source-engine/game/client/sdk/sdk_hud_message.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

108 lines
2.7 KiB
C++

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