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node_3d_editor_gizmos.cpp
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node_3d_editor_gizmos.cpp
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/*************************************************************************/
/* node_3d_editor_gizmos.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "node_3d_editor_gizmos.h"
#include "core/math/geometry_2d.h"
#include "core/math/geometry_3d.h"
#include "core/math/quick_hull.h"
#include "scene/3d/audio_stream_player_3d.h"
#include "scene/3d/baked_lightmap.h"
#include "scene/3d/collision_polygon_3d.h"
#include "scene/3d/collision_shape_3d.h"
#include "scene/3d/cpu_particles_3d.h"
#include "scene/3d/decal.h"
#include "scene/3d/gi_probe.h"
#include "scene/3d/gpu_particles_3d.h"
#include "scene/3d/light_3d.h"
#include "scene/3d/lightmap_probe.h"
#include "scene/3d/listener_3d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/navigation_region_3d.h"
#include "scene/3d/physics_joint_3d.h"
#include "scene/3d/position_3d.h"
#include "scene/3d/ray_cast_3d.h"
#include "scene/3d/reflection_probe.h"
#include "scene/3d/soft_body_3d.h"
#include "scene/3d/spring_arm_3d.h"
#include "scene/3d/sprite_3d.h"
#include "scene/3d/vehicle_body_3d.h"
#include "scene/3d/visibility_notifier_3d.h"
#include "scene/resources/box_shape_3d.h"
#include "scene/resources/capsule_shape_3d.h"
#include "scene/resources/concave_polygon_shape_3d.h"
#include "scene/resources/convex_polygon_shape_3d.h"
#include "scene/resources/cylinder_shape_3d.h"
#include "scene/resources/height_map_shape_3d.h"
#include "scene/resources/primitive_meshes.h"
#include "scene/resources/ray_shape_3d.h"
#include "scene/resources/sphere_shape_3d.h"
#include "scene/resources/surface_tool.h"
#include "scene/resources/world_margin_shape_3d.h"
#define HANDLE_HALF_SIZE 9.5
bool EditorNode3DGizmo::is_editable() const {
ERR_FAIL_COND_V(!spatial_node, false);
Node *edited_root = spatial_node->get_tree()->get_edited_scene_root();
if (spatial_node == edited_root) {
return true;
}
if (spatial_node->get_owner() == edited_root) {
return true;
}
if (edited_root->is_editable_instance(spatial_node->get_owner())) {
return true;
}
return false;
}
void EditorNode3DGizmo::clear() {
for (int i = 0; i < instances.size(); i++) {
if (instances[i].instance.is_valid()) {
RS::get_singleton()->free(instances[i].instance);
}
}
billboard_handle = false;
collision_segments.clear();
collision_mesh = Ref<TriangleMesh>();
instances.clear();
handles.clear();
secondary_handles.clear();
}
void EditorNode3DGizmo::redraw() {
if (get_script_instance() && get_script_instance()->has_method("redraw")) {
get_script_instance()->call("redraw");
return;
}
ERR_FAIL_COND(!gizmo_plugin);
gizmo_plugin->redraw(this);
}
String EditorNode3DGizmo::get_handle_name(int p_idx) const {
if (get_script_instance() && get_script_instance()->has_method("get_handle_name")) {
return get_script_instance()->call("get_handle_name", p_idx);
}
ERR_FAIL_COND_V(!gizmo_plugin, "");
return gizmo_plugin->get_handle_name(this, p_idx);
}
bool EditorNode3DGizmo::is_handle_highlighted(int p_idx) const {
if (get_script_instance() && get_script_instance()->has_method("is_handle_highlighted")) {
return get_script_instance()->call("is_handle_highlighted", p_idx);
}
ERR_FAIL_COND_V(!gizmo_plugin, false);
return gizmo_plugin->is_handle_highlighted(this, p_idx);
}
Variant EditorNode3DGizmo::get_handle_value(int p_idx) {
if (get_script_instance() && get_script_instance()->has_method("get_handle_value")) {
return get_script_instance()->call("get_handle_value", p_idx);
}
ERR_FAIL_COND_V(!gizmo_plugin, Variant());
return gizmo_plugin->get_handle_value(this, p_idx);
}
void EditorNode3DGizmo::set_handle(int p_idx, Camera3D *p_camera, const Point2 &p_point) {
if (get_script_instance() && get_script_instance()->has_method("set_handle")) {
get_script_instance()->call("set_handle", p_idx, p_camera, p_point);
return;
}
ERR_FAIL_COND(!gizmo_plugin);
gizmo_plugin->set_handle(this, p_idx, p_camera, p_point);
}
void EditorNode3DGizmo::commit_handle(int p_idx, const Variant &p_restore, bool p_cancel) {
if (get_script_instance() && get_script_instance()->has_method("commit_handle")) {
get_script_instance()->call("commit_handle", p_idx, p_restore, p_cancel);
return;
}
ERR_FAIL_COND(!gizmo_plugin);
gizmo_plugin->commit_handle(this, p_idx, p_restore, p_cancel);
}
void EditorNode3DGizmo::set_spatial_node(Node3D *p_node) {
ERR_FAIL_NULL(p_node);
spatial_node = p_node;
}
void EditorNode3DGizmo::Instance::create_instance(Node3D *p_base, bool p_hidden) {
instance = RS::get_singleton()->instance_create2(mesh->get_rid(), p_base->get_world_3d()->get_scenario());
RS::get_singleton()->instance_attach_object_instance_id(instance, p_base->get_instance_id());
if (skin_reference.is_valid()) {
RS::get_singleton()->instance_attach_skeleton(instance, skin_reference->get_skeleton());
}
if (extra_margin) {
RS::get_singleton()->instance_set_extra_visibility_margin(instance, 1);
}
RS::get_singleton()->instance_geometry_set_cast_shadows_setting(instance, RS::SHADOW_CASTING_SETTING_OFF);
int layer = p_hidden ? 0 : 1 << Node3DEditorViewport::GIZMO_EDIT_LAYER;
RS::get_singleton()->instance_set_layer_mask(instance, layer); //gizmos are 26
}
void EditorNode3DGizmo::add_mesh(const Ref<ArrayMesh> &p_mesh, bool p_billboard, const Ref<SkinReference> &p_skin_reference, const Ref<Material> &p_material) {
ERR_FAIL_COND(!spatial_node);
Instance ins;
ins.billboard = p_billboard;
ins.mesh = p_mesh;
ins.skin_reference = p_skin_reference;
ins.material = p_material;
if (valid) {
ins.create_instance(spatial_node, hidden);
RS::get_singleton()->instance_set_transform(ins.instance, spatial_node->get_global_transform());
if (ins.material.is_valid()) {
RS::get_singleton()->instance_geometry_set_material_override(ins.instance, p_material->get_rid());
}
}
instances.push_back(ins);
}
void EditorNode3DGizmo::add_lines(const Vector<Vector3> &p_lines, const Ref<Material> &p_material, bool p_billboard, const Color &p_modulate) {
if (p_lines.empty()) {
return;
}
ERR_FAIL_COND(!spatial_node);
Instance ins;
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX] = p_lines;
Vector<Color> color;
color.resize(p_lines.size());
{
Color *w = color.ptrw();
for (int i = 0; i < p_lines.size(); i++) {
if (is_selected()) {
w[i] = Color(1, 1, 1, 0.8) * p_modulate;
} else {
w[i] = Color(1, 1, 1, 0.2) * p_modulate;
}
}
}
a[Mesh::ARRAY_COLOR] = color;
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, a);
mesh->surface_set_material(0, p_material);
if (p_billboard) {
float md = 0;
for (int i = 0; i < p_lines.size(); i++) {
md = MAX(0, p_lines[i].length());
}
if (md) {
mesh->set_custom_aabb(AABB(Vector3(-md, -md, -md), Vector3(md, md, md) * 2.0));
}
}
ins.billboard = p_billboard;
ins.mesh = mesh;
if (valid) {
ins.create_instance(spatial_node, hidden);
RS::get_singleton()->instance_set_transform(ins.instance, spatial_node->get_global_transform());
}
instances.push_back(ins);
}
void EditorNode3DGizmo::add_unscaled_billboard(const Ref<Material> &p_material, float p_scale, const Color &p_modulate) {
ERR_FAIL_COND(!spatial_node);
Instance ins;
Vector<Vector3> vs;
Vector<Vector2> uv;
Vector<Color> colors;
vs.push_back(Vector3(-p_scale, p_scale, 0));
vs.push_back(Vector3(p_scale, p_scale, 0));
vs.push_back(Vector3(p_scale, -p_scale, 0));
vs.push_back(Vector3(-p_scale, -p_scale, 0));
uv.push_back(Vector2(0, 0));
uv.push_back(Vector2(1, 0));
uv.push_back(Vector2(1, 1));
uv.push_back(Vector2(0, 1));
colors.push_back(p_modulate);
colors.push_back(p_modulate);
colors.push_back(p_modulate);
colors.push_back(p_modulate);
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX] = vs;
a[Mesh::ARRAY_TEX_UV] = uv;
Vector<int> indices;
indices.push_back(0);
indices.push_back(1);
indices.push_back(2);
indices.push_back(0);
indices.push_back(2);
indices.push_back(3);
a[Mesh::ARRAY_INDEX] = indices;
a[Mesh::ARRAY_COLOR] = colors;
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, a);
mesh->surface_set_material(0, p_material);
float md = 0;
for (int i = 0; i < vs.size(); i++) {
md = MAX(0, vs[i].length());
}
if (md) {
mesh->set_custom_aabb(AABB(Vector3(-md, -md, -md), Vector3(md, md, md) * 2.0));
}
selectable_icon_size = p_scale;
mesh->set_custom_aabb(AABB(Vector3(-selectable_icon_size, -selectable_icon_size, -selectable_icon_size) * 100.0f, Vector3(selectable_icon_size, selectable_icon_size, selectable_icon_size) * 200.0f));
ins.mesh = mesh;
ins.unscaled = true;
ins.billboard = true;
if (valid) {
ins.create_instance(spatial_node, hidden);
RS::get_singleton()->instance_set_transform(ins.instance, spatial_node->get_global_transform());
}
selectable_icon_size = p_scale;
instances.push_back(ins);
}
void EditorNode3DGizmo::add_collision_triangles(const Ref<TriangleMesh> &p_tmesh) {
collision_mesh = p_tmesh;
}
void EditorNode3DGizmo::add_collision_segments(const Vector<Vector3> &p_lines) {
int from = collision_segments.size();
collision_segments.resize(from + p_lines.size());
for (int i = 0; i < p_lines.size(); i++) {
collision_segments.write[from + i] = p_lines[i];
}
}
void EditorNode3DGizmo::add_handles(const Vector<Vector3> &p_handles, const Ref<Material> &p_material, bool p_billboard, bool p_secondary) {
billboard_handle = p_billboard;
if (!is_selected() || !is_editable()) {
return;
}
ERR_FAIL_COND(!spatial_node);
Instance ins;
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Array a;
a.resize(RS::ARRAY_MAX);
a[RS::ARRAY_VERTEX] = p_handles;
Vector<Color> colors;
{
colors.resize(p_handles.size());
Color *w = colors.ptrw();
for (int i = 0; i < p_handles.size(); i++) {
Color col(1, 1, 1, 1);
if (is_handle_highlighted(i)) {
col = Color(0, 0, 1, 0.9);
}
if (Node3DEditor::get_singleton()->get_over_gizmo_handle() != i) {
col.a = 0.8;
}
w[i] = col;
}
}
a[RS::ARRAY_COLOR] = colors;
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_POINTS, a);
mesh->surface_set_material(0, p_material);
if (p_billboard) {
float md = 0;
for (int i = 0; i < p_handles.size(); i++) {
md = MAX(0, p_handles[i].length());
}
if (md) {
mesh->set_custom_aabb(AABB(Vector3(-md, -md, -md), Vector3(md, md, md) * 2.0));
}
}
ins.mesh = mesh;
ins.billboard = p_billboard;
ins.extra_margin = true;
if (valid) {
ins.create_instance(spatial_node, hidden);
RS::get_singleton()->instance_set_transform(ins.instance, spatial_node->get_global_transform());
}
instances.push_back(ins);
if (!p_secondary) {
int chs = handles.size();
handles.resize(chs + p_handles.size());
for (int i = 0; i < p_handles.size(); i++) {
handles.write[i + chs] = p_handles[i];
}
} else {
int chs = secondary_handles.size();
secondary_handles.resize(chs + p_handles.size());
for (int i = 0; i < p_handles.size(); i++) {
secondary_handles.write[i + chs] = p_handles[i];
}
}
}
void EditorNode3DGizmo::add_solid_box(Ref<Material> &p_material, Vector3 p_size, Vector3 p_position) {
ERR_FAIL_COND(!spatial_node);
CubeMesh cubem;
cubem.set_size(p_size);
Array arrays = cubem.surface_get_arrays(0);
PackedVector3Array vertex = arrays[RS::ARRAY_VERTEX];
Vector3 *w = vertex.ptrw();
for (int i = 0; i < vertex.size(); ++i) {
w[i] += p_position;
}
arrays[RS::ARRAY_VERTEX] = vertex;
Ref<ArrayMesh> m = memnew(ArrayMesh);
m->add_surface_from_arrays(cubem.surface_get_primitive_type(0), arrays);
m->surface_set_material(0, p_material);
add_mesh(m);
}
bool EditorNode3DGizmo::intersect_frustum(const Camera3D *p_camera, const Vector<Plane> &p_frustum) {
ERR_FAIL_COND_V(!spatial_node, false);
ERR_FAIL_COND_V(!valid, false);
if (hidden && !gizmo_plugin->is_selectable_when_hidden()) {
return false;
}
if (selectable_icon_size > 0.0f) {
Vector3 origin = spatial_node->get_global_transform().get_origin();
const Plane *p = p_frustum.ptr();
int fc = p_frustum.size();
bool any_out = false;
for (int j = 0; j < fc; j++) {
if (p[j].is_point_over(origin)) {
any_out = true;
break;
}
}
return !any_out;
}
if (collision_segments.size()) {
const Plane *p = p_frustum.ptr();
int fc = p_frustum.size();
int vc = collision_segments.size();
const Vector3 *vptr = collision_segments.ptr();
Transform t = spatial_node->get_global_transform();
bool any_out = false;
for (int j = 0; j < fc; j++) {
for (int i = 0; i < vc; i++) {
Vector3 v = t.xform(vptr[i]);
if (p[j].is_point_over(v)) {
any_out = true;
break;
}
}
if (any_out) {
break;
}
}
if (!any_out) {
return true;
}
}
if (collision_mesh.is_valid()) {
Transform t = spatial_node->get_global_transform();
Vector3 mesh_scale = t.get_basis().get_scale();
t.orthonormalize();
Transform it = t.affine_inverse();
Vector<Plane> transformed_frustum;
for (int i = 0; i < p_frustum.size(); i++) {
transformed_frustum.push_back(it.xform(p_frustum[i]));
}
Vector<Vector3> convex_points = Geometry3D::compute_convex_mesh_points(p_frustum.ptr(), p_frustum.size());
if (collision_mesh->inside_convex_shape(transformed_frustum.ptr(), transformed_frustum.size(), convex_points.ptr(), convex_points.size(), mesh_scale)) {
return true;
}
}
return false;
}
bool EditorNode3DGizmo::intersect_ray(Camera3D *p_camera, const Point2 &p_point, Vector3 &r_pos, Vector3 &r_normal, int *r_gizmo_handle, bool p_sec_first) {
ERR_FAIL_COND_V(!spatial_node, false);
ERR_FAIL_COND_V(!valid, false);
if (hidden && !gizmo_plugin->is_selectable_when_hidden()) {
return false;
}
if (r_gizmo_handle && !hidden) {
Transform t = spatial_node->get_global_transform();
if (billboard_handle) {
t.set_look_at(t.origin, t.origin - p_camera->get_transform().basis.get_axis(2), p_camera->get_transform().basis.get_axis(1));
}
float min_d = 1e20;
int idx = -1;
for (int i = 0; i < secondary_handles.size(); i++) {
Vector3 hpos = t.xform(secondary_handles[i]);
Vector2 p = p_camera->unproject_position(hpos);
if (p.distance_to(p_point) < HANDLE_HALF_SIZE) {
real_t dp = p_camera->get_transform().origin.distance_to(hpos);
if (dp < min_d) {
r_pos = t.xform(hpos);
r_normal = p_camera->get_transform().basis.get_axis(2);
min_d = dp;
idx = i + handles.size();
}
}
}
if (p_sec_first && idx != -1) {
*r_gizmo_handle = idx;
return true;
}
min_d = 1e20;
for (int i = 0; i < handles.size(); i++) {
Vector3 hpos = t.xform(handles[i]);
Vector2 p = p_camera->unproject_position(hpos);
if (p.distance_to(p_point) < HANDLE_HALF_SIZE) {
real_t dp = p_camera->get_transform().origin.distance_to(hpos);
if (dp < min_d) {
r_pos = t.xform(hpos);
r_normal = p_camera->get_transform().basis.get_axis(2);
min_d = dp;
idx = i;
}
}
}
if (idx >= 0) {
*r_gizmo_handle = idx;
return true;
}
}
if (selectable_icon_size > 0.0f) {
Transform t = spatial_node->get_global_transform();
Vector3 camera_position = p_camera->get_camera_transform().origin;
if (camera_position.distance_squared_to(t.origin) > 0.01) {
t.set_look_at(t.origin, camera_position, Vector3(0, 1, 0));
}
float scale = t.origin.distance_to(p_camera->get_camera_transform().origin);
if (p_camera->get_projection() == Camera3D::PROJECTION_ORTHOGONAL) {
float aspect = p_camera->get_viewport()->get_visible_rect().size.aspect();
float size = p_camera->get_size();
scale = size / aspect;
}
Point2 center = p_camera->unproject_position(t.origin);
Transform orig_camera_transform = p_camera->get_camera_transform();
if (orig_camera_transform.origin.distance_squared_to(t.origin) > 0.01 &&
ABS(orig_camera_transform.basis.get_axis(Vector3::AXIS_Z).dot(Vector3(0, 1, 0))) < 0.99) {
p_camera->look_at(t.origin, Vector3(0, 1, 0));
}
Vector3 c0 = t.xform(Vector3(selectable_icon_size, selectable_icon_size, 0) * scale);
Vector3 c1 = t.xform(Vector3(-selectable_icon_size, -selectable_icon_size, 0) * scale);
Point2 p0 = p_camera->unproject_position(c0);
Point2 p1 = p_camera->unproject_position(c1);
p_camera->set_global_transform(orig_camera_transform);
Rect2 rect(p0, (p1 - p0).abs());
rect.set_position(center - rect.get_size() / 2.0);
if (rect.has_point(p_point)) {
r_pos = t.origin;
r_normal = -p_camera->project_ray_normal(p_point);
return true;
}
return false;
}
if (collision_segments.size()) {
Plane camp(p_camera->get_transform().origin, (-p_camera->get_transform().basis.get_axis(2)).normalized());
int vc = collision_segments.size();
const Vector3 *vptr = collision_segments.ptr();
Transform t = spatial_node->get_global_transform();
if (billboard_handle) {
t.set_look_at(t.origin, t.origin - p_camera->get_transform().basis.get_axis(2), p_camera->get_transform().basis.get_axis(1));
}
Vector3 cp;
float cpd = 1e20;
for (int i = 0; i < vc / 2; i++) {
Vector3 a = t.xform(vptr[i * 2 + 0]);
Vector3 b = t.xform(vptr[i * 2 + 1]);
Vector2 s[2];
s[0] = p_camera->unproject_position(a);
s[1] = p_camera->unproject_position(b);
Vector2 p = Geometry2D::get_closest_point_to_segment(p_point, s);
float pd = p.distance_to(p_point);
if (pd < cpd) {
float d = s[0].distance_to(s[1]);
Vector3 tcp;
if (d > 0) {
float d2 = s[0].distance_to(p) / d;
tcp = a + (b - a) * d2;
} else {
tcp = a;
}
if (camp.distance_to(tcp) < p_camera->get_znear()) {
continue;
}
cp = tcp;
cpd = pd;
}
}
if (cpd < 8) {
r_pos = cp;
r_normal = -p_camera->project_ray_normal(p_point);
return true;
}
return false;
}
if (collision_mesh.is_valid()) {
Transform gt = spatial_node->get_global_transform();
if (billboard_handle) {
gt.set_look_at(gt.origin, gt.origin - p_camera->get_transform().basis.get_axis(2), p_camera->get_transform().basis.get_axis(1));
}
Transform ai = gt.affine_inverse();
Vector3 ray_from = ai.xform(p_camera->project_ray_origin(p_point));
Vector3 ray_dir = ai.basis.xform(p_camera->project_ray_normal(p_point)).normalized();
Vector3 rpos, rnorm;
if (collision_mesh->intersect_ray(ray_from, ray_dir, rpos, rnorm)) {
r_pos = gt.xform(rpos);
r_normal = gt.basis.xform(rnorm).normalized();
return true;
}
}
return false;
}
void EditorNode3DGizmo::create() {
ERR_FAIL_COND(!spatial_node);
ERR_FAIL_COND(valid);
valid = true;
for (int i = 0; i < instances.size(); i++) {
instances.write[i].create_instance(spatial_node, hidden);
}
transform();
}
void EditorNode3DGizmo::transform() {
ERR_FAIL_COND(!spatial_node);
ERR_FAIL_COND(!valid);
for (int i = 0; i < instances.size(); i++) {
RS::get_singleton()->instance_set_transform(instances[i].instance, spatial_node->get_global_transform());
}
}
void EditorNode3DGizmo::free() {
ERR_FAIL_COND(!spatial_node);
ERR_FAIL_COND(!valid);
for (int i = 0; i < instances.size(); i++) {
if (instances[i].instance.is_valid()) {
RS::get_singleton()->free(instances[i].instance);
}
instances.write[i].instance = RID();
}
clear();
valid = false;
}
void EditorNode3DGizmo::set_hidden(bool p_hidden) {
hidden = p_hidden;
int layer = hidden ? 0 : 1 << Node3DEditorViewport::GIZMO_EDIT_LAYER;
for (int i = 0; i < instances.size(); ++i) {
RS::get_singleton()->instance_set_layer_mask(instances[i].instance, layer);
}
}
void EditorNode3DGizmo::set_plugin(EditorNode3DGizmoPlugin *p_plugin) {
gizmo_plugin = p_plugin;
}
void EditorNode3DGizmo::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_lines", "lines", "material", "billboard", "modulate"), &EditorNode3DGizmo::add_lines, DEFVAL(false), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("add_mesh", "mesh", "billboard", "skeleton", "material"), &EditorNode3DGizmo::add_mesh, DEFVAL(false), DEFVAL(Ref<SkinReference>()), DEFVAL(Variant()));
ClassDB::bind_method(D_METHOD("add_collision_segments", "segments"), &EditorNode3DGizmo::add_collision_segments);
ClassDB::bind_method(D_METHOD("add_collision_triangles", "triangles"), &EditorNode3DGizmo::add_collision_triangles);
ClassDB::bind_method(D_METHOD("add_unscaled_billboard", "material", "default_scale", "modulate"), &EditorNode3DGizmo::add_unscaled_billboard, DEFVAL(1), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("add_handles", "handles", "material", "billboard", "secondary"), &EditorNode3DGizmo::add_handles, DEFVAL(false), DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_spatial_node", "node"), &EditorNode3DGizmo::_set_spatial_node);
ClassDB::bind_method(D_METHOD("get_spatial_node"), &EditorNode3DGizmo::get_spatial_node);
ClassDB::bind_method(D_METHOD("get_plugin"), &EditorNode3DGizmo::get_plugin);
ClassDB::bind_method(D_METHOD("clear"), &EditorNode3DGizmo::clear);
ClassDB::bind_method(D_METHOD("set_hidden", "hidden"), &EditorNode3DGizmo::set_hidden);
BIND_VMETHOD(MethodInfo("redraw"));
BIND_VMETHOD(MethodInfo(Variant::STRING, "get_handle_name", PropertyInfo(Variant::INT, "index")));
BIND_VMETHOD(MethodInfo(Variant::BOOL, "is_handle_highlighted", PropertyInfo(Variant::INT, "index")));
MethodInfo hvget(Variant::NIL, "get_handle_value", PropertyInfo(Variant::INT, "index"));
hvget.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
BIND_VMETHOD(hvget);
BIND_VMETHOD(MethodInfo("set_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::OBJECT, "camera", PROPERTY_HINT_RESOURCE_TYPE, "Camera3D"), PropertyInfo(Variant::VECTOR2, "point")));
MethodInfo cm = MethodInfo("commit_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::NIL, "restore"), PropertyInfo(Variant::BOOL, "cancel"));
cm.default_arguments.push_back(false);
BIND_VMETHOD(cm);
}
EditorNode3DGizmo::EditorNode3DGizmo() {
valid = false;
billboard_handle = false;
hidden = false;
base = nullptr;
selected = false;
instanced = false;
spatial_node = nullptr;
gizmo_plugin = nullptr;
selectable_icon_size = -1.0f;
}
EditorNode3DGizmo::~EditorNode3DGizmo() {
if (gizmo_plugin != nullptr) {
gizmo_plugin->unregister_gizmo(this);
}
clear();
}
Vector3 EditorNode3DGizmo::get_handle_pos(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, handles.size(), Vector3());
return handles[p_idx];
}
//// light gizmo
Light3DGizmoPlugin::Light3DGizmoPlugin() {
// Enable vertex colors for the materials below as the gizmo color depends on the light color.
create_material("lines_primary", Color(1, 1, 1), false, false, true);
create_material("lines_secondary", Color(1, 1, 1, 0.35), false, false, true);
create_material("lines_billboard", Color(1, 1, 1), true, false, true);
create_icon_material("light_directional_icon", Node3DEditor::get_singleton()->get_theme_icon("GizmoDirectionalLight", "EditorIcons"));
create_icon_material("light_omni_icon", Node3DEditor::get_singleton()->get_theme_icon("GizmoLight", "EditorIcons"));
create_icon_material("light_spot_icon", Node3DEditor::get_singleton()->get_theme_icon("GizmoSpotLight", "EditorIcons"));
create_handle_material("handles");
create_handle_material("handles_billboard", true);
}
bool Light3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<Light3D>(p_spatial) != nullptr;
}
String Light3DGizmoPlugin::get_name() const {
return "Light3D";
}
int Light3DGizmoPlugin::get_priority() const {
return -1;
}
String Light3DGizmoPlugin::get_handle_name(const EditorNode3DGizmo *p_gizmo, int p_idx) const {
if (p_idx == 0) {
return "Radius";
} else {
return "Aperture";
}
}
Variant Light3DGizmoPlugin::get_handle_value(EditorNode3DGizmo *p_gizmo, int p_idx) const {
Light3D *light = Object::cast_to<Light3D>(p_gizmo->get_spatial_node());
if (p_idx == 0) {
return light->get_param(Light3D::PARAM_RANGE);
}
if (p_idx == 1) {
return light->get_param(Light3D::PARAM_SPOT_ANGLE);
}
return Variant();
}
static float _find_closest_angle_to_half_pi_arc(const Vector3 &p_from, const Vector3 &p_to, float p_arc_radius, const Transform &p_arc_xform) {
//bleh, discrete is simpler
static const int arc_test_points = 64;
float min_d = 1e20;
Vector3 min_p;
for (int i = 0; i < arc_test_points; i++) {
float a = i * Math_PI * 0.5 / arc_test_points;
float an = (i + 1) * Math_PI * 0.5 / arc_test_points;
Vector3 p = Vector3(Math::cos(a), 0, -Math::sin(a)) * p_arc_radius;
Vector3 n = Vector3(Math::cos(an), 0, -Math::sin(an)) * p_arc_radius;
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(p, n, p_from, p_to, ra, rb);
float d = ra.distance_to(rb);
if (d < min_d) {
min_d = d;
min_p = ra;
}
}
//min_p = p_arc_xform.affine_inverse().xform(min_p);
float a = (Math_PI * 0.5) - Vector2(min_p.x, -min_p.z).angle();
return a * 180.0 / Math_PI;
}
void Light3DGizmoPlugin::set_handle(EditorNode3DGizmo *p_gizmo, int p_idx, Camera3D *p_camera, const Point2 &p_point) {
Light3D *light = Object::cast_to<Light3D>(p_gizmo->get_spatial_node());
Transform gt = light->get_global_transform();
Transform gi = gt.affine_inverse();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 s[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 4096) };
if (p_idx == 0) {
if (Object::cast_to<SpotLight3D>(light)) {
Vector3 ra, rb;
Geometry3D::get_closest_points_between_segments(Vector3(), Vector3(0, 0, -4096), s[0], s[1], ra, rb);
float d = -ra.z;
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
d = Math::stepify(d, Node3DEditor::get_singleton()->get_translate_snap());
}
if (d <= 0) { // Equal is here for negative zero.
d = 0;
}
light->set_param(Light3D::PARAM_RANGE, d);
} else if (Object::cast_to<OmniLight3D>(light)) {
Plane cp = Plane(gt.origin, p_camera->get_transform().basis.get_axis(2));
Vector3 inters;
if (cp.intersects_ray(ray_from, ray_dir, &inters)) {
float r = inters.distance_to(gt.origin);
if (Node3DEditor::get_singleton()->is_snap_enabled()) {
r = Math::stepify(r, Node3DEditor::get_singleton()->get_translate_snap());
}
light->set_param(Light3D::PARAM_RANGE, r);
}
}
} else if (p_idx == 1) {
float a = _find_closest_angle_to_half_pi_arc(s[0], s[1], light->get_param(Light3D::PARAM_RANGE), gt);
light->set_param(Light3D::PARAM_SPOT_ANGLE, CLAMP(a, 0.01, 89.99));
}
}
void Light3DGizmoPlugin::commit_handle(EditorNode3DGizmo *p_gizmo, int p_idx, const Variant &p_restore, bool p_cancel) {
Light3D *light = Object::cast_to<Light3D>(p_gizmo->get_spatial_node());
if (p_cancel) {
light->set_param(p_idx == 0 ? Light3D::PARAM_RANGE : Light3D::PARAM_SPOT_ANGLE, p_restore);
} else if (p_idx == 0) {
UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Light Radius"));
ur->add_do_method(light, "set_param", Light3D::PARAM_RANGE, light->get_param(Light3D::PARAM_RANGE));
ur->add_undo_method(light, "set_param", Light3D::PARAM_RANGE, p_restore);
ur->commit_action();
} else if (p_idx == 1) {
UndoRedo *ur = Node3DEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Light Radius"));
ur->add_do_method(light, "set_param", Light3D::PARAM_SPOT_ANGLE, light->get_param(Light3D::PARAM_SPOT_ANGLE));
ur->add_undo_method(light, "set_param", Light3D::PARAM_SPOT_ANGLE, p_restore);
ur->commit_action();
}
}
void Light3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
Light3D *light = Object::cast_to<Light3D>(p_gizmo->get_spatial_node());
Color color = light->get_color();
// Make the gizmo color as bright as possible for better visibility
color.set_hsv(color.get_h(), color.get_s(), 1);
p_gizmo->clear();
if (Object::cast_to<DirectionalLight3D>(light)) {
Ref<Material> material = get_material("lines_primary", p_gizmo);
Ref<Material> icon = get_material("light_directional_icon", p_gizmo);
const int arrow_points = 7;
const float arrow_length = 1.5;
Vector3 arrow[arrow_points] = {
Vector3(0, 0, -1),
Vector3(0, 0.8, 0),
Vector3(0, 0.3, 0),
Vector3(0, 0.3, arrow_length),
Vector3(0, -0.3, arrow_length),
Vector3(0, -0.3, 0),
Vector3(0, -0.8, 0)
};
int arrow_sides = 2;
Vector<Vector3> lines;
for (int i = 0; i < arrow_sides; i++) {
for (int j = 0; j < arrow_points; j++) {
Basis ma(Vector3(0, 0, 1), Math_PI * i / arrow_sides);
Vector3 v1 = arrow[j] - Vector3(0, 0, arrow_length);
Vector3 v2 = arrow[(j + 1) % arrow_points] - Vector3(0, 0, arrow_length);
lines.push_back(ma.xform(v1));
lines.push_back(ma.xform(v2));
}
}
p_gizmo->add_lines(lines, material, false, color);
p_gizmo->add_unscaled_billboard(icon, 0.05, color);
}
if (Object::cast_to<OmniLight3D>(light)) {
// Use both a billboard circle and 3 non-billboard circles for a better sphere-like representation
const Ref<Material> lines_material = get_material("lines_secondary", p_gizmo);
const Ref<Material> lines_billboard_material = get_material("lines_billboard", p_gizmo);
const Ref<Material> icon = get_material("light_omni_icon", p_gizmo);
OmniLight3D *on = Object::cast_to<OmniLight3D>(light);
const float r = on->get_param(Light3D::PARAM_RANGE);
Vector<Vector3> points;
Vector<Vector3> points_billboard;
for (int i = 0; i < 120; i++) {
// Create a circle
const float ra = Math::deg2rad((float)(i * 3));
const float rb = Math::deg2rad((float)((i + 1) * 3));
const Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * r;
const Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * r;
// Draw axis-aligned circles
points.push_back(Vector3(a.x, 0, a.y));
points.push_back(Vector3(b.x, 0, b.y));
points.push_back(Vector3(0, a.x, a.y));
points.push_back(Vector3(0, b.x, b.y));
points.push_back(Vector3(a.x, a.y, 0));
points.push_back(Vector3(b.x, b.y, 0));
// Draw a billboarded circle
points_billboard.push_back(Vector3(a.x, a.y, 0));
points_billboard.push_back(Vector3(b.x, b.y, 0));
}
p_gizmo->add_lines(points, lines_material, true, color);
p_gizmo->add_lines(points_billboard, lines_billboard_material, true, color);
p_gizmo->add_unscaled_billboard(icon, 0.05, color);
Vector<Vector3> handles;
handles.push_back(Vector3(r, 0, 0));
p_gizmo->add_handles(handles, get_material("handles_billboard"), true);
}
if (Object::cast_to<SpotLight3D>(light)) {
const Ref<Material> material_primary = get_material("lines_primary", p_gizmo);