459 lines
25 KiB
C++
459 lines
25 KiB
C++
/*************************************************************************/
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/* method_ptrcall.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 METHOD_PTRCALL_H
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#define METHOD_PTRCALL_H
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#include "core/math/transform_2d.h"
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#include "core/object/object_id.h"
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#include "core/typedefs.h"
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#include "core/variant/variant.h"
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template <class T>
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struct PtrToArg {};
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#define MAKE_PTRARG(m_type) \
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template <> \
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struct PtrToArg<m_type> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return *reinterpret_cast<const m_type *>(p_ptr); \
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} \
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typedef m_type EncodeT; \
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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_type *)p_ptr) = p_val; \
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} \
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}; \
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template <> \
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struct PtrToArg<const m_type &> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return *reinterpret_cast<const m_type *>(p_ptr); \
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} \
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typedef m_type EncodeT; \
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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_type *)p_ptr) = p_val; \
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} \
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}
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#define MAKE_PTRARGCONV(m_type, m_conv) \
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template <> \
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struct PtrToArg<m_type> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return static_cast<m_type>(*reinterpret_cast<const m_conv *>(p_ptr)); \
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} \
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typedef m_conv EncodeT; \
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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_conv *)p_ptr) = static_cast<m_conv>(p_val); \
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} \
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}; \
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template <> \
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struct PtrToArg<const m_type &> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return static_cast<m_type>(*reinterpret_cast<const m_conv *>(p_ptr)); \
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} \
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typedef m_conv EncodeT; \
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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_conv *)p_ptr) = static_cast<m_conv>(p_val); \
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} \
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}
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#define MAKE_PTRARG_BY_REFERENCE(m_type) \
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template <> \
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struct PtrToArg<m_type> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return *reinterpret_cast<const m_type *>(p_ptr); \
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} \
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typedef m_type EncodeT; \
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_FORCE_INLINE_ static void encode(const m_type &p_val, void *p_ptr) { \
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*((m_type *)p_ptr) = p_val; \
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} \
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}; \
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template <> \
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struct PtrToArg<const m_type &> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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return *reinterpret_cast<const m_type *>(p_ptr); \
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} \
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typedef m_type EncodeT; \
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_FORCE_INLINE_ static void encode(const m_type &p_val, void *p_ptr) { \
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*((m_type *)p_ptr) = p_val; \
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} \
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}
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MAKE_PTRARGCONV(bool, uint8_t);
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// Integer types.
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MAKE_PTRARGCONV(uint8_t, int64_t);
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MAKE_PTRARGCONV(int8_t, int64_t);
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MAKE_PTRARGCONV(uint16_t, int64_t);
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MAKE_PTRARGCONV(int16_t, int64_t);
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MAKE_PTRARGCONV(uint32_t, int64_t);
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MAKE_PTRARGCONV(int32_t, int64_t);
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MAKE_PTRARG(int64_t);
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MAKE_PTRARG(uint64_t);
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// Float types
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MAKE_PTRARGCONV(float, double);
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MAKE_PTRARG(double);
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MAKE_PTRARG(String);
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MAKE_PTRARG(Vector2);
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MAKE_PTRARG(Vector2i);
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MAKE_PTRARG(Rect2);
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MAKE_PTRARG(Rect2i);
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MAKE_PTRARG_BY_REFERENCE(Vector3);
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MAKE_PTRARG_BY_REFERENCE(Vector3i);
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MAKE_PTRARG(Transform2D);
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MAKE_PTRARG_BY_REFERENCE(Plane);
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MAKE_PTRARG(Quaternion);
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MAKE_PTRARG_BY_REFERENCE(AABB);
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MAKE_PTRARG_BY_REFERENCE(Basis);
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MAKE_PTRARG_BY_REFERENCE(Transform3D);
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MAKE_PTRARG_BY_REFERENCE(Color);
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MAKE_PTRARG(StringName);
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MAKE_PTRARG(NodePath);
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MAKE_PTRARG(RID);
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// Object doesn't need this.
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MAKE_PTRARG(Callable);
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MAKE_PTRARG(Signal);
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MAKE_PTRARG(Dictionary);
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MAKE_PTRARG(Array);
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MAKE_PTRARG(PackedByteArray);
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MAKE_PTRARG(PackedInt32Array);
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MAKE_PTRARG(PackedInt64Array);
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MAKE_PTRARG(PackedFloat32Array);
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MAKE_PTRARG(PackedFloat64Array);
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MAKE_PTRARG(PackedStringArray);
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MAKE_PTRARG(PackedVector2Array);
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MAKE_PTRARG(PackedVector3Array);
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MAKE_PTRARG(PackedColorArray);
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MAKE_PTRARG_BY_REFERENCE(Variant);
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// This is for Object.
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template <class T>
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struct PtrToArg<T *> {
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_FORCE_INLINE_ static T *convert(const void *p_ptr) {
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return const_cast<T *>(reinterpret_cast<const T *>(p_ptr));
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}
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typedef Object *EncodeT;
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_FORCE_INLINE_ static void encode(T *p_var, void *p_ptr) {
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*((T **)p_ptr) = p_var;
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}
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};
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template <class T>
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struct PtrToArg<const T *> {
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_FORCE_INLINE_ static const T *convert(const void *p_ptr) {
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return reinterpret_cast<const T *>(p_ptr);
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}
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typedef const Object *EncodeT;
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_FORCE_INLINE_ static void encode(T *p_var, void *p_ptr) {
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*((T **)p_ptr) = p_var;
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}
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};
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// This is for ObjectID.
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template <>
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struct PtrToArg<ObjectID> {
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_FORCE_INLINE_ static const ObjectID convert(const void *p_ptr) {
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return ObjectID(*reinterpret_cast<const uint64_t *>(p_ptr));
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}
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typedef uint64_t EncodeT;
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_FORCE_INLINE_ static void encode(const ObjectID &p_val, void *p_ptr) {
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*((uint64_t *)p_ptr) = p_val;
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}
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};
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// This is for the special cases used by Variant.
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// No EncodeT because direct pointer conversion not possible.
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#define MAKE_VECARG(m_type) \
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template <> \
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struct PtrToArg<Vector<m_type>> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Vector<m_type> *dvs = reinterpret_cast<const Vector<m_type> *>(p_ptr); \
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Vector<m_type> ret; \
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int len = dvs->size(); \
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ret.resize(len); \
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{ \
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const m_type *r = dvs->ptr(); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = r[i]; \
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} \
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} \
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return ret; \
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} \
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_FORCE_INLINE_ static void encode(Vector<m_type> p_vec, void *p_ptr) { \
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Vector<m_type> *dv = reinterpret_cast<Vector<m_type> *>(p_ptr); \
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int len = p_vec.size(); \
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dv->resize(len); \
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{ \
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m_type *w = dv->ptrw(); \
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for (int i = 0; i < len; i++) { \
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w[i] = p_vec[i]; \
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} \
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} \
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} \
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}; \
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template <> \
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struct PtrToArg<const Vector<m_type> &> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Vector<m_type> *dvs = reinterpret_cast<const Vector<m_type> *>(p_ptr); \
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Vector<m_type> ret; \
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int len = dvs->size(); \
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ret.resize(len); \
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{ \
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const m_type *r = dvs->ptr(); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = r[i]; \
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} \
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} \
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return ret; \
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} \
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}
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// No EncodeT because direct pointer conversion not possible.
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#define MAKE_VECARG_ALT(m_type, m_type_alt) \
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template <> \
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struct PtrToArg<Vector<m_type_alt>> { \
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_FORCE_INLINE_ static Vector<m_type_alt> convert(const void *p_ptr) { \
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const Vector<m_type> *dvs = reinterpret_cast<const Vector<m_type> *>(p_ptr); \
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Vector<m_type_alt> ret; \
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int len = dvs->size(); \
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ret.resize(len); \
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{ \
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const m_type *r = dvs->ptr(); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = r[i]; \
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} \
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} \
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return ret; \
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} \
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_FORCE_INLINE_ static void encode(Vector<m_type_alt> p_vec, void *p_ptr) { \
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Vector<m_type> *dv = reinterpret_cast<Vector<m_type> *>(p_ptr); \
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int len = p_vec.size(); \
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dv->resize(len); \
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{ \
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m_type *w = dv->ptrw(); \
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for (int i = 0; i < len; i++) { \
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w[i] = p_vec[i]; \
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} \
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} \
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} \
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}; \
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template <> \
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struct PtrToArg<const Vector<m_type_alt> &> { \
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_FORCE_INLINE_ static Vector<m_type_alt> convert(const void *p_ptr) { \
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const Vector<m_type> *dvs = reinterpret_cast<const Vector<m_type> *>(p_ptr); \
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Vector<m_type_alt> ret; \
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int len = dvs->size(); \
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ret.resize(len); \
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{ \
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const m_type *r = dvs->ptr(); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = r[i]; \
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} \
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} \
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return ret; \
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} \
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}
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MAKE_VECARG_ALT(String, StringName);
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// For stuff that gets converted to Array vectors.
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// No EncodeT because direct pointer conversion not possible.
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#define MAKE_VECARR(m_type) \
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template <> \
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struct PtrToArg<Vector<m_type>> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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Vector<m_type> ret; \
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int len = arr->size(); \
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ret.resize(len); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = (*arr)[i]; \
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} \
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return ret; \
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} \
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_FORCE_INLINE_ static void encode(Vector<m_type> p_vec, void *p_ptr) { \
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Array *arr = reinterpret_cast<Array *>(p_ptr); \
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int len = p_vec.size(); \
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arr->resize(len); \
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for (int i = 0; i < len; i++) { \
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(*arr)[i] = p_vec[i]; \
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} \
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} \
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}; \
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template <> \
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struct PtrToArg<const Vector<m_type> &> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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Vector<m_type> ret; \
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int len = arr->size(); \
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ret.resize(len); \
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for (int i = 0; i < len; i++) { \
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ret.write[i] = (*arr)[i]; \
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} \
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return ret; \
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} \
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}
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MAKE_VECARR(Variant);
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MAKE_VECARR(RID);
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MAKE_VECARR(Plane);
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// No EncodeT because direct pointer conversion not possible.
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#define MAKE_DVECARR(m_type) \
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template <> \
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struct PtrToArg<Vector<m_type>> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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Vector<m_type> ret; \
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int len = arr->size(); \
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ret.resize(len); \
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{ \
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m_type *w = ret.ptrw(); \
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for (int i = 0; i < len; i++) { \
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w[i] = (*arr)[i]; \
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} \
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} \
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return ret; \
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} \
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_FORCE_INLINE_ static void encode(Vector<m_type> p_vec, void *p_ptr) { \
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Array *arr = reinterpret_cast<Array *>(p_ptr); \
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int len = p_vec.size(); \
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arr->resize(len); \
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{ \
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const m_type *r = p_vec.ptr(); \
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for (int i = 0; i < len; i++) { \
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(*arr)[i] = r[i]; \
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} \
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} \
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} \
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}; \
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template <> \
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struct PtrToArg<const Vector<m_type> &> { \
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_FORCE_INLINE_ static Vector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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Vector<m_type> ret; \
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int len = arr->size(); \
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ret.resize(len); \
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{ \
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m_type *w = ret.ptrw(); \
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for (int i = 0; i < len; i++) { \
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w[i] = (*arr)[i]; \
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} \
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} \
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return ret; \
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} \
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}
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// Special case for IPAddress.
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// No EncodeT because direct pointer conversion not possible.
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#define MAKE_STRINGCONV_BY_REFERENCE(m_type) \
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template <> \
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struct PtrToArg<m_type> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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m_type s = *reinterpret_cast<const String *>(p_ptr); \
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return s; \
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} \
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_FORCE_INLINE_ static void encode(const m_type &p_vec, void *p_ptr) { \
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String *arr = reinterpret_cast<String *>(p_ptr); \
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*arr = p_vec; \
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} \
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}; \
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\
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template <> \
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struct PtrToArg<const m_type &> { \
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_FORCE_INLINE_ static m_type convert(const void *p_ptr) { \
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m_type s = *reinterpret_cast<const String *>(p_ptr); \
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return s; \
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} \
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}
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MAKE_STRINGCONV_BY_REFERENCE(IPAddress);
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// No EncodeT because direct pointer conversion not possible.
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template <>
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struct PtrToArg<Vector<Face3>> {
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_FORCE_INLINE_ static Vector<Face3> convert(const void *p_ptr) {
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const Vector<Vector3> *dvs = reinterpret_cast<const Vector<Vector3> *>(p_ptr);
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Vector<Face3> ret;
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int len = dvs->size() / 3;
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ret.resize(len);
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{
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const Vector3 *r = dvs->ptr();
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Face3 *w = ret.ptrw();
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for (int i = 0; i < len; i++) {
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w[i].vertex[0] = r[i * 3 + 0];
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w[i].vertex[1] = r[i * 3 + 1];
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w[i].vertex[2] = r[i * 3 + 2];
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}
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}
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return ret;
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}
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_FORCE_INLINE_ static void encode(Vector<Face3> p_vec, void *p_ptr) {
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Vector<Vector3> *arr = reinterpret_cast<Vector<Vector3> *>(p_ptr);
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int len = p_vec.size();
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arr->resize(len * 3);
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{
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const Face3 *r = p_vec.ptr();
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Vector3 *w = arr->ptrw();
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for (int i = 0; i < len; i++) {
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w[i * 3 + 0] = r[i].vertex[0];
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w[i * 3 + 1] = r[i].vertex[1];
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w[i * 3 + 2] = r[i].vertex[2];
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}
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}
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}
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};
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// No EncodeT because direct pointer conversion not possible.
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template <>
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struct PtrToArg<const Vector<Face3> &> {
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_FORCE_INLINE_ static Vector<Face3> convert(const void *p_ptr) {
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const Vector<Vector3> *dvs = reinterpret_cast<const Vector<Vector3> *>(p_ptr);
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Vector<Face3> ret;
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int len = dvs->size() / 3;
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ret.resize(len);
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{
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const Vector3 *r = dvs->ptr();
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Face3 *w = ret.ptrw();
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for (int i = 0; i < len; i++) {
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w[i].vertex[0] = r[i * 3 + 0];
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w[i].vertex[1] = r[i * 3 + 1];
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w[i].vertex[2] = r[i * 3 + 2];
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}
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}
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return ret;
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}
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};
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#endif // METHOD_PTRCALL_H
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