KX_TouchEventManager.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.
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 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "KX_TouchEventManager.h"
#include "SCA_ISensor.h"
#include "KX_TouchSensor.h"
#include "KX_GameObject.h"
#include "PHY_IPhysicsEnvironment.h"
#include "PHY_IPhysicsController.h"


KX_TouchEventManager::KX_TouchEventManager(class SCA_LogicManager* logicmgr,
    PHY_IPhysicsEnvironment* physEnv)
    : SCA_EventManager(logicmgr, TOUCH_EVENTMGR),
      m_physEnv(physEnv)
{
    //notm_scene->addTouchCallback(STATIC_RESPONSE, KX_TouchEventManager::collisionResponse, this);

    //m_scene->addTouchCallback(OBJECT_RESPONSE, KX_TouchEventManager::collisionResponse, this);
    //m_scene->addTouchCallback(SENSOR_RESPONSE, KX_TouchEventManager::collisionResponse, this);

    m_physEnv->addTouchCallback(PHY_OBJECT_RESPONSE, KX_TouchEventManager::newCollisionResponse, this);
    m_physEnv->addTouchCallback(PHY_SENSOR_RESPONSE, KX_TouchEventManager::newCollisionResponse, this);
    m_physEnv->addTouchCallback(PHY_BROADPH_RESPONSE, KX_TouchEventManager::newBroadphaseResponse, this);

}

bool    KX_TouchEventManager::NewHandleCollision(void* object1, void* object2, const PHY_CollData *coll_data)
{

    PHY_IPhysicsController* obj1 = static_cast<PHY_IPhysicsController*>(object1);
    PHY_IPhysicsController* obj2 = static_cast<PHY_IPhysicsController*>(object2);
    
    m_newCollisions.insert(std::pair<PHY_IPhysicsController*, PHY_IPhysicsController*>(obj1, obj2));
        
    return false;
}


bool     KX_TouchEventManager::newCollisionResponse(void *client_data, 
                            void *object1,
                            void *object2,
                            const PHY_CollData *coll_data)
{
    KX_TouchEventManager *touchmgr = (KX_TouchEventManager *) client_data;
    touchmgr->NewHandleCollision(object1, object2, coll_data);
    return false;
}

bool     KX_TouchEventManager::newBroadphaseResponse(void *client_data, 
                            void *object1,
                            void *object2,
                            const PHY_CollData *coll_data)
{
    PHY_IPhysicsController* ctrl = static_cast<PHY_IPhysicsController*>(object1);
    KX_ClientObjectInfo* info = (ctrl) ? static_cast<KX_ClientObjectInfo*>(ctrl->getNewClientInfo()) : NULL;
    // This call back should only be called for controllers of Near and Radar sensor
    if (!info)
        return true;

    switch (info->m_type)
    {
    case KX_ClientObjectInfo::SENSOR:
        if (info->m_sensors.size() == 1)
        {
            // only one sensor for this type of object
            KX_TouchSensor* touchsensor = static_cast<KX_TouchSensor*>(*info->m_sensors.begin());
            return touchsensor->BroadPhaseFilterCollision(object1,object2);
        }
        break;
    case KX_ClientObjectInfo::OBSENSOR:
    case KX_ClientObjectInfo::OBACTORSENSOR:
        // this object may have multiple collision sensors, 
        // check is any of them is interested in this object
        for(std::list<SCA_ISensor*>::iterator it = info->m_sensors.begin();
            it != info->m_sensors.end();
            ++it)
        {
            if ((*it)->GetSensorType() == SCA_ISensor::ST_TOUCH) 
            {
                KX_TouchSensor* touchsensor = static_cast<KX_TouchSensor*>(*it);
                if (touchsensor->BroadPhaseSensorFilterCollision(object1, object2))
                    return true;
            }
        }
        return false;

    // quiet the compiler
    case KX_ClientObjectInfo::STATIC:
    case KX_ClientObjectInfo::ACTOR:
    case KX_ClientObjectInfo::RESERVED1:
        /* do nothing*/
        break;
    }
    return true;
}

void KX_TouchEventManager::RegisterSensor(SCA_ISensor* sensor)
{
    KX_TouchSensor* touchsensor = static_cast<KX_TouchSensor*>(sensor);
    if (m_sensors.AddBack(touchsensor))
        // the sensor was effectively inserted, register it
        touchsensor->RegisterSumo(this);
}

void KX_TouchEventManager::RemoveSensor(SCA_ISensor* sensor)
{
    KX_TouchSensor* touchsensor = static_cast<KX_TouchSensor*>(sensor);
    if (touchsensor->Delink())
        // the sensor was effectively removed, unregister it
        touchsensor->UnregisterSumo(this);
}



void KX_TouchEventManager::EndFrame()
{
    SG_DList::iterator<KX_TouchSensor> it(m_sensors);
    for (it.begin();!it.end();++it)
    {
        (*it)->EndFrame();
    }
}



void KX_TouchEventManager::NextFrame()
{
    if (!m_sensors.Empty())
    {
        SG_DList::iterator<KX_TouchSensor> it(m_sensors);
        for (it.begin();!it.end();++it)
            (*it)->SynchronizeTransform();
        
        for (std::set<NewCollision>::iterator cit = m_newCollisions.begin(); cit != m_newCollisions.end(); ++cit)
        {
            PHY_IPhysicsController* ctrl1 = (*cit).first;
//          PHY_IPhysicsController* ctrl2 = (*cit).second;
//          KX_GameObject* gameOb1 = ctrl1->getClientInfo();
//          KX_GameObject* gameOb1 = ctrl1->getClientInfo();

            KX_ClientObjectInfo *client_info = static_cast<KX_ClientObjectInfo *>(ctrl1->getNewClientInfo());
            list<SCA_ISensor*>::iterator sit;
            if (client_info) {
                for ( sit = client_info->m_sensors.begin(); sit != client_info->m_sensors.end(); ++sit) {
                    static_cast<KX_TouchSensor*>(*sit)->NewHandleCollision((*cit).first, (*cit).second, NULL);
                }
            }
            client_info = static_cast<KX_ClientObjectInfo *>((*cit).second->getNewClientInfo());
            if (client_info) {
                for ( sit = client_info->m_sensors.begin(); sit != client_info->m_sensors.end(); ++sit) {
                    static_cast<KX_TouchSensor*>(*sit)->NewHandleCollision((*cit).second, (*cit).first, NULL);
                }
            }
        }
            
        m_newCollisions.clear();
            
        for (it.begin();!it.end();++it)
            (*it)->Activate(m_logicmgr);
    }
}