halflife-thewastes-sdk/cl_dll/text_message.cpp

215 lines
5.9 KiB
C++

/***
*
* Copyright (c) 1996-2001, 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.
*
****/
//
// text_message.cpp
//
// implementation of CHudTextMessage class
//
// this class routes messages through titles.txt for localisation
//
#include "hud.h"
#include "cl_util.h"
#include <string.h>
#include <stdio.h>
#include "parsemsg.h"
#include "tw_vgui.h"
#include "vgui_TheWastesViewport.h"
DECLARE_MESSAGE( m_TextMessage, TextMsg );
int CHudTextMessage::Init(void)
{
HOOK_MESSAGE( TextMsg );
gHUD.AddHudElem( this );
Reset();
return 1;
};
// Searches through the string for any msg names (indicated by a '#')
// any found are looked up in titles.txt and the new message substituted
// the new value is pushed into dst_buffer
char *CHudTextMessage::LocaliseTextString( const char *msg, char *dst_buffer, int buffer_size )
{
char *dst = dst_buffer;
for ( char *src = (char*)msg; *src != 0 && buffer_size > 0; buffer_size-- )
{
if ( *src == '#' )
{
// cut msg name out of string
static char word_buf[255];
char *wdst = word_buf, *word_start = src;
for ( ++src ; (*src >= 'A' && *src <= 'z') || (*src >= '0' && *src <= '9'); wdst++, src++ )
{
*wdst = *src;
}
*wdst = 0;
// lookup msg name in titles.txt
client_textmessage_t *clmsg = TextMessageGet( word_buf );
if ( !clmsg || !(clmsg->pMessage) )
{
src = word_start;
*dst = *src;
dst++, src++;
continue;
}
// copy string into message over the msg name
for ( char *wsrc = (char*)clmsg->pMessage; *wsrc != 0; wsrc++, dst++ )
{
*dst = *wsrc;
}
*dst = 0;
}
else
{
*dst = *src;
dst++, src++;
*dst = 0;
}
}
dst_buffer[buffer_size-1] = 0; // ensure null termination
return dst_buffer;
}
// As above, but with a local static buffer
char *CHudTextMessage::BufferedLocaliseTextString( const char *msg )
{
static char dst_buffer[1024];
LocaliseTextString( msg, dst_buffer, 1024 );
return dst_buffer;
}
// Simplified version of LocaliseTextString; assumes string is only one word
char *CHudTextMessage::LookupString( const char *msg, int *msg_dest )
{
if ( !msg )
return (char*)"";
// '#' character indicates this is a reference to a string in titles.txt, and not the string itself
if ( msg[0] == '#' )
{
// this is a message name, so look up the real message
client_textmessage_t *clmsg = TextMessageGet( msg+1 );
if ( !clmsg || !(clmsg->pMessage) )
return (char*)msg; // lookup failed, so return the original string
if ( msg_dest )
{
// check to see if titles.txt info overrides msg destination
// if clmsg->effect is less than 0, then clmsg->effect holds -1 * message_destination
if ( clmsg->effect < 0 ) //
*msg_dest = -clmsg->effect;
}
return (char*)clmsg->pMessage;
}
else
{ // nothing special about this message, so just return the same string
return (char*)msg;
}
}
void StripEndNewlineFromString( char *str )
{
int s = strlen( str ) - 1;
if ( str[s] == '\n' || str[s] == '\r' )
str[s] = 0;
}
// converts all '\r' characters to '\n', so that the engine can deal with the properly
// returns a pointer to str
char* ConvertCRtoNL( char *str )
{
for ( char *ch = str; *ch != 0; ch++ )
if ( *ch == '\r' )
*ch = '\n';
return str;
}
// Message handler for text messages
// displays a string, looking them up from the titles.txt file, which can be localised
// parameters:
// byte: message direction ( HUD_PRINTCONSOLE, HUD_PRINTNOTIFY, HUD_PRINTCENTER, HUD_PRINTTALK )
// string: message
// optional parameters:
// string: message parameter 1
// string: message parameter 2
// string: message parameter 3
// string: message parameter 4
// any string that starts with the character '#' is a message name, and is used to look up the real message in titles.txt
// the next (optional) one to four strings are parameters for that string (which can also be message names if they begin with '#')
int CHudTextMessage::MsgFunc_TextMsg( const char *pszName, int iSize, void *pbuf )
{
BEGIN_READ( pbuf, iSize );
int msg_dest = READ_BYTE();
static char szBuf[6][128];
char *msg_text = LookupString( READ_STRING(), &msg_dest );
msg_text = strcpy( szBuf[0], msg_text );
// keep reading strings and using C format strings for subsituting the strings into the localised text string
char *sstr1 = LookupString( READ_STRING() );
sstr1 = strcpy( szBuf[1], sstr1 );
StripEndNewlineFromString( sstr1 ); // these strings are meant for subsitution into the main strings, so cull the automatic end newlines
char *sstr2 = LookupString( READ_STRING() );
sstr2 = strcpy( szBuf[2], sstr2 );
StripEndNewlineFromString( sstr2 );
char *sstr3 = LookupString( READ_STRING() );
sstr3 = strcpy( szBuf[3], sstr3 );
StripEndNewlineFromString( sstr3 );
char *sstr4 = LookupString( READ_STRING() );
sstr4 = strcpy( szBuf[4], sstr4 );
StripEndNewlineFromString( sstr4 );
char *psz = szBuf[5];
if ( gViewPort && gViewPort->AllowedToPrintText() == FALSE )
return 1;
switch ( msg_dest )
{
case HUD_PRINTCENTER:
sprintf( psz, msg_text, sstr1, sstr2, sstr3, sstr4 );
CenterPrint( ConvertCRtoNL( psz ) );
break;
case HUD_PRINTNOTIFY:
psz[0] = 1; // mark this message to go into the notify buffer
sprintf( psz+1, msg_text, sstr1, sstr2, sstr3, sstr4 );
ConsolePrint( ConvertCRtoNL( psz ) );
break;
case HUD_PRINTTALK:
sprintf( psz, msg_text, sstr1, sstr2, sstr3, sstr4 );
gHUD.m_SayText.SayTextPrint( ConvertCRtoNL( psz ), 128 );
break;
case HUD_PRINTCONSOLE:
sprintf( psz, msg_text, sstr1, sstr2, sstr3, sstr4 );
ConsolePrint( ConvertCRtoNL( psz ) );
break;
}
return 1;
}