455c06ecd4
Implement built-in classes Vector4, Vector4i and Projection. * Two versions of Vector4 (float and integer). * A Projection class, which is a 4x4 matrix specialized in projection types. These types have been requested for a long time, but given they were very corner case they were not added before. Because in Godot 4, reimplementing parts of the rendering engine is now possible, access to these types (heavily used by the rendering code) becomes a necessity. **Q**: Why Projection and not Matrix4? **A**: Godot does not use Matrix2, Matrix3, Matrix4x3, etc. naming convention because, within the engine, these types always have a *purpose*. As such, Godot names them: Transform2D, Transform3D or Basis. In this case, this 4x4 matrix is _always_ used as a _Projection_, hence the naming.
574 lines
18 KiB
C++
574 lines
18 KiB
C++
/*************************************************************************/
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/* variant_construct.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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_CONSTRUCT_H
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#define VARIANT_CONSTRUCT_H
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#include "variant.h"
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#include "core/core_string_names.h"
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#include "core/crypto/crypto_core.h"
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#include "core/debugger/engine_debugger.h"
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#include "core/io/compression.h"
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#include "core/object/class_db.h"
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#include "core/os/os.h"
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#include "core/templates/local_vector.h"
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#include "core/templates/oa_hash_map.h"
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template <class T>
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struct PtrConstruct {};
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#define MAKE_PTRCONSTRUCT(m_type) \
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template <> \
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struct PtrConstruct<m_type> { \
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_FORCE_INLINE_ static void construct(const m_type &p_value, void *p_ptr) { \
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memnew_placement(p_ptr, m_type(p_value)); \
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} \
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};
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MAKE_PTRCONSTRUCT(bool);
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MAKE_PTRCONSTRUCT(int64_t);
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MAKE_PTRCONSTRUCT(double);
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MAKE_PTRCONSTRUCT(String);
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MAKE_PTRCONSTRUCT(Vector2);
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MAKE_PTRCONSTRUCT(Vector2i);
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MAKE_PTRCONSTRUCT(Rect2);
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MAKE_PTRCONSTRUCT(Rect2i);
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MAKE_PTRCONSTRUCT(Vector3);
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MAKE_PTRCONSTRUCT(Vector3i);
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MAKE_PTRCONSTRUCT(Vector4);
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MAKE_PTRCONSTRUCT(Vector4i);
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MAKE_PTRCONSTRUCT(Transform2D);
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MAKE_PTRCONSTRUCT(Plane);
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MAKE_PTRCONSTRUCT(Quaternion);
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MAKE_PTRCONSTRUCT(AABB);
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MAKE_PTRCONSTRUCT(Basis);
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MAKE_PTRCONSTRUCT(Transform3D);
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MAKE_PTRCONSTRUCT(Projection);
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MAKE_PTRCONSTRUCT(Color);
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MAKE_PTRCONSTRUCT(StringName);
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MAKE_PTRCONSTRUCT(NodePath);
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MAKE_PTRCONSTRUCT(RID);
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template <>
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struct PtrConstruct<Object *> {
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_FORCE_INLINE_ static void construct(Object *p_value, void *p_ptr) {
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*((Object **)p_ptr) = p_value;
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}
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};
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MAKE_PTRCONSTRUCT(Callable);
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MAKE_PTRCONSTRUCT(Signal);
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MAKE_PTRCONSTRUCT(Dictionary);
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MAKE_PTRCONSTRUCT(Array);
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MAKE_PTRCONSTRUCT(PackedByteArray);
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MAKE_PTRCONSTRUCT(PackedInt32Array);
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MAKE_PTRCONSTRUCT(PackedInt64Array);
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MAKE_PTRCONSTRUCT(PackedFloat32Array);
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MAKE_PTRCONSTRUCT(PackedFloat64Array);
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MAKE_PTRCONSTRUCT(PackedStringArray);
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MAKE_PTRCONSTRUCT(PackedVector2Array);
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MAKE_PTRCONSTRUCT(PackedVector3Array);
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MAKE_PTRCONSTRUCT(PackedColorArray);
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MAKE_PTRCONSTRUCT(Variant);
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template <class T, class... P>
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class VariantConstructor {
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template <size_t... Is>
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static _FORCE_INLINE_ void construct_helper(T &base, const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) {
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r_error.error = Callable::CallError::CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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base = T(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
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#else
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base = T(VariantCaster<P>::cast(*p_args[Is])...);
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#endif
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}
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template <size_t... Is>
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static _FORCE_INLINE_ void validated_construct_helper(T &base, const Variant **p_args, IndexSequence<Is...>) {
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base = T((*VariantGetInternalPtr<P>::get_ptr(p_args[Is]))...);
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}
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template <size_t... Is>
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static _FORCE_INLINE_ void ptr_construct_helper(void *base, const void **p_args, IndexSequence<Is...>) {
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PtrConstruct<T>::construct(T(PtrToArg<P>::convert(p_args[Is])...), base);
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}
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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r_error.error = Callable::CallError::CALL_OK;
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VariantTypeChanger<T>::change(&r_ret);
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construct_helper(*VariantGetInternalPtr<T>::get_ptr(&r_ret), p_args, r_error, BuildIndexSequence<sizeof...(P)>{});
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<T>::change(r_ret);
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validated_construct_helper(*VariantGetInternalPtr<T>::get_ptr(r_ret), p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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static void ptr_construct(void *base, const void **p_args) {
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ptr_construct_helper(base, p_args, BuildIndexSequence<sizeof...(P)>{});
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}
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static int get_argument_count() {
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return sizeof...(P);
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}
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static Variant::Type get_argument_type(int p_arg) {
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return call_get_argument_type<P...>(p_arg);
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}
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static Variant::Type get_base_type() {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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};
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class VariantConstructorObject {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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VariantInternal::clear(&r_ret);
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if (p_args[0]->get_type() == Variant::NIL) {
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VariantInternal::object_assign_null(&r_ret);
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r_error.error = Callable::CallError::CALL_OK;
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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VariantInternal::object_assign(&r_ret, p_args[0]);
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r_error.error = Callable::CallError::CALL_OK;
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantInternal::clear(r_ret);
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VariantInternal::object_assign(r_ret, p_args[0]);
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Object *>::construct(PtrToArg<Object *>::convert(p_args[0]), base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::OBJECT;
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}
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static Variant::Type get_base_type() {
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return Variant::OBJECT;
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}
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};
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class VariantConstructorNilObject {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::NIL) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::NIL;
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}
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VariantInternal::clear(&r_ret);
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VariantInternal::object_assign_null(&r_ret);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantInternal::clear(r_ret);
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VariantInternal::object_assign_null(r_ret);
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Object *>::construct(nullptr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::NIL;
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}
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static Variant::Type get_base_type() {
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return Variant::OBJECT;
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}
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};
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class VariantConstructorCallableArgs {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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ObjectID object_id;
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StringName method;
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if (p_args[0]->get_type() == Variant::NIL) {
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// leave as is
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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object_id = VariantInternal::get_object_id(p_args[0]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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return;
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}
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if (p_args[1]->get_type() == Variant::STRING_NAME) {
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method = *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]);
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} else if (p_args[1]->get_type() == Variant::STRING) {
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method = *VariantGetInternalPtr<String>::get_ptr(p_args[1]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 1;
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r_error.expected = Variant::STRING_NAME;
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return;
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}
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VariantTypeChanger<Callable>::change(&r_ret);
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*VariantGetInternalPtr<Callable>::get_ptr(&r_ret) = Callable(object_id, method);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<Callable>::change(r_ret);
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*VariantGetInternalPtr<Callable>::get_ptr(r_ret) = Callable(VariantInternal::get_object_id(p_args[0]), *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]));
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Callable>::construct(Callable(PtrToArg<Object *>::convert(p_args[0]), PtrToArg<StringName>::convert(p_args[1])), base);
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}
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static int get_argument_count() {
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return 2;
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}
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static Variant::Type get_argument_type(int p_arg) {
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if (p_arg == 0) {
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return Variant::OBJECT;
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} else {
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return Variant::STRING_NAME;
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}
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}
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static Variant::Type get_base_type() {
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return Variant::CALLABLE;
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}
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};
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class VariantConstructorSignalArgs {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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ObjectID object_id;
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StringName method;
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if (p_args[0]->get_type() == Variant::NIL) {
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// leave as is
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} else if (p_args[0]->get_type() == Variant::OBJECT) {
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object_id = VariantInternal::get_object_id(p_args[0]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::OBJECT;
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return;
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}
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if (p_args[1]->get_type() == Variant::STRING_NAME) {
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method = *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]);
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} else if (p_args[1]->get_type() == Variant::STRING) {
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method = *VariantGetInternalPtr<String>::get_ptr(p_args[1]);
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} else {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 1;
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r_error.expected = Variant::STRING_NAME;
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return;
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}
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VariantTypeChanger<Signal>::change(&r_ret);
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*VariantGetInternalPtr<Signal>::get_ptr(&r_ret) = Signal(object_id, method);
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<Signal>::change(r_ret);
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*VariantGetInternalPtr<Signal>::get_ptr(r_ret) = Signal(VariantInternal::get_object_id(p_args[0]), *VariantGetInternalPtr<StringName>::get_ptr(p_args[1]));
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}
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static void ptr_construct(void *base, const void **p_args) {
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PtrConstruct<Signal>::construct(Signal(PtrToArg<Object *>::convert(p_args[0]), PtrToArg<StringName>::convert(p_args[1])), base);
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}
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static int get_argument_count() {
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return 2;
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}
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static Variant::Type get_argument_type(int p_arg) {
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if (p_arg == 0) {
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return Variant::OBJECT;
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} else {
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return Variant::STRING_NAME;
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}
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}
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static Variant::Type get_base_type() {
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return Variant::SIGNAL;
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}
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};
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template <class T>
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class VariantConstructorToArray {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != GetTypeInfo<T>::VARIANT_TYPE) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = GetTypeInfo<T>::VARIANT_TYPE;
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return;
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}
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r_ret = Array();
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Array &dst_arr = *VariantGetInternalPtr<Array>::get_ptr(&r_ret);
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const T &src_arr = *VariantGetInternalPtr<T>::get_ptr(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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*r_ret = Array();
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Array &dst_arr = *VariantGetInternalPtr<Array>::get_ptr(r_ret);
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const T &src_arr = *VariantGetInternalPtr<T>::get_ptr(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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}
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static void ptr_construct(void *base, const void **p_args) {
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Array dst_arr;
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T src_arr = PtrToArg<T>::convert(p_args[0]);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr[i] = src_arr[i];
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}
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PtrConstruct<Array>::construct(dst_arr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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static Variant::Type get_base_type() {
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return Variant::ARRAY;
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}
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};
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template <class T>
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class VariantConstructorFromArray {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::ARRAY) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::ARRAY;
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return;
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}
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VariantTypeChanger<T>::change(&r_ret);
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const Array &src_arr = *VariantGetInternalPtr<Array>::get_ptr(p_args[0]);
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T &dst_arr = *VariantGetInternalPtr<T>::get_ptr(&r_ret);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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}
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static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
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VariantTypeChanger<T>::change(r_ret);
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const Array &src_arr = *VariantGetInternalPtr<Array>::get_ptr(p_args[0]);
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T &dst_arr = *VariantGetInternalPtr<T>::get_ptr(r_ret);
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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}
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static void ptr_construct(void *base, const void **p_args) {
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Array src_arr = PtrToArg<Array>::convert(p_args[0]);
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T dst_arr;
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int size = src_arr.size();
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dst_arr.resize(size);
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for (int i = 0; i < size; i++) {
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dst_arr.write[i] = src_arr[i];
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}
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PtrConstruct<T>::construct(dst_arr, base);
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}
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static int get_argument_count() {
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return 1;
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}
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static Variant::Type get_argument_type(int p_arg) {
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return Variant::ARRAY;
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}
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static Variant::Type get_base_type() {
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return GetTypeInfo<T>::VARIANT_TYPE;
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}
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};
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class VariantConstructorNil {
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public:
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static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
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if (p_args[0]->get_type() != Variant::NIL) {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument = 0;
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r_error.expected = Variant::NIL;
|
|
return;
|
|
}
|
|
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
VariantInternal::clear(&r_ret);
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
VariantInternal::clear(r_ret);
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
PtrConstruct<Variant>::construct(Variant(), base);
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 1;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::NIL;
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
class VariantConstructNoArgs {
|
|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
VariantTypeChanger<T>::change_and_reset(&r_ret);
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
VariantTypeChanger<T>::change_and_reset(r_ret);
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
PtrConstruct<T>::construct(T(), base);
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return GetTypeInfo<T>::VARIANT_TYPE;
|
|
}
|
|
};
|
|
|
|
class VariantConstructNoArgsNil {
|
|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
VariantInternal::clear(&r_ret);
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
VariantInternal::clear(r_ret);
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
ERR_FAIL_MSG("can't ptrcall nil constructor");
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::NIL;
|
|
}
|
|
};
|
|
|
|
class VariantConstructNoArgsObject {
|
|
public:
|
|
static void construct(Variant &r_ret, const Variant **p_args, Callable::CallError &r_error) {
|
|
r_ret = (Object *)nullptr; // Must construct a TYPE_OBJECT containing nullptr.
|
|
r_error.error = Callable::CallError::CALL_OK;
|
|
}
|
|
|
|
static inline void validated_construct(Variant *r_ret, const Variant **p_args) {
|
|
*r_ret = (Object *)nullptr; // Must construct a TYPE_OBJECT containing nullptr.
|
|
}
|
|
static void ptr_construct(void *base, const void **p_args) {
|
|
PtrConstruct<Object *>::construct(nullptr, base);
|
|
}
|
|
|
|
static int get_argument_count() {
|
|
return 0;
|
|
}
|
|
|
|
static Variant::Type get_argument_type(int p_arg) {
|
|
return Variant::NIL;
|
|
}
|
|
|
|
static Variant::Type get_base_type() {
|
|
return Variant::OBJECT;
|
|
}
|
|
};
|
|
|
|
#endif // VARIANT_CONSTRUCT_H
|