//=========== (C) Copyright 1996-2002 Valve, L.L.C. All rights reserved. ===========
//
// The copyright to the contents herein is the property of Valve, L.L.C.
// The contents may be used and/or copied only with the written permission of
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
// the agreement/contract under which the contents have been supplied.
//
// Purpose: Contains implementation of various VGUI-derived objects
//
// $Workfile:     $
// $Date:         $
//
//-----------------------------------------------------------------------------
// $Log: $
//
// $NoKeywords: $
//=============================================================================

#include "VGUI_Font.h"

#include "hud.h"
#include "cl_util.h"
#include "camera.h"
#include "kbutton.h"
#include "cvardef.h"
#include "usercmd.h"
#include "const.h"
#include "camera.h"
#include "in_defs.h"
#include "parsemsg.h"

#include "vgui_int.h"
#include "vgui_TeamFortressViewport.h"
#include "vgui_loadtga.h"

// Arrow filenames
const char *sArrowFilenames[] =
{
	"arrowup",
	"arrowdn", 
	"arrowlt",
	"arrowrt", 
};

// Get the name of TGA file, without a gamedir
char *GetTGANameForRes( const char *pszName )
{
	int i;
	char sz[256]; 
	static char gd[256];
 
	if( ScreenWidth < 640 )
		i = 320;
	else
		i = 640;

	sprintf( sz, pszName, i );
	sprintf( gd, "gfx/vgui/%s.tga", sz );
	return gd;
}

//-----------------------------------------------------------------------------
// Purpose: Loads a .tga file and returns a pointer to the VGUI tga object
//-----------------------------------------------------------------------------
BitmapTGA *LoadTGAForRes( const char* pImageName )
{
	BitmapTGA	*pTGA;
	char sz[256];

	sprintf( sz, "%%d_%s", pImageName );
	pTGA = vgui_LoadTGA( GetTGANameForRes( sz ) );

	return pTGA;
}

//===========================================================
// All TFC Hud buttons are derived from this one.
CommandButton::CommandButton( const char *text, int x, int y, int wide, int tall, bool bNoHighlight ) : Button( "", x, y, wide, tall )
{
	m_iPlayerClass = 0;
	m_bNoHighlight = bNoHighlight;
	m_bFlat = false;
	Init();
	setText( text );
}

CommandButton::CommandButton( int iPlayerClass, const char *text, int x, int y, int wide, int tall, bool bFlat ) : Button( "", x, y, wide, tall )
{
	m_iPlayerClass = iPlayerClass;
	m_bNoHighlight = false;
	m_bFlat = bFlat;
	Init();
	setText( text );
}

CommandButton::CommandButton( const char *text, int x, int y, int wide, int tall, bool bNoHighlight, bool bFlat ) : Button( "", x, y, wide, tall )
{
	m_iPlayerClass = 0;
	m_bFlat = bFlat;
	m_bNoHighlight = bNoHighlight;
	Init();
	setText( text );
}

void CommandButton::Init( void )
{
	m_pSubMenu = NULL;
	m_pSubLabel = NULL;
	m_pParentMenu = NULL;

	// Set text color to orange
	setFgColor( Scheme::sc_primary1 );

	// left align
	setContentAlignment( vgui::Label::a_west );

	// Add the Highlight signal
	if( !m_bNoHighlight )
		addInputSignal( new CHandler_CommandButtonHighlight( this ) );

	// not bound to any button yet
	m_cBoundKey = 0;
}

//-----------------------------------------------------------------------------
// Purpose: Prepends the button text with the current bound key
//			if no bound key, then a clear space ' ' instead
//-----------------------------------------------------------------------------
void CommandButton::RecalculateText( void )
{
	char szBuf[128];

	if( m_cBoundKey != 0 )
	{
		if( m_cBoundKey == (char)255 )
		{
			strcpy( szBuf, m_sMainText );
		}
		else
		{
			sprintf( szBuf, "  %c  %s", m_cBoundKey, m_sMainText );
		}
		szBuf[MAX_BUTTON_SIZE-1] = 0;
	}
	else
	{
		// just draw a space if no key bound
		sprintf( szBuf, "     %s", m_sMainText );
		szBuf[MAX_BUTTON_SIZE - 1] = 0;
	}

	Button::setText( szBuf );
}

void CommandButton::setText( const char *text )
{
	strncpy( m_sMainText, text, MAX_BUTTON_SIZE - 1 );
	m_sMainText[MAX_BUTTON_SIZE - 1] = 0;

	RecalculateText();
}

void CommandButton::setBoundKey( char boundKey )
{
	m_cBoundKey = boundKey;
	RecalculateText();
}

char CommandButton::getBoundKey( void )
{
	return m_cBoundKey;
}

void CommandButton::AddSubMenu( CCommandMenu *pNewMenu )
{
	m_pSubMenu = pNewMenu;

	// Prevent this button from being pushed
	setMouseClickEnabled( MOUSE_LEFT, false );
}

void CommandButton::UpdateSubMenus( int iAdjustment )
{
	if( m_pSubMenu )
		m_pSubMenu->RecalculatePositions( iAdjustment );
}

void CommandButton::paint()
{
	// Make the sub label paint the same as the button
	if( m_pSubLabel )
	{
		if( isSelected() )
			m_pSubLabel->PushDown();
		else
			m_pSubLabel->PushUp();
	}

	// draw armed button text in white
	if( isArmed() )
	{
		setFgColor( Scheme::sc_secondary2 );
	}
	else
	{
		setFgColor( Scheme::sc_primary1 );
	}
	
	Button::paint();
}

void CommandButton::paintBackground()
{
	if( m_bFlat )
	{
		if( isArmed() )
		{
			// Orange Border
			drawSetColor( Scheme::sc_secondary1 );
			drawOutlinedRect( 0, 0, _size[0], _size[1] );
		}
	}
	else
	{
		if( isArmed() )
		{
			// Orange highlight background
			drawSetColor( Scheme::sc_primary2 );
			drawFilledRect( 0, 0, _size[0], _size[1] );
		}

		// Orange Border
		drawSetColor( Scheme::sc_secondary1 );
		drawOutlinedRect( 0, 0, _size[0], _size[1] );
	}
}

//-----------------------------------------------------------------------------
// Purpose: Highlights the current button, and all it's parent menus
//-----------------------------------------------------------------------------
void CommandButton::cursorEntered( void )
{
	// unarm all the other buttons in this menu
	CCommandMenu *containingMenu = getParentMenu();
	if( containingMenu )
	{
		containingMenu->ClearButtonsOfArmedState();

		// make all our higher buttons armed
		CCommandMenu *pCParent = containingMenu->GetParentMenu();
		if( pCParent )
		{
			CommandButton *pParentButton = pCParent->FindButtonWithSubmenu( containingMenu );

			pParentButton->cursorEntered();
		}
	}

	// arm ourselves
	setArmed( true );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CommandButton::cursorExited( void )
{
	// only clear ourselves if we have do not have a containing menu
	// only stay armed if we have a sub menu
	// the buttons only unarm themselves when another button is armed instead
	if( !getParentMenu() || !GetSubMenu() )
	{
		setArmed( false );
	}
}

//-----------------------------------------------------------------------------
// Purpose: Returns the command menu that the button is part of, if any
// Output : CCommandMenu *
//-----------------------------------------------------------------------------
CCommandMenu *CommandButton::getParentMenu( void )
{ 
	return m_pParentMenu; 
}

//-----------------------------------------------------------------------------
// Purpose: Sets the menu that contains this button
// Input  : *pParentMenu - 
//-----------------------------------------------------------------------------
void CommandButton::setParentMenu( CCommandMenu *pParentMenu )
{
	m_pParentMenu = pParentMenu;
}

//===========================================================
int ClassButton::IsNotValid()
{
	// If this is the main ChangeClass button, remove it if the player's only able to be civilians
	if( m_iPlayerClass == -1 )
	{
		if( gViewPort->GetValidClasses( g_iTeamNumber ) == -1 )
			return true;

		return false;
	}

	// Only check current class if they've got autokill on
	bool bAutoKill = CVAR_GET_FLOAT( "hud_classautokill" ) != 0;
	if( bAutoKill )
	{	
		// Is it the player's current class?
		if ( 
			(!gViewPort->IsRandomPC() && (m_iPlayerClass == g_iPlayerClass)) )
			return true;
	}

	return false;
}

//===========================================================
// Button with Class image beneath it
CImageLabel::CImageLabel( const char *pImageName,int x,int y ) : Label( "", x, y )
{
	setContentFitted( true );
	m_pTGA = LoadTGAForRes( pImageName );
	setImage( m_pTGA );
}

CImageLabel::CImageLabel( const char *pImageName, int x, int y, int wide, int tall ) : Label( "", x, y, wide, tall )
{
	setContentFitted( true );
	m_pTGA = LoadTGAForRes( pImageName );
	setImage( m_pTGA );
}

//===========================================================
// Image size
int CImageLabel::getImageWide( void )
{
	if( m_pTGA )
	{
		int iXSize, iYSize;

		m_pTGA->getSize( iXSize, iYSize );

		return iXSize;
	}
	else
	{
		return 1;
	}
}

int CImageLabel::getImageTall( void )
{
	if( m_pTGA )
	{
		int iXSize, iYSize;

		m_pTGA->getSize( iXSize, iYSize );

		return iYSize;
	}
	else
	{
		return 1;
	}
}

void CImageLabel::LoadImage( const char *pImageName )
{
	if( m_pTGA )
		delete m_pTGA;

	// Load the Image
	m_pTGA = LoadTGAForRes( pImageName );

	if( m_pTGA == NULL )
	{
		// we didn't find a matching image file for this resolution
		// try to load file resolution independent
		char sz[256];

		sprintf( sz, "%s/%s", gEngfuncs.pfnGetGameDirectory(), pImageName );
		FileInputStream fis( sz, false );
		m_pTGA = new BitmapTGA( &fis, true );
		fis.close();
	}

	if( m_pTGA == NULL )
		return;	// unable to load image
	 	
	int w,t;

	m_pTGA->getSize( w, t );

	setSize( XRES ( w ),YRES ( t) );
	setImage( m_pTGA );
}

//===========================================================
// Various overloaded paint functions for Custom VGUI objects
void CCommandMenu::paintBackground()
{
	// Transparent black background

	if( m_iSpectCmdMenu )
		 drawSetColor( 0, 0, 0, 64 );
	else
		 drawSetColor( Scheme::sc_primary3 );

	drawFilledRect( 0, 0, _size[0], _size[1] );
}

//=================================================================================
// CUSTOM SCROLLPANEL
//=================================================================================
CTFScrollButton::CTFScrollButton( int iArrow, const char *text, int x, int y, int wide, int tall ) : CommandButton( text, x, y, wide, tall )
{
	// Set text color to orange
	setFgColor( Scheme::sc_primary1 );

	// Load in the arrow
	m_pTGA = LoadTGAForRes( sArrowFilenames[iArrow] );
	setImage( m_pTGA );

	// Highlight signal
	InputSignal *pISignal = new CHandler_CommandButtonHighlight( this );
	addInputSignal( pISignal );
}

void CTFScrollButton::paint( void )
{
	if( !m_pTGA )
		return;

	// draw armed button text in white
	if( isArmed() )
	{
		m_pTGA->setColor( Color( 255, 255, 255, 0 ) );
	}
	else
	{
		m_pTGA->setColor( Color( 255, 255, 255, 128 ) );
	}

	m_pTGA->doPaint( this );
}

void CTFScrollButton::paintBackground( void )
{
/*
	if( isArmed() )
	{
		// Orange highlight background
		drawSetColor( Scheme::sc_primary2 );
		drawFilledRect( 0, 0, _size[0], _size[1] );
	}

	// Orange Border
	drawSetColor( Scheme::sc_secondary1 );
	drawOutlinedRect( 0, 0, _size[0] - 1, _size[1] );
*/
}

void CTFSlider::paintBackground( void )
{
	int wide, tall, nobx, noby;

	getPaintSize( wide, tall );
	getNobPos( nobx, noby );

	// Border
	drawSetColor( Scheme::sc_secondary1 );
	drawOutlinedRect( 0, 0, wide, tall );

	if( isVertical() )
	{
		// Nob Fill
		drawSetColor( Scheme::sc_primary2 );
		drawFilledRect( 0, nobx, wide, noby );

		// Nob Outline
		drawSetColor( Scheme::sc_primary1 );
		drawOutlinedRect( 0, nobx, wide, noby );
	}
	else
	{
		// Nob Fill
		drawSetColor( Scheme::sc_primary2 );
		drawFilledRect( nobx, 0, noby, tall );

		// Nob Outline
		drawSetColor( Scheme::sc_primary1 );
		drawOutlinedRect( nobx, 0, noby, tall );
	}
}

CTFScrollPanel::CTFScrollPanel( int x, int y, int wide, int tall ) : ScrollPanel( x, y, wide, tall )
{
	ScrollBar *pScrollBar = getVerticalScrollBar();
	pScrollBar->setButton( new CTFScrollButton( ARROW_UP, "", 0, 0, 16, 16 ), 0 );
	pScrollBar->setButton( new CTFScrollButton( ARROW_DOWN, "", 0, 0, 16, 16 ), 1 );
	pScrollBar->setSlider( new CTFSlider( 0, wide - 1, wide, ( tall - ( wide * 2 ) ) + 2, true ) ); 
	pScrollBar->setPaintBorderEnabled( false );
	pScrollBar->setPaintBackgroundEnabled( false );
	pScrollBar->setPaintEnabled( false );

	pScrollBar = getHorizontalScrollBar();
	pScrollBar->setButton( new CTFScrollButton( ARROW_LEFT, "", 0, 0, 16, 16 ), 0 );
	pScrollBar->setButton( new CTFScrollButton( ARROW_RIGHT, "", 0, 0, 16, 16 ), 1 );
	pScrollBar->setSlider( new CTFSlider( tall, 0, wide - ( tall * 2 ), tall, false ) );
	pScrollBar->setPaintBorderEnabled( false );
	pScrollBar->setPaintBackgroundEnabled( false );
	pScrollBar->setPaintEnabled( false );
}

//=================================================================================
// CUSTOM HANDLERS
//=================================================================================
void CHandler_MenuButtonOver::cursorEntered(Panel *panel)
{
	if( gViewPort && m_pMenuPanel )
	{
		m_pMenuPanel->SetActiveInfo( m_iButton );
	}
}

void CMenuHandler_StringCommandClassSelect::actionPerformed( Panel *panel )
{
	CMenuHandler_StringCommand::actionPerformed( panel );

	// THIS IS NOW BEING DONE ON THE TFC SERVER TO AVOID KILLING SOMEONE THEN
	// HAVE THE SERVER SAY "SORRY...YOU CAN'T BE THAT CLASS".

	bool bAutoKill = CVAR_GET_FLOAT( "hud_classautokill" ) != 0;
	if( bAutoKill && g_iPlayerClass != 0 )
		gEngfuncs.pfnClientCmd( "kill" );
}