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6df53e0401fd7c2f8e81cd7d8189584706d3d7d8
godot/editor/plugins/mesh_library_editor_plugin.cpp
Daniel Rakos 6df53e0401 MeshLibrary export improvements 
- From now materials assigned to the MeshInstance (not the Mesh) get exported
  into the MeshLibrary when such materials exist. This enables workflows where
  the MeshLibrary is exported from an imported scene (e.g. GLTF) where the
  materials assigned to the Mesh (not the MeshInstance) get overwritten on
  re-import, thus can't use editor set materials in the exported MeshLibrary
  unless they are assigned to the MeshInstance whose materials get saved with
  the inherited scene thus persist across re-imports.
- When appending to an existing MeshLibrary only generate previews for newly
  added or modified meshes.
- During preview generation transform camera and lights instead of the mesh
  and use the source MeshInstance's transform for the mesh to avoid weird
  previews being generated for meshes with a position dependent material
  (e.g. when using triplanar mapping).
- Adjust the camera angle and light directions used in mesh preview generation
  for better results.
2019-02-03 22:48:35 +01:00

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/*************************************************************************/
/* mesh_library_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 "mesh_library_editor_plugin.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "main/main.h"
#include "scene/3d/mesh_instance.h"
#include "scene/3d/navigation_mesh.h"
#include "scene/3d/physics_body.h"
#include "scene/main/viewport.h"
#include "scene/resources/packed_scene.h"
#include "spatial_editor_plugin.h"
void MeshLibraryEditor::edit(const Ref<MeshLibrary> &p_mesh_library) {
mesh_library = p_mesh_library;
if (mesh_library.is_valid())
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), !mesh_library->has_meta("_editor_source_scene"));
}
void MeshLibraryEditor::_menu_confirm() {
switch (option) {
case MENU_OPTION_REMOVE_ITEM: {
mesh_library->remove_item(to_erase);
} break;
case MENU_OPTION_UPDATE_FROM_SCENE: {
String existing = mesh_library->get_meta("_editor_source_scene");
ERR_FAIL_COND(existing == "");
_import_scene_cbk(existing);
} break;
default: {};
}
}
void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library, bool p_merge) {
if (!p_merge)
p_library->clear();
Map<int, MeshInstance *> mesh_instances;
for (int i = 0; i < p_scene->get_child_count(); i++) {
Node *child = p_scene->get_child(i);
if (!Object::cast_to<MeshInstance>(child)) {
if (child->get_child_count() > 0) {
child = child->get_child(0);
if (!Object::cast_to<MeshInstance>(child)) {
continue;
}
} else
continue;
}
MeshInstance *mi = Object::cast_to<MeshInstance>(child);
Ref<Mesh> mesh = mi->get_mesh();
if (mesh.is_null())
continue;
mesh = mesh->duplicate();
for (int j = 0; j < mesh->get_surface_count(); ++j) {
Ref<Material> mat = mi->get_surface_material(j);
if (mat.is_valid()) {
mesh->surface_set_material(j, mat);
}
}
int id = p_library->find_item_by_name(mi->get_name());
if (id < 0) {
id = p_library->get_last_unused_item_id();
p_library->create_item(id);
p_library->set_item_name(id, mi->get_name());
}
p_library->set_item_mesh(id, mesh);
mesh_instances[id] = mi;
Vector<MeshLibrary::ShapeData> collisions;
for (int j = 0; j < mi->get_child_count(); j++) {
Node *child2 = mi->get_child(j);
if (!Object::cast_to<StaticBody>(child2))
continue;
StaticBody *sb = Object::cast_to<StaticBody>(child2);
List<uint32_t> shapes;
sb->get_shape_owners(&shapes);
for (List<uint32_t>::Element *E = shapes.front(); E; E = E->next()) {
if (sb->is_shape_owner_disabled(E->get()))
continue;
//Transform shape_transform = sb->shape_owner_get_transform(E->get());
//shape_transform.set_origin(shape_transform.get_origin() - phys_offset);
for (int k = 0; k < sb->shape_owner_get_shape_count(E->get()); k++) {
Ref<Shape> collision = sb->shape_owner_get_shape(E->get(), k);
if (!collision.is_valid())
continue;
MeshLibrary::ShapeData shape_data;
shape_data.shape = collision;
shape_data.local_transform = sb->shape_owner_get_transform(E->get());
collisions.push_back(shape_data);
}
}
}
p_library->set_item_shapes(id, collisions);
Ref<NavigationMesh> navmesh;
for (int j = 0; j < mi->get_child_count(); j++) {
Node *child2 = mi->get_child(j);
if (!Object::cast_to<NavigationMeshInstance>(child2))
continue;
NavigationMeshInstance *sb = Object::cast_to<NavigationMeshInstance>(child2);
navmesh = sb->get_navigation_mesh();
if (!navmesh.is_null())
break;
}
if (!navmesh.is_null()) {
p_library->set_item_navmesh(id, navmesh);
}
}
//generate previews!
if (1) {
Vector<Ref<Mesh> > meshes;
Vector<Transform> transforms;
Vector<int> ids = p_library->get_item_list();
for (int i = 0; i < ids.size(); i++) {
if (mesh_instances.find(ids[i])) {
meshes.push_back(p_library->get_item_mesh(ids[i]));
transforms.push_back(mesh_instances[ids[i]]->get_transform());
}
}
Vector<Ref<Texture> > textures = EditorInterface::get_singleton()->make_mesh_previews(meshes, &transforms, EditorSettings::get_singleton()->get("editors/grid_map/preview_size"));
int j = 0;
for (int i = 0; i < ids.size(); i++) {
if (mesh_instances.find(ids[i])) {
p_library->set_item_preview(ids[i], textures[j]);
j++;
}
}
}
}
void MeshLibraryEditor::_import_scene_cbk(const String &p_str) {
Ref<PackedScene> ps = ResourceLoader::load(p_str, "PackedScene");
ERR_FAIL_COND(ps.is_null());
Node *scene = ps->instance();
_import_scene(scene, mesh_library, option == MENU_OPTION_UPDATE_FROM_SCENE);
memdelete(scene);
mesh_library->set_meta("_editor_source_scene", p_str);
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), false);
}
Error MeshLibraryEditor::update_library_file(Node *p_base_scene, Ref<MeshLibrary> ml, bool p_merge) {
_import_scene(p_base_scene, ml, p_merge);
return OK;
}
void MeshLibraryEditor::_menu_cbk(int p_option) {
option = p_option;
switch (p_option) {
case MENU_OPTION_ADD_ITEM: {
mesh_library->create_item(mesh_library->get_last_unused_item_id());
} break;
case MENU_OPTION_REMOVE_ITEM: {
String p = editor->get_inspector()->get_selected_path();
if (p.begins_with("/MeshLibrary/item") && p.get_slice_count("/") >= 3) {
to_erase = p.get_slice("/", 3).to_int();
cd->set_text(vformat(TTR("Remove item %d?"), to_erase));
cd->popup_centered(Size2(300, 60));
}
} break;
case MENU_OPTION_IMPORT_FROM_SCENE: {
file->popup_centered_ratio();
} break;
case MENU_OPTION_UPDATE_FROM_SCENE: {
cd->set_text("Update from existing scene?:\n" + String(mesh_library->get_meta("_editor_source_scene")));
cd->popup_centered(Size2(500, 60));
} break;
}
}
void MeshLibraryEditor::_bind_methods() {
ClassDB::bind_method("_menu_cbk", &MeshLibraryEditor::_menu_cbk);
ClassDB::bind_method("_menu_confirm", &MeshLibraryEditor::_menu_confirm);
ClassDB::bind_method("_import_scene_cbk", &MeshLibraryEditor::_import_scene_cbk);
}
MeshLibraryEditor::MeshLibraryEditor(EditorNode *p_editor) {
file = memnew(EditorFileDialog);
file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
//not for now?
List<String> extensions;
ResourceLoader::get_recognized_extensions_for_type("PackedScene", &extensions);
file->clear_filters();
file->set_title(TTR("Import Scene"));
for (int i = 0; i < extensions.size(); i++) {
file->add_filter("*." + extensions[i] + " ; " + extensions[i].to_upper());
}
add_child(file);
file->connect("file_selected", this, "_import_scene_cbk");
menu = memnew(MenuButton);
SpatialEditor::get_singleton()->add_control_to_menu_panel(menu);
menu->set_position(Point2(1, 1));
menu->set_text("Mesh Library");
menu->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("MeshLibrary", "EditorIcons"));
menu->get_popup()->add_item(TTR("Add Item"), MENU_OPTION_ADD_ITEM);
menu->get_popup()->add_item(TTR("Remove Selected Item"), MENU_OPTION_REMOVE_ITEM);
menu->get_popup()->add_separator();
menu->get_popup()->add_item(TTR("Import from Scene"), MENU_OPTION_IMPORT_FROM_SCENE);
menu->get_popup()->add_item(TTR("Update from Scene"), MENU_OPTION_UPDATE_FROM_SCENE);
menu->get_popup()->set_item_disabled(menu->get_popup()->get_item_index(MENU_OPTION_UPDATE_FROM_SCENE), true);
menu->get_popup()->connect("id_pressed", this, "_menu_cbk");
menu->hide();
editor = p_editor;
cd = memnew(ConfirmationDialog);
add_child(cd);
cd->get_ok()->connect("pressed", this, "_menu_confirm");
}
void MeshLibraryEditorPlugin::edit(Object *p_node) {
if (Object::cast_to<MeshLibrary>(p_node)) {
mesh_library_editor->edit(Object::cast_to<MeshLibrary>(p_node));
mesh_library_editor->show();
} else
mesh_library_editor->hide();
}
bool MeshLibraryEditorPlugin::handles(Object *p_node) const {
return p_node->is_class("MeshLibrary");
}
void MeshLibraryEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
mesh_library_editor->show();
mesh_library_editor->get_menu_button()->show();
} else {
mesh_library_editor->hide();
mesh_library_editor->get_menu_button()->hide();
}
}
MeshLibraryEditorPlugin::MeshLibraryEditorPlugin(EditorNode *p_node) {
EDITOR_DEF("editors/grid_map/preview_size", 64);
mesh_library_editor = memnew(MeshLibraryEditor(p_node));
p_node->get_viewport()->add_child(mesh_library_editor);
mesh_library_editor->set_anchors_and_margins_preset(Control::PRESET_TOP_WIDE);
mesh_library_editor->set_end(Point2(0, 22));
mesh_library_editor->hide();
}
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