blender/source/gameengine/Ketsji/KX_MeshProxy.cpp
2011-12-30 11:49:58 +00:00

318 lines
8.2 KiB
C++

/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gameengine/Ketsji/KX_MeshProxy.cpp
* \ingroup ketsji
*/
#ifdef WITH_PYTHON
#include "KX_MeshProxy.h"
#include "RAS_IPolygonMaterial.h"
#include "RAS_MeshObject.h"
#include "KX_VertexProxy.h"
#include "KX_PolyProxy.h"
#include "KX_PolygonMaterial.h"
#include "KX_BlenderMaterial.h"
#include "KX_PyMath.h"
#include "KX_ConvertPhysicsObject.h"
#include "PyObjectPlus.h"
PyTypeObject KX_MeshProxy::Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"KX_MeshProxy",
sizeof(PyObjectPlus_Proxy),
0,
py_base_dealloc,
0,
0,
0,
0,
py_base_repr,
0,0,0,0,0,0,0,0,0,
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
0,0,0,0,0,0,0,
Methods,
0,
0,
&CValue::Type,
0,0,0,0,0,0,
py_base_new
};
PyMethodDef KX_MeshProxy::Methods[] = {
{"getMaterialName", (PyCFunction)KX_MeshProxy::sPyGetMaterialName,METH_VARARGS},
{"getTextureName", (PyCFunction)KX_MeshProxy::sPyGetTextureName,METH_VARARGS},
{"getVertexArrayLength", (PyCFunction)KX_MeshProxy::sPyGetVertexArrayLength,METH_VARARGS},
{"getVertex", (PyCFunction)KX_MeshProxy::sPyGetVertex,METH_VARARGS},
{"getPolygon", (PyCFunction)KX_MeshProxy::sPyGetPolygon,METH_VARARGS},
//{"getIndexArrayLength", (PyCFunction)KX_MeshProxy::sPyGetIndexArrayLength,METH_VARARGS},
{NULL,NULL} //Sentinel
};
PyAttributeDef KX_MeshProxy::Attributes[] = {
KX_PYATTRIBUTE_RO_FUNCTION("materials", KX_MeshProxy, pyattr_get_materials),
KX_PYATTRIBUTE_RO_FUNCTION("numPolygons", KX_MeshProxy, pyattr_get_numPolygons),
KX_PYATTRIBUTE_RO_FUNCTION("numMaterials", KX_MeshProxy, pyattr_get_numMaterials),
{ NULL } //Sentinel
};
void KX_MeshProxy::SetMeshModified(bool v)
{
m_meshobj->SetMeshModified(v);
}
KX_MeshProxy::KX_MeshProxy(RAS_MeshObject* mesh)
: CValue(), m_meshobj(mesh)
{
}
KX_MeshProxy::~KX_MeshProxy()
{
}
// stuff for cvalue related things
CValue* KX_MeshProxy::Calc(VALUE_OPERATOR op, CValue *val) { return NULL;}
CValue* KX_MeshProxy::CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue *val) { return NULL;}
const STR_String & KX_MeshProxy::GetText() {return m_meshobj->GetName();};
double KX_MeshProxy::GetNumber() { return -1;}
STR_String& KX_MeshProxy::GetName() { return m_meshobj->GetName();}
void KX_MeshProxy::SetName(const char *name) { };
CValue* KX_MeshProxy::GetReplica() { return NULL;}
// stuff for python integration
PyObject* KX_MeshProxy::PyGetMaterialName(PyObject* args, PyObject* kwds)
{
int matid= 1;
STR_String matname;
if (PyArg_ParseTuple(args,"i:getMaterialName",&matid))
{
matname = m_meshobj->GetMaterialName(matid);
}
else {
return NULL;
}
return PyUnicode_From_STR_String(matname);
}
PyObject* KX_MeshProxy::PyGetTextureName(PyObject* args, PyObject* kwds)
{
int matid= 1;
STR_String matname;
if (PyArg_ParseTuple(args,"i:getTextureName",&matid))
{
matname = m_meshobj->GetTextureName(matid);
}
else {
return NULL;
}
return PyUnicode_From_STR_String(matname);
}
PyObject* KX_MeshProxy::PyGetVertexArrayLength(PyObject* args, PyObject* kwds)
{
int matid= 0;
int length = 0;
if (!PyArg_ParseTuple(args,"i:getVertexArrayLength",&matid))
return NULL;
RAS_MeshMaterial *mmat = m_meshobj->GetMeshMaterial(matid); /* can be NULL*/
if (mmat)
{
RAS_IPolyMaterial* mat = mmat->m_bucket->GetPolyMaterial();
if (mat)
length = m_meshobj->NumVertices(mat);
}
return PyLong_FromSsize_t(length);
}
PyObject* KX_MeshProxy::PyGetVertex(PyObject* args, PyObject* kwds)
{
int vertexindex;
int matindex;
if (!PyArg_ParseTuple(args,"ii:getVertex",&matindex,&vertexindex))
return NULL;
RAS_TexVert* vertex = m_meshobj->GetVertex(matindex,vertexindex);
if(vertex==NULL) {
PyErr_SetString(PyExc_ValueError, "mesh.getVertex(mat_idx, vert_idx): KX_MeshProxy, could not get a vertex at the given indices");
return NULL;
}
return (new KX_VertexProxy(this, vertex))->NewProxy(true);
}
PyObject* KX_MeshProxy::PyGetPolygon(PyObject* args, PyObject* kwds)
{
int polyindex= 1;
PyObject* polyob = NULL;
if (!PyArg_ParseTuple(args,"i:getPolygon",&polyindex))
return NULL;
if (polyindex<0 || polyindex >= m_meshobj->NumPolygons())
{
PyErr_SetString(PyExc_AttributeError, "mesh.getPolygon(int): KX_MeshProxy, invalid polygon index");
return NULL;
}
RAS_Polygon* polygon = m_meshobj->GetPolygon(polyindex);
if (polygon)
{
polyob = (new KX_PolyProxy(m_meshobj, polygon))->NewProxy(true);
}
else {
PyErr_SetString(PyExc_AttributeError, "mesh.getPolygon(int): KX_MeshProxy, polygon is NULL, unknown reason");
}
return polyob;
}
PyObject* KX_MeshProxy::pyattr_get_materials(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
KX_MeshProxy* self= static_cast<KX_MeshProxy*>(self_v);
int tot= self->m_meshobj->NumMaterials();
int i;
PyObject *materials = PyList_New( tot );
list<RAS_MeshMaterial>::iterator mit= self->m_meshobj->GetFirstMaterial();
for(i=0; i<tot; mit++, i++) {
RAS_IPolyMaterial *polymat = mit->m_bucket->GetPolyMaterial();
/* Why do we need to check for RAS_BLENDERMAT if both are cast to a (PyObject*)? - Campbell */
if(polymat->GetFlag() & RAS_BLENDERMAT)
{
KX_BlenderMaterial *mat = static_cast<KX_BlenderMaterial*>(polymat);
PyList_SET_ITEM(materials, i, mat->GetProxy());
}
else {
KX_PolygonMaterial *mat = static_cast<KX_PolygonMaterial*>(polymat);
PyList_SET_ITEM(materials, i, mat->GetProxy());
}
}
return materials;
}
PyObject * KX_MeshProxy::pyattr_get_numMaterials(void * selfv, const KX_PYATTRIBUTE_DEF * attrdef)
{
KX_MeshProxy * self = static_cast<KX_MeshProxy *> (selfv);
return PyLong_FromSsize_t(self->m_meshobj->NumMaterials());
}
PyObject * KX_MeshProxy::pyattr_get_numPolygons(void * selfv, const KX_PYATTRIBUTE_DEF * attrdef)
{
KX_MeshProxy * self = static_cast<KX_MeshProxy *> (selfv);
return PyLong_FromSsize_t(self->m_meshobj->NumPolygons());
}
/* a close copy of ConvertPythonToGameObject but for meshes */
bool ConvertPythonToMesh(PyObject * value, RAS_MeshObject **object, bool py_none_ok, const char *error_prefix)
{
if (value==NULL) {
PyErr_Format(PyExc_TypeError, "%s, python pointer NULL, should never happen", error_prefix);
*object = NULL;
return false;
}
if (value==Py_None) {
*object = NULL;
if (py_none_ok) {
return true;
} else {
PyErr_Format(PyExc_TypeError, "%s, expected KX_MeshProxy or a KX_MeshProxy name, None is invalid", error_prefix);
return false;
}
}
if (PyUnicode_Check(value)) {
*object = (RAS_MeshObject*)SCA_ILogicBrick::m_sCurrentLogicManager->GetMeshByName(STR_String( _PyUnicode_AsString(value) ));
if (*object) {
return true;
} else {
PyErr_Format(PyExc_ValueError, "%s, requested name \"%s\" did not match any KX_MeshProxy in this scene", error_prefix, _PyUnicode_AsString(value));
return false;
}
}
if (PyObject_TypeCheck(value, &KX_MeshProxy::Type)) {
KX_MeshProxy *kx_mesh = static_cast<KX_MeshProxy*>BGE_PROXY_REF(value);
/* sets the error */
if (kx_mesh==NULL) {
PyErr_Format(PyExc_SystemError, "%s, " BGE_PROXY_ERROR_MSG, error_prefix);
return false;
}
*object = kx_mesh->GetMesh();
return true;
}
*object = NULL;
if (py_none_ok) {
PyErr_Format(PyExc_TypeError, "%s, expect a KX_MeshProxy, a string or None", error_prefix);
} else {
PyErr_Format(PyExc_TypeError, "%s, expect a KX_MeshProxy or a string", error_prefix);
}
return false;
}
#endif // WITH_PYTHON