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Merge pull request #82321 from ywmaa/custom_debug_color_curve3D

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Allow customizing debug color of Path3D.
This commit is contained in:
Rémi Verschelde 2025-03-21 13:02:57 +01:00
commit e50ac32d5a
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GPG key ID: C3336907360768E1
5 changed files with 87 additions and 8 deletions
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49
scene/3d/path_3d.cpp
View file

@ -154,13 +154,15 @@ void Path3D::_update_debug_mesh() {
bone_array.resize(Mesh::ARRAY_MAX);
bone_array[Mesh::ARRAY_VERTEX] = bones;
_update_debug_path_material();
debug_mesh->clear_surfaces();
debug_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINE_STRIP, ribbon_array);
debug_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, bone_array);
debug_mesh->surface_set_material(0, debug_material);
debug_mesh->surface_set_material(1, debug_material);
RS::get_singleton()->instance_set_base(debug_instance, debug_mesh->get_rid());
RS::get_singleton()->mesh_surface_set_material(debug_mesh->get_rid(), 0, st->get_debug_paths_material()->get_rid());
RS::get_singleton()->mesh_surface_set_material(debug_mesh->get_rid(), 1, st->get_debug_paths_material()->get_rid());
if (is_inside_tree()) {
RS::get_singleton()->instance_set_scenario(debug_instance, get_world_3d()->get_scenario());
RS::get_singleton()->instance_set_transform(debug_instance, get_global_transform());
@ -168,6 +170,42 @@ void Path3D::_update_debug_mesh() {
}
}
void Path3D::set_debug_custom_color(const Color &p_color) {
debug_custom_color = p_color;
_update_debug_path_material();
}
Ref<StandardMaterial3D> Path3D::get_debug_material() {
return debug_material;
}
const Color &Path3D::get_debug_custom_color() const {
return debug_custom_color;
}
void Path3D::_update_debug_path_material() {
SceneTree *st = SceneTree::get_singleton();
if (!debug_material.is_valid()) {
Ref<StandardMaterial3D> material = memnew(StandardMaterial3D);
debug_material = material;
material->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
material->set_transparency(StandardMaterial3D::TRANSPARENCY_ALPHA);
material->set_flag(StandardMaterial3D::FLAG_SRGB_VERTEX_COLOR, true);
material->set_flag(StandardMaterial3D::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
material->set_flag(StandardMaterial3D::FLAG_DISABLE_FOG, true);
}
Color color = debug_custom_color;
if (color == Color(0.0, 0.0, 0.0)) {
// Use the default debug path color defined in the Project Settings.
color = st->get_debug_paths_color();
}
get_debug_material()->set_albedo(color);
emit_signal(SNAME("debug_color_changed"));
}
void Path3D::_curve_changed() {
if (is_inside_tree() && Engine::get_singleton()->is_editor_hint()) {
update_gizmos();
@ -214,9 +252,16 @@ void Path3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &Path3D::set_curve);
ClassDB::bind_method(D_METHOD("get_curve"), &Path3D::get_curve);
ClassDB::bind_method(D_METHOD("set_debug_custom_color", "debug_custom_color"), &Path3D::set_debug_custom_color);
ClassDB::bind_method(D_METHOD("get_debug_custom_color"), &Path3D::get_debug_custom_color);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve3D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT), "set_curve", "get_curve");
ADD_GROUP("Debug Shape", "debug_");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "debug_custom_color"), "set_debug_custom_color", "get_debug_custom_color");
ADD_SIGNAL(MethodInfo("curve_changed"));
ADD_SIGNAL(MethodInfo("debug_color_changed"));
}
void PathFollow3D::update_transform() {

11
scene/3d/path_3d.h
View file

@ -39,11 +39,14 @@ class Path3D : public Node3D {
private:
Ref<Curve3D> curve;
RID debug_instance;
Color debug_custom_color;
Ref<ArrayMesh> debug_mesh;
Ref<Material> debug_material;
Callable update_callback; // Used only by CSG currently.
void _update_debug_mesh();
void _update_debug_path_material();
void _curve_changed();
protected:
@ -57,6 +60,14 @@ public:
void set_curve(const Ref<Curve3D> &p_curve);
Ref<Curve3D> get_curve() const;
const Color &get_debug_custom_color() const;
void set_debug_custom_color(const Color &p_color);
bool get_debug_show() const;
void set_debug_show(bool p_show);
Ref<StandardMaterial3D> get_debug_material();
Path3D();
~Path3D();
};