From 0f36eca4ab6925b7c547fadb18a9113b66b7c486 Mon Sep 17 00:00:00 2001
From: Kara Alexandra <ardnaxelarak@gmail.com>
Date: Sat, 2 May 2026 23:22:37 -0500
Subject: [PATCH] Add more shield logic

---
 hooks.asm      | 20 ++++++++++++++++++--
 multiworld.asm | 41 +++++++++++++++++++++++++++++++++--------
 npcitems.asm   | 18 ++++++++++++++++--
 pikit.asm      | 18 ++++++++++++++++++
 4 files changed, 85 insertions(+), 12 deletions(-)

diff --git a/hooks.asm b/hooks.asm
index 60040a5..d191c87 100755
--- a/hooks.asm
+++ b/hooks.asm
@@ -1522,8 +1522,9 @@ JSL DrawHeartPiecesMenu : BRA DrawEquipment_in_a_dungeon
 ;================================================================================
 ; 300 Rupee NPC
 ;--------------------------------------------------------------------------------
-org $9EF060 ; <- F7060 - sprite_shopkeeper.asm:242 (INC $0D80, X)
-JSL Set300RupeeNPCItem : NOP
+org $9EF058 ; <- F7060 - sprite_shopkeeper.asm:242 (INC $0D80, X)
+JSL Set300RupeeNPCItem
+BCS + : RTS : NOP #6 : +
 
 ;================================================================================
 ; Tree Kid Fix
@@ -2024,8 +2025,15 @@ JSL ItemCheck_MagicBat : BEQ + : RTS : NOP : +
 ;================================================================================
 org $86BD6C ; <- 33D6C - sprite_middle_aged_man.asm:143 (JSL Link_ReceiveItem)
 JSL Multiworld_MiddleAgedMan_ReactToSecretKeepingResponse
+BRA + : NOP #8 : +
+;--------------------------------------------------------------------------------
+org $86BE70 ; <- 33E72 - bank_06.asm:11877
+BRA + : NOP #10 : +
+
 org $86BE81 ; <- 33E81 - sprite_hobo.asm:150 (JSL Link_ReceiveItem)
 JSL Multiworld_Hobo_GrantBottle
+BRA + : NOP #8 : +
+;--------------------------------------------------------------------------------
 org $8589B4 ; <- 289B4 ; sprite_master_sword.asm:183 (JSL Link_ReceiveItem)
 JSL Multiworld_MasterSword_GrantToPlayer
 ;================================================================================
@@ -2872,3 +2880,11 @@ NOP #2
 
 org $80F950
 NOP #2
+
+org $81EEB3
+JSL MaybeFlagVoOChestGamePrize
+BCS ContinueVoOCheck
+PLB : RTL
+
+org $81EEC7
+ContinueVoOCheck:
diff --git a/multiworld.asm b/multiworld.asm
index 1a1d729..dea0e40 100644
--- a/multiworld.asm
+++ b/multiworld.asm
@@ -222,24 +222,49 @@ Multiworld_BottleVendor_GiveBottle:
 
 Multiworld_MiddleAgedMan_ReactToSecretKeepingResponse:
 {
+	PHA
+	JSL ShieldCheck
+	PLA
+	BCC .no_take_shield
+
 	PHA : PHP
 	SEP #$20
 	LDA.l PurpleChest_Item_Player : STA.l !MULTIWORLD_ITEM_PLAYER_ID
 	PLP : PLA
 
-	JSL Link_ReceiveItem ; thing we wrote over
-RTL
+	; what we wrote over
+	JSL Link_ReceiveItem
+	LDA.l NpcFlagsVanilla
+	ORA.b #$10
+	STA.l NpcFlagsVanilla
+
+.no_take_shield
+	RTL
 }
 
 Multiworld_Hobo_GrantBottle:
 {
-	PHA : PHP
-	SEP #$20
-	LDA.l HoboItem_Player : STA.l !MULTIWORLD_ITEM_PLAYER_ID
-	PLP : PLA
+	PHA
+	JSL ShieldCheck
+	PLA
+	BCC .no_take_shield
 
-	JSL Link_ReceiveItem ; thing we wrote over
-RTL
+	; first bit we wrote over
+	LDX.b OverworldIndex
+	LDA.l OverworldEventDataWRAM, X
+	ORA.b #$20
+	STA.l OverworldEventDataWRAM, X
+
+	LDA.l HoboItem_Player : STA.l !MULTIWORLD_ITEM_PLAYER_ID
+
+	; second bit we wrote over
+	JSL Link_ReceiveItem
+	LDA.l NpcFlagsVanilla
+	ORA.b #$01
+	STA.l NpcFlagsVanilla
+
+.no_take_shield
+	RTL
 }
 
 Multiworld_MasterSword_GrantToPlayer:
diff --git a/npcitems.asm b/npcitems.asm
index 73e5b47..791108d 100644
--- a/npcitems.asm
+++ b/npcitems.asm
@@ -223,11 +223,25 @@ Set300RupeeNPCItem:
 	+
 	LDA.w #$0000
 	LDY.b #$46 ; default to a normal 300 rupees
-	.done
+
+.done
 	SEP #$20
 	STA.l !MULTIWORLD_ITEM_PLAYER_ID
+	JSL ShieldCheck
+	BCC .cant_take
+
+	LDA.w RoomItemsTaken
+	ORA.b #$40
+	STA.w RoomItemsTaken
+
 	PLP : PLA
-RTL
+	SEC
+	RTL
+
+.cant_take
+	PLP : PLA
+	CLC
+	RTL
 
 ;================================================================================
 ; Randomize Zora King
diff --git a/pikit.asm b/pikit.asm
index f155598..f0d477b 100644
--- a/pikit.asm
+++ b/pikit.asm
@@ -184,6 +184,24 @@ PikitDigest:
 
 	RTL
 
+MaybeFlagVoOChestGamePrize:
+	LDA.l $81EDA1, X
+	TAY
+	JSL ShieldCheck
+	BCC .cant_take
+
+	LDA.w RoomItemsTaken
+	ORA.b #$40
+	STA.w RoomItemsTaken
+
+	STX.b $C8
+	STY.b $0C
+
+	SEC
+
+.cant_take
+	RTL
+
 PikitItemList:
 db $01 ; 00 - Fighter Sword and Shield
 db $01 ; 01 - Master Sword