[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [18203] trunk/blender/source/gameengine: BGE API cleanup: introduction of a generic framework to link Python attributes to logic brick class member .
Benoit Bolsee
benoit.bolsee at online.be
Wed Dec 31 21:35:23 CET 2008
Revision: 18203
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=18203
Author: ben2610
Date: 2008-12-31 21:35:20 +0100 (Wed, 31 Dec 2008)
Log Message:
-----------
BGE API cleanup: introduction of a generic framework to link Python attributes to logic brick class member. See KX_PYATTRIBUTE macros in PyObjectPlus.h.
Modified Paths:
--------------
trunk/blender/source/gameengine/Expressions/PyObjectPlus.cpp
trunk/blender/source/gameengine/Expressions/PyObjectPlus.h
trunk/blender/source/gameengine/GameLogic/SCA_JoystickSensor.cpp
trunk/blender/source/gameengine/GameLogic/SCA_JoystickSensor.h
trunk/blender/source/gameengine/GameLogic/SCA_KeyboardSensor.cpp
trunk/blender/source/gameengine/GameLogic/SCA_MouseSensor.cpp
trunk/blender/source/gameengine/GameLogic/SCA_MouseSensor.h
Modified: trunk/blender/source/gameengine/Expressions/PyObjectPlus.cpp
===================================================================
--- trunk/blender/source/gameengine/Expressions/PyObjectPlus.cpp 2008-12-31 18:52:15 UTC (rev 18202)
+++ trunk/blender/source/gameengine/Expressions/PyObjectPlus.cpp 2008-12-31 20:35:20 UTC (rev 18203)
@@ -131,6 +131,449 @@
return 1;
}
+PyObject *PyObjectPlus::_getattr_self(const PyAttributeDef attrlist[], void *self, const STR_String &attr)
+{
+ const PyAttributeDef *attrdef;
+ for (attrdef=attrlist; attrdef->m_name != NULL; attrdef++)
+ {
+ if (attr == attrdef->m_name)
+ {
+ if (attrdef->m_type == KX_PYATTRIBUTE_TYPE_DUMMY)
+ {
+ // fake attribute, ignore
+ return NULL;
+ }
+ char *ptr = reinterpret_cast<char*>(self)+attrdef->m_offset;
+ if (attrdef->m_length > 1)
+ {
+ PyObject* resultlist = PyList_New(attrdef->m_length);
+ for (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_SetItem(resultlist,i,PyInt_FromLong(*val));
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ {
+ short int *val = reinterpret_cast<short int*>(ptr);
+ ptr += sizeof(short int);
+ PyList_SetItem(resultlist,i,PyInt_FromLong(*val));
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_INT:
+ {
+ int *val = reinterpret_cast<int*>(ptr);
+ ptr += sizeof(int);
+ PyList_SetItem(resultlist,i,PyInt_FromLong(*val));
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ {
+ float *val = reinterpret_cast<float*>(ptr);
+ ptr += sizeof(float);
+ PyList_SetItem(resultlist,i,PyFloat_FromDouble(*val));
+ break;
+ }
+ default:
+ // no support for array of complex data
+ return NULL;
+ }
+ }
+ return resultlist;
+ }
+ else
+ {
+ switch (attrdef->m_type) {
+ case KX_PYATTRIBUTE_TYPE_BOOL:
+ {
+ bool *val = reinterpret_cast<bool*>(ptr);
+ return PyInt_FromLong(*val);
+ }
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ {
+ short int *val = reinterpret_cast<short int*>(ptr);
+ return PyInt_FromLong(*val);
+ }
+ case KX_PYATTRIBUTE_TYPE_INT:
+ {
+ int *val = reinterpret_cast<int*>(ptr);
+ return PyInt_FromLong(*val);
+ }
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ {
+ float *val = reinterpret_cast<float*>(ptr);
+ return PyFloat_FromDouble(*val);
+ }
+ case KX_PYATTRIBUTE_TYPE_STRING:
+ {
+ STR_String *val = reinterpret_cast<STR_String*>(ptr);
+ return PyString_FromString(*val);
+ }
+ default:
+ return NULL;
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
+int PyObjectPlus::_setattr_self(const PyAttributeDef attrlist[], void *self, const STR_String &attr, PyObject *value)
+{
+ const PyAttributeDef *attrdef;
+ void *undoBuffer = NULL;
+ void *sourceBuffer = NULL;
+ size_t bufferSize = 0;
+
+ for (attrdef=attrlist; attrdef->m_name != NULL; attrdef++)
+ {
+ if (attr == attrdef->m_name)
+ {
+ if (attrdef->m_access == KX_PYATTRIBUTE_RO ||
+ attrdef->m_type == KX_PYATTRIBUTE_TYPE_DUMMY)
+ {
+ PyErr_SetString(PyExc_AttributeError, "property is read-only");
+ return 1;
+ }
+ char *ptr = reinterpret_cast<char*>(self)+attrdef->m_offset;
+ if (attrdef->m_length > 1)
+ {
+ if (!PySequence_Check(value))
+ {
+ PyErr_SetString(PyExc_TypeError, "expected a sequence");
+ return 1;
+ }
+ if (PySequence_Size(value) != attrdef->m_length)
+ {
+ PyErr_SetString(PyExc_TypeError, "incorrect number of elements in sequence");
+ return 1;
+ }
+ switch (attrdef->m_type)
+ {
+ case KX_PYATTRIBUTE_TYPE_BOOL:
+ bufferSize = sizeof(bool);
+ break;
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ bufferSize = sizeof(short int);
+ break;
+ case KX_PYATTRIBUTE_TYPE_INT:
+ bufferSize = sizeof(int);
+ break;
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ bufferSize = sizeof(float);
+ break;
+ default:
+ // should not happen
+ PyErr_SetString(PyExc_AttributeError, "Unsupported attribute type, report to blender.org");
+ return 1;
+ }
+ // let's implement a smart undo method
+ bufferSize *= attrdef->m_length;
+ undoBuffer = malloc(bufferSize);
+ sourceBuffer = ptr;
+ if (undoBuffer)
+ {
+ memcpy(undoBuffer, sourceBuffer, bufferSize);
+ }
+ for (int i=0; i<attrdef->m_length; i++)
+ {
+ PyObject *item = PySequence_GetItem(value, i); /* new ref */
+ // we can decrement the reference immediately, the reference count
+ // is at least 1 because the item is part of an array
+ Py_DECREF(item);
+ switch (attrdef->m_type)
+ {
+ case KX_PYATTRIBUTE_TYPE_BOOL:
+ {
+ bool *var = reinterpret_cast<bool*>(ptr);
+ ptr += sizeof(bool);
+ if (PyInt_Check(item))
+ {
+ *var = (PyInt_AsLong(item) != 0);
+ }
+ else if (PyBool_Check(item))
+ {
+ *var = (item == Py_True);
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer or a bool");
+ goto UNDO_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ {
+ short int *var = reinterpret_cast<short int*>(ptr);
+ ptr += sizeof(short int);
+ if (PyInt_Check(item))
+ {
+ long val = PyInt_AsLong(item);
+ if (val < attrdef->m_imin || val > attrdef->m_imax)
+ {
+ PyErr_SetString(PyExc_ValueError, "item value out of range");
+ goto UNDO_AND_ERROR;
+ }
+ *var = (short int)val;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer");
+ goto UNDO_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_INT:
+ {
+ int *var = reinterpret_cast<int*>(ptr);
+ ptr += sizeof(int);
+ if (PyInt_Check(item))
+ {
+ long val = PyInt_AsLong(item);
+ if (val < attrdef->m_imin || val > attrdef->m_imax)
+ {
+ PyErr_SetString(PyExc_ValueError, "item value out of range");
+ goto UNDO_AND_ERROR;
+ }
+ *var = (int)val;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer");
+ goto UNDO_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ {
+ float *var = reinterpret_cast<float*>(ptr);
+ ptr += sizeof(float);
+ if (PyFloat_Check(item))
+ {
+ double val = PyFloat_AsDouble(item);
+ if (val < attrdef->m_fmin || val > attrdef->m_fmax)
+ {
+ PyErr_SetString(PyExc_ValueError, "item value out of range");
+ goto UNDO_AND_ERROR;
+ }
+ *var = (float)val;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected a float");
+ goto UNDO_AND_ERROR;
+ }
+ break;
+ }
+ default:
+ // should not happen
+ PyErr_SetString(PyExc_AttributeError, "attribute type check error, report to blender.org");
+ goto UNDO_AND_ERROR;
+ }
+ }
+ // no error, call check function if any
+ if (attrdef->m_function != NULL)
+ {
+ if ((*attrdef->m_function)(self) != 0)
+ {
+ // post check returned an error, restore values
+ UNDO_AND_ERROR:
+ if (undoBuffer)
+ {
+ memcpy(sourceBuffer, undoBuffer, bufferSize);
+ free(undoBuffer);
+ }
+ return 1;
+ }
+ }
+ if (undoBuffer)
+ free(undoBuffer);
+ return 0;
+ }
+ else // simple attribute value
+ {
+
+ if (attrdef->m_function != NULL)
+ {
+ // post check function is provided, prepare undo buffer
+ sourceBuffer = ptr;
+ switch (attrdef->m_type)
+ {
+ case KX_PYATTRIBUTE_TYPE_BOOL:
+ bufferSize = sizeof(bool);
+ break;
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ bufferSize = sizeof(short);
+ break;
+ case KX_PYATTRIBUTE_TYPE_INT:
+ bufferSize = sizeof(int);
+ break;
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ bufferSize = sizeof(float);
+ break;
+ case KX_PYATTRIBUTE_TYPE_STRING:
+ sourceBuffer = reinterpret_cast<STR_String*>(ptr)->Ptr();
+ if (sourceBuffer)
+ bufferSize = strlen(reinterpret_cast<char*>(sourceBuffer))+1;
+ break;
+ default:
+ PyErr_SetString(PyExc_AttributeError, "unknown attribute type, report to blender.org");
+ return 1;
+ }
+ if (bufferSize)
+ {
+ undoBuffer = malloc(bufferSize);
+ if (undoBuffer)
+ {
+ memcpy(undoBuffer, sourceBuffer, bufferSize);
+ }
+ }
+ }
+
+ switch (attrdef->m_type)
+ {
+ case KX_PYATTRIBUTE_TYPE_BOOL:
+ {
+ bool *var = reinterpret_cast<bool*>(ptr);
+ if (PyInt_Check(value))
+ {
+ *var = (PyInt_AsLong(value) != 0);
+ }
+ else if (PyBool_Check(value))
+ {
+ *var = (value == Py_True);
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer or a bool");
+ goto FREE_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_SHORT:
+ {
+ short int *var = reinterpret_cast<short int*>(ptr);
+ if (PyInt_Check(value))
+ {
+ long val = PyInt_AsLong(value);
+ if (val < attrdef->m_imin || val > attrdef->m_imax)
+ {
+ PyErr_SetString(PyExc_ValueError, "value out of range");
+ goto FREE_AND_ERROR;
+ }
+ *var = (short int)val;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer");
+ goto FREE_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_INT:
+ {
+ int *var = reinterpret_cast<int*>(ptr);
+ if (PyInt_Check(value))
+ {
+ long val = PyInt_AsLong(value);
+ if (val < attrdef->m_imin || val > attrdef->m_imax)
+ {
+ PyErr_SetString(PyExc_ValueError, "value out of range");
+ goto FREE_AND_ERROR;
+ }
+ *var = (int)val;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_TypeError, "expected an integer");
+ goto FREE_AND_ERROR;
+ }
+ break;
+ }
+ case KX_PYATTRIBUTE_TYPE_FLOAT:
+ {
+ float *var = reinterpret_cast<float*>(ptr);
+ if (PyFloat_Check(value))
+ {
+ double val = PyFloat_AsDouble(value);
+ if (val < attrdef->m_fmin || val > attrdef->m_fmax)
+ {
@@ Diff output truncated at 10240 characters. @@
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