Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef DMVAR_H
#define DMVAR_H
#ifdef _WIN32
#pragma once
#endif
class CDmAttribute;
//-----------------------------------------------------------------------------
// Helper template for external attributes
//-----------------------------------------------------------------------------
template< typename T >
class CDmaVar
{
typedef typename CDmAttributeInfo< T >::StorageType_t D;
public:
CDmaVar( );
// Setup to be used in OnConstruction methods of DmElements
void Init( CDmElement *pOwner, const char *pAttributeName, int flags = 0 );
void InitAndSet( CDmElement *pOwner, const char *pAttributeName, const T &value, int flags = 0 );
// Set/get
const T& Set( const T &val );
const T& Get() const;
// Cast operators
operator const T&() const;
const T* operator->() const;
// Assignment operator
const CDmaVar<T>& operator=( const CDmaVar<T>& src );
// Math utility operations
const T& operator=( const T &val );
const T& operator+=( const T &val );
const T& operator-=( const T &val );
const T& operator/=( const T &val );
const T& operator*=( const T &val );
const T& operator^=( const T &val );
const T& operator|=( const T &val );
const T& operator&=( const T &val );
T operator++();
T operator--();
T operator++( int ); // postfix version..
T operator--( int ); // postfix version..
// Returns the attribute associated with the var
CDmAttribute *GetAttribute();
const CDmAttribute *GetAttribute() const;
// Is the attribute dirty?
bool IsDirty() const;
protected:
const T& Value() const;
T& Value();
const D& Storage() const;
D& Storage();
private:
D m_Storage;
protected:
CDmAttribute *m_pAttribute;
};
//-----------------------------------------------------------------------------
// Specialization for string
//-----------------------------------------------------------------------------
class CDmaString : public CDmaVar< CUtlString >
{
public:
const char *Get( ) const;
operator const char*() const;
void Set( const char *pValue );
CDmaString &operator=( const char *src );
const CDmaString& operator=( const CDmaString& src );
// Returns strlen
int Length() const;
};
#endif // DMVAR_H