blender/source/gameengine/GameLogic/SCA_PropertySensor.cpp
2016-06-19 06:33:29 +10:00

333 lines
7.8 KiB
C++

/*
* Property sensor
*
*
* ***** 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 *****
*/
/** \file gameengine/GameLogic/SCA_PropertySensor.cpp
* \ingroup gamelogic
*/
#include <stddef.h>
#include <iostream>
#include "SCA_PropertySensor.h"
#include "EXP_Operator2Expr.h"
#include "EXP_ConstExpr.h"
#include "EXP_InputParser.h"
#include "EXP_StringValue.h"
#include "SCA_EventManager.h"
#include "SCA_LogicManager.h"
#include "EXP_BoolValue.h"
#include "EXP_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)
{
//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();
Init();
}
void SCA_PropertySensor::Init()
{
m_recentresult = false;
m_lastresult = m_invert?true:false;
m_reset = true;
}
CValue* SCA_PropertySensor::GetReplica()
{
SCA_PropertySensor* replica = new SCA_PropertySensor(*this);
// m_range_expr must be recalculated on replica!
replica->ProcessReplica();
replica->Init();
return replica;
}
bool SCA_PropertySensor::IsPositiveTrigger()
{
bool result = m_recentresult;//CheckPropertyCondition();
if (m_invert)
result = !result;
return result;
}
SCA_PropertySensor::~SCA_PropertySensor()
{
}
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;
/* fall-through */
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 && (orgprop->GetValueType() == VALUE_FLOAT_TYPE)) {
float f;
if (sscanf(m_checkpropval.ReadPtr(), "%f", &f) == 1) {
result = (f == ((CFloatValue *)orgprop)->GetFloat());
}
else {
/* error */
}
}
/* end patch */
}
orgprop->Release();
if (reverse)
result = !result;
break;
}
case KX_PROPSENSOR_EXPRESSION:
{
#if 0
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;
}
}
#endif
break;
}
case KX_PROPSENSOR_INTERVAL:
{
CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
if (!orgprop->IsError())
{
const float min = m_checkpropval.ToFloat();
const float max = m_checkpropmaxval.ToFloat();
float val;
if (orgprop->GetValueType() == VALUE_STRING_TYPE) {
val = orgprop->GetText().ToFloat();
}
else {
val = orgprop->GetNumber();
}
result = (min <= val) && (val <= max);
}
orgprop->Release();
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;
}
case KX_PROPSENSOR_LESSTHAN:
reverse = true;
/* fall-through */
case KX_PROPSENSOR_GREATERTHAN:
{
CValue* orgprop = GetParent()->FindIdentifier(m_checkpropname);
if (!orgprop->IsError())
{
const float ref = m_checkpropval.ToFloat();
float val;
if (orgprop->GetValueType() == VALUE_STRING_TYPE) {
val = orgprop->GetText().ToFloat();
}
else {
val = orgprop->GetNumber();
}
if (reverse) {
result = val < ref;
}
else {
result = val > ref;
}
}
orgprop->Release();
break;
}
default:
; /* error */
}
//the concept of Edge and Level triggering has unwanted effect for KX_PROPSENSOR_CHANGED
//see Game Engine bugtracker [ #3809 ]
m_recentresult = result;
return result;
}
CValue* SCA_PropertySensor::FindIdentifier(const STR_String& identifiername)
{
return GetParent()->FindIdentifier(identifiername);
}
#ifdef WITH_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;
}
/* 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("mode",KX_PROPSENSOR_NODEF,KX_PROPSENSOR_MAX-1,false,SCA_PropertySensor,m_checktype),
KX_PYATTRIBUTE_STRING_RW_CHECK("propName",0,MAX_PROP_NAME,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,validValueForProperty),
KX_PYATTRIBUTE_STRING_RW_CHECK("max",0,100,false,SCA_PropertySensor,m_checkpropmaxval,validValueForProperty),
{ NULL } //Sentinel
};
#endif // WITH_PYTHON
/* eof */