/**************************************************************************/ /* packed_scene.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 "packed_scene.h" #include "core/config/engine.h" #include "core/config/project_settings.h" #include "core/core_string_names.h" #include "core/io/missing_resource.h" #include "core/io/resource_loader.h" #include "core/templates/local_vector.h" #include "scene/2d/node_2d.h" #include "scene/3d/node_3d.h" #include "scene/gui/control.h" #include "scene/main/instance_placeholder.h" #include "scene/main/missing_node.h" #include "scene/property_utils.h" #define PACKED_SCENE_VERSION 2 #define META_POINTER_PROPERTY_BASE "metadata/_editor_prop_ptr_" bool SceneState::can_instantiate() const { return nodes.size() > 0; } static Array _sanitize_node_pinned_properties(Node *p_node) { Array pinned = p_node->get_meta("_edit_pinned_properties_", Array()); if (pinned.is_empty()) { return Array(); } HashSet<StringName> storable_properties; p_node->get_storable_properties(storable_properties); int i = 0; do { if (storable_properties.has(pinned[i])) { i++; } else { pinned.remove_at(i); } } while (i < pinned.size()); if (pinned.is_empty()) { p_node->remove_meta("_edit_pinned_properties_"); } return pinned; } Node *SceneState::instantiate(GenEditState p_edit_state) const { // Nodes where instantiation failed (because something is missing.) List<Node *> stray_instances; #define NODE_FROM_ID(p_name, p_id) \ Node *p_name; \ if (p_id & FLAG_ID_IS_PATH) { \ NodePath np = node_paths[p_id & FLAG_MASK]; \ p_name = ret_nodes[0]->get_node_or_null(np); \ } else { \ ERR_FAIL_INDEX_V(p_id &FLAG_MASK, nc, nullptr); \ p_name = ret_nodes[p_id & FLAG_MASK]; \ } int nc = nodes.size(); ERR_FAIL_COND_V(nc == 0, nullptr); const StringName *snames = nullptr; int sname_count = names.size(); if (sname_count) { snames = &names[0]; } const Variant *props = nullptr; int prop_count = variants.size(); if (prop_count) { props = &variants[0]; } //Vector<Variant> properties; const NodeData *nd = &nodes[0]; Node **ret_nodes = (Node **)alloca(sizeof(Node *) * nc); bool gen_node_path_cache = p_edit_state != GEN_EDIT_STATE_DISABLED && node_path_cache.is_empty(); HashMap<Ref<Resource>, Ref<Resource>> resources_local_to_scene; LocalVector<DeferredNodePathProperties> deferred_node_paths; for (int i = 0; i < nc; i++) { const NodeData &n = nd[i]; Node *parent = nullptr; String old_parent_path; if (i > 0) { ERR_FAIL_COND_V_MSG(n.parent == -1, nullptr, vformat("Invalid scene: node %s does not specify its parent node.", snames[n.name])); NODE_FROM_ID(nparent, n.parent); #ifdef DEBUG_ENABLED if (!nparent && (n.parent & FLAG_ID_IS_PATH)) { WARN_PRINT(String("Parent path '" + String(node_paths[n.parent & FLAG_MASK]) + "' for node '" + String(snames[n.name]) + "' has vanished when instantiating: '" + get_path() + "'.").ascii().get_data()); old_parent_path = String(node_paths[n.parent & FLAG_MASK]).trim_prefix("./").replace("/", "@"); nparent = ret_nodes[0]; } #endif parent = nparent; } else { // i == 0 is root node. ERR_FAIL_COND_V_MSG(n.parent != -1, nullptr, vformat("Invalid scene: root node %s cannot specify a parent node.", snames[n.name])); ERR_FAIL_COND_V_MSG(n.type == TYPE_INSTANTIATED && base_scene_idx < 0, nullptr, vformat("Invalid scene: root node %s in an instance, but there's no base scene.", snames[n.name])); } Node *node = nullptr; MissingNode *missing_node = nullptr; if (i == 0 && base_scene_idx >= 0) { //scene inheritance on root node Ref<PackedScene> sdata = props[base_scene_idx]; ERR_FAIL_COND_V(!sdata.is_valid(), nullptr); node = sdata->instantiate(p_edit_state == GEN_EDIT_STATE_DISABLED ? PackedScene::GEN_EDIT_STATE_DISABLED : PackedScene::GEN_EDIT_STATE_INSTANCE); //only main gets main edit state ERR_FAIL_COND_V(!node, nullptr); if (p_edit_state != GEN_EDIT_STATE_DISABLED) { node->set_scene_inherited_state(sdata->get_state()); } } else if (n.instance >= 0) { //instance a scene into this node if (n.instance & FLAG_INSTANCE_IS_PLACEHOLDER) { String scene_path = props[n.instance & FLAG_MASK]; if (disable_placeholders) { Ref<PackedScene> sdata = ResourceLoader::load(scene_path, "PackedScene"); ERR_FAIL_COND_V(!sdata.is_valid(), nullptr); node = sdata->instantiate(p_edit_state == GEN_EDIT_STATE_DISABLED ? PackedScene::GEN_EDIT_STATE_DISABLED : PackedScene::GEN_EDIT_STATE_INSTANCE); ERR_FAIL_COND_V(!node, nullptr); } else { InstancePlaceholder *ip = memnew(InstancePlaceholder); ip->set_instance_path(scene_path); node = ip; } node->set_scene_instance_load_placeholder(true); } else { Ref<PackedScene> sdata = props[n.instance & FLAG_MASK]; ERR_FAIL_COND_V(!sdata.is_valid(), nullptr); node = sdata->instantiate(p_edit_state == GEN_EDIT_STATE_DISABLED ? PackedScene::GEN_EDIT_STATE_DISABLED : PackedScene::GEN_EDIT_STATE_INSTANCE); ERR_FAIL_COND_V(!node, nullptr); } } else if (n.type == TYPE_INSTANTIATED) { //get the node from somewhere, it likely already exists from another instance if (parent) { node = parent->_get_child_by_name(snames[n.name]); #ifdef DEBUG_ENABLED if (!node) { WARN_PRINT(String("Node '" + String(ret_nodes[0]->get_path_to(parent)) + "/" + String(snames[n.name]) + "' was modified from inside an instance, but it has vanished.").ascii().get_data()); } #endif } } else { //node belongs to this scene and must be created Object *obj = ClassDB::instantiate(snames[n.type]); node = Object::cast_to<Node>(obj); if (!node) { if (obj) { memdelete(obj); obj = nullptr; } if (ResourceLoader::is_creating_missing_resources_if_class_unavailable_enabled()) { missing_node = memnew(MissingNode); missing_node->set_original_class(snames[n.type]); missing_node->set_recording_properties(true); node = missing_node; obj = missing_node; } else { WARN_PRINT(vformat("Node %s of type %s cannot be created. A placeholder will be created instead.", snames[n.name], snames[n.type]).ascii().get_data()); if (n.parent >= 0 && n.parent < nc && ret_nodes[n.parent]) { if (Object::cast_to<Control>(ret_nodes[n.parent])) { obj = memnew(Control); } else if (Object::cast_to<Node2D>(ret_nodes[n.parent])) { obj = memnew(Node2D); #ifndef _3D_DISABLED } else if (Object::cast_to<Node3D>(ret_nodes[n.parent])) { obj = memnew(Node3D); #endif // _3D_DISABLED } } if (!obj) { obj = memnew(Node); } node = Object::cast_to<Node>(obj); } } } if (node) { // may not have found the node (part of instantiated scene and removed) // if found all is good, otherwise ignore //properties int nprop_count = n.properties.size(); if (nprop_count) { const NodeData::Property *nprops = &n.properties[0]; Dictionary missing_resource_properties; for (int j = 0; j < nprop_count; j++) { bool valid; ERR_FAIL_INDEX_V(nprops[j].value, prop_count, nullptr); if (nprops[j].name & FLAG_PATH_PROPERTY_IS_NODE) { uint32_t name_idx = nprops[j].name & (FLAG_PATH_PROPERTY_IS_NODE - 1); ERR_FAIL_UNSIGNED_INDEX_V(name_idx, (uint32_t)sname_count, nullptr); if (Engine::get_singleton()->is_editor_hint()) { // If editor, just set the metadata and be it node->set(META_POINTER_PROPERTY_BASE + String(snames[name_idx]), props[nprops[j].value]); } else { // Do an actual deferred sed of the property path. DeferredNodePathProperties dnp; dnp.path = props[nprops[j].value]; dnp.base = node; dnp.property = snames[name_idx]; deferred_node_paths.push_back(dnp); } continue; } ERR_FAIL_INDEX_V(nprops[j].name, sname_count, nullptr); if (snames[nprops[j].name] == CoreStringNames::get_singleton()->_script) { //work around to avoid old script variables from disappearing, should be the proper fix to: //https://github.com/godotengine/godot/issues/2958 //store old state List<Pair<StringName, Variant>> old_state; if (node->get_script_instance()) { node->get_script_instance()->get_property_state(old_state); } node->set(snames[nprops[j].name], props[nprops[j].value], &valid); //restore old state for new script, if exists for (const Pair<StringName, Variant> &E : old_state) { node->set(E.first, E.second); } } else { Variant value = props[nprops[j].value]; if (value.get_type() == Variant::OBJECT) { //handle resources that are local to scene by duplicating them if needed Ref<Resource> res = value; if (res.is_valid()) { if (res->is_local_to_scene()) { // In a situation where a local-to-scene resource is used in a child node of a non-editable instance, // we need to avoid the parent scene from overriding the resource potentially also used in the root // of the instantiated scene. That would to the instance having two different instances of the resource. // Since at this point it's too late to propagate the resource instance in the parent scene to all the relevant // nodes in the instance (and that would require very complex bookkepping), what we do instead is // tampering the resource object already there with the values from the node in the parent scene and // then tell this node to reference that resource. if (n.instance >= 0) { Ref<Resource> node_res = node->get(snames[nprops[j].name]); if (node_res.is_valid()) { node_res->copy_from(res); node_res->configure_for_local_scene(node, resources_local_to_scene); value = node_res; } } else { HashMap<Ref<Resource>, Ref<Resource>>::Iterator E = resources_local_to_scene.find(res); Node *base = i == 0 ? node : ret_nodes[0]; if (E) { value = E->value; } else { if (p_edit_state == GEN_EDIT_STATE_MAIN) { //for the main scene, use the resource as is res->configure_for_local_scene(base, resources_local_to_scene); resources_local_to_scene[res] = res; } else { //for instances, a copy must be made Ref<Resource> local_dupe = res->duplicate_for_local_scene(base, resources_local_to_scene); resources_local_to_scene[res] = local_dupe; value = local_dupe; } } } //must make a copy, because this res is local to scene } } } else if (p_edit_state == GEN_EDIT_STATE_INSTANCE) { value = value.duplicate(true); // Duplicate arrays and dictionaries for the editor } bool set_valid = true; if (ResourceLoader::is_creating_missing_resources_if_class_unavailable_enabled() && value.get_type() == Variant::OBJECT) { Ref<MissingResource> mr = value; if (mr.is_valid()) { missing_resource_properties[snames[nprops[j].name]] = mr; set_valid = false; } } if (set_valid) { node->set(snames[nprops[j].name], value, &valid); } } } if (!missing_resource_properties.is_empty()) { node->set_meta(META_MISSING_RESOURCES, missing_resource_properties); } } //name //groups for (int j = 0; j < n.groups.size(); j++) { ERR_FAIL_INDEX_V(n.groups[j], sname_count, nullptr); node->add_to_group(snames[n.groups[j]], true); } if (n.instance >= 0 || n.type != TYPE_INSTANTIATED || i == 0) { //if node was not part of instance, must set its name, parenthood and ownership if (i > 0) { if (parent) { parent->_add_child_nocheck(node, snames[n.name]); if (n.index >= 0 && n.index < parent->get_child_count() - 1) { parent->move_child(node, n.index); } } else { //it may be possible that an instantiated scene has changed //and the node has nowhere to go anymore stray_instances.push_back(node); //can't be added, go to stray list } } else { if (Engine::get_singleton()->is_editor_hint()) { //validate name if using editor, to avoid broken node->set_name(snames[n.name]); } else { node->_set_name_nocheck(snames[n.name]); } } } if (!old_parent_path.is_empty()) { node->_set_name_nocheck(old_parent_path + "@" + node->get_name()); } if (n.owner >= 0) { NODE_FROM_ID(owner, n.owner); if (owner) { node->_set_owner_nocheck(owner); if (node->data.unique_name_in_owner) { node->_acquire_unique_name_in_owner(); } } } // We only want to deal with pinned flag if instantiating as pure main (no instance, no inheriting.) if (p_edit_state == GEN_EDIT_STATE_MAIN) { _sanitize_node_pinned_properties(node); } else { node->remove_meta("_edit_pinned_properties_"); } } if (missing_node) { missing_node->set_recording_properties(false); } ret_nodes[i] = node; if (node && gen_node_path_cache && ret_nodes[0]) { NodePath n2 = ret_nodes[0]->get_path_to(node); node_path_cache[n2] = i; } } for (uint32_t i = 0; i < deferred_node_paths.size(); i++) { const DeferredNodePathProperties &dnp = deferred_node_paths[i]; Node *other = dnp.base->get_node_or_null(dnp.path); dnp.base->set(dnp.property, other); } for (KeyValue<Ref<Resource>, Ref<Resource>> &E : resources_local_to_scene) { if (E.value->get_local_scene() == ret_nodes[0]) { E.value->setup_local_to_scene(); } } //do connections int cc = connections.size(); const ConnectionData *cdata = connections.ptr(); for (int i = 0; i < cc; i++) { const ConnectionData &c = cdata[i]; //ERR_FAIL_INDEX_V( c.from, nc, nullptr ); //ERR_FAIL_INDEX_V( c.to, nc, nullptr ); NODE_FROM_ID(cfrom, c.from); NODE_FROM_ID(cto, c.to); if (!cfrom || !cto) { continue; } Callable callable(cto, snames[c.method]); if (c.unbinds > 0) { callable = callable.unbind(c.unbinds); } else if (!c.binds.is_empty()) { Vector<Variant> binds; if (c.binds.size()) { binds.resize(c.binds.size()); for (int j = 0; j < c.binds.size(); j++) { binds.write[j] = props[c.binds[j]]; } } const Variant **argptrs = (const Variant **)alloca(sizeof(Variant *) * binds.size()); for (int j = 0; j < binds.size(); j++) { argptrs[j] = &binds[j]; } callable = callable.bindp(argptrs, binds.size()); } cfrom->connect(snames[c.signal], callable, CONNECT_PERSIST | c.flags | (p_edit_state == GEN_EDIT_STATE_MAIN ? 0 : CONNECT_INHERITED)); } //Node *s = ret_nodes[0]; //remove nodes that could not be added, likely as a result that while (stray_instances.size()) { memdelete(stray_instances.front()->get()); stray_instances.pop_front(); } for (int i = 0; i < editable_instances.size(); i++) { Node *ei = ret_nodes[0]->get_node_or_null(editable_instances[i]); if (ei) { ret_nodes[0]->set_editable_instance(ei, true); } } return ret_nodes[0]; } static int _nm_get_string(const String &p_string, HashMap<StringName, int> &name_map) { if (name_map.has(p_string)) { return name_map[p_string]; } int idx = name_map.size(); name_map[p_string] = idx; return idx; } static int _vm_get_variant(const Variant &p_variant, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map) { if (variant_map.has(p_variant)) { return variant_map[p_variant]; } int idx = variant_map.size(); variant_map[p_variant] = idx; return idx; } Error SceneState::_parse_node(Node *p_owner, Node *p_node, int p_parent_idx, HashMap<StringName, int> &name_map, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map, HashMap<Node *, int> &node_map, HashMap<Node *, int> &nodepath_map) { // this function handles all the work related to properly packing scenes, be it // instantiated or inherited. // given the complexity of this process, an attempt will be made to properly // document it. if you fail to understand something, please ask! //discard nodes that do not belong to be processed if (p_node != p_owner && p_node->get_owner() != p_owner && !p_owner->is_editable_instance(p_node->get_owner())) { return OK; } bool is_editable_instance = false; // save the child instantiated scenes that are chosen as editable, so they can be restored // upon load back if (p_node != p_owner && !p_node->get_scene_file_path().is_empty() && p_owner->is_editable_instance(p_node)) { editable_instances.push_back(p_owner->get_path_to(p_node)); // Node is the root of an editable instance. is_editable_instance = true; } else if (p_node->get_owner() && p_owner->is_ancestor_of(p_node->get_owner()) && p_owner->is_editable_instance(p_node->get_owner())) { // Node is part of an editable instance. is_editable_instance = true; } NodeData nd; nd.name = _nm_get_string(p_node->get_name(), name_map); nd.instance = -1; //not instantiated by default //really convoluted condition, but it basically checks that index is only saved when part of an inherited scene OR the node parent is from the edited scene if (p_owner->get_scene_inherited_state().is_null() && (p_node == p_owner || (p_node->get_owner() == p_owner && (p_node->get_parent() == p_owner || p_node->get_parent()->get_owner() == p_owner)))) { //do not save index, because it belongs to saved scene and scene is not inherited nd.index = -1; } else if (p_node == p_owner) { //This (hopefully) happens if the node is a scene root, so its index is irrelevant. nd.index = -1; } else { //part of an inherited scene, or parent is from an instantiated scene nd.index = p_node->get_index(); } // if this node is part of an instantiated scene or sub-instantiated scene // we need to get the corresponding instance states. // with the instance states, we can query for identical properties/groups // and only save what has changed bool instantiated_by_owner = false; Vector<SceneState::PackState> states_stack = PropertyUtils::get_node_states_stack(p_node, p_owner, &instantiated_by_owner); if (!p_node->get_scene_file_path().is_empty() && p_node->get_owner() == p_owner && instantiated_by_owner) { if (p_node->get_scene_instance_load_placeholder()) { //it's a placeholder, use the placeholder path nd.instance = _vm_get_variant(p_node->get_scene_file_path(), variant_map); nd.instance |= FLAG_INSTANCE_IS_PLACEHOLDER; } else { //must instance ourselves Ref<PackedScene> instance = ResourceLoader::load(p_node->get_scene_file_path()); if (!instance.is_valid()) { return ERR_CANT_OPEN; } nd.instance = _vm_get_variant(instance, variant_map); } } // all setup, we then proceed to check all properties for the node // and save the ones that are worth saving List<PropertyInfo> plist; p_node->get_property_list(&plist); Array pinned_props = _sanitize_node_pinned_properties(p_node); Dictionary missing_resource_properties = p_node->get_meta(META_MISSING_RESOURCES, Dictionary()); for (const PropertyInfo &E : plist) { if (!(E.usage & PROPERTY_USAGE_STORAGE)) { continue; } if (E.name == META_PROPERTY_MISSING_RESOURCES) { continue; // Ignore this property when packing. } if (E.name.begins_with(META_POINTER_PROPERTY_BASE)) { continue; // do not save. } // If instance or inheriting, not saving if property requested so. if (!states_stack.is_empty()) { if ((E.usage & PROPERTY_USAGE_NO_INSTANCE_STATE)) { continue; } } StringName name = E.name; Variant value = p_node->get(name); bool use_deferred_node_path_bit = false; if (E.type == Variant::OBJECT && E.hint == PROPERTY_HINT_NODE_TYPE) { value = p_node->get(META_POINTER_PROPERTY_BASE + E.name); if (value.get_type() != Variant::NODE_PATH) { continue; //was never set, ignore. } use_deferred_node_path_bit = true; } else if (E.type == Variant::OBJECT && missing_resource_properties.has(E.name)) { // Was this missing resource overridden? If so do not save the old value. Ref<Resource> ures = value; if (ures.is_null()) { value = missing_resource_properties[E.name]; } } if (!pinned_props.has(name)) { bool is_valid_default = false; Variant default_value = PropertyUtils::get_property_default_value(p_node, name, &is_valid_default, &states_stack, true); if (is_valid_default && !PropertyUtils::is_property_value_different(value, default_value)) { continue; } } NodeData::Property prop; prop.name = _nm_get_string(name, name_map); prop.value = _vm_get_variant(value, variant_map); if (use_deferred_node_path_bit) { prop.name |= FLAG_PATH_PROPERTY_IS_NODE; } nd.properties.push_back(prop); } // save the groups this node is into // discard groups that come from the original scene List<Node::GroupInfo> groups; p_node->get_groups(&groups); for (const Node::GroupInfo &gi : groups) { if (!gi.persistent) { continue; } bool skip = false; for (const SceneState::PackState &ia : states_stack) { //check all levels of pack to see if the group was added somewhere if (ia.state->is_node_in_group(ia.node, gi.name)) { skip = true; break; } } if (skip) { continue; } nd.groups.push_back(_nm_get_string(gi.name, name_map)); } // save the right owner // for the saved scene root this is -1 // for nodes of the saved scene this is 0 // for nodes of instantiated scenes this is >0 if (p_node == p_owner) { //saved scene root nd.owner = -1; } else if (p_node->get_owner() == p_owner) { //part of saved scene nd.owner = 0; } else { nd.owner = -1; } MissingNode *missing_node = Object::cast_to<MissingNode>(p_node); // Save the right type. If this node was created by an instance // then flag that the node should not be created but reused if (states_stack.is_empty() && !is_editable_instance) { //This node is not part of an instantiation process, so save the type. if (missing_node != nullptr) { // It's a missing node (type non existent on load). nd.type = _nm_get_string(missing_node->get_original_class(), name_map); } else { nd.type = _nm_get_string(p_node->get_class(), name_map); } } else { // this node is part of an instantiated process, so do not save the type. // instead, save that it was instantiated nd.type = TYPE_INSTANTIATED; } // determine whether to save this node or not // if this node is part of an instantiated sub-scene, we can skip storing it if basically // no properties changed and no groups were added to it. // below condition is true for all nodes of the scene being saved, and ones in subscenes // that hold changes bool save_node = nd.properties.size() || nd.groups.size(); // some local properties or groups exist save_node = save_node || p_node == p_owner; // owner is always saved save_node = save_node || (p_node->get_owner() == p_owner && instantiated_by_owner); //part of scene and not instanced int idx = nodes.size(); int parent_node = NO_PARENT_SAVED; if (save_node) { //don't save the node if nothing and subscene node_map[p_node] = idx; //ok validate parent node if (p_parent_idx == NO_PARENT_SAVED) { int sidx; if (nodepath_map.has(p_node->get_parent())) { sidx = nodepath_map[p_node->get_parent()]; } else { sidx = nodepath_map.size(); nodepath_map[p_node->get_parent()] = sidx; } nd.parent = FLAG_ID_IS_PATH | sidx; } else { nd.parent = p_parent_idx; } parent_node = idx; nodes.push_back(nd); } for (int i = 0; i < p_node->get_child_count(); i++) { Node *c = p_node->get_child(i); Error err = _parse_node(p_owner, c, parent_node, name_map, variant_map, node_map, nodepath_map); if (err) { return err; } } return OK; } Error SceneState::_parse_connections(Node *p_owner, Node *p_node, HashMap<StringName, int> &name_map, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map, HashMap<Node *, int> &node_map, HashMap<Node *, int> &nodepath_map) { if (p_node != p_owner && p_node->get_owner() && p_node->get_owner() != p_owner && !p_owner->is_editable_instance(p_node->get_owner())) { return OK; } List<MethodInfo> _signals; p_node->get_signal_list(&_signals); _signals.sort(); //ERR_FAIL_COND_V( !node_map.has(p_node), ERR_BUG); //NodeData &nd = nodes[node_map[p_node]]; for (const MethodInfo &E : _signals) { List<Node::Connection> conns; p_node->get_signal_connection_list(E.name, &conns); conns.sort(); for (const Node::Connection &F : conns) { const Node::Connection &c = F; if (!(c.flags & CONNECT_PERSIST)) { //only persistent connections get saved continue; } // only connections that originate or end into main saved scene are saved // everything else is discarded Node *target = Object::cast_to<Node>(c.callable.get_object()); if (!target) { continue; } Vector<Variant> binds; int unbinds = 0; Callable base_callable; if (c.callable.is_custom()) { CallableCustomBind *ccb = dynamic_cast<CallableCustomBind *>(c.callable.get_custom()); if (ccb) { binds = ccb->get_binds(); base_callable = ccb->get_callable(); } CallableCustomUnbind *ccu = dynamic_cast<CallableCustomUnbind *>(c.callable.get_custom()); if (ccu) { unbinds = ccu->get_unbinds(); base_callable = ccu->get_callable(); } } else { base_callable = c.callable; } //find if this connection already exists Node *common_parent = target->find_common_parent_with(p_node); ERR_CONTINUE(!common_parent); if (common_parent != p_owner && common_parent->get_scene_file_path().is_empty()) { common_parent = common_parent->get_owner(); } bool exists = false; //go through ownership chain to see if this exists while (common_parent) { Ref<SceneState> ps; if (common_parent == p_owner) { ps = common_parent->get_scene_inherited_state(); } else { ps = common_parent->get_scene_instance_state(); } if (ps.is_valid()) { NodePath signal_from = common_parent->get_path_to(p_node); NodePath signal_to = common_parent->get_path_to(target); if (ps->has_connection(signal_from, c.signal.get_name(), signal_to, base_callable.get_method())) { exists = true; break; } } if (common_parent == p_owner) { break; } else { common_parent = common_parent->get_owner(); } } if (exists) { //already exists (comes from instance or inheritance), so don't save continue; } { Node *nl = p_node; bool exists2 = false; while (nl) { if (nl == p_owner) { Ref<SceneState> state = nl->get_scene_inherited_state(); if (state.is_valid()) { int from_node = state->find_node_by_path(nl->get_path_to(p_node)); int to_node = state->find_node_by_path(nl->get_path_to(target)); if (from_node >= 0 && to_node >= 0) { //this one has state for this node, save if (state->is_connection(from_node, c.signal.get_name(), to_node, base_callable.get_method())) { exists2 = true; break; } } } nl = nullptr; } else { if (!nl->get_scene_file_path().is_empty()) { //is an instance Ref<SceneState> state = nl->get_scene_instance_state(); if (state.is_valid()) { int from_node = state->find_node_by_path(nl->get_path_to(p_node)); int to_node = state->find_node_by_path(nl->get_path_to(target)); if (from_node >= 0 && to_node >= 0) { //this one has state for this node, save if (state->is_connection(from_node, c.signal.get_name(), to_node, base_callable.get_method())) { exists2 = true; break; } } } } nl = nl->get_owner(); } } if (exists2) { continue; } } int src_id; if (node_map.has(p_node)) { src_id = node_map[p_node]; } else { if (nodepath_map.has(p_node)) { src_id = FLAG_ID_IS_PATH | nodepath_map[p_node]; } else { int sidx = nodepath_map.size(); nodepath_map[p_node] = sidx; src_id = FLAG_ID_IS_PATH | sidx; } } int target_id; if (node_map.has(target)) { target_id = node_map[target]; } else { if (nodepath_map.has(target)) { target_id = FLAG_ID_IS_PATH | nodepath_map[target]; } else { int sidx = nodepath_map.size(); nodepath_map[target] = sidx; target_id = FLAG_ID_IS_PATH | sidx; } } ConnectionData cd; cd.from = src_id; cd.to = target_id; cd.method = _nm_get_string(base_callable.get_method(), name_map); cd.signal = _nm_get_string(c.signal.get_name(), name_map); cd.flags = c.flags; cd.unbinds = unbinds; for (int i = 0; i < binds.size(); i++) { cd.binds.push_back(_vm_get_variant(binds[i], variant_map)); } connections.push_back(cd); } } for (int i = 0; i < p_node->get_child_count(); i++) { Node *c = p_node->get_child(i); Error err = _parse_connections(p_owner, c, name_map, variant_map, node_map, nodepath_map); if (err) { return err; } } return OK; } Error SceneState::pack(Node *p_scene) { ERR_FAIL_NULL_V(p_scene, ERR_INVALID_PARAMETER); clear(); Node *scene = p_scene; HashMap<StringName, int> name_map; HashMap<Variant, int, VariantHasher, VariantComparator> variant_map; HashMap<Node *, int> node_map; HashMap<Node *, int> nodepath_map; // If using scene inheritance, pack the scene it inherits from. if (scene->get_scene_inherited_state().is_valid()) { String scene_path = scene->get_scene_inherited_state()->get_path(); Ref<PackedScene> instance = ResourceLoader::load(scene_path); if (instance.is_valid()) { base_scene_idx = _vm_get_variant(instance, variant_map); } } // Instanced, only direct sub-scenes are supported of course. Error err = _parse_node(scene, scene, -1, name_map, variant_map, node_map, nodepath_map); if (err) { clear(); ERR_FAIL_V(err); } err = _parse_connections(scene, scene, name_map, variant_map, node_map, nodepath_map); if (err) { clear(); ERR_FAIL_V(err); } names.resize(name_map.size()); for (const KeyValue<StringName, int> &E : name_map) { names.write[E.value] = E.key; } variants.resize(variant_map.size()); for (const KeyValue<Variant, int> &E : variant_map) { int idx = E.value; variants.write[idx] = E.key; } node_paths.resize(nodepath_map.size()); for (const KeyValue<Node *, int> &E : nodepath_map) { node_paths.write[E.value] = scene->get_path_to(E.key); } if (Engine::get_singleton()->is_editor_hint()) { // Build node path cache for (const KeyValue<Node *, int> &E : node_map) { node_path_cache[scene->get_path_to(E.key)] = E.value; } } return OK; } void SceneState::set_path(const String &p_path) { path = p_path; } String SceneState::get_path() const { return path; } void SceneState::clear() { names.clear(); variants.clear(); nodes.clear(); connections.clear(); node_path_cache.clear(); node_paths.clear(); editable_instances.clear(); base_scene_idx = -1; } Error SceneState::copy_from(const Ref<SceneState> &p_scene_state) { ERR_FAIL_COND_V(p_scene_state.is_null(), ERR_INVALID_PARAMETER); clear(); for (const StringName &E : p_scene_state->names) { names.append(E); } for (const Variant &E : p_scene_state->variants) { variants.append(E); } for (const SceneState::NodeData &E : p_scene_state->nodes) { nodes.append(E); } for (const SceneState::ConnectionData &E : p_scene_state->connections) { connections.append(E); } for (KeyValue<NodePath, int> &E : p_scene_state->node_path_cache) { node_path_cache.insert(E.key, E.value); } for (const NodePath &E : p_scene_state->node_paths) { node_paths.append(E); } for (const NodePath &E : p_scene_state->editable_instances) { editable_instances.append(E); } base_scene_idx = p_scene_state->base_scene_idx; return OK; } Ref<SceneState> SceneState::get_base_scene_state() const { if (base_scene_idx >= 0) { Ref<PackedScene> ps = variants[base_scene_idx]; if (ps.is_valid()) { return ps->get_state(); } } return Ref<SceneState>(); } int SceneState::find_node_by_path(const NodePath &p_node) const { ERR_FAIL_COND_V_MSG(node_path_cache.size() == 0, -1, "This operation requires the node cache to have been built."); if (!node_path_cache.has(p_node)) { if (get_base_scene_state().is_valid()) { int idx = get_base_scene_state()->find_node_by_path(p_node); if (idx != -1) { int rkey = _find_base_scene_node_remap_key(idx); if (rkey == -1) { rkey = nodes.size() + base_scene_node_remap.size(); base_scene_node_remap[rkey] = idx; } return rkey; } } return -1; } int nid = node_path_cache[p_node]; if (get_base_scene_state().is_valid() && !base_scene_node_remap.has(nid)) { //for nodes that _do_ exist in current scene, still try to look for //the node in the instantiated scene, as a property may be missing //from the local one int idx = get_base_scene_state()->find_node_by_path(p_node); if (idx != -1) { base_scene_node_remap[nid] = idx; } } return nid; } int SceneState::_find_base_scene_node_remap_key(int p_idx) const { for (const KeyValue<int, int> &E : base_scene_node_remap) { if (E.value == p_idx) { return E.key; } } return -1; } Variant SceneState::get_property_value(int p_node, const StringName &p_property, bool &found) const { found = false; ERR_FAIL_COND_V(p_node < 0, Variant()); if (p_node < nodes.size()) { //find in built-in nodes int pc = nodes[p_node].properties.size(); const StringName *namep = names.ptr(); const NodeData::Property *p = nodes[p_node].properties.ptr(); for (int i = 0; i < pc; i++) { if (p_property == namep[p[i].name & FLAG_PROP_NAME_MASK]) { found = true; return variants[p[i].value]; } } } //property not found, try on instance if (base_scene_node_remap.has(p_node)) { return get_base_scene_state()->get_property_value(base_scene_node_remap[p_node], p_property, found); } return Variant(); } bool SceneState::is_node_in_group(int p_node, const StringName &p_group) const { ERR_FAIL_COND_V(p_node < 0, false); if (p_node < nodes.size()) { const StringName *namep = names.ptr(); for (int i = 0; i < nodes[p_node].groups.size(); i++) { if (namep[nodes[p_node].groups[i]] == p_group) { return true; } } } if (base_scene_node_remap.has(p_node)) { return get_base_scene_state()->is_node_in_group(base_scene_node_remap[p_node], p_group); } return false; } bool SceneState::disable_placeholders = false; void SceneState::set_disable_placeholders(bool p_disable) { disable_placeholders = p_disable; } bool SceneState::is_connection(int p_node, const StringName &p_signal, int p_to_node, const StringName &p_to_method) const { ERR_FAIL_COND_V(p_node < 0, false); ERR_FAIL_COND_V(p_to_node < 0, false); if (p_node < nodes.size() && p_to_node < nodes.size()) { int signal_idx = -1; int method_idx = -1; for (int i = 0; i < names.size(); i++) { if (names[i] == p_signal) { signal_idx = i; } else if (names[i] == p_to_method) { method_idx = i; } } if (signal_idx >= 0 && method_idx >= 0) { //signal and method strings are stored.. for (int i = 0; i < connections.size(); i++) { if (connections[i].from == p_node && connections[i].to == p_to_node && connections[i].signal == signal_idx && connections[i].method == method_idx) { return true; } } } } if (base_scene_node_remap.has(p_node) && base_scene_node_remap.has(p_to_node)) { return get_base_scene_state()->is_connection(base_scene_node_remap[p_node], p_signal, base_scene_node_remap[p_to_node], p_to_method); } return false; } void SceneState::set_bundled_scene(const Dictionary &p_dictionary) { ERR_FAIL_COND(!p_dictionary.has("names")); ERR_FAIL_COND(!p_dictionary.has("variants")); ERR_FAIL_COND(!p_dictionary.has("node_count")); ERR_FAIL_COND(!p_dictionary.has("nodes")); ERR_FAIL_COND(!p_dictionary.has("conn_count")); ERR_FAIL_COND(!p_dictionary.has("conns")); //ERR_FAIL_COND( !p_dictionary.has("path")); int version = 1; if (p_dictionary.has("version")) { version = p_dictionary["version"]; } ERR_FAIL_COND_MSG(version > PACKED_SCENE_VERSION, "Save format version too new."); const int node_count = p_dictionary["node_count"]; const Vector<int> snodes = p_dictionary["nodes"]; ERR_FAIL_COND(snodes.size() < node_count); const int conn_count = p_dictionary["conn_count"]; const Vector<int> sconns = p_dictionary["conns"]; ERR_FAIL_COND(sconns.size() < conn_count); Vector<String> snames = p_dictionary["names"]; if (snames.size()) { int namecount = snames.size(); names.resize(namecount); const String *r = snames.ptr(); for (int i = 0; i < names.size(); i++) { names.write[i] = r[i]; } } Array svariants = p_dictionary["variants"]; if (svariants.size()) { int varcount = svariants.size(); variants.resize(varcount); for (int i = 0; i < varcount; i++) { variants.write[i] = svariants[i]; } } else { variants.clear(); } nodes.resize(node_count); if (node_count) { const int *r = snodes.ptr(); int idx = 0; for (int i = 0; i < node_count; i++) { NodeData &nd = nodes.write[i]; nd.parent = r[idx++]; nd.owner = r[idx++]; nd.type = r[idx++]; uint32_t name_index = r[idx++]; nd.name = name_index & ((1 << NAME_INDEX_BITS) - 1); nd.index = (name_index >> NAME_INDEX_BITS); nd.index--; //0 is invalid, stored as 1 nd.instance = r[idx++]; nd.properties.resize(r[idx++]); for (int j = 0; j < nd.properties.size(); j++) { nd.properties.write[j].name = r[idx++]; nd.properties.write[j].value = r[idx++]; } nd.groups.resize(r[idx++]); for (int j = 0; j < nd.groups.size(); j++) { nd.groups.write[j] = r[idx++]; } } } connections.resize(conn_count); if (conn_count) { const int *r = sconns.ptr(); int idx = 0; for (int i = 0; i < conn_count; i++) { ConnectionData &cd = connections.write[i]; cd.from = r[idx++]; cd.to = r[idx++]; cd.signal = r[idx++]; cd.method = r[idx++]; cd.flags = r[idx++]; cd.binds.resize(r[idx++]); for (int j = 0; j < cd.binds.size(); j++) { cd.binds.write[j] = r[idx++]; } } } Array np; if (p_dictionary.has("node_paths")) { np = p_dictionary["node_paths"]; } node_paths.resize(np.size()); for (int i = 0; i < np.size(); i++) { node_paths.write[i] = np[i]; } Array ei; if (p_dictionary.has("editable_instances")) { ei = p_dictionary["editable_instances"]; } if (p_dictionary.has("base_scene")) { base_scene_idx = p_dictionary["base_scene"]; } editable_instances.resize(ei.size()); for (int i = 0; i < editable_instances.size(); i++) { editable_instances.write[i] = ei[i]; } //path=p_dictionary["path"]; } Dictionary SceneState::get_bundled_scene() const { Vector<String> rnames; rnames.resize(names.size()); if (names.size()) { String *r = rnames.ptrw(); for (int i = 0; i < names.size(); i++) { r[i] = names[i]; } } Dictionary d; d["names"] = rnames; d["variants"] = variants; Vector<int> rnodes; d["node_count"] = nodes.size(); for (int i = 0; i < nodes.size(); i++) { const NodeData &nd = nodes[i]; rnodes.push_back(nd.parent); rnodes.push_back(nd.owner); rnodes.push_back(nd.type); uint32_t name_index = nd.name; if (nd.index < (1 << (32 - NAME_INDEX_BITS)) - 1) { //save if less than 16k children name_index |= uint32_t(nd.index + 1) << NAME_INDEX_BITS; //for backwards compatibility, index 0 is no index } rnodes.push_back(name_index); rnodes.push_back(nd.instance); rnodes.push_back(nd.properties.size()); for (int j = 0; j < nd.properties.size(); j++) { rnodes.push_back(nd.properties[j].name); rnodes.push_back(nd.properties[j].value); } rnodes.push_back(nd.groups.size()); for (int j = 0; j < nd.groups.size(); j++) { rnodes.push_back(nd.groups[j]); } } d["nodes"] = rnodes; Vector<int> rconns; d["conn_count"] = connections.size(); for (int i = 0; i < connections.size(); i++) { const ConnectionData &cd = connections[i]; rconns.push_back(cd.from); rconns.push_back(cd.to); rconns.push_back(cd.signal); rconns.push_back(cd.method); rconns.push_back(cd.flags); rconns.push_back(cd.binds.size()); for (int j = 0; j < cd.binds.size(); j++) { rconns.push_back(cd.binds[j]); } } d["conns"] = rconns; Array rnode_paths; rnode_paths.resize(node_paths.size()); for (int i = 0; i < node_paths.size(); i++) { rnode_paths[i] = node_paths[i]; } d["node_paths"] = rnode_paths; Array reditable_instances; reditable_instances.resize(editable_instances.size()); for (int i = 0; i < editable_instances.size(); i++) { reditable_instances[i] = editable_instances[i]; } d["editable_instances"] = reditable_instances; if (base_scene_idx >= 0) { d["base_scene"] = base_scene_idx; } d["version"] = PACKED_SCENE_VERSION; return d; } int SceneState::get_node_count() const { return nodes.size(); } StringName SceneState::get_node_type(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), StringName()); if (nodes[p_idx].type == TYPE_INSTANTIATED) { return StringName(); } return names[nodes[p_idx].type]; } StringName SceneState::get_node_name(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), StringName()); return names[nodes[p_idx].name]; } int SceneState::get_node_index(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), -1); return nodes[p_idx].index; } bool SceneState::is_node_instance_placeholder(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), false); return nodes[p_idx].instance >= 0 && (nodes[p_idx].instance & FLAG_INSTANCE_IS_PLACEHOLDER); } Ref<PackedScene> SceneState::get_node_instance(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), Ref<PackedScene>()); if (nodes[p_idx].instance >= 0) { if (nodes[p_idx].instance & FLAG_INSTANCE_IS_PLACEHOLDER) { return Ref<PackedScene>(); } else { return variants[nodes[p_idx].instance & FLAG_MASK]; } } else if (nodes[p_idx].parent < 0 || nodes[p_idx].parent == NO_PARENT_SAVED) { if (base_scene_idx >= 0) { return variants[base_scene_idx]; } } return Ref<PackedScene>(); } String SceneState::get_node_instance_placeholder(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), String()); if (nodes[p_idx].instance >= 0 && (nodes[p_idx].instance & FLAG_INSTANCE_IS_PLACEHOLDER)) { return variants[nodes[p_idx].instance & FLAG_MASK]; } return String(); } Vector<StringName> SceneState::get_node_groups(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), Vector<StringName>()); Vector<StringName> groups; for (int i = 0; i < nodes[p_idx].groups.size(); i++) { groups.push_back(names[nodes[p_idx].groups[i]]); } return groups; } NodePath SceneState::get_node_path(int p_idx, bool p_for_parent) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), NodePath()); if (nodes[p_idx].parent < 0 || nodes[p_idx].parent == NO_PARENT_SAVED) { if (p_for_parent) { return NodePath(); } else { return NodePath("."); } } Vector<StringName> sub_path; NodePath base_path; int nidx = p_idx; while (true) { if (nodes[nidx].parent == NO_PARENT_SAVED || nodes[nidx].parent < 0) { sub_path.insert(0, "."); break; } if (!p_for_parent || p_idx != nidx) { sub_path.insert(0, names[nodes[nidx].name]); } if (nodes[nidx].parent & FLAG_ID_IS_PATH) { base_path = node_paths[nodes[nidx].parent & FLAG_MASK]; break; } else { nidx = nodes[nidx].parent & FLAG_MASK; } } for (int i = base_path.get_name_count() - 1; i >= 0; i--) { sub_path.insert(0, base_path.get_name(i)); } if (sub_path.is_empty()) { return NodePath("."); } return NodePath(sub_path, false); } int SceneState::get_node_property_count(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), -1); return nodes[p_idx].properties.size(); } StringName SceneState::get_node_property_name(int p_idx, int p_prop) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), StringName()); ERR_FAIL_INDEX_V(p_prop, nodes[p_idx].properties.size(), StringName()); return names[nodes[p_idx].properties[p_prop].name & FLAG_PROP_NAME_MASK]; } Vector<String> SceneState::get_node_deferred_nodepath_properties(int p_idx) const { Vector<String> ret; ERR_FAIL_INDEX_V(p_idx, nodes.size(), ret); for (int i = 0; i < nodes[p_idx].properties.size(); i++) { uint32_t idx = nodes[p_idx].properties[i].name; if (idx & FLAG_PATH_PROPERTY_IS_NODE) { ret.push_back(names[idx & FLAG_PROP_NAME_MASK]); } } return ret; } Variant SceneState::get_node_property_value(int p_idx, int p_prop) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), Variant()); ERR_FAIL_INDEX_V(p_prop, nodes[p_idx].properties.size(), Variant()); return variants[nodes[p_idx].properties[p_prop].value]; } NodePath SceneState::get_node_owner_path(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, nodes.size(), NodePath()); if (nodes[p_idx].owner < 0 || nodes[p_idx].owner == NO_PARENT_SAVED) { return NodePath(); //root likely } if (nodes[p_idx].owner & FLAG_ID_IS_PATH) { return node_paths[nodes[p_idx].owner & FLAG_MASK]; } else { return get_node_path(nodes[p_idx].owner & FLAG_MASK); } } int SceneState::get_connection_count() const { return connections.size(); } NodePath SceneState::get_connection_source(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), NodePath()); if (connections[p_idx].from & FLAG_ID_IS_PATH) { return node_paths[connections[p_idx].from & FLAG_MASK]; } else { return get_node_path(connections[p_idx].from & FLAG_MASK); } } StringName SceneState::get_connection_signal(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), StringName()); return names[connections[p_idx].signal]; } NodePath SceneState::get_connection_target(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), NodePath()); if (connections[p_idx].to & FLAG_ID_IS_PATH) { return node_paths[connections[p_idx].to & FLAG_MASK]; } else { return get_node_path(connections[p_idx].to & FLAG_MASK); } } StringName SceneState::get_connection_method(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), StringName()); return names[connections[p_idx].method]; } int SceneState::get_connection_flags(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), -1); return connections[p_idx].flags; } int SceneState::get_connection_unbinds(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), -1); return connections[p_idx].unbinds; } Array SceneState::get_connection_binds(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, connections.size(), Array()); Array binds; for (int i = 0; i < connections[p_idx].binds.size(); i++) { binds.push_back(variants[connections[p_idx].binds[i]]); } return binds; } bool SceneState::has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method, bool p_no_inheritance) { // this method cannot be const because of this Ref<SceneState> ss = this; do { for (int i = 0; i < ss->connections.size(); i++) { const ConnectionData &c = ss->connections[i]; NodePath np_from; if (c.from & FLAG_ID_IS_PATH) { np_from = ss->node_paths[c.from & FLAG_MASK]; } else { np_from = ss->get_node_path(c.from); } NodePath np_to; if (c.to & FLAG_ID_IS_PATH) { np_to = ss->node_paths[c.to & FLAG_MASK]; } else { np_to = ss->get_node_path(c.to); } StringName sn_signal = ss->names[c.signal]; StringName sn_method = ss->names[c.method]; if (np_from == p_node_from && sn_signal == p_signal && np_to == p_node_to && sn_method == p_method) { return true; } } if (p_no_inheritance) { break; } ss = ss->get_base_scene_state(); } while (ss.is_valid()); return false; } Vector<NodePath> SceneState::get_editable_instances() const { return editable_instances; } //add int SceneState::add_name(const StringName &p_name) { names.push_back(p_name); return names.size() - 1; } int SceneState::add_value(const Variant &p_value) { variants.push_back(p_value); return variants.size() - 1; } int SceneState::add_node_path(const NodePath &p_path) { node_paths.push_back(p_path); return (node_paths.size() - 1) | FLAG_ID_IS_PATH; } int SceneState::add_node(int p_parent, int p_owner, int p_type, int p_name, int p_instance, int p_index) { NodeData nd; nd.parent = p_parent; nd.owner = p_owner; nd.type = p_type; nd.name = p_name; nd.instance = p_instance; nd.index = p_index; nodes.push_back(nd); return nodes.size() - 1; } void SceneState::add_node_property(int p_node, int p_name, int p_value, bool p_deferred_node_path) { ERR_FAIL_INDEX(p_node, nodes.size()); ERR_FAIL_INDEX(p_name, names.size()); ERR_FAIL_INDEX(p_value, variants.size()); NodeData::Property prop; prop.name = p_name; if (p_deferred_node_path) { prop.name |= FLAG_PATH_PROPERTY_IS_NODE; } prop.value = p_value; nodes.write[p_node].properties.push_back(prop); } void SceneState::add_node_group(int p_node, int p_group) { ERR_FAIL_INDEX(p_node, nodes.size()); ERR_FAIL_INDEX(p_group, names.size()); nodes.write[p_node].groups.push_back(p_group); } void SceneState::set_base_scene(int p_idx) { ERR_FAIL_INDEX(p_idx, variants.size()); base_scene_idx = p_idx; } void SceneState::add_connection(int p_from, int p_to, int p_signal, int p_method, int p_flags, int p_unbinds, const Vector<int> &p_binds) { ERR_FAIL_INDEX(p_signal, names.size()); ERR_FAIL_INDEX(p_method, names.size()); for (int i = 0; i < p_binds.size(); i++) { ERR_FAIL_INDEX(p_binds[i], variants.size()); } ConnectionData c; c.from = p_from; c.to = p_to; c.signal = p_signal; c.method = p_method; c.flags = p_flags; c.unbinds = p_unbinds; c.binds = p_binds; connections.push_back(c); } void SceneState::add_editable_instance(const NodePath &p_path) { editable_instances.push_back(p_path); } String SceneState::get_meta_pointer_property(const String &p_property) { return META_POINTER_PROPERTY_BASE + p_property; } Vector<String> SceneState::_get_node_groups(int p_idx) const { Vector<StringName> groups = get_node_groups(p_idx); Vector<String> ret; for (int i = 0; i < groups.size(); i++) { ret.push_back(groups[i]); } return ret; } void SceneState::_bind_methods() { //unbuild API ClassDB::bind_method(D_METHOD("get_node_count"), &SceneState::get_node_count); ClassDB::bind_method(D_METHOD("get_node_type", "idx"), &SceneState::get_node_type); ClassDB::bind_method(D_METHOD("get_node_name", "idx"), &SceneState::get_node_name); ClassDB::bind_method(D_METHOD("get_node_path", "idx", "for_parent"), &SceneState::get_node_path, DEFVAL(false)); ClassDB::bind_method(D_METHOD("get_node_owner_path", "idx"), &SceneState::get_node_owner_path); ClassDB::bind_method(D_METHOD("is_node_instance_placeholder", "idx"), &SceneState::is_node_instance_placeholder); ClassDB::bind_method(D_METHOD("get_node_instance_placeholder", "idx"), &SceneState::get_node_instance_placeholder); ClassDB::bind_method(D_METHOD("get_node_instance", "idx"), &SceneState::get_node_instance); ClassDB::bind_method(D_METHOD("get_node_groups", "idx"), &SceneState::_get_node_groups); ClassDB::bind_method(D_METHOD("get_node_index", "idx"), &SceneState::get_node_index); ClassDB::bind_method(D_METHOD("get_node_property_count", "idx"), &SceneState::get_node_property_count); ClassDB::bind_method(D_METHOD("get_node_property_name", "idx", "prop_idx"), &SceneState::get_node_property_name); ClassDB::bind_method(D_METHOD("get_node_property_value", "idx", "prop_idx"), &SceneState::get_node_property_value); ClassDB::bind_method(D_METHOD("get_connection_count"), &SceneState::get_connection_count); ClassDB::bind_method(D_METHOD("get_connection_source", "idx"), &SceneState::get_connection_source); ClassDB::bind_method(D_METHOD("get_connection_signal", "idx"), &SceneState::get_connection_signal); ClassDB::bind_method(D_METHOD("get_connection_target", "idx"), &SceneState::get_connection_target); ClassDB::bind_method(D_METHOD("get_connection_method", "idx"), &SceneState::get_connection_method); ClassDB::bind_method(D_METHOD("get_connection_flags", "idx"), &SceneState::get_connection_flags); ClassDB::bind_method(D_METHOD("get_connection_binds", "idx"), &SceneState::get_connection_binds); ClassDB::bind_method(D_METHOD("get_connection_unbinds", "idx"), &SceneState::get_connection_unbinds); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_DISABLED); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_INSTANCE); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_MAIN); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_MAIN_INHERITED); } SceneState::SceneState() { } //////////////// void PackedScene::_set_bundled_scene(const Dictionary &p_scene) { state->set_bundled_scene(p_scene); } Dictionary PackedScene::_get_bundled_scene() const { return state->get_bundled_scene(); } Error PackedScene::pack(Node *p_scene) { return state->pack(p_scene); } void PackedScene::clear() { state->clear(); } void PackedScene::reload_from_file() { String path = get_path(); if (!path.is_resource_file()) { return; } Ref<PackedScene> s = ResourceLoader::load(ResourceLoader::path_remap(path), get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE); if (!s.is_valid()) { return; } // Backup the loaded_state Ref<SceneState> loaded_state = s->get_state(); // This assigns a new state to s->state // We do this because of the next step s->recreate_state(); // This has a side-effect to clear s->state copy_from(s); // Then, we copy the backed-up loaded_state to state state->copy_from(loaded_state); } bool PackedScene::can_instantiate() const { return state->can_instantiate(); } Node *PackedScene::instantiate(GenEditState p_edit_state) const { #ifndef TOOLS_ENABLED ERR_FAIL_COND_V_MSG(p_edit_state != GEN_EDIT_STATE_DISABLED, nullptr, "Edit state is only for editors, does not work without tools compiled."); #endif Node *s = state->instantiate((SceneState::GenEditState)p_edit_state); if (!s) { return nullptr; } if (p_edit_state != GEN_EDIT_STATE_DISABLED) { s->set_scene_instance_state(state); } if (!is_built_in()) { s->set_scene_file_path(get_path()); } s->notification(Node::NOTIFICATION_SCENE_INSTANTIATED); return s; } void PackedScene::replace_state(Ref<SceneState> p_by) { state = p_by; state->set_path(get_path()); #ifdef TOOLS_ENABLED state->set_last_modified_time(get_last_modified_time()); #endif } void PackedScene::recreate_state() { state = Ref<SceneState>(memnew(SceneState)); state->set_path(get_path()); #ifdef TOOLS_ENABLED state->set_last_modified_time(get_last_modified_time()); #endif } Ref<SceneState> PackedScene::get_state() const { return state; } void PackedScene::set_path(const String &p_path, bool p_take_over) { state->set_path(p_path); Resource::set_path(p_path, p_take_over); } void PackedScene::reset_state() { clear(); } void PackedScene::_bind_methods() { ClassDB::bind_method(D_METHOD("pack", "path"), &PackedScene::pack); ClassDB::bind_method(D_METHOD("instantiate", "edit_state"), &PackedScene::instantiate, DEFVAL(GEN_EDIT_STATE_DISABLED)); ClassDB::bind_method(D_METHOD("can_instantiate"), &PackedScene::can_instantiate); ClassDB::bind_method(D_METHOD("_set_bundled_scene", "scene"), &PackedScene::_set_bundled_scene); ClassDB::bind_method(D_METHOD("_get_bundled_scene"), &PackedScene::_get_bundled_scene); ClassDB::bind_method(D_METHOD("get_state"), &PackedScene::get_state); ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_bundled"), "_set_bundled_scene", "_get_bundled_scene"); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_DISABLED); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_INSTANCE); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_MAIN); BIND_ENUM_CONSTANT(GEN_EDIT_STATE_MAIN_INHERITED); } PackedScene::PackedScene() { state = Ref<SceneState>(memnew(SceneState)); }