Repository navigation
Expand file tree
/
Copy pathUEPyUScriptStruct.cpp
More file actions
226 lines (189 loc) · 7.41 KB
/
Copy pathUEPyUScriptStruct.cpp
File metadata and controls
226 lines (189 loc) · 7.41 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
#include "UnrealEnginePythonPrivatePCH.h"
static PyObject *py_ue_uscriptstruct_get_field(ue_PyUScriptStruct *self, PyObject * args) {
char *name;
if (!PyArg_ParseTuple(args, "s:get_field", &name)) {
return NULL;
}
UProperty *u_property = self->u_struct->FindPropertyByName(FName(UTF8_TO_TCHAR(name)));
if (!u_property)
return PyErr_Format(PyExc_Exception, "unable to find property %s", name);
return ue_py_convert_property(u_property, self->data);
}
static PyObject *py_ue_uscriptstruct_set_field(ue_PyUScriptStruct *self, PyObject * args) {
char *name;
PyObject *value;
if (!PyArg_ParseTuple(args, "sO:set_field", &name, &value)) {
return NULL;
}
UProperty *u_property = self->u_struct->FindPropertyByName(FName(UTF8_TO_TCHAR(name)));
if (!u_property)
return PyErr_Format(PyExc_Exception, "unable to find property %s", name);
if (!ue_py_convert_pyobject(value, u_property, self->data)) {
return PyErr_Format(PyExc_Exception, "unable to set property %s", name);
}
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *py_ue_uscriptstruct_fields(ue_PyUScriptStruct *self, PyObject * args) {
PyObject *ret = PyList_New(0);
for (TFieldIterator<UProperty> PropIt(self->u_struct); PropIt; ++PropIt)
{
UProperty* property = *PropIt;
PyObject *property_name = PyUnicode_FromString(TCHAR_TO_UTF8(*property->GetName()));
PyList_Append(ret, property_name);
Py_DECREF(property_name);
}
return ret;
}
static PyObject *py_ue_uscriptstruct_get_struct(ue_PyUScriptStruct *self, PyObject * args) {
ue_PyUObject *ret = ue_get_python_wrapper(self->u_struct);
if (!ret)
return PyErr_Format(PyExc_Exception, "PyUObject is in invalid state");
Py_INCREF(ret);
return (PyObject *)ret;
}
static PyMethodDef ue_PyUScriptStruct_methods[] = {
{ "get_field", (PyCFunction)py_ue_uscriptstruct_get_field, METH_VARARGS, "" },
{ "set_field", (PyCFunction)py_ue_uscriptstruct_set_field, METH_VARARGS, "" },
{ "fields", (PyCFunction)py_ue_uscriptstruct_fields, METH_VARARGS, "" },
{ "get_struct", (PyCFunction)py_ue_uscriptstruct_get_struct, METH_VARARGS, "" },
{ NULL } /* Sentinel */
};
static PyObject *ue_PyUScriptStruct_str(ue_PyUScriptStruct *self)
{
return PyUnicode_FromFormat("<unreal_engine.UScriptStruct {'struct': '%s', 'size': %d}>",
TCHAR_TO_UTF8(*self->u_struct->GetName()), self->u_struct->GetStructureSize());
}
static UProperty *get_field_from_name(UScriptStruct *u_struct, char *name) {
FString attr = UTF8_TO_TCHAR(name);
UProperty *u_property = u_struct->FindPropertyByName(FName(*attr));
if (u_property)
return u_property;
// if the property is not found, attempt to search for name_XXXX
attr += FString("_");
for (TFieldIterator<UProperty> prop(u_struct); prop; ++prop)
{
UProperty *property = *prop;
if (property->GetName().StartsWith(attr)) {
return property;
}
}
return nullptr;
}
UProperty *ue_struct_get_field_from_name(UScriptStruct *u_struct, char *name) {
return get_field_from_name(u_struct, name);
}
static PyObject *ue_PyUScriptStruct_getattro(ue_PyUScriptStruct *self, PyObject *attr_name) {
PyObject *ret = PyObject_GenericGetAttr((PyObject *)self, attr_name);
if (!ret) {
if (PyUnicodeOrString_Check(attr_name)) {
char *attr = PyUnicode_AsUTF8(attr_name);
// first check for property
UProperty *u_property = get_field_from_name(self->u_struct, attr);
if (u_property) {
// swallow previous exception
PyErr_Clear();
return ue_py_convert_property(u_property, self->data);
}
}
}
return ret;
}
static int ue_PyUScriptStruct_setattro(ue_PyUScriptStruct *self, PyObject *attr_name, PyObject *value) {
// first of all check for UProperty
if (PyUnicodeOrString_Check(attr_name)) {
char *attr = PyUnicode_AsUTF8(attr_name);
// first check for property
UProperty *u_property = get_field_from_name(self->u_struct, attr);
if (u_property) {
if (ue_py_convert_pyobject(value, u_property, self->data)) {
return 0;
}
PyErr_SetString(PyExc_ValueError, "invalid value for UProperty");
return -1;
}
}
return PyObject_GenericSetAttr((PyObject *)self, attr_name, value);
}
// destructor
static void ue_PyUScriptStruct_dealloc(ue_PyUScriptStruct *self) {
#if defined(UEPY_MEMORY_DEBUG)
UE_LOG(LogPython, Warning, TEXT("Destroying ue_PyUScriptStruct %p with size %d"), self, self->u_struct->GetStructureSize());
#endif
FMemory::Free(self->data);
Py_TYPE(self)->tp_free((PyObject *)self);
}
static PyTypeObject ue_PyUScriptStructType = {
PyVarObject_HEAD_INIT(NULL, 0)
"unreal_engine.UScriptStruct", /* tp_name */
sizeof(ue_PyUScriptStruct), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)ue_PyUScriptStruct_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
(reprfunc)ue_PyUScriptStruct_str, /* tp_str */
(getattrofunc)ue_PyUScriptStruct_getattro, /* tp_getattro */
(setattrofunc)ue_PyUScriptStruct_setattro, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"Unreal Engine Editor UScriptStruct", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
ue_PyUScriptStruct_methods, /* tp_methods */
0,
0,
};
static int ue_py_uscriptstruct_init(ue_PyUScriptStruct *self, PyObject *args, PyObject *kwargs) {
PyObject *py_struct;
if (!PyArg_ParseTuple(args, "O", &py_struct))
return -1;
if (!ue_is_pyuobject(py_struct)) {
PyErr_SetString(PyExc_Exception, "argument is not a UScriptStruct");
return -1;
}
ue_PyUObject *py_u_obj = (ue_PyUObject *)py_struct;
if (!py_u_obj->ue_object->IsA<UScriptStruct>()) {
PyErr_SetString(PyExc_Exception, "argument is not a UScriptStruct");
return -1;
}
self->u_struct = (UScriptStruct *)py_u_obj->ue_object;
self->data = (uint8*)FMemory::Malloc(self->u_struct->GetStructureSize());
self->u_struct->InitializeStruct(self->data);
#if WITH_EDITOR
self->u_struct->InitializeDefaultValue(self->data);
#endif
return 0;
}
void ue_python_init_uscriptstruct(PyObject *ue_module) {
ue_PyUScriptStructType.tp_new = PyType_GenericNew;
ue_PyUScriptStructType.tp_init = (initproc)ue_py_uscriptstruct_init;
if (PyType_Ready(&ue_PyUScriptStructType) < 0)
return;
Py_INCREF(&ue_PyUScriptStructType);
PyModule_AddObject(ue_module, "UScriptStruct", (PyObject *)&ue_PyUScriptStructType);
}
PyObject *py_ue_new_uscriptstruct(UScriptStruct *u_struct, uint8 *data) {
ue_PyUScriptStruct *ret = (ue_PyUScriptStruct *)PyObject_New(ue_PyUScriptStruct, &ue_PyUScriptStructType);
ret->u_struct = u_struct;
uint8 *struct_data = (uint8*)FMemory::Malloc(u_struct->GetStructureSize());
FMemory::Memcpy(struct_data, data, u_struct->GetStructureSize());
ret->data = struct_data;
return (PyObject *)ret;
}
ue_PyUScriptStruct *py_ue_is_uscriptstruct(PyObject *obj) {
if (!PyObject_IsInstance(obj, (PyObject *)&ue_PyUScriptStructType))
return nullptr;
return (ue_PyUScriptStruct *)obj;
}