235 lines
7.8 KiB
C++
235 lines
7.8 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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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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 Map<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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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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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, Map<StringName, int> &name_map, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map, Map<Node *, int> &node_map, Map<Node *, int> &nodepath_map);
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Error _parse_connections(Node *p_owner, Node *p_node, Map<StringName, int> &name_map, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map, Map<Node *, int> &node_map, Map<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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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_INSTANCED = 0x7FFFFFFF,
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FLAG_INSTANCE_IS_PLACEHOLDER = (1 << 30),
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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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};
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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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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 &found) 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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bool can_instantiate() const;
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Node *instantiate(GenEditState p_edit_state) const;
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Ref<SceneState> get_base_scene_state() const;
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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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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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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);
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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);
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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, const Vector<int> &p_binds);
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void add_editable_instance(const NodePath &p_path);
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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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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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};
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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 set_path(const String &p_path, bool p_take_over = false) override;
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#ifdef TOOLS_ENABLED
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virtual void set_last_modified_time(uint64_t p_time) override { state->set_last_modified_time(p_time); }
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#endif
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Ref<SceneState> get_state();
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PackedScene();
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};
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VARIANT_ENUM_CAST(PackedScene::GenEditState)
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#endif // SCENE_PRELOADER_H
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