/*************************************************************************/ /* object.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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. */ /*************************************************************************/ #ifndef OBJECT_H #define OBJECT_H #include "core/extension/gdnative_interface.h" #include "core/object/object_id.h" #include "core/os/rw_lock.h" #include "core/os/spin_lock.h" #include "core/templates/hash_map.h" #include "core/templates/list.h" #include "core/templates/map.h" #include "core/templates/safe_refcount.h" #include "core/templates/set.h" #include "core/templates/vmap.h" #include "core/variant/callable_bind.h" #include "core/variant/variant.h" #define VARIANT_ARG_LIST const Variant &p_arg1 = Variant(), const Variant &p_arg2 = Variant(), const Variant &p_arg3 = Variant(), const Variant &p_arg4 = Variant(), const Variant &p_arg5 = Variant(), const Variant &p_arg6 = Variant(), const Variant &p_arg7 = Variant(), const Variant &p_arg8 = Variant() #define VARIANT_ARG_PASS p_arg1, p_arg2, p_arg3, p_arg4, p_arg5, p_arg6, p_arg7, p_arg8 #define VARIANT_ARG_DECLARE const Variant &p_arg1, const Variant &p_arg2, const Variant &p_arg3, const Variant &p_arg4, const Variant &p_arg5, const Variant &p_arg6, const Variant &p_arg7, const Variant &p_arg8 #define VARIANT_ARG_MAX 8 #define VARIANT_ARGPTRS const Variant *argptr[8] = { &p_arg1, &p_arg2, &p_arg3, &p_arg4, &p_arg5, &p_arg6, &p_arg7, &p_arg8 }; #define VARIANT_ARGPTRS_PASS *argptr[0], *argptr[1], *argptr[2], *argptr[3], *argptr[4], *argptr[5], *argptr[6]], *argptr[7] #define VARIANT_ARGS_FROM_ARRAY(m_arr) m_arr[0], m_arr[1], m_arr[2], m_arr[3], m_arr[4], m_arr[5], m_arr[6], m_arr[7] /** @author Juan Linietsky */ enum PropertyHint { PROPERTY_HINT_NONE, ///< no hint provided. PROPERTY_HINT_RANGE, ///< hint_text = "min,max[,step][,or_greater][,or_lesser][,noslider][,radians][,degrees][,exp][,suffix:] range. PROPERTY_HINT_ENUM, ///< hint_text= "val1,val2,val3,etc" PROPERTY_HINT_ENUM_SUGGESTION, ///< hint_text= "val1,val2,val3,etc" PROPERTY_HINT_EXP_EASING, /// exponential easing function (Math::ease) use "attenuation" hint string to revert (flip h), "full" to also include in/out. (ie: "attenuation,inout") PROPERTY_HINT_LENGTH, ///< hint_text= "length" (as integer) PROPERTY_HINT_KEY_ACCEL, ///< hint_text= "length" (as integer) PROPERTY_HINT_FLAGS, ///< hint_text= "flag1,flag2,etc" (as bit flags) PROPERTY_HINT_LAYERS_2D_RENDER, PROPERTY_HINT_LAYERS_2D_PHYSICS, PROPERTY_HINT_LAYERS_2D_NAVIGATION, PROPERTY_HINT_LAYERS_3D_RENDER, PROPERTY_HINT_LAYERS_3D_PHYSICS, PROPERTY_HINT_LAYERS_3D_NAVIGATION, PROPERTY_HINT_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc," PROPERTY_HINT_DIR, ///< a directory path must be passed PROPERTY_HINT_GLOBAL_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc," PROPERTY_HINT_GLOBAL_DIR, ///< a directory path must be passed PROPERTY_HINT_RESOURCE_TYPE, ///< a resource object type PROPERTY_HINT_MULTILINE_TEXT, ///< used for string properties that can contain multiple lines PROPERTY_HINT_PLACEHOLDER_TEXT, ///< used to set a placeholder text for string properties PROPERTY_HINT_COLOR_NO_ALPHA, ///< used for ignoring alpha component when editing a color PROPERTY_HINT_IMAGE_COMPRESS_LOSSY, PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS, PROPERTY_HINT_OBJECT_ID, PROPERTY_HINT_TYPE_STRING, ///< a type string, the hint is the base type to choose PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE, ///< so something else can provide this (used in scripts) PROPERTY_HINT_METHOD_OF_VARIANT_TYPE, ///< a method of a type PROPERTY_HINT_METHOD_OF_BASE_TYPE, ///< a method of a base type PROPERTY_HINT_METHOD_OF_INSTANCE, ///< a method of an instance PROPERTY_HINT_METHOD_OF_SCRIPT, ///< a method of a script & base PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE, ///< a property of a type PROPERTY_HINT_PROPERTY_OF_BASE_TYPE, ///< a property of a base type PROPERTY_HINT_PROPERTY_OF_INSTANCE, ///< a property of an instance PROPERTY_HINT_PROPERTY_OF_SCRIPT, ///< a property of a script & base PROPERTY_HINT_OBJECT_TOO_BIG, ///< object is too big to send PROPERTY_HINT_NODE_PATH_VALID_TYPES, PROPERTY_HINT_SAVE_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,". This opens a save dialog PROPERTY_HINT_INT_IS_OBJECTID, PROPERTY_HINT_ARRAY_TYPE, PROPERTY_HINT_INT_IS_POINTER, PROPERTY_HINT_MAX, // When updating PropertyHint, also sync the hardcoded list in VisualScriptEditorVariableEdit }; enum PropertyUsageFlags { PROPERTY_USAGE_NONE = 0, PROPERTY_USAGE_STORAGE = 1, PROPERTY_USAGE_EDITOR = 2, PROPERTY_USAGE_NETWORK = 4, PROPERTY_USAGE_EDITOR_HELPER = 8, PROPERTY_USAGE_CHECKABLE = 16, //used for editing global variables PROPERTY_USAGE_CHECKED = 32, //used for editing global variables PROPERTY_USAGE_INTERNATIONALIZED = 64, //hint for internationalized strings PROPERTY_USAGE_GROUP = 128, //used for grouping props in the editor PROPERTY_USAGE_CATEGORY = 256, PROPERTY_USAGE_SUBGROUP = 512, PROPERTY_USAGE_NO_INSTANCE_STATE = 2048, PROPERTY_USAGE_RESTART_IF_CHANGED = 4096, PROPERTY_USAGE_SCRIPT_VARIABLE = 8192, PROPERTY_USAGE_STORE_IF_NULL = 16384, PROPERTY_USAGE_ANIMATE_AS_TRIGGER = 32768, PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED = 65536, PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE = 1 << 17, PROPERTY_USAGE_CLASS_IS_ENUM = 1 << 18, PROPERTY_USAGE_NIL_IS_VARIANT = 1 << 19, PROPERTY_USAGE_INTERNAL = 1 << 20, PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE = 1 << 21, // If the object is duplicated also this property will be duplicated PROPERTY_USAGE_HIGH_END_GFX = 1 << 22, PROPERTY_USAGE_NODE_PATH_FROM_SCENE_ROOT = 1 << 23, PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT = 1 << 24, PROPERTY_USAGE_KEYING_INCREMENTS = 1 << 25, // Used in inspector to increment property when keyed in animation player PROPERTY_USAGE_DEFERRED_SET_RESOURCE = 1 << 26, // when loading, the resource for this property can be set at the end of loading PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT = 1 << 27, // For Object properties, instantiate them when creating in editor. PROPERTY_USAGE_EDITOR_BASIC_SETTING = 1 << 28, //for project or editor settings, show when basic settings are selected PROPERTY_USAGE_READ_ONLY = 1 << 29, // Mark a property as read-only in the inspector. PROPERTY_USAGE_ARRAY = 1 << 30, // Used in the inspector to group properties as elements of an array. PROPERTY_USAGE_DEFAULT = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_NETWORK, PROPERTY_USAGE_DEFAULT_INTL = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_NETWORK | PROPERTY_USAGE_INTERNATIONALIZED, PROPERTY_USAGE_NO_EDITOR = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_NETWORK, }; #define ADD_SIGNAL(m_signal) ::ClassDB::add_signal(get_class_static(), m_signal) #define ADD_PROPERTY(m_property, m_setter, m_getter) ::ClassDB::add_property(get_class_static(), m_property, _scs_create(m_setter), _scs_create(m_getter)) #define ADD_PROPERTYI(m_property, m_setter, m_getter, m_index) ::ClassDB::add_property(get_class_static(), m_property, _scs_create(m_setter), _scs_create(m_getter), m_index) #define ADD_PROPERTY_DEFAULT(m_property, m_default) ::ClassDB::set_property_default_value(get_class_static(), m_property, m_default) #define ADD_GROUP(m_name, m_prefix) ::ClassDB::add_property_group(get_class_static(), m_name, m_prefix) #define ADD_SUBGROUP(m_name, m_prefix) ::ClassDB::add_property_subgroup(get_class_static(), m_name, m_prefix) #define ADD_LINKED_PROPERTY(m_property, m_linked_property) ::ClassDB::add_linked_property(get_class_static(), m_property, m_linked_property) #define ADD_ARRAY_COUNT(m_label, m_count_property, m_count_property_setter, m_count_property_getter, m_prefix) ClassDB::add_property_array_count(get_class_static(), m_label, m_count_property, _scs_create(m_count_property_setter), _scs_create(m_count_property_getter), m_prefix) #define ADD_ARRAY_COUNT_WITH_USAGE_FLAGS(m_label, m_count_property, m_count_property_setter, m_count_property_getter, m_prefix, m_property_usage_flags) ClassDB::add_property_array_count(get_class_static(), m_label, m_count_property, _scs_create(m_count_property_setter), _scs_create(m_count_property_getter), m_prefix, m_property_usage_flags) #define ADD_ARRAY(m_array_path, m_prefix) ClassDB::add_property_array(get_class_static(), m_array_path, m_prefix) struct PropertyInfo { Variant::Type type = Variant::NIL; String name; StringName class_name; // For classes PropertyHint hint = PROPERTY_HINT_NONE; String hint_string; uint32_t usage = PROPERTY_USAGE_DEFAULT; #ifdef TOOLS_ENABLED Vector linked_properties; #endif _FORCE_INLINE_ PropertyInfo added_usage(uint32_t p_fl) const { PropertyInfo pi = *this; pi.usage |= p_fl; return pi; } operator Dictionary() const; static PropertyInfo from_dict(const Dictionary &p_dict); PropertyInfo() {} PropertyInfo(const Variant::Type p_type, const String p_name, const PropertyHint p_hint = PROPERTY_HINT_NONE, const String &p_hint_string = "", const uint32_t p_usage = PROPERTY_USAGE_DEFAULT, const StringName &p_class_name = StringName()) : type(p_type), name(p_name), hint(p_hint), hint_string(p_hint_string), usage(p_usage) { if (hint == PROPERTY_HINT_RESOURCE_TYPE) { class_name = hint_string; } else { class_name = p_class_name; } } PropertyInfo(const StringName &p_class_name) : type(Variant::OBJECT), class_name(p_class_name) {} bool operator==(const PropertyInfo &p_info) const { return ((type == p_info.type) && (name == p_info.name) && (class_name == p_info.class_name) && (hint == p_info.hint) && (hint_string == p_info.hint_string) && (usage == p_info.usage)); } bool operator<(const PropertyInfo &p_info) const { return name < p_info.name; } }; Array convert_property_list(const List *p_list); struct MethodInfo { String name; PropertyInfo return_val; uint32_t flags; // NOLINT - prevent clang-tidy to assign method_bind.h constant here, it should stay in .cpp. int id = 0; List arguments; Vector default_arguments; inline bool operator==(const MethodInfo &p_method) const { return id == p_method.id; } inline bool operator<(const MethodInfo &p_method) const { return id == p_method.id ? (name < p_method.name) : (id < p_method.id); } operator Dictionary() const; static MethodInfo from_dict(const Dictionary &p_dict); MethodInfo(); MethodInfo(const String &p_name); MethodInfo(const String &p_name, const PropertyInfo &p_param1); MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2); MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3); MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4); MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4, const PropertyInfo &p_param5); MethodInfo(Variant::Type ret); MethodInfo(Variant::Type ret, const String &p_name); MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1); MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2); MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3); MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4); MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4, const PropertyInfo &p_param5); MethodInfo(const PropertyInfo &p_ret, const String &p_name); MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1); MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2); MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3); MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4); MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4, const PropertyInfo &p_param5); }; // old cast_to //if ( is_type(T::get_class_static()) ) //return static_cast(this); ////else //return nullptr; // API used to extend in GDNative and other C compatible compiled languages class MethodBind; struct ObjectNativeExtension { ObjectNativeExtension *parent = nullptr; List children; StringName parent_class_name; StringName class_name; bool editor_class = false; GDNativeExtensionClassSet set; GDNativeExtensionClassGet get; GDNativeExtensionClassGetPropertyList get_property_list; GDNativeExtensionClassFreePropertyList free_property_list; GDNativeExtensionClassNotification notification; GDNativeExtensionClassToString to_string; GDNativeExtensionClassReference reference; GDNativeExtensionClassReference unreference; _FORCE_INLINE_ bool is_class(const String &p_class) const { const ObjectNativeExtension *e = this; while (e) { if (p_class == e->class_name.operator String()) { return true; } e = e->parent; } return false; } void *class_userdata = nullptr; GDNativeExtensionClassCreateInstance create_instance; GDNativeExtensionClassFreeInstance free_instance; GDNativeExtensionClassGetVirtual get_virtual; }; #define GDVIRTUAL_CALL(m_name, ...) _gdvirtual_##m_name##_call(__VA_ARGS__) #define GDVIRTUAL_CALL_PTR(m_obj, m_name, ...) m_obj->_gdvirtual_##m_name##_call(__VA_ARGS__) #ifdef DEBUG_METHODS_ENABLED #define GDVIRTUAL_BIND(m_name, ...) ::ClassDB::add_virtual_method(get_class_static(), _gdvirtual_##m_name##_get_method_info(), true, sarray(__VA_ARGS__)); #else #define GDVIRTUAL_BIND(m_name, ...) #endif #define GDVIRTUAL_IS_OVERRIDDEN(m_name) _gdvirtual_##m_name##_overridden() #define GDVIRTUAL_IS_OVERRIDDEN_PTR(m_obj, m_name) m_obj->_gdvirtual_##m_name##_overridden() /* the following is an incomprehensible blob of hacks and workarounds to compensate for many of the fallencies in C++. As a plus, this macro pretty much alone defines the object model. */ #define REVERSE_GET_PROPERTY_LIST \ public: \ _FORCE_INLINE_ bool _is_gpl_reversed() const { return true; }; \ \ private: #define UNREVERSE_GET_PROPERTY_LIST \ public: \ _FORCE_INLINE_ bool _is_gpl_reversed() const { return false; }; \ \ private: #define GDCLASS(m_class, m_inherits) \ private: \ void operator=(const m_class &p_rval) {} \ mutable StringName _class_name; \ friend class ::ClassDB; \ \ public: \ virtual String get_class() const override { \ if (_get_extension()) { \ return _get_extension()->class_name.operator String(); \ } \ return String(#m_class); \ } \ virtual const StringName *_get_class_namev() const override { \ if (_get_extension()) { \ return &_get_extension()->class_name; \ } \ if (!_class_name) { \ _class_name = get_class_static(); \ } \ return &_class_name; \ } \ static _FORCE_INLINE_ void *get_class_ptr_static() { \ static int ptr; \ return &ptr; \ } \ static _FORCE_INLINE_ String get_class_static() { \ return String(#m_class); \ } \ static _FORCE_INLINE_ String get_parent_class_static() { \ return m_inherits::get_class_static(); \ } \ static void get_inheritance_list_static(List *p_inheritance_list) { \ m_inherits::get_inheritance_list_static(p_inheritance_list); \ p_inheritance_list->push_back(String(#m_class)); \ } \ static String get_category_static() { \ String category = m_inherits::get_category_static(); \ if (_get_category != m_inherits::_get_category) { \ if (category != "") { \ category += "/"; \ } \ category += _get_category(); \ } \ return category; \ } \ static String inherits_static() { \ return String(#m_inherits); \ } \ virtual bool is_class(const String &p_class) const override { \ if (_get_extension() && _get_extension()->is_class(p_class)) { \ return true; \ } \ return (p_class == (#m_class)) ? true : m_inherits::is_class(p_class); \ } \ virtual bool is_class_ptr(void *p_ptr) const override { return (p_ptr == get_class_ptr_static()) ? true : m_inherits::is_class_ptr(p_ptr); } \ \ static void get_valid_parents_static(List *p_parents) { \ if (m_class::_get_valid_parents_static != m_inherits::_get_valid_parents_static) { \ m_class::_get_valid_parents_static(p_parents); \ } \ \ m_inherits::get_valid_parents_static(p_parents); \ } \ \ protected: \ _FORCE_INLINE_ static void (*_get_bind_methods())() { \ return &m_class::_bind_methods; \ } \ \ public: \ static void initialize_class() { \ static bool initialized = false; \ if (initialized) { \ return; \ } \ m_inherits::initialize_class(); \ ::ClassDB::_add_class(); \ if (m_class::_get_bind_methods() != m_inherits::_get_bind_methods()) { \ _bind_methods(); \ } \ initialized = true; \ } \ \ protected: \ virtual void _initialize_classv() override { \ initialize_class(); \ } \ _FORCE_INLINE_ bool (Object::*_get_get() const)(const StringName &p_name, Variant &) const { \ return (bool(Object::*)(const StringName &, Variant &) const) & m_class::_get; \ } \ virtual bool _getv(const StringName &p_name, Variant &r_ret) const override { \ if (m_class::_get_get() != m_inherits::_get_get()) { \ if (_get(p_name, r_ret)) { \ return true; \ } \ } \ return m_inherits::_getv(p_name, r_ret); \ } \ _FORCE_INLINE_ bool (Object::*_get_set() const)(const StringName &p_name, const Variant &p_property) { \ return (bool(Object::*)(const StringName &, const Variant &)) & m_class::_set; \ } \ virtual bool _setv(const StringName &p_name, const Variant &p_property) override { \ if (m_inherits::_setv(p_name, p_property)) { \ return true; \ } \ if (m_class::_get_set() != m_inherits::_get_set()) { \ return _set(p_name, p_property); \ } \ return false; \ } \ _FORCE_INLINE_ void (Object::*_get_get_property_list() const)(List * p_list) const { \ return (void(Object::*)(List *) const) & m_class::_get_property_list; \ } \ virtual void _get_property_listv(List *p_list, bool p_reversed) const override { \ if (!p_reversed) { \ m_inherits::_get_property_listv(p_list, p_reversed); \ } \ p_list->push_back(PropertyInfo(Variant::NIL, get_class_static(), PROPERTY_HINT_NONE, String(), PROPERTY_USAGE_CATEGORY)); \ if (!_is_gpl_reversed()) { \ ::ClassDB::get_property_list(#m_class, p_list, true, this); \ } \ if (m_class::_get_get_property_list() != m_inherits::_get_get_property_list()) { \ _get_property_list(p_list); \ } \ if (_is_gpl_reversed()) { \ ::ClassDB::get_property_list(#m_class, p_list, true, this); \ } \ if (p_reversed) { \ m_inherits::_get_property_listv(p_list, p_reversed); \ } \ } \ _FORCE_INLINE_ void (Object::*_get_notification() const)(int) { \ return (void(Object::*)(int)) & m_class::_notification; \ } \ virtual void _notificationv(int p_notification, bool p_reversed) override { \ if (!p_reversed) { \ m_inherits::_notificationv(p_notification, p_reversed); \ } \ if (m_class::_get_notification() != m_inherits::_get_notification()) { \ _notification(p_notification); \ } \ if (p_reversed) { \ m_inherits::_notificationv(p_notification, p_reversed); \ } \ } \ \ private: #define OBJ_CATEGORY(m_category) \ protected: \ _FORCE_INLINE_ static String _get_category() { return m_category; } \ \ private: #define OBJ_SAVE_TYPE(m_class) \ public: \ virtual String get_save_class() const override { return #m_class; } \ \ private: class ScriptInstance; class Object { public: enum ConnectFlags { CONNECT_DEFERRED = 1, CONNECT_PERSIST = 2, // hint for scene to save this connection CONNECT_ONESHOT = 4, CONNECT_REFERENCE_COUNTED = 8, }; struct Connection { ::Signal signal; Callable callable; uint32_t flags = 0; Vector binds; bool operator<(const Connection &p_conn) const; operator Variant() const; Connection() {} Connection(const Variant &p_variant); }; private: #ifdef DEBUG_ENABLED friend struct _ObjectDebugLock; #endif friend bool predelete_handler(Object *); friend void postinitialize_handler(Object *); ObjectNativeExtension *_extension = nullptr; GDExtensionClassInstancePtr _extension_instance = nullptr; struct SignalData { struct Slot { int reference_count = 0; Connection conn; List::Element *cE = nullptr; }; MethodInfo user; VMap slot_map; }; HashMap signal_map; List connections; #ifdef DEBUG_ENABLED SafeRefCount _lock_index; #endif bool _block_signals = false; int _predelete_ok = 0; ObjectID _instance_id; bool _predelete(); void _postinitialize(); bool _can_translate = true; bool _emitting = false; #ifdef TOOLS_ENABLED bool _edited = false; uint32_t _edited_version = 0; Set editor_section_folding; #endif ScriptInstance *script_instance = nullptr; Variant script; //reference does not yet exist, store it in a Dictionary metadata; mutable StringName _class_name; mutable const StringName *_class_ptr = nullptr; void _add_user_signal(const String &p_name, const Array &p_args = Array()); bool _has_user_signal(const StringName &p_name) const; Variant _emit_signal(const Variant **p_args, int p_argcount, Callable::CallError &r_error); Array _get_signal_list() const; Array _get_signal_connection_list(const String &p_signal) const; Array _get_incoming_connections() const; void _set_bind(const String &p_set, const Variant &p_value); Variant _get_bind(const String &p_name) const; void _set_indexed_bind(const NodePath &p_name, const Variant &p_value); Variant _get_indexed_bind(const NodePath &p_name) const; _FORCE_INLINE_ void _construct_object(bool p_reference); friend class RefCounted; bool type_is_reference = false; std::mutex _instance_binding_mutex; struct InstanceBinding { void *binding; void *token; GDNativeInstanceBindingFreeCallback free_callback = nullptr; GDNativeInstanceBindingReferenceCallback reference_callback = nullptr; }; InstanceBinding *_instance_bindings = nullptr; uint32_t _instance_binding_count = 0; Object(bool p_reference); protected: _FORCE_INLINE_ bool _instance_binding_reference(bool p_reference) { bool can_die = true; if (_instance_bindings) { _instance_binding_mutex.lock(); for (uint32_t i = 0; i < _instance_binding_count; i++) { if (_instance_bindings[i].reference_callback) { if (!_instance_bindings[i].reference_callback(_instance_bindings[i].token, _instance_bindings[i].binding, p_reference)) { can_die = false; } } } _instance_binding_mutex.unlock(); } return can_die; } friend class NativeExtensionMethodBind; _ALWAYS_INLINE_ const ObjectNativeExtension *_get_extension() const { return _extension; } _ALWAYS_INLINE_ GDExtensionClassInstancePtr _get_extension_instance() const { return _extension_instance; } virtual void _initialize_classv() { initialize_class(); } virtual bool _setv(const StringName &p_name, const Variant &p_property) { return false; }; virtual bool _getv(const StringName &p_name, Variant &r_property) const { return false; }; virtual void _get_property_listv(List *p_list, bool p_reversed) const {}; virtual void _notificationv(int p_notification, bool p_reversed) {} static String _get_category() { return ""; } static void _bind_methods(); bool _set(const StringName &p_name, const Variant &p_property) { return false; }; bool _get(const StringName &p_name, Variant &r_property) const { return false; }; void _get_property_list(List *p_list) const {}; void _notification(int p_notification) {} _FORCE_INLINE_ static void (*_get_bind_methods())() { return &Object::_bind_methods; } _FORCE_INLINE_ bool (Object::*_get_get() const)(const StringName &p_name, Variant &r_ret) const { return &Object::_get; } _FORCE_INLINE_ bool (Object::*_get_set() const)(const StringName &p_name, const Variant &p_property) { return &Object::_set; } _FORCE_INLINE_ void (Object::*_get_get_property_list() const)(List *p_list) const { return &Object::_get_property_list; } _FORCE_INLINE_ void (Object::*_get_notification() const)(int) { return &Object::_notification; } static void get_valid_parents_static(List *p_parents); static void _get_valid_parents_static(List *p_parents); //Variant _call_bind(const StringName& p_name, const Variant& p_arg1 = Variant(), const Variant& p_arg2 = Variant(), const Variant& p_arg3 = Variant(), const Variant& p_arg4 = Variant()); //void _call_deferred_bind(const StringName& p_name, const Variant& p_arg1 = Variant(), const Variant& p_arg2 = Variant(), const Variant& p_arg3 = Variant(), const Variant& p_arg4 = Variant()); Variant _call_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error); Variant _call_deferred_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error); virtual const StringName *_get_class_namev() const { if (!_class_name) { _class_name = get_class_static(); } return &_class_name; } Vector _get_meta_list_bind() const; Array _get_property_list_bind() const; Array _get_method_list_bind() const; void _clear_internal_resource_paths(const Variant &p_var); friend class ClassDB; virtual void _validate_property(PropertyInfo &property) const; void _disconnect(const StringName &p_signal, const Callable &p_callable, bool p_force = false); public: //should be protected, but bug in clang++ static void initialize_class(); _FORCE_INLINE_ static void register_custom_data_to_otdb() {} public: void notify_property_list_changed(); static void *get_class_ptr_static() { static int ptr; return &ptr; } bool _is_gpl_reversed() const { return false; } _FORCE_INLINE_ ObjectID get_instance_id() const { return _instance_id; } template static T *cast_to(Object *p_object) { #ifndef NO_SAFE_CAST return dynamic_cast(p_object); #else if (!p_object) { return nullptr; } if (p_object->is_class_ptr(T::get_class_ptr_static())) { return static_cast(p_object); } else { return nullptr; } #endif } template static const T *cast_to(const Object *p_object) { #ifndef NO_SAFE_CAST return dynamic_cast(p_object); #else if (!p_object) { return nullptr; } if (p_object->is_class_ptr(T::get_class_ptr_static())) { return static_cast(p_object); } else { return nullptr; } #endif } enum { NOTIFICATION_POSTINITIALIZE = 0, NOTIFICATION_PREDELETE = 1 }; /* TYPE API */ static void get_inheritance_list_static(List *p_inheritance_list) { p_inheritance_list->push_back("Object"); } static String get_class_static() { return "Object"; } static String get_parent_class_static() { return String(); } static String get_category_static() { return String(); } virtual String get_class() const { if (_extension) return _extension->class_name.operator String(); return "Object"; } virtual String get_save_class() const { return get_class(); } //class stored when saving virtual bool is_class(const String &p_class) const { if (_extension && _extension->is_class(p_class)) { return true; } return (p_class == "Object"); } virtual bool is_class_ptr(void *p_ptr) const { return get_class_ptr_static() == p_ptr; } _FORCE_INLINE_ const StringName &get_class_name() const { if (_extension) { return _extension->class_name; } if (!_class_ptr) { return *_get_class_namev(); } else { return *_class_ptr; } } /* IAPI */ //void set(const String& p_name, const Variant& p_value); //Variant get(const String& p_name) const; void set(const StringName &p_name, const Variant &p_value, bool *r_valid = nullptr); Variant get(const StringName &p_name, bool *r_valid = nullptr) const; void set_indexed(const Vector &p_names, const Variant &p_value, bool *r_valid = nullptr); Variant get_indexed(const Vector &p_names, bool *r_valid = nullptr) const; void get_property_list(List *p_list, bool p_reversed = false) const; bool has_method(const StringName &p_method) const; void get_method_list(List *p_list) const; Variant callv(const StringName &p_method, const Array &p_args); virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error); Variant call(const StringName &p_name, VARIANT_ARG_LIST); // C++ helper void notification(int p_notification, bool p_reversed = false); virtual String to_string(); //used mainly by script, get and set all INCLUDING string virtual Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const; virtual void setvar(const Variant &p_key, const Variant &p_value, bool *r_valid = nullptr); /* SCRIPT */ void set_script(const Variant &p_script); Variant get_script() const; /* SCRIPT */ bool has_meta(const StringName &p_name) const; void set_meta(const StringName &p_name, const Variant &p_value); void remove_meta(const StringName &p_name); Variant get_meta(const StringName &p_name) const; void get_meta_list(List *p_list) const; #ifdef TOOLS_ENABLED void set_edited(bool p_edited); bool is_edited() const; uint32_t get_edited_version() const; //this function is used to check when something changed beyond a point, it's used mainly for generating previews #endif void set_script_instance(ScriptInstance *p_instance); _FORCE_INLINE_ ScriptInstance *get_script_instance() const { return script_instance; } void set_script_and_instance(const Variant &p_script, ScriptInstance *p_instance); //some script languages can't control instance creation, so this function eases the process void add_user_signal(const MethodInfo &p_signal); Error emit_signal(const StringName &p_name, VARIANT_ARG_LIST); Error emit_signal(const StringName &p_name, const Variant **p_args, int p_argcount); bool has_signal(const StringName &p_name) const; void get_signal_list(List *p_signals) const; void get_signal_connection_list(const StringName &p_signal, List *p_connections) const; void get_all_signal_connections(List *p_connections) const; int get_persistent_signal_connection_count() const; void get_signals_connected_to_this(List *p_connections) const; Error connect(const StringName &p_signal, const Callable &p_callable, const Vector &p_binds = Vector(), uint32_t p_flags = 0); void disconnect(const StringName &p_signal, const Callable &p_callable); bool is_connected(const StringName &p_signal, const Callable &p_callable) const; void call_deferred(const StringName &p_method, VARIANT_ARG_LIST); void set_deferred(const StringName &p_property, const Variant &p_value); void set_block_signals(bool p_block); bool is_blocking_signals() const; Variant::Type get_static_property_type(const StringName &p_property, bool *r_valid = nullptr) const; Variant::Type get_static_property_type_indexed(const Vector &p_path, bool *r_valid = nullptr) const; virtual void get_translatable_strings(List *p_strings) const; virtual void get_argument_options(const StringName &p_function, int p_idx, List *r_options) const; String tr(const StringName &p_message, const StringName &p_context = "") const; // translate message (internationalization) String tr_n(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context = "") const; bool _is_queued_for_deletion = false; // set to true by SceneTree::queue_delete() bool is_queued_for_deletion() const; _FORCE_INLINE_ void set_message_translation(bool p_enable) { _can_translate = p_enable; } _FORCE_INLINE_ bool can_translate_messages() const { return _can_translate; } #ifdef TOOLS_ENABLED void editor_set_section_unfold(const String &p_section, bool p_unfolded); bool editor_is_section_unfolded(const String &p_section); const Set &editor_get_section_folding() const { return editor_section_folding; } void editor_clear_section_folding() { editor_section_folding.clear(); } #endif // Used by script languages to store binding data. void *get_instance_binding(void *p_token, const GDNativeInstanceBindingCallbacks *p_callbacks); // Used on creation by binding only. void set_instance_binding(void *p_token, void *p_binding, const GDNativeInstanceBindingCallbacks *p_callbacks); bool has_instance_binding(void *p_token); void clear_internal_resource_paths(); _ALWAYS_INLINE_ bool is_ref_counted() const { return type_is_reference; } Object(); virtual ~Object(); }; bool predelete_handler(Object *p_object); void postinitialize_handler(Object *p_object); class ObjectDB { //this needs to add up to 63, 1 bit is for reference #define OBJECTDB_VALIDATOR_BITS 39 #define OBJECTDB_VALIDATOR_MASK ((uint64_t(1) << OBJECTDB_VALIDATOR_BITS) - 1) #define OBJECTDB_SLOT_MAX_COUNT_BITS 24 #define OBJECTDB_SLOT_MAX_COUNT_MASK ((uint64_t(1) << OBJECTDB_SLOT_MAX_COUNT_BITS) - 1) #define OBJECTDB_REFERENCE_BIT (uint64_t(1) << (OBJECTDB_SLOT_MAX_COUNT_BITS + OBJECTDB_VALIDATOR_BITS)) struct ObjectSlot { //128 bits per slot uint64_t validator : OBJECTDB_VALIDATOR_BITS; uint64_t next_free : OBJECTDB_SLOT_MAX_COUNT_BITS; uint64_t is_ref_counted : 1; Object *object; }; static SpinLock spin_lock; static uint32_t slot_count; static uint32_t slot_max; static ObjectSlot *object_slots; static uint64_t validator_counter; friend class Object; friend void unregister_core_types(); static void cleanup(); static ObjectID add_instance(Object *p_object); static void remove_instance(Object *p_object); friend void register_core_types(); static void setup(); public: typedef void (*DebugFunc)(Object *p_obj); _ALWAYS_INLINE_ static Object *get_instance(ObjectID p_instance_id) { uint64_t id = p_instance_id; uint32_t slot = id & OBJECTDB_SLOT_MAX_COUNT_MASK; ERR_FAIL_COND_V(slot >= slot_max, nullptr); //this should never happen unless RID is corrupted spin_lock.lock(); uint64_t validator = (id >> OBJECTDB_SLOT_MAX_COUNT_BITS) & OBJECTDB_VALIDATOR_MASK; if (unlikely(object_slots[slot].validator != validator)) { spin_lock.unlock(); return nullptr; } Object *object = object_slots[slot].object; spin_lock.unlock(); return object; } static void debug_objects(DebugFunc p_func); static int get_object_count(); }; #endif // OBJECT_H