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This commit is contained in:
Joseph Eagar
2010-09-04 19:04:36 +00:00
parent 2ff53caef2
commit da42a340b5
584 changed files with 0 additions and 141044 deletions
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383
source/gameengine/GameLogic/SCA_PropertySensor.cpp
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/**
* Property sensor
*
* $Id$
*
* ***** 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 <iostream>
#include "SCA_PropertySensor.h"
#include "Operator2Expr.h"
#include "ConstExpr.h"
#include "InputParser.h"
#include "StringValue.h"
#include "SCA_EventManager.h"
#include "SCA_LogicManager.h"
#include "BoolValue.h"
#include "FloatValue.h"
#include <stdio.h>
SCA_PropertySensor::SCA_PropertySensor(SCA_EventManager* eventmgr,
SCA_IObject* gameobj,
const STR_String& propname,
const STR_String& propval,
const STR_String& propmaxval,
KX_PROPSENSOR_TYPE checktype)
: SCA_ISensor(gameobj,eventmgr),
m_checktype(checktype),
m_checkpropval(propval),
m_checkpropmaxval(propmaxval),
m_checkpropname(propname),
m_range_expr(NULL)
{
//CParser pars;
//pars.SetContext(this->AddRef());
//CValue* resultval = m_rightexpr->Calculate();
CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
if (!orgprop->IsError())
{
m_previoustext = orgprop->GetText();
}
orgprop->Release();
if (m_checktype==KX_PROPSENSOR_INTERVAL)
{
PrecalculateRangeExpression();
}
Init();
}
void SCA_PropertySensor::Init()
{
m_recentresult = false;
m_lastresult = m_invert?true:false;
m_reset = true;
}
void SCA_PropertySensor::PrecalculateRangeExpression()
{
CParser pars;
//The context is needed to retrieve the property at runtime but it creates
//loop of references
pars.SetContext(this->AddRef());
STR_String checkstr = "(" + m_checkpropval + " <= "
+ m_checkpropname + ") && ( "
+ m_checkpropname + " <= "
+ m_checkpropmaxval + ")";
m_range_expr = pars.ProcessText(checkstr);
}
// Forced deletion of precalculated range expression to break reference loop
// Use this function when you know that you won't use the sensor anymore
void SCA_PropertySensor::Delete()
{
if (m_range_expr)
{
m_range_expr->Release();
m_range_expr = NULL;
}
Release();
}
CValue* SCA_PropertySensor::GetReplica()
{
SCA_PropertySensor* replica = new SCA_PropertySensor(*this);
// m_range_expr must be recalculated on replica!
replica->ProcessReplica();
replica->Init();
replica->m_range_expr = NULL;
if (replica->m_checktype==KX_PROPSENSOR_INTERVAL)
{
replica->PrecalculateRangeExpression();
}
return replica;
}
bool SCA_PropertySensor::IsPositiveTrigger()
{
bool result = m_recentresult;//CheckPropertyCondition();
if (m_invert)
result = !result;
return result;
}
SCA_PropertySensor::~SCA_PropertySensor()
{
//if (m_rightexpr)
// m_rightexpr->Release();
if (m_range_expr)
{
m_range_expr->Release();
m_range_expr=NULL;
}
}
bool SCA_PropertySensor::Evaluate()
{
bool result = CheckPropertyCondition();
bool reset = m_reset && m_level;
m_reset = false;
if (m_lastresult!=result)
{
m_lastresult = result;
return true;
}
return (reset) ? true : false;
}
bool SCA_PropertySensor::CheckPropertyCondition()
{
m_recentresult=false;
bool result=false;
bool reverse = false;
switch (m_checktype)
{
case KX_PROPSENSOR_NOTEQUAL:
reverse = true;
case KX_PROPSENSOR_EQUAL:
{
CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
if (!orgprop->IsError())
{
const STR_String& testprop = orgprop->GetText();
// Force strings to upper case, to avoid confusion in
// bool tests. It's stupid the prop's identity is lost
// on the way here...
if ((&testprop == &CBoolValue::sTrueString) || (&testprop == &CBoolValue::sFalseString)) {
m_checkpropval.Upper();
}
result = (testprop == m_checkpropval);
/* Patch: floating point values cant use strings usefully since you can have "0.0" == "0.0000"
* this could be made into a generic Value class function for comparing values with a string.
*/
if(result==false && dynamic_cast<CFloatValue *>(orgprop) != NULL) {
float f;
if(EOF == sscanf(m_checkpropval.ReadPtr(), "%f", &f))
{
//error
}
else {
result = (f == ((CFloatValue *)orgprop)->GetFloat());
}
}
/* end patch */
}
orgprop->Release();
if (reverse)
result = !result;
break;
}
case KX_PROPSENSOR_EXPRESSION:
{
/*
if (m_rightexpr)
{
CValue* resultval = m_rightexpr->Calculate();
if (resultval->IsError())
{
int i=0;
STR_String errortest = resultval->GetText();
printf(errortest);
} else
{
result = resultval->GetNumber() != 0;
}
}
*/
break;
}
case KX_PROPSENSOR_INTERVAL:
{
//CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
//if (orgprop)
//{
if (m_range_expr)
{
CValue* vallie = m_range_expr->Calculate();
if (vallie)
{
const STR_String& errtext = vallie->GetText();
if (&errtext == &CBoolValue::sTrueString)
{
result = true;
} else
{
if (vallie->IsError())
{
//printf (errtext.ReadPtr());
}
}
vallie->Release();
}
}
//}
//cout << " \nSens:Prop:interval!"; /* need implementation here!!! */
break;
}
case KX_PROPSENSOR_CHANGED:
{
CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
if (!orgprop->IsError())
{
if (m_previoustext != orgprop->GetText())
{
m_previoustext = orgprop->GetText();
result = true;
}
}
orgprop->Release();
//cout << " \nSens:Prop:changed!"; /* need implementation here!!! */
break;
}
default:
; /* error */
}
//the concept of Edge and Level triggering has unwanted effect for KX_PROPSENSOR_CHANGED
//see Game Engine bugtracker [ #3809 ]
if (m_checktype != KX_PROPSENSOR_CHANGED)
{
m_recentresult=result;
} else
{
m_recentresult=result;//true;
}
return result;
}
CValue* SCA_PropertySensor::FindIdentifier(const STR_String& identifiername)
{
return GetParent()->FindIdentifier(identifiername);
}
#ifndef DISABLE_PYTHON
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
int SCA_PropertySensor::validValueForProperty(void *self, const PyAttributeDef*)
{
/* If someone actually do type checking please make sure the 'max' and 'min'
are checked as well (currently they are calling the PrecalculateRangeExpression
function directly */
/* There is no type checking at this moment, unfortunately... */
return 0;
}
int SCA_PropertySensor::validValueForIntervalProperty(void *self, const PyAttributeDef*)
{
SCA_PropertySensor* sensor = reinterpret_cast<SCA_PropertySensor*>(self);
if (sensor->m_checktype==KX_PROPSENSOR_INTERVAL)
{
sensor->PrecalculateRangeExpression();
}
return 0;
}
int SCA_PropertySensor::modeChange(void *self, const PyAttributeDef* attrdef)
{
SCA_PropertySensor* sensor = reinterpret_cast<SCA_PropertySensor*>(self);
if (sensor->m_checktype==KX_PROPSENSOR_INTERVAL)
{
sensor->PrecalculateRangeExpression();
}
return 0;
}
/* Integration hooks ------------------------------------------------------- */
PyTypeObject SCA_PropertySensor::Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"SCA_PropertySensor",
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_ISensor::Type,
0,0,0,0,0,0,
py_base_new
};
PyMethodDef SCA_PropertySensor::Methods[] = {
{NULL,NULL} //Sentinel
};
PyAttributeDef SCA_PropertySensor::Attributes[] = {
KX_PYATTRIBUTE_INT_RW_CHECK("mode",KX_PROPSENSOR_NODEF,KX_PROPSENSOR_MAX-1,false,SCA_PropertySensor,m_checktype,modeChange),
KX_PYATTRIBUTE_STRING_RW_CHECK("propName",0,100,false,SCA_PropertySensor,m_checkpropname,CheckProperty),
KX_PYATTRIBUTE_STRING_RW_CHECK("value",0,100,false,SCA_PropertySensor,m_checkpropval,validValueForProperty),
KX_PYATTRIBUTE_STRING_RW_CHECK("min",0,100,false,SCA_PropertySensor,m_checkpropval,validValueForIntervalProperty),
KX_PYATTRIBUTE_STRING_RW_CHECK("max",0,100,false,SCA_PropertySensor,m_checkpropmaxval,validValueForIntervalProperty),
{ NULL } //Sentinel
};
#endif // DISABLE_PYTHON
/* eof */