godot/editor/plugins/gizmos/cpu_particles_3d_gizmo_plugin.cpp
Arman Elgudzhyan ec6518d9cd Custom ("visiblity") AABB support for CPUParticles
- Improves performance by reducing time spent on AABB generation.
- Also adds an option to generate the AABB manually in the CPUParticles3D dropdown.
2024-02-15 22:37:07 -08:00

109 lines
4.5 KiB
C++

/**************************************************************************/
/* cpu_particles_3d_gizmo_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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#include "cpu_particles_3d_gizmo_plugin.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "scene/3d/cpu_particles_3d.h"
CPUParticles3DGizmoPlugin::CPUParticles3DGizmoPlugin() {
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/particles", Color(0.8, 0.7, 0.4));
create_material("particles_material", gizmo_color);
gizmo_color.a = MAX((gizmo_color.a - 0.2) * 0.02, 0.0);
create_material("particles_solid_material", gizmo_color);
create_icon_material("particles_icon", EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("GizmoCPUParticles3D"), EditorStringName(EditorIcons)));
}
bool CPUParticles3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<CPUParticles3D>(p_spatial) != nullptr;
}
String CPUParticles3DGizmoPlugin::get_gizmo_name() const {
return "CPUParticles3D";
}
int CPUParticles3DGizmoPlugin::get_priority() const {
return -1;
}
bool CPUParticles3DGizmoPlugin::is_selectable_when_hidden() const {
return true;
}
void CPUParticles3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
CPUParticles3D *particles = Object::cast_to<CPUParticles3D>(p_gizmo->get_node_3d());
p_gizmo->clear();
Vector<Vector3> lines;
AABB aabb = particles->get_visibility_aabb();
for (int i = 0; i < 12; i++) {
Vector3 a, b;
aabb.get_edge(i, a, b);
lines.push_back(a);
lines.push_back(b);
}
Vector<Vector3> handles;
for (int i = 0; i < 3; i++) {
Vector3 ax;
ax[i] = aabb.position[i] + aabb.size[i];
ax[(i + 1) % 3] = aabb.position[(i + 1) % 3] + aabb.size[(i + 1) % 3] * 0.5;
ax[(i + 2) % 3] = aabb.position[(i + 2) % 3] + aabb.size[(i + 2) % 3] * 0.5;
handles.push_back(ax);
}
Vector3 center = aabb.get_center();
for (int i = 0; i < 3; i++) {
Vector3 ax;
ax[i] = 1.0;
handles.push_back(center + ax);
lines.push_back(center);
lines.push_back(center + ax);
}
Ref<Material> material = get_material("particles_material", p_gizmo);
p_gizmo->add_lines(lines, material);
if (p_gizmo->is_selected()) {
Ref<Material> solid_material = get_material("particles_solid_material", p_gizmo);
p_gizmo->add_solid_box(solid_material, aabb.get_size(), aabb.get_center());
}
Ref<Material> icon = get_material("particles_icon", p_gizmo);
p_gizmo->add_unscaled_billboard(icon, 0.05);
}