virtualx-engine/editor/plugins/gizmos/mesh_instance_3d_gizmo_plugin.cpp
smix8 b8de7b72c6 Fix gizmo redraw performance for PlaneMesh with larger subdiv value
Fixes gizmo redraw performance for PlaneMesh with larger subdiv value.
2024-09-12 22:31:56 +02:00

87 lines
3.9 KiB
C++

/**************************************************************************/
/* mesh_instance_3d_gizmo_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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#include "mesh_instance_3d_gizmo_plugin.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/soft_body_3d.h"
#include "scene/resources/3d/primitive_meshes.h"
MeshInstance3DGizmoPlugin::MeshInstance3DGizmoPlugin() {
}
bool MeshInstance3DGizmoPlugin::has_gizmo(Node3D *p_spatial) {
return Object::cast_to<MeshInstance3D>(p_spatial) != nullptr && Object::cast_to<SoftBody3D>(p_spatial) == nullptr;
}
String MeshInstance3DGizmoPlugin::get_gizmo_name() const {
return "MeshInstance3D";
}
int MeshInstance3DGizmoPlugin::get_priority() const {
return -1;
}
bool MeshInstance3DGizmoPlugin::can_be_hidden() const {
return false;
}
void MeshInstance3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
MeshInstance3D *mesh = Object::cast_to<MeshInstance3D>(p_gizmo->get_node_3d());
p_gizmo->clear();
Ref<Mesh> m = mesh->get_mesh();
if (!m.is_valid()) {
return; //none
}
Ref<TriangleMesh> tm;
Ref<PlaneMesh> plane_mesh = mesh->get_mesh();
if (plane_mesh.is_valid() && (plane_mesh->get_subdivide_depth() > 0 || plane_mesh->get_subdivide_width() > 0)) {
// PlaneMesh subdiv makes gizmo redraw very slow due to TriangleMesh BVH calculation for every face.
// For gizmo collision this is very much unnecessary since a PlaneMesh is always flat, 2 faces is enough.
Ref<PlaneMesh> simple_plane_mesh;
simple_plane_mesh.instantiate();
simple_plane_mesh->set_orientation(plane_mesh->get_orientation());
simple_plane_mesh->set_size(plane_mesh->get_size());
simple_plane_mesh->set_center_offset(plane_mesh->get_center_offset());
tm = simple_plane_mesh->generate_triangle_mesh();
} else {
tm = m->generate_triangle_mesh();
}
if (tm.is_valid()) {
p_gizmo->add_collision_triangles(tm);
}
}