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Add logic_substring

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MoofEMP 2021-07-21 19:56:39 -04:00
parent 264ee2b04f
commit 22557f3751
1 changed files with 97 additions and 0 deletions
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sp/src/game/server/logic_substring.cpp Normal file
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//====================== By Holly Liberatore / MoofEMP ======================//
//
// Purpose: Takes a string parameter and returns a substring defined by keyvalues
//
//===========================================================================//
#include "cbase.h"
#define SF_SUBSTRING_START_DISABLED (1 << 0)
class CLogicSubstring : public CLogicalEntity
{
public:
DECLARE_CLASS( CLogicSubstring, CLogicalEntity );
DECLARE_DATADESC();
CLogicSubstring( void ) { }
void InputDisable( inputdata_t &inputData );
void InputEnable( inputdata_t &inputData );
void InputInValue( inputdata_t &inputData );
void InputSetLength( inputdata_t &inputData );
void InputSetStartPos( inputdata_t &inputData );
void Spawn(void);
private:
int m_nLength;
int m_nStartPos;
bool m_bEnabled;
COutputString m_OutValue;
};
LINK_ENTITY_TO_CLASS( logic_substring, CLogicSubstring );
BEGIN_DATADESC( CLogicSubstring )
DEFINE_FIELD( m_bEnabled, FIELD_BOOLEAN ),
DEFINE_KEYFIELD(m_nLength, FIELD_INTEGER, "length" ),
DEFINE_KEYFIELD(m_nStartPos, FIELD_INTEGER, "startPos" ),
DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
DEFINE_INPUTFUNC( FIELD_STRING, "InValue", InputInValue ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetLength", InputSetLength ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetStartPos", InputSetStartPos ),
DEFINE_OUTPUT( m_OutValue, "OutValue" ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose: Disable or enable the entity (disabling prevents any input functions from running)
//-----------------------------------------------------------------------------
void CLogicSubstring::InputDisable( inputdata_t &inputData ) { m_bEnabled = false; }
void CLogicSubstring::InputEnable ( inputdata_t &inputData ) { m_bEnabled = true ; }
//-----------------------------------------------------------------------------
// Purpose: Trim substring from input
// Output: Substring
//-----------------------------------------------------------------------------
void CLogicSubstring::InputInValue( inputdata_t &inputData )
{
if( !m_bEnabled ) return;
char* strOutValue = (char*)malloc( m_nLength );
Q_strncpy( strOutValue, inputData.value.String() + m_nStartPos, m_nLength + 1 ); // note length+1 to account for null terminator
m_OutValue.Set( MAKE_STRING(strOutValue), inputData.pActivator, this );
}
//-----------------------------------------------------------------------------
// Purpose: Setter methods for keyvalues
//-----------------------------------------------------------------------------
void CLogicSubstring::InputSetLength( inputdata_t &inputData )
{
if( !m_bEnabled ) return;
m_nLength = inputData.value.Int();
}
void CLogicSubstring::InputSetStartPos( inputdata_t &inputData )
{
if( !m_bEnabled ) return;
m_nStartPos = inputData.value.Int();
}
//-----------------------------------------------------------------------------
// Purpose: Respond to spawnflags when entity spawns
//-----------------------------------------------------------------------------
void CLogicSubstring::Spawn( void )
{
m_bEnabled = !HasSpawnFlags( SF_SUBSTRING_START_DISABLED );
}