mirror of
https://github.com/shawns-valve/halflife.git
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155 lines
3.3 KiB
C++
155 lines
3.3 KiB
C++
/***
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*
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* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
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*
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* This product contains software technology licensed from Id
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
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* All Rights Reserved.
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*
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* Use, distribution, and modification of this source code and/or resulting
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* object code is restricted to non-commercial enhancements to products from
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* Valve LLC. All other use, distribution, or modification is prohibited
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* without written permission from Valve LLC.
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*
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****/
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//
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// MOTD.cpp
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//
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// for displaying a server-sent message of the day
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//
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#include "hud.h"
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#include "cl_util.h"
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#include "parsemsg.h"
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#include <string.h>
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#include <stdio.h>
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DECLARE_MESSAGE( m_MOTD, MOTD );
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int CHudMOTD::MOTD_DISPLAY_TIME;
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int CHudMOTD :: Init( void )
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{
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gHUD.AddHudElem( this );
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HOOK_MESSAGE( MOTD );
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CVAR_CREATE( "motd_display_time", "15", 0 );
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m_iFlags &= ~HUD_ACTIVE; // start out inactive
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m_szMOTD[0] = 0;
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return 1;
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}
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int CHudMOTD :: VidInit( void )
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{
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// Load sprites here
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return 1;
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}
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void CHudMOTD :: Reset( void )
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{
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m_iFlags &= ~HUD_ACTIVE; // start out inactive
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m_szMOTD[0] = 0;
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m_iLines = 0;
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m_flActiveRemaining = 0;
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}
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#define LINE_HEIGHT 13
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int CHudMOTD :: Draw( float fTime )
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{
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static float sfLastTime;
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float fElapsed;
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// Draw MOTD line-by-line
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if ( m_flActiveRemaining <= 0.0 )
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{
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// finished with MOTD, disable it
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m_szMOTD[0] = 0;
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m_iLines = 0;
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m_iFlags &= ~HUD_ACTIVE;
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m_flActiveRemaining = 0.0;
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return 1;
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}
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fElapsed = gHUD.m_flTime - sfLastTime;
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// Don't let time go negative ( level transition? )
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fElapsed = max( 0.0, fElapsed );
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// Don't let time go hugely positive ( first connection to active server ? )
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fElapsed = min( 1.0, fElapsed );
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// Remember last timestamp
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sfLastTime = gHUD.m_flTime;
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// Remove a bit of time
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m_flActiveRemaining -= fElapsed;
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// find the top of where the MOTD should be drawn, so the whole thing is centered in the screen
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int ypos = max(((ScreenHeight - (m_iLines * LINE_HEIGHT)) / 2) - 40, 30 ); // shift it up slightly
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char *ch = m_szMOTD;
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while ( *ch )
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{
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int line_length = 0; // count the length of the current line
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for ( char *next_line = ch; *next_line != '\n' && *next_line != 0; next_line++ )
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line_length += gHUD.m_scrinfo.charWidths[ *next_line ];
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char *top = next_line;
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if ( *top == '\n' )
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*top = 0;
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else
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top = NULL;
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// find where to start drawing the line
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int xpos = (ScreenWidth - line_length) / 2;
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gHUD.DrawHudString( xpos, ypos, ScreenWidth, ch, 255, 180, 0 );
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ypos += LINE_HEIGHT;
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if ( top ) // restore
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*top = '\n';
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ch = next_line;
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if ( *ch == '\n' )
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ch++;
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if ( ypos > (ScreenHeight - 20) )
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break; // don't let it draw too low
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}
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return 1;
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}
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int CHudMOTD :: MsgFunc_MOTD( const char *pszName, int iSize, void *pbuf )
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{
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if ( m_iFlags & HUD_ACTIVE )
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{
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Reset(); // clear the current MOTD in prep for this one
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}
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BEGIN_READ( pbuf, iSize );
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int is_finished = READ_BYTE();
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strcat( m_szMOTD, READ_STRING() );
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if ( is_finished )
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{
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m_iFlags |= HUD_ACTIVE;
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MOTD_DISPLAY_TIME = max( 10, CVAR_GET_FLOAT( "motd_display_time" ) );
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m_flActiveRemaining = MOTD_DISPLAY_TIME;
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for ( char *sz = m_szMOTD; *sz != 0; sz++ ) // count the number of lines in the MOTD
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{
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if ( *sz == '\n' )
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m_iLines++;
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}
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}
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return 1;
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}
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