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node_3d_editor_gizmos.cpp
1193 lines (957 loc) · 38.7 KB
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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) 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 "node_3d_editor_gizmos.h"
#include "core/math/geometry_2d.h"
#include "core/math/geometry_3d.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/resources/3d/primitive_meshes.h"
#define HANDLE_HALF_SIZE 9.5
bool EditorNode3DGizmo::is_editable() const {
ERR_FAIL_NULL_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() {
ERR_FAIL_NULL(RenderingServer::get_singleton());
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();
handle_ids.clear();
secondary_handles.clear();
secondary_handle_ids.clear();
}
void EditorNode3DGizmo::redraw() {
if (!GDVIRTUAL_CALL(_redraw)) {
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->redraw(this);
}
if (Node3DEditor::get_singleton()->is_current_selected_gizmo(this)) {
Node3DEditor::get_singleton()->update_transform_gizmo();
}
}
String EditorNode3DGizmo::get_handle_name(int p_id, bool p_secondary) const {
String ret;
if (GDVIRTUAL_CALL(_get_handle_name, p_id, p_secondary, ret)) {
return ret;
}
ERR_FAIL_NULL_V(gizmo_plugin, "");
return gizmo_plugin->get_handle_name(this, p_id, p_secondary);
}
bool EditorNode3DGizmo::is_handle_highlighted(int p_id, bool p_secondary) const {
bool success;
if (GDVIRTUAL_CALL(_is_handle_highlighted, p_id, p_secondary, success)) {
return success;
}
ERR_FAIL_NULL_V(gizmo_plugin, false);
return gizmo_plugin->is_handle_highlighted(this, p_id, p_secondary);
}
Variant EditorNode3DGizmo::get_handle_value(int p_id, bool p_secondary) const {
Variant value;
if (GDVIRTUAL_CALL(_get_handle_value, p_id, p_secondary, value)) {
return value;
}
ERR_FAIL_NULL_V(gizmo_plugin, Variant());
return gizmo_plugin->get_handle_value(this, p_id, p_secondary);
}
void EditorNode3DGizmo::begin_handle_action(int p_id, bool p_secondary) {
if (GDVIRTUAL_CALL(_begin_handle_action, p_id, p_secondary)) {
return;
}
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->begin_handle_action(this, p_id, p_secondary);
}
void EditorNode3DGizmo::set_handle(int p_id, bool p_secondary, Camera3D *p_camera, const Point2 &p_point) {
if (GDVIRTUAL_CALL(_set_handle, p_id, p_secondary, p_camera, p_point)) {
return;
}
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->set_handle(this, p_id, p_secondary, p_camera, p_point);
}
void EditorNode3DGizmo::commit_handle(int p_id, bool p_secondary, const Variant &p_restore, bool p_cancel) {
if (GDVIRTUAL_CALL(_commit_handle, p_id, p_secondary, p_restore, p_cancel)) {
return;
}
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->commit_handle(this, p_id, p_secondary, p_restore, p_cancel);
}
int EditorNode3DGizmo::subgizmos_intersect_ray(Camera3D *p_camera, const Vector2 &p_point) const {
int id;
if (GDVIRTUAL_CALL(_subgizmos_intersect_ray, p_camera, p_point, id)) {
return id;
}
ERR_FAIL_NULL_V(gizmo_plugin, -1);
return gizmo_plugin->subgizmos_intersect_ray(this, p_camera, p_point);
}
Vector<int> EditorNode3DGizmo::subgizmos_intersect_frustum(const Camera3D *p_camera, const Vector<Plane> &p_frustum) const {
TypedArray<Plane> frustum;
frustum.resize(p_frustum.size());
for (int i = 0; i < p_frustum.size(); i++) {
frustum[i] = p_frustum[i];
}
Vector<int> ret;
if (GDVIRTUAL_CALL(_subgizmos_intersect_frustum, p_camera, frustum, ret)) {
return ret;
}
ERR_FAIL_NULL_V(gizmo_plugin, Vector<int>());
return gizmo_plugin->subgizmos_intersect_frustum(this, p_camera, p_frustum);
}
Transform3D EditorNode3DGizmo::get_subgizmo_transform(int p_id) const {
Transform3D ret;
if (GDVIRTUAL_CALL(_get_subgizmo_transform, p_id, ret)) {
return ret;
}
ERR_FAIL_NULL_V(gizmo_plugin, Transform3D());
return gizmo_plugin->get_subgizmo_transform(this, p_id);
}
void EditorNode3DGizmo::set_subgizmo_transform(int p_id, Transform3D p_transform) {
if (GDVIRTUAL_CALL(_set_subgizmo_transform, p_id, p_transform)) {
return;
}
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->set_subgizmo_transform(this, p_id, p_transform);
}
void EditorNode3DGizmo::commit_subgizmos(const Vector<int> &p_ids, const Vector<Transform3D> &p_restore, bool p_cancel) {
TypedArray<Transform3D> restore;
restore.resize(p_restore.size());
for (int i = 0; i < p_restore.size(); i++) {
restore[i] = p_restore[i];
}
if (GDVIRTUAL_CALL(_commit_subgizmos, p_ids, restore, p_cancel)) {
return;
}
ERR_FAIL_NULL(gizmo_plugin);
gizmo_plugin->commit_subgizmos(this, p_ids, p_restore, p_cancel);
}
void EditorNode3DGizmo::set_node_3d(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
RS::get_singleton()->instance_geometry_set_flag(instance, RS::INSTANCE_FLAG_IGNORE_OCCLUSION_CULLING, true);
RS::get_singleton()->instance_geometry_set_flag(instance, RS::INSTANCE_FLAG_USE_BAKED_LIGHT, false);
}
void EditorNode3DGizmo::add_mesh(const Ref<Mesh> &p_mesh, const Ref<Material> &p_material, const Transform3D &p_xform, const Ref<SkinReference> &p_skin_reference) {
ERR_FAIL_NULL(spatial_node);
ERR_FAIL_COND_MSG(!p_mesh.is_valid(), "EditorNode3DGizmo.add_mesh() requires a valid Mesh resource.");
Instance ins;
ins.mesh = p_mesh;
ins.skin_reference = p_skin_reference;
ins.material = p_material;
ins.xform = p_xform;
if (valid) {
ins.create_instance(spatial_node, hidden);
RS::get_singleton()->instance_set_transform(ins.instance, spatial_node->get_global_transform() * ins.xform);
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) {
add_vertices(p_lines, p_material, Mesh::PRIMITIVE_LINES, p_billboard, p_modulate);
}
void EditorNode3DGizmo::add_vertices(const Vector<Vector3> &p_vertices, const Ref<Material> &p_material, Mesh::PrimitiveType p_primitive_type, bool p_billboard, const Color &p_modulate) {
if (p_vertices.is_empty()) {
return;
}
ERR_FAIL_NULL(spatial_node);
Instance ins;
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX] = p_vertices;
Vector<Color> color;
color.resize(p_vertices.size());
{
Color *w = color.ptrw();
for (int i = 0; i < p_vertices.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(p_primitive_type, a);
mesh->surface_set_material(0, p_material);
if (p_billboard) {
float md = 0;
for (int i = 0; i < p_vertices.size(); i++) {
md = MAX(0, p_vertices[i].length());
}
if (md) {
mesh->set_custom_aabb(AABB(Vector3(-md, -md, -md), Vector3(md, md, md) * 2.0));
}
}
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, real_t p_scale, const Color &p_modulate) {
ERR_FAIL_NULL(spatial_node);
Instance ins;
Vector<Vector3> vs = {
Vector3(-p_scale, p_scale, 0),
Vector3(p_scale, p_scale, 0),
Vector3(p_scale, -p_scale, 0),
Vector3(-p_scale, -p_scale, 0)
};
Vector<Vector2> uv = {
Vector2(0, 0),
Vector2(1, 0),
Vector2(1, 1),
Vector2(0, 1)
};
Vector<Color> colors = {
p_modulate,
p_modulate,
p_modulate,
p_modulate
};
Vector<int> indices = { 0, 1, 2, 0, 2, 3 };
Ref<ArrayMesh> mesh = memnew(ArrayMesh);
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX] = vs;
a[Mesh::ARRAY_TEX_UV] = uv;
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;
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, const Vector<int> &p_ids, bool p_billboard, bool p_secondary) {
billboard_handle = p_billboard;
if (!is_selected() || !is_editable()) {
return;
}
ERR_FAIL_NULL(spatial_node);
Vector<Vector3> &handle_list = p_secondary ? secondary_handles : handles;
Vector<int> &id_list = p_secondary ? secondary_handle_ids : handle_ids;
if (p_ids.is_empty()) {
ERR_FAIL_COND_MSG(!id_list.is_empty(), "IDs must be provided for all handles, as handles with IDs already exist.");
} else {
ERR_FAIL_COND_MSG(p_handles.size() != p_ids.size(), "The number of IDs should be the same as the number of handles.");
}
bool is_current_hover_gizmo = Node3DEditor::get_singleton()->get_current_hover_gizmo() == this;
bool current_hover_handle_secondary;
int current_hover_handle = Node3DEditor::get_singleton()->get_current_hover_gizmo_handle(current_hover_handle_secondary);
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, p_secondary)) {
col = Color(0, 0, 1, 0.9);
}
int id = p_ids.is_empty() ? i : p_ids[i];
if (!is_current_hover_gizmo || current_hover_handle != id || p_secondary != current_hover_handle_secondary) {
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.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);
int current_size = handle_list.size();
handle_list.resize(current_size + p_handles.size());
for (int i = 0; i < p_handles.size(); i++) {
handle_list.write[current_size + i] = p_handles[i];
}
if (!p_ids.is_empty()) {
current_size = id_list.size();
id_list.resize(current_size + p_ids.size());
for (int i = 0; i < p_ids.size(); i++) {
id_list.write[current_size + i] = p_ids[i];
}
}
}
void EditorNode3DGizmo::add_solid_box(const Ref<Material> &p_material, Vector3 p_size, Vector3 p_position, const Transform3D &p_xform) {
ERR_FAIL_NULL(spatial_node);
BoxMesh box_mesh;
box_mesh.set_size(p_size);
Array arrays = box_mesh.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(box_mesh.surface_get_primitive_type(0), arrays);
add_mesh(m, p_material, p_xform);
}
bool EditorNode3DGizmo::intersect_frustum(const Camera3D *p_camera, const Vector<Plane> &p_frustum) {
ERR_FAIL_NULL_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();
Transform3D 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()) {
Transform3D t = spatial_node->get_global_transform();
Vector3 mesh_scale = t.get_basis().get_scale();
t.orthonormalize();
Transform3D it = t.affine_inverse();
Vector<Plane> transformed_frustum;
int plane_count = p_frustum.size();
transformed_frustum.resize(plane_count);
for (int i = 0; i < plane_count; i++) {
transformed_frustum.write[i] = it.xform(p_frustum[i]);
}
Vector<Vector3> convex_points = Geometry3D::compute_convex_mesh_points(transformed_frustum.ptr(), plane_count);
if (collision_mesh->inside_convex_shape(transformed_frustum.ptr(), plane_count, convex_points.ptr(), convex_points.size(), mesh_scale)) {
return true;
}
}
return false;
}
void EditorNode3DGizmo::handles_intersect_ray(Camera3D *p_camera, const Vector2 &p_point, bool p_shift_pressed, int &r_id, bool &r_secondary) {
r_id = -1;
r_secondary = false;
ERR_FAIL_NULL(spatial_node);
ERR_FAIL_COND(!valid);
if (hidden) {
return;
}
Transform3D camera_xform = p_camera->get_global_transform();
Transform3D t = spatial_node->get_global_transform();
if (billboard_handle) {
t.set_look_at(t.origin, t.origin - camera_xform.basis.get_column(2), camera_xform.basis.get_column(1));
}
float min_d = 1e20;
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) {
min_d = dp;
if (secondary_handle_ids.is_empty()) {
r_id = i;
} else {
r_id = secondary_handle_ids[i];
}
r_secondary = true;
}
}
}
if (r_id != -1 && p_shift_pressed) {
return;
}
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) {
min_d = dp;
if (handle_ids.is_empty()) {
r_id = i;
} else {
r_id = handle_ids[i];
}
r_secondary = false;
}
}
}
}
bool EditorNode3DGizmo::intersect_ray(Camera3D *p_camera, const Point2 &p_point, Vector3 &r_pos, Vector3 &r_normal) {
ERR_FAIL_NULL_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) {
Transform3D t = spatial_node->get_global_transform();
Vector3 camera_position = p_camera->get_camera_transform().origin;
if (!camera_position.is_equal_approx(t.origin)) {
t.set_look_at(t.origin, camera_position);
}
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);
Transform3D orig_camera_transform = p_camera->get_camera_transform();
if (!orig_camera_transform.origin.is_equal_approx(t.origin) &&
ABS(orig_camera_transform.basis.get_column(Vector3::AXIS_Z).dot(Vector3(0, 1, 0))) < 0.99) {
p_camera->look_at(t.origin);
}
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;
}
}
if (collision_segments.size()) {
Plane camp(-p_camera->get_transform().basis.get_column(2).normalized(), p_camera->get_transform().origin);
int vc = collision_segments.size();
const Vector3 *vptr = collision_segments.ptr();
Transform3D t = spatial_node->get_global_transform();
if (billboard_handle) {
t.set_look_at(t.origin, t.origin - p_camera->get_transform().basis.get_column(2), p_camera->get_transform().basis.get_column(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_near()) {
continue;
}
cp = tcp;
cpd = pd;
}
}
if (cpd < 8) {
r_pos = cp;
r_normal = -p_camera->project_ray_normal(p_point);
return true;
}
}
if (collision_mesh.is_valid()) {
Transform3D gt = spatial_node->get_global_transform();
if (billboard_handle) {
gt.set_look_at(gt.origin, gt.origin - p_camera->get_transform().basis.get_column(2), p_camera->get_transform().basis.get_column(1));
}
Transform3D 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;
}
bool EditorNode3DGizmo::is_subgizmo_selected(int p_id) const {
Node3DEditor *ed = Node3DEditor::get_singleton();
ERR_FAIL_NULL_V(ed, false);
return ed->is_current_selected_gizmo(this) && ed->is_subgizmo_selected(p_id);
}
Vector<int> EditorNode3DGizmo::get_subgizmo_selection() const {
Vector<int> ret;
Node3DEditor *ed = Node3DEditor::get_singleton();
ERR_FAIL_NULL_V(ed, ret);
if (ed->is_current_selected_gizmo(this)) {
ret = ed->get_subgizmo_selection();
}
return ret;
}
void EditorNode3DGizmo::create() {
ERR_FAIL_NULL(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_NULL(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() * instances[i].xform);
}
}
void EditorNode3DGizmo::free() {
ERR_FAIL_NULL(RenderingServer::get_singleton());
ERR_FAIL_NULL(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", "material", "transform", "skeleton"), &EditorNode3DGizmo::add_mesh, DEFVAL(Variant()), DEFVAL(Transform3D()), DEFVAL(Ref<SkinReference>()));
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", "ids", "billboard", "secondary"), &EditorNode3DGizmo::add_handles, DEFVAL(false), DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_node_3d", "node"), &EditorNode3DGizmo::_set_node_3d);
ClassDB::bind_method(D_METHOD("get_node_3d"), &EditorNode3DGizmo::get_node_3d);
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);
ClassDB::bind_method(D_METHOD("is_subgizmo_selected", "id"), &EditorNode3DGizmo::is_subgizmo_selected);
ClassDB::bind_method(D_METHOD("get_subgizmo_selection"), &EditorNode3DGizmo::get_subgizmo_selection);
GDVIRTUAL_BIND(_redraw);
GDVIRTUAL_BIND(_get_handle_name, "id", "secondary");
GDVIRTUAL_BIND(_is_handle_highlighted, "id", "secondary");
GDVIRTUAL_BIND(_get_handle_value, "id", "secondary");
GDVIRTUAL_BIND(_begin_handle_action, "id", "secondary");
GDVIRTUAL_BIND(_set_handle, "id", "secondary", "camera", "point");
GDVIRTUAL_BIND(_commit_handle, "id", "secondary", "restore", "cancel");
GDVIRTUAL_BIND(_subgizmos_intersect_ray, "camera", "point");
GDVIRTUAL_BIND(_subgizmos_intersect_frustum, "camera", "frustum");
GDVIRTUAL_BIND(_set_subgizmo_transform, "id", "transform");
GDVIRTUAL_BIND(_get_subgizmo_transform, "id");
GDVIRTUAL_BIND(_commit_subgizmos, "ids", "restores", "cancel");
}
EditorNode3DGizmo::EditorNode3DGizmo() {
valid = false;
billboard_handle = false;
hidden = false;
selected = false;
spatial_node = nullptr;
gizmo_plugin = nullptr;
selectable_icon_size = -1.0f;
}
EditorNode3DGizmo::~EditorNode3DGizmo() {
if (gizmo_plugin != nullptr) {
gizmo_plugin->unregister_gizmo(this);
}
clear();
}
/////
void EditorNode3DGizmoPlugin::create_material(const String &p_name, const Color &p_color, bool p_billboard, bool p_on_top, bool p_use_vertex_color) {
Color instantiated_color = EDITOR_GET("editors/3d_gizmos/gizmo_colors/instantiated");
Vector<Ref<StandardMaterial3D>> mats;
for (int i = 0; i < 4; i++) {
bool selected = i % 2 == 1;
bool instantiated = i < 2;
Ref<StandardMaterial3D> material = Ref<StandardMaterial3D>(memnew(StandardMaterial3D));
Color color = instantiated ? instantiated_color : p_color;
if (!selected) {
color.a *= 0.3;
}
material->set_albedo(color);
material->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
material->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA);
material->set_render_priority(StandardMaterial3D::RENDER_PRIORITY_MIN + 1);
material->set_cull_mode(StandardMaterial3D::CULL_DISABLED);
material->set_flag(StandardMaterial3D::FLAG_DISABLE_FOG, true);
if (p_use_vertex_color) {
material->set_flag(StandardMaterial3D::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
material->set_flag(StandardMaterial3D::FLAG_SRGB_VERTEX_COLOR, true);
}
if (p_billboard) {
material->set_billboard_mode(StandardMaterial3D::BILLBOARD_ENABLED);
}
if (p_on_top && selected) {
material->set_on_top_of_alpha();
}
mats.push_back(material);
}
materials[p_name] = mats;
}
void EditorNode3DGizmoPlugin::create_icon_material(const String &p_name, const Ref<Texture2D> &p_texture, bool p_on_top, const Color &p_albedo) {
Color instantiated_color = EDITOR_GET("editors/3d_gizmos/gizmo_colors/instantiated");
Vector<Ref<StandardMaterial3D>> icons;
for (int i = 0; i < 4; i++) {
bool selected = i % 2 == 1;
bool instantiated = i < 2;
Ref<StandardMaterial3D> icon = Ref<StandardMaterial3D>(memnew(StandardMaterial3D));
Color color = instantiated ? instantiated_color : p_albedo;
if (!selected) {
color.r *= 0.6;
color.g *= 0.6;
color.b *= 0.6;
}
icon->set_albedo(color);
icon->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
icon->set_flag(StandardMaterial3D::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
icon->set_flag(StandardMaterial3D::FLAG_SRGB_VERTEX_COLOR, true);
icon->set_flag(StandardMaterial3D::FLAG_DISABLE_FOG, true);
icon->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA_SCISSOR);
icon->set_alpha_scissor_threshold(0.1);
icon->set_texture(StandardMaterial3D::TEXTURE_ALBEDO, p_texture);
icon->set_flag(StandardMaterial3D::FLAG_FIXED_SIZE, true);
icon->set_billboard_mode(StandardMaterial3D::BILLBOARD_ENABLED);
icon->set_render_priority(StandardMaterial3D::RENDER_PRIORITY_MIN);
if (p_on_top && selected) {
icon->set_on_top_of_alpha();
}
icons.push_back(icon);
}
materials[p_name] = icons;
}
void EditorNode3DGizmoPlugin::create_handle_material(const String &p_name, bool p_billboard, const Ref<Texture2D> &p_icon) {
Ref<StandardMaterial3D> handle_material = Ref<StandardMaterial3D>(memnew(StandardMaterial3D));
handle_material->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
handle_material->set_flag(StandardMaterial3D::FLAG_USE_POINT_SIZE, true);
Ref<Texture2D> handle_t = p_icon != nullptr ? p_icon : EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("Editor3DHandle"), EditorStringName(EditorIcons));
handle_material->set_point_size(handle_t->get_width());
handle_material->set_texture(StandardMaterial3D::TEXTURE_ALBEDO, handle_t);
handle_material->set_albedo(Color(1, 1, 1));
handle_material->set_flag(StandardMaterial3D::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
handle_material->set_flag(StandardMaterial3D::FLAG_SRGB_VERTEX_COLOR, true);
handle_material->set_flag(StandardMaterial3D::FLAG_DISABLE_FOG, true);
handle_material->set_on_top_of_alpha();
if (p_billboard) {
handle_material->set_billboard_mode(StandardMaterial3D::BILLBOARD_ENABLED);
handle_material->set_on_top_of_alpha();
}
handle_material->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA);
materials[p_name] = Vector<Ref<StandardMaterial3D>>();
materials[p_name].push_back(handle_material);
}
void EditorNode3DGizmoPlugin::add_material(const String &p_name, Ref<StandardMaterial3D> p_material) {
materials[p_name] = Vector<Ref<StandardMaterial3D>>();
materials[p_name].push_back(p_material);
}
Ref<StandardMaterial3D> EditorNode3DGizmoPlugin::get_material(const String &p_name, const Ref<EditorNode3DGizmo> &p_gizmo) {
ERR_FAIL_COND_V(!materials.has(p_name), Ref<StandardMaterial3D>());
ERR_FAIL_COND_V(materials[p_name].is_empty(), Ref<StandardMaterial3D>());
if (p_gizmo.is_null() || materials[p_name].size() == 1) {
return materials[p_name][0];
}
int index = (p_gizmo->is_selected() ? 1 : 0) + (p_gizmo->is_editable() ? 2 : 0);
Ref<StandardMaterial3D> mat = materials[p_name][index];
bool on_top_mat = mat->get_flag(StandardMaterial3D::FLAG_DISABLE_DEPTH_TEST);
if (!on_top_mat && current_state == ON_TOP && p_gizmo->is_selected()) {
mat = mat->duplicate();
mat->set_flag(StandardMaterial3D::FLAG_DISABLE_DEPTH_TEST, true);
}
return mat;
}
String EditorNode3DGizmoPlugin::get_gizmo_name() const {
String ret;
if (GDVIRTUAL_CALL(_get_gizmo_name, ret)) {
return ret;
}
WARN_PRINT_ONCE("A 3D editor gizmo has no name defined (it will appear as \"Unnamed Gizmo\" in the \"View > Gizmos\" menu). To resolve this, override the `_get_gizmo_name()` function to return a String in the script that extends EditorNode3DGizmoPlugin.");
return TTR("Unnamed Gizmo");