mirror of
https://github.com/shawns-valve/halflife.git
synced 2024-11-22 04:21:30 +00:00
326 lines
8.4 KiB
C++
326 lines
8.4 KiB
C++
/***
|
|
*
|
|
* Copyright (c) 1996-2002, 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.
|
|
*
|
|
****/
|
|
//
|
|
// saytext.cpp
|
|
//
|
|
// implementation of CHudSayText class
|
|
//
|
|
|
|
#include "hud.h"
|
|
#include "cl_util.h"
|
|
#include "parsemsg.h"
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <malloc.h> // _alloca
|
|
|
|
#include "vgui_TeamFortressViewport.h"
|
|
|
|
extern float *GetClientColor( int clientIndex );
|
|
|
|
#define MAX_LINES 5
|
|
#define MAX_CHARS_PER_LINE 256 /* it can be less than this, depending on char size */
|
|
|
|
// allow 20 pixels on either side of the text
|
|
#define MAX_LINE_WIDTH ( ScreenWidth - 40 )
|
|
#define LINE_START 10
|
|
static float SCROLL_SPEED = 5;
|
|
|
|
static char g_szLineBuffer[ MAX_LINES + 1 ][ MAX_CHARS_PER_LINE ];
|
|
static float *g_pflNameColors[ MAX_LINES + 1 ];
|
|
static int g_iNameLengths[ MAX_LINES + 1 ];
|
|
static float flScrollTime = 0; // the time at which the lines next scroll up
|
|
|
|
static int Y_START = 0;
|
|
static int line_height = 0;
|
|
|
|
DECLARE_MESSAGE( m_SayText, SayText );
|
|
|
|
int CHudSayText :: Init( void )
|
|
{
|
|
gHUD.AddHudElem( this );
|
|
|
|
HOOK_MESSAGE( SayText );
|
|
|
|
InitHUDData();
|
|
|
|
m_HUD_saytext = gEngfuncs.pfnRegisterVariable( "hud_saytext", "1", 0 );
|
|
m_HUD_saytext_time = gEngfuncs.pfnRegisterVariable( "hud_saytext_time", "5", 0 );
|
|
|
|
m_iFlags |= HUD_INTERMISSION; // is always drawn during an intermission
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
void CHudSayText :: InitHUDData( void )
|
|
{
|
|
memset( g_szLineBuffer, 0, sizeof g_szLineBuffer );
|
|
memset( g_pflNameColors, 0, sizeof g_pflNameColors );
|
|
memset( g_iNameLengths, 0, sizeof g_iNameLengths );
|
|
}
|
|
|
|
int CHudSayText :: VidInit( void )
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
|
|
int ScrollTextUp( void )
|
|
{
|
|
ConsolePrint( g_szLineBuffer[0] ); // move the first line into the console buffer
|
|
g_szLineBuffer[MAX_LINES][0] = 0;
|
|
memmove( g_szLineBuffer[0], g_szLineBuffer[1], sizeof(g_szLineBuffer) - sizeof(g_szLineBuffer[0]) ); // overwrite the first line
|
|
memmove( &g_pflNameColors[0], &g_pflNameColors[1], sizeof(g_pflNameColors) - sizeof(g_pflNameColors[0]) );
|
|
memmove( &g_iNameLengths[0], &g_iNameLengths[1], sizeof(g_iNameLengths) - sizeof(g_iNameLengths[0]) );
|
|
g_szLineBuffer[MAX_LINES-1][0] = 0;
|
|
|
|
if ( g_szLineBuffer[0][0] == ' ' ) // also scroll up following lines
|
|
{
|
|
g_szLineBuffer[0][0] = 2;
|
|
return 1 + ScrollTextUp();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int CHudSayText :: Draw( float flTime )
|
|
{
|
|
int y = Y_START;
|
|
|
|
if ( ( gViewPort && gViewPort->AllowedToPrintText() == FALSE) || !m_HUD_saytext->value )
|
|
return 1;
|
|
|
|
// make sure the scrolltime is within reasonable bounds, to guard against the clock being reset
|
|
flScrollTime = min( flScrollTime, flTime + m_HUD_saytext_time->value );
|
|
|
|
// make sure the scrolltime is within reasonable bounds, to guard against the clock being reset
|
|
flScrollTime = min( flScrollTime, flTime + m_HUD_saytext_time->value );
|
|
|
|
if ( flScrollTime <= flTime )
|
|
{
|
|
if ( *g_szLineBuffer[0] )
|
|
{
|
|
flScrollTime = flTime + m_HUD_saytext_time->value;
|
|
// push the console up
|
|
ScrollTextUp();
|
|
}
|
|
else
|
|
{ // buffer is empty, just disable drawing of this section
|
|
m_iFlags &= ~HUD_ACTIVE;
|
|
}
|
|
}
|
|
|
|
for ( int i = 0; i < MAX_LINES; i++ )
|
|
{
|
|
if ( *g_szLineBuffer[i] )
|
|
{
|
|
if ( *g_szLineBuffer[i] == 2 && g_pflNameColors[i] )
|
|
{
|
|
// it's a saytext string
|
|
char *buf = static_cast<char *>( _alloca( strlen( g_szLineBuffer[i] ) ) );
|
|
if ( buf )
|
|
{
|
|
//char buf[MAX_PLAYER_NAME_LENGTH+32];
|
|
|
|
// draw the first x characters in the player color
|
|
strncpy( buf, g_szLineBuffer[i], min(g_iNameLengths[i], MAX_PLAYER_NAME_LENGTH+32) );
|
|
buf[ min(g_iNameLengths[i], MAX_PLAYER_NAME_LENGTH+31) ] = 0;
|
|
gEngfuncs.pfnDrawSetTextColor( g_pflNameColors[i][0], g_pflNameColors[i][1], g_pflNameColors[i][2] );
|
|
int x = DrawConsoleString( LINE_START, y, buf + 1 ); // don't draw the control code at the start
|
|
strncpy( buf, g_szLineBuffer[i] + g_iNameLengths[i], strlen( g_szLineBuffer[i] ));
|
|
buf[ strlen( g_szLineBuffer[i] + g_iNameLengths[i] ) - 1 ] = '\0';
|
|
// color is reset after each string draw
|
|
DrawConsoleString( x, y, buf );
|
|
}
|
|
else
|
|
{
|
|
assert( "Not able to alloca chat buffer!\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// normal draw
|
|
DrawConsoleString( LINE_START, y, g_szLineBuffer[i] );
|
|
}
|
|
}
|
|
|
|
y += line_height;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int CHudSayText :: MsgFunc_SayText( const char *pszName, int iSize, void *pbuf )
|
|
{
|
|
BEGIN_READ( pbuf, iSize );
|
|
|
|
int client_index = READ_BYTE(); // the client who spoke the message
|
|
SayTextPrint( READ_STRING(), iSize - 1, client_index );
|
|
|
|
return 1;
|
|
}
|
|
|
|
void CHudSayText :: SayTextPrint( const char *pszBuf, int iBufSize, int clientIndex )
|
|
{
|
|
if ( gViewPort && gViewPort->AllowedToPrintText() == FALSE )
|
|
{
|
|
// Print it straight to the console
|
|
ConsolePrint( pszBuf );
|
|
return;
|
|
}
|
|
|
|
int i;
|
|
// find an empty string slot
|
|
for ( i = 0; i < MAX_LINES; i++ )
|
|
{
|
|
if ( ! *g_szLineBuffer[i] )
|
|
break;
|
|
}
|
|
if ( i == MAX_LINES )
|
|
{
|
|
// force scroll buffer up
|
|
ScrollTextUp();
|
|
i = MAX_LINES - 1;
|
|
}
|
|
|
|
g_iNameLengths[i] = 0;
|
|
g_pflNameColors[i] = NULL;
|
|
|
|
// if it's a say message, search for the players name in the string
|
|
if ( *pszBuf == 2 && clientIndex > 0 )
|
|
{
|
|
gEngfuncs.pfnGetPlayerInfo( clientIndex, &g_PlayerInfoList[clientIndex] );
|
|
const char *pName = g_PlayerInfoList[clientIndex].name;
|
|
|
|
if ( pName )
|
|
{
|
|
const char *nameInString = strstr( pszBuf, pName );
|
|
|
|
if ( nameInString )
|
|
{
|
|
g_iNameLengths[i] = strlen( pName ) + (nameInString - pszBuf);
|
|
g_pflNameColors[i] = GetClientColor( clientIndex );
|
|
}
|
|
}
|
|
}
|
|
|
|
strncpy( g_szLineBuffer[i], pszBuf, max(iBufSize , MAX_CHARS_PER_LINE) );
|
|
|
|
// make sure the text fits in one line
|
|
EnsureTextFitsInOneLineAndWrapIfHaveTo( i );
|
|
|
|
// Set scroll time
|
|
if ( i == 0 )
|
|
{
|
|
flScrollTime = gHUD.m_flTime + m_HUD_saytext_time->value;
|
|
}
|
|
|
|
m_iFlags |= HUD_ACTIVE;
|
|
PlaySound( "misc/talk.wav", 1 );
|
|
|
|
Y_START = ScreenHeight - 60 - ( line_height * (MAX_LINES+2) );
|
|
}
|
|
|
|
void CHudSayText :: EnsureTextFitsInOneLineAndWrapIfHaveTo( int line )
|
|
{
|
|
int line_width = 0;
|
|
GetConsoleStringSize( g_szLineBuffer[line], &line_width, &line_height );
|
|
|
|
if ( (line_width + LINE_START) > MAX_LINE_WIDTH )
|
|
{ // string is too long to fit on line
|
|
// scan the string until we find what word is too long, and wrap the end of the sentence after the word
|
|
int length = LINE_START;
|
|
int tmp_len = 0;
|
|
char *last_break = NULL;
|
|
for ( char *x = g_szLineBuffer[line]; *x != 0; x++ )
|
|
{
|
|
// check for a color change, if so skip past it
|
|
if ( x[0] == '/' && x[1] == '(' )
|
|
{
|
|
x += 2;
|
|
// skip forward until past mode specifier
|
|
while ( *x != 0 && *x != ')' )
|
|
x++;
|
|
|
|
if ( *x != 0 )
|
|
x++;
|
|
|
|
if ( *x == 0 )
|
|
break;
|
|
}
|
|
|
|
char buf[2];
|
|
buf[1] = 0;
|
|
|
|
if ( *x == ' ' && x != g_szLineBuffer[line] ) // store each line break, except for the very first character
|
|
last_break = x;
|
|
|
|
buf[0] = *x; // get the length of the current character
|
|
GetConsoleStringSize( buf, &tmp_len, &line_height );
|
|
length += tmp_len;
|
|
|
|
if ( length > MAX_LINE_WIDTH )
|
|
{ // needs to be broken up
|
|
if ( !last_break )
|
|
last_break = x-1;
|
|
|
|
x = last_break;
|
|
|
|
// find an empty string slot
|
|
int j;
|
|
do
|
|
{
|
|
for ( j = 0; j < MAX_LINES; j++ )
|
|
{
|
|
if ( ! *g_szLineBuffer[j] )
|
|
break;
|
|
}
|
|
if ( j == MAX_LINES )
|
|
{
|
|
// need to make more room to display text, scroll stuff up then fix the pointers
|
|
int linesmoved = ScrollTextUp();
|
|
line -= linesmoved;
|
|
last_break = last_break - (sizeof(g_szLineBuffer[0]) * linesmoved);
|
|
}
|
|
}
|
|
while ( j == MAX_LINES );
|
|
|
|
// copy remaining string into next buffer, making sure it starts with a space character
|
|
if ( (char)*last_break == (char)' ' )
|
|
{
|
|
int linelen = strlen(g_szLineBuffer[j]);
|
|
int remaininglen = strlen(last_break);
|
|
|
|
if ( (linelen - remaininglen) <= MAX_CHARS_PER_LINE )
|
|
strcat( g_szLineBuffer[j], last_break );
|
|
}
|
|
else
|
|
{
|
|
if ( (strlen(g_szLineBuffer[j]) - strlen(last_break) - 2) < MAX_CHARS_PER_LINE )
|
|
{
|
|
strcat( g_szLineBuffer[j], " " );
|
|
strcat( g_szLineBuffer[j], last_break );
|
|
}
|
|
}
|
|
|
|
*last_break = 0; // cut off the last string
|
|
|
|
EnsureTextFitsInOneLineAndWrapIfHaveTo( j );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|