/*
===========================================================================
Copyright (C) 1999 - 2005, Id Software, Inc.
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2013 - 2015, OpenJK contributors

This file is part of the OpenJK source code.

OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.

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, see <http://www.gnu.org/licenses/>.
===========================================================================
*/

/**********************************************************************
	UI_ATOMS.C

	User interface building blocks and support functions.
**********************************************************************/

#include "../server/exe_headers.h"

#include "ui_local.h"
#include "gameinfo.h"
#include "../qcommon/stv_version.h"

uiimport_t	ui;
uiStatic_t	uis;

//externs
static void UI_LoadMenu_f( void );
static void UI_SaveMenu_f( void );

//locals


/*
=================
UI_ForceMenuOff
=================
*/
void UI_ForceMenuOff (void)
{
	ui.Key_SetCatcher( ui.Key_GetCatcher() & ~KEYCATCH_UI );
	ui.Key_ClearStates();
	ui.Cvar_Set( "cl_paused", "0" );
}


/*
=================
UI_SetActiveMenu -
	this should be the ONLY way the menu system is brought up

=================
*/
void UI_SetActiveMenu( const char* menuname,const char *menuID )
{
	// this should be the ONLY way the menu system is brought up (besides the UI_ConsoleCommand below)

	if (cls.state != CA_DISCONNECTED && !ui.SG_GameAllowedToSaveHere(qtrue))	//don't check full sytem, only if incamera
	{
		return;
	}

	if ( !menuname ) {
		UI_ForceMenuOff();
		return;
	}

	//make sure force-speed and slowmodeath doesn't slow down menus - NOTE: they should reset the timescale when the game un-pauses
	Cvar_SetValue( "timescale", 1.0f );

	UI_Cursor_Show(qtrue);

	// enusure minumum menu data is cached
	Menu_Cache();

	if ( Q_stricmp (menuname, "mainMenu") == 0 )
	{
		UI_MainMenu();
		return;
	}

	if ( Q_stricmp (menuname, "ingame") == 0 )
	{
		ui.Cvar_Set( "cl_paused", "1" );
		UI_InGameMenu(menuID);
		return;
	}

	if ( Q_stricmp (menuname, "datapad") == 0 )
	{
		ui.Cvar_Set( "cl_paused", "1" );
		UI_DataPadMenu();
		return;
	}
#ifndef JK2_MODE
	if ( Q_stricmp (menuname, "missionfailed_menu") == 0 )
	{
		Menus_CloseAll();
		Menus_ActivateByName("missionfailed_menu");
		ui.Key_SetCatcher( KEYCATCH_UI );
		return;
	}
#endif
}


/*
=================
UI_Argv
=================
*/
static char *UI_Argv( int arg )
{
	static char	buffer[MAX_STRING_CHARS];

	ui.Argv( arg, buffer, sizeof( buffer ) );

	return buffer;
}


/*
=================
UI_Cvar_VariableString
=================
*/
char *UI_Cvar_VariableString( const char *var_name )
{
	static char	buffer[MAX_STRING_CHARS];

	ui.Cvar_VariableStringBuffer( var_name, buffer, sizeof( buffer ) );

	return buffer;
}

/*
=================
UI_Cache
=================
*/
static void UI_Cache_f( void )
{
	Menu_Cache();
#ifndef JK2_MODE
extern const char *lukeForceStatusSounds[];
extern const char *kyleForceStatusSounds[];
	for (int index = 0; index < 5; index++)
	{
		DC->registerSound(lukeForceStatusSounds[index], qfalse);
		DC->registerSound(kyleForceStatusSounds[index], qfalse);
	}
	for (int index = 1; index <= 18; index++)
	{
		DC->registerSound(va("sound/chars/storyinfo/%d",index), qfalse);
	}
	trap_S_RegisterSound("sound/chars/kyle/04kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/05kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/07kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/14kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/21kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/24kyk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/kyle/25kyk001.mp3", qfalse);

	trap_S_RegisterSound("sound/chars/luke/06luk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/luke/08luk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/luke/22luk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/luke/23luk001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/protocol/12pro001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/protocol/15pro001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/protocol/16pro001.mp3", qfalse);
	trap_S_RegisterSound("sound/chars/wedge/13wea001.mp3", qfalse);


	Menus_ActivateByName("ingameMissionSelect1");
	Menus_ActivateByName("ingameMissionSelect2");
	Menus_ActivateByName("ingameMissionSelect3");
#endif
}


/*
=================
UI_ConsoleCommand
=================
*/
#ifndef JK2_MODE
void UI_Load(void);	//in UI_main.cpp
#endif

qboolean UI_ConsoleCommand( void )
{
	char	*cmd;

	if (!ui.SG_GameAllowedToSaveHere(qtrue))	//only check if incamera
	{
		return qfalse;
	}

	cmd = UI_Argv( 0 );

	// ensure minimum menu data is available
	Menu_Cache();

	if ( Q_stricmp (cmd, "ui_cache") == 0 )
	{
		UI_Cache_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "levelselect") == 0 )
	{
		UI_LoadMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_teamOrders") == 0 )
	{
		UI_SaveMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_report") == 0 )
	{
		UI_Report();
		return qtrue;
	}

#ifndef JK2_MODE
	if ( Q_stricmp (cmd, "ui_load") == 0 )
	{
		UI_Load();
		return qtrue;
	}
#endif

	return qfalse;
}


/*
=================
UI_Init
=================
*/
void UI_Init( int apiVersion, uiimport_t *uiimport, qboolean inGameLoad )
{
	ui = *uiimport;

	if ( apiVersion != UI_API_VERSION ) {
		ui.Error( ERR_FATAL, "Bad UI_API_VERSION: expected %i, got %i\n", UI_API_VERSION, apiVersion );
	}

	// get static data (glconfig, media)
	ui.GetGlconfig( &uis.glconfig );

	uis.scaley = uis.glconfig.vidHeight * (1.0/480.0);
	uis.scalex = uis.glconfig.vidWidth * (1.0/640.0);

	Menu_Cache( );

	ui.Cvar_Create( "cg_drawCrosshair", "1", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_marks", "1", CVAR_ARCHIVE );
	ui.Cvar_Create ("s_language",			"english",	CVAR_ARCHIVE | CVAR_NORESTART);
#ifndef JK2_MODE
	ui.Cvar_Create( "g_char_model",			"jedi_tf",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_skin_head",		"head_a1",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_skin_torso",	"torso_a1",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_skin_legs",		"lower_a1",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_color_red",		"255",		CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_color_green",	"255",		CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_char_color_blue",	"255",		CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_saber_type",			"single",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_saber",				"single_1",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_saber2",				"",			CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_saber_color",		"yellow",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );
	ui.Cvar_Create( "g_saber2_color",		"yellow",	CVAR_ARCHIVE|CVAR_SAVEGAME|CVAR_NORESTART );

	ui.Cvar_Create( "ui_forcepower_inc",	"0",		CVAR_ROM|CVAR_SAVEGAME|CVAR_NORESTART);
	ui.Cvar_Create( "tier_storyinfo",		"0",		CVAR_ROM|CVAR_SAVEGAME|CVAR_NORESTART);
	ui.Cvar_Create( "tiers_complete",		"",			CVAR_ROM|CVAR_SAVEGAME|CVAR_NORESTART);
	ui.Cvar_Create( "ui_prisonerobj_currtotal", "0",	CVAR_ROM|CVAR_SAVEGAME|CVAR_NORESTART);
	ui.Cvar_Create( "ui_prisonerobj_mintotal",  "0",	CVAR_ROM|CVAR_SAVEGAME|CVAR_NORESTART);

	ui.Cvar_Create( "g_dismemberment", "3", CVAR_ARCHIVE );//0 = none, 1 = arms and hands, 2 = legs, 3 = waist and head
	ui.Cvar_Create( "cg_gunAutoFirst", "1", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_crosshairIdentifyTarget", "1", CVAR_ARCHIVE );
	ui.Cvar_Create( "g_subtitles", "0", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_marks", "1", CVAR_ARCHIVE );
	ui.Cvar_Create( "d_slowmodeath", "3", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_shadows", "1", CVAR_ARCHIVE );

	ui.Cvar_Create( "cg_runpitch", "0.002", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_runroll", "0.005", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_bobup", "0.005", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_bobpitch", "0.002", CVAR_ARCHIVE );
	ui.Cvar_Create( "cg_bobroll", "0.002", CVAR_ARCHIVE );

	ui.Cvar_Create( "ui_disableWeaponSway", "0", CVAR_ARCHIVE );
#endif



	_UI_Init(inGameLoad);
}

/*
================
UI_DrawNamedPic
=================
*/
void UI_DrawNamedPic( float x, float y, float width, float height, const char *picname )
{
	qhandle_t	hShader;

	hShader = ui.R_RegisterShaderNoMip( picname );
	ui.R_DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader );
}


/*
================
UI_DrawHandlePic
=================
*/
void UI_DrawHandlePic( float x, float y, float w, float h, qhandle_t hShader )
{
	float	s0;
	float	s1;
	float	t0;
	float	t1;

	if( w < 0 ) {	// flip about horizontal
		w  = -w;
		s0 = 1;
		s1 = 0;
	}
	else {
		s0 = 0;
		s1 = 1;
	}

	if( h < 0 ) {	// flip about vertical
		h  = -h;
		t0 = 1;
		t1 = 0;
	}
	else {
		t0 = 0;
		t1 = 1;
	}

	ui.R_DrawStretchPic( x, y, w, h, s0, t0, s1, t1, hShader );
}

/*
================
UI_FillRect

Coordinates are 640*480 virtual values
=================
*/
void UI_FillRect( float x, float y, float width, float height, const float *color )
{
	ui.R_SetColor( color );

	ui.R_DrawStretchPic( x, y, width, height, 0, 0, 0, 0, uis.whiteShader );

	ui.R_SetColor( NULL );
}

/*
=================
UI_UpdateScreen
=================
*/
void UI_UpdateScreen( void )
{
	ui.UpdateScreen();
}


/*
===============
UI_LoadMenu_f
===============
*/
static void UI_LoadMenu_f( void )
{
	trap_Key_SetCatcher( KEYCATCH_UI );
	Menus_ActivateByName("ingameloadMenu");
}

/*
===============
UI_SaveMenu_f
===============
*/
static void UI_SaveMenu_f( void )
{
#ifdef JK2_MODE
	ui.PrecacheScreenshot();
#endif

	trap_Key_SetCatcher( KEYCATCH_UI );
	Menus_ActivateByName("ingamesaveMenu");
}


//--------------------------------------------

/*
=================
UI_SetColor
=================
*/
void UI_SetColor( const float *rgba )
{
	trap_R_SetColor( rgba );
}

/*int registeredFontCount = 0;
#define MAX_FONTS 6
static fontInfo_t registeredFont[MAX_FONTS];
*/

/*
=================
UI_RegisterFont
=================
*/

int UI_RegisterFont(const char *fontName)
{
	int iFontIndex = ui.R_RegisterFont(fontName);
	if (iFontIndex == 0)
	{
		iFontIndex = ui.R_RegisterFont("ergoec");	// fall back
	}

	return iFontIndex;
}