6bda2876f1
Quite a while ago I made a commit (131631b) where I did a weird
thing to fix compilation with PTRCALL_ENABLED. And I couldn't
sleep because of this after all these months. So here is the
proper version.
371 lines
19 KiB
C++
371 lines
19 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 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 "math_2d.h"
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#include "typedefs.h"
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#include "variant.h"
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#ifdef PTRCALL_ENABLED
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template <class T>
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struct PtrToArg {
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};
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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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_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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_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_PTRARGR(m_type, m_ret) \
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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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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_ret *)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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_FORCE_INLINE_ static void encode(m_type p_val, void *p_ptr) { \
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*((m_ret *)p_ptr) = p_val; \
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} \
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}
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MAKE_PTRARG(bool);
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MAKE_PTRARGR(uint8_t, int);
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MAKE_PTRARGR(int8_t, int);
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MAKE_PTRARGR(uint16_t, int);
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MAKE_PTRARGR(int16_t, int);
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MAKE_PTRARGR(uint32_t, int);
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MAKE_PTRARGR(int32_t, int);
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MAKE_PTRARGR(int64_t, int);
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MAKE_PTRARGR(uint64_t, int);
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MAKE_PTRARG(float);
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MAKE_PTRARGR(double, float);
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MAKE_PTRARG(String);
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MAKE_PTRARG(Vector2);
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MAKE_PTRARG(Rect2);
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MAKE_PTRARG(Vector3);
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MAKE_PTRARG(Transform2D);
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MAKE_PTRARG(Plane);
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MAKE_PTRARG(Quat);
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MAKE_PTRARG(Rect3);
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MAKE_PTRARG(Basis);
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MAKE_PTRARG(Transform);
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MAKE_PTRARG(Color);
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MAKE_PTRARG(NodePath);
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MAKE_PTRARG(RID);
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MAKE_PTRARG(Dictionary);
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MAKE_PTRARG(Array);
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MAKE_PTRARG(PoolByteArray);
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MAKE_PTRARG(PoolIntArray);
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MAKE_PTRARG(PoolRealArray);
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MAKE_PTRARG(PoolStringArray);
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MAKE_PTRARG(PoolVector2Array);
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MAKE_PTRARG(PoolVector3Array);
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MAKE_PTRARG(PoolColorArray);
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MAKE_PTRARG(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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_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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_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 the special cases used by Variant
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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 PoolVector<m_type> *dvs = reinterpret_cast<const PoolVector<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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PoolVector<m_type>::Read r = dvs->read(); \
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for (int i = 0; i < len; i++) { \
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ret[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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PoolVector<m_type> *dv = reinterpret_cast<PoolVector<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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PoolVector<m_type>::Write w = dv->write(); \
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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 PoolVector<m_type> *dvs = reinterpret_cast<const PoolVector<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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PoolVector<m_type>::Read r = dvs->read(); \
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for (int i = 0; i < len; i++) { \
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ret[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(String);
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MAKE_VECARG(uint8_t);
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MAKE_VECARG(int);
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MAKE_VECARG(float);
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MAKE_VECARG(Vector2);
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MAKE_VECARG(Vector3);
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MAKE_VECARG(Color);
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//for stuff that gets converted to Array vectors
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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[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[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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#define MAKE_DVECARR(m_type) \
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template <> \
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struct PtrToArg<PoolVector<m_type> > { \
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_FORCE_INLINE_ static PoolVector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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PoolVector<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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PoolVector<m_type>::Write w = ret.write(); \
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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(PoolVector<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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PoolVector<m_type>::Read r = p_vec.read(); \
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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 PoolVector<m_type> &> { \
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_FORCE_INLINE_ static PoolVector<m_type> convert(const void *p_ptr) { \
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const Array *arr = reinterpret_cast<const Array *>(p_ptr); \
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PoolVector<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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PoolVector<m_type>::Write w = ret.write(); \
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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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MAKE_DVECARR(Plane);
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//for special case StringName
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#define MAKE_STRINGCONV(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(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(StringName);
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MAKE_STRINGCONV(IP_Address);
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template <>
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struct PtrToArg<PoolVector<Face3> > {
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_FORCE_INLINE_ static PoolVector<Face3> convert(const void *p_ptr) {
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const PoolVector<Vector3> *dvs = reinterpret_cast<const PoolVector<Vector3> *>(p_ptr);
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PoolVector<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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PoolVector<Vector3>::Read r = dvs->read();
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PoolVector<Face3>::Write w = ret.write();
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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(PoolVector<Face3> p_vec, void *p_ptr) {
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PoolVector<Vector3> *arr = reinterpret_cast<PoolVector<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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PoolVector<Face3>::Read r = p_vec.read();
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PoolVector<Vector3>::Write w = arr->write();
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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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template <>
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struct PtrToArg<const PoolVector<Face3> &> {
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_FORCE_INLINE_ static PoolVector<Face3> convert(const void *p_ptr) {
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const PoolVector<Vector3> *dvs = reinterpret_cast<const PoolVector<Vector3> *>(p_ptr);
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PoolVector<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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PoolVector<Vector3>::Read r = dvs->read();
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PoolVector<Face3>::Write w = ret.write();
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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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#endif
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