forked from bartvdbraak/blender
450 lines
11 KiB
C++
450 lines
11 KiB
C++
/**
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* Property sensor
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*
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* $Id$
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*
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* ***** BEGIN GPL 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.
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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 LICENSE BLOCK *****
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*/
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#include <iostream>
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#include "SCA_PropertySensor.h"
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#include "Operator2Expr.h"
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#include "ConstExpr.h"
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#include "InputParser.h"
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#include "StringValue.h"
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#include "SCA_EventManager.h"
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#include "SCA_LogicManager.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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SCA_PropertySensor::SCA_PropertySensor(SCA_EventManager* eventmgr,
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SCA_IObject* gameobj,
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const STR_String& propname,
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const STR_String& propval,
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const STR_String& propmaxval,
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KX_PROPSENSOR_TYPE checktype,
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PyTypeObject* T )
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: SCA_ISensor(gameobj,eventmgr,T),
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m_checktype(checktype),
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m_checkpropval(propval),
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m_checkpropmaxval(propmaxval),
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m_checkpropname(propname),
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m_range_expr(NULL)
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{
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//CParser pars;
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//pars.SetContext(this->AddRef());
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//CValue* resultval = m_rightexpr->Calculate();
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CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
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if (!orgprop->IsError())
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{
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m_previoustext = orgprop->GetText();
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}
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orgprop->Release();
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if (m_checktype==KX_PROPSENSOR_INTERVAL)
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{
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PrecalculateRangeExpression();
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}
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Init();
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}
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void SCA_PropertySensor::Init()
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{
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m_recentresult = false;
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m_lastresult = m_invert?true:false;
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m_reset = true;
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}
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void SCA_PropertySensor::PrecalculateRangeExpression()
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{
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CParser pars;
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//The context is needed to retrieve the property at runtime but it creates
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//loop of references
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pars.SetContext(this->AddRef());
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STR_String checkstr = "(" + m_checkpropval + " <= "
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+ m_checkpropname + ") && ( "
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+ m_checkpropname + " <= "
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+ m_checkpropmaxval + ")";
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m_range_expr = pars.ProcessText(checkstr);
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}
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// Forced deletion of precalculated range expression to break reference loop
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// Use this function when you know that you won't use the sensor anymore
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void SCA_PropertySensor::Delete()
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{
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if (m_range_expr)
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{
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m_range_expr->Release();
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m_range_expr = NULL;
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}
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Release();
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}
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CValue* SCA_PropertySensor::GetReplica()
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{
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SCA_PropertySensor* replica = new SCA_PropertySensor(*this);
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// m_range_expr must be recalculated on replica!
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CValue::AddDataToReplica(replica);
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replica->Init();
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replica->m_range_expr = NULL;
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if (replica->m_checktype==KX_PROPSENSOR_INTERVAL)
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{
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replica->PrecalculateRangeExpression();
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}
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return replica;
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}
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bool SCA_PropertySensor::IsPositiveTrigger()
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{
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bool result = m_recentresult;//CheckPropertyCondition();
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if (m_invert)
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result = !result;
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return result;
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}
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SCA_PropertySensor::~SCA_PropertySensor()
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{
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//if (m_rightexpr)
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// m_rightexpr->Release();
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if (m_range_expr)
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{
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m_range_expr->Release();
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m_range_expr=NULL;
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}
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}
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bool SCA_PropertySensor::Evaluate(CValue* event)
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{
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bool result = CheckPropertyCondition();
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bool reset = m_reset && m_level;
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m_reset = false;
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if (m_lastresult!=result)
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{
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m_lastresult = result;
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return true;
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}
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return (reset) ? true : false;
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}
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bool SCA_PropertySensor::CheckPropertyCondition()
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{
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m_recentresult=false;
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bool result=false;
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bool reverse = false;
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switch (m_checktype)
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{
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case KX_PROPSENSOR_NOTEQUAL:
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reverse = true;
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case KX_PROPSENSOR_EQUAL:
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{
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CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
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if (!orgprop->IsError())
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{
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STR_String testprop = orgprop->GetText();
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// Force strings to upper case, to avoid confusion in
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// bool tests. It's stupid the prop's identity is lost
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// on the way here...
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if ((testprop == "TRUE") || (testprop == "FALSE")) {
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STR_String checkprop = m_checkpropval;
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checkprop.Upper();
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result = (testprop == checkprop);
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} else {
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result = (orgprop->GetText() == m_checkpropval);
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}
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}
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orgprop->Release();
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if (reverse)
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result = !result;
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break;
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}
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case KX_PROPSENSOR_EXPRESSION:
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{
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/*
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if (m_rightexpr)
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{
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CValue* resultval = m_rightexpr->Calculate();
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if (resultval->IsError())
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{
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int i=0;
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STR_String errortest = resultval->GetText();
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printf(errortest);
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} else
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{
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result = resultval->GetNumber() != 0;
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}
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}
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*/
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break;
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}
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case KX_PROPSENSOR_INTERVAL:
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{
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//CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
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//if (orgprop)
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//{
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if (m_range_expr)
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{
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CValue* vallie = m_range_expr->Calculate();
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if (vallie)
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{
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STR_String errtext = vallie->GetText();
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if (errtext == "TRUE")
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{
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result = true;
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} else
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{
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if (vallie->IsError())
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{
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//printf (errtext.ReadPtr());
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}
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}
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vallie->Release();
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}
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}
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//}
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//cout << " \nSens:Prop:interval!"; /* need implementation here!!! */
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break;
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}
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case KX_PROPSENSOR_CHANGED:
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{
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CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
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if (!orgprop->IsError())
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{
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if (m_previoustext != orgprop->GetText())
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{
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m_previoustext = orgprop->GetText();
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result = true;
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}
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}
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orgprop->Release();
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//cout << " \nSens:Prop:changed!"; /* need implementation here!!! */
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break;
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}
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default:
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; /* error */
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}
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//the concept of Edge and Level triggering has unwanted effect for KX_PROPSENSOR_CHANGED
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//see Game Engine bugtracker [ #3809 ]
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if (m_checktype != KX_PROPSENSOR_CHANGED)
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{
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m_recentresult=result;
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} else
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{
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m_recentresult=result;//true;
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}
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return result;
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}
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CValue* SCA_PropertySensor::FindIdentifier(const STR_String& identifiername)
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{
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return GetParent()->FindIdentifier(identifiername);
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}
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bool SCA_PropertySensor::validValueForProperty(char *val, STR_String &prop)
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{
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bool result = true;
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/* There is no type checking at this moment, unfortunately... */
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return result;
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}
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/* ------------------------------------------------------------------------- */
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/* Python functions */
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/* ------------------------------------------------------------------------- */
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/* Integration hooks ------------------------------------------------------- */
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PyTypeObject SCA_PropertySensor::Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0,
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"SCA_PropertySensor",
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sizeof(SCA_PropertySensor),
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0,
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PyDestructor,
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0,
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__getattr,
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__setattr,
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0, //&MyPyCompare,
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__repr,
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0, //&cvalue_as_number,
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0,
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0,
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0,
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0
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};
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PyParentObject SCA_PropertySensor::Parents[] = {
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&SCA_PropertySensor::Type,
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&SCA_ISensor::Type,
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&SCA_ILogicBrick::Type,
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&CValue::Type,
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NULL
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};
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PyMethodDef SCA_PropertySensor::Methods[] = {
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{"getType", (PyCFunction) SCA_PropertySensor::sPyGetType, METH_VARARGS, (PY_METHODCHAR)GetType_doc},
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{"setType", (PyCFunction) SCA_PropertySensor::sPySetType, METH_VARARGS, (PY_METHODCHAR)SetType_doc},
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{"getProperty", (PyCFunction) SCA_PropertySensor::sPyGetProperty, METH_VARARGS, (PY_METHODCHAR)GetProperty_doc},
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{"setProperty", (PyCFunction) SCA_PropertySensor::sPySetProperty, METH_VARARGS, (PY_METHODCHAR)SetProperty_doc},
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{"getValue", (PyCFunction) SCA_PropertySensor::sPyGetValue, METH_VARARGS, (PY_METHODCHAR)GetValue_doc},
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{"setValue", (PyCFunction) SCA_PropertySensor::sPySetValue, METH_VARARGS, (PY_METHODCHAR)SetValue_doc},
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{NULL,NULL} //Sentinel
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};
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PyObject* SCA_PropertySensor::_getattr(const STR_String& attr) {
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_getattr_up(SCA_ISensor); /* implicit return! */
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}
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/* 1. getType */
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const char SCA_PropertySensor::GetType_doc[] =
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"getType()\n"
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"\tReturns the type of check this sensor performs.\n";
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PyObject* SCA_PropertySensor::PyGetType(PyObject* self, PyObject* args, PyObject* kwds)
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{
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return PyInt_FromLong(m_checktype);
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}
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/* 2. setType */
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const char SCA_PropertySensor::SetType_doc[] =
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"setType(type)\n"
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"\t- type: KX_PROPSENSOR_EQUAL, KX_PROPSENSOR_NOTEQUAL,\n"
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"\t KX_PROPSENSOR_INTERVAL, KX_PROPSENSOR_CHANGED,\n"
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"\t or KX_PROPSENSOR_EXPRESSION.\n"
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"\tSet the type of check to perform.\n";
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PyObject* SCA_PropertySensor::PySetType(PyObject* self, PyObject* args, PyObject* kwds)
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{
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int typeArg;
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if (!PyArg_ParseTuple(args, "i", &typeArg)) {
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return NULL;
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}
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if ( (typeArg > KX_PROPSENSOR_NODEF)
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&& (typeArg < KX_PROPSENSOR_MAX) ) {
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m_checktype = typeArg;
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}
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Py_Return;
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}
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/* 3. getProperty */
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const char SCA_PropertySensor::GetProperty_doc[] =
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"getProperty()\n"
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"\tReturn the property with which the sensor operates.\n";
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PyObject* SCA_PropertySensor::PyGetProperty(PyObject* self, PyObject* args, PyObject* kwds)
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{
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return PyString_FromString(m_checkpropname);
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}
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/* 4. setProperty */
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const char SCA_PropertySensor::SetProperty_doc[] =
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"setProperty(name)\n"
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"\t- name: string\n"
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"\tSets the property with which to operate. If there is no property\n"
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"\tof this name, the call is ignored.\n";
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PyObject* SCA_PropertySensor::PySetProperty(PyObject* self, PyObject* args, PyObject* kwds)
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{
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/* We should query whether the name exists. Or should we create a prop */
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/* on the fly? */
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char *propNameArg = NULL;
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if (!PyArg_ParseTuple(args, "s", &propNameArg)) {
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return NULL;
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}
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CValue *prop = FindIdentifier(STR_String(propNameArg));
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if (!prop->IsError()) {
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m_checkpropname = propNameArg;
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} else {
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; /* error: bad property name */
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}
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prop->Release();
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Py_Return;
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}
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/* 5. getValue */
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const char SCA_PropertySensor::GetValue_doc[] =
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"getValue()\n"
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"\tReturns the value with which the sensor operates.\n";
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PyObject* SCA_PropertySensor::PyGetValue(PyObject* self, PyObject* args, PyObject* kwds)
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{
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return PyString_FromString(m_checkpropval);
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}
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/* 6. setValue */
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const char SCA_PropertySensor::SetValue_doc[] =
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"setValue(value)\n"
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"\t- value: string\n"
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"\tSet the value with which the sensor operates. If the value\n"
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"\tis not compatible with the type of the property, the subsequent\n"
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"\t action is ignored.\n";
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PyObject* SCA_PropertySensor::PySetValue(PyObject* self, PyObject* args, PyObject* kwds)
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{
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/* Here, we need to check whether the value is 'valid' for this property.*/
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/* We know that the property exists, or is NULL. */
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char *propValArg = NULL;
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if(!PyArg_ParseTuple(args, "s", &propValArg)) {
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return NULL;
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}
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if (validValueForProperty(propValArg, m_checkpropname)) {
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m_checkpropval = propValArg;
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}
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Py_Return;
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}
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/* eof */
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