From 5003db440bbba66a9820ec41123c9e832c2629ea Mon Sep 17 00:00:00 2001
From: DizzyEggg <jajkodizzy@wp.pl>
Date: Tue, 11 Mar 2025 12:12:42 +0100
Subject: [PATCH] sub_80462AC

---
 asm/code_8045A00.s | 374 ---------------------------------------------
 include/items.h    |   3 +-
 src/code_8045A00.c | 107 ++++++++++++-
 src/items.c        |   2 +-
 4 files changed, 109 insertions(+), 377 deletions(-)

diff --git a/asm/code_8045A00.s b/asm/code_8045A00.s
index 4ab77f462..79b0398d7 100644
--- a/asm/code_8045A00.s
+++ b/asm/code_8045A00.s
@@ -6,380 +6,6 @@
   	.text
 
 
-	thumb_func_start sub_80461C8
-sub_80461C8:
-	push {r4-r7,lr}
-	adds r2, r0, 0
-	lsls r1, 24
-	lsrs r7, r1, 24
-	movs r1, 0
-	ldrsh r0, [r2, r1]
-	movs r3, 0x2
-	ldrsh r1, [r2, r3]
-	bl GetTileMut
-	adds r6, r0, 0
-	ldr r5, [r6, 0x14]
-	cmp r5, 0
-	beq _080461EE
-	adds r0, r5, 0
-	bl GetEntityType
-	cmp r0, 0x3
-	beq _080461F2
-_080461EE:
-	movs r0, 0
-	b _08046284
-_080461F2:
-	adds r0, r5, 0
-	bl GetItemData
-	adds r4, r0, 0
-	ldrh r1, [r6]
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _0804624E
-	ldrb r0, [r4, 0x2]
-	bl CanSellItem
-	lsls r0, 24
-	cmp r0, 0
-	beq _0804624E
-	ldrb r1, [r4]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _08046238
-	cmp r7, 0
-	beq _0804624E
-	adds r0, r4, 0
-	bl GetStackBuyPrice
-	ldr r1, _08046230
-	ldr r2, [r1]
-	ldr r1, _08046234
-	adds r2, r1
-	b _08046248
-	.align 2, 0
-_08046230: .4byte gDungeon
-_08046234: .4byte 0x0000068c
-_08046238:
-	adds r0, r4, 0
-	bl GetStackSellPrice
-	ldr r1, _0804628C
-	ldr r2, [r1]
-	movs r3, 0xD2
-	lsls r3, 3
-	adds r2, r3
-_08046248:
-	ldr r1, [r2]
-	subs r1, r0
-	str r1, [r2]
-_0804624E:
-	movs r0, 0
-	str r0, [r6, 0x14]
-	str r0, [r5]
-	movs r6, 0
-	movs r4, 0
-_08046258:
-	ldr r5, _0804628C
-	ldr r0, [r5]
-	lsls r1, r4, 2
-	ldr r2, _08046290
-	adds r0, r2
-	adds r0, r1
-	ldr r0, [r0]
-	bl EntityIsValid
-	lsls r0, 24
-	adds r1, r4, 0x1
-	cmp r0, 0
-	beq _08046274
-	adds r6, r1, 0
-_08046274:
-	adds r4, r1, 0
-	cmp r4, 0x3F
-	ble _08046258
-	ldr r0, [r5]
-	ldr r3, _08046294
-	adds r0, r3
-	strh r6, [r0]
-	movs r0, 0x1
-_08046284:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0804628C: .4byte gDungeon
-_08046290: .4byte 0x0001361c
-_08046294: .4byte 0x00003904
-	thumb_func_end sub_80461C8
-
-	thumb_func_start sub_8046298
-sub_8046298:
-	ldrb r0, [r0, 0x2]
-	ldr r1, _080462A8
-	ldr r1, [r1]
-	lsls r0, 5
-	adds r0, r1
-	ldrb r0, [r0, 0xD]
-	bx lr
-	.align 2, 0
-_080462A8: .4byte gItemParametersData
-	thumb_func_end sub_8046298
-
-	thumb_func_start sub_80462AC
-sub_80462AC:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	adds r4, r0, 0
-	ldr r0, [sp, 0x28]
-	lsls r1, 24
-	lsrs r1, 24
-	mov r10, r1
-	lsls r2, 24
-	lsrs r5, r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	mov r9, r3
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	adds r0, r4, 0
-	bl EntityIsValid
-	lsls r0, 24
-	cmp r0, 0
-	bne _080462E4
-	b _08046498
-_080462E4:
-	cmp r5, 0
-	beq _08046316
-	movs r1, 0x4
-	ldrsh r0, [r4, r1]
-	movs r2, 0x6
-	ldrsh r1, [r4, r2]
-	bl GetTile
-	ldrh r0, [r0]
-	movs r1, 0x3
-	ands r1, r0
-	cmp r1, 0
-	bne _08046300
-	b _08046498
-_08046300:
-	cmp r1, 0x2
-	bne _08046308
-	movs r3, 0x1
-	str r3, [sp, 0x4]
-_08046308:
-	adds r0, r4, 0
-	bl sub_8045888
-	lsls r0, 24
-	cmp r0, 0
-	bne _08046316
-	b _08046498
-_08046316:
-	ldr r1, [r4, 0xC]
-	cmp r1, 0
-	bge _0804631E
-	adds r1, 0xFF
-_0804631E:
-	asrs r1, 8
-	ldr r0, _080463A4
-	ldr r2, [r0]
-	ldr r5, _080463A8
-	adds r0, r2, r5
-	movs r3, 0
-	ldrsh r0, [r0, r3]
-	subs r6, r1, r0
-	ldr r3, [r4, 0x10]
-	ldr r0, [r4, 0x1C]
-	subs r1, r3, r0
-	cmp r1, 0
-	bge _0804633A
-	adds r1, 0xFF
-_0804633A:
-	asrs r1, 8
-	ldr r5, _080463AC
-	adds r0, r2, r5
-	movs r5, 0
-	ldrsh r2, [r0, r5]
-	subs r1, r2
-	mov r8, r1
-	adds r0, r3, 0
-	cmp r0, 0
-	bge _08046350
-	adds r0, 0xFF
-_08046350:
-	asrs r0, 8
-	subs r0, r2
-	adds r7, r0, 0
-	adds r7, 0x8
-	lsrs r0, r7, 31
-	adds r0, r7, r0
-	asrs r7, r0, 1
-	movs r0, 0x20
-	negs r0, r0
-	cmp r6, r0
-	bge _08046368
-	b _08046498
-_08046368:
-	cmp r8, r0
-	bge _0804636E
-	b _08046498
-_0804636E:
-	movs r0, 0x88
-	lsls r0, 1
-	cmp r6, r0
-	ble _08046378
-	b _08046498
-_08046378:
-	mov r0, r8
-	cmp r0, 0xC0
-	ble _08046380
-	b _08046498
-_08046380:
-	ldr r5, _080463B0
-	ldrh r1, [r5, 0x2]
-	ldr r0, _080463B4
-	ands r0, r1
-	strh r0, [r5, 0x2]
-	mov r1, r10
-	cmp r1, 0
-	beq _080463BC
-	movs r2, 0x17
-	mov r10, r2
-	movs r2, 0xA0
-	lsls r2, 8
-	ldrh r1, [r5, 0x4]
-	ldr r0, _080463B8
-	ands r0, r1
-	orrs r0, r2
-	strh r0, [r5, 0x4]
-	b _08046408
-	.align 2, 0
-_080463A4: .4byte gDungeon
-_080463A8: .4byte 0x000181f0
-_080463AC: .4byte 0x000181f2
-_080463B0: .4byte gUnknown_202EDC0
-_080463B4: .4byte 0x0000c1ff
-_080463B8: .4byte 0x00000fff
-_080463BC:
-	ldr r0, [r4, 0x70]
-	bl sub_8046298
-	mov r10, r0
-	mov r3, r9
-	cmp r3, 0xFF
-	beq _080463EE
-	cmp r0, 0
-	bne _080463EE
-	ldr r0, _08046478
-	add r0, r9
-	ldrb r0, [r0]
-	mov r10, r0
-	ldr r0, _0804647C
-	add r0, r9
-	ldrb r1, [r0]
-	lsls r1, 3
-	movs r0, 0x1F
-	ands r1, r0
-	lsls r1, 9
-	ldrh r2, [r5, 0x2]
-	ldr r0, _08046480
-	ands r0, r2
-	orrs r0, r1
-	strh r0, [r5, 0x2]
-_080463EE:
-	ldr r0, [r4, 0x70]
-	ldrb r0, [r0, 0x2]
-	bl GetItemPalette
-	movs r1, 0xF
-	ands r0, r1
-	lsls r0, 12
-	ldr r3, _08046484
-	ldrh r2, [r3, 0x4]
-	ldr r1, _08046488
-	ands r1, r2
-	orrs r1, r0
-	strh r1, [r3, 0x4]
-_08046408:
-	ldr r1, _08046488
-	mov r5, r8
-	ands r1, r5
-	lsls r1, 4
-	ldr r4, _08046484
-	ldrh r2, [r4, 0x6]
-	movs r0, 0xF
-	ands r0, r2
-	orrs r0, r1
-	strh r0, [r4, 0x6]
-	ldr r0, _0804648C
-	ands r6, r0
-	ldrh r1, [r4, 0x2]
-	movs r0, 0xFE
-	lsls r0, 8
-	ands r0, r1
-	orrs r0, r6
-	strh r0, [r4, 0x2]
-	ldr r0, [sp, 0x4]
-	lsls r3, r0, 10
-	ldrh r2, [r4]
-	ldr r1, _08046490
-	adds r0, r1, 0
-	ands r0, r2
-	orrs r0, r3
-	strh r0, [r4]
-	movs r2, 0xC0
-	lsls r2, 4
-	ldrh r0, [r4, 0x4]
-	ands r1, r0
-	orrs r1, r2
-	mov r2, r10
-	lsls r0, r2, 2
-	movs r3, 0xD0
-	lsls r3, 1
-	adds r0, r3
-	ldr r2, _08046494
-	ands r0, r2
-	movs r2, 0xFC
-	lsls r2, 8
-	ands r1, r2
-	orrs r1, r0
-	strh r1, [r4, 0x4]
-	ldr r5, [sp]
-	cmp r5, 0
-	bne _08046466
-	movs r7, 0x1
-_08046466:
-	adds r0, r4, 0
-	adds r1, r7, 0
-	movs r2, 0
-	movs r3, 0
-	bl AddSprite
-	movs r0, 0x1
-	b _0804649A
-	.align 2, 0
-_08046478: .4byte gUnknown_203B420
-_0804647C: .4byte gUnknown_203B428
-_08046480: .4byte 0x0000c1ff
-_08046484: .4byte gUnknown_202EDC0
-_08046488: .4byte 0x00000fff
-_0804648C: .4byte 0x000001ff
-_08046490: .4byte 0x0000f3ff
-_08046494: .4byte 0x000003ff
-_08046498:
-	movs r0, 0
-_0804649A:
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80462AC
-
 	thumb_func_start sub_80464AC
 sub_80464AC:
 	push {r4,lr}
diff --git a/include/items.h b/include/items.h
index 1dd09dd99..933aa5920 100644
--- a/include/items.h
+++ b/include/items.h
@@ -6,6 +6,7 @@
 #include "structs/str_pokemon.h"
 #include "structs/subStruct_203B240.h"
 
+extern ItemDataEntry *gItemParametersData;
 extern TeamInventory *gTeamInventoryRef;
 
 void LoadItemParameters(void);
@@ -25,7 +26,7 @@ s32 GetStackSellPrice(Item *param_1);
 s32 GetItemBuyPrice(u8 id);
 s32 GetItemSellPrice(u8 id);
 s32 GetItemOrder(u8 id);
-u8 GetItemPalette(u8 id);
+s32 GetItemPalette(u8 id);
 u32 GetItemActionType(u8 id);
 u32 GetSpawnAmountRange(u8 id, u32 r1);
 u8 *GetItemDescription(u8 id);
diff --git a/src/code_8045A00.c b/src/code_8045A00.c
index f14880c6f..aa3be02d8 100644
--- a/src/code_8045A00.c
+++ b/src/code_8045A00.c
@@ -28,7 +28,7 @@ extern struct unkStruct_8090F58 gUnknown_80F699C;
 extern struct unkStruct_8090F58 gUnknown_80F69A8;
 extern struct unkStruct_8090F58 gUnknown_80F6990;
 
-extern bool8 sub_80461C8(DungeonPos *, u32);
+bool8 sub_80461C8(DungeonPos *, bool8);
 void sub_8045BF8(u8 *, Item *);
 extern u32 sub_803D73C(u32);
 bool8 sub_80460F8(DungeonPos *, Item *, bool8);
@@ -380,3 +380,108 @@ bool8 sub_80460F8(DungeonPos *pos, Item *item, bool8 a2)
     gDungeon->numItems = count;
     return TRUE;
 }
+
+bool8 sub_80461C8(DungeonPos *pos, bool8 a2)
+{
+    s32 i, count;
+    Item *item;
+    Tile *tile = GetTileMut(pos->x, pos->y);
+    Entity *tileObject = tile->object;
+    if (tileObject == NULL || GetEntityType(tileObject) != ENTITY_ITEM)
+        return FALSE;
+
+    item = GetItemData(tileObject);
+    if ((tile->terrainType & TERRAIN_TYPE_SHOP) && CanSellItem(item->id)) {
+        if (item->flags & ITEM_FLAG_IN_SHOP) {
+            if (a2) {
+                gDungeon->unk644.unk48 -= GetStackBuyPrice(item);
+            }
+        }
+        else {
+            gDungeon->unk644.unk4C -= GetStackSellPrice(item);
+        }
+    }
+
+    tile->object = NULL;
+    tileObject->type = ENTITY_NOTHING;
+
+    count = 0;
+    for (i = 0; i < DUNGEON_MAX_ITEMS; i++) {
+        if (EntityIsValid(gDungeon->items[i])) {
+            count = i + 1;
+        }
+    }
+    gDungeon->numItems = count;
+    return TRUE;
+}
+
+s32 sub_8046298(Item *item)
+{
+    return gItemParametersData[item->id].icon;
+}
+
+extern bool8 sub_8045888(Entity *);
+
+extern SpriteOAM gUnknown_202EDC0;
+extern u8 gUnknown_203B420[];
+extern u8 gUnknown_203B428[];
+
+bool8 sub_80462AC(Entity * entity, u8 a1, u8 a2, u8 a3, u8 a4)
+{
+    s32 x, y, y2;
+    s32 objMode = 0;
+
+    if (!EntityIsValid(entity))
+        return FALSE;
+
+    if (a2) {
+        s32 terrainType = GetTerrainType(GetTile(entity->pos.x, entity->pos.y));
+
+        if (terrainType == TERRAIN_TYPE_WALL)
+            return FALSE;
+        if (terrainType == TERRAIN_TYPE_SECONDARY) {
+            objMode = 1;
+        }
+
+        if (!sub_8045888(entity))
+            return FALSE;
+    }
+
+    x = (entity->pixelPos.x / 256) - gDungeon->unk181e8.cameraPixelPos.x;
+    y = ((entity->pixelPos.y - entity->unk1C.raw) / 256) - gDungeon->unk181e8.cameraPixelPos.y;
+    y2 = ((entity->pixelPos.y / 256) - gDungeon->unk181e8.cameraPixelPos.y) + 8;
+    y2 /= 2;
+
+    if (x >= -32 && y >= -32 && x <= 272 && y <= 192) {
+        s32 tileNum;
+
+        SpriteSetMatrixNum(&gUnknown_202EDC0, 0);
+        if (a1) {
+            tileNum = 0x17;
+            SpriteSetPalNum(&gUnknown_202EDC0, 10);
+        }
+        else {
+            tileNum = sub_8046298(entity->axObj.info.item);
+            if (a3 != 0xFF && tileNum == 0) {
+                tileNum = gUnknown_203B420[a3];
+                SpriteSetMatrixNum(&gUnknown_202EDC0, gUnknown_203B428[a3] * 8);
+            }
+            SpriteSetPalNum(&gUnknown_202EDC0, GetItemPalette(entity->axObj.info.item->id));
+        }
+
+        SpriteSetY(&gUnknown_202EDC0, y);
+        SpriteSetX(&gUnknown_202EDC0, x);
+        SpriteSetObjMode(&gUnknown_202EDC0, objMode);
+        SpriteSetPriority(&gUnknown_202EDC0, 3);
+        SpriteSetTileNum(&gUnknown_202EDC0, 0x1A0 + tileNum * 4);
+        if (!a4) {
+            y2 = 1;
+        }
+        AddSprite(&gUnknown_202EDC0, y2, NULL, NULL);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+//
diff --git a/src/items.c b/src/items.c
index fa898c3b8..69349b080 100644
--- a/src/items.c
+++ b/src/items.c
@@ -265,7 +265,7 @@ s32 GetItemOrder(u8 id)
     return gItemParametersData[id].order;
 }
 
-u8 GetItemPalette(u8 id)
+s32 GetItemPalette(u8 id)
 {
     return gItemParametersData[id].palette;
 }