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)
458 lines
12 KiB
C++
458 lines
12 KiB
C++
/*************************************************************************/
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/* particles_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_editor_plugin.h"
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#include "io/resource_loader.h"
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#include "servers/visual/particle_system_sw.h"
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#include "tools/editor/plugins/spatial_editor_plugin.h"
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void ParticlesEditor::_node_removed(Node *p_node) {
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if(p_node==node) {
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node=NULL;
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hide();
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}
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}
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void ParticlesEditor::_resource_seleted(const String& p_res) {
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//print_line("selected resource path: "+p_res);
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}
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void ParticlesEditor::_node_selected(const NodePath& p_path){
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Node *sel = get_node(p_path);
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if (!sel)
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return;
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VisualInstance *vi = sel->cast_to<VisualInstance>();
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if (!vi) {
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err_dialog->set_text(TTR("Node does not contain geometry."));
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err_dialog->popup_centered_minsize();
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return;
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}
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geometry = vi->get_faces(VisualInstance::FACES_SOLID);
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if (geometry.size()==0) {
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err_dialog->set_text(TTR("Node does not contain geometry (faces)."));
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err_dialog->popup_centered_minsize();
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return;
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}
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Transform geom_xform = node->get_global_transform().affine_inverse() * vi->get_global_transform();
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int gc = geometry.size();
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DVector<Face3>::Write w = geometry.write();
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for(int i=0;i<gc;i++) {
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for(int j=0;j<3;j++) {
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w[i].vertex[j] = geom_xform.xform( w[i].vertex[j] );
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}
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}
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w = DVector<Face3>::Write();
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emission_dialog->popup_centered(Size2(300,130));
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}
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/*
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void ParticlesEditor::_populate() {
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if(!node)
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return;
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if (node->get_particles().is_null())
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return;
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node->get_particles()->set_instance_count(populate_amount->get_text().to_int());
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node->populate_parent(populate_rotate_random->get_val(),populate_tilt_random->get_val(),populate_scale_random->get_text().to_double(),populate_scale->get_text().to_double());
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}
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*/
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void ParticlesEditor::_notification(int p_notification) {
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if (p_notification==NOTIFICATION_ENTER_TREE) {
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options->set_icon(options->get_popup()->get_icon("Particles","EditorIcons"));
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}
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}
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void ParticlesEditor::_menu_option(int p_option) {
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switch(p_option) {
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case MENU_OPTION_GENERATE_AABB: {
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Transform globalizer = node->get_global_transform();
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ParticleSystemSW pssw;
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for(int i=0;i<VS::PARTICLE_VAR_MAX;i++) {
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pssw.particle_vars[i]=node->get_variable((Particles::Variable)i);
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pssw.particle_randomness[i]=node->get_randomness((Particles::Variable)i);
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}
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pssw.emission_half_extents=node->get_emission_half_extents();
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pssw.emission_points=node->get_emission_points();
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pssw.emission_base_velocity=node->get_emission_base_velocity();
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pssw.amount=node->get_amount();
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pssw.gravity_normal=node->get_gravity_normal();
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pssw.emitting=true;
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pssw.height_from_velocity=node->has_height_from_velocity();
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pssw.color_phase_count=1;
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ParticleSystemProcessSW pp;
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float delta=0.01;
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float lifetime=pssw.particle_vars[VS::PARTICLE_LIFETIME];
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Transform localizer = globalizer.affine_inverse();
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AABB aabb;
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for(float t=0;t<lifetime;t+=delta) {
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pp.process(&pssw,globalizer,delta);
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for(int i=0;i<pp.particle_data.size();i++) {
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Vector3 p = localizer.xform(pp.particle_data[i].pos);
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if (t==0 && i==0)
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aabb.pos=p;
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else
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aabb.expand_to(p);
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}
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}
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aabb.grow_by( aabb.get_longest_axis_size()*0.2);
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node->set_visibility_aabb(aabb);
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} break;
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case MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_MESH: {
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emission_file_dialog->popup_centered_ratio();
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} break;
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case MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE: {
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/*
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Node *root = get_scene()->get_root_node();
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ERR_FAIL_COND(!root);
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EditorNode *en = root->cast_to<EditorNode>();
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ERR_FAIL_COND(!en);
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Node * node = en->get_edited_scene();
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*/
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emission_tree_dialog->popup_centered_ratio();
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} break;
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}
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}
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void ParticlesEditor::edit(Particles *p_particles) {
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node=p_particles;
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}
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void ParticlesEditor::_generate_emission_points() {
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/// hacer codigo aca
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DVector<Vector3> points;
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if (emission_fill->get_selected()==0) {
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float area_accum=0;
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Map<float,int> triangle_area_map;
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print_line("geometry size: "+itos(geometry.size()));
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for(int i=0;i<geometry.size();i++) {
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float area = geometry[i].get_area();;
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if (area<CMP_EPSILON)
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continue;
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triangle_area_map[area_accum]=i;
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area_accum+=area;
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}
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if (!triangle_area_map.size() || area_accum==0) {
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err_dialog->set_text(TTR("Faces contain no area!"));
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err_dialog->popup_centered_minsize();
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return;
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}
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int emissor_count=emission_amount->get_val();
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for(int i=0;i<emissor_count;i++) {
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float areapos = Math::random(0,area_accum);
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Map<float,int>::Element *E = triangle_area_map.find_closest(areapos);
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ERR_FAIL_COND(!E)
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int index = E->get();
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ERR_FAIL_INDEX(index,geometry.size());
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// ok FINALLY get face
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Face3 face = geometry[index];
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//now compute some position inside the face...
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Vector3 pos = face.get_random_point_inside();
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points.push_back(pos);
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}
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} else {
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int gcount = geometry.size();
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if (gcount==0) {
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err_dialog->set_text(TTR("No faces!"));
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err_dialog->popup_centered_minsize();
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return;
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}
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DVector<Face3>::Read r = geometry.read();
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AABB aabb;
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for(int i=0;i<gcount;i++) {
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for(int j=0;j<3;j++) {
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if (i==0 && j==0)
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aabb.pos=r[i].vertex[j];
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else
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aabb.expand_to(r[i].vertex[j]);
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}
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}
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int emissor_count=emission_amount->get_val();
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for(int i=0;i<emissor_count;i++) {
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int attempts=5;
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for(int j=0;j<attempts;j++) {
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Vector3 dir;
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dir[Math::rand()%3]=1.0;
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Vector3 ofs = Vector3(1,1,1)-dir;
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ofs=(Vector3(1,1,1)-dir)*Vector3(Math::randf(),Math::randf(),Math::randf())*aabb.size;
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ofs+=aabb.pos;
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Vector3 ofsv = ofs + aabb.size * dir;
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//space it a little
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ofs -= dir;
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ofsv += dir;
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float max=-1e7,min=1e7;
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for(int k=0;k<gcount;k++) {
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const Face3& f3 = r[k];
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Vector3 res;
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if (f3.intersects_segment(ofs,ofsv,&res)) {
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res-=ofs;
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float d = dir.dot(res);
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if (d<min)
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min=d;
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if (d>max)
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max=d;
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}
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}
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if (max<min)
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continue; //lost attempt
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float val = min + (max-min)*Math::randf();
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Vector3 point = ofs + dir * val;
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points.push_back(point);
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break;
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}
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}
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}
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//print_line("point count: "+itos(points.size()));
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node->set_emission_points(points);
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}
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void ParticlesEditor::_bind_methods() {
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ObjectTypeDB::bind_method("_menu_option",&ParticlesEditor::_menu_option);
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ObjectTypeDB::bind_method("_resource_seleted",&ParticlesEditor::_resource_seleted);
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ObjectTypeDB::bind_method("_node_selected",&ParticlesEditor::_node_selected);
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ObjectTypeDB::bind_method("_generate_emission_points",&ParticlesEditor::_generate_emission_points);
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//ObjectTypeDB::bind_method("_populate",&ParticlesEditor::_populate);
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}
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ParticlesEditor::ParticlesEditor() {
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particles_editor_hb = memnew ( HBoxContainer );
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SpatialEditor::get_singleton()->add_control_to_menu_panel(particles_editor_hb);
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options = memnew( MenuButton );
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particles_editor_hb->add_child(options);
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particles_editor_hb->hide();
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options->set_text("Particles");
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options->get_popup()->add_item(TTR("Generate AABB"),MENU_OPTION_GENERATE_AABB);
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options->get_popup()->add_separator();
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options->get_popup()->add_item(TTR("Create Emitter From Mesh"),MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_MESH);
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options->get_popup()->add_item(TTR("Create Emitter From Node"),MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE);
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options->get_popup()->add_item(TTR("Clear Emitter"),MENU_OPTION_CLEAR_EMISSION_VOLUME);
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options->get_popup()->connect("item_pressed", this,"_menu_option");
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emission_dialog = memnew( ConfirmationDialog );
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emission_dialog->set_title(TTR("Create Emitter"));
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add_child(emission_dialog);
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Label *l = memnew(Label);
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l->set_pos(Point2(5,5));
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l->set_text(TTR("Emission Positions:"));
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emission_dialog->add_child(l);
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emission_amount = memnew( SpinBox );
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emission_amount->set_anchor(MARGIN_RIGHT,ANCHOR_END);
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emission_amount->set_begin( Point2(20,23));
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emission_amount->set_end( Point2(5,25));
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emission_amount->set_min(1);
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emission_amount->set_max(65536);
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emission_amount->set_val(512);
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emission_dialog->add_child(emission_amount);
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emission_dialog->get_ok()->set_text(TTR("Create"));
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emission_dialog->connect("confirmed",this,"_generate_emission_points");
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l = memnew(Label);
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l->set_pos(Point2(5,50));
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l->set_text(TTR("Emission Fill:"));
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emission_dialog->add_child(l);
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emission_fill = memnew( OptionButton );
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emission_fill->set_anchor(MARGIN_RIGHT,ANCHOR_END);
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emission_fill->set_begin( Point2(20,70));
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emission_fill->set_end( Point2(5,75));
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emission_fill->add_item(TTR("Surface"));
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emission_fill->add_item(TTR("Volume"));
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emission_dialog->add_child(emission_fill);
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err_dialog = memnew( ConfirmationDialog );
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//err_dialog->get_cancel()->hide();
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add_child(err_dialog);
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emission_file_dialog = memnew( EditorFileDialog );
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add_child(emission_file_dialog);
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emission_file_dialog->connect("file_selected",this,"_resource_seleted");
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emission_tree_dialog = memnew( SceneTreeDialog );
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add_child(emission_tree_dialog);
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emission_tree_dialog->connect("selected",this,"_node_selected");
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List<String> extensions;
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ResourceLoader::get_recognized_extensions_for_type("Mesh",&extensions);
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emission_file_dialog->clear_filters();
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for(int i=0;i<extensions.size();i++) {
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emission_file_dialog->add_filter("*."+extensions[i]+" ; "+extensions[i].to_upper());
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}
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emission_file_dialog->set_mode(EditorFileDialog::MODE_OPEN_FILE);
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//options->set_anchor(MARGIN_LEFT,Control::ANCHOR_END);
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//options->set_anchor(MARGIN_RIGHT,Control::ANCHOR_END);
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}
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void ParticlesEditorPlugin::edit(Object *p_object) {
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particles_editor->edit(p_object->cast_to<Particles>());
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}
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bool ParticlesEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("Particles");
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}
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void ParticlesEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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particles_editor->show();
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particles_editor->particles_editor_hb->show();
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} else {
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particles_editor->particles_editor_hb->hide();
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particles_editor->hide();
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particles_editor->edit(NULL);
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}
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}
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ParticlesEditorPlugin::ParticlesEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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particles_editor = memnew( ParticlesEditor );
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editor->get_viewport()->add_child(particles_editor);
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particles_editor->hide();
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}
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ParticlesEditorPlugin::~ParticlesEditorPlugin()
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{
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}
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