KX_SCA_ReplaceMeshActuator.cpp

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//
// Replace the mesh for this actuator's parent
//
// $Id: KX_SCA_ReplaceMeshActuator.cpp 35171 2011-02-25 13:35:59Z jesterking $
//
// ***** 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 *****

//
// Previously existed as:

// \source\gameengine\GameLogic\SCA_ReplaceMeshActuator.cpp

// Please look here for revision history.

#include <stddef.h>

#include "KX_SCA_ReplaceMeshActuator.h"
#include "KX_MeshProxy.h"

#include "PyObjectPlus.h" 

#ifdef WITH_PYTHON

/* ------------------------------------------------------------------------- */
/* Python functions                                                          */
/* ------------------------------------------------------------------------- */

/* Integration hooks ------------------------------------------------------- */

PyTypeObject KX_SCA_ReplaceMeshActuator::Type = {
        PyVarObject_HEAD_INIT(NULL, 0)
        "KX_SCA_ReplaceMeshActuator",
        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,
        &SCA_IActuator::Type,
        0,0,0,0,0,0,
        py_base_new
};

PyMethodDef KX_SCA_ReplaceMeshActuator::Methods[] = {
        KX_PYMETHODTABLE(KX_SCA_ReplaceMeshActuator, instantReplaceMesh),
        {NULL,NULL} //Sentinel
};

PyAttributeDef KX_SCA_ReplaceMeshActuator::Attributes[] = {
        KX_PYATTRIBUTE_RW_FUNCTION("mesh", KX_SCA_ReplaceMeshActuator, pyattr_get_mesh, pyattr_set_mesh),
        KX_PYATTRIBUTE_BOOL_RW    ("useDisplayMesh", KX_SCA_ReplaceMeshActuator, m_use_gfx),
        KX_PYATTRIBUTE_BOOL_RW    ("usePhysicsMesh", KX_SCA_ReplaceMeshActuator, m_use_phys),
        { NULL }        //Sentinel
};

PyObject* KX_SCA_ReplaceMeshActuator::pyattr_get_mesh(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_SCA_ReplaceMeshActuator* actuator = static_cast<KX_SCA_ReplaceMeshActuator*>(self);
        if (!actuator->m_mesh)
                Py_RETURN_NONE;
        KX_MeshProxy* meshproxy = new KX_MeshProxy(actuator->m_mesh);
        return meshproxy->NewProxy(true);
}

int KX_SCA_ReplaceMeshActuator::pyattr_set_mesh(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
        KX_SCA_ReplaceMeshActuator* actuator = static_cast<KX_SCA_ReplaceMeshActuator*>(self);
        RAS_MeshObject* new_mesh;
        
        if (!ConvertPythonToMesh(value, &new_mesh, true, "actuator.mesh = value: KX_SCA_ReplaceMeshActuator"))
                return PY_SET_ATTR_FAIL;
        
        actuator->m_mesh = new_mesh;
        return PY_SET_ATTR_SUCCESS;
}

KX_PYMETHODDEF_DOC(KX_SCA_ReplaceMeshActuator, instantReplaceMesh,
"instantReplaceMesh() : immediately replace mesh without delay\n")
{
        InstantReplaceMesh();
        Py_RETURN_NONE;
}

#endif // WITH_PYTHON

/* ------------------------------------------------------------------------- */
/* Native functions                                                          */
/* ------------------------------------------------------------------------- */

KX_SCA_ReplaceMeshActuator::KX_SCA_ReplaceMeshActuator(SCA_IObject *gameobj,
                                                                                                           class RAS_MeshObject *mesh,
                                                                                                           SCA_IScene* scene,
                                                                                                           bool use_gfx,
                                                                                                           bool use_phys) :

        SCA_IActuator(gameobj, KX_ACT_REPLACE_MESH),
        m_mesh(mesh),
        m_scene(scene),
        m_use_gfx(use_gfx),
        m_use_phys(use_phys)
{
} /* End of constructor */



KX_SCA_ReplaceMeshActuator::~KX_SCA_ReplaceMeshActuator()
{ 
        // there's nothing to be done here, really....
} /* end of destructor */



bool KX_SCA_ReplaceMeshActuator::Update()
{
        // bool result = false; /*unused*/
        bool bNegativeEvent = IsNegativeEvent();
        RemoveAllEvents();

        if (bNegativeEvent)
                return false; // do nothing on negative events

        if (m_mesh || m_use_phys) /* NULL mesh is ok if were updating physics */
                m_scene->ReplaceMesh(GetParent(),m_mesh, m_use_gfx, m_use_phys);

        return false;
}



CValue* KX_SCA_ReplaceMeshActuator::GetReplica()
{
        KX_SCA_ReplaceMeshActuator* replica = 
                new KX_SCA_ReplaceMeshActuator(*this);

        if (replica == NULL)
                return NULL;

        replica->ProcessReplica();

        return replica;
};

void KX_SCA_ReplaceMeshActuator::InstantReplaceMesh()
{
        if (m_mesh) m_scene->ReplaceMesh(GetParent(),m_mesh, m_use_gfx, m_use_phys);
}

/* eof */