883 lines
51 KiB
C++
883 lines
51 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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef OBJECT_H
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#define OBJECT_H
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#include "core/extension/gdnative_interface.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/list.h"
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#include "core/templates/map.h"
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#include "core/templates/safe_refcount.h"
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#include "core/templates/set.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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#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()
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#define VARIANT_ARG_PASS p_arg1, p_arg2, p_arg3, p_arg4, p_arg5, p_arg6, p_arg7, p_arg8
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#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
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#define VARIANT_ARG_MAX 8
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#define VARIANT_ARGPTRS const Variant *argptr[8] = { &p_arg1, &p_arg2, &p_arg3, &p_arg4, &p_arg5, &p_arg6, &p_arg7, &p_arg8 };
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#define VARIANT_ARGPTRS_PASS *argptr[0], *argptr[1], *argptr[2], *argptr[3], *argptr[4], *argptr[5], *argptr[6]], *argptr[7]
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#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]
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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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_lesser][,noslider][,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), "full" to also include in/out. (ie: "attenuation,inout")
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PROPERTY_HINT_LENGTH, ///< hint_text= "length" (as integer)
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PROPERTY_HINT_KEY_ACCEL, ///< hint_text= "length" (as integer)
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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_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_IMAGE_COMPRESS_LOSSY,
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PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS,
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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_INT_IS_OBJECTID,
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PROPERTY_HINT_ARRAY_TYPE,
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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,
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PROPERTY_USAGE_EDITOR = 2,
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PROPERTY_USAGE_NETWORK = 4,
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PROPERTY_USAGE_EDITOR_HELPER = 8,
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PROPERTY_USAGE_CHECKABLE = 16, //used for editing global variables
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PROPERTY_USAGE_CHECKED = 32, //used for editing global variables
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PROPERTY_USAGE_INTERNATIONALIZED = 64, //hint for internationalized strings
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PROPERTY_USAGE_GROUP = 128, //used for grouping props in the editor
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PROPERTY_USAGE_CATEGORY = 256,
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PROPERTY_USAGE_SUBGROUP = 512,
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PROPERTY_USAGE_NO_INSTANCE_STATE = 2048,
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PROPERTY_USAGE_RESTART_IF_CHANGED = 4096,
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PROPERTY_USAGE_SCRIPT_VARIABLE = 8192,
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PROPERTY_USAGE_STORE_IF_NULL = 16384,
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PROPERTY_USAGE_ANIMATE_AS_TRIGGER = 32768,
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PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED = 65536,
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PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE = 1 << 17,
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PROPERTY_USAGE_CLASS_IS_ENUM = 1 << 18,
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PROPERTY_USAGE_NIL_IS_VARIANT = 1 << 19,
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PROPERTY_USAGE_INTERNAL = 1 << 20,
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PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE = 1 << 21, // If the object is duplicated also this property will be duplicated
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PROPERTY_USAGE_HIGH_END_GFX = 1 << 22,
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PROPERTY_USAGE_NODE_PATH_FROM_SCENE_ROOT = 1 << 23,
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PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT = 1 << 24,
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PROPERTY_USAGE_KEYING_INCREMENTS = 1 << 25, // Used in inspector to increment property when keyed in animation player
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PROPERTY_USAGE_DEFERRED_SET_RESOURCE = 1 << 26, // 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 << 27, // For Object properties, instantiate them when creating in editor.
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PROPERTY_USAGE_EDITOR_BASIC_SETTING = 1 << 28, //for project or editor settings, show when basic settings are selected
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PROPERTY_USAGE_DEFAULT = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_NETWORK,
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PROPERTY_USAGE_DEFAULT_INTL = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_NETWORK | PROPERTY_USAGE_INTERNATIONALIZED,
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PROPERTY_USAGE_NOEDITOR = PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_NETWORK,
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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_SUBGROUP(m_name, m_prefix) ClassDB::add_property_subgroup(get_class_static(), m_name, m_prefix)
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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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_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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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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Array convert_property_list(const List<PropertyInfo> *p_list);
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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; // NOLINT - prevent clang-tidy to assign method_bind.h constant here, it should stay in .cpp.
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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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MethodInfo(const String &p_name);
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MethodInfo(const String &p_name, const PropertyInfo &p_param1);
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MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2);
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MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3);
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MethodInfo(const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4);
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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);
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MethodInfo(Variant::Type ret);
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MethodInfo(Variant::Type ret, const String &p_name);
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MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1);
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MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2);
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MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3);
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MethodInfo(Variant::Type ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3, const PropertyInfo &p_param4);
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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);
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MethodInfo(const PropertyInfo &p_ret, const String &p_name);
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MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1);
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MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2);
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MethodInfo(const PropertyInfo &p_ret, const String &p_name, const PropertyInfo &p_param1, const PropertyInfo &p_param2, const PropertyInfo &p_param3);
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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);
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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);
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};
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// old cast_to
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//if ( is_type(T::get_class_static()) )
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//return static_cast<T*>(this);
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////else
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//return nullptr;
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// API used to extend in GDNative and other C compatible compiled languages
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class MethodBind;
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struct ObjectNativeExtension {
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ObjectNativeExtension *parent = nullptr;
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List<ObjectNativeExtension *> 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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GDNativeExtensionClassSet set;
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GDNativeExtensionClassGet get;
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GDNativeExtensionClassGetPropertyList get_property_list;
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GDNativeExtensionClassFreePropertyList free_property_list;
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GDNativeExtensionClassNotification notification;
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GDNativeExtensionClassToString to_string;
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GDNativeExtensionClassReference reference;
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GDNativeExtensionClassReference unreference;
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_FORCE_INLINE_ bool is_class(const String &p_class) const {
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const ObjectNativeExtension *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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GDNativeExtensionClassCreateInstance create_instance;
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GDNativeExtensionClassFreeInstance free_instance;
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GDNativeExtensionClassGetVirtual get_virtual;
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};
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#define GDVIRTUAL_CALL(m_name, ...) _gdvirtual_##m_name##_call(__VA_ARGS__)
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#define GDVIRTUAL_BIND(m_name) ClassDB::add_virtual_method(get_class_static(), _gdvirtual_##m_name##_get_method_info());
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/*
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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.
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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) \
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private: \
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void operator=(const m_class &p_rval) {} \
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mutable StringName _class_name; \
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friend class ClassDB; \
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\
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public: \
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virtual String get_class() const override { \
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if (_get_extension()) { \
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return _get_extension()->class_name.operator String(); \
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} \
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return String(#m_class); \
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} \
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virtual const StringName *_get_class_namev() const override { \
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if (_get_extension()) { \
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return &_get_extension()->class_name; \
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} \
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if (!_class_name) { \
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_class_name = get_class_static(); \
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} \
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return &_class_name; \
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} \
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static _FORCE_INLINE_ void *get_class_ptr_static() { \
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static int ptr; \
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return &ptr; \
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} \
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static _FORCE_INLINE_ String get_class_static() { \
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return String(#m_class); \
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} \
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static _FORCE_INLINE_ String get_parent_class_static() { \
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return m_inherits::get_class_static(); \
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} \
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static void get_inheritance_list_static(List<String> *p_inheritance_list) { \
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m_inherits::get_inheritance_list_static(p_inheritance_list); \
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p_inheritance_list->push_back(String(#m_class)); \
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} \
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static String get_category_static() { \
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String category = m_inherits::get_category_static(); \
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if (_get_category != m_inherits::_get_category) { \
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if (category != "") { \
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category += "/"; \
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} \
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category += _get_category(); \
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} \
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return category; \
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} \
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static String inherits_static() { \
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return String(#m_inherits); \
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} \
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virtual bool is_class(const String &p_class) const override { \
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if (_get_extension() && _get_extension()->is_class(p_class)) { \
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return true; \
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} \
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return (p_class == (#m_class)) ? true : m_inherits::is_class(p_class); \
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} \
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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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\
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static void get_valid_parents_static(List<String> *p_parents) { \
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if (m_class::_get_valid_parents_static != m_inherits::_get_valid_parents_static) { \
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m_class::_get_valid_parents_static(p_parents); \
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} \
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\
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m_inherits::get_valid_parents_static(p_parents); \
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} \
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\
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protected: \
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_FORCE_INLINE_ static void (*_get_bind_methods())() { \
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return &m_class::_bind_methods; \
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} \
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\
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public: \
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static void initialize_class() { \
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static bool initialized = false; \
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if (initialized) { \
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return; \
|
|
} \
|
|
m_inherits::initialize_class(); \
|
|
ClassDB::_add_class<m_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<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_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<Variant> 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<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;
|
|
Set<String> 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<PropertyInfo> *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<PropertyInfo> *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<PropertyInfo> *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<String> *p_parents);
|
|
static void _get_valid_parents_static(List<String> *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<String> _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 <class T>
|
|
static T *cast_to(Object *p_object) {
|
|
#ifndef NO_SAFE_CAST
|
|
return dynamic_cast<T *>(p_object);
|
|
#else
|
|
if (!p_object) {
|
|
return nullptr;
|
|
}
|
|
if (p_object->is_class_ptr(T::get_class_ptr_static())) {
|
|
return static_cast<T *>(p_object);
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
template <class T>
|
|
static const T *cast_to(const Object *p_object) {
|
|
#ifndef NO_SAFE_CAST
|
|
return dynamic_cast<const T *>(p_object);
|
|
#else
|
|
if (!p_object) {
|
|
return nullptr;
|
|
}
|
|
if (p_object->is_class_ptr(T::get_class_ptr_static())) {
|
|
return static_cast<const T *>(p_object);
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
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(); }
|
|
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<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;
|
|
|
|
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 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 String &p_name) const;
|
|
void set_meta(const String &p_name, const Variant &p_value);
|
|
void remove_meta(const String &p_name);
|
|
Variant get_meta(const String &p_name) const;
|
|
void get_meta_list(List<String> *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<MethodInfo> *p_signals) const;
|
|
void get_signal_connection_list(const StringName &p_signal, List<Connection> *p_connections) const;
|
|
void get_all_signal_connections(List<Connection> *p_connections) const;
|
|
int get_persistent_signal_connection_count() const;
|
|
void get_signals_connected_to_this(List<Connection> *p_connections) const;
|
|
|
|
Error connect(const StringName &p_signal, const Callable &p_callable, const Vector<Variant> &p_binds = Vector<Variant>(), 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<StringName> &p_path, bool *r_valid = nullptr) const;
|
|
|
|
virtual void get_translatable_strings(List<String> *p_strings) const;
|
|
|
|
virtual void get_argument_options(const StringName &p_function, int p_idx, List<String> *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<String> &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);
|
|
|
|
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);
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void postinitialize_handler(Object *p_object);
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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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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;
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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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|
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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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|
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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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|
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friend void register_core_types();
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static void setup();
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|
|
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public:
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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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|
|
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spin_lock.lock();
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|
|
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uint64_t validator = (id >> OBJECTDB_SLOT_MAX_COUNT_BITS) & OBJECTDB_VALIDATOR_MASK;
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|
|
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if (unlikely(object_slots[slot].validator != validator)) {
|
|
spin_lock.unlock();
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|
return nullptr;
|
|
}
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|
|
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Object *object = object_slots[slot].object;
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|
|
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spin_lock.unlock();
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|
|
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return object;
|
|
}
|
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static void debug_objects(DebugFunc p_func);
|
|
static int get_object_count();
|
|
};
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#endif // OBJECT_H
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