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