blender/source/gameengine/Expressions/FloatValue.cpp
Campbell Barton 5553d2c014 BGE C++ API
PyObjectPlus::ProcessReplica() is now called when any of its subclasses are replicated.

This is important because PyObjectPlus::ProcessReplica() NULL's the 'm_proxy' python pointer I added recently.
Without this a replicated subclass of PyObjectPlus could have an invalid pointer (crashing the BGE).

This change also means CValue::AddDataToReplica() can be moved into CValue::ProcessReplica() since ProcessReplica is always called.
2009-04-22 14:42:00 +00:00

323 lines
7.1 KiB
C++

// FloatValue.cpp: implementation of the CFloatValue class.
/*
* Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Erwin Coumans makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#include "FloatValue.h"
#include "IntValue.h"
#include "StringValue.h"
#include "BoolValue.h"
#include "ErrorValue.h"
#include "VoidValue.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CFloatValue::CFloatValue()
/*
pre: false
effect: constructs a new CFloatValue
*/
{
m_pstrRep=NULL;
}
CFloatValue::CFloatValue(float fl)
/*
pre:
effect: constructs a new CFloatValue containing value fl
*/
{
m_float = fl;
m_pstrRep=NULL;
}
CFloatValue::CFloatValue(float fl,STR_String name,AllocationTYPE alloctype)
/*
pre:
effect: constructs a new CFloatValue containing value fl
*/
{
m_float = fl;
SetName(name);
if (alloctype==CValue::STACKVALUE)
{
CValue::DisableRefCount();
}
m_pstrRep=NULL;
}
CFloatValue::~CFloatValue()
/*
pre:
effect: deletes the object
*/
{
if (m_pstrRep)
delete m_pstrRep;
}
CValue* CFloatValue::Calc(VALUE_OPERATOR op, CValue *val)
/*
pre:
ret: a new object containing the result of applying operator op to this
object and val
*/
{
//return val->CalcFloat(op, this);
switch (op)
{
case VALUE_POS_OPERATOR:
return new CFloatValue (m_float);
break;
case VALUE_NEG_OPERATOR:
return new CFloatValue (-m_float);
break;
case VALUE_NOT_OPERATOR:
return new CErrorValue (op2str(op) + "only allowed on booleans");
break;
case VALUE_AND_OPERATOR:
case VALUE_OR_OPERATOR:
return new CErrorValue(val->GetText() + op2str(op) + "only allowed on booleans");
break;
default:
return val->CalcFinal(VALUE_FLOAT_TYPE, op, this);
break;
}
}
CValue* CFloatValue::CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue *val)
/*
pre: the type of val is dtype
ret: a new object containing the result of applying operator op to val and
this object
*/
{
CValue *ret;
switch(dtype)
{
case VALUE_INT_TYPE:
{
switch (op)
{
case VALUE_MOD_OPERATOR:
ret = new CFloatValue(fmod(((CIntValue *) val)->GetInt(), m_float));
break;
case VALUE_ADD_OPERATOR:
ret = new CFloatValue(((CIntValue *) val)->GetInt() + m_float);
break;
case VALUE_SUB_OPERATOR:
ret = new CFloatValue(((CIntValue *) val)->GetInt() - m_float);
break;
case VALUE_MUL_OPERATOR:
ret = new CFloatValue(((CIntValue *) val)->GetInt() * m_float);
break;
case VALUE_DIV_OPERATOR:
if (m_float == 0)
ret = new CErrorValue("Division by zero");
else
ret = new CFloatValue (((CIntValue *) val)->GetInt() / m_float);
break;
case VALUE_EQL_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() == m_float);
break;
case VALUE_NEQ_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() != m_float);
break;
case VALUE_GRE_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() > m_float);
break;
case VALUE_LES_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() < m_float);
break;
case VALUE_GEQ_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() >= m_float);
break;
case VALUE_LEQ_OPERATOR:
ret = new CBoolValue(((CIntValue *) val)->GetInt() <= m_float);
break;
default:
ret = new CErrorValue("illegal operator. please send a bug report.");
break;
}
break;
}
case VALUE_EMPTY_TYPE:
case VALUE_FLOAT_TYPE:
{
switch (op)
{
case VALUE_MOD_OPERATOR:
ret = new CFloatValue(fmod(((CFloatValue *) val)->GetFloat(), m_float));
break;
case VALUE_ADD_OPERATOR:
ret = new CFloatValue(((CFloatValue *) val)->GetFloat() + m_float);
break;
case VALUE_SUB_OPERATOR:
ret = new CFloatValue(((CFloatValue *) val)->GetFloat() - m_float);
break;
case VALUE_MUL_OPERATOR:
ret = new CFloatValue(((CFloatValue *) val)->GetFloat() * m_float);
break;
case VALUE_DIV_OPERATOR:
if (m_float == 0)
ret = new CErrorValue("Division by zero");
else
ret = new CFloatValue (((CFloatValue *) val)->GetFloat() / m_float);
break;
case VALUE_EQL_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() == m_float);
break;
case VALUE_NEQ_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() != m_float);
break;
case VALUE_GRE_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() > m_float);
break;
case VALUE_LES_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() < m_float);
break;
case VALUE_GEQ_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() >= m_float);
break;
case VALUE_LEQ_OPERATOR:
ret = new CBoolValue(((CFloatValue *) val)->GetFloat() <= m_float);
break;
case VALUE_NEG_OPERATOR:
ret = new CFloatValue (-m_float);
break;
case VALUE_POS_OPERATOR:
ret = new CFloatValue (m_float);
break;
default:
ret = new CErrorValue("illegal operator. please send a bug report.");
break;
}
break;
}
case VALUE_STRING_TYPE:
{
switch(op)
{
case VALUE_ADD_OPERATOR:
ret = new CStringValue(val->GetText() + GetText(),"");
break;
case VALUE_EQL_OPERATOR:
case VALUE_NEQ_OPERATOR:
case VALUE_GRE_OPERATOR:
case VALUE_LES_OPERATOR:
case VALUE_GEQ_OPERATOR:
case VALUE_LEQ_OPERATOR:
ret = new CErrorValue("[Cannot compare string with float]" + op2str(op) + GetText());
break;
default:
ret = new CErrorValue("[operator not allowed on strings]" + op2str(op) + GetText());
break;
}
break;
}
case VALUE_BOOL_TYPE:
ret = new CErrorValue("[operator not valid on boolean and float]" + op2str(op) + GetText());
break;
case VALUE_ERROR_TYPE:
ret = new CErrorValue(val->GetText() + op2str(op) + GetText());
break;
default:
ret = new CErrorValue("illegal type. contact your dealer (if any)");
break;
}
return ret;
}
void CFloatValue::SetFloat(float fl)
{
m_float = fl;
SetModified(true);
}
float CFloatValue::GetFloat()
/*
pre:
ret: the float stored in the object
*/
{
return m_float;
}
double CFloatValue::GetNumber()
{
return m_float;
}
void CFloatValue::SetValue(CValue* newval)
{
m_float = (float)newval->GetNumber();
SetModified(true);
}
const STR_String & CFloatValue::GetText()
{
if (!m_pstrRep)
m_pstrRep = new STR_String();
m_pstrRep->Format("%f",m_float);
return *m_pstrRep;
}
CValue* CFloatValue::GetReplica()
{
CFloatValue* replica = new CFloatValue(*this);
replica->m_pstrRep = NULL; /* should be in CFloatValue::ProcessReplica() but its not defined, no matter */
replica->ProcessReplica();
return replica;
}
PyObject* CFloatValue::ConvertValueToPython()
{
return PyFloat_FromDouble(m_float);
}