d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
995 lines
56 KiB
C++
995 lines
56 KiB
C++
/**************************************************************************/
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/* object.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 OBJECT_H
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#define OBJECT_H
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#include "core/extension/gdextension_interface.h"
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#include "core/object/message_queue.h"
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#include "core/object/object_id.h"
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#include "core/os/rw_lock.h"
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#include "core/os/spin_lock.h"
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#include "core/templates/hash_map.h"
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#include "core/templates/hash_set.h"
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#include "core/templates/list.h"
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#include "core/templates/rb_map.h"
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#include "core/templates/safe_refcount.h"
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#include "core/templates/vmap.h"
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#include "core/variant/callable_bind.h"
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#include "core/variant/variant.h"
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template <typename T>
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class TypedArray;
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enum PropertyHint {
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PROPERTY_HINT_NONE, ///< no hint provided.
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PROPERTY_HINT_RANGE, ///< hint_text = "min,max[,step][,or_greater][,or_less][,hide_slider][,radians][,degrees][,exp][,suffix:<keyword>] range.
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PROPERTY_HINT_ENUM, ///< hint_text= "val1,val2,val3,etc"
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PROPERTY_HINT_ENUM_SUGGESTION, ///< hint_text= "val1,val2,val3,etc"
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PROPERTY_HINT_EXP_EASING, /// exponential easing function (Math::ease) use "attenuation" hint string to revert (flip h), "positive_only" to exclude in-out and out-in. (ie: "attenuation,positive_only")
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PROPERTY_HINT_LINK,
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PROPERTY_HINT_FLAGS, ///< hint_text= "flag1,flag2,etc" (as bit flags)
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PROPERTY_HINT_LAYERS_2D_RENDER,
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PROPERTY_HINT_LAYERS_2D_PHYSICS,
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PROPERTY_HINT_LAYERS_2D_NAVIGATION,
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PROPERTY_HINT_LAYERS_3D_RENDER,
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PROPERTY_HINT_LAYERS_3D_PHYSICS,
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PROPERTY_HINT_LAYERS_3D_NAVIGATION,
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PROPERTY_HINT_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,"
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PROPERTY_HINT_DIR, ///< a directory path must be passed
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PROPERTY_HINT_GLOBAL_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,"
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PROPERTY_HINT_GLOBAL_DIR, ///< a directory path must be passed
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PROPERTY_HINT_RESOURCE_TYPE, ///< a resource object type
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PROPERTY_HINT_MULTILINE_TEXT, ///< used for string properties that can contain multiple lines
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PROPERTY_HINT_EXPRESSION, ///< used for string properties that can contain multiple lines
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PROPERTY_HINT_PLACEHOLDER_TEXT, ///< used to set a placeholder text for string properties
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PROPERTY_HINT_COLOR_NO_ALPHA, ///< used for ignoring alpha component when editing a color
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PROPERTY_HINT_OBJECT_ID,
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PROPERTY_HINT_TYPE_STRING, ///< a type string, the hint is the base type to choose
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PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE, ///< so something else can provide this (used in scripts)
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PROPERTY_HINT_METHOD_OF_VARIANT_TYPE, ///< a method of a type
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PROPERTY_HINT_METHOD_OF_BASE_TYPE, ///< a method of a base type
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PROPERTY_HINT_METHOD_OF_INSTANCE, ///< a method of an instance
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PROPERTY_HINT_METHOD_OF_SCRIPT, ///< a method of a script & base
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PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE, ///< a property of a type
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PROPERTY_HINT_PROPERTY_OF_BASE_TYPE, ///< a property of a base type
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PROPERTY_HINT_PROPERTY_OF_INSTANCE, ///< a property of an instance
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PROPERTY_HINT_PROPERTY_OF_SCRIPT, ///< a property of a script & base
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PROPERTY_HINT_OBJECT_TOO_BIG, ///< object is too big to send
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PROPERTY_HINT_NODE_PATH_VALID_TYPES,
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PROPERTY_HINT_SAVE_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,". This opens a save dialog
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PROPERTY_HINT_GLOBAL_SAVE_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,". This opens a save dialog
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PROPERTY_HINT_INT_IS_OBJECTID,
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PROPERTY_HINT_INT_IS_POINTER,
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PROPERTY_HINT_ARRAY_TYPE,
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PROPERTY_HINT_LOCALE_ID,
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PROPERTY_HINT_LOCALIZABLE_STRING,
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PROPERTY_HINT_NODE_TYPE, ///< a node object type
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PROPERTY_HINT_HIDE_QUATERNION_EDIT, /// Only Node3D::transform should hide the quaternion editor.
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PROPERTY_HINT_PASSWORD,
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PROPERTY_HINT_MAX,
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// When updating PropertyHint, also sync the hardcoded list in VisualScriptEditorVariableEdit
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};
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enum PropertyUsageFlags {
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PROPERTY_USAGE_NONE = 0,
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PROPERTY_USAGE_STORAGE = 1 << 1,
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PROPERTY_USAGE_EDITOR = 1 << 2,
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PROPERTY_USAGE_CHECKABLE = 1 << 3, // Used for editing global variables.
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PROPERTY_USAGE_CHECKED = 1 << 4, // Used for editing global variables.
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PROPERTY_USAGE_INTERNATIONALIZED = 1 << 5, // Hint for internationalized strings.
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PROPERTY_USAGE_GROUP = 1 << 6, // Used for grouping props in the editor.
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PROPERTY_USAGE_CATEGORY = 1 << 7,
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PROPERTY_USAGE_SUBGROUP = 1 << 8,
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PROPERTY_USAGE_CLASS_IS_BITFIELD = 1 << 9,
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PROPERTY_USAGE_NO_INSTANCE_STATE = 1 << 10,
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PROPERTY_USAGE_RESTART_IF_CHANGED = 1 << 11,
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PROPERTY_USAGE_SCRIPT_VARIABLE = 1 << 12,
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PROPERTY_USAGE_STORE_IF_NULL = 1 << 13,
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PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED = 1 << 14,
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PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE = 1 << 15,
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PROPERTY_USAGE_CLASS_IS_ENUM = 1 << 16,
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PROPERTY_USAGE_NIL_IS_VARIANT = 1 << 17,
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PROPERTY_USAGE_INTERNAL = 1 << 18,
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PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE = 1 << 19, // If the object is duplicated also this property will be duplicated.
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PROPERTY_USAGE_HIGH_END_GFX = 1 << 20,
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PROPERTY_USAGE_NODE_PATH_FROM_SCENE_ROOT = 1 << 21,
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PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT = 1 << 22,
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PROPERTY_USAGE_KEYING_INCREMENTS = 1 << 23, // Used in inspector to increment property when keyed in animation player.
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PROPERTY_USAGE_DEFERRED_SET_RESOURCE = 1 << 24, // when loading, the resource for this property can be set at the end of loading.
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PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT = 1 << 25, // For Object properties, instantiate them when creating in editor.
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PROPERTY_USAGE_EDITOR_BASIC_SETTING = 1 << 26, //for project or editor settings, show when basic settings are selected.
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PROPERTY_USAGE_READ_ONLY = 1 << 27, // Mark a property as read-only in the inspector.
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PROPERTY_USAGE_ARRAY = 1 << 28, // Used in the inspector to group properties as elements of an array.
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PROPERTY_USAGE_DEFAULT = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR,
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PROPERTY_USAGE_DEFAULT_INTL = PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNATIONALIZED,
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PROPERTY_USAGE_NO_EDITOR = PROPERTY_USAGE_STORAGE,
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};
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#define ADD_SIGNAL(m_signal) ::ClassDB::add_signal(get_class_static(), m_signal)
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#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))
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#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)
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#define ADD_PROPERTY_DEFAULT(m_property, m_default) ::ClassDB::set_property_default_value(get_class_static(), m_property, m_default)
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#define ADD_GROUP(m_name, m_prefix) ::ClassDB::add_property_group(get_class_static(), m_name, m_prefix)
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#define ADD_GROUP_INDENT(m_name, m_prefix, m_depth) ::ClassDB::add_property_group(get_class_static(), m_name, m_prefix, m_depth)
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#define ADD_SUBGROUP(m_name, m_prefix) ::ClassDB::add_property_subgroup(get_class_static(), m_name, m_prefix)
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#define ADD_SUBGROUP_INDENT(m_name, m_prefix, m_depth) ::ClassDB::add_property_subgroup(get_class_static(), m_name, m_prefix, m_depth)
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#define ADD_LINKED_PROPERTY(m_property, m_linked_property) ::ClassDB::add_linked_property(get_class_static(), m_property, m_linked_property)
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#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)
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#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)
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#define ADD_ARRAY(m_array_path, m_prefix) ClassDB::add_property_array(get_class_static(), m_array_path, m_prefix)
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// Helper macro to use with PROPERTY_HINT_ARRAY_TYPE for arrays of specific resources:
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// PropertyInfo(Variant::ARRAY, "fallbacks", PROPERTY_HINT_ARRAY_TYPE, MAKE_RESOURCE_TYPE_HINT("Font")
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#define MAKE_RESOURCE_TYPE_HINT(m_type) vformat("%s/%s:%s", Variant::OBJECT, PROPERTY_HINT_RESOURCE_TYPE, m_type)
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struct PropertyInfo {
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Variant::Type type = Variant::NIL;
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String name;
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StringName class_name; // For classes
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PropertyHint hint = PROPERTY_HINT_NONE;
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String hint_string;
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uint32_t usage = PROPERTY_USAGE_DEFAULT;
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// If you are thinking about adding another member to this class, ask the maintainer (Juan) first.
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_FORCE_INLINE_ PropertyInfo added_usage(uint32_t p_fl) const {
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PropertyInfo pi = *this;
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pi.usage |= p_fl;
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return pi;
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}
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operator Dictionary() const;
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static PropertyInfo from_dict(const Dictionary &p_dict);
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PropertyInfo() {}
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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()) :
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type(p_type),
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name(p_name),
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hint(p_hint),
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hint_string(p_hint_string),
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usage(p_usage) {
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if (hint == PROPERTY_HINT_RESOURCE_TYPE) {
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class_name = hint_string;
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} else {
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class_name = p_class_name;
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}
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}
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PropertyInfo(const StringName &p_class_name) :
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type(Variant::OBJECT),
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class_name(p_class_name) {}
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explicit PropertyInfo(const GDExtensionPropertyInfo &pinfo) :
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type((Variant::Type)pinfo.type),
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name(*reinterpret_cast<StringName *>(pinfo.name)),
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class_name(*reinterpret_cast<StringName *>(pinfo.class_name)),
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hint((PropertyHint)pinfo.hint),
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hint_string(*reinterpret_cast<String *>(pinfo.hint_string)),
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usage(pinfo.usage) {}
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bool operator==(const PropertyInfo &p_info) const {
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return ((type == p_info.type) &&
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(name == p_info.name) &&
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(class_name == p_info.class_name) &&
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(hint == p_info.hint) &&
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(hint_string == p_info.hint_string) &&
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(usage == p_info.usage));
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}
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bool operator<(const PropertyInfo &p_info) const {
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return name < p_info.name;
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}
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};
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TypedArray<Dictionary> convert_property_list(const List<PropertyInfo> *p_list);
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enum MethodFlags {
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METHOD_FLAG_NORMAL = 1,
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METHOD_FLAG_EDITOR = 2,
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METHOD_FLAG_CONST = 4,
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METHOD_FLAG_VIRTUAL = 8,
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METHOD_FLAG_VARARG = 16,
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METHOD_FLAG_STATIC = 32,
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METHOD_FLAG_OBJECT_CORE = 64,
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METHOD_FLAGS_DEFAULT = METHOD_FLAG_NORMAL,
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};
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struct MethodInfo {
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String name;
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PropertyInfo return_val;
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uint32_t flags = METHOD_FLAGS_DEFAULT;
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int id = 0;
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List<PropertyInfo> arguments;
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Vector<Variant> default_arguments;
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inline bool operator==(const MethodInfo &p_method) const { return id == p_method.id; }
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inline bool operator<(const MethodInfo &p_method) const { return id == p_method.id ? (name < p_method.name) : (id < p_method.id); }
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operator Dictionary() const;
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static MethodInfo from_dict(const Dictionary &p_dict);
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MethodInfo() {}
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explicit MethodInfo(const GDExtensionMethodInfo &pinfo) :
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name(*reinterpret_cast<StringName *>(pinfo.name)),
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return_val(PropertyInfo(pinfo.return_value)),
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flags(pinfo.flags),
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id(pinfo.id) {
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for (uint32_t j = 0; j < pinfo.argument_count; j++) {
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arguments.push_back(PropertyInfo(pinfo.arguments[j]));
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}
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const Variant *def_values = (const Variant *)pinfo.default_arguments;
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for (uint32_t j = 0; j < pinfo.default_argument_count; j++) {
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default_arguments.push_back(def_values[j]);
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}
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}
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void _push_params(const PropertyInfo &p_param) {
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arguments.push_back(p_param);
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}
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template <typename... VarArgs>
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void _push_params(const PropertyInfo &p_param, VarArgs... p_params) {
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arguments.push_back(p_param);
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_push_params(p_params...);
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}
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MethodInfo(const String &p_name) { name = p_name; }
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template <typename... VarArgs>
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MethodInfo(const String &p_name, VarArgs... p_params) {
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name = p_name;
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_push_params(p_params...);
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}
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MethodInfo(Variant::Type ret) { return_val.type = ret; }
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MethodInfo(Variant::Type ret, const String &p_name) {
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return_val.type = ret;
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name = p_name;
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}
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template <typename... VarArgs>
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MethodInfo(Variant::Type ret, const String &p_name, VarArgs... p_params) {
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name = p_name;
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return_val.type = ret;
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_push_params(p_params...);
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}
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MethodInfo(const PropertyInfo &p_ret, const String &p_name) {
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return_val = p_ret;
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name = p_name;
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}
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template <typename... VarArgs>
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MethodInfo(const PropertyInfo &p_ret, const String &p_name, VarArgs... p_params) {
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return_val = p_ret;
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name = p_name;
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_push_params(p_params...);
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}
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};
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// API used to extend in GDExtension and other C compatible compiled languages.
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class MethodBind;
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struct ObjectGDExtension {
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ObjectGDExtension *parent = nullptr;
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List<ObjectGDExtension *> children;
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StringName parent_class_name;
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StringName class_name;
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bool editor_class = false;
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bool is_virtual = false;
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bool is_abstract = false;
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GDExtensionClassSet set;
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GDExtensionClassGet get;
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GDExtensionClassGetPropertyList get_property_list;
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GDExtensionClassFreePropertyList free_property_list;
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GDExtensionClassPropertyCanRevert property_can_revert;
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GDExtensionClassPropertyGetRevert property_get_revert;
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GDExtensionClassNotification notification;
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GDExtensionClassToString to_string;
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GDExtensionClassReference reference;
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GDExtensionClassReference unreference;
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GDExtensionClassGetRID get_rid;
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_FORCE_INLINE_ bool is_class(const String &p_class) const {
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const ObjectGDExtension *e = this;
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while (e) {
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if (p_class == e->class_name.operator String()) {
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return true;
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}
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e = e->parent;
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}
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return false;
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}
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void *class_userdata = nullptr;
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GDExtensionClassCreateInstance create_instance;
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GDExtensionClassFreeInstance free_instance;
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GDExtensionClassGetVirtual get_virtual;
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};
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#define GDVIRTUAL_CALL(m_name, ...) _gdvirtual_##m_name##_call<false>(__VA_ARGS__)
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#define GDVIRTUAL_CALL_PTR(m_obj, m_name, ...) m_obj->_gdvirtual_##m_name##_call<false>(__VA_ARGS__)
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#define GDVIRTUAL_REQUIRED_CALL(m_name, ...) _gdvirtual_##m_name##_call<true>(__VA_ARGS__)
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#define GDVIRTUAL_REQUIRED_CALL_PTR(m_obj, m_name, ...) m_obj->_gdvirtual_##m_name##_call<true>(__VA_ARGS__)
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#ifdef DEBUG_METHODS_ENABLED
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#define GDVIRTUAL_BIND(m_name, ...) ::ClassDB::add_virtual_method(get_class_static(), _gdvirtual_##m_name##_get_method_info(), true, sarray(__VA_ARGS__));
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#else
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#define GDVIRTUAL_BIND(m_name, ...)
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#endif
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#define GDVIRTUAL_IS_OVERRIDDEN(m_name) _gdvirtual_##m_name##_overridden()
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#define GDVIRTUAL_IS_OVERRIDDEN_PTR(m_obj, m_name) m_obj->_gdvirtual_##m_name##_overridden()
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/*
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* The following is an incomprehensible blob of hacks and workarounds to
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* compensate for many of the fallacies in C++. As a plus, this macro pretty
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* much alone defines the object model.
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*/
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#define REVERSE_GET_PROPERTY_LIST \
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public: \
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_FORCE_INLINE_ bool _is_gpl_reversed() const { return true; }; \
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\
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private:
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#define UNREVERSE_GET_PROPERTY_LIST \
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public: \
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_FORCE_INLINE_ bool _is_gpl_reversed() const { return false; }; \
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\
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private:
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#define GDCLASS(m_class, m_inherits) \
|
|
private: \
|
|
void operator=(const m_class &p_rval) {} \
|
|
mutable StringName _class_name; \
|
|
friend class ::ClassDB; \
|
|
\
|
|
public: \
|
|
static constexpr bool _class_is_enabled = !bool(GD_IS_DEFINED(ClassDB_Disable_##m_class)) && m_inherits::_class_is_enabled; \
|
|
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<String> *p_inheritance_list) { \
|
|
m_inherits::get_inheritance_list_static(p_inheritance_list); \
|
|
p_inheritance_list->push_back(String(#m_class)); \
|
|
} \
|
|
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); } \
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|
\
|
|
static void get_valid_parents_static(List<String> *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(); \
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|
::ClassDB::_add_class<m_class>(); \
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|
if (m_class::_get_bind_methods() != m_inherits::_get_bind_methods()) { \
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|
_bind_methods(); \
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|
} \
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|
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<PropertyInfo> * p_list) const { \
|
|
return (void(Object::*)(List<PropertyInfo> *) const) & m_class::_get_property_list; \
|
|
} \
|
|
virtual void _get_property_listv(List<PropertyInfo> *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_validate_property() const)(PropertyInfo & p_property) const { \
|
|
return (void(Object::*)(PropertyInfo &) const) & m_class::_validate_property; \
|
|
} \
|
|
virtual void _validate_propertyv(PropertyInfo &p_property) const override { \
|
|
m_inherits::_validate_propertyv(p_property); \
|
|
if (m_class::_get_validate_property() != m_inherits::_get_validate_property()) { \
|
|
_validate_property(p_property); \
|
|
} \
|
|
} \
|
|
_FORCE_INLINE_ bool (Object::*_get_property_can_revert() const)(const StringName &p_name) const { \
|
|
return (bool(Object::*)(const StringName &) const) & m_class::_property_can_revert; \
|
|
} \
|
|
virtual bool _property_can_revertv(const StringName &p_name) const override { \
|
|
if (m_class::_get_property_can_revert() != m_inherits::_get_property_can_revert()) { \
|
|
if (_property_can_revert(p_name)) { \
|
|
return true; \
|
|
} \
|
|
} \
|
|
return m_inherits::_property_can_revertv(p_name); \
|
|
} \
|
|
_FORCE_INLINE_ bool (Object::*_get_property_get_revert() const)(const StringName &p_name, Variant &) const { \
|
|
return (bool(Object::*)(const StringName &, Variant &) const) & m_class::_property_get_revert; \
|
|
} \
|
|
virtual bool _property_get_revertv(const StringName &p_name, Variant &r_ret) const override { \
|
|
if (m_class::_get_property_get_revert() != m_inherits::_get_property_get_revert()) { \
|
|
if (_property_get_revert(p_name, r_ret)) { \
|
|
return true; \
|
|
} \
|
|
} \
|
|
return m_inherits::_property_get_revertv(p_name, r_ret); \
|
|
} \
|
|
_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_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_ONE_SHOT = 4,
|
|
CONNECT_REFERENCE_COUNTED = 8,
|
|
CONNECT_INHERITED = 16, // Used in editor builds.
|
|
};
|
|
|
|
struct Connection {
|
|
::Signal signal;
|
|
Callable callable;
|
|
|
|
uint32_t flags = 0;
|
|
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 *);
|
|
|
|
ObjectGDExtension *_extension = nullptr;
|
|
GDExtensionClassInstancePtr _extension_instance = nullptr;
|
|
|
|
struct SignalData {
|
|
struct Slot {
|
|
int reference_count = 0;
|
|
Connection conn;
|
|
List<Connection>::Element *cE = nullptr;
|
|
};
|
|
|
|
MethodInfo user;
|
|
VMap<Callable, Slot> slot_map;
|
|
};
|
|
|
|
HashMap<StringName, SignalData> signal_map;
|
|
List<Connection> 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;
|
|
HashSet<String> editor_section_folding;
|
|
#endif
|
|
ScriptInstance *script_instance = nullptr;
|
|
Variant script; // Reference does not exist yet, store it in a Variant.
|
|
HashMap<StringName, Variant> metadata;
|
|
HashMap<StringName, Variant *> metadata_properties;
|
|
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;
|
|
Error _emit_signal(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
|
|
TypedArray<Dictionary> _get_signal_list() const;
|
|
TypedArray<Dictionary> _get_signal_connection_list(const StringName &p_signal) const;
|
|
TypedArray<Dictionary> _get_incoming_connections() const;
|
|
void _set_bind(const StringName &p_set, const Variant &p_value);
|
|
Variant _get_bind(const StringName &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 = nullptr;
|
|
void *token = nullptr;
|
|
GDExtensionInstanceBindingFreeCallback free_callback = nullptr;
|
|
GDExtensionInstanceBindingReferenceCallback 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 GDExtensionMethodBind;
|
|
_ALWAYS_INLINE_ const ObjectGDExtension *_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<PropertyInfo> *p_list, bool p_reversed) const {};
|
|
virtual void _validate_propertyv(PropertyInfo &p_property) const {};
|
|
virtual bool _property_can_revertv(const StringName &p_name) const { return false; };
|
|
virtual bool _property_get_revertv(const StringName &p_name, Variant &r_property) const { return false; };
|
|
virtual void _notificationv(int p_notification, bool p_reversed) {}
|
|
|
|
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<PropertyInfo> *p_list) const {};
|
|
void _validate_property(PropertyInfo &p_property) const {};
|
|
bool _property_can_revert(const StringName &p_name) const { return false; };
|
|
bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return false; };
|
|
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<PropertyInfo> *p_list) const {
|
|
return &Object::_get_property_list;
|
|
}
|
|
_FORCE_INLINE_ void (Object::*_get_validate_property() const)(PropertyInfo &p_property) const {
|
|
return &Object::_validate_property;
|
|
}
|
|
_FORCE_INLINE_ bool (Object::*_get_property_can_revert() const)(const StringName &p_name) const {
|
|
return &Object::_property_can_revert;
|
|
}
|
|
_FORCE_INLINE_ bool (Object::*_get_property_get_revert() const)(const StringName &p_name, Variant &) const {
|
|
return &Object::_property_get_revert;
|
|
}
|
|
_FORCE_INLINE_ void (Object::*_get_notification() const)(int) {
|
|
return &Object::_notification;
|
|
}
|
|
static void get_valid_parents_static(List<String> *p_parents);
|
|
static void _get_valid_parents_static(List<String> *p_parents);
|
|
|
|
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<StringName> _get_meta_list_bind() const;
|
|
TypedArray<Dictionary> _get_property_list_bind() const;
|
|
TypedArray<Dictionary> _get_method_list_bind() const;
|
|
|
|
void _clear_internal_resource_paths(const Variant &p_var);
|
|
|
|
friend class ClassDB;
|
|
|
|
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:
|
|
static constexpr bool _class_is_enabled = true;
|
|
|
|
void notify_property_list_changed();
|
|
|
|
static void *get_class_ptr_static() {
|
|
static int ptr;
|
|
return &ptr;
|
|
}
|
|
|
|
bool _is_gpl_reversed() const { return false; }
|
|
|
|
void detach_from_objectdb();
|
|
_FORCE_INLINE_ ObjectID get_instance_id() const { return _instance_id; }
|
|
|
|
template <class T>
|
|
static T *cast_to(Object *p_object) {
|
|
return dynamic_cast<T *>(p_object);
|
|
}
|
|
|
|
template <class T>
|
|
static const T *cast_to(const Object *p_object) {
|
|
return dynamic_cast<const T *>(p_object);
|
|
}
|
|
|
|
enum {
|
|
NOTIFICATION_POSTINITIALIZE = 0,
|
|
NOTIFICATION_PREDELETE = 1
|
|
};
|
|
|
|
/* TYPE API */
|
|
static void get_inheritance_list_static(List<String> *p_inheritance_list) { p_inheritance_list->push_back("Object"); }
|
|
|
|
static String get_class_static() { return "Object"; }
|
|
static String get_parent_class_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 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<StringName> &p_names, const Variant &p_value, bool *r_valid = nullptr);
|
|
Variant get_indexed(const Vector<StringName> &p_names, bool *r_valid = nullptr) const;
|
|
|
|
void get_property_list(List<PropertyInfo> *p_list, bool p_reversed = false) const;
|
|
void validate_property(PropertyInfo &p_property) const;
|
|
bool property_can_revert(const StringName &p_name) const;
|
|
Variant property_get_revert(const StringName &p_name) const;
|
|
|
|
bool has_method(const StringName &p_method) const;
|
|
void get_method_list(List<MethodInfo> *p_list) const;
|
|
Variant callv(const StringName &p_method, const Array &p_args);
|
|
virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
|
|
virtual Variant call_const(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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template <typename... VarArgs>
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Variant call(const StringName &p_method, VarArgs... p_args) {
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Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
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const Variant *argptrs[sizeof...(p_args) + 1];
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for (uint32_t i = 0; i < sizeof...(p_args); i++) {
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argptrs[i] = &args[i];
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}
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Callable::CallError cerr;
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return callp(p_method, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args), cerr);
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}
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void notification(int p_notification, bool p_reversed = false);
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virtual String to_string();
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// Used mainly by script, get and set all INCLUDING string.
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virtual Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const;
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virtual void setvar(const Variant &p_key, const Variant &p_value, bool *r_valid = nullptr);
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/* SCRIPT */
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void set_script(const Variant &p_script);
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Variant get_script() const;
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bool has_meta(const StringName &p_name) const;
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void set_meta(const StringName &p_name, const Variant &p_value);
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void remove_meta(const StringName &p_name);
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Variant get_meta(const StringName &p_name, const Variant &p_default = Variant()) const;
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void get_meta_list(List<StringName> *p_list) const;
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#ifdef TOOLS_ENABLED
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void set_edited(bool p_edited);
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bool is_edited() const;
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// This function is used to check when something changed beyond a point, it's used mainly for generating previews.
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uint32_t get_edited_version() const;
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#endif
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void set_script_instance(ScriptInstance *p_instance);
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_FORCE_INLINE_ ScriptInstance *get_script_instance() const { return script_instance; }
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// Some script languages can't control instance creation, so this function eases the process.
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void set_script_and_instance(const Variant &p_script, ScriptInstance *p_instance);
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void add_user_signal(const MethodInfo &p_signal);
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template <typename... VarArgs>
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Error emit_signal(const StringName &p_name, VarArgs... p_args) {
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Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
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const Variant *argptrs[sizeof...(p_args) + 1];
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for (uint32_t i = 0; i < sizeof...(p_args); i++) {
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argptrs[i] = &args[i];
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}
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return emit_signalp(p_name, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
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}
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Error emit_signalp(const StringName &p_name, const Variant **p_args, int p_argcount);
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bool has_signal(const StringName &p_name) const;
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void get_signal_list(List<MethodInfo> *p_signals) const;
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void get_signal_connection_list(const StringName &p_signal, List<Connection> *p_connections) const;
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void get_all_signal_connections(List<Connection> *p_connections) const;
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int get_persistent_signal_connection_count() const;
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void get_signals_connected_to_this(List<Connection> *p_connections) const;
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Error connect(const StringName &p_signal, const Callable &p_callable, uint32_t p_flags = 0);
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void disconnect(const StringName &p_signal, const Callable &p_callable);
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bool is_connected(const StringName &p_signal, const Callable &p_callable) const;
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template <typename... VarArgs>
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void call_deferred(const StringName &p_name, VarArgs... p_args) {
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MessageQueue::get_singleton()->push_call(this, p_name, p_args...);
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}
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void set_deferred(const StringName &p_property, const Variant &p_value);
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void set_block_signals(bool p_block);
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bool is_blocking_signals() const;
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Variant::Type get_static_property_type(const StringName &p_property, bool *r_valid = nullptr) const;
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Variant::Type get_static_property_type_indexed(const Vector<StringName> &p_path, bool *r_valid = nullptr) const;
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virtual void get_translatable_strings(List<String> *p_strings) const;
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virtual void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const;
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// Translate message (internationalization).
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String tr(const StringName &p_message, const StringName &p_context = "") const;
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String tr_n(const StringName &p_message, const StringName &p_message_plural, int p_n, const StringName &p_context = "") const;
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bool _is_queued_for_deletion = false; // Set to true by SceneTree::queue_delete().
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bool is_queued_for_deletion() const;
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_FORCE_INLINE_ void set_message_translation(bool p_enable) { _can_translate = p_enable; }
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_FORCE_INLINE_ bool can_translate_messages() const { return _can_translate; }
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#ifdef TOOLS_ENABLED
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void editor_set_section_unfold(const String &p_section, bool p_unfolded);
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bool editor_is_section_unfolded(const String &p_section);
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const HashSet<String> &editor_get_section_folding() const { return editor_section_folding; }
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void editor_clear_section_folding() { editor_section_folding.clear(); }
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#endif
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// Used by script languages to store binding data.
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void *get_instance_binding(void *p_token, const GDExtensionInstanceBindingCallbacks *p_callbacks);
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// Used on creation by binding only.
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void set_instance_binding(void *p_token, void *p_binding, const GDExtensionInstanceBindingCallbacks *p_callbacks);
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bool has_instance_binding(void *p_token);
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void clear_internal_resource_paths();
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_ALWAYS_INLINE_ bool is_ref_counted() const { return type_is_reference; }
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Object();
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virtual ~Object();
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};
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bool predelete_handler(Object *p_object);
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void postinitialize_handler(Object *p_object);
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|
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class ObjectDB {
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// This needs to add up to 63, 1 bit is for reference.
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#define OBJECTDB_VALIDATOR_BITS 39
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#define OBJECTDB_VALIDATOR_MASK ((uint64_t(1) << OBJECTDB_VALIDATOR_BITS) - 1)
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#define OBJECTDB_SLOT_MAX_COUNT_BITS 24
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#define OBJECTDB_SLOT_MAX_COUNT_MASK ((uint64_t(1) << OBJECTDB_SLOT_MAX_COUNT_BITS) - 1)
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#define OBJECTDB_REFERENCE_BIT (uint64_t(1) << (OBJECTDB_SLOT_MAX_COUNT_BITS + OBJECTDB_VALIDATOR_BITS))
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|
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struct ObjectSlot { // 128 bits per slot.
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uint64_t validator : OBJECTDB_VALIDATOR_BITS;
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uint64_t next_free : OBJECTDB_SLOT_MAX_COUNT_BITS;
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uint64_t is_ref_counted : 1;
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Object *object = nullptr;
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};
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static SpinLock spin_lock;
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static uint32_t slot_count;
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static uint32_t slot_max;
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static ObjectSlot *object_slots;
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static uint64_t validator_counter;
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friend class Object;
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|
friend void unregister_core_types();
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|
static void cleanup();
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|
|
static ObjectID add_instance(Object *p_object);
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|
static void remove_instance(Object *p_object);
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|
|
friend void register_core_types();
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static void setup();
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|
|
public:
|
|
typedef void (*DebugFunc)(Object *p_obj);
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|
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_ALWAYS_INLINE_ static Object *get_instance(ObjectID p_instance_id) {
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uint64_t id = p_instance_id;
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uint32_t slot = id & OBJECTDB_SLOT_MAX_COUNT_MASK;
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|
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ERR_FAIL_COND_V(slot >= slot_max, nullptr); // This should never happen unless RID is corrupted.
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|
|
spin_lock.lock();
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|
|
uint64_t validator = (id >> OBJECTDB_SLOT_MAX_COUNT_BITS) & OBJECTDB_VALIDATOR_MASK;
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|
|
|
if (unlikely(object_slots[slot].validator != validator)) {
|
|
spin_lock.unlock();
|
|
return nullptr;
|
|
}
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|
|
|
Object *object = object_slots[slot].object;
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|
|
spin_lock.unlock();
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|
|
|
return object;
|
|
}
|
|
static void debug_objects(DebugFunc p_func);
|
|
static int get_object_count();
|
|
};
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|
#endif // OBJECT_H
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