<uint8_t> data = img.get_data();
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DVector<uint8_t>::Read r = data.read();
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Vector<Point2i> valid_positions;
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valid_positions.resize(s.width*s.height);
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int vpc=0;
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for(int i=0;i<s.width*s.height;i++) {
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uint8_t a = r[i*2+1];
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if (a>128) {
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valid_positions[vpc++]=Point2i(i%s.width,i/s.width);
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}
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}
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valid_positions.resize(vpc);
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ERR_EXPLAIN(TTR("No pixels with transparency > 128 in image.."));
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ERR_FAIL_COND(valid_positions.size()==0);
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DVector<Point2> epoints;
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epoints.resize(epc);
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DVector<Point2>::Write w = epoints.write();
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Size2 extents = Size2(img.get_width()*0.5,img.get_height()*0.5);
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for(int i=0;i<epc;i++) {
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Point2 p = valid_positions[Math::rand()%vpc];
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p-=s/2;
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w[i]=p/extents;
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}
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w = DVector<Point2>::Write();
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undo_redo->create_action(TTR("Set Emission Mask"));
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undo_redo->add_do_method(particles,"set_emission_points",epoints);
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undo_redo->add_do_method(particles,"set_emission_half_extents",extents);
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undo_redo->add_undo_method(particles,"set_emission_points",particles->get_emission_points());
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undo_redo->add_undo_method(particles,"set_emission_half_extents",particles->get_emission_half_extents());
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undo_redo->commit_action();
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}
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void Particles2DEditorPlugin::_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_centered_ratio();
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} break;
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case MENU_CLEAR_EMISSION_MASK: {
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undo_redo->create_action(TTR("Clear Emission Mask"));
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undo_redo->add_do_method(particles,"set_emission_points",DVector<Vector2>());
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undo_redo->add_undo_method(particles,"set_emission_points",particles->get_emission_points());
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undo_redo->commit_action();
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} break;
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}
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}
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void Particles2DEditorPlugin::_notification(int p_what) {
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if (p_what==NOTIFICATION_ENTER_TREE) {
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menu->get_popup()->connect("item_pressed",this,"_menu_callback");
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menu->set_icon(menu->get_popup()->get_icon("Particles2D","EditorIcons"));
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file->connect("file_selected",this,"_file_selected");
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}
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}
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void Particles2DEditorPlugin::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_menu_callback"),&Particles2DEditorPlugin::_menu_callback);
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ObjectTypeDB::bind_method(_MD("_file_selected"),&Particles2DEditorPlugin::_file_selected);
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}
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Particles2DEditorPlugin::Particles2DEditorPlugin(EditorNode *p_node) {
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particles=NULL;
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editor=p_node;
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undo_redo=editor->get_undo_redo();
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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("Load Emission Mask"),MENU_LOAD_EMISSION_MASK);
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menu->get_popup()->add_item(TTR("Clear Emission Mask"),MENU_CLEAR_EMISSION_MASK);
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menu->set_text("Particles");
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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(List<String>::Element *E=ext.front();E;E=E->next()) {
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file->add_filter("*."+E->get()+"; "+E->get().to_upper());
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}
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file->set_mode(EditorFileDialog::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_val(512);
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file->get_vbox()->add_margin_child(TTR("Generated Point Count:"),epoints);
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}
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Particles2DEditorPlugin::~Particles2DEditorPlugin()
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{
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}
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