108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Simple HUD element
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//
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//=============================================================================
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#include "cbase.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 "view.h"
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using namespace vgui;
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#include <vgui_controls/Panel.h>
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#include <vgui_controls/Frame.h>
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#include <vgui/IScheme.h>
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#include <vgui/ISurface.h>
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#include <vgui/ILocalize.h>
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class CHudGameMessage : public CHudElement, public vgui::Panel
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{
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private:
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DECLARE_CLASS_SIMPLE( CHudGameMessage, vgui::Panel );
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public:
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CHudGameMessage( const char *pElementName ) : CHudElement( pElementName ), vgui::Panel( NULL, "HudGameMessage" )
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{
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// Set our parent window
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SetParent( g_pClientMode->GetViewport() );
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m_pIcon = NULL;
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// Never hide
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SetHiddenBits( 0 );
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};
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void Init( void );
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void VidInit( void );
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void Paint( void );
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// Callback function for the "GameMessage" user message
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void MsgFunc_GameMessage( bf_read &msg );
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private:
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CHudTexture *m_pIcon; // Icon texture reference
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wchar_t m_pText[256]; // Unicode text buffer
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float m_flStartTime; // When the message was recevied
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float m_flDuration; // Duration of the message
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};
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DECLARE_HUDELEMENT( CHudGameMessage );
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DECLARE_HUD_MESSAGE( CHudGameMessage, GameMessage );
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void CHudGameMessage::VidInit( void )
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{
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// Store off a reference to our icon
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m_pIcon = gHUD.GetIcon( "message_icon" );
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m_pText[0] = '\0';
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}
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void CHudGameMessage::Init( void )
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{
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HOOK_HUD_MESSAGE( CHudGameMessage, GameMessage );
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}
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void CHudGameMessage::MsgFunc_GameMessage( bf_read &msg )
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{
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// Read in our string
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char szString[256];
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msg.ReadString( szString, sizeof(szString) );
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// Convert it to localize friendly unicode
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g_pVGuiLocalize->ConvertANSIToUnicode( szString, m_pText, sizeof(m_pText) );
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// Setup our time trackers
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m_flStartTime = gpGlobals->curtime;
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m_flDuration = 5.0f;
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}
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void CHudGameMessage::Paint( void )
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{
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if ( !m_pIcon )
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return;
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// Find our fade based on our time shown
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float dt = ( m_flStartTime - gpGlobals->curtime );
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float flAlpha = SimpleSplineRemapVal( dt, 0.0f, m_flDuration, 255, 0 );
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flAlpha = clamp( flAlpha, 0.0f, 255.0f );
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// Draw our icon
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m_pIcon->DrawSelf( 0, 0, 32, 32, Color(255,255,255,flAlpha) );
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// Get our scheme and font information
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vgui::HScheme scheme = vgui::scheme()->GetScheme( "ClientScheme" );
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vgui::HFont hFont = vgui::scheme()->GetIScheme(scheme)->GetFont( "Default" );
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// Draw our text
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surface()->DrawSetTextFont( hFont ); // set the font
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surface()->DrawSetTextColor( 255, 255, 255, flAlpha ); // white
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surface()->DrawSetTextPos( 32, 8 ); // x,y position
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surface()->DrawPrintText( m_pText, wcslen(m_pText) ); // print text
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}
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