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MOTD.cpp
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MOTD.cpp
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/***
*
* Copyright (c) 1999, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
//
// MOTD.cpp
//
// for displaying a server-sent message of the day
//
#include "hud.h"
#include "cl_util.h"
#include "parsemsg.h"
#include <string.h>
#include <stdio.h>
//DECLARE_MESSAGE( m_MOTD, MOTD );
int CHudMOTD::MOTD_DISPLAY_TIME;
int CHudMOTD :: Init( void )
{
gHUD.AddHudElem( this );
// HOOK_MESSAGE( MOTD );
CVAR_CREATE( "motd_display_time", "15", 0 );
m_iFlags &= ~HUD_ACTIVE; // start out inactive
m_szMOTD[0] = 0;
return 1;
}
int CHudMOTD :: VidInit( void )
{
// Load sprites here
return 1;
}
void CHudMOTD :: Reset( void )
{
m_iFlags &= ~HUD_ACTIVE; // start out inactive
m_szMOTD[0] = 0;
m_iLines = 0;
m_flActiveRemaining = 0;
}
#define LINE_HEIGHT 13
int CHudMOTD :: Draw( float fTime )
{
static float sfLastTime;
float fElapsed;
// Draw MOTD line-by-line
if ( m_flActiveRemaining <= 0.0 )
{
// finished with MOTD, disable it
m_szMOTD[0] = 0;
m_iLines = 0;
m_iFlags &= ~HUD_ACTIVE;
m_flActiveRemaining = 0.0;
return 1;
}
fElapsed = gHUD.m_flTime - sfLastTime;
// Don't let time go negative ( level transition? )
fElapsed = max( 0.0, fElapsed );
// Don't let time go hugely positive ( first connection to active server ? )
fElapsed = min( 1.0, fElapsed );
// Remember last timestamp
sfLastTime = gHUD.m_flTime;
// Remove a bit of time
m_flActiveRemaining -= fElapsed;
// find the top of where the MOTD should be drawn, so the whole thing is centered in the screen
int ypos = max(((ScreenHeight - (m_iLines * LINE_HEIGHT)) / 2) - 40, 30 ); // shift it up slightly
char *ch = m_szMOTD;
while ( *ch )
{
int line_length = 0; // count the length of the current line
for ( char *next_line = ch; *next_line != '\n' && *next_line != 0; next_line++ )
line_length += gHUD.m_scrinfo.charWidths[ *next_line ];
char *top = next_line;
if ( *top == '\n' )
*top = 0;
else
top = NULL;
// find where to start drawing the line
int xpos = (ScreenWidth - line_length) / 2;
gHUD.DrawHudString( xpos, ypos, ScreenWidth, ch, 255, 180, 0 );
ypos += LINE_HEIGHT;
if ( top ) // restore
*top = '\n';
ch = next_line;
if ( *ch == '\n' )
ch++;
if ( ypos > (ScreenHeight - 20) )
break; // don't let it draw too low
}
return 1;
}
int CHudMOTD :: MsgFunc_MOTD( const char *pszName, int iSize, void *pbuf )
{
if ( m_iFlags & HUD_ACTIVE )
{
Reset(); // clear the current MOTD in prep for this one
}
BEGIN_READ( pbuf, iSize );
int is_finished = READ_BYTE();
strcat( m_szMOTD, READ_STRING() );
if ( is_finished )
{
m_iFlags |= HUD_ACTIVE;
MOTD_DISPLAY_TIME = max( 10, CVAR_GET_FLOAT( "motd_display_time" ) );
m_flActiveRemaining = MOTD_DISPLAY_TIME;
for ( char *sz = m_szMOTD; *sz != 0; sz++ ) // count the number of lines in the MOTD
{
if ( *sz == '\n' )
m_iLines++;
}
}
return 1;
}