mirror of
https://github.com/alliedmodders/hl2sdk.git
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105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Helper for the CHudElement class to add themselves to the list of hud elements
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "vgui/IVGui.h"
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#include "vgui_controls/MessageMap.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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using namespace vgui;
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// Start with empty list
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CBuildFactoryHelper *CBuildFactoryHelper::m_sHelpers = NULL;
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//-----------------------------------------------------------------------------
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// Purpose: Constructs a panel factory
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// Input : pfnCreate - fn Ptr to a function which generates a panel
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//-----------------------------------------------------------------------------
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CBuildFactoryHelper::CBuildFactoryHelper( char const *className, PANELCREATEFUNC func )
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{
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// Make this fatal
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if ( HasFactory( className ) )
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{
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Error( "CBuildFactoryHelper: Factory for '%s' already exists!!!!\n", className );
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}
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//List is empty, or element belongs at front, insert here
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m_pNext = m_sHelpers;
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m_sHelpers = this;
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Assert( func );
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m_CreateFunc = func;
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Assert( className );
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m_pClassName = className;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns next object in list
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// Output : CBuildFactoryHelper
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//-----------------------------------------------------------------------------
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CBuildFactoryHelper *CBuildFactoryHelper::GetNext( void )
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{
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return m_pNext;
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}
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char const *CBuildFactoryHelper::GetClassName() const
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{
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return m_pClassName;
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}
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vgui::Panel *CBuildFactoryHelper::CreatePanel()
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{
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if ( !m_CreateFunc )
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return NULL;
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return ( *m_CreateFunc )();
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}
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// private static meethod
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bool CBuildFactoryHelper::HasFactory( char const *className )
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{
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CBuildFactoryHelper *p = m_sHelpers;
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while ( p )
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{
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if ( !Q_stricmp( className, p->GetClassName() ) )
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return true;
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p = p->GetNext();
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}
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return false;
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}
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// static method
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vgui::Panel *CBuildFactoryHelper::InstancePanel( char const *className )
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{
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CBuildFactoryHelper *p = m_sHelpers;
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while ( p )
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{
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if ( !Q_stricmp( className, p->GetClassName() ) )
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return p->CreatePanel();
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p = p->GetNext();
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}
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return NULL;
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}
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// static method
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void CBuildFactoryHelper::GetFactoryNames( CUtlVector< char const * >& list )
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{
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list.RemoveAll();
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CBuildFactoryHelper *p = m_sHelpers;
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while ( p )
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{
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list.AddToTail( p->GetClassName() );
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p = p->GetNext();
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}
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}
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