mirror of
https://github.com/godotengine/godot
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e4213e66b2
Using `misc/scripts/fix_headers.py` on all Godot files. Some missing header guards were added, and the header inclusion order was fixed in the Bullet module.
448 lines
14 KiB
C++
448 lines
14 KiB
C++
/*************************************************************************/
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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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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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 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 "array.h"
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#include "color.h"
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#include "dictionary.h"
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#include "dvector.h"
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#include "face3.h"
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#include "io/ip_address.h"
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#include "math_2d.h"
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#include "matrix3.h"
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#include "node_path.h"
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#include "plane.h"
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#include "quat.h"
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#include "ref_ptr.h"
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#include "rid.h"
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#include "transform.h"
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#include "ustring.h"
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#include "vector3.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 PoolVector<uint8_t> PoolByteArray;
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typedef PoolVector<int> PoolIntArray;
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typedef PoolVector<real_t> PoolRealArray;
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typedef PoolVector<String> PoolStringArray;
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typedef PoolVector<Vector2> PoolVector2Array;
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typedef PoolVector<Vector3> PoolVector3Array;
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typedef PoolVector<Color> PoolColorArray;
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class Variant {
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public:
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// If this changes the table in variant_op must be updated
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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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TRANSFORM2D,
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PLANE,
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QUAT, // 10
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AABB,
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BASIS,
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TRANSFORM,
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// misc types
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COLOR,
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NODE_PATH, // 15
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_RID,
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OBJECT,
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DICTIONARY,
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ARRAY,
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// arrays
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POOL_BYTE_ARRAY, // 20
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POOL_INT_ARRAY,
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POOL_REAL_ARRAY,
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POOL_STRING_ARRAY,
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POOL_VECTOR2_ARRAY,
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POOL_VECTOR3_ARRAY, // 25
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POOL_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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int64_t _int;
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double _real;
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Transform2D *_transform2d;
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::AABB *_aabb;
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Basis *_basis;
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Transform *_transform;
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RefPtr *_resource;
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void *_ptr; //generic pointer
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uint8_t _mem[sizeof(ObjData) > (sizeof(real_t) * 4) ? sizeof(ObjData) : (sizeof(real_t) * 4)];
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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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static bool can_convert_strict(Type p_type_from, Type p_type_to);
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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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bool is_one() 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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operator CharType() const;
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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 Basis() const;
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operator Transform() const;
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operator Transform2D() const;
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operator Color() 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 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 PoolVector<uint8_t>() const;
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operator PoolVector<int>() const;
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operator PoolVector<real_t>() const;
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operator PoolVector<String>() const;
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operator PoolVector<Vector3>() const;
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operator PoolVector<Color>() const;
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operator PoolVector<Plane>() const;
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operator PoolVector<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 PoolVector<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 Basis &p_transform);
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Variant(const Transform2D &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 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 Dictionary &p_dictionary);
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Variant(const Array &p_array);
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Variant(const PoolVector<Plane> &p_array); // helper
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Variant(const PoolVector<uint8_t> &p_raw_array);
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Variant(const PoolVector<int> &p_int_array);
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Variant(const PoolVector<real_t> &p_real_array);
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Variant(const PoolVector<String> &p_string_array);
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Variant(const PoolVector<Vector3> &p_vector3_array);
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Variant(const PoolVector<Color> &p_color_array);
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Variant(const PoolVector<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 PoolVector<Vector2> &p_array); // helper
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Variant(const IP_Address &p_address);
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// If this changes the table in variant_op must be updated
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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_SUBTRACT,
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OP_MULTIPLY,
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OP_DIVIDE,
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OP_NEGATE,
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OP_POSITIVE,
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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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static _FORCE_INLINE_ Variant evaluate(const Operator &p_op, const Variant &p_a, const Variant &p_b) {
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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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void zero();
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static void blend(const Variant &a, const Variant &b, float c, Variant &r_dst);
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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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void call_ptr(const StringName &p_method, const Variant **p_args, int p_argcount, Variant *r_ret, CallError &r_error);
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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 String get_call_error_text(Object *p_base, const StringName &p_method, const Variant **p_argptrs, int p_argcount, const Variant::CallError &ce);
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static Variant construct(const Variant::Type, const Variant **p_args, int p_argcount, CallError &r_error, bool p_strict = true);
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void get_method_list(List<MethodInfo> *p_list) const;
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bool has_method(const StringName &p_method) const;
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static Vector<Variant::Type> get_method_argument_types(Variant::Type p_type, const StringName &p_method);
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static Vector<Variant> get_method_default_arguments(Variant::Type p_type, const StringName &p_method);
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static Variant::Type get_method_return_type(Variant::Type p_type, const StringName &p_method, bool *r_has_return = NULL);
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static Vector<StringName> get_method_argument_names(Variant::Type p_type, const StringName &p_method);
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static bool is_method_const(Variant::Type p_type, const StringName &p_method);
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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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bool operator!=(const Variant &p_variant) const;
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bool operator<(const Variant &p_variant) const;
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uint32_t hash() const;
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bool hash_compare(const Variant &p_variant) const;
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bool booleanize() 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, bool *r_valid = NULL);
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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() 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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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() {
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if (type != Variant::NIL) clear();
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}
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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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struct VariantComparator {
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static _FORCE_INLINE_ bool compare(const Variant &p_lhs, const Variant &p_rhs) { return p_lhs.hash_compare(p_rhs); }
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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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String vformat(const String &p_text, const Variant &p1 = Variant(), const Variant &p2 = Variant(), const Variant &p3 = Variant(), const Variant &p4 = Variant(), const Variant &p5 = Variant());
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#endif
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