Blender V2.61 - r43446

SCA_IActuator.cpp

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00001 /*
00002  * ***** BEGIN GPL LICENSE BLOCK *****
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License
00006  * as published by the Free Software Foundation; either version 2
00007  * of the License, or (at your option) any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software Foundation,
00016  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  *
00018  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
00019  * All rights reserved.
00020  *
00021  * The Original Code is: all of this file.
00022  *
00023  * Contributor(s): none yet.
00024  *
00025  * ***** END GPL LICENSE BLOCK *****
00026  */
00027 
00033 #include "SCA_IActuator.h"
00034 #include <stdio.h>
00035 
00036 using namespace std;
00037 
00038 SCA_IActuator::SCA_IActuator(SCA_IObject* gameobj, KX_ACTUATOR_TYPE type) :
00039     SCA_ILogicBrick(gameobj),
00040     m_type(type),
00041     m_links(0),
00042     m_posevent(false),
00043     m_negevent(false)
00044 {
00045     // nothing to do
00046 }
00047 
00048 bool SCA_IActuator::Update(double curtime, bool frame)
00049 {
00050     if (frame)
00051         return Update();
00052     
00053     return true;
00054 }
00055 
00056 bool SCA_IActuator::Update()
00057 {
00058     assert(false && "Actuators should override an Update method.");
00059     return false;
00060 }
00061 
00062 void SCA_IActuator::Activate(SG_DList& head)
00063 {
00064     if (QEmpty())
00065     {
00066         InsertActiveQList(m_gameobj->m_activeActuators);
00067         head.AddBack(&m_gameobj->m_activeActuators);
00068     }
00069 }
00070 
00071 // this function is only used to deactivate actuators outside the logic loop
00072 // e.g. when an object is deleted.
00073 void SCA_IActuator::Deactivate()
00074 {
00075     if (QDelink())
00076     {
00077         // the actuator was in the active list
00078         if (m_gameobj->m_activeActuators.QEmpty())
00079             // the owner object has no more active actuators, remove it from the global list
00080             m_gameobj->m_activeActuators.Delink();
00081     }
00082 }
00083 
00084 
00085 void SCA_IActuator::ProcessReplica()
00086 {
00087     SCA_ILogicBrick::ProcessReplica();
00088     RemoveAllEvents();
00089     m_linkedcontrollers.clear();
00090 }
00091 
00092 
00093 
00094 SCA_IActuator::~SCA_IActuator()
00095 {
00096     RemoveAllEvents();
00097 }
00098 
00099 void SCA_IActuator::DecLink()
00100 {
00101     m_links--;
00102     if (m_links < 0) 
00103     {
00104         printf("Warning: actuator %s has negative m_links: %d\n", m_name.Ptr(), m_links);
00105         m_links = 0;
00106     }
00107 }
00108 
00109 void SCA_IActuator::LinkToController(SCA_IController* controller)
00110 {
00111     m_linkedcontrollers.push_back(controller);
00112 }
00113 
00114 void SCA_IActuator::UnlinkController(SCA_IController* controller)
00115 {
00116     std::vector<class SCA_IController*>::iterator contit;
00117     for (contit = m_linkedcontrollers.begin();!(contit==m_linkedcontrollers.end());++contit)
00118     {
00119         if ((*contit) == controller)
00120         {
00121             *contit = m_linkedcontrollers.back();
00122             m_linkedcontrollers.pop_back();
00123             return;
00124         }
00125     }
00126     printf("Missing link from actuator %s:%s to controller %s:%s\n", 
00127         m_gameobj->GetName().ReadPtr(), GetName().ReadPtr(), 
00128         controller->GetParent()->GetName().ReadPtr(), controller->GetName().ReadPtr());
00129 }
00130 
00131 void SCA_IActuator::UnlinkAllControllers()
00132 {
00133     std::vector<class SCA_IController*>::iterator contit;
00134     for (contit = m_linkedcontrollers.begin();!(contit==m_linkedcontrollers.end());++contit)
00135     {
00136         (*contit)->UnlinkActuator(this);
00137     }
00138     m_linkedcontrollers.clear();
00139 }
00140