Add "Select Random Weapons" mp menu

src/game/mplayer/mplayer.c

@@ -48,6 +48,11 @@ struct modeldef *var800acc28[18];
 struct mpweaponset g_MpWeaponSets[12];
 s32 g_MpWeaponSetNum;
 
+#ifndef PLATFORM_N64
+u8 g_MpWeaponSetRandomFilters[NUM_MPWEAPONS];
+s32 g_MpWeaponRandomFilterNum;
+#endif
+
 #if VERSION >= VERSION_NTSC_1_0
 const char var7f1b8a00[] = "||||||||||||| Starting game... players %d\n";
 #endif
@@ -507,6 +512,12 @@ void mpPlayerSetDefaults(s32 playernum, bool autonames)
 	for (i = 0; i < ARRAYCOUNT(g_PlayerConfigsArray); i++) {
 		g_PlayerConfigsArray[playernum].gunfuncs[i] = 0;
 	}
+
+#ifndef PLATFORM_N64
+	for (i = 0; i < ARRAYCOUNT(g_MpWeapons); i++) {
+		g_MpWeaponSetRandomFilters[i] = 1;
+	}
+#endif
 }
 
 void func0f1881d4(s32 index)
@@ -1157,10 +1168,40 @@ void func0f18913c(void)
 	}
 }
 
+#ifndef PLATFORM_N64
+void mpSetRandomWeapons(u8 weapons[])
+{
+	s32 lockcount = 0;
+	s32 index = 0;
+	s32 i;
+
+	for (i = 0; i < NUM_MPWEAPONS; i++) {
+		if (challengeIsFeatureUnlocked(g_MpWeapons[i].unlockfeature)) {
+			if (g_MpWeaponSetRandomFilters[i] == 1) {
+				weapons[index] = i - lockcount;
+				index++;
+			}
+		} else {
+			lockcount++;
+		}
+	}
+
+	if (index == 0) {
+		weapons[0] = 0; // optionindex (shifted by unlocked weapons, but usually 0 is "Nothing")
+		g_MpWeaponRandomFilterNum = 1;
+	} else {
+		g_MpWeaponRandomFilterNum = index;
+	}
+}
+#endif
+
 void mpApplyWeaponSet(void)
 {
 	s32 i;
 	u8 *ptr;
+#ifndef PLATFORM_N64
+	u8 randomweapons[NUM_MPWEAPONS];
+#endif
 
 	if (g_MpWeaponSetNum >= 0 && g_MpWeaponSetNum < ARRAYCOUNT(g_MpWeaponSets)) {
 		if (challengeIsFeatureUnlocked(g_MpWeaponSets[g_MpWeaponSetNum].requirefeatures[0])
@@ -1198,17 +1239,31 @@ void mpApplyWeaponSet(void)
 			}
 		}
 	} else if (g_MpWeaponSetNum == WEAPONSET_RANDOM) {
+#ifdef PLATFORM_N64
 		s32 numoptions = mpGetNumWeaponOptions();
 
 		for (i = 0; i < ARRAYCOUNT(g_MpSetup.weapons); i++) {
 			mpSetWeaponSlot(i, rngRandom() % numoptions);
 		}
+#else
+		mpSetRandomWeapons(randomweapons);
+		for (i = 0; i < ARRAYCOUNT(g_MpSetup.weapons); i++) {
+			mpSetWeaponSlot(i, randomweapons[rngRandom() % g_MpWeaponRandomFilterNum]);
+		}
+#endif
 	} else if (g_MpWeaponSetNum == WEAPONSET_RANDOMFIVE) {
+#ifdef PLATFORM_N64
 		s32 numoptions = mpGetNumWeaponOptions() - 2;
 
 		for (i = 0; i < 5; i++) {
 			mpSetWeaponSlot(i, rngRandom() % numoptions + 1);
 		}
+#else
+		mpSetRandomWeapons(randomweapons);
+		for (i = 0; i < 5; i++) {
+			mpSetWeaponSlot(i, randomweapons[rngRandom() % g_MpWeaponRandomFilterNum]);
+		}
+#endif
 
 		mpSetWeaponSlot(i, mpGetNumWeaponOptions() - 1);
 	}

src/game/mplayer/setup.c

@@ -1165,6 +1165,155 @@ struct menudialogdef g_MpSaveSetupExistsMenuDialog = {
 };
 
 #ifndef PLATFORM_N64
+MenuItemHandlerResult mpSelectRandomWeaponListHandler(s32 operation, struct menuitem *item, union handlerdata *data)
+{
+	static const char *labels[] = {
+		"Select Dark",
+		"Select Classic",
+		"Select All",
+		"Select None",
+	};
+
+	switch (operation) {
+	case MENUOP_GETOPTIONCOUNT:
+		data->list.value = mpGetNumWeaponOptions() + 4;
+		break;
+	case MENUOP_GETOPTIONTEXT:
+		{
+			s32 numweapons = mpGetNumWeaponOptions();
+
+			if (data->list.value < numweapons) {
+				return (uintptr_t) mpGetWeaponLabel(data->list.value);
+			} else {
+				return (intptr_t)labels[data->list.value - numweapons];
+			}
+		}
+	case MENUOP_SET:
+		{
+			s32 numweapons = mpGetNumWeaponOptions();
+			s32 mpweaponnum = data->list.value;
+			s32 optionindex = mpweaponnum;
+			s32 i;
+
+			if (data->list.value < numweapons) {
+				if (data->list.unk04 == 0) {
+					for (i = 0; i <= mpweaponnum; i++) {
+						if (challengeIsFeatureUnlocked(g_MpWeapons[i].unlockfeature) == 0) {
+							mpweaponnum++;
+						}
+
+						optionindex = mpweaponnum;
+					}
+
+					g_MpWeaponSetRandomFilters[optionindex] = 1 - g_MpWeaponSetRandomFilters[optionindex];
+				}
+			} else {
+				s32 index = data->list.value - numweapons;
+
+				switch (index) {
+				case 0:
+					// Select Dark
+					for (i = 0; i < ARRAYCOUNT(g_MpWeapons); i++) {
+						if ((i >= MPWEAPON_NONE && i <= MPWEAPON_COMBATBOOST) || i >= MPWEAPON_SHIELD) {
+							g_MpWeaponSetRandomFilters[i] = 1;
+						} else {
+							g_MpWeaponSetRandomFilters[i] = 0;
+						}
+					}
+					break;
+				case 1:
+					// Select Classic
+					for (i = 0; i < ARRAYCOUNT(g_MpWeapons); i++) {
+						if (i >= MPWEAPON_PP9I && i <= MPWEAPON_RCP45) {
+							g_MpWeaponSetRandomFilters[i] = 1;
+						} else {
+							g_MpWeaponSetRandomFilters[i] = 0;
+						}
+					}
+					break;
+				case 2:
+					// Select All
+					for (i = 0; i < ARRAYCOUNT(g_MpWeapons); i++) {
+						g_MpWeaponSetRandomFilters[i] = 1;
+					}
+					break;
+				case 3:
+					// Select None
+					for (i = 0; i < ARRAYCOUNT(g_MpWeapons); i++) {
+						g_MpWeaponSetRandomFilters[i] = 0;
+					}
+					break;
+				}
+			}
+		}
+		break;
+	case MENUOP_GETSELECTEDINDEX:
+		data->list.value = 0x000fffff;
+		break;
+	case MENUOP_GETLISTITEMCHECKBOX:
+		{
+			s32 numweapons = mpGetNumWeaponOptions();
+			s32 mpweaponnum = data->list.value;
+			s32 optionindex = mpweaponnum;
+			s32 i;
+
+			if (data->list.value < numweapons) {
+
+				for (i = 0; i <= mpweaponnum; i++) {
+					if (challengeIsFeatureUnlocked(g_MpWeapons[i].unlockfeature) == 0) {
+						mpweaponnum++;
+					}
+
+					optionindex = mpweaponnum;
+				}
+
+				data->list.unk04 = g_MpWeaponSetRandomFilters[optionindex];
+			}
+		}
+		break;
+	}
+
+	return 0;
+}
+
+struct menuitem g_MpSelectRandomWeaponsMenuItems[] = {
+	{
+		MENUITEMTYPE_LIST,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		0x00000078,
+		0x0000004d,
+		mpSelectRandomWeaponListHandler,
+	},
+	{ MENUITEMTYPE_END },
+};
+
+struct menudialogdef g_MpSelectRandomWeaponsMenuDialog = {
+	MENUDIALOGTYPE_DEFAULT,
+	(uintptr_t)"Select Weapons",
+	g_MpSelectRandomWeaponsMenuItems,
+	NULL,
+	MENUDIALOGFLAG_LITERAL_TEXT,
+	NULL,
+};
+
+MenuItemHandlerResult menuhandlerMpSelectRandomWeapons(s32 operation, struct menuitem *item, union handlerdata *data)
+{
+	switch (operation) {
+	case MENUOP_CHECKDISABLED:
+	case MENUOP_CHECKHIDDEN:
+		if (g_MpWeaponSetNum == WEAPONSET_RANDOM
+				|| g_MpWeaponSetNum == WEAPONSET_RANDOMFIVE) {
+			return false;
+		}
+		return true;
+	case MENUOP_SET:
+		menuPushDialog(&g_MpSelectRandomWeaponsMenuDialog);
+	}
+
+	return 0;
+}
+
 MenuItemHandlerResult menuhandlerMpAutoRandomWeapon(s32 operation, struct menuitem *item, union handlerdata *data)
 {
 	static const char *labels[] = {
@@ -1220,6 +1369,14 @@ struct menuitem g_MpWeaponsMenuItems[] = {
 		menuhandlerMpWeaponSetDropdown,
 	},
 #ifndef PLATFORM_N64
+	{
+		MENUITEMTYPE_SELECTABLE,
+		0,
+		MENUITEMFLAG_LITERAL_TEXT,
+		(uintptr_t)"Select Weapons\n",
+		0,
+		menuhandlerMpSelectRandomWeapons,
+	},
 	{
 		MENUITEMTYPE_DROPDOWN,
 		0,

src/include/data.h

@@ -556,6 +556,9 @@ extern s32 g_MusicDisableMpDeath;
 extern s32 g_BgunGeMuzzleFlashes;
 extern s32 g_FileAutoSelect;
 
+extern u8 g_MpWeaponSetRandomFilters[NUM_MPWEAPONS];
+extern s32 g_MpWeaponRandomFilterNum;
+
 #define PLAYER_EXTCFG() g_PlayerExtCfg[g_Vars.currentplayerstats->mpindex & 3]
 #define PLAYER_DEFAULT_FOV (PLAYER_EXTCFG().fovy)
 

src/include/game/mplayer/mplayer.h

@@ -34,6 +34,9 @@ s32 func0f189058(bool full);
 s32 func0f189088(void);
 char *mpGetWeaponSetName(s32 arg0);
 void func0f18913c(void);
+#ifndef PLATFORM_N64
+void mpSetRandomWeapons(u8 weapons[]);
+#endif
 void mpApplyWeaponSet(void);
 void mpSetWeaponSet(s32 weaponsetnum);
 void func0f1895e8(void);