2014-02-10 01:10:30 +00:00
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/*************************************************************************/
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/* variant.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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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 VARIANT_H
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#define VARIANT_H
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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#include "aabb.h"
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#include "ustring.h"
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#include "vector3.h"
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#include "plane.h"
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#include "quat.h"
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#include "matrix3.h"
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#include "transform.h"
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#include "image.h"
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#include "dvector.h"
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#include "path_db.h"
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#include "simple_type.h"
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#include "os/input_event.h"
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#include "color.h"
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#include "face3.h"
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#include "ref_ptr.h"
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#include "math_2d.h"
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#include "rid.h"
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#include "io/ip_address.h"
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#include "dictionary.h"
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#include "array.h"
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class RefPtr;
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class Object;
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class Node; // helper
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class Control; // helper
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struct PropertyInfo;
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struct MethodInfo;
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typedef DVector<uint8_t> ByteArray;
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typedef DVector<int> IntArray;
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typedef DVector<real_t> RealArray;
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typedef DVector<String> StringArray;
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typedef DVector<Vector2> Vector2Array;
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typedef DVector<Vector3> Vector3Array;
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typedef DVector<Color> ColorArray;
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class Variant {
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public:
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enum Type {
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NIL,
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// atomic types
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BOOL,
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INT,
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REAL,
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STRING,
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// math types
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VECTOR2, // 5
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RECT2,
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VECTOR3,
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MATRIX32,
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PLANE,
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QUAT, // 10
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_AABB, //sorry naming convention fail :( not like it's used often
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MATRIX3,
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TRANSFORM,
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// misc types
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COLOR,
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IMAGE, // 15
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NODE_PATH,
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_RID,
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OBJECT,
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INPUT_EVENT,
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DICTIONARY, // 20
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ARRAY,
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// arrays
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RAW_ARRAY,
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INT_ARRAY,
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REAL_ARRAY,
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STRING_ARRAY, // 25
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VECTOR2_ARRAY,
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VECTOR3_ARRAY,
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COLOR_ARRAY,
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VARIANT_MAX
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};
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private:
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friend class _VariantCall;
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// Variant takes 20 bytes when real_t is float, and 36 if double
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// it only allocates extra memory for aabb/matrix.
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Type type;
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struct ObjData {
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Object *obj;
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RefPtr ref;
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};
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_FORCE_INLINE_ ObjData& _get_obj();
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_FORCE_INLINE_ const ObjData& _get_obj() const;
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union {
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bool _bool;
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int _int;
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double _real;
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Matrix32 *_matrix32;
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AABB* _aabb;
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Matrix3 *_matrix3;
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Transform *_transform;
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RefPtr *_resource;
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InputEvent *_input_event;
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Image *_image;
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void *_ptr; //generic pointer
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#ifdef USE_QUAD_VECTORS
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uint8_t _mem[sizeof(ObjData) > (sizeof(real_t)*5) ? sizeof(ObjData) : (sizeof(real_t)*5)]; // plane uses an extra real
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#else
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uint8_t _mem[sizeof(ObjData) > (sizeof(real_t)*4) ? sizeof(ObjData) : (sizeof(real_t)*4)];
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#endif
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} _data;
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void reference(const Variant& p_variant);
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void clear();
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public:
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_FORCE_INLINE_ Type get_type() const { return type; }
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static String get_type_name(Variant::Type p_type);
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static bool can_convert(Type p_type_from,Type p_type_to);
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2014-12-17 12:14:25 +00:00
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2014-12-15 18:42:58 +00:00
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2014-02-10 01:10:30 +00:00
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template<class T>
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static Type get_type_for() {
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GetSimpleType<T> t;
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Variant v(t.type);
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2014-12-15 18:42:58 +00:00
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Type r = v.get_type();
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return r;
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2014-02-10 01:10:30 +00:00
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}
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2014-12-17 12:14:25 +00:00
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2014-02-10 01:10:30 +00:00
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bool is_ref() const;
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_FORCE_INLINE_ bool is_num() const { return type==INT || type==REAL; };
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_FORCE_INLINE_ bool is_array() const { return type>=ARRAY; };
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bool is_shared() const;
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bool is_zero() const;
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operator bool() const;
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operator signed int() const;
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operator unsigned int() const; // this is the real one
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operator signed short() const;
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operator unsigned short() const;
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operator signed char() const;
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operator unsigned char() const;
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//operator long unsigned int() const;
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operator int64_t() const;
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operator uint64_t() const;
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#ifdef NEED_LONG_INT
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operator signed long() const;
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operator unsigned long() const;
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#endif
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#ifndef CHARTYPE_16BITS
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operator CharType() const;
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#endif
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operator float() const;
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operator double() const;
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operator String() const;
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operator StringName() const;
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operator Vector2() const;
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operator Rect2() const;
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operator Vector3() const;
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operator Plane() const;
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operator AABB() const;
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operator Quat() const;
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operator Matrix3() const;
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operator Transform() const;
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operator Matrix32() const;
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operator Color() const;
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operator Image() const;
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operator NodePath() const;
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operator RefPtr() const;
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operator RID() const;
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operator InputEvent() const;
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operator Object*() const;
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operator Node*() const;
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operator Control*() const;
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operator Dictionary() const;
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operator Array() const;
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operator DVector<uint8_t>() const;
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operator DVector<int>() const;
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operator DVector<real_t>() const;
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operator DVector<String>() const;
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operator DVector<Vector3>() const;
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operator DVector<Color>() const;
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operator DVector<Plane>() const;
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operator DVector<Face3>() const;
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operator Vector<Variant>() const;
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operator Vector<uint8_t>() const;
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operator Vector<int>() const;
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operator Vector<real_t>() const;
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operator Vector<String>() const;
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operator Vector<Vector3>() const;
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operator Vector<Color>() const;
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operator Vector<RID>() const;
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operator Vector<Vector2>() const;
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operator DVector<Vector2>() const;
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operator Vector<Plane>() const;
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// some core type enums to convert to
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operator Margin() const;
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operator Orientation() const;
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operator IP_Address() const;
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Variant(bool p_bool);
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Variant(signed int p_int); // real one
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Variant(unsigned int p_int);
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#ifdef NEED_LONG_INT
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Variant(signed long p_long); // real one
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Variant(unsigned long p_long);
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//Variant(long unsigned int p_long);
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#endif
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Variant(signed short p_short); // real one
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Variant(unsigned short p_short);
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Variant(signed char p_char); // real one
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Variant(unsigned char p_char);
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Variant(int64_t p_char); // real one
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Variant(uint64_t p_char);
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Variant(float p_float);
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Variant(double p_double);
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Variant(const String& p_string);
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Variant(const StringName& p_string);
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Variant(const char * const p_cstring);
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Variant(const CharType * p_wstring);
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Variant(const Vector2& p_vector2);
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Variant(const Rect2& p_rect2);
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Variant(const Vector3& p_vector3);
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Variant(const Plane& p_plane);
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Variant(const AABB& p_aabb);
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Variant(const Quat& p_quat);
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Variant(const Matrix3& p_transform);
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Variant(const Matrix32& p_transform);
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Variant(const Transform& p_transform);
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Variant(const Color& p_color);
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Variant(const Image& p_image);
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Variant(const NodePath& p_path);
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Variant(const RefPtr& p_resource);
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Variant(const RID& p_rid);
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Variant(const Object* p_object);
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Variant(const InputEvent& p_input_event);
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Variant(const Dictionary& p_dictionary);
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Variant(const Array& p_array);
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Variant(const DVector<Plane>& p_array); // helper
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Variant(const DVector<uint8_t>& p_raw_array);
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Variant(const DVector<int>& p_int_array);
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Variant(const DVector<real_t>& p_real_array);
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Variant(const DVector<String>& p_string_array);
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Variant(const DVector<Vector3>& p_vector3_array);
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Variant(const DVector<Color>& p_color_array);
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Variant(const DVector<Face3>& p_face_array);
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Variant(const Vector<Variant>& p_array);
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Variant(const Vector<uint8_t>& p_raw_array);
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Variant(const Vector<int>& p_int_array);
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Variant(const Vector<real_t>& p_real_array);
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Variant(const Vector<String>& p_string_array);
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Variant(const Vector<Vector3>& p_vector3_array);
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Variant(const Vector<Color>& p_color_array);
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Variant(const Vector<Plane>& p_array); // helper
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Variant(const Vector<RID>& p_array); // helper
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Variant(const Vector<Vector2>& p_array); // helper
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Variant(const DVector<Vector2>& p_array); // helper
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Variant(const IP_Address& p_address);
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enum Operator {
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//comparation
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OP_EQUAL,
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OP_NOT_EQUAL,
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OP_LESS,
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OP_LESS_EQUAL,
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OP_GREATER,
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OP_GREATER_EQUAL,
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//mathematic
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OP_ADD,
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OP_SUBSTRACT,
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OP_MULTIPLY,
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OP_DIVIDE,
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OP_NEGATE,
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OP_MODULE,
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OP_STRING_CONCAT,
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//bitwise
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OP_SHIFT_LEFT,
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OP_SHIFT_RIGHT,
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OP_BIT_AND,
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OP_BIT_OR,
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OP_BIT_XOR,
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OP_BIT_NEGATE,
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//logic
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OP_AND,
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OP_OR,
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OP_XOR,
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OP_NOT,
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//containment
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OP_IN,
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OP_MAX
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};
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static String get_operator_name(Operator p_op);
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static void evaluate(const Operator& p_op,const Variant& p_a, const Variant& p_b,Variant &r_ret,bool &r_valid);
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2014-12-08 18:47:45 +00:00
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static _FORCE_INLINE_ Variant evaluate(const Operator& p_op,const Variant& p_a, const Variant& p_b) {
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2014-02-10 01:10:30 +00:00
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bool valid=true;
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Variant res;
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evaluate(p_op,p_a,p_b,res,valid);
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return res;
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}
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static void interpolate(const Variant& a, const Variant& b, float c,Variant &r_dst);
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struct CallError {
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enum Error {
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CALL_OK,
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CALL_ERROR_INVALID_METHOD,
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CALL_ERROR_INVALID_ARGUMENT,
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CALL_ERROR_TOO_MANY_ARGUMENTS,
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CALL_ERROR_TOO_FEW_ARGUMENTS,
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CALL_ERROR_INSTANCE_IS_NULL,
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};
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Error error;
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int argument;
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Type expected;
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};
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Variant call(const StringName& p_method,const Variant** p_args,int p_argcount,CallError &r_error);
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Variant call(const StringName& p_method,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());
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static Variant construct(const Variant::Type,const Variant** p_args,int p_argcount,CallError &r_error);
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void get_method_list(List<MethodInfo> *p_list) const;
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2014-09-20 00:01:41 +00:00
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bool has_method(const StringName& p_method) const;
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2014-02-10 01:10:30 +00:00
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void set_named(const StringName& p_index, const Variant& p_value, bool *r_valid=NULL);
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Variant get_named(const StringName& p_index, bool *r_valid=NULL) const;
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void set(const Variant& p_index, const Variant& p_value, bool *r_valid=NULL);
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Variant get(const Variant& p_index, bool *r_valid=NULL) const;
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bool in(const Variant& p_index, bool *r_valid=NULL) const;
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bool iter_init(Variant& r_iter,bool &r_valid) const;
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bool iter_next(Variant& r_iter,bool &r_valid) const;
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Variant iter_get(const Variant& r_iter,bool &r_valid) const;
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void get_property_list(List<PropertyInfo> *p_list) const;
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//argsVariant call()
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bool operator==(const Variant& p_variant) const;
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uint32_t hash() const;
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bool booleanize(bool &valid) const;
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void static_assign(const Variant& p_variant);
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static void get_constructor_list(Variant::Type p_type, List<MethodInfo> *p_list);
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static void get_numeric_constants_for_type(Variant::Type p_type, List<StringName> *p_constants);
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static bool has_numeric_constant(Variant::Type p_type, const StringName& p_value);
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static int get_numeric_constant_value(Variant::Type p_type, const StringName& p_value);
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2015-02-15 04:19:46 +00:00
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typedef String (*ObjectDeConstruct)(const Variant& p_object,void *ud);
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typedef void (*ObjectConstruct)(const String& p_text,void *ud,Variant& r_value);
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String get_construct_string(ObjectDeConstruct p_obj_deconstruct=NULL,void *p_deconstruct_ud=NULL) const;
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static void construct_from_string(const String& p_string,Variant& r_value,ObjectConstruct p_obj_construct=NULL,void *p_construct_ud=NULL);
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2014-12-17 01:31:57 +00:00
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2014-02-10 01:10:30 +00:00
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void operator=(const Variant& p_variant); // only this is enough for all the other types
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Variant(const Variant& p_variant);
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_FORCE_INLINE_ Variant() { type=NIL; }
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_FORCE_INLINE_ ~Variant() { if (type!=Variant::NIL) clear(); }
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};
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//typedef Dictionary Dictionary; no
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//typedef Array Array;
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Vector<Variant> varray();
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Vector<Variant> varray(const Variant& p_arg1);
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Vector<Variant> varray(const Variant& p_arg1,const Variant& p_arg2);
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Vector<Variant> varray(const Variant& p_arg1,const Variant& p_arg2,const Variant& p_arg3);
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Vector<Variant> varray(const Variant& p_arg1,const Variant& p_arg2,const Variant& p_arg3,const Variant& p_arg4);
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Vector<Variant> varray(const Variant& p_arg1,const Variant& p_arg2,const Variant& p_arg3,const Variant& p_arg4,const Variant& p_arg5);
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struct VariantHasher {
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static _FORCE_INLINE_ uint32_t hash(const Variant &p_variant) { return p_variant.hash(); }
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};
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Variant::ObjData& Variant::_get_obj() {
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return *reinterpret_cast<ObjData*>(&_data._mem[0]);
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}
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const Variant::ObjData& Variant::_get_obj() const {
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return *reinterpret_cast<const ObjData*>(&_data._mem[0]);
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}
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#endif
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