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

DEMOS MENU

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


#include "ui_local.h"
#include "ui_logger.h"

enum ui_Demo2Limits_e {
	MAX_DEMODISP = 12,
	MAX_DEMOS = 128,
	NAMEBUFSIZE = (MAX_DEMOS * 16)
};

enum ui_Demo2IDs_e {
	ID_MAINMENU = 10,
	ID_ENGAGE,
	ID_LIST,
	ID_UP,
	ID_DOWN,

	ID_DEMOCOMMENT1 = 110,
	ID_DEMOCOMMENT2,
	ID_DEMOCOMMENT3,
	ID_DEMOCOMMENT4,
	ID_DEMOCOMMENT5,
	ID_DEMOCOMMENT6,
	ID_DEMOCOMMENT7,
	ID_DEMOCOMMENT8,
	ID_DEMOCOMMENT9,
	ID_DEMOCOMMENT10,
	ID_DEMOCOMMENT11,
	ID_DEMOCOMMENT12
};

static const char 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;

	int32_t				numDemos;
	char			names[NAMEBUFSIZE];
	char			*demolist[MAX_DEMOS];

	int32_t				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;

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(int32_t startingIndex) {
	UI_LogFuncBegin();
	int32_t		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++;
	}
	UI_LogFuncEnd();
}

/*
=================
DemoMenu_Graphics
=================
*/
static void DemoMenu_Graphics(void)
{
	UI_LogFuncBegin();
	// 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]);
	UI_LogFuncEnd();
}

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

	Menu_Draw(&s_demos.menu);
	UI_LogFuncEnd();
}


/*
===============
Demos_MenuEvent
===============
*/
static void Demos_MenuEvent(void *ptr, int32_t event)
{
	UI_LogFuncBegin();
	int32_t index;

	if (event != QM_ACTIVATED)
	{
		UI_LogFuncEnd();
		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_LogFuncEnd();
}


/*
=================
UI_DemosMenu_Key
=================
*/
static sfxHandle_t UI_DemosMenu_Key(int32_t key)
{
	UI_LogFuncBegin();
	UI_LogFuncEnd();
	return Menu_DefaultKey(&s_demos.menu, key);
}

/*
===============
UI_DemosMenu_Cache
===============
*/
void UI_DemosMenu_Cache(void)
{
	UI_LogFuncBegin();
	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);
	UI_LogFuncEnd();
}


/*
===============
Demos_MenuInit
===============
*/
static void Demos_MenuInit(void)
{
	UI_LogFuncBegin();
	int32_t		i, x, y;
	int32_t		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_LogFuncEnd();
}


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