KX_SCA_ReplaceMeshActuator.cpp

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//
// Replace the mesh for this actuator's parent
//
//
// ***** 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 */