/*
FreeCS Project
Copyright (C) 2016, 2017 Marco "eukara" Hladik

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

int iMenuStage;

enum {
	MAIN_NONE,
	MAIN_BROWSER,
	MAIN_HOST,
	MAIN_OPTIONS,
	MAIN_REPLAY,
	MAIN_QUIT,
	MAIN_DISCONNECT
};

/*
=================
m_drawback

Responsible for the fancy menu background
=================
*/
void m_drawback( void ) {
	if ( clientstate() == 2 ) {
		drawfill( '0 0', vVideoSize, '0 0 0', 0.75f );
	} else {
		drawmenupic( '0 0 0', "gfx/menu/back1", '720 480', '1 1 1', 1.0f, 0 );
		drawpic( '0 0 0', "menu_static", vVideoSize, '1 1 1', 1.0f, 0 );
		drawmenupic( '0 0 0', "gfx/menu/back2", '720 480', '1 1 1', 1.0f, 0 );
	}
}

/*
=================
m_draw

Run every frame, main loop for the menu
=================
*/
void m_draw( vector vScreenSize ) {
	if ( iMenuActive == FALSE ) {
		return;
	}
	
	// we have to create frametime ourselves because menuqc is primitive
	frametime = ( time - fLastTime );
	fLastTime = time;
	
	// only update the videostuff if it's actually worth it
	if ( vVideoSize != vScreenSize ) {
		fFadeAlpha = 0.0f;
		vVideoSize = vScreenSize;
		vVideoAspect = Menu_Util_GetAspect( vVideoSize );
		vMenuSize = Menu_Util_GetMenuSize( vVideoAspect );
		iMenuPadding = Menu_Util_GetMenuPadding();
		fMenuScale = vVideoSize_y / vMenuSize_y;
	}
	
	if ( clientstate() != 2 ) {
		drawfill( '0 0', vVideoSize, '0 0 0', 1.0f );
	}
	
	// for weird Android peeps
	if ( vVideoSize_x < vVideoSize_y ) {
		drawstring( '45 105', "FreeCS is designed for", '16 16', '1 1 1', 1.0f, 0 );
		drawstring( '45 125', "landscape mode. Please", '16 16', '1 1 1', 1.0f, 0 ); 
		drawstring( '45 145', "Switch the orientation.", '16 16', '1 1 1', 1.0f, 0 );
		return;
	}
	
	if ( time < 5 ) {
		iMenuStage = 0;
		drawmenupic( '48 48 0', "gfx/logo", '64 64', '1 1 1', fFadeAlpha, 0 );
		drawmenupic( '144 48 0', "gfx/menu/freecs", '256 64', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 141', "FreeCS (c) 2016, 2017", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 181', "Note that FreeCS is not affiliated", '16 16', '1 1 1', fFadeAlpha, 0 ); 
		drawmenustring( '48 201', "with Steam or Valve.", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 221', "The source code for this is released", '16 16', '1 1 1', fFadeAlpha, 0 ); 
		drawmenustring( '48 241', "under the GPL v2.", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 281', "FreeCS requires the content from:", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 301', "Counter-Strike 1.5", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 321', "Half-Life", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 352', "Please see visit:", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 381', "eukara.github.io/FreeCS", '16 16', '1 1 1', fFadeAlpha, 0 );
		drawmenustring( '48 421', "Developed by Marco Hladik", '16 16', '1 1 1', fFadeAlpha, 0 );
	} else if ( time < 8 ) {
		if ( iMenuStage == 0 ) {
			fFadeAlpha = 0.0f;
			iMenuStage = 1;
		}
		
		m_drawback();
		
		if ( fFadeAlpha < 1.0f ) {
			drawfill( '0 0', vScreenSize, '0 0 0', 1 - fFadeAlpha );
		}
	} else {
		if ( iMenuStage == 1 ) {
			fFadeAlpha = 0.0f;
			iMenuStage = 2;
		}
		
		m_drawback();
		
		if ( !iMenu ) {
			drawmenupic( '25 145 0', "gfx/menu/freecs", '236 43', '1 1 1', fFadeAlpha, 0 );
		}
		
		if ( clientstate() == 2 ) {
			m_mainbutton( '430 276', "   DISCONNECT", MAIN_DISCONNECT, m_button_disconnect );
		}
		
		m_mainbutton( '430 300', "  FIND SERVER", MAIN_BROWSER, m_button_findserver );
		m_mainbutton( '430 324', "CREATE SERVER", MAIN_HOST, m_button_createserver );
		m_mainbutton( '430 348', "      OPTIONS", MAIN_OPTIONS, m_button_options);
		m_mainbutton( '430 372', "      REPLAYS", MAIN_REPLAY, m_button_replays );
		m_mainbutton( '430 396', "         QUIT", MAIN_QUIT, m_button_quit );
		
	}
	
	if ( fFadeAlpha < 1.0f ) {
		fFadeAlpha += frametime * 0.5;
		if ( fFadeAlpha > 1.0f ) {
			fFadeAlpha = 1.0f;
		}
	}
	
	if ( fMenuAlpha < 1.0f ) {
		fMenuAlpha += frametime * 0.5;
		if ( fMenuAlpha > 1.0f ) {
			fMenuAlpha = 1.0f;
		}
	}
}