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282 lines
10 KiB
C++
282 lines
10 KiB
C++
/**************************************************************************/
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/* packed_scene.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef PACKED_SCENE_H
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#define PACKED_SCENE_H
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#include "core/io/resource.h"
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#include "scene/main/node.h"
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class SceneState : public RefCounted {
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GDCLASS(SceneState, RefCounted);
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Vector<StringName> names;
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Vector<Variant> variants;
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Vector<NodePath> node_paths;
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Vector<NodePath> editable_instances;
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mutable HashMap<NodePath, int> node_path_cache;
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mutable HashMap<int, int> base_scene_node_remap;
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int base_scene_idx = -1;
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enum {
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NO_PARENT_SAVED = 0x7FFFFFFF,
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NAME_INDEX_BITS = 18,
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NAME_MASK = (1 << NAME_INDEX_BITS) - 1,
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};
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struct NodeData {
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int parent = 0;
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int owner = 0;
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int type = 0;
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int name = 0;
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int instance = 0;
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int index = 0;
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struct Property {
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int name = 0;
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int value = 0;
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};
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Vector<Property> properties;
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Vector<int> groups;
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};
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struct DeferredNodePathProperties {
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Node *base = nullptr;
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StringName property;
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Variant value;
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};
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Vector<NodeData> nodes;
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struct ConnectionData {
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int from = 0;
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int to = 0;
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int signal = 0;
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int method = 0;
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int flags = 0;
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int unbinds = 0;
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Vector<int> binds;
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};
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Vector<ConnectionData> connections;
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Error _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);
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Error _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);
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String path;
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uint64_t last_modified_time = 0;
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static bool disable_placeholders;
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Vector<String> _get_node_groups(int p_idx) const;
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int _find_base_scene_node_remap_key(int p_idx) const;
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#ifdef TOOLS_ENABLED
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public:
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typedef void (*InstantiationWarningNotify)(const String &p_warning);
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private:
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static InstantiationWarningNotify instantiation_warn_notify;
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#endif
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protected:
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static void _bind_methods();
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public:
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enum {
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FLAG_ID_IS_PATH = (1 << 30),
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TYPE_INSTANTIATED = 0x7FFFFFFF,
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FLAG_INSTANCE_IS_PLACEHOLDER = (1 << 30),
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FLAG_PATH_PROPERTY_IS_NODE = (1 << 30),
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FLAG_PROP_NAME_MASK = FLAG_PATH_PROPERTY_IS_NODE - 1,
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FLAG_MASK = (1 << 24) - 1,
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};
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enum GenEditState {
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GEN_EDIT_STATE_DISABLED,
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GEN_EDIT_STATE_INSTANCE,
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GEN_EDIT_STATE_MAIN,
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GEN_EDIT_STATE_MAIN_INHERITED,
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};
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struct PackState {
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Ref<SceneState> state;
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int node = -1;
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};
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static void set_disable_placeholders(bool p_disable);
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static Ref<Resource> get_remap_resource(const Ref<Resource> &p_resource, HashMap<Ref<Resource>, Ref<Resource>> &remap_cache, const Ref<Resource> &p_fallback, Node *p_for_scene);
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int find_node_by_path(const NodePath &p_node) const;
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Variant get_property_value(int p_node, const StringName &p_property, bool &r_found, bool &r_node_deferred) const;
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bool is_node_in_group(int p_node, const StringName &p_group) const;
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bool is_connection(int p_node, const StringName &p_signal, int p_to_node, const StringName &p_to_method) const;
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void set_bundled_scene(const Dictionary &p_dictionary);
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Dictionary get_bundled_scene() const;
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Error pack(Node *p_scene);
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void set_path(const String &p_path);
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String get_path() const;
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void clear();
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Error copy_from(const Ref<SceneState> &p_scene_state);
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bool can_instantiate() const;
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Node *instantiate(GenEditState p_edit_state) const;
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Array setup_resources_in_array(Array &array_to_scan, const SceneState::NodeData &n, HashMap<Ref<Resource>, Ref<Resource>> &resources_local_to_sub_scene, Node *node, const StringName sname, HashMap<Ref<Resource>, Ref<Resource>> &resources_local_to_scene, int i, Node **ret_nodes, SceneState::GenEditState p_edit_state) const;
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Variant make_local_resource(Variant &value, const SceneState::NodeData &p_node_data, HashMap<Ref<Resource>, Ref<Resource>> &p_resources_local_to_sub_scene, Node *p_node, const StringName p_sname, HashMap<Ref<Resource>, Ref<Resource>> &p_resources_local_to_scene, int p_i, Node **p_ret_nodes, SceneState::GenEditState p_edit_state) const;
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bool has_local_resource(const Array &p_array) const;
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Ref<SceneState> get_base_scene_state() const;
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void update_instance_resource(String p_path, Ref<PackedScene> p_packed_scene);
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//unbuild API
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int get_node_count() const;
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StringName get_node_type(int p_idx) const;
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StringName get_node_name(int p_idx) const;
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NodePath get_node_path(int p_idx, bool p_for_parent = false) const;
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NodePath get_node_owner_path(int p_idx) const;
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Ref<PackedScene> get_node_instance(int p_idx) const;
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String get_node_instance_placeholder(int p_idx) const;
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bool is_node_instance_placeholder(int p_idx) const;
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Vector<StringName> get_node_groups(int p_idx) const;
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int get_node_index(int p_idx) const;
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int get_node_property_count(int p_idx) const;
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StringName get_node_property_name(int p_idx, int p_prop) const;
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Variant get_node_property_value(int p_idx, int p_prop) const;
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Vector<String> get_node_deferred_nodepath_properties(int p_idx) const;
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int get_connection_count() const;
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NodePath get_connection_source(int p_idx) const;
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StringName get_connection_signal(int p_idx) const;
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NodePath get_connection_target(int p_idx) const;
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StringName get_connection_method(int p_idx) const;
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int get_connection_flags(int p_idx) const;
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int get_connection_unbinds(int p_idx) const;
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Array get_connection_binds(int p_idx) const;
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bool has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method, bool p_no_inheritance = false);
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Vector<NodePath> get_editable_instances() const;
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//build API
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int add_name(const StringName &p_name);
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int add_value(const Variant &p_value);
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int add_node_path(const NodePath &p_path);
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int add_node(int p_parent, int p_owner, int p_type, int p_name, int p_instance, int p_index);
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void add_node_property(int p_node, int p_name, int p_value, bool p_deferred_node_path = false);
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void add_node_group(int p_node, int p_group);
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void set_base_scene(int p_idx);
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void 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);
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void add_editable_instance(const NodePath &p_path);
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bool remove_group_references(const StringName &p_name);
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bool rename_group_references(const StringName &p_old_name, const StringName &p_new_name);
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HashSet<StringName> get_all_groups();
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virtual void set_last_modified_time(uint64_t p_time) { last_modified_time = p_time; }
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uint64_t get_last_modified_time() const { return last_modified_time; }
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// Used when saving pointers (saves a path property instead).
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static String get_meta_pointer_property(const String &p_property);
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#ifdef TOOLS_ENABLED
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static void set_instantiation_warning_notify_func(InstantiationWarningNotify p_warn_notify) { instantiation_warn_notify = p_warn_notify; }
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#endif
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SceneState();
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};
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VARIANT_ENUM_CAST(SceneState::GenEditState)
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class PackedScene : public Resource {
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GDCLASS(PackedScene, Resource);
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RES_BASE_EXTENSION("scn");
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Ref<SceneState> state;
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void _set_bundled_scene(const Dictionary &p_scene);
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Dictionary _get_bundled_scene() const;
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protected:
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virtual bool editor_can_reload_from_file() override { return false; } // this is handled by editor better
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static void _bind_methods();
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virtual void reset_state() override;
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public:
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enum GenEditState {
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GEN_EDIT_STATE_DISABLED,
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GEN_EDIT_STATE_INSTANCE,
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GEN_EDIT_STATE_MAIN,
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GEN_EDIT_STATE_MAIN_INHERITED,
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};
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Error pack(Node *p_scene);
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void clear();
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bool can_instantiate() const;
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Node *instantiate(GenEditState p_edit_state = GEN_EDIT_STATE_DISABLED) const;
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void recreate_state();
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void replace_state(Ref<SceneState> p_by);
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virtual void reload_from_file() override;
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virtual void set_path(const String &p_path, bool p_take_over = false) override;
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virtual void set_path_cache(const String &p_path) override;
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#ifdef TOOLS_ENABLED
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virtual void set_last_modified_time(uint64_t p_time) override {
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Resource::set_last_modified_time(p_time);
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state->set_last_modified_time(p_time);
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}
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#endif
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Ref<SceneState> get_state() const;
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PackedScene();
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};
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VARIANT_ENUM_CAST(PackedScene::GenEditState)
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#endif // PACKED_SCENE_H
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