Add Fairy-type and Fairy Feather

This adds the Fairy type and the Fairy Feather. Neither are obtainable yet, but will be with time.

constants/item_constants.asm

@@ -30,7 +30,7 @@
 	const FIRE_STONE   ; 16
 	const THUNDERSTONE ; 17
 	const WATER_STONE  ; 18
-	const ITEM_19      ; 19
+	const FAIRY_FEATHER; 19
 	const HP_UP        ; 1a
 	const PROTEIN      ; 1b
 	const IRON         ; 1c

constants/item_data_constants.asm

@@ -130,6 +130,7 @@ DEF MAIL_STRUCT_LENGTH_JP EQU $2a ; mailmsg_jp struct
 	const HELD_DRAGON_BOOST
 	const HELD_DARK_BOOST
 	const HELD_STEEL_BOOST
+	const HELD_FAIRY_BOOST
 
 	const_next 70
 	const HELD_CATCH_CHANCE

constants/type_constants.asm

@@ -32,6 +32,7 @@ DEF SPECIAL EQU const_value
 	const ICE
 	const DRAGON
 	const DARK
+	const FAIRY
 DEF TYPES_END EQU const_value
 
 DEF NUM_TYPES EQU TYPES_END + UNUSED_TYPES - UNUSED_TYPES_END - 1 ; discount BIRD

data/items/attributes.asm

@@ -56,8 +56,8 @@ ItemAttributes:
 	item_attribute 2100, HELD_NONE, 0, CANT_SELECT, ITEM, ITEMMENU_PARTY, ITEMMENU_NOUSE
 ; WATER_STONE
 	item_attribute 2100, HELD_NONE, 0, CANT_SELECT, ITEM, ITEMMENU_PARTY, ITEMMENU_NOUSE
-; ITEM_19
+; FAIRY_FEATHER
-	item_attribute $9999, HELD_NONE, 0, NO_LIMITS, ITEM, ITEMMENU_NOUSE, ITEMMENU_NOUSE
+	item_attribute 1450, HELD_FAIRY_BOOST, 10, CANT_SELECT, ITEM, ITEMMENU_NOUSE, ITEMMENU_NOUSE
 ; HP_UP
 	item_attribute 9800, HELD_NONE, 0, CANT_SELECT, ITEM, ITEMMENU_PARTY, ITEMMENU_NOUSE
 ; PROTEIN

data/items/catch_rate_items.asm

@@ -3,7 +3,7 @@
 ; item associated with the table entry is used instead.
 
 TimeCapsule_CatchRateItems:
-	db ITEM_19, LEFTOVERS
+	db FAIRY_FEATHER, LEFTOVERS
 	db ITEM_2D, BITTER_BERRY
 	db ITEM_32, GOLD_BERRY
 	db ITEM_5A, BERRY

data/items/descriptions.asm

@@ -25,7 +25,7 @@ ItemDescriptions:
 	dw FireStoneDesc
 	dw ThunderStoneDesc
 	dw WaterStoneDesc
-	dw QuestionMarkDesc
+	dw FairyFeatherDesc
 	dw HPUpDesc
 	dw ProteinDesc
 	dw IronDesc
@@ -915,3 +915,7 @@ MusicMailDesc:
 MirageMailDesc:
 	db   "MEW-print MAIL."
 	next "(HOLD)@"
+
+FairyFeatherDesc:
+	db   "Powers up fairy-"
+ 	next "type moves. (HOLD)@"

data/items/names.asm

@@ -24,7 +24,7 @@ ItemNames::
 	li "FIRE STONE"
 	li "THUNDERSTONE"
 	li "WATER STONE"
-	li "TERU-SAMA"
+	li "FAIRYFEATHER"
 	li "HP UP"
 	li "PROTEIN"
 	li "IRON"

data/types/names.asm

@@ -31,6 +31,7 @@ TypeNames:
 	dw Ice
 	dw Dragon
 	dw Dark
+	dw Fairy
 	assert_table_length TYPES_END
 
 Normal:    db "NORMAL@"
@@ -52,3 +53,4 @@ Ghost:     db "GHOST@"
 Steel:     db "STEEL@"
 Dragon:    db "DRAGON@"
 Dark:      db "DARK@"
+Fairy:	   db "FAIRY@"

data/types/search_strings.asm

@@ -19,4 +19,5 @@ PokedexTypeSearchStrings:
 	db " DRAGON @"
 	db "  DARK  @"
 	db " STEEL  @"
+	db " FAIRY  @"
 	assert_table_length NUM_TYPES + 1

data/types/search_types.asm

@@ -18,4 +18,5 @@ PokedexTypeSearchConversionTable:
 	db DRAGON
 	db DARK
 	db STEEL
+	db FAIRY
 	assert_table_length NUM_TYPES

data/types/type_boost_items.asm

@@ -16,4 +16,5 @@ TypeBoostItems:
 	db HELD_DRAGON_BOOST,   DRAGON       ; DRAGON_SCALE
 	db HELD_DARK_BOOST,     DARK         ; BLACKGLASSES
 	db HELD_STEEL_BOOST,    STEEL        ; METAL_COAT
+	db HELD_FAIRY_BOOST,	FAIRY		 ; FAIRY_FEATHER
 	db -1

data/types/type_matchups.asm

@@ -49,12 +49,14 @@ TypeMatchups:
 	db FIGHTING,     ROCK,         SUPER_EFFECTIVE
 	db FIGHTING,     DARK,         SUPER_EFFECTIVE
 	db FIGHTING,     STEEL,        SUPER_EFFECTIVE
+	db FIGHTING,	 FAIRY,		   NOT_VERY_EFFECTIVE
 	db POISON,       GRASS,        SUPER_EFFECTIVE
 	db POISON,       POISON,       NOT_VERY_EFFECTIVE
 	db POISON,       GROUND,       NOT_VERY_EFFECTIVE
 	db POISON,       ROCK,         NOT_VERY_EFFECTIVE
 	db POISON,       GHOST,        NOT_VERY_EFFECTIVE
 	db POISON,       STEEL,        NO_EFFECT
+	db POISON,		 FAIRY, 	   SUPER_EFFECTIVE
 	db GROUND,       FIRE,         SUPER_EFFECTIVE
 	db GROUND,       ELECTRIC,     SUPER_EFFECTIVE
 	db GROUND,       GRASS,        NOT_VERY_EFFECTIVE
@@ -83,6 +85,7 @@ TypeMatchups:
 	db BUG,          GHOST,        NOT_VERY_EFFECTIVE
 	db BUG,          DARK,         SUPER_EFFECTIVE
 	db BUG,          STEEL,        NOT_VERY_EFFECTIVE
+	db BUG,			 FAIRY,		   NOT_VERY_EFFECTIVE
 	db ROCK,         FIRE,         SUPER_EFFECTIVE
 	db ROCK,         ICE,          SUPER_EFFECTIVE
 	db ROCK,         FIGHTING,     NOT_VERY_EFFECTIVE
@@ -97,17 +100,26 @@ TypeMatchups:
 	db GHOST,        GHOST,        SUPER_EFFECTIVE
 	db DRAGON,       DRAGON,       SUPER_EFFECTIVE
 	db DRAGON,       STEEL,        NOT_VERY_EFFECTIVE
+	db DRAGON,		 FAIRY,		   NO_EFFECT
 	db DARK,         FIGHTING,     NOT_VERY_EFFECTIVE
 	db DARK,         PSYCHIC_TYPE, SUPER_EFFECTIVE
 	db DARK,         GHOST,        SUPER_EFFECTIVE
 	db DARK,         DARK,         NOT_VERY_EFFECTIVE
 	db DARK,         STEEL,        NOT_VERY_EFFECTIVE
+	db DARK,		 FAIRY,		   NOT_VERY_EFFECTIVE
 	db STEEL,        FIRE,         NOT_VERY_EFFECTIVE
 	db STEEL,        WATER,        NOT_VERY_EFFECTIVE
 	db STEEL,        ELECTRIC,     NOT_VERY_EFFECTIVE
 	db STEEL,        ICE,          SUPER_EFFECTIVE
 	db STEEL,        ROCK,         SUPER_EFFECTIVE
 	db STEEL,        STEEL,        NOT_VERY_EFFECTIVE
+	db STEEL,     	 FAIRY,        SUPER_EFFECTIVE
+	db FAIRY,   	 FIRE,         NOT_VERY_EFFECTIVE
+	db FAIRY,	   	 FIGHTING,     SUPER_EFFECTIVE
+	db FAIRY,	     POISON,       NOT_VERY_EFFECTIVE
+	db FAIRY,	  	 DRAGON,       SUPER_EFFECTIVE
+	db FAIRY,	     DARK,         SUPER_EFFECTIVE
+	db FAIRY,	  	 STEEL,        NOT_VERY_EFFECTIVE
 
 	db -2 ; end (with Foresight)
 

engine/items/item_effects.asm

@@ -38,7 +38,7 @@ ItemEffects:
 	dw EvoStoneEffect      ; FIRE_STONE
 	dw EvoStoneEffect      ; THUNDERSTONE
 	dw EvoStoneEffect      ; WATER_STONE
-	dw NoEffect            ; ITEM_19
+	dw NoEffect			   ; FAIRY_FEATHER
 	dw VitaminEffect       ; HP_UP
 	dw VitaminEffect       ; PROTEIN
 	dw VitaminEffect       ; IRON
@@ -193,22 +193,27 @@ ItemEffects:
 	dw PokeBallEffect      ; PARK_BALL
 	dw NoEffect            ; RAINBOW_WING
 	dw NoEffect            ; ITEM_B3
-	assert_table_length ITEM_B3
+	dw NoEffect			   ; BRICK_PIECE
+	dw NoEffect			   ; SURF_MAIL
+	dw NoEffect			   ; LITEBLUEMAIL
+	dw NoEffect			   ; PORTRAITMAIL
+	dw NoEffect			   ; LOVELY_MAIL
+	dw NoEffect			   ; EON_MAIL
+	dw NoEffect			   ; MORPH_MAIL
+	dw NoEffect			   ; BLUESKY_MAIL
+	dw NoEffect			   ; MUSIC_MAIL
+	dw NoEffect			   ; MIRAGE_MAIL
+	dw NoEffect			   ; ITEM_BE
+	dw NoEffect			   ; ITEM_DC
+	dw NoEffect			   ; ITEM_C3
+	dw NoEffect			   ; ITEM_FA
+	assert_table_length NUM_ITEMS
 ; The items past ITEM_B3 do not have effect entries:
-;	BRICK_PIECE
-;	SURF_MAIL
-;	LITEBLUEMAIL
-;	PORTRAITMAIL
-;	LOVELY_MAIL
-;	EON_MAIL
-;	MORPH_MAIL
-;	BLUESKY_MAIL
-;	MUSIC_MAIL
-;	MIRAGE_MAIL
-;	ITEM_BE
 ; They all have the ITEMMENU_NOUSE attribute so they can't be used anyway.
 ; NoEffect would be appropriate, with the table then being NUM_ITEMS long.
 
+; This has been amended for architectural purposes, and because we have a shitload of SW97 items to add.
+
 PokeBallEffect:
 ; BUG: The Dude's catching tutorial may crash if his Poké Ball can't be used (see docs/bugs_and_glitches.md)
 	ld a, [wBattleMode]