Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
//
// menu.cpp
//
// generic menu handler
//
#include "cbase.h"
#include "text_message.h"
#include "hud_macros.h"
#include "iclientmode.h"
#include "weapon_selection.h"
#include <vgui/VGUI.h>
#include <vgui/ISurface.h>
#include <vgui/ILocalize.h>
#include <KeyValues.h>
#include <vgui_controls/AnimationController.h>
#define MAX_MENU_STRING 512
wchar_t g_szMenuString[MAX_MENU_STRING];
char g_szPrelocalisedMenuString[MAX_MENU_STRING];
#include "menu.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//
//-----------------------------------------------------
//
DECLARE_HUDELEMENT( CHudMenu );
DECLARE_HUD_MESSAGE( CHudMenu, ShowMenu );
//
//-----------------------------------------------------
//
static char* ConvertCRtoNL( char *str )
{
for ( char *ch = str; *ch != 0; ch++ )
if ( *ch == '\r' )
*ch = '\n';
return str;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CHudMenu::CHudMenu( const char *pElementName ) :
CHudElement( pElementName ), BaseClass(NULL, "HudMenu")
{
m_nSelectedItem = -1;
vgui::Panel *pParent = g_pClientMode->GetViewport();
SetParent( pParent );
SetHiddenBits( HIDEHUD_MISCSTATUS );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::Init( void )
{
HOOK_HUD_MESSAGE( CHudMenu, ShowMenu );
m_bMenuTakesInput = false;
m_bMenuDisplayed = false;
m_bitsValidSlots = 0;
m_Processed.RemoveAll();
m_nMaxPixels = 0;
m_nHeight = 0;
Reset();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::Reset( void )
{
g_szPrelocalisedMenuString[0] = 0;
m_fWaitingForMore = false;
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CHudMenu::IsMenuOpen( void )
{
return m_bMenuDisplayed && m_bMenuTakesInput;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::VidInit( void )
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::OnThink()
{
float flSelectionTimeout = MENU_SELECTION_TIMEOUT;
// If we've been open for a while without input, hide
if ( m_bMenuDisplayed && ( gpGlobals->curtime - m_flSelectionTime > flSelectionTimeout ) )
{
m_bMenuDisplayed = false;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CHudMenu::ShouldDraw( void )
{
bool draw = CHudElement::ShouldDraw() && m_bMenuDisplayed;
if ( !draw )
return false;
// check for if menu is set to disappear
if ( m_flShutoffTime > 0 && m_flShutoffTime <= gpGlobals->realtime )
{
// times up, shutoff
m_bMenuDisplayed = false;
return false;
}
return draw;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *text -
// textlen -
// font -
// x -
// y -
//-----------------------------------------------------------------------------
void CHudMenu::PaintString( const wchar_t *text, int textlen, vgui::HFont& font, int x, int y )
{
vgui::surface()->DrawSetTextFont( font );
vgui::surface()->DrawSetTextPos( x, y );
for ( int ch = 0; ch < textlen; ch++ )
{
vgui::surface()->DrawUnicodeChar( text[ch] );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::Paint()
{
if ( !m_bMenuDisplayed )
return;
// center it
int x = 20;
Color menuColor = m_MenuColor;
Color itemColor = m_ItemColor;
int c = m_Processed.Count();
int border = 20;
int wide = m_nMaxPixels + border;
int tall = m_nHeight + border;
int y = ( ScreenHeight() - tall ) * 0.5f;
DrawBox( x - border/2, y - border/2, wide, tall, m_BoxColor, m_flSelectionAlphaOverride / 255.0f );
//DrawTexturedBox( x - border/2, y - border/2, wide, tall, m_BoxColor, m_flSelectionAlphaOverride / 255.0f );
menuColor[3] = menuColor[3] * ( m_flSelectionAlphaOverride / 255.0f );
itemColor[3] = itemColor[3] * ( m_flSelectionAlphaOverride / 255.0f );
for ( int i = 0; i < c; i++ )
{
ProcessedLine *line = &m_Processed[ i ];
Assert( line );
Color clr = line->menuitem != 0 ? itemColor : menuColor;
bool canblur = false;
if ( line->menuitem != 0 &&
m_nSelectedItem >= 0 &&
( line->menuitem == m_nSelectedItem ) )
{
canblur = true;
}
vgui::surface()->DrawSetTextColor( clr );
int drawLen = line->length;
if ( line->menuitem != 0 )
{
drawLen *= m_flTextScan;
}
vgui::surface()->DrawSetTextFont( line->menuitem != 0 ? m_hItemFont : m_hTextFont );
PaintString( &g_szMenuString[ line->startchar ], drawLen,
line->menuitem != 0 ? m_hItemFont : m_hTextFont, x, y );
if ( canblur )
{
// draw the overbright blur
for (float fl = m_flBlur; fl > 0.0f; fl -= 1.0f)
{
if (fl >= 1.0f)
{
PaintString( &g_szMenuString[ line->startchar ], drawLen, m_hItemFontPulsing, x, y );
}
else
{
// draw a percentage of the last one
Color col = clr;
col[3] *= fl;
vgui::surface()->DrawSetTextColor(col);
PaintString( &g_szMenuString[ line->startchar ], drawLen, m_hItemFontPulsing, x, y );
}
}
}
y += line->height;
}
}
//-----------------------------------------------------------------------------
// Purpose: selects an item from the menu
//-----------------------------------------------------------------------------
void CHudMenu::SelectMenuItem( int menu_item )
{
// if menu_item is in a valid slot, send a menuselect command to the server
if ( (menu_item > 0) && (m_bitsValidSlots & (1 << (menu_item-1))) )
{
char szbuf[32];
Q_snprintf( szbuf, sizeof( szbuf ), "menuselect %d\n", menu_item );
engine->ClientCmd( szbuf );
m_nSelectedItem = menu_item;
// Pulse the selection
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuPulse");
// remove the menu quickly
m_bMenuTakesInput = false;
m_flShutoffTime = gpGlobals->realtime + m_flOpenCloseTime;
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuClose");
}
}
void CHudMenu::ProcessText( void )
{
m_Processed.RemoveAll();
m_nMaxPixels = 0;
m_nHeight = 0;
int i = 0;
int startpos = i;
int menuitem = 0;
while ( i < MAX_MENU_STRING )
{
wchar_t ch = g_szMenuString[ i ];
if ( ch == 0 )
break;
if ( i == startpos &&
( ch == L'-' && g_szMenuString[ i + 1 ] == L'>' ) )
{
// Special handling for menu item specifiers
swscanf( &g_szMenuString[ i + 2 ], L"%d", &menuitem );
i += 2;
startpos += 2;
continue;
}
// Skip to end of line
while ( i < MAX_MENU_STRING && g_szMenuString[i] != 0 && g_szMenuString[i] != L'\n' )
{
i++;
}
// Store off line
if ( ( i - startpos ) >= 1 )
{
ProcessedLine line;
line.menuitem = menuitem;
line.startchar = startpos;
line.length = i - startpos;
line.pixels = 0;
line.height = 0;
m_Processed.AddToTail( line );
}
menuitem = 0;
// Skip delimiter
if ( g_szMenuString[i] == '\n' )
{
i++;
}
startpos = i;
}
// Add final block
if ( i - startpos >= 1 )
{
ProcessedLine line;
line.menuitem = menuitem;
line.startchar = startpos;
line.length = i - startpos;
line.pixels = 0;
line.height = 0;
m_Processed.AddToTail( line );
}
// Now compute pixels needed
int c = m_Processed.Count();
for ( i = 0; i < c; i++ )
{
ProcessedLine *l = &m_Processed[ i ];
Assert( l );
int pixels = 0;
vgui::HFont font = l->menuitem != 0 ? m_hItemFont : m_hTextFont;
for ( int ch = 0; ch < l->length; ch++ )
{
pixels += vgui::surface()->GetCharacterWidth( font, g_szMenuString[ ch + l->startchar ] );
}
l->pixels = pixels;
l->height = vgui::surface()->GetFontTall( font );
if ( pixels > m_nMaxPixels )
{
m_nMaxPixels = pixels;
}
m_nHeight += l->height;
}
}
//-----------------------------------------------------------------------------
// Purpose: Local method to hide a menu, mirroring code found in
// MsgFunc_ShowMenu.
//-----------------------------------------------------------------------------
void CHudMenu::HideMenu( void )
{
m_bMenuTakesInput = false;
m_flShutoffTime = gpGlobals->realtime + m_flOpenCloseTime;
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuClose");
}
//-----------------------------------------------------------------------------
// Purpose: Local method to bring up a menu, mirroring code found in
// MsgFunc_ShowMenu.
//
// takes two values:
// menuName : menu name string
// validSlots: a bitfield describing the valid keys
//-----------------------------------------------------------------------------
void CHudMenu::ShowMenu( const char * menuName, int validSlots )
{
m_flShutoffTime = -1;
m_bitsValidSlots = validSlots;
m_fWaitingForMore = 0;
Q_strncpy( g_szPrelocalisedMenuString, menuName, sizeof( g_szPrelocalisedMenuString ) );
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuOpen");
m_nSelectedItem = -1;
// we have the whole string, so we can localise it now
char szMenuString[MAX_MENU_STRING];
Q_strncpy( szMenuString, ConvertCRtoNL( hudtextmessage->BufferedLocaliseTextString( g_szPrelocalisedMenuString ) ), sizeof( szMenuString ) );
g_pVGuiLocalize->ConvertANSIToUnicode( szMenuString, g_szMenuString, sizeof( g_szMenuString ) );
ProcessText();
m_bMenuDisplayed = true;
m_bMenuTakesInput = true;
m_flSelectionTime = gpGlobals->curtime;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHudMenu::ShowMenu_KeyValueItems( KeyValues *pKV )
{
m_flShutoffTime = -1;
m_fWaitingForMore = 0;
m_bitsValidSlots = 0;
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuOpen");
m_nSelectedItem = -1;
g_szMenuString[0] = '\0';
wchar_t *pWritePosition = g_szMenuString;
int nRemaining = sizeof( g_szMenuString ) / sizeof( wchar_t );
int nCount;
int i = 0;
for ( KeyValues *item = pKV->GetFirstSubKey(); item != NULL; item = item->GetNextKey() )
{
// Set this slot valid
m_bitsValidSlots |= (1<<i);
const char *pszItem = item->GetName();
const wchar_t *wLocalizedItem = g_pVGuiLocalize->Find( pszItem );
nCount = _snwprintf( pWritePosition, nRemaining, L"%d. %ls\n", i+1, wLocalizedItem );
nRemaining -= nCount;
pWritePosition += nCount;
i++;
}
// put a cancel on the end
m_bitsValidSlots |= (1<<9);
nCount = _snwprintf( pWritePosition, nRemaining, L"0. %ls\n", g_pVGuiLocalize->Find( "#Cancel" ) );
nRemaining -= nCount;
pWritePosition += nCount;
ProcessText();
m_bMenuDisplayed = true;
m_bMenuTakesInput = true;
m_flSelectionTime = gpGlobals->curtime;
}
//-----------------------------------------------------------------------------
// Purpose: Message handler for ShowMenu message
// takes four values:
// short: a bitfield of keys that are valid input
// char : the duration, in seconds, the menu should stay up. -1 means is stays until something is chosen.
// byte : a boolean, TRUE if there is more string yet to be received before displaying the menu, false if it's the last string
// string: menu string to display
// if this message is never received, then scores will simply be the combined totals of the players.
//-----------------------------------------------------------------------------
void CHudMenu::MsgFunc_ShowMenu( bf_read &msg)
{
m_bitsValidSlots = (short)msg.ReadWord();
int DisplayTime = msg.ReadChar();
int NeedMore = msg.ReadByte();
if ( DisplayTime > 0 )
{
m_flShutoffTime = m_flOpenCloseTime + DisplayTime + gpGlobals->realtime;
}
else
{
m_flShutoffTime = -1;
}
if ( m_bitsValidSlots )
{
char szString[2048];
msg.ReadString( szString, sizeof(szString) );
if ( !m_fWaitingForMore ) // this is the start of a new menu
{
Q_strncpy( g_szPrelocalisedMenuString, szString, sizeof( g_szPrelocalisedMenuString ) );
}
else
{ // append to the current menu string
Q_strncat( g_szPrelocalisedMenuString, szString, sizeof( g_szPrelocalisedMenuString ), COPY_ALL_CHARACTERS );
}
if ( !NeedMore )
{
g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("MenuOpen");
m_nSelectedItem = -1;
// we have the whole string, so we can localise it now
char szMenuString[MAX_MENU_STRING];
Q_strncpy( szMenuString, ConvertCRtoNL( hudtextmessage->BufferedLocaliseTextString( g_szPrelocalisedMenuString ) ), sizeof( szMenuString ) );
g_pVGuiLocalize->ConvertANSIToUnicode( szMenuString, g_szMenuString, sizeof( g_szMenuString ) );
ProcessText();
}
m_bMenuDisplayed = true;
m_bMenuTakesInput = true;
m_flSelectionTime = gpGlobals->curtime;
}
else
{
HideMenu();
}
m_fWaitingForMore = NeedMore;
}
//-----------------------------------------------------------------------------
// Purpose: hud scheme settings
//-----------------------------------------------------------------------------
void CHudMenu::ApplySchemeSettings(vgui::IScheme *pScheme)
{
BaseClass::ApplySchemeSettings(pScheme);
SetPaintBackgroundEnabled( false );
// set our size
int screenWide, screenTall;
int x, y;
GetPos(x, y);
GetHudSize(screenWide, screenTall);
SetBounds(0, y, screenWide, screenTall - y);
ProcessText();
}