250 lines
7.1 KiB
C++
250 lines
7.1 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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// text_message.cpp
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//
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// implementation of CHudTextMessage class
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//
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// this class routes messages through titles.txt for localisation
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//
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#include "hud.h"
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#include "cl_util.h"
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#include <string.h>
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#include <stdio.h>
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#include "parsemsg.h"
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#include "vgui_parser.h"
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#include "ctype.h"
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DECLARE_MESSAGE( m_TextMessage, TextMsg );
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int CHudTextMessage::Init(void)
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{
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HOOK_MESSAGE( TextMsg );
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gHUD.AddHudElem( this );
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Reset();
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return 1;
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};
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// Searches through the string for any msg names (indicated by a '#')
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// any found are looked up in titles.txt and the new message substituted
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// the new value is pushed into dst_buffer
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char *CHudTextMessage::LocaliseTextString( const char *msg, char *dst_buffer, int buffer_size )
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{
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char *dst = dst_buffer;
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for ( char *src = (char*)msg; *src != 0 && buffer_size > 0; buffer_size-- )
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{
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if ( *src == '#' )
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{
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// cut msg name out of string
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static char word_buf[255];
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char *wdst = word_buf, *word_start = src;
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for ( ++src ; (*src >= 'A' && *src <= 'z') || (*src >= '0' && *src <= '9'); wdst++, src++ )
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{
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*wdst = *src;
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}
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*wdst = 0;
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// lookup msg name in titles.txt
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client_textmessage_t *clmsg = TextMessageGet( word_buf );
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if ( !clmsg || !(clmsg->pMessage) )
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{
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src = word_start;
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*dst = *src;
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dst++, src++;
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continue;
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}
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if(clmsg->pMessage[0] == '#') strncpy(dst, Localize(clmsg->pMessage+1), buffer_size);
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// copy string into message over the msg name
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for ( char *wsrc = (char*)clmsg->pMessage; *wsrc != 0; wsrc++, dst++ )
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{
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*dst = *wsrc;
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}
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*dst = 0;
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}
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else
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{
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*dst = *src;
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dst++, src++;
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*dst = 0;
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}
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}
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dst_buffer[buffer_size-1] = 0; // ensure null termination
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return dst_buffer;
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}
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// As above, but with a local static buffer
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char *CHudTextMessage::BufferedLocaliseTextString( const char *msg )
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{
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static char dst_buffer[1024];
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LocaliseTextString( msg, dst_buffer, 1024 );
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return dst_buffer;
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}
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// Simplified version of LocaliseTextString; assumes string is only one word
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char *CHudTextMessage::LookupString( char *msg, int *msg_dest )
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{
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if ( !msg )
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return (char*)"";
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// '#' character indicates this is a reference to a string in titles.txt, and not the string itself
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if ( msg[0] == '#' )
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{
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// this is a message name, so look up the real message
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client_textmessage_t *clmsg = TextMessageGet( msg+1 );
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if ( !clmsg || !(clmsg->pMessage) )
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return (char*)msg; // lookup failed, so return the original string
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if ( msg_dest )
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{
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// check to see if titles.txt info overrides msg destination
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// if clmsg->effect is less than 0, then clmsg->effect holds -1 * message_destination
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if ( clmsg->effect < 0 ) //
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*msg_dest = -clmsg->effect;
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}
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if( clmsg->pMessage[0] == '#')
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return (char *)Localize( clmsg->pMessage + 1);
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return (char*)clmsg->pMessage;
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}
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else
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{ // nothing special about this message, so just return the same string
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return (char*)msg;
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}
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}
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void StripEndNewlineFromString( char *str )
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{
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int s = strlen( str ) - 1;
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if ( str[s] == '\n' || str[s] == '\r' )
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str[s] = 0;
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}
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// converts all '\r' characters to '\n', so that the engine can deal with the properly
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// returns a pointer to str
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char* ConvertCRtoNL( char *str )
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{
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for ( char *ch = str; *ch != 0; ch++ )
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if ( *ch == '\r' )
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*ch = '\n';
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return str;
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}
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// Message handler for text messages
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// displays a string, looking them up from the titles.txt file, which can be localised
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// parameters:
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// byte: message direction ( HUD_PRINTCONSOLE, HUD_PRINTNOTIFY, HUD_PRINTCENTER, HUD_PRINTTALK )
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// string: message
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// optional parameters:
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// string: message parameter 1
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// string: message parameter 2
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// string: message parameter 3
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// string: message parameter 4
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// any string that starts with the character '#' is a message name, and is used to look up the real message in titles.txt
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// the next (optional) one to four strings are parameters for that string (which can also be message names if they begin with '#')
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#define MAX_TEXTMSG_STRING 256
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int CHudTextMessage::MsgFunc_TextMsg( const char *pszName, int iSize, void *pbuf )
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{
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BEGIN_READ( pbuf, iSize );
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int msg_dest = READ_BYTE();
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static char szBuf[6][MAX_TEXTMSG_STRING];
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char *msg_text = LookupString( READ_STRING(), &msg_dest );
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msg_text = strncpy( szBuf[0], msg_text, MAX_TEXTMSG_STRING );
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// keep reading strings and using C format strings for subsituting the strings into the localised text string
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char *sstr1 = LookupString( READ_STRING() );
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sstr1 = strncpy( szBuf[1], sstr1, MAX_TEXTMSG_STRING );
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StripEndNewlineFromString( sstr1 ); // these strings are meant for subsitution into the main strings, so cull the automatic end newlines
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char *sstr2 = LookupString( READ_STRING() );
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sstr2 = strncpy( szBuf[2], sstr2, MAX_TEXTMSG_STRING );
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StripEndNewlineFromString( sstr2 );
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char *sstr3 = LookupString( READ_STRING() );
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sstr3 = strncpy( szBuf[3], sstr3, MAX_TEXTMSG_STRING );
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StripEndNewlineFromString( sstr3 );
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char *sstr4 = LookupString( READ_STRING() );
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sstr4 = strncpy( szBuf[4], sstr4, MAX_TEXTMSG_STRING );
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StripEndNewlineFromString( sstr4 );
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char *psz = szBuf[5];
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// Remove numbers after %s.
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// VALVEWHY?
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if( strlen(msg_text) >= 3 )
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{
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for( size_t i = 0; i < strlen(msg_text) - 2; i++)
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{
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if( msg_text[i] == '%' && msg_text[i + 1] == 's' && isdigit(msg_text[i + 2]))
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{
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char *first = &msg_text[i + 2];
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char *second = &msg_text[i + 3];
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memmove( first, second, strlen( second ));
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first[strlen(first)] = '\0';
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}
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}
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}
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switch ( msg_dest )
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{
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case HUD_PRINTCENTER:
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snprintf( psz, MAX_TEXTMSG_STRING, msg_text, sstr1, sstr2, sstr3, sstr4 );
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CenterPrint( ConvertCRtoNL( psz ) );
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break;
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case HUD_PRINTNOTIFY:
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psz[0] = 1; // mark this message to go into the notify buffer
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snprintf( psz+1, MAX_TEXTMSG_STRING - 1, msg_text, sstr1, sstr2, sstr3, sstr4 );
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ConsolePrint( ConvertCRtoNL( psz ) );
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break;
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case HUD_PRINTTALK:
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psz[0] = 2; // mark, so SayTextPrint will color it
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snprintf( psz+1, MAX_TEXTMSG_STRING-1, msg_text, sstr1, sstr2, sstr3, sstr4 );
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gHUD.m_SayText.SayTextPrint( ConvertCRtoNL( psz ), 128 );
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break;
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case HUD_PRINTCONSOLE:
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snprintf( psz, MAX_TEXTMSG_STRING, msg_text, sstr1, sstr2, sstr3, sstr4 );
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ConsolePrint( ConvertCRtoNL( psz ) );
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break;
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case HUD_PRINTRADIO:
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// For some reason, HUD_PRINTRADIO always have "1" in msg_text
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for( int i = 1; i < MAX_PLAYERS; i++ )
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{
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if( g_PlayerInfoList[i].name && !strncmp(g_PlayerInfoList[i].name, sstr2, strlen(sstr2)) )
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{
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psz[0] = 2;
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snprintf( psz + 1, MAX_TEXTMSG_STRING-1, sstr1, sstr2, sstr3, sstr4 );
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gHUD.m_SayText.SayTextPrint( ConvertCRtoNL( psz ), 128, i );
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break;
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}
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}
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break;
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}
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return 1;
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}
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