forked from valve/halflife-sdk
321 lines
No EOL
8.3 KiB
C++
321 lines
No EOL
8.3 KiB
C++
/***
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*
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* Copyright (c) 1999, 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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// saytext.cpp
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//
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// implementation of CHudSayText class
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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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#include "vgui_TeamFortressViewport.h"
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extern float *GetClientColor( int clientIndex );
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#define MAX_LINES 5
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#define MAX_CHARS_PER_LINE 256 /* it can be less than this, depending on char size */
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// allow 20 pixels on either side of the text
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#define MAX_LINE_WIDTH ( ScreenWidth - 40 )
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#define LINE_START 10
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static float SCROLL_SPEED = 5;
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static char g_szLineBuffer[ MAX_LINES + 1 ][ MAX_CHARS_PER_LINE ];
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static float *g_pflNameColors[ MAX_LINES + 1 ];
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static int g_iNameLengths[ MAX_LINES + 1 ];
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static float flScrollTime = 0; // the time at which the lines next scroll up
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static int Y_START = 0;
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static int line_height = 0;
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DECLARE_MESSAGE( m_SayText, SayText );
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int CHudSayText :: Init( void )
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{
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gHUD.AddHudElem( this );
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HOOK_MESSAGE( SayText );
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InitHUDData();
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CVAR_CREATE( "hud_saytext_time", "5", 0 );
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m_iFlags |= HUD_INTERMISSION; // is always drawn during an intermission
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return 1;
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}
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void CHudSayText :: InitHUDData( void )
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{
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memset( g_szLineBuffer, 0, sizeof g_szLineBuffer );
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memset( g_pflNameColors, 0, sizeof g_pflNameColors );
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memset( g_iNameLengths, 0, sizeof g_iNameLengths );
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}
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int CHudSayText :: VidInit( void )
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{
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return 1;
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}
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int ScrollTextUp( void )
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{
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ConsolePrint( g_szLineBuffer[0] ); // move the first line into the console buffer
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g_szLineBuffer[MAX_LINES][0] = 0;
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memmove( g_szLineBuffer[0], g_szLineBuffer[1], sizeof(g_szLineBuffer) - sizeof(g_szLineBuffer[0]) ); // overwrite the first line
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memmove( &g_pflNameColors[0], &g_pflNameColors[1], sizeof(g_pflNameColors) - sizeof(g_pflNameColors[0]) );
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memmove( &g_iNameLengths[0], &g_iNameLengths[1], sizeof(g_iNameLengths) - sizeof(g_iNameLengths[0]) );
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g_szLineBuffer[MAX_LINES-1][0] = 0;
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if ( g_szLineBuffer[0][0] == ' ' ) // also scroll up following lines
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{
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g_szLineBuffer[0][0] = 2;
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return 1 + ScrollTextUp();
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}
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return 1;
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}
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int CHudSayText :: Draw( float flTime )
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{
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int y = Y_START;
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if ( gViewPort && gViewPort->AllowedToPrintText() == FALSE )
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return 1;
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// make sure the scrolltime is within reasonable bounds, to guard against the clock being reset
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flScrollTime = min( flScrollTime, flTime + SCROLL_SPEED );
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// make sure the scrolltime is within reasonable bounds, to guard against the clock being reset
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flScrollTime = min( flScrollTime, flTime + SCROLL_SPEED );
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if ( flScrollTime <= flTime )
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{
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if ( *g_szLineBuffer[0] )
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{
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flScrollTime = flTime + SCROLL_SPEED;
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// push the console up
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ScrollTextUp();
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}
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else
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{ // buffer is empty, just disable drawing of this section
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m_iFlags &= ~HUD_ACTIVE;
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}
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}
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for ( int i = 0; i < MAX_LINES; i++ )
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{
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if ( *g_szLineBuffer[i] )
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{
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if ( *g_szLineBuffer[i] == 2 && g_pflNameColors[i] )
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{
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// it's a saytext string
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static char buf[MAX_PLAYER_NAME_LENGTH+32];
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// draw the first x characters in the player color
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strncpy( buf, g_szLineBuffer[i], min(g_iNameLengths[i], MAX_PLAYER_NAME_LENGTH+32) );
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buf[ min(g_iNameLengths[i], MAX_PLAYER_NAME_LENGTH+31) ] = 0;
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gEngfuncs.pfnDrawSetTextColor( g_pflNameColors[i][0], g_pflNameColors[i][1], g_pflNameColors[i][2] );
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int x = DrawConsoleString( LINE_START, y, buf );
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// color is reset after each string draw
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DrawConsoleString( x, y, g_szLineBuffer[i] + g_iNameLengths[i] );
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}
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else
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{
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// normal draw
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DrawConsoleString( LINE_START, y, g_szLineBuffer[i] );
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}
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}
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y += line_height;
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}
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return 1;
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}
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int CHudSayText :: MsgFunc_SayText( const char *pszName, int iSize, void *pbuf )
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{
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BEGIN_READ( pbuf, iSize );
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int client_index = READ_BYTE(); // the client who spoke the message
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SayTextPrint( READ_STRING(), iSize - 1, client_index );
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return 1;
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}
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void CHudSayText :: SayTextPrint( const char *pszBuf, int iBufSize, int clientIndex )
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{
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if ( gViewPort && gViewPort->AllowedToPrintText() == FALSE )
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{
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// Print it straight to the console
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ConsolePrint( pszBuf );
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return;
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}
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// find an empty string slot
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for ( int i = 0; i < MAX_LINES; i++ )
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{
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if ( ! *g_szLineBuffer[i] )
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break;
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}
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if ( i == MAX_LINES )
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{
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// force scroll buffer up
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ScrollTextUp();
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i = MAX_LINES - 1;
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}
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g_iNameLengths[i] = 0;
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g_pflNameColors[i] = NULL;
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// if it's a say message, search for the players name in the string
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if ( *pszBuf == 2 && clientIndex > 0 )
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{
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GetPlayerInfo( clientIndex, &g_PlayerInfoList[clientIndex] );
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const char *pName = g_PlayerInfoList[clientIndex].name;
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if ( pName )
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{
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const char *nameInString = strstr( pszBuf, pName );
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if ( nameInString )
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{
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g_iNameLengths[i] = strlen( pName ) + (nameInString - pszBuf);
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g_pflNameColors[i] = GetClientColor( clientIndex );
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}
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}
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}
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strncpy( g_szLineBuffer[i], pszBuf, max(iBufSize -1, MAX_CHARS_PER_LINE-1) );
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// make sure the text fits in one line
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EnsureTextFitsInOneLineAndWrapIfHaveTo( i );
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// Set scroll time
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if ( i == 0 )
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{
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SCROLL_SPEED = CVAR_GET_FLOAT( "hud_saytext_time" );
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flScrollTime = gHUD.m_flTime + SCROLL_SPEED;
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}
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m_iFlags |= HUD_ACTIVE;
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PlaySound( "misc/talk.wav", 1 );
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if ( ScreenHeight >= 480 )
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Y_START = ScreenHeight - 60;
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else
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Y_START = ScreenHeight - 45;
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Y_START -= (line_height * (MAX_LINES+1));
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}
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void CHudSayText :: EnsureTextFitsInOneLineAndWrapIfHaveTo( int line )
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{
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int line_width = 0;
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GetConsoleStringSize( g_szLineBuffer[line], &line_width, &line_height );
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if ( (line_width + LINE_START) > MAX_LINE_WIDTH )
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{ // string is too long to fit on line
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// scan the string until we find what word is too long, and wrap the end of the sentence after the word
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int length = LINE_START;
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int tmp_len = 0;
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char *last_break = NULL;
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for ( char *x = g_szLineBuffer[line]; *x != 0; x++ )
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{
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// check for a color change, if so skip past it
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if ( x[0] == '/' && x[1] == '(' )
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{
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x += 2;
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// skip forward until past mode specifier
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while ( *x != 0 && *x != ')' )
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x++;
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if ( *x != 0 )
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x++;
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if ( *x == 0 )
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break;
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}
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char buf[2];
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buf[1] = 0;
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if ( *x == ' ' && x != g_szLineBuffer[line] ) // store each line break, except for the very first character
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last_break = x;
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buf[0] = *x; // get the length of the current character
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GetConsoleStringSize( buf, &tmp_len, &line_height );
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length += tmp_len;
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if ( length > MAX_LINE_WIDTH )
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{ // needs to be broken up
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if ( !last_break )
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last_break = x-1;
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x = last_break;
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// find an empty string slot
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int j;
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do
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{
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for ( j = 0; j < MAX_LINES; j++ )
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{
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if ( ! *g_szLineBuffer[j] )
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break;
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}
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if ( j == MAX_LINES )
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{
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// need to make more room to display text, scroll stuff up then fix the pointers
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int linesmoved = ScrollTextUp();
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line -= linesmoved;
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last_break = last_break - (sizeof(g_szLineBuffer[0]) * linesmoved);
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}
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}
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while ( j == MAX_LINES );
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// copy remaining string into next buffer, making sure it starts with a space character
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if ( (char)*last_break == (char)' ' )
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{
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int linelen = strlen(g_szLineBuffer[j]);
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int remaininglen = strlen(last_break);
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if ( (linelen - remaininglen) <= MAX_CHARS_PER_LINE )
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strcat( g_szLineBuffer[j], last_break );
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}
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else
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{
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if ( (strlen(g_szLineBuffer[j]) - strlen(last_break) - 2) < MAX_CHARS_PER_LINE )
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{
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strcat( g_szLineBuffer[j], " " );
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strcat( g_szLineBuffer[j], last_break );
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}
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}
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*last_break = 0; // cut off the last string
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EnsureTextFitsInOneLineAndWrapIfHaveTo( j );
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break;
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}
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}
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}
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} |