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https://github.com/alliedmodders/hl2sdk.git
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Added most recent version of unmodified HL2 SDK for Episode 1 engine
This commit is contained in:
Scott Ehlert
384
cl_dll/hud_hintdisplay.cpp
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384
cl_dll/hud_hintdisplay.cpp
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "cbase.h"
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#include "hud.h"
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#include "hudelement.h"
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#include "hud_macros.h"
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#include "iclientmode.h"
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#include "vgui_controls/AnimationController.h"
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#include "vgui_controls/Label.h"
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#include "vgui/ILocalize.h"
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#include "vgui/ISurface.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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//-----------------------------------------------------------------------------
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// Purpose: Displays current ammunition level
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//-----------------------------------------------------------------------------
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class CHudHintDisplay : public vgui::Panel, public CHudElement
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{
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DECLARE_CLASS_SIMPLE( CHudHintDisplay, vgui::Panel );
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public:
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CHudHintDisplay( const char *pElementName );
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void Init();
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void Reset();
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void MsgFunc_HintText( bf_read &msg );
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bool ShouldDraw();
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bool SetHintText( const char *text );
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protected:
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virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
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virtual void OnThink();
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private:
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CUtlVector<vgui::Label *> m_Labels;
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vgui::HFont m_hSmallFont, m_hLargeFont;
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char m_szHintText[128];
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int m_iBaseY;
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CPanelAnimationVarAliasType( float, m_iTextX, "text_xpos", "8", "proportional_float" );
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CPanelAnimationVarAliasType( float, m_iTextY, "text_ypos", "8", "proportional_float" );
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CPanelAnimationVarAliasType( float, m_iTextGapX, "text_xgap", "8", "proportional_float" );
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CPanelAnimationVarAliasType( float, m_iTextGapY, "text_ygap", "8", "proportional_float" );
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CPanelAnimationVarAliasType( float, m_iYOffset, "YOffset", "0", "proportional_float" );
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};
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DECLARE_HUDELEMENT( CHudHintDisplay );
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DECLARE_HUD_MESSAGE( CHudHintDisplay, HintText );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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CHudHintDisplay::CHudHintDisplay( const char *pElementName ) : BaseClass(NULL, "HudHintDisplay"), CHudElement( pElementName )
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{
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vgui::Panel *pParent = g_pClientMode->GetViewport();
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SetParent( pParent );
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SetVisible( false );
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m_szHintText[0] = 0;
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SetAlpha( 0 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHintDisplay::Init()
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{
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HOOK_HUD_MESSAGE( CHudHintDisplay, HintText );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHintDisplay::Reset()
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{
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SetHintText( NULL );
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SetAlpha( 0 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHintDisplay::ApplySchemeSettings( vgui::IScheme *pScheme )
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{
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m_hSmallFont = pScheme->GetFont( "HudHintTextSmall", true );
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m_hLargeFont = pScheme->GetFont( "HudHintTextLarge", true );
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BaseClass::ApplySchemeSettings( pScheme );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Save CPU cycles by letting the HUD system early cull
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// costly traversal. Called per frame, return true if thinking and
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// painting need to occur.
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//-----------------------------------------------------------------------------
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bool CHudHintDisplay::ShouldDraw( void )
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{
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return ( ( GetAlpha() > 0 ) && CHudElement::ShouldDraw() );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Updates the label color each frame
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//-----------------------------------------------------------------------------
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void CHudHintDisplay::OnThink()
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{
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for (int i = 0; i < m_Labels.Count(); i++)
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{
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if ( IsXbox() && 0 != ( i & 1 ) )
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{
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// Don't change the fg color for buttons (even numbered labels)
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m_Labels[i]->SetAlpha( GetFgColor().a() );
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}
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else
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{
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m_Labels[i]->SetFgColor(GetFgColor());
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}
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}
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int ox, oy;
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GetPos(ox, oy);
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SetPos( ox, m_iBaseY + m_iYOffset );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets the hint text, replacing variables as necessary
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//-----------------------------------------------------------------------------
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bool CHudHintDisplay::SetHintText( const char *text )
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{
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// clear the existing text
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for (int i = 0; i < m_Labels.Count(); i++)
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{
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m_Labels[i]->MarkForDeletion();
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}
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m_Labels.RemoveAll();
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if ( !text )
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{
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m_szHintText[0] = 0;
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return false;
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}
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strcpy( m_szHintText, text );
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// look up the text string
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wchar_t *ws = vgui::localize()->Find( text );
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if ( !ws || wcslen(ws) <= 0)
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return false;
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// parse out the text into a label set
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while ( *ws )
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{
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wchar_t token[64];
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bool isVar = false;
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// check for variables
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if ( *ws == '%' )
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{
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isVar = true;
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++ws;
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}
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// parse out the string
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wchar_t *end = wcschr( ws, '%' );
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if ( end )
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{
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wcsncpy( token, ws, end - ws );
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token[end - ws] = 0;
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}
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else
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{
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wcscpy( token, ws );
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}
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ws += wcslen( token );
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if ( isVar )
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{
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// move over the end of the variable
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++ws;
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}
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// put it in a label
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vgui::Label *label = vgui::SETUP_PANEL(new vgui::Label(this, NULL, token));
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bool bIsBitmap = false;
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// modify the label if necessary
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if ( isVar )
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{
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label->SetFont( m_hLargeFont );
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// lookup key names
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char binding[64];
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vgui::localize()->ConvertUnicodeToANSI( token, binding, sizeof(binding) );
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const char *key = engine->Key_LookupBinding( *binding == '+' ? binding + 1 : binding );
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if ( !key )
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{
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key = "< not bound >";
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}
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//!! change some key names into better names
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char friendlyName[64];
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Q_snprintf( friendlyName, sizeof(friendlyName), "#%s", key );
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Q_strupr( friendlyName );
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// set the variable text - key may need to be localized (button images for example)
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wchar_t *locName = vgui::localize()->Find( friendlyName );
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if ( !locName || wcslen(locName) <= 0)
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{
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label->SetText( friendlyName + 1 );
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}
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else
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{
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// Assuming localized vars must be using a bitmap image. *May* not be the case, but since
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// keyboard bindings have never been locaized in the past, they probably won't in the future either.
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bIsBitmap = true;
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label->SetText( locName );
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}
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}
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else
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{
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label->SetFont( m_hSmallFont );
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}
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label->SetPaintBackgroundEnabled( false );
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label->SetPaintBorderEnabled( false );
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label->SizeToContents();
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label->SetContentAlignment( vgui::Label::a_west );
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if ( bIsBitmap && isVar )
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{
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// Don't change the color of the button art
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label->SetFgColor( Color(255,255,255,255) );
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}
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else
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{
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label->SetFgColor( GetFgColor() );
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}
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m_Labels.AddToTail( vgui::SETUP_PANEL(label) );
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}
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// find the bounds we need to show
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int widest1 = 0, widest2 = 0;
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for (int i = 0; i < m_Labels.Count(); i++)
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{
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vgui::Label *label = m_Labels[i];
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if (i & 1)
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{
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// help text
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if (label->GetWide() > widest2)
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{
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widest2 = label->GetWide();
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}
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}
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else
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{
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// variable
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if (label->GetWide() > widest1)
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{
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widest1 = label->GetWide();
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}
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}
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}
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int tallest1 = 0, tallest2 = 0;
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for (int i = 0; i < m_Labels.Count(); i++)
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{
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vgui::Label *label = m_Labels[i];
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if (i & 1)
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{
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// help text
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if (label->GetTall() > tallest2)
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{
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tallest2 = label->GetTall();
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}
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}
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else
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{
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// variable
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if (label->GetTall() > tallest1)
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{
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tallest1 = label->GetTall();
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}
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}
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}
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int tallest = max( tallest1, tallest2 );
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// position the labels
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int col1_x = m_iTextX;
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int col2_x = m_iTextX + widest1 + m_iTextGapX;
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int col_y = m_iTextY;
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// Difference between the variable and the help text
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int col_y_extra = ( (tallest1 - tallest2) / 2 );
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if ( col_y_extra < 0 )
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{
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// text is taller than the variable (multi-line text).
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// Push the variable's y down by subtracting the negative value.
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col_y -= col_y_extra;
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}
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for (int i = 0; i < m_Labels.Count(); i++)
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{
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vgui::Label *label = m_Labels[i];
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if (i & 1)
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{
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label->SetPos( col2_x, col_y + col_y_extra );
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col_y += tallest;
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col_y += m_iTextGapY;
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}
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else
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{
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// variable
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label->SetPos( col1_x, col_y );
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}
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}
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// move ourselves relative to our start position
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int newWide = col2_x + widest2 + m_iTextX;
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int newTall = col_y;
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int ox, oy;
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GetPos(ox, oy);
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if (IsRightAligned())
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{
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int oldWide = GetWide();
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int diff = newWide - oldWide;
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ox -= diff;
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}
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if (IsBottomAligned())
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{
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int oldTall = GetTall();
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int diff = newTall - oldTall;
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oy -= diff;
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}
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// set the size of the hint panel to fit
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SetPos( ox, oy );
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SetSize( newWide, newTall );
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m_iBaseY = oy;
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Activates the hint display
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//-----------------------------------------------------------------------------
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void CHudHintDisplay::MsgFunc_HintText( bf_read &msg )
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{
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// how many strings do we receive ?
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int count = msg.ReadByte();
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// here we expect only one string
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if ( count != 1 )
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{
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DevMsg("CHudHintDisplay::MsgFunc_HintText: string count != 1.\n");
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return;
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}
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// read the string
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char szString[2048];
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msg.ReadString( szString, sizeof(szString) );
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// make it visible
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if ( SetHintText( szString ) )
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{
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SetVisible( true );
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g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HintMessageShow" );
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}
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else
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{
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// it's being cleared, hide the panel
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g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HintMessageHide" );
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}
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}
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