godot/core/method_ptrcall.h
2017-03-05 16:20:20 +01:00

384 lines
10 KiB
C++

/*************************************************************************/
/* method_ptrcall.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef METHOD_PTRCALL_H
#define METHOD_PTRCALL_H
#include "typedefs.h"
#include "math_2d.h"
#include "variant.h"
#ifdef PTRCALL_ENABLED
template<class T>
struct PtrToArg {
};
#define MAKE_PTRARG(m_type) \
template<>\
struct PtrToArg<m_type> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
return *reinterpret_cast<const m_type*>(p_ptr);\
}\
_FORCE_INLINE_ static void encode(m_type p_val, void* p_ptr) {\
*((m_type*)p_ptr)=p_val;\
}\
};\
template<>\
struct PtrToArg<const m_type&> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
return *reinterpret_cast<const m_type*>(p_ptr);\
}\
_FORCE_INLINE_ static void encode(m_type p_val, void* p_ptr) {\
*((m_type*)p_ptr)=p_val;\
}\
}
#define MAKE_PTRARGR(m_type,m_ret) \
template<>\
struct PtrToArg<m_type> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
return *reinterpret_cast<const m_type*>(p_ptr);\
}\
_FORCE_INLINE_ static void encode(m_type p_val, void* p_ptr) {\
*((m_ret*)p_ptr)=p_val;\
}\
};\
template<>\
struct PtrToArg<const m_type&> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
return *reinterpret_cast<const m_type*>(p_ptr);\
}\
_FORCE_INLINE_ static void encode(m_type p_val, void* p_ptr) {\
*((m_ret*)p_ptr)=p_val;\
}\
}
MAKE_PTRARG(bool);
MAKE_PTRARGR(uint8_t,int);
MAKE_PTRARGR(int8_t,int);
MAKE_PTRARGR(uint16_t,int);
MAKE_PTRARGR(int16_t,int);
MAKE_PTRARGR(uint32_t,int);
MAKE_PTRARGR(int32_t,int);
MAKE_PTRARGR(int64_t,int);
MAKE_PTRARGR(uint64_t,int);
MAKE_PTRARG(float);
MAKE_PTRARGR(double,float);
MAKE_PTRARG(String);
MAKE_PTRARG(Vector2);
MAKE_PTRARG(Rect2);
MAKE_PTRARG(Vector3);
MAKE_PTRARG(Transform2D);
MAKE_PTRARG(Plane);
MAKE_PTRARG(Quat);
MAKE_PTRARG(Rect3);
MAKE_PTRARG(Basis);
MAKE_PTRARG(Transform);
MAKE_PTRARG(Color);
MAKE_PTRARG(Image);
MAKE_PTRARG(NodePath);
MAKE_PTRARG(RID);
MAKE_PTRARG(InputEvent);
MAKE_PTRARG(Dictionary);
MAKE_PTRARG(Array);
MAKE_PTRARG(PoolByteArray);
MAKE_PTRARG(PoolIntArray);
MAKE_PTRARG(PoolRealArray);
MAKE_PTRARG(PoolStringArray);
MAKE_PTRARG(PoolVector2Array);
MAKE_PTRARG(PoolVector3Array);
MAKE_PTRARG(PoolColorArray);
MAKE_PTRARG(Variant);
MAKE_PTRARG(PowerState);
//this is for Object
template<class T>
struct PtrToArg< T* > {
_FORCE_INLINE_ static T* convert(const void* p_ptr) {
return const_cast<T*>(reinterpret_cast<const T*>(p_ptr));
}
_FORCE_INLINE_ static void encode(T* p_var, void* p_ptr) {
*((T**)p_ptr)=p_var;
}
};
template<class T>
struct PtrToArg< const T* > {
_FORCE_INLINE_ static const T* convert(const void* p_ptr) {
return reinterpret_cast<const T*>(p_ptr);
}
_FORCE_INLINE_ static void encode(T* p_var, void* p_ptr) {
*((T**)p_ptr)=p_var;
}
};
//this is for the special cases used by Variant
#define MAKE_VECARG(m_type) \
template<>\
struct PtrToArg<Vector<m_type> > {\
_FORCE_INLINE_ static Vector<m_type> convert(const void* p_ptr) {\
const PoolVector<m_type> *dvs = reinterpret_cast<const PoolVector<m_type> *>(p_ptr);\
Vector<m_type> ret;\
int len = dvs->size();\
ret.resize(len);\
{\
PoolVector<m_type>::Read r=dvs->read();\
for(int i=0;i<len;i++) {\
ret[i]=r[i];\
}\
} \
return ret;\
}\
_FORCE_INLINE_ static void encode(Vector<m_type> p_vec, void* p_ptr) {\
PoolVector<m_type> *dv = reinterpret_cast<PoolVector<m_type> *>(p_ptr);\
int len=p_vec.size();\
dv->resize(len);\
{\
PoolVector<m_type>::Write w=dv->write();\
for(int i=0;i<len;i++) {\
w[i]=p_vec[i];\
}\
} \
}\
};\
template<>\
struct PtrToArg<const Vector<m_type>& > {\
_FORCE_INLINE_ static Vector<m_type> convert(const void* p_ptr) {\
const PoolVector<m_type> *dvs = reinterpret_cast<const PoolVector<m_type> *>(p_ptr);\
Vector<m_type> ret;\
int len = dvs->size();\
ret.resize(len);\
{\
PoolVector<m_type>::Read r=dvs->read();\
for(int i=0;i<len;i++) {\
ret[i]=r[i];\
}\
} \
return ret;\
}\
}
MAKE_VECARG(String);
MAKE_VECARG(uint8_t);
MAKE_VECARG(int);
MAKE_VECARG(float);
MAKE_VECARG(Vector2);
MAKE_VECARG(Vector3);
MAKE_VECARG(Color);
//for stuff that gets converted to Array vectors
#define MAKE_VECARR(m_type) \
template<>\
struct PtrToArg<Vector<m_type> > {\
_FORCE_INLINE_ static Vector<m_type> convert(const void* p_ptr) {\
const Array *arr = reinterpret_cast<const Array *>(p_ptr);\
Vector<m_type> ret;\
int len = arr->size();\
ret.resize(len);\
for(int i=0;i<len;i++) {\
ret[i]=(*arr)[i];\
}\
return ret;\
}\
_FORCE_INLINE_ static void encode(Vector<m_type> p_vec, void* p_ptr) {\
Array *arr = reinterpret_cast<Array *>(p_ptr);\
int len = p_vec.size();\
arr->resize(len);\
for(int i=0;i<len;i++) {\
(*arr)[i]=p_vec[i];\
}\
} \
};\
template<>\
struct PtrToArg<const Vector<m_type>& > {\
_FORCE_INLINE_ static Vector<m_type> convert(const void* p_ptr) {\
const Array *arr = reinterpret_cast<const Array *>(p_ptr);\
Vector<m_type> ret;\
int len = arr->size();\
ret.resize(len);\
for(int i=0;i<len;i++) {\
ret[i]=(*arr)[i];\
}\
return ret;\
}\
}
MAKE_VECARR(Variant);
MAKE_VECARR(RID);
MAKE_VECARR(Plane);
#define MAKE_DVECARR(m_type) \
template<>\
struct PtrToArg<PoolVector<m_type> > {\
_FORCE_INLINE_ static PoolVector<m_type> convert(const void* p_ptr) {\
const Array *arr = reinterpret_cast<const Array *>(p_ptr);\
PoolVector<m_type> ret;\
int len = arr->size();\
ret.resize(len);\
{\
PoolVector<m_type>::Write w=ret.write();\
for(int i=0;i<len;i++) {\
w[i]=(*arr)[i];\
}\
}\
return ret;\
}\
_FORCE_INLINE_ static void encode(PoolVector<m_type> p_vec, void* p_ptr) {\
Array *arr = reinterpret_cast<Array *>(p_ptr);\
int len = p_vec.size();\
arr->resize(len);\
{\
PoolVector<m_type>::Read r=p_vec.read();\
for(int i=0;i<len;i++) {\
(*arr)[i]=r[i];\
}\
}\
} \
};\
template<>\
struct PtrToArg<const PoolVector<m_type>& > {\
_FORCE_INLINE_ static PoolVector<m_type> convert(const void* p_ptr) {\
const Array *arr = reinterpret_cast<const Array *>(p_ptr);\
PoolVector<m_type> ret;\
int len = arr->size();\
ret.resize(len);\
{\
PoolVector<m_type>::Write w=ret.write();\
for(int i=0;i<len;i++) {\
w[i]=(*arr)[i];\
}\
}\
return ret;\
}\
}
MAKE_DVECARR(Plane);
//for special case StringName
#define MAKE_STRINGCONV(m_type) \
template<>\
struct PtrToArg<m_type> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
m_type s = *reinterpret_cast<const String*>(p_ptr);\
return s;\
}\
_FORCE_INLINE_ static void encode(m_type p_vec, void* p_ptr) {\
String *arr = reinterpret_cast<String *>(p_ptr);\
*arr=p_vec;\
}\
};\
\
template<>\
struct PtrToArg<const m_type&> {\
_FORCE_INLINE_ static m_type convert(const void* p_ptr) {\
m_type s = *reinterpret_cast<const String*>(p_ptr);\
return s;\
}\
}
MAKE_STRINGCONV(StringName);
MAKE_STRINGCONV(IP_Address);
template<>
struct PtrToArg<PoolVector<Face3> > {
_FORCE_INLINE_ static PoolVector<Face3> convert(const void* p_ptr) {
const PoolVector<Vector3> *dvs = reinterpret_cast<const PoolVector<Vector3> *>(p_ptr);
PoolVector<Face3> ret;
int len = dvs->size()/3;
ret.resize(len);
{
PoolVector<Vector3>::Read r=dvs->read();
PoolVector<Face3>::Write w=ret.write();
for(int i=0;i<len;i++) {
w[i].vertex[0]=r[i*3+0];
w[i].vertex[1]=r[i*3+1];
w[i].vertex[2]=r[i*3+2];
}
}
return ret;
}
_FORCE_INLINE_ static void encode(PoolVector<Face3> p_vec, void* p_ptr) {\
PoolVector<Vector3> *arr = reinterpret_cast<PoolVector<Vector3> *>(p_ptr);\
int len = p_vec.size();\
arr->resize(len*3);\
{\
PoolVector<Face3>::Read r=p_vec.read();\
PoolVector<Vector3>::Write w=arr->write();\
for(int i=0;i<len;i++) {\
w[i*3+0]=r[i].vertex[0];\
w[i*3+1]=r[i].vertex[1];\
w[i*3+2]=r[i].vertex[2];\
}\
}\
} \
};
template<>
struct PtrToArg<const PoolVector<Face3>& > {
_FORCE_INLINE_ static PoolVector<Face3> convert(const void* p_ptr) {
const PoolVector<Vector3> *dvs = reinterpret_cast<const PoolVector<Vector3> *>(p_ptr);
PoolVector<Face3> ret;
int len = dvs->size()/3;
ret.resize(len);
{
PoolVector<Vector3>::Read r=dvs->read();
PoolVector<Face3>::Write w=ret.write();
for(int i=0;i<len;i++) {
w[i].vertex[0]=r[i*3+0];
w[i].vertex[1]=r[i*3+1];
w[i].vertex[2]=r[i*3+2];
}
}
return ret;
}
};
#endif // METHOD_PTRCALL_H
#endif