SCA_IController.cpp

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/*
 * ***** 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 *****
 */

#include <stddef.h>

#include "SCA_IController.h"
#include "SCA_LogicManager.h"
#include "SCA_IActuator.h"
#include "SCA_ISensor.h"
#include "PyObjectPlus.h"
#include "../Ketsji/KX_PythonSeq.h" /* not nice, only need for KX_PythonSeq_CreatePyObject */

#include <stdio.h>

SCA_IController::SCA_IController(SCA_IObject* gameobj)
    :
    SCA_ILogicBrick(gameobj),
    m_statemask(0),
    m_justActivated(false)
{
}
    

    
SCA_IController::~SCA_IController()
{
    //UnlinkAllActuators();
}



std::vector<class SCA_ISensor*>& SCA_IController::GetLinkedSensors()
{
    return m_linkedsensors;
}



std::vector<class SCA_IActuator*>& SCA_IController::GetLinkedActuators()
{
    return m_linkedactuators;
}



void SCA_IController::UnlinkAllSensors()
{
    std::vector<class SCA_ISensor*>::iterator sensit;
    for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
    {
        if (IsActive()) 
        {
            (*sensit)->DecLink();
        }
        (*sensit)->UnlinkController(this);
    }
    m_linkedsensors.clear();
}



void SCA_IController::UnlinkAllActuators()
{
    std::vector<class SCA_IActuator*>::iterator actit;
    for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
    {
        if (IsActive()) 
        {
            (*actit)->DecLink();
        }
        (*actit)->UnlinkController(this);
    }
    m_linkedactuators.clear();
}

void SCA_IController::LinkToActuator(SCA_IActuator* actua)
{
    m_linkedactuators.push_back(actua);
    if (IsActive())
    {
        actua->IncLink();
    }
}

void    SCA_IController::UnlinkActuator(class SCA_IActuator* actua)
{
    std::vector<class SCA_IActuator*>::iterator actit;
    for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
    {
        if ((*actit) == actua)
        {
            if (IsActive())
            {
                (*actit)->DecLink();
            }
            *actit = m_linkedactuators.back();
            m_linkedactuators.pop_back();
            return;
        }
    }
    printf("Missing link from controller %s:%s to actuator %s:%s\n", 
        m_gameobj->GetName().ReadPtr(), GetName().ReadPtr(), 
        actua->GetParent()->GetName().ReadPtr(), actua->GetName().ReadPtr());
}

void SCA_IController::LinkToSensor(SCA_ISensor* sensor)
{
    m_linkedsensors.push_back(sensor);
    if (IsActive())
    {
        sensor->IncLink();
    }
}

void SCA_IController::UnlinkSensor(class SCA_ISensor* sensor)
{
    std::vector<class SCA_ISensor*>::iterator sensit;
    for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
    {
        if ((*sensit) == sensor)
        {
            if (IsActive())
            {
                sensor->DecLink();
            }
            *sensit = m_linkedsensors.back();
            m_linkedsensors.pop_back();
            return;
        }
    }
    printf("Missing link from controller %s:%s to sensor %s:%s\n", 
        m_gameobj->GetName().ReadPtr(), GetName().ReadPtr(), 
        sensor->GetParent()->GetName().ReadPtr(), sensor->GetName().ReadPtr());
}


void SCA_IController::ApplyState(unsigned int state)
{
    std::vector<class SCA_IActuator*>::iterator actit;
    std::vector<class SCA_ISensor*>::iterator sensit;

    if (m_statemask & state) 
    {
        if (!IsActive()) 
        {
            // reactive the controller, all the links to actuator are valid again
            for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
            {
                (*actit)->IncLink();
            }

            for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
            {
                (*sensit)->IncLink();
            }
            SetActive(true);
            m_justActivated = true;
        }
    } else if (IsActive())
    {
        for (actit = m_linkedactuators.begin();!(actit==m_linkedactuators.end());++actit)
        {
            (*actit)->DecLink();
        }
        for (sensit = m_linkedsensors.begin();!(sensit==m_linkedsensors.end());++sensit)
        {
            (*sensit)->DecLink();
        }
        SetActive(false);
        m_justActivated = false;
    }
}

#ifdef WITH_PYTHON

/* Python api */

PyTypeObject SCA_IController::Type = {
    PyVarObject_HEAD_INIT(NULL, 0)
    "SCA_IController",
    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_ILogicBrick::Type,
    0,0,0,0,0,0,
    py_base_new
};

PyMethodDef SCA_IController::Methods[] = {
    {NULL,NULL} //Sentinel
};

PyAttributeDef SCA_IController::Attributes[] = {
    KX_PYATTRIBUTE_RO_FUNCTION("state", SCA_IController, pyattr_get_state),
    KX_PYATTRIBUTE_RO_FUNCTION("sensors", SCA_IController, pyattr_get_sensors),
    KX_PYATTRIBUTE_RO_FUNCTION("actuators", SCA_IController, pyattr_get_actuators),
    KX_PYATTRIBUTE_BOOL_RW("useHighPriority",SCA_IController,m_bookmark),
    { NULL }    //Sentinel
};

PyObject* SCA_IController::pyattr_get_state(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
    SCA_IController* self= static_cast<SCA_IController*>(self_v);
    return PyLong_FromSsize_t(self->m_statemask);
}

PyObject* SCA_IController::pyattr_get_sensors(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
    return KX_PythonSeq_CreatePyObject((static_cast<SCA_IController*>(self_v))->m_proxy, KX_PYGENSEQ_CONT_TYPE_SENSORS);    
}

PyObject* SCA_IController::pyattr_get_actuators(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
    return KX_PythonSeq_CreatePyObject((static_cast<SCA_IController*>(self_v))->m_proxy, KX_PYGENSEQ_CONT_TYPE_ACTUATORS);  
}
#endif // WITH_PYTHON