Source to src/mn_menu.c


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// MN_menu.c

#include <ctype.h>
#include "DoomDef.h"
#include "P_local.h"
#include "R_local.h"
#include "soundst.h"

// Macros

#define LEFT_DIR 0
#define RIGHT_DIR 1
#define ITEM_HEIGHT 20
#define SELECTOR_XOFFSET (-28)
#define SELECTOR_YOFFSET (-1)
#define SLOTTEXTLEN     16
#define ASCII_CURSOR '['

// Types

typedef enum
{
	ITT_EMPTY,
	ITT_EFUNC,
	ITT_LRFUNC,
	ITT_SETMENU,
	ITT_INERT
} ItemType_t;

typedef enum
{
	MENU_MAIN,
	MENU_EPISODE,
	MENU_SKILL,
	MENU_OPTIONS,
	MENU_OPTIONS2,
	MENU_FILES,
	MENU_LOAD,
	MENU_SAVE,
	MENU_NONE
} MenuType_t;

typedef struct
{
	ItemType_t type;
	char *text;
	boolean (*func)(int option);
	int option;
	MenuType_t menu;
} MenuItem_t;

typedef struct
{
	int x;
	int y;
	void (*drawFunc)(void);
	int itemCount;
	MenuItem_t *items;
	int oldItPos;
	MenuType_t prevMenu;
} Menu_t;

// Private Functions

static void InitFonts(void);
static void SetMenu(MenuType_t menu);
static boolean SCNetCheck(int option);
static boolean SCQuitGame(int option);
static boolean SCEpisode(int option);
static boolean SCSkill(int option);
static boolean SCMouseSensi(int option);
static boolean SCSfxVolume(int option);
static boolean SCMusicVolume(int option);
static boolean SCScreenSize(int option);
static boolean SCLoadGame(int option);
static boolean SCSaveGame(int option);
static boolean SCMessages(int option);
static boolean SCEndGame(int option);
static boolean SCInfo(int option);
static void DrawMainMenu(void);
static void DrawEpisodeMenu(void);
static void DrawSkillMenu(void);
static void DrawOptionsMenu(void);
static void DrawOptions2Menu(void);
static void DrawFileSlots(Menu_t *menu);
static void DrawFilesMenu(void);
static void MN_DrawInfo(void);
static void DrawLoadMenu(void);
static void DrawSaveMenu(void);
static void DrawSlider(Menu_t *menu, int item, int width, int slot);
void MN_LoadSlotText(void);

// External Data

extern int detailLevel;
extern int screenblocks;

// Public Data

boolean MenuActive;
int InfoType;
boolean messageson;

// Private Data

static int FontABaseLump;
static int FontBBaseLump;
static int SkullBaseLump;
static Menu_t *CurrentMenu;
static int CurrentItPos;
static int MenuEpisode;
static int MenuTime;
static boolean soundchanged;

boolean askforquit;
boolean typeofask;
static boolean FileMenuKeySteal;
static boolean slottextloaded;
static char SlotText[6][SLOTTEXTLEN+2];
static char oldSlotText[SLOTTEXTLEN+2];
static int SlotStatus[6];
static int slotptr;
static int currentSlot;
static int quicksave;
static int quickload;

static MenuItem_t MainItems[] =
{
	{ ITT_EFUNC, "NEW GAME", SCNetCheck, 1, MENU_EPISODE },
	{ ITT_SETMENU, "OPTIONS", NULL, 0, MENU_OPTIONS },
	{ ITT_SETMENU, "GAME FILES", NULL, 0, MENU_FILES },
	{ ITT_EFUNC, "INFO", SCInfo, 0, MENU_NONE },
	{ ITT_EFUNC, "QUIT GAME", SCQuitGame, 0, MENU_NONE }
};

static Menu_t MainMenu =
{
	110, 56,
	DrawMainMenu,
	5, MainItems,
	0,
	MENU_NONE
};

static MenuItem_t EpisodeItems[] =
{
	{ ITT_EFUNC, "CITY OF THE DAMNED", SCEpisode, 1, MENU_NONE },
	{ ITT_EFUNC, "HELL'S MAW", SCEpisode, 2, MENU_NONE },
	{ ITT_EFUNC, "THE DOME OF D'SPARIL", SCEpisode, 3, MENU_NONE },
	{ ITT_EFUNC, "THE OSSUARY", SCEpisode, 4, MENU_NONE },
	{ ITT_EFUNC, "THE STAGNANT DEMESNE", SCEpisode, 5, MENU_NONE }
};

static Menu_t EpisodeMenu =
{
	80, 50,
	DrawEpisodeMenu,
	3, EpisodeItems,
	0,
	MENU_MAIN
};

static MenuItem_t FilesItems[] =
{
	{ ITT_EFUNC, "LOAD GAME", SCNetCheck, 2, MENU_LOAD },
	{ ITT_SETMENU, "SAVE GAME", NULL, 0, MENU_SAVE }
};

static Menu_t FilesMenu =
{
	110, 60,
	DrawFilesMenu,
	2, FilesItems,
	0,
	MENU_MAIN
};

static MenuItem_t LoadItems[] =
{
	{ ITT_EFUNC, NULL, SCLoadGame, 0, MENU_NONE },
	{ ITT_EFUNC, NULL, SCLoadGame, 1, MENU_NONE },
	{ ITT_EFUNC, NULL, SCLoadGame, 2, MENU_NONE },
	{ ITT_EFUNC, NULL, SCLoadGame, 3, MENU_NONE },
	{ ITT_EFUNC, NULL, SCLoadGame, 4, MENU_NONE },
	{ ITT_EFUNC, NULL, SCLoadGame, 5, MENU_NONE }
};

static Menu_t LoadMenu =
{
	70, 30,
	DrawLoadMenu,
	6, LoadItems,
	0,
	MENU_FILES
};

static MenuItem_t SaveItems[] =
{
	{ ITT_EFUNC, NULL, SCSaveGame, 0, MENU_NONE },
	{ ITT_EFUNC, NULL, SCSaveGame, 1, MENU_NONE },
	{ ITT_EFUNC, NULL, SCSaveGame, 2, MENU_NONE },
	{ ITT_EFUNC, NULL, SCSaveGame, 3, MENU_NONE },
	{ ITT_EFUNC, NULL, SCSaveGame, 4, MENU_NONE },
	{ ITT_EFUNC, NULL, SCSaveGame, 5, MENU_NONE }
};

static Menu_t SaveMenu =
{
	70, 30,
	DrawSaveMenu,
	6, SaveItems,
	0,
	MENU_FILES
};

static MenuItem_t SkillItems[] =
{
	{ ITT_EFUNC, "THOU NEEDETH A WET-NURSE", SCSkill, sk_baby, MENU_NONE },
	{ ITT_EFUNC, "YELLOWBELLIES-R-US", SCSkill, sk_easy, MENU_NONE },
	{ ITT_EFUNC, "BRINGEST THEM ONETH", SCSkill, sk_medium, MENU_NONE },
	{ ITT_EFUNC, "THOU ART A SMITE-MEISTER", SCSkill, sk_hard, MENU_NONE },
	{ ITT_EFUNC, "BLACK PLAGUE POSSESSES THEE",
		SCSkill, sk_nightmare, MENU_NONE }
};

static Menu_t SkillMenu =
{
	38, 30,
	DrawSkillMenu,
	5, SkillItems,
	2,
	MENU_EPISODE
};

static MenuItem_t OptionsItems[] =
{
	{ ITT_EFUNC, "END GAME", SCEndGame, 0, MENU_NONE },
	{ ITT_EFUNC, "MESSAGES : ", SCMessages, 0, MENU_NONE },
	{ ITT_LRFUNC, "MOUSE SENSITIVITY", SCMouseSensi, 0, MENU_NONE },
	{ ITT_EMPTY, NULL, NULL, 0, MENU_NONE },
	{ ITT_SETMENU, "MORE...", NULL, 0, MENU_OPTIONS2 }
};

static Menu_t OptionsMenu =
{
	88, 30,
	DrawOptionsMenu,
	5, OptionsItems,
	0,
	MENU_MAIN
};

static MenuItem_t Options2Items[] =
{
	{ ITT_LRFUNC, "SCREEN SIZE", SCScreenSize, 0, MENU_NONE },
	{ ITT_EMPTY, NULL, NULL, 0, MENU_NONE },
	{ ITT_LRFUNC, "SFX VOLUME", SCSfxVolume, 0, MENU_NONE },
	{ ITT_EMPTY, NULL, NULL, 0, MENU_NONE },
	{ ITT_LRFUNC, "MUSIC VOLUME", SCMusicVolume, 0, MENU_NONE },
	{ ITT_EMPTY, NULL, NULL, 0, MENU_NONE }
};

static Menu_t Options2Menu =
{
	90, 20,
	DrawOptions2Menu,
	6, Options2Items,
	0,
	MENU_OPTIONS
};

static Menu_t *Menus[] =
{
	&MainMenu,
	&EpisodeMenu,
	&SkillMenu,
	&OptionsMenu,
	&Options2Menu,
	&FilesMenu,
	&LoadMenu,
	&SaveMenu
};

//---------------------------------------------------------------------------
//
// PROC MN_Init
//
//---------------------------------------------------------------------------

void MN_Init(void)
{
	InitFonts();
	MenuActive = false;
	messageson = true;
	SkullBaseLump = W_GetNumForName("M_SKL00");
	if(ExtendedWAD)
	{ // Add episodes 4 and 5 to the menu
		EpisodeMenu.itemCount = 5;
		EpisodeMenu.y -= ITEM_HEIGHT;
	}
}

//---------------------------------------------------------------------------
//
// PROC InitFonts
//
//---------------------------------------------------------------------------

static void InitFonts(void)
{
	FontABaseLump = W_GetNumForName("FONTA_S")+1;
	FontBBaseLump = W_GetNumForName("FONTB_S")+1;
}

//---------------------------------------------------------------------------
//
// PROC MN_DrTextA
//
// Draw text using font A.
//
//---------------------------------------------------------------------------

void MN_DrTextA(char *text, int x, int y)
{
	char c;
	patch_t *p;

	while((c = *text++) != 0)
	{
		if(c < 33)
		{
			x += 5;
		}
		else
		{
			p = W_CacheLumpNum(FontABaseLump+c-33, PU_CACHE);
			V_DrawPatch(x, y, p);
			x += p->width-1;
		}
	}
}

//---------------------------------------------------------------------------
//
// FUNC MN_TextAWidth
//
// Returns the pixel width of a string using font A.
//
//---------------------------------------------------------------------------

int MN_TextAWidth(char *text)
{
	char c;
	int width;
	patch_t *p;

	width = 0;
	while((c = *text++) != 0)
	{
		if(c < 33)
		{
			width += 5;
		}
		else
		{
			p = W_CacheLumpNum(FontABaseLump+c-33, PU_CACHE);
			width += p->width-1;
		}
	}
	return(width);
}

//---------------------------------------------------------------------------
//
// PROC MN_DrTextB
//
// Draw text using font B.
//
//---------------------------------------------------------------------------

void MN_DrTextB(char *text, int x, int y)
{
	char c;
	patch_t *p;

	while((c = *text++) != 0)
	{
		if(c < 33)
		{
			x += 8;
		}
		else
		{
			p = W_CacheLumpNum(FontBBaseLump+c-33, PU_CACHE);
			V_DrawPatch(x, y, p);
			x += p->width-1;
		}
	}
}

//---------------------------------------------------------------------------
//
// FUNC MN_TextBWidth
//
// Returns the pixel width of a string using font B.
//
//---------------------------------------------------------------------------

int MN_TextBWidth(char *text)
{
	char c;
	int width;
	patch_t *p;

	width = 0;
	while((c = *text++) != 0)
	{
		if(c < 33)
		{
			width += 5;
		}
		else
		{
			p = W_CacheLumpNum(FontBBaseLump+c-33, PU_CACHE);
			width += p->width-1;
		}
	}
	return(width);
}

//---------------------------------------------------------------------------
//
// PROC MN_Ticker
//
//---------------------------------------------------------------------------

void MN_Ticker(void)
{
	if(MenuActive == false)
	{
		return;
	}
	MenuTime++;
}

//---------------------------------------------------------------------------
//
// PROC MN_Drawer
//
//---------------------------------------------------------------------------

char *QuitEndMsg[] =
{
	"ARE YOU SURE YOU WANT TO QUIT?",
	"ARE YOU SURE YOU WANT TO END THE GAME?",
	"DO YOU WANT TO QUICKSAVE THE GAME NAMED",
	"DO YOU WANT TO QUICKLOAD THE GAME NAMED"
};

void MN_Drawer(void)
{
	int i;
	int x;
	int y;
	MenuItem_t *item;
	char *selName;

	if(MenuActive == false)
	{
		if(askforquit)
		{
			MN_DrTextA(QuitEndMsg[typeofask-1], 160-
				MN_TextAWidth(QuitEndMsg[typeofask-1])/2, 80);
			if(typeofask == 3)
			{
				MN_DrTextA(SlotText[quicksave-1], 160-
					MN_TextAWidth(SlotText[quicksave-1])/2, 90);
				MN_DrTextA("?", 160+
					MN_TextAWidth(SlotText[quicksave-1])/2, 90);
			}
			if(typeofask == 4)
			{
				MN_DrTextA(SlotText[quickload-1], 160-
					MN_TextAWidth(SlotText[quickload-1])/2, 90);
				MN_DrTextA("?", 160+
					MN_TextAWidth(SlotText[quickload-1])/2, 90);
			}
			UpdateState |= I_FULLSCRN;
		}
		return;
	}
	else
	{
		UpdateState |= I_FULLSCRN;
		if(InfoType)
		{
			MN_DrawInfo();
			return;
		}
		if(screenblocks < 10)
		{
			BorderNeedRefresh = true;
		}
		if(CurrentMenu->drawFunc != NULL)
		{
			CurrentMenu->drawFunc();
		}
		x = CurrentMenu->x;
		y = CurrentMenu->y;
		item = CurrentMenu->items;
		for(i = 0; i < CurrentMenu->itemCount; i++)
		{
			if(item->type != ITT_EMPTY && item->text)
			{
				MN_DrTextB(item->text, x, y);
			}
			y += ITEM_HEIGHT;
			item++;
		}
		y = CurrentMenu->y+(CurrentItPos*ITEM_HEIGHT)+SELECTOR_YOFFSET;
		selName = MenuTime&16 ? "M_SLCTR1" : "M_SLCTR2";
		V_DrawPatch(x+SELECTOR_XOFFSET, y,
			W_CacheLumpName(selName, PU_CACHE));
	}
}

//---------------------------------------------------------------------------
//
// PROC DrawMainMenu
//
//---------------------------------------------------------------------------

static void DrawMainMenu(void)
{
	int frame;

	frame = (MenuTime/3)%18;
	V_DrawPatch(88, 0, W_CacheLumpName("M_HTIC", PU_CACHE));
	V_DrawPatch(40, 10, W_CacheLumpNum(SkullBaseLump+(17-frame),
		PU_CACHE));
	V_DrawPatch(232, 10, W_CacheLumpNum(SkullBaseLump+frame, PU_CACHE));
}

//---------------------------------------------------------------------------
//
// PROC DrawEpisodeMenu
//
//---------------------------------------------------------------------------

static void DrawEpisodeMenu(void)
{
}

//---------------------------------------------------------------------------
//
// PROC DrawSkillMenu
//
//---------------------------------------------------------------------------

static void DrawSkillMenu(void)
{
}

//---------------------------------------------------------------------------
//
// PROC DrawFilesMenu
//
//---------------------------------------------------------------------------

static void DrawFilesMenu(void)
{
// clear out the quicksave/quickload stuff
	quicksave = 0;
	quickload = 0;
	players[consoleplayer].message = NULL;
	players[consoleplayer].messageTics = 1;
}

//---------------------------------------------------------------------------
//
// PROC DrawLoadMenu
//
//---------------------------------------------------------------------------

static void DrawLoadMenu(void)
{
	MN_DrTextB("LOAD GAME", 160-MN_TextBWidth("LOAD GAME")/2, 10);
	if(!slottextloaded)
	{
		MN_LoadSlotText();
	}
	DrawFileSlots(&LoadMenu);
}

//---------------------------------------------------------------------------
//
// PROC DrawSaveMenu
//
//---------------------------------------------------------------------------

static void DrawSaveMenu(void)
{
	MN_DrTextB("SAVE GAME", 160-MN_TextBWidth("SAVE GAME")/2, 10);
	if(!slottextloaded)
	{
		MN_LoadSlotText();
	}
	DrawFileSlots(&SaveMenu);
}

//===========================================================================
//
// MN_LoadSlotText
//
//              Loads in the text message for each slot
//===========================================================================

void MN_LoadSlotText(void)
{
	FILE *fp;
	int             count;
	int             i;
	char    name[256];

	for (i = 0; i < 6; i++)
	{
		if(cdrom)
		{
			sprintf(name, SAVEGAMENAMECD"%d.hsg", i);
		}
		else
		{
			sprintf(name, SAVEGAMENAME"%d.hsg", i);
		}
		fp = fopen(name, "rb+");
		if (!fp)
		{
			SlotText[i][0] = 0; // empty the string
			SlotStatus[i] = 0;
			continue;
		}
		count = fread(&SlotText[i], SLOTTEXTLEN, 1, fp);
		fclose(fp);
		SlotStatus[i] = 1;
	}
	slottextloaded = true;
}

//---------------------------------------------------------------------------
//
// PROC DrawFileSlots
//
//---------------------------------------------------------------------------

static void DrawFileSlots(Menu_t *menu)
{
	int i;
	int x;
	int y;

	x = menu->x;
	y = menu->y;
	for(i = 0; i < 6; i++)
	{
		V_DrawPatch(x, y, W_CacheLumpName("M_FSLOT", PU_CACHE));
		if(SlotStatus[i])
		{
			MN_DrTextA(SlotText[i], x+5, y+5);
		}
		y += ITEM_HEIGHT;
	}
}

//---------------------------------------------------------------------------
//
// PROC DrawOptionsMenu
//
//---------------------------------------------------------------------------

static void DrawOptionsMenu(void)
{
	if(messageson)
	{
		MN_DrTextB("ON", 196, 50);
	}
	else
	{
		MN_DrTextB("OFF", 196, 50);
	}
	DrawSlider(&OptionsMenu, 3, 10, mouseSensitivity);
}

//---------------------------------------------------------------------------
//
// PROC DrawOptions2Menu
//
//---------------------------------------------------------------------------

static void DrawOptions2Menu(void)
{
	DrawSlider(&Options2Menu, 1, 9, screenblocks-3);
	DrawSlider(&Options2Menu, 3, 16, snd_MaxVolume);
	DrawSlider(&Options2Menu, 5, 16, snd_MusicVolume);
}

//---------------------------------------------------------------------------
//
// PROC SCNetCheck
//
//---------------------------------------------------------------------------

static boolean SCNetCheck(int option)
{
	if(!netgame)
	{ // okay to go into the menu
		return true;
	}
	switch(option)
	{
		case 1:
			P_SetMessage(&players[consoleplayer],
				"YOU CAN'T START A NEW GAME IN NETPLAY!", true);
			break;
		case 2:
			P_SetMessage(&players[consoleplayer],
				"YOU CAN'T LOAD A GAME IN NETPLAY!", true);
			break;
		default:
			break;
	}
	MenuActive = false;
	return false;
}

//---------------------------------------------------------------------------
//
// PROC SCQuitGame
//
//---------------------------------------------------------------------------

static boolean SCQuitGame(int option)
{
	MenuActive = false;
	askforquit = true;
	typeofask = 1; //quit game
	if(!netgame && !demoplayback)
	{
		paused = true;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCEndGame
//
//---------------------------------------------------------------------------

static boolean SCEndGame(int option)
{
	if(demoplayback || netgame)
	{
		return false;
	}
	MenuActive = false;
	askforquit = true;
	typeofask = 2; //endgame
	if(!netgame && !demoplayback)
	{
		paused = true;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCMessages
//
//---------------------------------------------------------------------------

static boolean SCMessages(int option)
{
	messageson ^= 1;
	if(messageson)
	{
		P_SetMessage(&players[consoleplayer], "MESSAGES ON", true);
	}
	else
	{
		P_SetMessage(&players[consoleplayer], "MESSAGES OFF", true);
	}
	S_StartSound(NULL, sfx_chat);
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCLoadGame
//
//---------------------------------------------------------------------------

static boolean SCLoadGame(int option)
{
	char name[256];

	if(!SlotStatus[option])
	{ // slot's empty...don't try and load
		return false;
	}
	if(cdrom)
	{
		sprintf(name, SAVEGAMENAMECD"%d.hsg", option);
	}
	else
	{
		sprintf(name, SAVEGAMENAME"%d.hsg", option);
	}
	G_LoadGame(name);
	MN_DeactivateMenu();
	BorderNeedRefresh = true;
	if(quickload == -1)
	{
		quickload = option+1;
		players[consoleplayer].message = NULL;
		players[consoleplayer].messageTics = 1;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCSaveGame
//
//---------------------------------------------------------------------------

static boolean SCSaveGame(int option)
{
	char *ptr;

	if(!FileMenuKeySteal)
	{
		FileMenuKeySteal = true;
		strcpy(oldSlotText, SlotText[option]);
		ptr = SlotText[option];
		while(*ptr)
		{
			ptr++;
		}
		*ptr = '[';
		*(ptr+1) = 0;
		SlotStatus[option]++;
		currentSlot = option;
		slotptr = ptr-SlotText[option];
		return false;
	}
	else
	{
		G_SaveGame(option, SlotText[option]);
		FileMenuKeySteal = false;
		MN_DeactivateMenu();
	}
	BorderNeedRefresh = true;
	if(quicksave == -1)
	{
		quicksave = option+1;
		players[consoleplayer].message = NULL;
		players[consoleplayer].messageTics = 1;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCEpisode
//
//---------------------------------------------------------------------------

static boolean SCEpisode(int option)
{
	if(shareware && option > 1)
	{
		P_SetMessage(&players[consoleplayer],
			"ONLY AVAILABLE IN THE REGISTERED VERSION", true);
	}
	else
	{
		MenuEpisode = option;
		SetMenu(MENU_SKILL);
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCSkill
//
//---------------------------------------------------------------------------

static boolean SCSkill(int option)
{
	G_DeferedInitNew(option, MenuEpisode, 1);
	MN_DeactivateMenu();
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCMouseSensi
//
//---------------------------------------------------------------------------

static boolean SCMouseSensi(int option)
{
	if(option == RIGHT_DIR)
	{
		if(mouseSensitivity < 9)
		{
			mouseSensitivity++;
		}
	}
	else if(mouseSensitivity)
	{
		mouseSensitivity--;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCSfxVolume
//
//---------------------------------------------------------------------------

static boolean SCSfxVolume(int option)
{
	if(option == RIGHT_DIR)
	{
		if(snd_MaxVolume < 15)
		{
			snd_MaxVolume++;
		}
	}
	else if(snd_MaxVolume)
	{
		snd_MaxVolume--;
	}
	S_SetMaxVolume(false); // don't recalc the sound curve, yet
	soundchanged = true; // we'll set it when we leave the menu
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCMusicVolume
//
//---------------------------------------------------------------------------

static boolean SCMusicVolume(int option)
{
	if(option == RIGHT_DIR)
	{
		if(snd_MusicVolume < 15)
		{
			snd_MusicVolume++;
		}
	}
	else if(snd_MusicVolume)
	{
		snd_MusicVolume--;
	}
	S_SetMusicVolume();
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCScreenSize
//
//---------------------------------------------------------------------------

static boolean SCScreenSize(int option)
{
	if(option == RIGHT_DIR)
	{
		if(screenblocks < 11)
		{
			screenblocks++;
		}
	}
	else if(screenblocks > 3)
	{
		screenblocks--;
	}
	R_SetViewSize(screenblocks, detailLevel);
	return true;
}

//---------------------------------------------------------------------------
//
// PROC SCInfo
//
//---------------------------------------------------------------------------

static boolean SCInfo(int option)
{
	InfoType = 1;
	S_StartSound(NULL, sfx_dorcls);
	if(!netgame && !demoplayback)
	{
		paused = true;
	}
	return true;
}

//---------------------------------------------------------------------------
//
// FUNC MN_Responder
//
//---------------------------------------------------------------------------

boolean MN_Responder(event_t *event)
{
	int key;
	int i;
	MenuItem_t *item;
	extern boolean automapactive;
	static boolean shiftdown;
	extern void D_StartTitle(void);
	extern void G_CheckDemoStatus(void);
	char *textBuffer;

	if(event->data1 == KEY_RSHIFT)
	{
		shiftdown = (event->type == ev_keydown);
	}
	if(event->type != ev_keydown)
	{
		return(false);
	}
	key = event->data1;
	if(InfoType)
	{
		if(shareware)
		{
			InfoType = (InfoType+1)%5;
		}
		else
		{
			InfoType = (InfoType+1)%4;
		}
		if(key == KEY_ESCAPE)
		{
			InfoType = 0;
		}
		if(!InfoType)
		{
			paused = false;
			MN_DeactivateMenu();
			SB_state = -1; //refresh the statbar
			BorderNeedRefresh = true;
		}
		S_StartSound(NULL, sfx_dorcls);
		return(true); //make the info screen eat the keypress
	}

	if(ravpic && key == KEY_F1)
	{
		G_ScreenShot();
		return(true);
	}

	if(askforquit)
	{
		switch(key)
		{
			case 'y':
				if(askforquit)
				{
					switch(typeofask)
					{
						case 1:
							G_CheckDemoStatus();
							I_Quit();
							break;
						case 2:
							players[consoleplayer].messageTics = 0;
								//set the msg to be cleared
							players[consoleplayer].message = NULL;
							typeofask = 0;
							askforquit = false;
							paused = false;
							I_SetPalette(W_CacheLumpName("PLAYPAL", PU_CACHE));
							D_StartTitle(); // go to intro/demo mode.
							break;
						case 3:
							P_SetMessage(&players[consoleplayer], "QUICKSAVING....", false);
							FileMenuKeySteal = true;
							SCSaveGame(quicksave-1);
							askforquit = false;
							typeofask = 0;
							BorderNeedRefresh = true;
							return true;
						case 4:
							P_SetMessage(&players[consoleplayer], "QUICKLOADING....", false);
							SCLoadGame(quickload-1);
							askforquit = false;
							typeofask = 0;
							BorderNeedRefresh = true;
							return true;
						default:
							return true; // eat the 'y' keypress
					}
				}
				return false;
			case 'n':
			case KEY_ESCAPE:
				if(askforquit)
				{
					players[consoleplayer].messageTics = 1; //set the msg to be cleared
					askforquit = false;
					typeofask = 0;
					paused = false;
					UpdateState |= I_FULLSCRN;
					BorderNeedRefresh = true;
					return true;
				}
				return false;
		}
		return false; // don't let the keys filter thru
	}
	if(MenuActive == false && !chatmodeon)
	{
		switch(key)
		{
			case KEY_MINUS:
				if(automapactive)
				{ // Don't screen size in automap
					return(false);
				}
				SCScreenSize(LEFT_DIR);
				S_StartSound(NULL, sfx_keyup);
				BorderNeedRefresh = true;
				UpdateState |= I_FULLSCRN;
				return(true);
			case KEY_EQUALS:
				if(automapactive)
				{ // Don't screen size in automap
					return(false);
				}
				SCScreenSize(RIGHT_DIR);
				S_StartSound(NULL, sfx_keyup);
				BorderNeedRefresh = true;
				UpdateState |= I_FULLSCRN;
				return(true);
#ifndef __NeXT__
			case KEY_F1: // help screen
				SCInfo(0); // start up info screens
				MenuActive = true;
				return(true);
			case KEY_F2: // save game
				if(gamestate == GS_LEVEL && !demoplayback)
				{
					MenuActive = true;
					FileMenuKeySteal = false;
					MenuTime = 0;
					CurrentMenu = &SaveMenu;
					CurrentItPos = CurrentMenu->oldItPos;
					if(!netgame && !demoplayback)
					{
						paused = true;
					}
					S_StartSound(NULL, sfx_dorcls);
					slottextloaded = false; //reload the slot text, when needed
				}
				return true;
			case KEY_F3: // load game
				if(SCNetCheck(2))
				{
					MenuActive = true;
					FileMenuKeySteal = false;
					MenuTime = 0;
					CurrentMenu = &LoadMenu;
					CurrentItPos = CurrentMenu->oldItPos;
					if(!netgame && !demoplayback)
					{
						paused = true;
					}
					S_StartSound(NULL, sfx_dorcls);
					slottextloaded = false; //reload the slot text, when needed
				}
				return true;
			case KEY_F4: // volume
				MenuActive = true;
				FileMenuKeySteal = false;
				MenuTime = 0;
				CurrentMenu = &Options2Menu;
				CurrentItPos = CurrentMenu->oldItPos;
				if(!netgame && !demoplayback)
				{
					paused = true;
				}
				S_StartSound(NULL, sfx_dorcls);
				slottextloaded = false; //reload the slot text, when needed
				return true;
			case KEY_F5: // F5 isn't used in Heretic. (detail level)
				return true;
			case KEY_F6: // quicksave
				if(gamestate == GS_LEVEL && !demoplayback)
				{
					if(!quicksave || quicksave == -1)
					{
						MenuActive = true;
						FileMenuKeySteal = false;
						MenuTime = 0;
						CurrentMenu = &SaveMenu;
						CurrentItPos = CurrentMenu->oldItPos;
						if(!netgame && !demoplayback)
						{
							paused = true;
						}
						S_StartSound(NULL, sfx_dorcls);
						slottextloaded = false; //reload the slot text, when needed
						quicksave = -1;
						P_SetMessage(&players[consoleplayer],
							"CHOOSE A QUICKSAVE SLOT", true);
					}
					else
					{
						askforquit = true;
						typeofask = 3;
						if(!netgame && !demoplayback)
						{
							paused = true;
						}
						S_StartSound(NULL, sfx_chat);
					}
				}
				return true;
			case KEY_F7: // endgame
				if(gamestate == GS_LEVEL && !demoplayback)
				{
					S_StartSound(NULL, sfx_chat);
					SCEndGame(0);
				}
				return true;
			case KEY_F8: // toggle messages
				SCMessages(0);
				return true;
			case KEY_F9: // quickload
				if(!quickload || quickload == -1)
				{
					MenuActive = true;
					FileMenuKeySteal = false;
					MenuTime = 0;
					CurrentMenu = &LoadMenu;
					CurrentItPos = CurrentMenu->oldItPos;
					if(!netgame && !demoplayback)
					{
						paused = true;
					}
					S_StartSound(NULL, sfx_dorcls);
					slottextloaded = false; //reload the slot text, when needed
					quickload = -1;
					P_SetMessage(&players[consoleplayer],
						"CHOOSE A QUICKLOAD SLOT", true);
				}
				else
				{
					askforquit = true;
					if(!netgame && !demoplayback)
					{
						paused = true;
					}
					typeofask = 4;
					S_StartSound(NULL, sfx_chat);
				}
				return true;
			case KEY_F10: // quit
				if(gamestate == GS_LEVEL)
				{
					SCQuitGame(0);
					S_StartSound(NULL, sfx_chat);
				}
				return true;
			case KEY_F11: // F11 - gamma mode correction
				usegamma++;
				if(usegamma > 4)
				{
					usegamma = 0;
				}
				I_SetPalette((byte *)W_CacheLumpName("PLAYPAL", PU_CACHE));
				return true;
#endif
		}

	}

	if(MenuActive == false)
	{
		if(key == KEY_ESCAPE || gamestate == GS_DEMOSCREEN || demoplayback)
		{
			MN_ActivateMenu();
			return(true);
		}
		return(false);
	}
	if(!FileMenuKeySteal)
	{
		item = &CurrentMenu->items[CurrentItPos];
		switch(key)
		{
			case KEY_DOWNARROW:
				do
				{
					if(CurrentItPos+1 > CurrentMenu->itemCount-1)
					{
						CurrentItPos = 0;
					}
					else
					{
						CurrentItPos++;
					}
				} while(CurrentMenu->items[CurrentItPos].type == ITT_EMPTY);
				S_StartSound(NULL, sfx_switch);
				return(true);
				break;
			case KEY_UPARROW:
				do
				{
					if(CurrentItPos == 0)
					{
						CurrentItPos = CurrentMenu->itemCount-1;
					}
					else
					{
						CurrentItPos--;
					}
				} while(CurrentMenu->items[CurrentItPos].type == ITT_EMPTY);
				S_StartSound(NULL, sfx_switch);
				return(true);
				break;
			case KEY_LEFTARROW:
				if(item->type == ITT_LRFUNC && item->func != NULL)
				{
					item->func(LEFT_DIR);
					S_StartSound(NULL, sfx_keyup);
				}
				return(true);
				break;
			case KEY_RIGHTARROW:
				if(item->type == ITT_LRFUNC && item->func != NULL)
				{
					item->func(RIGHT_DIR);
					S_StartSound(NULL, sfx_keyup);
				}
				return(true);
				break;
			case KEY_ENTER:
				if(item->type == ITT_SETMENU)
				{
					SetMenu(item->menu);
				}
				else if(item->func != NULL)
				{
					CurrentMenu->oldItPos = CurrentItPos;
					if(item->type == ITT_LRFUNC)
					{
						item->func(RIGHT_DIR);
					}
					else if(item->type == ITT_EFUNC)
					{
						if(item->func(item->option))
						{
							if(item->menu != MENU_NONE)
							{
								SetMenu(item->menu);
							}
						}
					}
				}
				S_StartSound(NULL, sfx_dorcls);
				return(true);
				break;
			case KEY_ESCAPE:
				MN_DeactivateMenu();
				return(true);
			case KEY_BACKSPACE:
				S_StartSound(NULL, sfx_switch);
				if(CurrentMenu->prevMenu == MENU_NONE)
				{
					MN_DeactivateMenu();
				}
				else
				{
					SetMenu(CurrentMenu->prevMenu);
				}
				return(true);
			default:
				for(i = 0; i < CurrentMenu->itemCount; i++)
				{
					if(CurrentMenu->items[i].text)
					{
						if(toupper(key)
							== toupper(CurrentMenu->items[i].text[0]))
						{
							CurrentItPos = i;
							return(true);
						}
					}
				}
				break;
		}
		return(false);
	}
	else
	{ // Editing file names
		textBuffer = &SlotText[currentSlot][slotptr];
		if(key == KEY_BACKSPACE)
		{
			if(slotptr)
			{
				*textBuffer-- = 0;
				*textBuffer = ASCII_CURSOR;
				slotptr--;
			}
			return(true);
		}
		if(key == KEY_ESCAPE)
		{
			memset(SlotText[currentSlot], 0, SLOTTEXTLEN+2);
			strcpy(SlotText[currentSlot], oldSlotText);
			SlotStatus[currentSlot]--;
			MN_DeactivateMenu();
			return(true);
		}
		if(key == KEY_ENTER)
		{
			SlotText[currentSlot][slotptr] = 0; // clear the cursor
			item = &CurrentMenu->items[CurrentItPos];
			CurrentMenu->oldItPos = CurrentItPos;
			if(item->type == ITT_EFUNC)
			{
				item->func(item->option);
				if(item->menu != MENU_NONE)
				{
					SetMenu(item->menu);
				}
			}
			return(true);
		}
		if(slotptr < SLOTTEXTLEN && key != KEY_BACKSPACE)
		{
			if((key >= 'a' && key <= 'z'))
			{
				*textBuffer++ = key-32;
				*textBuffer = ASCII_CURSOR;
				slotptr++;
				return(true);
			}
			if(((key >= '0' && key <= '9') || key == ' '
				|| key == ',' || key == '.' || key == '-')
				&& !shiftdown)
			{
				*textBuffer++ = key;
				*textBuffer = ASCII_CURSOR;
				slotptr++;
				return(true);
			}
			if(shiftdown && key == '1')
			{
				*textBuffer++ = '!';
				*textBuffer = ASCII_CURSOR;
				slotptr++;
				return(true);
			}
		}
		return(true);
	}
	return(false);
}

//---------------------------------------------------------------------------
//
// PROC MN_ActivateMenu
//
//---------------------------------------------------------------------------

void MN_ActivateMenu(void)
{
	if(MenuActive)
	{
		return;
	}
	if(paused)
	{
		S_ResumeSound();
	}
	MenuActive = true;
	FileMenuKeySteal = false;
	MenuTime = 0;
	CurrentMenu = &MainMenu;
	CurrentItPos = CurrentMenu->oldItPos;
	if(!netgame && !demoplayback)
	{
		paused = true;
	}
	S_StartSound(NULL, sfx_dorcls);
	slottextloaded = false; //reload the slot text, when needed
}

//---------------------------------------------------------------------------
//
// PROC MN_DeactivateMenu
//
//---------------------------------------------------------------------------

void MN_DeactivateMenu(void)
{
	CurrentMenu->oldItPos = CurrentItPos;
	MenuActive = false;
	if(!netgame)
	{
		paused = false;
	}
	S_StartSound(NULL, sfx_dorcls);
	if(soundchanged)
	{
		S_SetMaxVolume(true); //recalc the sound curve
		soundchanged = false;
	}
	players[consoleplayer].message = NULL;
	players[consoleplayer].messageTics = 1;
}

//---------------------------------------------------------------------------
//
// PROC MN_DrawInfo
//
//---------------------------------------------------------------------------

void MN_DrawInfo(void)
{
	I_SetPalette(W_CacheLumpName("PLAYPAL", PU_CACHE));
	memcpy(screen, (byte *)W_CacheLumpNum(W_GetNumForName("TITLE")+InfoType,
		PU_CACHE), SCREENWIDTH*SCREENHEIGHT);
//      V_DrawPatch(0, 0, W_CacheLumpNum(W_GetNumForName("TITLE")+InfoType,
//              PU_CACHE));
}


//---------------------------------------------------------------------------
//
// PROC SetMenu
//
//---------------------------------------------------------------------------

static void SetMenu(MenuType_t menu)
{
	CurrentMenu->oldItPos = CurrentItPos;
	CurrentMenu = Menus[menu];
	CurrentItPos = CurrentMenu->oldItPos;
}

//---------------------------------------------------------------------------
//
// PROC DrawSlider
//
//---------------------------------------------------------------------------

static void DrawSlider(Menu_t *menu, int item, int width, int slot)
{
	int x;
	int y;
	int x2;
	int count;

	x = menu->x+24;
	y = menu->y+2+(item*ITEM_HEIGHT);
	V_DrawPatch(x-32, y, W_CacheLumpName("M_SLDLT", PU_CACHE));
	for(x2 = x, count = width; count--; x2 += 8)
	{
		V_DrawPatch(x2, y, W_CacheLumpName(count&1 ? "M_SLDMD1"
			: "M_SLDMD2", PU_CACHE));
	}
	V_DrawPatch(x2, y, W_CacheLumpName("M_SLDRT", PU_CACHE));
	V_DrawPatch(x+4+slot*8, y+7, W_CacheLumpName("M_SLDKB", PU_CACHE));
}