/**
* \param self A PyObjectPlus_Proxy
*/
void PyObjectPlus::py_base_dealloc(PyObject *self) // python wrapper
{
#ifdef USE_WEAKREFS
if (BGE_PROXY_WKREF(self) != NULL)
PyObject_ClearWeakRefs((PyObject *) self);
#endif
if (BGE_PROXY_PYREF(self)) {
PyObjectPlus *self_plus= BGE_PROXY_REF(self);
if (self_plus) {
if (BGE_PROXY_PYOWNS(self)) { /* Does python own this?, then delete it */
self_plus->m_proxy = NULL; /* Need this to stop ~PyObjectPlus from decrefing m_proxy otherwise its decref'd twice and py-debug crashes */
delete self_plus;
}
BGE_PROXY_REF(self)= NULL; // not really needed
}
// the generic pointer is not deleted directly, only through self_plus
BGE_PROXY_PTR(self)= NULL; // not really needed
} else {
void *ptr= BGE_PROXY_PTR(self);
if (ptr) {
if (BGE_PROXY_PYOWNS(self)) { /* Does python own this?, then delete it */
// generic structure owned by python MUST be created though MEM_alloc
MEM_freeN(ptr);
}
BGE_PROXY_PTR(self)= NULL; // not really needed
}
}
#if 0
/* is ok normally but not for subtyping, use tp_free instead. */
PyObject_DEL( self );
#else
Py_TYPE(self)->tp_free(self);
#endif
};
PyObject *PyObjectPlus::GetProxyPlus_Ext(PyObjectPlus *self, PyTypeObject *tp, void *ptr)
{
if (self->m_proxy==NULL)
{
self->m_proxy = reinterpret_cast<PyObject *>PyObject_NEW( PyObjectPlus_Proxy, tp);
BGE_PROXY_PYOWNS(self->m_proxy) = false;
BGE_PROXY_PYREF(self->m_proxy) = true;
}
/* note, this is called as a python 'getset, where the PyAttributeDef is the closure */
PyObject *PyObjectPlus::py_get_attrdef(PyObject *self_py, const PyAttributeDef *attrdef)
{
PyObjectPlus *ref= (BGE_PROXY_REF(self_py));
char* ptr = (attrdef->m_usePtr) ? (char*)BGE_PROXY_PTR(self_py) : (char*)ref;
if (ptr == NULL || (BGE_PROXY_PYREF(self_py) && (ref==NULL || !ref->py_is_valid()))) {
if (attrdef == BGE_PY_ATTR_INVALID)
Py_RETURN_TRUE; // don't bother running the function
PyErr_SetString(PyExc_SystemError, BGE_PROXY_ERROR_MSG);
return NULL;
}
if (attrdef->m_type == KX_PYATTRIBUTE_TYPE_DUMMY)
{
// fake attribute, ignore
return NULL;
}
if (attrdef->m_type == KX_PYATTRIBUTE_TYPE_FUNCTION)
{
// the attribute has no field correspondence, handover processing to function.
if (attrdef->m_getFunction == NULL)
return NULL;
return (*attrdef->m_getFunction)(ptr, attrdef);
}
ptr += attrdef->m_offset;
if (attrdef->m_length > 1)
{
PyObject *resultlist = PyList_New(attrdef->m_length);
for (unsigned int i=0; i<attrdef->m_length; i++)
{
switch (attrdef->m_type) {
case KX_PYATTRIBUTE_TYPE_BOOL:
{
bool *val = reinterpret_cast<bool*>(ptr);
ptr += sizeof(bool);
PyList_SET_ITEM(resultlist, i, PyBool_FromLong(*val));
break;
}
case KX_PYATTRIBUTE_TYPE_SHORT:
{
short int *val = reinterpret_cast<short int*>(ptr);
ptr += sizeof(short int);
PyList_SET_ITEM(resultlist, i, PyLong_FromLong(*val));
break;
}
case KX_PYATTRIBUTE_TYPE_ENUM:
// enum are like int, just make sure the field size is the same
if (sizeof(int) != attrdef->m_size)
{
Py_DECREF(resultlist);
return NULL;
}
// walkthrough
case KX_PYATTRIBUTE_TYPE_INT:
{
int *val = reinterpret_cast<int*>(ptr);
ptr += sizeof(int);
PyList_SET_ITEM(resultlist, i, PyLong_FromLong(*val));
break;
}
case KX_PYATTRIBUTE_TYPE_FLOAT:
{
float *val = reinterpret_cast<float*>(ptr);
ptr += sizeof(float);
PyList_SET_ITEM(resultlist, i, PyFloat_FromDouble(*val));
break;
}
default:
// no support for array of complex data
Py_DECREF(resultlist);
return NULL;
}
}
return resultlist;
}
else
{
switch (attrdef->m_type) {
case KX_PYATTRIBUTE_TYPE_FLAG:
{
bool bval;
switch (attrdef->m_size) {
case 1:
{
unsigned char *val = reinterpret_cast<unsigned char*>(ptr);
bval = (*val & attrdef->m_imin);
break;
}
case 2:
{
unsigned short *val = reinterpret_cast<unsigned short*>(ptr);
bval = (*val & attrdef->m_imin);
break;
}
case 4:
{
unsigned int *val = reinterpret_cast<unsigned int*>(ptr);
bval = (*val & attrdef->m_imin);
break;
}
default:
return NULL;
}
if (attrdef->m_imax)
bval = !bval;
return PyBool_FromLong(bval);
}
case KX_PYATTRIBUTE_TYPE_BOOL:
{
bool *val = reinterpret_cast<bool*>(ptr);
return PyBool_FromLong(*val);
}
case KX_PYATTRIBUTE_TYPE_SHORT:
{
short int *val = reinterpret_cast<short int*>(ptr);
return PyLong_FromLong(*val);
}
case KX_PYATTRIBUTE_TYPE_ENUM:
// enum are like int, just make sure the field size is the same
if (sizeof(int) != attrdef->m_size)
{
return NULL;
}
// walkthrough
case KX_PYATTRIBUTE_TYPE_INT:
{
int *val = reinterpret_cast<int*>(ptr);
return PyLong_FromLong(*val);
}
case KX_PYATTRIBUTE_TYPE_FLOAT:
{
float *val = reinterpret_cast<float*>(ptr);
if (attrdef->m_imin == 0) {
if (attrdef->m_imax == 0) {
return PyFloat_FromDouble(*val);
} else {
// vector, verify size
if (attrdef->m_size != attrdef->m_imax*sizeof(float))
{
return NULL;
}
#ifdef USE_MATHUTILS
return Vector_CreatePyObject(val, attrdef->m_imax, NULL);
#else
PyObject *resultlist = PyList_New(attrdef->m_imax);
for (unsigned int i=0; i<attrdef->m_imax; i++)
{
PyList_SET_ITEM(resultlist, i, PyFloat_FromDouble(val[i]));
}
return resultlist;
#endif
}
} else {
// matrix case
if (attrdef->m_size != attrdef->m_imax*attrdef->m_imin*sizeof(float))
{
return NULL;
}
#ifdef USE_MATHUTILS
return Matrix_CreatePyObject_wrap(val, attrdef->m_imin, attrdef->m_imax, NULL);
#else
PyObject *collist = PyList_New(attrdef->m_imin);
for (unsigned int i=0; i<attrdef->m_imin; i++)
{
PyObject *col = PyList_New(attrdef->m_imax);
for (unsigned int j=0; j<attrdef->m_imax; j++)
{
PyList_SET_ITEM(col, j, PyFloat_FromDouble(val[j]));
}
PyList_SET_ITEM(collist, i, col);
val += attrdef->m_imax;
}
return collist;
#endif
}
}
case KX_PYATTRIBUTE_TYPE_VECTOR:
{
MT_Vector3 *val = reinterpret_cast<MT_Vector3*>(ptr);
#ifdef USE_MATHUTILS
float fval[3];
val->getValue(fval);
return Vector_CreatePyObject(fval, 3, NULL);
#else
PyObject *resultlist = PyList_New(3);
for (unsigned int i=0; i<3; i++)
{
PyList_SET_ITEM(resultlist, i, PyFloat_FromDouble((*val)[i]));
}
return resultlist;
#endif
}
case KX_PYATTRIBUTE_TYPE_STRING:
{
STR_String *val = reinterpret_cast<STR_String*>(ptr);
return PyUnicode_From_STR_String(*val);
}
case KX_PYATTRIBUTE_TYPE_CHAR:
{
return PyUnicode_FromString(ptr);
}
default:
return NULL;
}
}
}
