// Copyright (C) 1999-2000 Id Software, Inc.
//
/*
=======================================================================

DEMOS MENU

=======================================================================
*/


#include "ui_local.h"


#define MAX_DEMOS			128
#define NAMEBUFSIZE			( MAX_DEMOS * 16 )

#define ID_MAINMENU				10
#define ID_ENGAGE				11
#define ID_LIST					12
#define	ID_UP					13
#define	ID_DOWN					14

#define ID_DEMOCOMMENT1			110
#define ID_DEMOCOMMENT2			111
#define ID_DEMOCOMMENT3			112
#define ID_DEMOCOMMENT4			113
#define ID_DEMOCOMMENT5			114
#define ID_DEMOCOMMENT6			115
#define ID_DEMOCOMMENT7			116
#define ID_DEMOCOMMENT8			117
#define ID_DEMOCOMMENT9			118
#define ID_DEMOCOMMENT10		119
#define ID_DEMOCOMMENT11		120
#define ID_DEMOCOMMENT12		121

#define PIC_UNDERLINE			"menu/common/underline.tga"

typedef struct 
{
	menuframework_s	menu;

	menubitmap_s	main;
	menubitmap_s	engage;
	menulist_s		list;
	menubitmap_s	upArrow;
	menubitmap_s	downArrow;

	qhandle_t		currentGameTopLeft;		// Upper left corner of current game box
	qhandle_t		currentGameBotLeft;		// Bottom left corner of current game box
	qhandle_t		currentGameTopRight;	// Upper right corner of current game box

	qhandle_t		directoryUpperCorner1;	// Left Upper corner of directory box
	qhandle_t		directoryLowerCorner1;	// Left Lower corner of directory box
	qhandle_t		directoryUpperCorner2;	// Right Upper corner of directory box

	menubitmap_s	currentFile;

	int				numDemos;
	char			names[NAMEBUFSIZE];
	char			*demolist[MAX_DEMOS];

	int				currentDemoIndex;		//TiM - Increments whenevever they scroll. used to increment/decrement the list order		
} demos_t;

static demos_t	s_demos;


menufield_s	s_demoline1;
menufield_s	s_demoline2;
menufield_s	s_demoline3;
menufield_s	s_demoline4;
menufield_s	s_demoline5;
menufield_s	s_demoline6;
menufield_s	s_demoline7;
menufield_s	s_demoline8;
menufield_s	s_demoline9;
menufield_s	s_demoline10;
menufield_s	s_demoline11;
menufield_s	s_demoline12;

#define MAX_DEMODISP 12

static void* g_demoline[] =
{
	&s_demoline1, 
	&s_demoline2, 
	&s_demoline3, 
	&s_demoline4, 
	&s_demoline5, 
	&s_demoline6, 
	&s_demoline7, 
	&s_demoline8, 
	&s_demoline9, 
	&s_demoline10, 
	&s_demoline11, 
	&s_demoline12, 
	NULL,
};

/*
=================
DemoMenu_PopulateList
TiM: Used to fill the controls
array with the current list
of demos we have
=================
*/
void DemoMenu_PopulateList ( int startingIndex ) {
	int		i=0, len;
	char*	demoName;
	
	while (g_demoline[i])
	{
		if (i >= s_demos.list.numitems)
		{
			break;
		}

		demoName = s_demos.demolist[startingIndex+i];

		//TiM - Error trapping. Altho this should never happen
		if ( !demoName ) {
			((menubitmap_s *)g_demoline[i])->generic.flags	= QMF_INACTIVE|QMF_HIDDEN;
			continue;
		}

		// No demos???
		if (s_demos.list.numitems == 1)
		{
			if (!strcmp( demoName, menu_normal_text[MNT_NO_DEMOS_FOUND]))
			{
				((menubitmap_s *)g_demoline[i])->generic.flags	= QMF_INACTIVE;
			}
		}

		// strip extension
		len = strlen( demoName );
		if ( len>7 && !Q_stricmp(demoName +  len - 7,".efdemo"))
		{
			demoName[len-7] = '\0';
		}

		Q_strupr(demoName);

		((menubitmap_s *)g_demoline[i])->textPtr		= demoName;
		((menubitmap_s *)g_demoline[i])->generic.flags	= QMF_HIGHLIGHT_IF_FOCUS;

		i++;
	}
}

/*
=================
DemoMenu_Graphics
=================
*/
static void DemoMenu_Graphics (void)
{
	// Draw the basic screen layout
	UI_MenuFrame(&s_demos.menu);

	UI_DrawProportionalString(  74,  66, "88134-7",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  84, "56-0990",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  188, "3456",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  206, "7618",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  395, "692",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);

	trap_R_SetColor( colorTable[CT_DKBLUE2]);
	UI_DrawHandlePic(30,203,  47, 130, uis.whiteShader);	// Top left column square on bottom 2 3rds
	UI_DrawHandlePic(30,336,  47, 16, uis.whiteShader);	// Middle left column square on bottom 2 3rds
	UI_DrawHandlePic(30,355,  47, 34, uis.whiteShader);	// Bottom left column square on bottom 2 3rds

	// Numbers for left hand side
	UI_DrawProportionalString(  74,  206, "52662",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  339, "662",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);
	UI_DrawProportionalString(  74,  358, "101235",UI_RIGHT|UI_TINYFONT, colorTable[CT_BLACK]);

	// Current game box
	trap_R_SetColor( colorTable[CT_DKPURPLE2]);
	UI_DrawHandlePic(130,64,  88, 24, uis.whiteShader);	// Left Side of current game line box 3
	UI_DrawHandlePic(218,64,  320, 3, uis.whiteShader);	// Top of current game line
	UI_DrawHandlePic(218,85,  320, 3, uis.whiteShader);	// Bottom of current game line
	UI_DrawHandlePic(516,64,  44, 24, uis.whiteShader);	// Right side of current game line

	UI_DrawHandlePic(113, 64,  32,	32, s_demos.currentGameTopLeft);	// Upper left corner of current game box
	UI_DrawHandlePic(113, 97,  32,	32, s_demos.currentGameBotLeft);	// Bottom left corner of current game box
	UI_DrawHandlePic(559, 64,  32,	32, s_demos.currentGameTopRight);	// Upper right corner of current game box
	UI_DrawHandlePic(552, 97,  -32,	32, s_demos.currentGameBotLeft);	// Bottom right corner of current game box

	UI_DrawHandlePic(113,91,  18, 6, uis.whiteShader);	// Left side of current game line
	UI_DrawHandlePic(566,91,  18, 6, uis.whiteShader);	// Right side of current game line

	UI_DrawHandlePic(138,101,  142, 18, uis.whiteShader);	// Lower bar to left side of 'engage'
	UI_DrawHandlePic(416,101,  143, 18, uis.whiteShader);	// Lower bar to right side of 'engage'

	// Available Demos
	trap_R_SetColor( colorTable[CT_DKPURPLE2]);
	UI_DrawHandlePic(189, 168,  32,	 32, s_demos.directoryUpperCorner1);	// Left Upper corner of directory box
	UI_DrawHandlePic(189, 421,  32,	 32, s_demos.directoryLowerCorner1);	// Left Lower corner of directory box
	UI_DrawHandlePic(481, 168,  32,	 32, s_demos.directoryUpperCorner2);	// Right Upper corner of directory box
	UI_DrawHandlePic(470, 421, -32,	 32, s_demos.directoryLowerCorner1);	// Right Lower corner of directory box

	UI_DrawHandlePic(205, 168,  277,  18, uis.whiteShader);			// Top bar
	UI_DrawHandlePic(189, 193,  16,  224, uis.whiteShader);			// Left column
	{//TiM - Arrow Boxes 
		UI_DrawHandlePic(485, 193,  16,  16, uis.whiteShader);		// Up Arrow
		UI_DrawHandlePic(485, 212,  16,  187, uis.whiteShader);		// Right column
		UI_DrawHandlePic(485, 402,  16,  16, uis.whiteShader);		// Down Arrow
	}
	UI_DrawHandlePic(205, 424,  277,   8, uis.whiteShader);			// Bottom bar

	UI_DrawProportionalString(  124,  67, "67B",UI_TINYFONT, colorTable[CT_BLACK]);

	UI_DrawProportionalString( 220, 169, menu_normal_text[MNT_CURRENTDEMOSAVAILABLE], UI_SMALLFONT, colorTable[CT_BLACK]);
}

/*
=================
Demos_MenuDraw
=================
*/
static void Demos_MenuDraw (void)
{
	
	// Draw graphics particular to Demo Menu
	DemoMenu_Graphics();

	Menu_Draw( &s_demos.menu );
}


/*
===============
Demos_MenuEvent
===============
*/
static void Demos_MenuEvent( void *ptr, int event ) 
{
	int index;

	if( event != QM_ACTIVATED ) 
	{
		return;
	}

	switch( ((menucommon_s*)ptr)->id ) 
	{
		case ID_UP:
			s_demos.currentDemoIndex--;

			if ( s_demos.currentDemoIndex < 0 )
				s_demos.currentDemoIndex = 0;

			DemoMenu_PopulateList( s_demos.currentDemoIndex );
			break;

		case ID_DOWN:
			s_demos.currentDemoIndex++;

			//TiM - cap it when the final entry is in view
			if ( s_demos.list.numitems > MAX_DEMODISP 
				 && ( s_demos.currentDemoIndex + MAX_DEMODISP ) > s_demos.list.numitems )
				s_demos.currentDemoIndex = s_demos.list.numitems-MAX_DEMODISP;

			DemoMenu_PopulateList( s_demos.currentDemoIndex );
			break;

		case ID_DEMOCOMMENT1:
		case ID_DEMOCOMMENT2:
		case ID_DEMOCOMMENT3:
		case ID_DEMOCOMMENT4:
		case ID_DEMOCOMMENT5:
		case ID_DEMOCOMMENT6:
		case ID_DEMOCOMMENT7:
		case ID_DEMOCOMMENT8:
		case ID_DEMOCOMMENT9:
		case ID_DEMOCOMMENT10:
		case ID_DEMOCOMMENT11:
		case ID_DEMOCOMMENT12:
			index = ((menucommon_s*)ptr)->id - ID_DEMOCOMMENT1;
			if (((menubitmap_s *)g_demoline[index])->textPtr)
			{
				//s_demos.currentDemoIndex = index;
				s_demos.currentFile.textPtr = (((menubitmap_s *)g_demoline[index])->textPtr);
				//make it so
				s_demos.engage.generic.flags	= QMF_HIGHLIGHT_IF_FOCUS;
			}
			break;


		case ID_ENGAGE:
			UI_ForceMenuOff ();
			trap_Cmd_ExecuteText( EXEC_APPEND, va( "demo %s.efdemo\n", s_demos.currentFile.textPtr) );
			break;

		case ID_MAINMENU:
			UI_PopMenu();
			break;
	}
}


/*
=================
UI_DemosMenu_Key
=================
*/
static sfxHandle_t UI_DemosMenu_Key( int key ) 
{
	menucommon_s	*item;

	item = Menu_ItemAtCursor( &s_demos.menu );

	return Menu_DefaultKey( &s_demos.menu, key );
}

/*
===============
UI_DemosMenu_Cache
===============
*/
void UI_DemosMenu_Cache( void ) 
{
	s_demos.currentGameTopLeft = trap_R_RegisterShaderNoMip("menu/common/corner_ul_18_24.tga");
	s_demos.currentGameBotLeft = trap_R_RegisterShaderNoMip("menu/common/corner_ll_18_18.tga");
	s_demos.currentGameTopRight = trap_R_RegisterShaderNoMip("menu/common/corner_ur_18_24.tga");
	s_demos.directoryUpperCorner1 = trap_R_RegisterShaderNoMip("menu/common/corner_ul_16_18.tga");
	s_demos.directoryLowerCorner1 = trap_R_RegisterShaderNoMip("menu/common/corner_ll_8_16.tga");
	s_demos.directoryUpperCorner2 = trap_R_RegisterShaderNoMip("menu/common/corner_ur_16_18.tga");

	trap_R_RegisterShaderNoMip( "menu/common/arrow_up_16.tga" );
	trap_R_RegisterShaderNoMip( "menu/common/arrow_dn_16.tga" );
	trap_R_RegisterShaderNoMip( PIC_UNDERLINE );

}


/*
===============
Demos_MenuInit
===============
*/
static void Demos_MenuInit( void ) 
{
	int		i,x,y;
	int		len;
	char	*demoname;

	memset( &s_demos, 0 ,sizeof(demos_t) );
	s_demos.menu.key = UI_DemosMenu_Key;

	UI_DemosMenu_Cache();

	s_demos.menu.fullscreen					= qtrue;
	s_demos.menu.wrapAround					= qtrue;
	s_demos.menu.draw						= Demos_MenuDraw;
	s_demos.menu.descX						= MENU_DESC_X;
	s_demos.menu.descY						= MENU_DESC_Y;	
	s_demos.menu.titleX						= MENU_TITLE_X;
	s_demos.menu.titleY						= MENU_TITLE_Y;
	s_demos.menu.titleI						= MNT_DEMOS_TITLE;
	s_demos.menu.footNoteEnum				= MNT_DEMOS;

	s_demos.main.generic.type				= MTYPE_BITMAP;      
	s_demos.main.generic.flags				= QMF_HIGHLIGHT_IF_FOCUS;
	s_demos.main.generic.x					= 482;
	s_demos.main.generic.y					= 136;
	s_demos.main.generic.name				= BUTTON_GRAPHIC_LONGRIGHT;
	s_demos.main.generic.id					= ID_MAINMENU;
	s_demos.main.generic.callback			= Demos_MenuEvent;
	s_demos.main.width						= MENU_BUTTON_MED_WIDTH;
	s_demos.main.height						= MENU_BUTTON_MED_HEIGHT;
	s_demos.main.color						= CT_DKPURPLE1;
	s_demos.main.color2						= CT_LTPURPLE1;
	s_demos.main.textX						= MENU_BUTTON_TEXT_X;
	s_demos.main.textY						= MENU_BUTTON_TEXT_Y;
	s_demos.main.textEnum					= MBT_MAINMENU;
	s_demos.main.textcolor					= CT_BLACK;
	s_demos.main.textcolor2					= CT_WHITE;

	s_demos.engage.generic.type				= MTYPE_BITMAP;      
	s_demos.engage.generic.flags			= (QMF_INACTIVE|QMF_GRAYED);
	s_demos.engage.generic.x				= 283;
	s_demos.engage.generic.y				= 101;
	s_demos.engage.generic.name				= GRAPHIC_SQUARE;
	s_demos.engage.generic.id				= ID_ENGAGE;
	s_demos.engage.generic.callback			= Demos_MenuEvent;
	s_demos.engage.width					= MENU_BUTTON_MED_WIDTH;
	s_demos.engage.height					= MENU_BUTTON_MED_HEIGHT;
	s_demos.engage.color					= CT_DKPURPLE1;
	s_demos.engage.color2					= CT_LTPURPLE1;
	s_demos.engage.textX					= MENU_BUTTON_TEXT_X;
	s_demos.engage.textY					= MENU_BUTTON_TEXT_Y;
	s_demos.engage.textEnum					= MBT_ENGAGEDEMO;
	s_demos.engage.textcolor				= CT_BLACK;
	s_demos.engage.textcolor2				= CT_WHITE;

	s_demos.upArrow.generic.type			= MTYPE_BITMAP;
	s_demos.upArrow.generic.flags			= (QMF_INACTIVE|QMF_GRAYED);
	s_demos.upArrow.generic.x				= 486;
	s_demos.upArrow.generic.y				= 195;
	s_demos.upArrow.generic.name			= "menu/common/arrow_up_16.tga";
	s_demos.upArrow.generic.id				= ID_UP;
	s_demos.upArrow.generic.callback		= Demos_MenuEvent;
	s_demos.upArrow.width					= 14;
	s_demos.upArrow.height					= 14;
	s_demos.upArrow.color					= CT_DKGOLD1;;
	s_demos.upArrow.color2					= CT_LTGOLD1;;
	s_demos.upArrow.textcolor				= CT_BLACK;
	s_demos.upArrow.textcolor2				= CT_WHITE;

	s_demos.downArrow.generic.type			= MTYPE_BITMAP;
	s_demos.downArrow.generic.flags			= (QMF_INACTIVE|QMF_GRAYED);
	s_demos.downArrow.generic.x				= 486;
	s_demos.downArrow.generic.y				= 404;
	s_demos.downArrow.generic.name			= "menu/common/arrow_dn_16.tga";
	s_demos.downArrow.generic.id			= ID_DOWN;
	s_demos.downArrow.generic.callback		= Demos_MenuEvent;
	s_demos.downArrow.width					= 14;
	s_demos.downArrow.height				= 14;
	s_demos.downArrow.color					= CT_DKGOLD1;
	s_demos.downArrow.color2				= CT_LTGOLD1;
	s_demos.downArrow.textcolor				= CT_BLACK;
	s_demos.downArrow.textcolor2			= CT_WHITE;

	s_demos.currentFile.generic.type		= MTYPE_BITMAP;      
	s_demos.currentFile.generic.flags		= QMF_INACTIVE;
	s_demos.currentFile.generic.x			= 218;
	s_demos.currentFile.generic.y			= 68;
	s_demos.currentFile.generic.name		= BUTTON_GRAPHIC_LONGRIGHT;
	s_demos.currentFile.generic.id			= ID_MAINMENU;
	s_demos.currentFile.generic.callback	= Demos_MenuEvent;
	s_demos.currentFile.width				= MENU_BUTTON_MED_WIDTH;
	s_demos.currentFile.height				= MENU_BUTTON_MED_HEIGHT;
	s_demos.currentFile.color				= CT_BLACK;
	s_demos.currentFile.color2				= CT_BLACK;
	s_demos.currentFile.textX				= MENU_BUTTON_TEXT_X;
	s_demos.currentFile.textY				= MENU_BUTTON_TEXT_Y;
	s_demos.currentFile.textEnum			= MNT_NONE;
	s_demos.currentFile.textPtr				= NULL;
	s_demos.currentFile.textcolor			= CT_YELLOW;

	s_demos.list.generic.type				= MTYPE_SCROLLLIST;
	s_demos.list.generic.flags				= QMF_PULSEIFFOCUS;
	s_demos.list.generic.callback			= Demos_MenuEvent;
	s_demos.list.generic.id					= ID_LIST;
	s_demos.list.generic.x					= 118;
	s_demos.list.generic.y					= 170;
	s_demos.list.width						= 16;
	s_demos.list.height						= 14;
	s_demos.list.numitems					= trap_FS_GetFileList( "demos", ".efdemo", s_demos.names, NAMEBUFSIZE );
	s_demos.list.itemnames					= (const char **)s_demos.demolist;
	s_demos.list.columns					= 3;

	x = 225;
	y = 200;
	i=0;
	while (g_demoline[i])
	{
		((menubitmap_s *)g_demoline[i])->generic.type			= MTYPE_BITMAP;      
		((menubitmap_s *)g_demoline[i])->generic.flags			= QMF_INACTIVE | QMF_HIDDEN;
		((menubitmap_s *)g_demoline[i])->generic.x				= x;
		((menubitmap_s *)g_demoline[i])->generic.y				= y;
		((menubitmap_s *)g_demoline[i])->generic.name			= PIC_UNDERLINE;
		((menubitmap_s *)g_demoline[i])->generic.callback		= Demos_MenuEvent;
		((menubitmap_s *)g_demoline[i])->generic.id				= ID_DEMOCOMMENT1+i;
		((menubitmap_s *)g_demoline[i])->width					= 240;
		((menubitmap_s *)g_demoline[i])->height					= 16;
		((menubitmap_s *)g_demoline[i])->color					= CT_DKPURPLE1;
		((menubitmap_s *)g_demoline[i])->color2					= CT_LTPURPLE1;
		((menubitmap_s *)g_demoline[i])->textPtr				= NULL;
		((menubitmap_s *)g_demoline[i])->textX					= 4;
		((menubitmap_s *)g_demoline[i])->textY					= 1;
		((menubitmap_s *)g_demoline[i])->textcolor				= CT_DKGOLD1;
		((menubitmap_s *)g_demoline[i])->textcolor2				= CT_LTGOLD1;
		((menubitmap_s *)g_demoline[i])->textStyle				= UI_TINYFONT;
//		((menubitmap_s *)g_demoline[i])->textEnum				= MBT_DEMOLINE;

		Menu_AddItem( &s_demos.menu, ( void * )g_demoline[i]);
		y += 18;
		++i;
	}

	// No demos??
	if (!s_demos.list.numitems) 
	{
		strcpy( s_demos.names, menu_normal_text[MNT_NO_DEMOS_FOUND] );
		s_demos.list.numitems = 1;
	}
	else if (s_demos.list.numitems > MAX_DEMOS)
	{// Too many demos???
		s_demos.list.numitems = MAX_DEMOS;
	}

	//TiM - If the list is longer than we can fit, enable the scroll buttons
	if ( s_demos.list.numitems > MAX_DEMODISP ) {
		s_demos.upArrow.generic.flags = QMF_HIGHLIGHT_IF_FOCUS;	
		s_demos.downArrow.generic.flags = QMF_HIGHLIGHT_IF_FOCUS;	
	}

	// Point fields to demo names
	i=0;
	demoname = s_demos.names;
	//TiM - instead of sending the list names directly to the controls, we'll populate an array
	//with them and then selectively add the ones we want at the time to the controls. :)
	while ( i < s_demos.list.numitems ) {
		if ( !demoname )
			break;
		
		// strip extension
		len = strlen( demoname );
		if ( len>7 && !Q_stricmp(demoname +  len - 7,".efdemo"))
		{
			demoname[len-7] = '\0';
		}
		//Q_strupr(demoname);

		//insert into the array
		s_demos.demolist[i] = demoname;

		//increment
		demoname += len + 1;
		i++;
	}

	//Populate the controls with the values from the array	
	DemoMenu_PopulateList( s_demos.currentDemoIndex ); 

	Menu_AddItem( &s_demos.menu, &s_demos.main );
//	Menu_AddItem( &s_demos.menu, &s_demos.list );
	Menu_AddItem( &s_demos.menu, &s_demos.engage );
	Menu_AddItem( &s_demos.menu, &s_demos.currentFile );
	Menu_AddItem( &s_demos.menu, &s_demos.upArrow );
	Menu_AddItem( &s_demos.menu, &s_demos.downArrow );
}


/*
===============
UI_DemosMenu
===============
*/
void UI_DemosMenu( void ) 
{
	Demos_MenuInit();
	UI_PushMenu( &s_demos.menu );
}