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Add variant_internal.hpp. 

This module contains VariantInternalType, VariantInternal, VariantGetInternalPtr, VariantInternalAccessor and VariantDefaultInitializer, allowing to access and manipulate Variant's internal values.
pull/1655/head
Lukas Tenbrink 2024-11-26 23:35:31 +01:00
parent 5255034fb0
commit daef7d48ea
9 changed files with 575 additions and 0 deletions
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1
include/godot_cpp/godot.hpp
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@ -88,6 +88,7 @@ extern "C" GDExtensionInterfaceVariantCanConvert gdextension_interface_variant_c
extern "C" GDExtensionInterfaceVariantCanConvertStrict gdextension_interface_variant_can_convert_strict;
extern "C" GDExtensionInterfaceGetVariantFromTypeConstructor gdextension_interface_get_variant_from_type_constructor;
extern "C" GDExtensionInterfaceGetVariantToTypeConstructor gdextension_interface_get_variant_to_type_constructor;
extern "C" GDExtensionInterfaceGetVariantGetInternalPtrFunc gdextension_interface_variant_get_ptr_internal_getter;
extern "C" GDExtensionInterfaceVariantGetPtrOperatorEvaluator gdextension_interface_variant_get_ptr_operator_evaluator;
extern "C" GDExtensionInterfaceVariantGetPtrBuiltinMethod gdextension_interface_variant_get_ptr_builtin_method;
extern "C" GDExtensionInterfaceVariantGetPtrConstructor gdextension_interface_variant_get_ptr_constructor;

1
include/godot_cpp/variant/variant.hpp
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@ -49,6 +49,7 @@ class Variant {
friend class GDExtensionBinding;
friend class MethodBind;
friend class VariantInternal;
static void init_bindings();

510
include/godot_cpp/variant/variant_internal.hpp Normal file
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@ -0,0 +1,510 @@
/**************************************************************************/
/* variant_internal.hpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef GODOT_VARIANT_INTERNAL_HPP
#define GODOT_VARIANT_INTERNAL_HPP
#include <gdextension_interface.h>
#include <godot_cpp/classes/gpu_particles3d.hpp>
#include <godot_cpp/variant/variant.hpp>
namespace godot {
// For use when you want to access the internal pointer of a Variant directly.
// Use with caution. You need to be sure that the type is correct.
namespace internal {
template <typename T>
struct VariantInternalType {};
template <>
struct VariantInternalType<bool> {
static constexpr Variant::Type type = Variant::BOOL;
};
template <>
struct VariantInternalType<int64_t> {
static constexpr Variant::Type type = Variant::INT;
};
template <>
struct VariantInternalType<double> {
static constexpr Variant::Type type = Variant::FLOAT;
};
template <>
struct VariantInternalType<String> {
static constexpr Variant::Type type = Variant::STRING;
};
template <>
struct VariantInternalType<Vector2> {
static constexpr Variant::Type type = Variant::VECTOR2;
};
template <>
struct VariantInternalType<Vector2i> {
static constexpr Variant::Type type = Variant::VECTOR2I;
};
template <>
struct VariantInternalType<Rect2> {
static constexpr Variant::Type type = Variant::RECT2;
};
template <>
struct VariantInternalType<Rect2i> {
static constexpr Variant::Type type = Variant::RECT2I;
};
template <>
struct VariantInternalType<Vector3> {
static constexpr Variant::Type type = Variant::VECTOR3;
};
template <>
struct VariantInternalType<Vector3i> {
static constexpr Variant::Type type = Variant::VECTOR3I;
};
template <>
struct VariantInternalType<Transform2D> {
static constexpr Variant::Type type = Variant::TRANSFORM2D;
};
template <>
struct VariantInternalType<Vector4> {
static constexpr Variant::Type type = Variant::VECTOR4;
};
template <>
struct VariantInternalType<Vector4i> {
static constexpr Variant::Type type = Variant::VECTOR4I;
};
template <>
struct VariantInternalType<Plane> {
static constexpr Variant::Type type = Variant::PLANE;
};
template <>
struct VariantInternalType<Quaternion> {
static constexpr Variant::Type type = Variant::QUATERNION;
};
template <>
struct VariantInternalType<AABB> {
static constexpr Variant::Type type = Variant::AABB;
};
template <>
struct VariantInternalType<Basis> {
static constexpr Variant::Type type = Variant::BASIS;
};
template <>
struct VariantInternalType<Transform3D> {
static constexpr Variant::Type type = Variant::TRANSFORM3D;
};
template <>
struct VariantInternalType<Projection> {
static constexpr Variant::Type type = Variant::PROJECTION;
};
template <>
struct VariantInternalType<Color> {
static constexpr Variant::Type type = Variant::COLOR;
};
template <>
struct VariantInternalType<StringName> {
static constexpr Variant::Type type = Variant::STRING_NAME;
};
template <>
struct VariantInternalType<NodePath> {
static constexpr Variant::Type type = Variant::NODE_PATH;
};
template <>
struct VariantInternalType<RID> {
static constexpr Variant::Type type = Variant::RID;
};
template <>
struct VariantInternalType<Object *> {
static constexpr Variant::Type type = Variant::OBJECT;
};
template <>
struct VariantInternalType<Callable> {
static constexpr Variant::Type type = Variant::CALLABLE;
};
template <>
struct VariantInternalType<Signal> {
static constexpr Variant::Type type = Variant::SIGNAL;
};
template <>
struct VariantInternalType<Dictionary> {
static constexpr Variant::Type type = Variant::DICTIONARY;
};
template <>
struct VariantInternalType<Array> {
static constexpr Variant::Type type = Variant::ARRAY;
};
template <>
struct VariantInternalType<PackedByteArray> {
static constexpr Variant::Type type = Variant::PACKED_BYTE_ARRAY;
};
template <>
struct VariantInternalType<PackedInt32Array> {
static constexpr Variant::Type type = Variant::PACKED_INT32_ARRAY;
};
template <>
struct VariantInternalType<PackedInt64Array> {
static constexpr Variant::Type type = Variant::PACKED_INT64_ARRAY;
};
template <>
struct VariantInternalType<PackedFloat32Array> {
static constexpr Variant::Type type = Variant::PACKED_FLOAT32_ARRAY;
};
template <>
struct VariantInternalType<PackedFloat64Array> {
static constexpr Variant::Type type = Variant::PACKED_FLOAT64_ARRAY;
};
template <>
struct VariantInternalType<PackedStringArray> {
static constexpr Variant::Type type = Variant::PACKED_STRING_ARRAY;
};
template <>
struct VariantInternalType<PackedVector2Array> {
static constexpr Variant::Type type = Variant::PACKED_VECTOR2_ARRAY;
};
template <>
struct VariantInternalType<PackedVector3Array> {
static constexpr Variant::Type type = Variant::PACKED_VECTOR3_ARRAY;
};
template <>
struct VariantInternalType<PackedColorArray> {
static constexpr Variant::Type type = Variant::PACKED_COLOR_ARRAY;
};
template <>
struct VariantInternalType<PackedVector4Array> {
static constexpr Variant::Type type = Variant::PACKED_VECTOR4_ARRAY;
};
} //namespace internal
class VariantInternal {
friend class Variant;
static GDExtensionVariantGetInternalPtrFunc get_internal_func[Variant::VARIANT_MAX];
static void init_bindings();
public:
template <typename T>
_FORCE_INLINE_ static T *get_internal_value(Variant *v) {
return static_cast<T *>(get_internal_func[internal::VariantInternalType<T>::type](v));
}
template <typename T>
_FORCE_INLINE_ static const T *get_internal_value(const Variant *v) {
return static_cast<const T *>(get_internal_func[internal::VariantInternalType<T>::type](const_cast<Variant *>(v)));
}
// Atomic types.
_FORCE_INLINE_ static bool *get_bool(Variant *v) { return get_internal_value<bool>(v); }
_FORCE_INLINE_ static const bool *get_bool(const Variant *v) { return get_internal_value<bool>(v); }
_FORCE_INLINE_ static int64_t *get_int(Variant *v) { return get_internal_value<int64_t>(v); }
_FORCE_INLINE_ static const int64_t *get_int(const Variant *v) { return get_internal_value<int64_t>(v); }
_FORCE_INLINE_ static double *get_float(Variant *v) { return get_internal_value<double>(v); }
_FORCE_INLINE_ static const double *get_float(const Variant *v) { return get_internal_value<double>(v); }
_FORCE_INLINE_ static String *get_string(Variant *v) { return get_internal_value<String>(v); }
_FORCE_INLINE_ static const String *get_string(const Variant *v) { return get_internal_value<String>(v); }
// Math types.
_FORCE_INLINE_ static Vector2 *get_vector2(Variant *v) { return get_internal_value<Vector2>(v); }
_FORCE_INLINE_ static const Vector2 *get_vector2(const Variant *v) { return get_internal_value<Vector2>(v); }
_FORCE_INLINE_ static Vector2i *get_vector2i(Variant *v) { return get_internal_value<Vector2i>(v); }
_FORCE_INLINE_ static const Vector2i *get_vector2i(const Variant *v) { return get_internal_value<Vector2i>(v); }
_FORCE_INLINE_ static Rect2 *get_rect2(Variant *v) { return get_internal_value<Rect2>(v); }
_FORCE_INLINE_ static const Rect2 *get_rect2(const Variant *v) { return get_internal_value<Rect2>(v); }
_FORCE_INLINE_ static Rect2i *get_rect2i(Variant *v) { return get_internal_value<Rect2i>(v); }
_FORCE_INLINE_ static const Rect2i *get_rect2i(const Variant *v) { return get_internal_value<Rect2i>(v); }
_FORCE_INLINE_ static Vector3 *get_vector3(Variant *v) { return get_internal_value<Vector3>(v); }
_FORCE_INLINE_ static const Vector3 *get_vector3(const Variant *v) { return get_internal_value<Vector3>(v); }
_FORCE_INLINE_ static Vector3i *get_vector3i(Variant *v) { return get_internal_value<Vector3i>(v); }
_FORCE_INLINE_ static const Vector3i *get_vector3i(const Variant *v) { return get_internal_value<Vector3i>(v); }
_FORCE_INLINE_ static Vector4 *get_vector4(Variant *v) { return get_internal_value<Vector4>(v); }
_FORCE_INLINE_ static const Vector4 *get_vector4(const Variant *v) { return get_internal_value<Vector4>(v); }
_FORCE_INLINE_ static Vector4i *get_vector4i(Variant *v) { return get_internal_value<Vector4i>(v); }
_FORCE_INLINE_ static const Vector4i *get_vector4i(const Variant *v) { return get_internal_value<Vector4i>(v); }
_FORCE_INLINE_ static Transform2D *get_transform2d(Variant *v) { return get_internal_value<Transform2D>(v); }
_FORCE_INLINE_ static const Transform2D *get_transform2d(const Variant *v) { return get_internal_value<Transform2D>(v); }
_FORCE_INLINE_ static Plane *get_plane(Variant *v) { return get_internal_value<Plane>(v); }
_FORCE_INLINE_ static const Plane *get_plane(const Variant *v) { return get_internal_value<Plane>(v); }
_FORCE_INLINE_ static Quaternion *get_quaternion(Variant *v) { return get_internal_value<Quaternion>(v); }
_FORCE_INLINE_ static const Quaternion *get_quaternion(const Variant *v) { return get_internal_value<Quaternion>(v); }
_FORCE_INLINE_ static AABB *get_aabb(Variant *v) { return get_internal_value<AABB>(v); }
_FORCE_INLINE_ static const AABB *get_aabb(const Variant *v) { return get_internal_value<AABB>(v); }
_FORCE_INLINE_ static Basis *get_basis(Variant *v) { return get_internal_value<Basis>(v); }
_FORCE_INLINE_ static const Basis *get_basis(const Variant *v) { return get_internal_value<Basis>(v); }
_FORCE_INLINE_ static Transform3D *get_transform(Variant *v) { return get_internal_value<Transform3D>(v); }
_FORCE_INLINE_ static const Transform3D *get_transform(const Variant *v) { return get_internal_value<Transform3D>(v); }
_FORCE_INLINE_ static Projection *get_projection(Variant *v) { return get_internal_value<Projection>(v); }
_FORCE_INLINE_ static const Projection *get_projection(const Variant *v) { return get_internal_value<Projection>(v); }
// Misc types.
_FORCE_INLINE_ static Color *get_color(Variant *v) { return get_internal_value<Color>(v); }
_FORCE_INLINE_ static const Color *get_color(const Variant *v) { return get_internal_value<Color>(v); }
_FORCE_INLINE_ static StringName *get_string_name(Variant *v) { return get_internal_value<StringName>(v); }
_FORCE_INLINE_ static const StringName *get_string_name(const Variant *v) { return get_internal_value<StringName>(v); }
_FORCE_INLINE_ static NodePath *get_node_path(Variant *v) { return get_internal_value<NodePath>(v); }
_FORCE_INLINE_ static const NodePath *get_node_path(const Variant *v) { return get_internal_value<NodePath>(v); }
_FORCE_INLINE_ static RID *get_rid(Variant *v) { return get_internal_value<RID>(v); }
_FORCE_INLINE_ static const RID *get_rid(const Variant *v) { return get_internal_value<RID>(v); }
_FORCE_INLINE_ static Callable *get_callable(Variant *v) { return get_internal_value<Callable>(v); }
_FORCE_INLINE_ static const Callable *get_callable(const Variant *v) { return get_internal_value<Callable>(v); }
_FORCE_INLINE_ static Signal *get_signal(Variant *v) { return get_internal_value<Signal>(v); }
_FORCE_INLINE_ static const Signal *get_signal(const Variant *v) { return get_internal_value<Signal>(v); }
_FORCE_INLINE_ static Dictionary *get_dictionary(Variant *v) { return get_internal_value<Dictionary>(v); }
_FORCE_INLINE_ static const Dictionary *get_dictionary(const Variant *v) { return get_internal_value<Dictionary>(v); }
_FORCE_INLINE_ static Array *get_array(Variant *v) { return get_internal_value<Array>(v); }
_FORCE_INLINE_ static const Array *get_array(const Variant *v) { return get_internal_value<Array>(v); }
// Typed arrays.
_FORCE_INLINE_ static PackedByteArray *get_byte_array(Variant *v) { return get_internal_value<PackedByteArray>(v); }
_FORCE_INLINE_ static const PackedByteArray *get_byte_array(const Variant *v) { return get_internal_value<PackedByteArray>(v); }
_FORCE_INLINE_ static PackedInt32Array *get_int32_array(Variant *v) { return get_internal_value<PackedInt32Array>(v); }
_FORCE_INLINE_ static const PackedInt32Array *get_int32_array(const Variant *v) { return get_internal_value<PackedInt32Array>(v); }
_FORCE_INLINE_ static PackedInt64Array *get_int64_array(Variant *v) { return get_internal_value<PackedInt64Array>(v); }
_FORCE_INLINE_ static const PackedInt64Array *get_int64_array(const Variant *v) { return get_internal_value<PackedInt64Array>(v); }
_FORCE_INLINE_ static PackedFloat32Array *get_float32_array(Variant *v) { return get_internal_value<PackedFloat32Array>(v); }
_FORCE_INLINE_ static const PackedFloat32Array *get_float32_array(const Variant *v) { return get_internal_value<PackedFloat32Array>(v); }
_FORCE_INLINE_ static PackedFloat64Array *get_float64_array(Variant *v) { return get_internal_value<PackedFloat64Array>(v); }
_FORCE_INLINE_ static const PackedFloat64Array *get_float64_array(const Variant *v) { return get_internal_value<PackedFloat64Array>(v); }
_FORCE_INLINE_ static PackedStringArray *get_string_array(Variant *v) { return get_internal_value<PackedStringArray>(v); }
_FORCE_INLINE_ static const PackedStringArray *get_string_array(const Variant *v) { return get_internal_value<PackedStringArray>(v); }
_FORCE_INLINE_ static PackedVector2Array *get_vector2_array(Variant *v) { return get_internal_value<PackedVector2Array>(v); }
_FORCE_INLINE_ static const PackedVector2Array *get_vector2_array(const Variant *v) { return get_internal_value<PackedVector2Array>(v); }
_FORCE_INLINE_ static PackedVector3Array *get_vector3_array(Variant *v) { return get_internal_value<PackedVector3Array>(v); }
_FORCE_INLINE_ static const PackedVector3Array *get_vector3_array(const Variant *v) { return get_internal_value<PackedVector3Array>(v); }
_FORCE_INLINE_ static PackedColorArray *get_color_array(Variant *v) { return get_internal_value<PackedColorArray>(v); }
_FORCE_INLINE_ static const PackedColorArray *get_color_array(const Variant *v) { return get_internal_value<PackedColorArray>(v); }
_FORCE_INLINE_ static PackedVector4Array *get_vector4_array(Variant *v) { return get_internal_value<PackedVector4Array>(v); }
_FORCE_INLINE_ static const PackedVector4Array *get_vector4_array(const Variant *v) { return get_internal_value<PackedVector4Array>(v); }
_FORCE_INLINE_ static Object **get_object(Variant *v) { return get_internal_value<Object *>(v); }
_FORCE_INLINE_ static const Object **get_object(const Variant *v) { return (const Object **)get_internal_value<Object *>(v); }
_FORCE_INLINE_ static void *get_opaque_pointer(Variant *v) {
switch (v->get_type()) {
case Variant::NIL:
return nullptr;
case Variant::BOOL:
return get_bool(v);
case Variant::INT:
return get_int(v);
case Variant::FLOAT:
return get_float(v);
case Variant::STRING:
return get_string(v);
case Variant::VECTOR2:
return get_vector2(v);
case Variant::VECTOR2I:
return get_vector2i(v);
case Variant::VECTOR3:
return get_vector3(v);
case Variant::VECTOR3I:
return get_vector3i(v);
case Variant::VECTOR4:
return get_vector4(v);
case Variant::VECTOR4I:
return get_vector4i(v);
case Variant::RECT2:
return get_rect2(v);
case Variant::RECT2I:
return get_rect2i(v);
case Variant::TRANSFORM3D:
return get_transform(v);
case Variant::PROJECTION:
return get_projection(v);
case Variant::TRANSFORM2D:
return get_transform2d(v);
case Variant::QUATERNION:
return get_quaternion(v);
case Variant::PLANE:
return get_plane(v);
case Variant::BASIS:
return get_basis(v);
case Variant::AABB:
return get_aabb(v);
case Variant::COLOR:
return get_color(v);
case Variant::STRING_NAME:
return get_string_name(v);
case Variant::NODE_PATH:
return get_node_path(v);
case Variant::RID:
return get_rid(v);
case Variant::CALLABLE:
return get_callable(v);
case Variant::SIGNAL:
return get_signal(v);
case Variant::DICTIONARY:
return get_dictionary(v);
case Variant::ARRAY:
return get_array(v);
case Variant::PACKED_BYTE_ARRAY:
return get_byte_array(v);
case Variant::PACKED_INT32_ARRAY:
return get_int32_array(v);
case Variant::PACKED_INT64_ARRAY:
return get_int64_array(v);
case Variant::PACKED_FLOAT32_ARRAY:
return get_float32_array(v);
case Variant::PACKED_FLOAT64_ARRAY:
return get_float64_array(v);
case Variant::PACKED_STRING_ARRAY:
return get_string_array(v);
case Variant::PACKED_VECTOR2_ARRAY:
return get_vector2_array(v);
case Variant::PACKED_VECTOR3_ARRAY:
return get_vector3_array(v);
case Variant::PACKED_COLOR_ARRAY:
return get_color_array(v);
case Variant::PACKED_VECTOR4_ARRAY:
return get_vector4_array(v);
case Variant::OBJECT:
return get_object(v);
case Variant::VARIANT_MAX:
ERR_FAIL_V(nullptr);
}
ERR_FAIL_V(nullptr);
}
_FORCE_INLINE_ static const void *get_opaque_pointer(const Variant *v) {
switch (v->get_type()) {
case Variant::NIL:
return nullptr;
case Variant::BOOL:
return get_bool(v);
case Variant::INT:
return get_int(v);
case Variant::FLOAT:
return get_float(v);
case Variant::STRING:
return get_string(v);
case Variant::VECTOR2:
return get_vector2(v);
case Variant::VECTOR2I:
return get_vector2i(v);
case Variant::VECTOR3:
return get_vector3(v);
case Variant::VECTOR3I:
return get_vector3i(v);
case Variant::VECTOR4:
return get_vector4(v);
case Variant::VECTOR4I:
return get_vector4i(v);
case Variant::RECT2:
return get_rect2(v);
case Variant::RECT2I:
return get_rect2i(v);
case Variant::TRANSFORM3D:
return get_transform(v);
case Variant::PROJECTION:
return get_projection(v);
case Variant::TRANSFORM2D:
return get_transform2d(v);
case Variant::QUATERNION:
return get_quaternion(v);
case Variant::PLANE:
return get_plane(v);
case Variant::BASIS:
return get_basis(v);
case Variant::AABB:
return get_aabb(v);
case Variant::COLOR:
return get_color(v);
case Variant::STRING_NAME:
return get_string_name(v);
case Variant::NODE_PATH:
return get_node_path(v);
case Variant::RID:
return get_rid(v);
case Variant::CALLABLE:
return get_callable(v);
case Variant::SIGNAL:
return get_signal(v);
case Variant::DICTIONARY:
return get_dictionary(v);
case Variant::ARRAY:
return get_array(v);
case Variant::PACKED_BYTE_ARRAY:
return get_byte_array(v);
case Variant::PACKED_INT32_ARRAY:
return get_int32_array(v);
case Variant::PACKED_INT64_ARRAY:
return get_int64_array(v);
case Variant::PACKED_FLOAT32_ARRAY:
return get_float32_array(v);
case Variant::PACKED_FLOAT64_ARRAY:
return get_float64_array(v);
case Variant::PACKED_STRING_ARRAY:
return get_string_array(v);
case Variant::PACKED_VECTOR2_ARRAY:
return get_vector2_array(v);
case Variant::PACKED_VECTOR3_ARRAY:
return get_vector3_array(v);
case Variant::PACKED_COLOR_ARRAY:
return get_color_array(v);
case Variant::PACKED_VECTOR4_ARRAY:
return get_vector4_array(v);
case Variant::OBJECT:
return get_object(v);
case Variant::VARIANT_MAX:
ERR_FAIL_V(nullptr);
}
ERR_FAIL_V(nullptr);
}
};
template <typename T>
struct VariantGetInternalPtr {
static internal::VariantInternalType<T> *get_ptr(Variant *v) { return VariantInternal::get_internal_value<T>(v); }
static const internal::VariantInternalType<T> *get_ptr(const Variant *v) { return VariantInternal::get_internal_value<T>(v); }
};
template <typename T>
struct can_set_variant_internal_value {
static const bool value = true;
};
template <>
struct can_set_variant_internal_value<Object *> {
static const bool value = false;
};
template <typename T>
struct VariantInternalAccessor {
static _FORCE_INLINE_ const T &get(const Variant *v) { return *VariantInternal::get_internal_value<T>(v); }
// Enable set() only for those types where we can set (all but Object *).
template <typename U = T, typename = std::enable_if_t<can_set_variant_internal_value<U>::value>>
static _FORCE_INLINE_ void set(Variant *v, const internal::VariantInternalType<U> &p_value) {
*VariantInternal::get_internal_value<U>(v) = p_value;
}
};
template <typename T, std::enable_if_t<can_set_variant_internal_value<T>::value>>
struct VariantDefaultInitializer {
static _FORCE_INLINE_ void init(Variant *v) { *VariantInternal::get_internal_value<T>(v) = T(); }
};
} // namespace godot
#endif // GODOT_VARIANT_INTERNAL_HPP

2
src/godot.cpp
View File

@ -94,6 +94,7 @@ GDExtensionInterfaceVariantCanConvert gdextension_interface_variant_can_convert
GDExtensionInterfaceVariantCanConvertStrict gdextension_interface_variant_can_convert_strict = nullptr;
GDExtensionInterfaceGetVariantFromTypeConstructor gdextension_interface_get_variant_from_type_constructor = nullptr;
GDExtensionInterfaceGetVariantToTypeConstructor gdextension_interface_get_variant_to_type_constructor = nullptr;
GDExtensionInterfaceGetVariantGetInternalPtrFunc gdextension_interface_variant_get_ptr_internal_getter = nullptr;
GDExtensionInterfaceVariantGetPtrOperatorEvaluator gdextension_interface_variant_get_ptr_operator_evaluator = nullptr;
GDExtensionInterfaceVariantGetPtrBuiltinMethod gdextension_interface_variant_get_ptr_builtin_method = nullptr;
GDExtensionInterfaceVariantGetPtrConstructor gdextension_interface_variant_get_ptr_constructor = nullptr;
@ -375,6 +376,7 @@ GDExtensionBool GDExtensionBinding::init(GDExtensionInterfaceGetProcAddress p_ge
LOAD_PROC_ADDRESS(variant_can_convert_strict, GDExtensionInterfaceVariantCanConvertStrict);
LOAD_PROC_ADDRESS(get_variant_from_type_constructor, GDExtensionInterfaceGetVariantFromTypeConstructor);
LOAD_PROC_ADDRESS(get_variant_to_type_constructor, GDExtensionInterfaceGetVariantToTypeConstructor);
LOAD_PROC_ADDRESS(variant_get_ptr_internal_getter, GDExtensionInterfaceGetVariantGetInternalPtrFunc);
LOAD_PROC_ADDRESS(variant_get_ptr_operator_evaluator, GDExtensionInterfaceVariantGetPtrOperatorEvaluator);
LOAD_PROC_ADDRESS(variant_get_ptr_builtin_method, GDExtensionInterfaceVariantGetPtrBuiltinMethod);
LOAD_PROC_ADDRESS(variant_get_ptr_constructor, GDExtensionInterfaceVariantGetPtrConstructor);

2
src/variant/variant.cpp
View File

@ -35,6 +35,7 @@
#include <godot_cpp/core/binder_common.hpp>
#include <godot_cpp/core/class_db.hpp>
#include <godot_cpp/core/defs.hpp>
#include <godot_cpp/variant/variant_internal.hpp>
#include <utility>
@ -49,6 +50,7 @@ void Variant::init_bindings() {
from_type_constructor[i] = internal::gdextension_interface_get_variant_from_type_constructor((GDExtensionVariantType)i);
to_type_constructor[i] = internal::gdextension_interface_get_variant_to_type_constructor((GDExtensionVariantType)i);
}
VariantInternal::init_bindings();
StringName::init_bindings();
String::init_bindings();

43
src/variant/variant_internal.cpp Normal file
View File

@ -0,0 +1,43 @@
/**************************************************************************/
/* variant_internal.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include <godot_cpp/variant/variant_internal.hpp>
namespace godot {
GDExtensionVariantGetInternalPtrFunc VariantInternal::get_internal_func[Variant::VARIANT_MAX]{};
void VariantInternal::init_bindings() {
for (int i = 1; i < Variant::VARIANT_MAX; i++) {
get_internal_func[i] = internal::gdextension_interface_variant_get_ptr_internal_getter((GDExtensionVariantType)i);
}
}
} // namespace godot

3
test/project/main.gd
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@ -271,6 +271,9 @@ func _ready():
# Test that we can access an engine singleton.
assert_equal(example.test_use_engine_singleton(), OS.get_name())
assert_equal(example.test_get_internal(1), 1)
assert_equal(example.test_get_internal(true), -1)
# Test that notifications happen on both parent and child classes.
var example_child = $ExampleChild
assert_equal(example_child.get_value1(), 11)

10
test/src/example.cpp
View File

@ -243,6 +243,8 @@ void Example::_bind_methods() {
ClassDB::bind_method(D_METHOD("callable_bind"), &Example::callable_bind);
ClassDB::bind_method(D_METHOD("test_post_initialize"), &Example::test_post_initialize);
ClassDB::bind_method(D_METHOD("test_get_internal", "a"), &Example::test_get_internal);
GDVIRTUAL_BIND(_do_something_virtual, "name", "value");
ClassDB::bind_method(D_METHOD("test_virtual_implemented_in_script"), &Example::test_virtual_implemented_in_script);
GDVIRTUAL_BIND(_do_something_virtual_with_control, "control");
@ -741,6 +743,14 @@ String Example::test_library_path() {
return library_path;
}
int64_t Example::test_get_internal(const Variant &p_input) const {
if (p_input.get_type() != Variant::INT) {
return -1;
}
return *VariantInternal::get_int(&p_input);
}
void ExampleRuntime::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_prop_value", "value"), &ExampleRuntime::set_prop_value);
ClassDB::bind_method(D_METHOD("get_prop_value"), &ExampleRuntime::get_prop_value);

3
test/src/example.h
View File

@ -22,6 +22,7 @@
#include <godot_cpp/classes/tile_set.hpp>
#include <godot_cpp/classes/viewport.hpp>
#include <godot_cpp/variant/variant.hpp>
#include <godot_cpp/variant/variant_internal.hpp>
#include <godot_cpp/core/binder_common.hpp>
#include <godot_cpp/core/gdvirtual.gen.inc>
@ -185,6 +186,8 @@ public:
bool test_post_initialize() const;
int64_t test_get_internal(const Variant &p_input) const;
// Static method.
static int test_static(int p_a, int p_b);
static void test_static2();