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m_menu.c
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/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
* Copyright 2005, 2006 by
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
* Copyright 2023, 2024 by
* Frenkel Smeijers
*
* 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.
*
* DESCRIPTION:
* DOOM selection menu, options etc. (aka Big Font menus)
* Sliders and icons. Kinda widget stuff.
* Setup Menus.
* Extended HELP screens.
* Dynamic HELP screen.
*
*-----------------------------------------------------------------------------*/
#include <stdio.h>
#include <stdint.h>
#include "compiler.h"
#include "doomdef.h"
#include "d_player.h"
#include "d_englsh.h"
#include "d_main.h"
#include "v_video.h"
#include "w_wad.h"
#include "r_main.h"
#include "hu_stuff.h"
#include "g_game.h"
#include "s_sound.h"
#include "sounds.h"
#include "m_menu.h"
#include "doomtype.h"
#include "am_map.h"
#include "i_system.h"
#include "i_sound.h"
#include "globdata.h"
#define DISABLE_SAVE_GAME
#define DISABLE_SOUND_OPTIONS
//
// MENU TYPEDEFS
//
typedef struct
{
int16_t status; // 0 = no cursor here, 1 = ok, 2 = arrows ok
char name[10];
// choice = menu item #.
// if status = 2,
// choice=0:leftarrow,1:rightarrow
void (*routine)(int16_t choice);
} menuitem_t;
typedef struct menu_s
{
int16_t numitems; // # of menu items
const menuitem_t* menuitems; // menu items
void (*routine)(); // draw routine
int16_t x;
int16_t y; // x,y of menu
const struct menu_s* prevMenu; // previous menu
int16_t previtemOn;
} menu_t;
//
// defaulted values
//
int16_t _g_alwaysRun;
uint16_t _g_gamma;
static boolean messageToPrint; // true = message to be printed
static const char* messageString; // ...and here is the message string!
static boolean messageLastMenuActive;
static const menu_t* currentMenu; // current menudef
static int16_t itemOn; // menu item skull is on (for Big Font menus)
static int16_t skullAnimCounter; // skull animation counter
static int16_t whichSkull; // which skull to draw (he blinks)
boolean _g_menuactive; // The menus are up
static boolean messageNeedsInput; // timed message = no input from user
char _g_savegamestrings[8][8];
int16_t showMessages = 1;
static void (*messageRoutine)(boolean affirmative);
// we are going to be entering a savegame string
#define SKULLXOFF -32
#define LINEHEIGHT 16
// graphic name of skulls
static const char skullName[2][9] = {"M_SKULL1","M_SKULL2"};
// end of externs added for setup menus
//
// PROTOTYPES
//
static void M_NewGame(int16_t choice);
static void M_ChooseSkill(int16_t choice);
static void M_LoadGame(int16_t choice);
static void M_SaveGame(int16_t choice);
static void M_Options(int16_t choice);
static void M_EndGame(int16_t choice);
static void M_QuitDOOM(int16_t choice);
static void M_ChangeMessages(int16_t choice);
static void M_ChangeAlwaysRun(int16_t choice);
static void M_ChangeGamma(int16_t choice);
static void M_SfxVol(int16_t choice);
static void M_MusicVol(int16_t choice);
static void M_Sound(int16_t choice);
static void M_LoadSelect(int16_t choice);
static void M_SaveSelect(int16_t choice);
static void M_ReadSaveStrings(void);
static void M_DrawMainMenu(void);
static void M_DrawNewGame(void);
static void M_DrawOptions(void);
static void M_DrawSound(void);
static void M_DrawLoad(void);
static void M_DrawSave(void);
static void M_SetupNextMenu(const menu_t *menudef);
static void M_DrawThermo(int16_t x, int16_t y, int16_t thermWidth, int16_t thermDot);
static void M_WriteText(int16_t x, int16_t y, const char __far* string);
static int16_t M_StringWidth(const char __far* string);
static int16_t M_StringHeight(const char *string);
static void M_StartMessage(const char *string,void (*routine)(boolean));
static void M_ClearMenus (void);
// end of prototypes added to support Setup Menus and Extended HELP screens
/////////////////////////////////////////////////////////////////////////////
//
// DOOM MENUS
//
/////////////////////////////
//
// MAIN MENU
//
// main_e provides numerical values for which Big Font screen you're on
enum
{
newgame = 0,
options,
loadgame,
#if !defined DISABLE_SAVE_GAME
savegame,
#endif
quitdoom,
main_end
};
//
// MainMenu is the definition of what the main menu Screen should look
// like. Each entry shows that the cursor can land on each item (1), the
// built-in graphic lump (i.e. "M_NGAME") that should be displayed,
// and the program which takes over when an item is selected.
//
static const menuitem_t MainMenu[]=
{
{1,"M_NGAME", M_NewGame},
{1,"M_OPTION",M_Options},
{1,"M_LOADG", M_LoadGame},
#if !defined DISABLE_SAVE_GAME
{1,"M_SAVEG", M_SaveGame},
#endif
{1,"M_QUITG", M_QuitDOOM}
};
static const menu_t MainDef =
{
main_end, // number of menu items
MainMenu, // table that defines menu items
M_DrawMainMenu, // drawing routine
97,64, // initial cursor position
NULL,0,
};
//
// M_DrawMainMenu
//
static void M_DrawMainMenu(void)
{
// CPhipps - patch drawing updated
V_DrawNamePatchScaled(94, 2, "M_DOOM");
}
// numerical values for the New Game menu items
enum
{
killthings,
toorough,
hurtme,
violence,
nightmare,
newg_end
};
// The definitions of the New Game menu
static const menuitem_t NewGameMenu[]=
{
{1,"M_JKILL", M_ChooseSkill},
{1,"M_ROUGH", M_ChooseSkill},
{1,"M_HURT", M_ChooseSkill},
{1,"M_ULTRA", M_ChooseSkill},
{1,"M_NMARE", M_ChooseSkill}
};
static const menu_t NewDef =
{
newg_end, // # of menu items
NewGameMenu, // menuitem_t ->
M_DrawNewGame, // drawing routine ->
48,63, // x,y
&MainDef,0,
};
//
// M_NewGame
//
static void M_DrawNewGame(void)
{
// CPhipps - patch drawing updated
V_DrawNamePatchScaled(96, 14, "M_NEWG");
V_DrawNamePatchScaled(54, 38, "M_SKILL");
}
static void M_NewGame(int16_t choice)
{
UNUSED(choice);
M_SetupNextMenu(&NewDef);
itemOn = 2; //Set hurt me plenty as default difficulty
}
static void M_VerifyNightmare(boolean affirmative)
{
if (affirmative)
G_DeferedInitNew(nightmare);
}
static void M_ChooseSkill(int16_t choice)
{
if (choice == nightmare)
{
M_StartMessage(NIGHTMARE, M_VerifyNightmare);
itemOn = 0;
}
else
{
G_DeferedInitNew(choice);
M_ClearMenus ();
}
}
/////////////////////////////
//
// LOAD GAME MENU
//
// numerical values for the Load Game slots
enum
{
load1,
load2,
load3,
load4,
load5,
load6,
load7,
load8,
load_end
};
// The definitions of the Load Game screen
static const menuitem_t LoadMenue[]=
{
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
{1,"", M_LoadSelect},
};
static const menu_t LoadDef =
{
load_end,
LoadMenue,
M_DrawLoad,
64,34, //jff 3/15/98 move menu up
&MainDef,2,
};
#define LOADGRAPHIC_Y 8
//
// M_LoadGame & Cie.
//
static void M_DrawSaveLoad(const char* name)
{
int8_t i, j;
V_DrawNamePatchScaled(72 ,LOADGRAPHIC_Y, name);
const patch_t __far* lpatch = W_GetLumpByName("M_LSLEFT");
const patch_t __far* mpatch = W_GetLumpByName("M_LSCNTR");
const patch_t __far* rpatch = W_GetLumpByName("M_LSRGHT");
for (i = 0; i < load_end; i++)
{
//
// Draw border for the savegame description
//
int16_t x = LoadDef.x;
const int16_t y = 27 + 13 * i + 7;
V_DrawPatchNotScaled(x - 8, y, lpatch);
for (j = 0; j < 12; j++)
{
V_DrawPatchNotScaled(x, y, mpatch);
x += 8;
}
V_DrawPatchNotScaled(x, y, rpatch);
M_WriteText(LoadDef.x, y - 7, _g_savegamestrings[i]);
}
Z_ChangeTagToCache(lpatch);
Z_ChangeTagToCache(mpatch);
Z_ChangeTagToCache(rpatch);
}
static void M_DrawLoad(void)
{
M_DrawSaveLoad("M_LOADG");
}
//
// User wants to load this game
//
static void M_LoadSelect(int16_t choice)
{
// CPhipps - Modified so savegame filename is worked out only internal
// to g_game.c, this only passes the slot.
G_LoadGame(choice); // killough 3/16/98: add slot
M_ClearMenus ();
}
//
// Selected from DOOM menu
//
static void M_LoadGame (int16_t choice)
{
UNUSED(choice);
/* killough 5/26/98: exclude during demo recordings
* cph - unless a new demo */
M_SetupNextMenu(&LoadDef);
M_ReadSaveStrings();
}
/////////////////////////////
//
// SAVE GAME MENU
//
// The definitions of the Save Game screen
static const menuitem_t SaveMenu[]=
{
{1,"", M_SaveSelect},
{1,"", M_SaveSelect},
{1,"", M_SaveSelect},
{1,"", M_SaveSelect},
{1,"", M_SaveSelect},
{1,"", M_SaveSelect},
{1,"", M_SaveSelect}, //jff 3/15/98 extend number of slots
{1,"", M_SaveSelect},
};
static const menu_t SaveDef =
{
load_end, // same number of slots as the Load Game screen
SaveMenu,
M_DrawSave,
80,34, //jff 3/15/98 move menu up
&MainDef,3,
};
//
// M_ReadSaveStrings
// read the strings from the savegame files
//
static void M_ReadSaveStrings(void)
{
}
//
// M_SaveGame & Cie.
//
static void M_DrawSave(void)
{
M_DrawSaveLoad("M_SAVEG");
}
//
// M_Responder calls this when user is finished
//
static void M_DoSave(int16_t slot)
{
G_SaveGame (slot);
M_ClearMenus ();
}
//
// User wants to save. Start string input for M_Responder
//
static void M_SaveSelect(int16_t choice)
{
M_DoSave(choice);
}
//
// Selected from DOOM menu
//
static void M_SaveGame (int16_t choice)
{
UNUSED(choice);
// killough 10/6/98: allow savegames during single-player demo playback
if (!_g_usergame && (!_g_demoplayback))
{
M_StartMessage(SAVEDEAD, NULL);
return;
}
if (_g_gamestate != GS_LEVEL)
return;
M_SetupNextMenu(&SaveDef);
M_ReadSaveStrings();
}
/////////////////////////////
//
// QUIT DOOM
//
static void M_QuitResponse(boolean affirmative)
{
if (affirmative)
I_Quit();
}
static void M_QuitDOOM(int16_t choice)
{
UNUSED(choice);
M_StartMessage(QUITMSG, M_QuitResponse);
}
/////////////////////////////
//
// OPTIONS MENU
//
// numerical values for the Options menu items
enum
{ // phares 3/21/98
endgame,
messages,
alwaysrun,
gamma,
#if !defined DISABLE_SOUND_OPTIONS
soundvol,
#endif
opt_end
};
// The definitions of the Options menu
static const menuitem_t OptionsMenu[]=
{
// killough 4/6/98: move setup to be a sub-menu of OPTIONs
{1,"M_ENDGAM", M_EndGame},
{1,"M_MESSG", M_ChangeMessages},
{1,"M_ARUN", M_ChangeAlwaysRun},
{2,"M_GAMMA", M_ChangeGamma},
#if !defined DISABLE_SOUND_OPTIONS
{1,"M_SVOL", M_Sound}
#endif
};
static const menu_t OptionsDef =
{
opt_end,
OptionsMenu,
M_DrawOptions,
60,37,
&MainDef,1,
};
//
// M_Options
//
static const char msgNames[2][9] = {"M_MSGOFF","M_MSGON"};
static void M_DrawOptions(void)
{
// CPhipps - patch drawing updated
// proff/nicolas 09/20/98 -- changed for hi-res
V_DrawNamePatchScaled(108, 15, "M_OPTTTL");
V_DrawNamePatchScaled(OptionsDef.x + 120, OptionsDef.y+LINEHEIGHT*messages, msgNames[showMessages]);
V_DrawNamePatchScaled(OptionsDef.x + 146, OptionsDef.y+LINEHEIGHT*alwaysrun, msgNames[_g_alwaysRun]);
M_DrawThermo(OptionsDef.x + 158, OptionsDef.y+LINEHEIGHT*gamma+2,6,_g_gamma);
}
static void M_Options(int16_t choice)
{
UNUSED(choice);
M_SetupNextMenu(&OptionsDef);
}
/////////////////////////////
//
// SOUND VOLUME MENU
//
// numerical values for the Sound Volume menu items
// The 'empty' slots are where the sliding scales appear.
enum
{
sfx_vol,
sfx_empty1,
music_vol,
sfx_empty2,
sound_end
};
// The definitions of the Sound Volume menu
static const menuitem_t SoundMenu[]=
{
{2,"M_SFXVOL",M_SfxVol},
{-1,"",0},
{2,"M_MUSVOL",M_MusicVol},
{-1,"",0}
};
static const menu_t SoundDef =
{
sound_end,
SoundMenu,
M_DrawSound,
80,64,
&OptionsDef,4,
};
//
// Change Sfx & Music volumes
//
static void M_DrawSound(void)
{
// CPhipps - patch drawing updated
V_DrawNamePatchScaled(60, 38, "M_SVOL");
M_DrawThermo(SoundDef.x, SoundDef.y + LINEHEIGHT * (sfx_vol + 1), 16, snd_SfxVolume);
M_DrawThermo(SoundDef.x, SoundDef.y + LINEHEIGHT * (music_vol + 1), 16, snd_MusicVolume);
}
static void M_Sound(int16_t choice)
{
UNUSED(choice);
M_SetupNextMenu(&SoundDef);
}
static void M_SfxVol(int16_t choice)
{
switch(choice)
{
case 0:
if (snd_SfxVolume)
snd_SfxVolume--;
break;
case 1:
if (snd_SfxVolume < 15)
snd_SfxVolume++;
break;
}
G_SaveSettings();
S_SetSfxVolume(snd_SfxVolume /* *8 */);
}
static void M_MusicVol(int16_t choice)
{
switch(choice)
{
case 0:
if (snd_MusicVolume)
snd_MusicVolume--;
break;
case 1:
if (snd_MusicVolume < 15)
snd_MusicVolume++;
break;
}
G_SaveSettings();
S_SetMusicVolume(snd_MusicVolume /* *8 */);
}
/////////////////////////////
//
// M_EndGame
//
static void M_EndGameResponse(boolean affirmative)
{
if (!affirmative)
return;
// killough 5/26/98: make endgame quit if recording or playing back demo
if (_g_singledemo)
G_CheckDemoStatus();
M_ClearMenus ();
D_StartTitle ();
}
static void M_EndGame(int16_t choice)
{
UNUSED(choice);
M_StartMessage(ENDGAME, M_EndGameResponse);
}
/////////////////////////////
//
// Toggle messages on/off
//
static void M_ChangeMessages(int16_t choice)
{
UNUSED(choice);
showMessages = 1 - showMessages;
_g_player.message = showMessages ? MSGON : MSGOFF;
_g_message_dontfuckwithme = true;
G_SaveSettings();
}
static void M_ChangeAlwaysRun(int16_t choice)
{
UNUSED(choice);
_g_alwaysRun = 1 - _g_alwaysRun;
if (!_g_alwaysRun)
_g_player.message = RUNOFF; // Ty 03/27/98 - externalized
else
_g_player.message = RUNON ; // Ty 03/27/98 - externalized
G_SaveSettings();
}
static void M_ChangeGamma(int16_t choice)
{
switch(choice)
{
case 0:
if (_g_gamma)
_g_gamma--;
break;
case 1:
if (_g_gamma < 5)
_g_gamma++;
break;
}
I_ReloadPalette();
I_SetPalette(0);
G_SaveSettings();
}
//
// End of Original Menus
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////
//
// General routines used by the Setup screens.
//
//
// M_InitDefaults()
//
// killough 11/98:
//
// This function converts all setup menu entries consisting of cfg
// variable names, into pointers to the corresponding default[]
// array entry. var.name becomes converted to var.def.
//
static void M_InitDefaults(void)
{
}
//
// End of Setup Screens.
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
//
// M_Responder
//
// Examines incoming keystrokes and button pushes and determines some
// action based on the state of the system.
//
boolean M_Responder (event_t* ev)
{
int16_t ch;
// Mouse input processing removed
// Process keyboard input
if (ev->type == ev_keydown)
ch = ev->data1;
else
return false; // we can't use the event here
// Take care of any messages that need input
if (messageToPrint)
{
if (messageNeedsInput == true &&
!(ch == 'n' || ch == 'y' || ch == key_escape))
return false;
_g_menuactive = messageLastMenuActive;
messageToPrint = false;
if (messageRoutine)
messageRoutine(ch == 'y');
_g_menuactive = false;
S_StartSound(NULL,sfx_swtchx);
return true;
}
// Pop-up Main menu?
if (!_g_menuactive)
{
if (ch == key_escape)
{
M_StartControlPanel ();
S_StartSound(NULL,sfx_swtchn);
return true;
}
return false;
}
// From here on, these navigation keys are used on the BIG FONT menus
// like the Main Menu.
if (ch == key_menu_down)
{
do
{
if (itemOn+1 > currentMenu->numitems-1)
itemOn = 0;
else
itemOn++;
S_StartSound(NULL,sfx_pstop);
}
while(currentMenu->menuitems[itemOn].status==-1);
return true;
}
if (ch == key_menu_up)
{
do
{
if (!itemOn)
itemOn = currentMenu->numitems-1;
else
itemOn--;
S_StartSound(NULL,sfx_pstop);
}
while(currentMenu->menuitems[itemOn].status==-1);
return true;
}
if (ch == key_menu_left)
{
if (currentMenu->menuitems[itemOn].routine &&
currentMenu->menuitems[itemOn].status == 2)
{
S_StartSound(NULL,sfx_stnmov);
currentMenu->menuitems[itemOn].routine(0);
}
return true;
}
if (ch == key_menu_right)
{
if (currentMenu->menuitems[itemOn].routine &&
currentMenu->menuitems[itemOn].status == 2)
{
S_StartSound(NULL,sfx_stnmov);
currentMenu->menuitems[itemOn].routine(1);
}
return true;
}
if (ch == key_menu_enter)
{
if (currentMenu->menuitems[itemOn].routine &&
currentMenu->menuitems[itemOn].status)
{
if (currentMenu->menuitems[itemOn].status == 2)
{
currentMenu->menuitems[itemOn].routine(1); // right arrow
S_StartSound(NULL,sfx_stnmov);
}
else
{
currentMenu->menuitems[itemOn].routine(itemOn);
S_StartSound(NULL,sfx_pistol);
}
}
return true;
}
if (ch == key_menu_escape)
{
M_ClearMenus ();
S_StartSound(NULL,sfx_swtchx);
return true;
}
//Allow being able to go back in menus
if (ch == key_fire)
{
//If the prevMenu == NULL (Such as main menu screen), then just get out of the menu altogether
if(currentMenu->prevMenu == NULL)
{
M_ClearMenus();
}else //Otherwise, change to the parent menu and match the row used to get there.
{
int16_t previtemOn = currentMenu->previtemOn; //Temporarily store this so after menu change, we store the last row it was on.
M_SetupNextMenu(currentMenu->prevMenu);
itemOn = previtemOn;
}
S_StartSound(NULL,sfx_swtchx);
return true;
}
return false;
}
//
// End of M_Responder
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
//
// General Routines
//
// This displays the Main menu and gets the menu screens rolling.
// Plus a variety of routines that control the Big Font menu display.
// Plus some initialization for game-dependant situations.
void M_StartControlPanel (void)
{
// intro might call this repeatedly
if (_g_menuactive)
return;
//jff 3/24/98 make default skill menu choice follow -skill or defaultskill
//from command line or config file
//
// killough 10/98:
// Fix to make "always floating" with menu selections, and to always follow
// defaultskill, instead of -skill.
_g_menuactive = true;
currentMenu = &MainDef; // JDC
}
static char __far* Z_Strdup(const char* s)
{
const size_t len = strlen(s);
if(!len)
return NULL;
char __far* ptr = Z_MallocStatic(len+1);
if(ptr)
_fstrcpy(ptr, s);