godot/editor/plugins/gizmos/navigation_link_3d_gizmo_pl...

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/**************************************************************************/
/* navigation_link_3d_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 "navigation_link_3d_gizmo_plugin.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "scene/3d/navigation_link_3d.h"
#include "servers/navigation_server_3d.h"
NavigationLink3DGizmoPlugin::NavigationLink3DGizmoPlugin() {
create_material("navigation_link_material", NavigationServer3D::get_singleton()->get_debug_navigation_link_connection_color());
create_material("navigation_link_material_disabled", NavigationServer3D::get_singleton()->get_debug_navigation_link_connection_disabled_color());
create_handle_material("handles");
}
bool NavigationLink3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<NavigationLink3D>(p_spatial) != nullptr;
}
String NavigationLink3DGizmoPlugin::get_gizmo_name() const {
return "NavigationLink3D";
}
int NavigationLink3DGizmoPlugin::get_priority() const {
return -1;
}
void NavigationLink3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
NavigationLink3D *link = Object::cast_to<NavigationLink3D>(p_gizmo->get_node_3d());
RID nav_map = link->get_world_3d()->get_navigation_map();
real_t search_radius = NavigationServer3D::get_singleton()->map_get_link_connection_radius(nav_map);
Vector3 up_vector = NavigationServer3D::get_singleton()->map_get_up(nav_map);
Vector3::Axis up_axis = up_vector.max_axis_index();
Vector3 start_position = link->get_start_position();
Vector3 end_position = link->get_end_position();
Ref<Material> link_material = get_material("navigation_link_material", p_gizmo);
Ref<Material> link_material_disabled = get_material("navigation_link_material_disabled", p_gizmo);
Ref<Material> handles_material = get_material("handles");
p_gizmo->clear();
// Draw line between the points.
Vector<Vector3> lines;
lines.append(start_position);
lines.append(end_position);
// Draw start position search radius
for (int i = 0; i < 30; i++) {
// Create a circle
const float ra = Math::deg_to_rad((float)(i * 12));
const float rb = Math::deg_to_rad((float)((i + 1) * 12));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * search_radius;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * search_radius;
// Draw axis-aligned circle
switch (up_axis) {
case Vector3::AXIS_X:
lines.append(start_position + Vector3(0, a.x, a.y));
lines.append(start_position + Vector3(0, b.x, b.y));
break;
case Vector3::AXIS_Y:
lines.append(start_position + Vector3(a.x, 0, a.y));
lines.append(start_position + Vector3(b.x, 0, b.y));
break;
case Vector3::AXIS_Z:
lines.append(start_position + Vector3(a.x, a.y, 0));
lines.append(start_position + Vector3(b.x, b.y, 0));
break;
}
}
// Draw end position search radius
for (int i = 0; i < 30; i++) {
// Create a circle
const float ra = Math::deg_to_rad((float)(i * 12));
const float rb = Math::deg_to_rad((float)((i + 1) * 12));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * search_radius;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * search_radius;
// Draw axis-aligned circle
switch (up_axis) {
case Vector3::AXIS_X:
lines.append(end_position + Vector3(0, a.x, a.y));
lines.append(end_position + Vector3(0, b.x, b.y));
break;
case Vector3::AXIS_Y:
lines.append(end_position + Vector3(a.x, 0, a.y));
lines.append(end_position + Vector3(b.x, 0, b.y));
break;
case Vector3::AXIS_Z:
lines.append(end_position + Vector3(a.x, a.y, 0));
lines.append(end_position + Vector3(b.x, b.y, 0));
break;
}
}
p_gizmo->add_lines(lines, link->is_enabled() ? link_material : link_material_disabled);
p_gizmo->add_collision_segments(lines);
Vector<Vector3> handles;
handles.append(start_position);
handles.append(end_position);
p_gizmo->add_handles(handles, handles_material);
}
String NavigationLink3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
return p_id == 0 ? TTR("Start Location") : TTR("End Location");
}
Variant NavigationLink3DGizmoPlugin::get_handle_value(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary) const {
NavigationLink3D *link = Object::cast_to<NavigationLink3D>(p_gizmo->get_node_3d());
return p_id == 0 ? link->get_start_position() : link->get_end_position();
}
void NavigationLink3DGizmoPlugin::set_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
NavigationLink3D *link = Object::cast_to<NavigationLink3D>(p_gizmo->get_node_3d());
Transform3D gt = link->get_global_transform();
Transform3D gi = gt.affine_inverse();
Transform3D ct = p_camera->get_global_transform();
Vector3 cam_dir = ct.basis.get_column(Vector3::AXIS_Z);
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 position = p_id == 0 ? link->get_start_position() : link->get_end_position();
Plane move_plane = Plane(cam_dir, gt.xform(position));
Vector3 intersection;
if (!move_plane.intersects_ray(ray_from, ray_dir, &intersection)) {
return;
}
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
double snap = Node3DEditor::get_singleton()->get_translate_snap();
intersection.snap(Vector3(snap, snap, snap));
}
position = gi.xform(intersection);
if (p_id == 0) {
link->set_start_position(position);
} else if (p_id == 1) {
link->set_end_position(position);
}
}
void NavigationLink3DGizmoPlugin::commit_handle(const EditorNode3DGizmo *p_gizmo, int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
NavigationLink3D *link = Object::cast_to<NavigationLink3D>(p_gizmo->get_node_3d());
if (p_cancel) {
if (p_id == 0) {
link->set_start_position(p_restore);
} else {
link->set_end_position(p_restore);
}
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
if (p_id == 0) {
ur->create_action(TTR("Change Start Position"));
ur->add_do_method(link, "set_start_position", link->get_start_position());
ur->add_undo_method(link, "set_start_position", p_restore);
} else {
ur->create_action(TTR("Change End Position"));
ur->add_do_method(link, "set_end_position", link->get_end_position());
ur->add_undo_method(link, "set_end_position", p_restore);
}
ur->commit_action();
}