godot/editor/plugins/gizmos/reflection_probe_gizmo_plug...

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/**************************************************************************/
/* reflection_probe_gizmo_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 "reflection_probe_gizmo_plugin.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "scene/3d/reflection_probe.h"
ReflectionProbeGizmoPlugin::ReflectionProbeGizmoPlugin() {
Color gizmo_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/reflection_probe", Color(0.6, 1, 0.5));
create_material("reflection_probe_material", gizmo_color);
gizmo_color.a = 0.5;
create_material("reflection_internal_material", gizmo_color);
gizmo_color.a = 0.1;
create_material("reflection_probe_solid_material", gizmo_color);
create_icon_material("reflection_probe_icon", Node3DEditor::get_singleton()->get_theme_icon(SNAME("GizmoReflectionProbe"), SNAME("EditorIcons")));
create_handle_material("handles");
}
bool ReflectionProbeGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<ReflectionProbe>(p_spatial) != nullptr;
}
String ReflectionProbeGizmoPlugin::get_gizmo_name() const {
return "ReflectionProbe";
}
int ReflectionProbeGizmoPlugin::get_priority() const {
return -1;
}
String ReflectionProbeGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
switch (p_id) {
case 0:
return "Size X";
case 1:
return "Size Y";
case 2:
return "Size Z";
case 3:
return "Origin X";
case 4:
return "Origin Y";
case 5:
return "Origin Z";
}
return "";
}
Variant ReflectionProbeGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
ReflectionProbe *probe = Object::cast_to<ReflectionProbe>(p_gizmo->get_node_3d());
return AABB(probe->get_origin_offset(), probe->get_size());
}
void ReflectionProbeGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
ReflectionProbe *probe = Object::cast_to<ReflectionProbe>(p_gizmo->get_node_3d());
Transform3D gt = probe->get_global_transform();
Transform3D gi = gt.affine_inverse();
if (p_id < 3) {
Vector3 size = probe->get_size();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
Vector3 axis;
axis[p_id] = 1.0;
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(Vector3(), axis * 16384, sg[0], sg[1], ra, rb);
float d = ra[p_id] * 2;
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
}
if (d < 0.001) {
d = 0.001;
}
size[p_id] = d;
probe->set_size(size);
} else {
p_id -= 3;
Vector3 origin = probe->get_origin_offset();
origin[p_id] = 0;
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
Vector3 axis;
axis[p_id] = 1.0;
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(origin - axis * 16384, origin + axis * 16384, sg[0], sg[1], ra, rb);
// Adjust the actual position to account for the gizmo handle position
float d = ra[p_id] + 0.25;
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
d = Math::snapped(d, Node3DEditor::get_singleton()->get_translate_snap());
}
origin[p_id] = d;
probe->set_origin_offset(origin);
}
}
void ReflectionProbeGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
ReflectionProbe *probe = Object::cast_to<ReflectionProbe>(p_gizmo->get_node_3d());
AABB restore = p_restore;
if (p_cancel) {
probe->set_origin_offset(restore.position);
probe->set_size(restore.size);
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Change Probe Size"));
ur->add_do_method(probe, "set_size", probe->get_size());
ur->add_do_method(probe, "set_origin_offset", probe->get_origin_offset());
ur->add_undo_method(probe, "set_size", restore.size);
ur->add_undo_method(probe, "set_origin_offset", restore.position);
ur->commit_action();
}
void ReflectionProbeGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
ReflectionProbe *probe = Object::cast_to<ReflectionProbe>(p_gizmo->get_node_3d());
p_gizmo->clear();
Vector<Vector3> lines;
Vector<Vector3> internal_lines;
Vector3 size = probe->get_size();
AABB aabb;
aabb.position = -size / 2;
aabb.size = size;
for (int i = 0; i < 12; i++) {
Vector3 a, b;
aabb.get_edge(i, a, b);
lines.push_back(a);
lines.push_back(b);
}
for (int i = 0; i < 8; i++) {
Vector3 ep = aabb.get_endpoint(i);
internal_lines.push_back(probe->get_origin_offset());
internal_lines.push_back(ep);
}
Vector<Vector3> handles;
for (int i = 0; i < 3; i++) {
Vector3 ax;
ax[i] = aabb.position[i] + aabb.size[i];
handles.push_back(ax);
}
for (int i = 0; i < 3; i++) {
Vector3 orig_handle = probe->get_origin_offset();
orig_handle[i] -= 0.25;
lines.push_back(orig_handle);
handles.push_back(orig_handle);
orig_handle[i] += 0.5;
lines.push_back(orig_handle);
}
Ref<Material> material = get_material("reflection_probe_material", p_gizmo);
Ref<Material> material_internal = get_material("reflection_internal_material", p_gizmo);
Ref<Material> icon = get_material("reflection_probe_icon", p_gizmo);
p_gizmo->add_lines(lines, material);
p_gizmo->add_lines(internal_lines, material_internal);
if (p_gizmo->is_selected()) {
Ref<Material> solid_material = get_material("reflection_probe_solid_material", p_gizmo);
p_gizmo->add_solid_box(solid_material, probe->get_size());
}
p_gizmo->add_unscaled_billboard(icon, 0.05);
p_gizmo->add_handles(handles, get_material("handles"));
}