Kent Mein
209a2ede2c
#ifdef HAVE_CONFIG_H #include <config.h> #endif added to these files. Kent -- mein@cs.umn.edu
165 lines
4.0 KiB
C++
165 lines
4.0 KiB
C++
/**
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* 'Expression Controller enables to calculate an expression that wires inputs to output
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*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "SCA_ExpressionController.h"
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#include "SCA_ISensor.h"
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#include "SCA_LogicManager.h"
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#include "BoolValue.h"
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#include "InputParser.h"
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#include "MT_Transform.h" // for fuzzyZero
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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/* ------------------------------------------------------------------------- */
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/* Native functions */
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/* ------------------------------------------------------------------------- */
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SCA_ExpressionController::SCA_ExpressionController(SCA_IObject* gameobj,
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const STR_String& exprtext,
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PyTypeObject* T)
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:SCA_IController(gameobj,T),
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m_exprText(exprtext)
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{
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}
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SCA_ExpressionController::~SCA_ExpressionController()
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{
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}
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CValue* SCA_ExpressionController::GetReplica()
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{
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SCA_ExpressionController* replica = new SCA_ExpressionController(*this);
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replica->m_exprText = m_exprText;
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// this will copy properties and so on...
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CValue::AddDataToReplica(replica);
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return replica;
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}
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void SCA_ExpressionController::Trigger(SCA_LogicManager* logicmgr)
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{
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bool expressionresult = false;
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CParser parser;
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parser.SetContext(this->AddRef());
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CExpression* expr = parser.ProcessText(m_exprText);
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if (expr)
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{
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CValue* value = expr->Calculate();
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if (value)
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{
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if (value->IsError())
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{
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printf(value->GetText());
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} else
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{
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float num = value->GetNumber();
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expressionresult = !MT_fuzzyZero(num);
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}
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value->Release();
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}
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expr->Release();
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}
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/*
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for (vector<SCA_ISensor*>::const_iterator is=m_linkedsensors.begin();
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!(is==m_linkedsensors.end());is++)
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{
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SCA_ISensor* sensor = *is;
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if (!sensor->IsPositiveTrigger())
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{
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sensorresult = false;
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break;
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}
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}
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*/
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CValue* newevent = new CBoolValue(expressionresult);
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for (vector<SCA_IActuator*>::const_iterator i=m_linkedactuators.begin();
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!(i==m_linkedactuators.end());i++)
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{
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SCA_IActuator* actua = *i;
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logicmgr->AddActiveActuator(actua,newevent);
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}
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//printf("expr %d.",expressionresult);
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// every actuator that needs the event, has a it's own reference to it now so
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// release it (so to be clear: if there is no actuator, it's deleted right now)
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newevent->Release();
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}
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CValue* SCA_ExpressionController::FindIdentifier(const STR_String& identifiername)
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{
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CValue* identifierval = NULL;
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for (vector<SCA_ISensor*>::const_iterator is=m_linkedsensors.begin();
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!(is==m_linkedsensors.end());is++)
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{
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SCA_ISensor* sensor = *is;
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if (sensor->GetName() == identifiername)
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{
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identifierval = new CBoolValue(sensor->IsPositiveTrigger());
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//identifierval = sensor->AddRef();
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}
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//if (!sensor->IsPositiveTrigger())
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//{
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// sensorresult = false;
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// break;
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//}
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}
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if (identifierval)
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return identifierval;
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return GetParent()->FindIdentifier(identifiername);
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}
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