Decomped EvaluateItem()

12 files changed, 537 insertions, 652 deletions

diff --git a/asm/code_8048480.s b/asm/code_8048480.s
index 37e3310..5f533e2 100644
--- a/asm/code_8048480.s
+++ b/asm/code_8048480.s
@@ -1310,638 +1310,4 @@ sub_8048F00:
 _08048F24: .4byte gPtrMusicBoxPlayedCrumbledMessage
 	thumb_func_end sub_8048F00
 
-	thumb_func_start EvaluateItem
-EvaluateItem:
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	ldr r3, [r4, 0x70]
-	movs r6, 0
-	movs r0, 0x1
-	adds r5, r2, 0
-	ands r5, r0
-	lsrs r2, 1
-	movs r0, 0x1
-	ands r2, r0
-	ldrb r0, [r1, 0x2]
-	subs r0, 0x1
-	cmp r0, 0xCC
-	bls _08048F48
-	b _080494E0
-_08048F48:
-	lsls r0, 2
-	ldr r1, _08048F54
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08048F54: .4byte _08048F58
-	.align 2, 0
-_08048F58:
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _0804928C
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _08049408
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _08049296
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080492B0
-	.4byte _080492B0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _08049320
-	.4byte _080494E0
-	.4byte _080492B8
-	.4byte _080492B8
-	.4byte _0804935E
-	.4byte _080494E0
-	.4byte _080493E0
-	.4byte _0804948E
-	.4byte _08049394
-	.4byte _08049344
-	.4byte _0804946E
-	.4byte _0804947A
-	.4byte _08049378
-	.4byte _080493CE
-	.4byte _080493AC
-	.4byte _080493B8
-	.4byte _08049436
-	.4byte _080494E0
-	.4byte _080493F6
-	.4byte _080494B2
-	.4byte _0804946A
-	.4byte _08049462
-	.4byte _08049454
-	.4byte _08049498
-	.4byte _080492DC
-	.4byte _0804932C
-	.4byte _08049338
-	.4byte _0804933C
-	.4byte _08049340
-	.4byte _080494C2
-	.4byte _080494C2
-	.4byte _080494D6
-	.4byte _080494C2
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494E0
-	.4byte _080494DA
-_0804928C:
-	cmp r5, 0
-	bne _08049292
-	b _080494E2
-_08049292:
-	movs r6, 0x46
-	b _080494E2
-_08049296:
-	cmp r5, 0
-	bne _0804929C
-	b _080494E0
-_0804929C:
-	movs r1, 0x9E
-	lsls r1, 1
-	adds r0, r3, r1
-	ldr r0, [r0]
-	bl GetBellyRoundedUp
-	cmp r0, 0
-	ble _080492AE
-	b _0804948A
-_080492AE:
-	b _080494E0
-_080492B0:
-	cmp r5, 0
-	beq _080492B6
-	b _0804948A
-_080492B6:
-	b _080494E0
-_080492B8:
-	movs r2, 0xE
-	ldrsh r1, [r3, r2]
-	movs r2, 0x10
-	ldrsh r0, [r3, r2]
-	cmp r1, r0
-	blt _080492C6
-	b _080494E2
-_080492C6:
-	cmp r0, 0
-	bge _080492CC
-	adds r0, 0x3
-_080492CC:
-	asrs r0, 2
-	cmp r1, r0
-	ble _080492D4
-	b _080494E2
-_080492D4:
-	cmp r5, 0
-	bne _080492DA
-	b _08049420
-_080492DA:
-	b _08049432
-_080492DC:
-	movs r6, 0
-	movs r0, 0x8C
-	lsls r0, 1
-	adds r5, r3, r0
-	adds r7, r5, 0
-	movs r2, 0x3
-_080492E8:
-	ldrb r1, [r5]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0804930C
-	ldrb r0, [r5, 0x4]
-	cmp r0, 0
-	bne _080492FA
-	adds r6, 0x1E
-_080492FA:
-	ldrb r4, [r5, 0x4]
-	adds r0, r7, 0
-	str r2, [sp]
-	bl GetMoveMaxPP
-	ldr r2, [sp]
-	cmp r4, r0
-	beq _0804930C
-	adds r6, 0x6
-_0804930C:
-	adds r5, 0x8
-	adds r7, 0x8
-	subs r2, 0x1
-	cmp r2, 0
-	bge _080492E8
-	cmp r6, 0x62
-	bgt _0804931C
-	b _080494E2
-_0804931C:
-	movs r6, 0x63
-	b _080494E2
-_08049320:
-	adds r0, r4, 0
-	bl HasNegativeStatus
-	lsls r0, 24
-	movs r6, 0
-	b _080494BC
-_0804932C:
-	ldrb r0, [r3, 0x14]
-_0804932E:
-	movs r6, 0x64
-	cmp r0, 0xF9
-	bhi _08049336
-	b _080494E2
-_08049336:
-	b _080494E0
-_08049338:
-	ldrb r0, [r3, 0x15]
-	b _0804932E
-_0804933C:
-	ldrb r0, [r3, 0x16]
-	b _0804932E
-_08049340:
-	ldrb r0, [r3, 0x17]
-	b _0804932E
-_08049344:
-	cmp r5, 0
-	beq _0804934A
-	b _080494E0
-_0804934A:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x64
-	cmp r0, 0
-	bne _0804935A
-	b _080494E2
-_0804935A:
-	movs r6, 0xA
-	b _080494E2
-_0804935E:
-	adds r0, r4, 0
-	bl CanSeeInvisible
-	lsls r0, 24
-	cmp r0, 0
-	beq _0804936C
-	b _080494A2
-_0804936C:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_08049378:
-	ldr r0, [r4, 0x70]
-	movs r1, 0x82
-	lsls r1, 1
-	adds r0, r1
-	ldr r0, [r0]
-	cmp r0, 0x3
-	ble _08049388
-	b _080494A2
-_08049388:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_08049394:
-	adds r0, r3, 0
-	adds r0, 0xE8
-	ldrb r0, [r0]
-	cmp r0, 0x2
-	bne _080493A0
-	b _080494A2
-_080493A0:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_080493AC:
-	adds r0, r3, 0
-	adds r0, 0xAC
-	ldrb r0, [r0]
-	cmp r0, 0x4
-	bne _080494A2
-	b _080494B2
-_080493B8:
-	adds r0, r3, 0
-	adds r0, 0xBC
-	ldrb r0, [r0]
-	cmp r0, 0x2
-	beq _080494A2
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0xF
-	b _080494BC
-_080493CE:
-	adds r0, r3, 0
-	adds r0, 0xAC
-	ldrb r0, [r0]
-	subs r0, 0x2
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bhi _080494A2
-	b _08049420
-_080493E0:
-	adds r0, r3, 0
-	adds r0, 0xE8
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _080494A2
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_080493F6:
-	cmp r2, 0
-	bne _0804940C
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	cmp r0, 0
-	beq _080494E2
-_08049408:
-	movs r6, 0x28
-	b _080494E2
-_0804940C:
-	movs r2, 0xE
-	ldrsh r1, [r3, r2]
-	movs r2, 0x10
-	ldrsh r0, [r3, r2]
-	cmp r1, r0
-	bge _080494E2
-	cmp r1, 0x13
-	bgt _080494E2
-	cmp r5, 0
-	bne _08049432
-_08049420:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x32
-	cmp r0, 0
-	beq _080494E2
-	movs r6, 0x64
-	b _080494E2
-_08049432:
-	movs r6, 0x32
-	b _080494E2
-_08049436:
-	adds r0, r3, 0
-	adds r0, 0xA8
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _080494A2
-	cmp r0, 0x5
-	beq _080494A2
-	cmp r0, 0x3
-	beq _080494A2
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_08049454:
-	adds r0, r3, 0
-	adds r0, 0xA8
-	ldrb r0, [r0]
-	cmp r0, 0x2
-	beq _080494A2
-	movs r6, 0x5
-	b _080494E2
-_08049462:
-	ldrb r0, [r3, 0x9]
-	movs r6, 0
-	cmp r0, 0x62
-	bhi _080494E2
-_0804946A:
-	movs r6, 0x50
-	b _080494E2
-_0804946E:
-	adds r0, r3, 0
-	adds r0, 0xAC
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _0804948A
-	b _080494E0
-_0804947A:
-	movs r1, 0x9E
-	lsls r1, 1
-	adds r0, r3, r1
-	ldr r0, [r0]
-	bl GetBellyRoundedUp
-	cmp r0, 0
-	ble _080494E0
-_0804948A:
-	movs r0, 0x32
-	b _080494E4
-_0804948E:
-	ldrb r0, [r3, 0x9]
-	movs r6, 0
-	cmp r0, 0x1
-	bls _080494E2
-	b _0804946A
-_08049498:
-	adds r0, r3, 0
-	adds r0, 0xB0
-	ldrb r0, [r0]
-	cmp r0, 0x6
-	bne _080494A6
-_080494A2:
-	movs r0, 0
-	b _080494E4
-_080494A6:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x5
-	b _080494BC
-_080494B2:
-	adds r0, r4, 0
-	bl CanTargetAdjacentPokemon
-	lsls r0, 24
-	movs r6, 0x1E
-_080494BC:
-	cmp r0, 0
-	beq _080494E2
-	b _0804946A
-_080494C2:
-	movs r2, 0x9E
-	lsls r2, 1
-	adds r0, r3, r2
-	ldr r0, [r0]
-	bl GetBellyRoundedUp
-	cmp r0, 0x9
-	bgt _080494E0
-	movs r0, 0x64
-	b _080494E4
-_080494D6:
-	movs r6, 0x1E
-	b _080494E2
-_080494DA:
-	movs r6, 0x14
-	cmp r5, 0
-	beq _080494E2
-_080494E0:
-	movs r6, 0
-_080494E2:
-	adds r0, r6, 0
-_080494E4:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end EvaluateItem
-
-	thumb_func_start CanTargetAdjacentPokemon
-CanTargetAdjacentPokemon:
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r6, 0
-_080494F2:
-	movs r1, 0x4
-	ldrsh r0, [r5, r1]
-	ldr r1, _08049538
-	lsls r2, r6, 2
-	adds r2, r1
-	movs r3, 0
-	ldrsh r1, [r2, r3]
-	adds r0, r1
-	movs r3, 0x6
-	ldrsh r1, [r5, r3]
-	movs r3, 0x2
-	ldrsh r2, [r2, r3]
-	adds r1, r2
-	bl GetMapTileAtPosition
-	ldr r4, [r0, 0x10]
-	cmp r4, 0
-	beq _0804953C
-	adds r0, r4, 0
-	bl GetEntityType
-	cmp r0, 0
-	beq _0804953C
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r2, 0
-	movs r3, 0x1
-	bl CanTarget
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0804953C
-	movs r0, 0x1
-	b _08049544
-	.align 2, 0
-_08049538: .4byte gAdjacentTileOffsets
-_0804953C:
-	adds r6, 0x1
-	cmp r6, 0x7
-	ble _080494F2
-	movs r0, 0
-_08049544:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end CanTargetAdjacentPokemon
-
 	.align 2, 0
\ No newline at end of file
diff --git a/asm/code_80494EC.s b/asm/code_80494EC.s
new file mode 100644
index 0000000..a38b22b
--- /dev/null
+++ b/asm/code_80494EC.s
@@ -0,0 +1,59 @@
+	#include "asm/constants/gba_constants.inc"
+  	#include "asm/macros.inc"
+
+  	.syntax unified
+
+  	.text
+  
+	thumb_func_start CanTargetAdjacentPokemon
+CanTargetAdjacentPokemon:
+	push {r4-r6,lr}
+	adds r5, r0, 0
+	movs r6, 0
+_080494F2:
+	movs r1, 0x4
+	ldrsh r0, [r5, r1]
+	ldr r1, _08049538
+	lsls r2, r6, 2
+	adds r2, r1
+	movs r3, 0
+	ldrsh r1, [r2, r3]
+	adds r0, r1
+	movs r3, 0x6
+	ldrsh r1, [r5, r3]
+	movs r3, 0x2
+	ldrsh r2, [r2, r3]
+	adds r1, r2
+	bl GetMapTileAtPosition
+	ldr r4, [r0, 0x10]
+	cmp r4, 0
+	beq _0804953C
+	adds r0, r4, 0
+	bl GetEntityType
+	cmp r0, 0
+	beq _0804953C
+	adds r0, r5, 0
+	adds r1, r4, 0
+	movs r2, 0
+	movs r3, 0x1
+	bl CanTarget
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x1
+	bne _0804953C
+	movs r0, 0x1
+	b _08049544
+	.align 2, 0
+_08049538: .4byte gAdjacentTileOffsets
+_0804953C:
+	adds r6, 0x1
+	cmp r6, 0x7
+	ble _080494F2
+	movs r0, 0
+_08049544:
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	thumb_func_end CanTargetAdjacentPokemon
+
+	.align 2, 0
\ No newline at end of file
diff --git a/include/constants/item.h b/include/constants/item.h
index 1268bd8..2f79b4d 100644
--- a/include/constants/item.h
+++ b/include/constants/item.h
@@ -162,18 +162,18 @@
 #define ITEM_ID_CALM_MIND 0x80
 #define ITEM_ID_ROAR 0x81
 #define ITEM_ID_TOXIC 0x82
-#define ITEM_ID_HAIL_ORB 0x83
+#define ITEM_ID_HAIL 0x83
 #define ITEM_ID_BULK_UP 0x84
 #define ITEM_ID_BULLET_SEED 0x85
 #define ITEM_ID_HIDDEN_POWER 0x86
-#define ITEM_ID_SUNNY_ORB 0x87
+#define ITEM_ID_SUNNY_DAY 0x87
 #define ITEM_ID_TAUNT 0x88
 #define ITEM_ID_ICE_BEAM 0x89
 #define ITEM_ID_BLIZZARD 0x8A
 #define ITEM_ID_HYPER_BEAM 0x8B
 #define ITEM_ID_LIGHT_SCREEN 0x8C
 #define ITEM_ID_PROTECT 0x8D
-#define ITEM_ID_RAINY_ORB 0x8E
+#define ITEM_ID_RAIN_DANCE 0x8E
 #define ITEM_ID_GIGA_DRAIN 0x8F
 #define ITEM_ID_SAFEGUARD 0x90
 #define ITEM_ID_FRUSTRATION 0x91
@@ -187,14 +187,14 @@
 #define ITEM_ID_PSYCHIC 0x99
 #define ITEM_ID_SHADOW_BALL 0x9A
 #define ITEM_ID_BRICK_BREAK 0x9B
-#define ITEM_ID_EVASION_ORB 0x9C
+#define ITEM_ID_DOUBLE_TEAM 0x9C
 #define ITEM_ID_REFLECT 0x9D
 #define ITEM_ID_SHOCK_WAVE 0x9E
 #define ITEM_ID_FLAMETHROWER 0x9F
 #define ITEM_ID_SLUDGE_BOMB 0xA0
-#define ITEM_ID_SANDY_ORB 0xA1
+#define ITEM_ID_SANDSTORM 0xA1
 #define ITEM_ID_FIRE_BLAST 0xA2
-#define ITEM_ID_ROCKY_ORB 0xA3
+#define ITEM_ID_ROCK_TOMB 0xA3
 #define ITEM_ID_AERIAL_ACE 0xA4
 #define ITEM_ID_TORMENT 0xA5
 #define ITEM_ID_FACADE 0xA6
@@ -204,7 +204,7 @@
 #define ITEM_ID_THIEF 0xAA
 #define ITEM_ID_STEEL_WING 0xAB
 #define ITEM_ID_SKILL_SWAP 0xAC
-#define ITEM_ID_SNATCH_ORB 0xAD
+#define ITEM_ID_SNATCH 0xAD
 #define ITEM_ID_OVERHEAT 0xAE
 #define ITEM_ID_WIDE_SLASH 0xAF
 #define ITEM_ID_EXCAVATE 0xB0
diff --git a/include/dungeon_ai_item_weight.h b/include/dungeon_ai_item_weight.h
new file mode 100644
index 0000000..705c0ca
--- /dev/null
+++ b/include/dungeon_ai_item_weight.h
@@ -0,0 +1,9 @@
+#ifndef GUARD_DUNGEON_AI_ITEM_WEIGHT_H
+#define GUARD_DUNGEON_AI_ITEM_WEIGHT_H
+
+#include "dungeon_entity.h"
+
+// 0x48F28
+u32 EvaluateItem(struct DungeonEntity *targetPokemon, struct ItemSlot *item, u32 itemTargetFlags);
+
+#endif
diff --git a/include/dungeon_entity.h b/include/dungeon_entity.h
index 233ef8e..d5c2871 100644
--- a/include/dungeon_entity.h
+++ b/include/dungeon_entity.h
@@ -164,8 +164,7 @@ struct DungeonEntityData
     u8 fillFE[0x100 - 0xFE];
     /* 0x100 */ u8 targetingDecoy; // If the Pokémon is targeting a decoy, this indicates whether the decoy target is a team or wild Pokémon.
     u8 fill101[0x104 - 0x101];
-    /* 0x104 */ u8 movementSpeed;
-    u8 fill105[0x108 - 0x105];
+    /* 0x104 */ s32 movementSpeed;
     // The turn counter for movement speed up/down is split into five timers each. Multiple timers are used if the Pokémon is affected by multiple
     // speed-up/slow effects at once, like using Agility twice.
     /* 0x108 */ u8 speedUpTurnsLeft[5];
diff --git a/include/moves.h b/include/moves.h
new file mode 100644
index 0000000..bba50b3
--- /dev/null
+++ b/include/moves.h
@@ -0,0 +1,8 @@
+#ifndef GUARD_MOVES_H
+#define GUARD_MOVES_H
+
+#include "constants/move.h"
+
+u32 GetMoveMaxPP(struct PokemonMove *move);
+
+#endif
diff --git a/ld_script.txt b/ld_script.txt
index 3e9309b..570f487 100755
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -196,6 +196,8 @@ SECTIONS {
         asm/code_8046CE4.o(.text);
         src/code_8048480.o(.text);
         asm/code_8048480.o(.text);
+        src/dungeon_ai_item_weight.o(.text);
+        asm/code_80494EC.o(.text);
         src/dungeon_map_access.o(.text);
         asm/code_8049590.o(.text);
         src/code_80521D0.o(.text);
diff --git a/src/dungeon_ai_item_weight.c b/src/dungeon_ai_item_weight.c
new file mode 100644
index 0000000..438c064
--- /dev/null
+++ b/src/dungeon_ai_item_weight.c
@@ -0,0 +1,442 @@
+#include "global.h"
+#include "dungeon_ai_item_weight.h"
+
+#include "constants/status.h"
+#include "dungeon_pokemon_attributes_1.h"
+#include "moves.h"
+
+extern s32 GetBellyRoundedUp(u32);
+extern bool8 CanTargetAdjacentPokemon(struct DungeonEntity*);
+extern bool8 HasNegativeStatus(struct DungeonEntity*);
+
+u32 EvaluateItem(struct DungeonEntity *targetPokemon, struct ItemSlot *item, u32 itemTargetFlags)
+{
+    struct DungeonEntityData *pokemonData = targetPokemon->entityData;
+    s32 itemWeight = 0;
+    bool8 targetOther = itemTargetFlags & 1;
+    u16 targetAlly = (itemTargetFlags >> 1) & 1;
+    s32 i;
+    struct PokemonMove *move;
+    struct PokemonMove *move2;
+    switch (item->itemIndex)
+    {
+        case ITEM_ID_STICK:
+        case ITEM_ID_IRON_THORN:
+        case ITEM_ID_SILVER_SPIKE:
+        case ITEM_ID_GOLD_FANG:
+        case ITEM_ID_CACNEA_SPIKE:
+        case ITEM_ID_CORSOLA_TWIG:
+        case ITEM_ID_GRAVELEROCK:
+        case ITEM_ID_GEO_PEBBLE:
+            if (targetOther)
+            {
+                itemWeight = 70;
+            }
+            break;
+        case ITEM_ID_DIET_RIBBON:
+            if (targetOther && GetBellyRoundedUp(pokemonData->belly) > 0)
+            {
+                return 50;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_WHIFF_SPECS:
+        case ITEM_ID_NO_AIM_SCOPE:
+            if (targetOther)
+            {
+                return 50;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_ORAN_BERRY:
+        case ITEM_ID_SITRUS_BERRY:
+            if (pokemonData->HP < pokemonData->maxHP && pokemonData->HP <= pokemonData->maxHP / 4)
+            {
+                if (!targetOther)
+                {
+                    if (CanTargetAdjacentPokemon(targetPokemon))
+                    {
+                        itemWeight = 100;
+                    }
+                    else
+                    {
+                        itemWeight = 50;
+                    }
+                }
+                else
+                {
+                    itemWeight = 50;
+                }
+            }
+            break;
+        case ITEM_ID_MAX_ELIXIR:
+            itemWeight = 0;
+            move = pokemonData->moves;
+            move2 = move;
+            for (i = 0; i < MAX_MON_MOVES; move++, move2++, i++)
+            {
+                if (move->moveFlags & MOVE_FLAG_EXISTS)
+                {
+                    if (move->pp == 0)
+                    {
+                        itemWeight += 30;
+                    }
+                    if (move->pp != GetMoveMaxPP(move2))
+                    {
+                        itemWeight += 6;
+                    }
+                }
+            }
+            if (itemWeight > 98)
+            {
+                itemWeight = 99;
+            }
+            break;
+        case ITEM_ID_HEAL_SEED:
+            if (HasNegativeStatus(targetPokemon))
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_PROTEIN:
+            if (pokemonData->attack > 249)
+            {
+                itemWeight = 0;
+            }
+            else
+            {
+                itemWeight = 100;
+            }
+            break;
+        case ITEM_ID_CALCIUM:
+            if (pokemonData->specialAttack > 249)
+            {
+                itemWeight = 0;
+            }
+            else
+            {
+                itemWeight = 100;
+            }
+            break;
+        case ITEM_ID_IRON:
+            if (pokemonData->defense > 249)
+            {
+                itemWeight = 0;
+            }
+            else
+            {
+                itemWeight = 100;
+            }
+            break;
+        case ITEM_ID_ZINC:
+            if (pokemonData->specialDefense > 249)
+            {
+                itemWeight = 0;
+            }
+            else
+            {
+                itemWeight = 100;
+            }
+            break;
+        case ITEM_ID_LIFE_SEED:
+            if (!targetOther)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 10;
+                }
+                else
+                {
+                    itemWeight = 100;
+                }
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_EYEDROP_SEED:
+            if (!CanSeeInvisible(targetPokemon))
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_QUICK_SEED:
+            if (targetPokemon->entityData->movementSpeed <= 3)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_ALLURE_SEED:
+            if (pokemonData->eyesightStatus != EYESIGHT_STATUS_CROSS_EYED)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_CHERI_BERRY:
+            if (pokemonData->nonVolatileStatus != NON_VOLATILE_STATUS_PARALYZED)
+            {
+                return 0;
+            }
+            else if (CanTargetAdjacentPokemon(targetPokemon))
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 30;
+            }
+            break;
+        case ITEM_ID_TOTTER_SEED:
+            if (pokemonData->volatileStatus != VOLATILE_STATUS_CONFUSED)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 15;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_PECHA_BERRY:
+            if (pokemonData->nonVolatileStatus != NON_VOLATILE_STATUS_POISONED &&
+                pokemonData->nonVolatileStatus != NON_VOLATILE_STATUS_BADLY_POISONED)
+            {
+                return 0;
+            }
+            else if (CanTargetAdjacentPokemon(targetPokemon))
+            {
+                itemWeight = 100;
+            }
+            else
+            {
+                itemWeight = 50;
+            }
+            break;
+        case ITEM_ID_BLINKER_SEED:
+            if (pokemonData->eyesightStatus != EYESIGHT_STATUS_BLINKER)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_WARP_SEED:
+            if (!targetAlly)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 40;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else if (pokemonData->HP < pokemonData->maxHP && pokemonData->HP < 20)
+            {
+                if (!targetOther)
+                {
+                    if (CanTargetAdjacentPokemon(targetPokemon))
+                    {
+                        itemWeight = 100;
+                    }
+                    else
+                    {
+                        itemWeight = 50;
+                    }
+                }
+                else
+                {
+                    itemWeight = 50;
+                }
+            }
+            break;
+        case ITEM_ID_PATSY_BAND:
+            itemWeight = 40;
+            break;
+        case ITEM_ID_SLEEP_SEED:
+            if (pokemonData->sleepStatus != SLEEP_STATUS_SLEEP &&
+                pokemonData->sleepStatus != SLEEP_STATUS_NAPPING &&
+                pokemonData->sleepStatus != SLEEP_STATUS_NIGHTMARE)
+            {
+                if (CanTargetAdjacentPokemon(targetPokemon))
+                {
+                    itemWeight = 80;
+                }
+                else
+                {
+                    itemWeight = 5;
+                }
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_CHESTO_BERRY:
+            if (pokemonData->sleepStatus != SLEEP_STATUS_SLEEPLESS)
+            {
+                itemWeight = 5;
+            }
+            else
+            {
+                return 0;
+            }
+            break;
+        case ITEM_ID_JOY_SEED:
+            if (pokemonData->level < 99)
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_GINSENG:
+            itemWeight = 80;
+            break;
+        case ITEM_ID_RAWST_BERRY:
+            if (pokemonData->nonVolatileStatus == NON_VOLATILE_STATUS_BURNED)
+            {
+                return 50;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_HUNGER_SEED:
+            if (GetBellyRoundedUp(pokemonData->belly) > 0)
+            {
+                return 50;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_DOOM_SEED:
+            if (pokemonData->level > 1)
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_STUN_SEED:
+            if (pokemonData->immobilizeStatus == IMMOBILIZE_STATUS_PETRIFIED)
+            {
+                return 0;
+            }
+            else if (CanTargetAdjacentPokemon(targetPokemon))
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 5;
+            }
+            break;
+        case ITEM_ID_BLAST_SEED:
+            if (CanTargetAdjacentPokemon(targetPokemon))
+            {
+                itemWeight = 80;
+            }
+            else
+            {
+                itemWeight = 30;
+            }
+            break;
+        case ITEM_ID_APPLE:
+        case ITEM_ID_BIG_APPLE:
+        case ITEM_ID_HUGE_APPLE:
+            if (GetBellyRoundedUp(pokemonData->belly) < 10)
+            {
+                return 100;
+            }
+            else
+            {
+                itemWeight = 0;
+            }
+            break;
+        case ITEM_ID_GRIMY_FOOD:
+            itemWeight = 30;
+            break;
+        case ITEM_ID_ROLLCALL_ORB:
+            move = pokemonData->moves; // Fixes a regswap.
+            if (targetOther)
+            {
+                itemWeight = 0;
+            }
+            else
+            {
+                itemWeight = 20;
+            }
+            break;
+        default:
+            itemWeight = 0;
+    }
+    return itemWeight;
+}
diff --git a/src/dungeon_ai_items.c b/src/dungeon_ai_items.c
index 56e4447..8751eb1 100644
--- a/src/dungeon_ai_items.c
+++ b/src/dungeon_ai_items.c
@@ -8,6 +8,7 @@
 #include "dungeon_action.h"
 #include "dungeon_ai_1.h"
 #include "dungeon_ai_attack.h"
+#include "dungeon_ai_item_weight.h"
 #include "dungeon_ai_items.h"
 #include "dungeon_capabilities.h"
 #include "dungeon_capabilities_1.h"
@@ -35,7 +36,6 @@ enum ItemTargetFlag
 };
 
 extern s32 CalculateFacingDir(struct Position*, struct Position*);
-extern u32 EvaluateItem(struct DungeonEntity*, struct ItemSlot*, u32);
 extern void sub_8077274(struct DungeonEntity *, struct DungeonEntity *);
 
 extern s32 gNumPotentialTargets;
diff --git a/src/dungeon_items.c b/src/dungeon_items.c
index 5614e9b..bfaab53 100644
--- a/src/dungeon_items.c
+++ b/src/dungeon_items.c
@@ -4,16 +4,16 @@
 bool8 HasItem(struct DungeonEntity *pokemon, u8 itemIndex)
 {
     // Weird assignment to fix a regswap.
-    struct DungeonEntityData *entityData = entityData = pokemon->entityData;
-    if (!(entityData->heldItem.itemFlags & ITEM_FLAG_EXISTS))
+    struct DungeonEntityData *pokemonData = pokemonData = pokemon->entityData;
+    if (!(pokemonData->heldItem.itemFlags & ITEM_FLAG_EXISTS))
     {
         return FALSE;
     }
-    if (entityData->heldItem.itemFlags & ITEM_FLAG_STICKY)
+    if (pokemonData->heldItem.itemFlags & ITEM_FLAG_STICKY)
     {
         return FALSE;
     }
-    if (entityData->heldItem.itemIndex != itemIndex)
+    if (pokemonData->heldItem.itemIndex != itemIndex)
     {
         return FALSE;
     }
diff --git a/src/items.c b/src/items.c
index ff79822..a19b71b 100644
--- a/src/items.c
+++ b/src/items.c
@@ -1,6 +1,7 @@
 #include "global.h"
 #include "file_system.h"
 #include "item.h"
+#include "moves.h"
 #include "team_inventory.h"
 #include "random.h"
 #include "pokemon.h"
@@ -42,7 +43,6 @@ extern void InitPokemonMove(void*, u16);  // first arg is some struct
 extern void sub_80078A4(u32, u32, u32, u32, u32);
 extern u32 GetMoveType(void*);
 extern u8* GetUnformattedTypeString(s16);
-extern u32 GetMoveMaxPP(void*);
 extern void sub_80073E0(u32);
 extern void xxx_format_and_draw(u32, u32, u8 *, u32, u32);
 extern s32 sub_8091E94(s32 a1, s32 a2, s32 a3);
@@ -698,7 +698,7 @@ u32 sub_80913E0(struct ItemSlot* slot, u32 a2, struct subStruct_203B240 ** a3)
 
   xxx_format_and_draw(8, 24, GetItemDescription(slot->itemIndex), a2, 0);
   if (GetItemType(slot->itemIndex) == ITEM_TYPE_TM) {
-    u8* buffer8 = buffer88 + 0x50;  // field in struct
+    struct PokemonMove *buffer8 = (struct PokemonMove*) (buffer88 + 0x50);  // field in struct
     u16 move = GetItemMove(slot->itemIndex);
     u8 moves_data;
     u8* typestring;
diff --git a/src/moves.c b/src/moves.c
index e5998db..f2e334c 100644
--- a/src/moves.c
+++ b/src/moves.c
@@ -1,6 +1,7 @@
 #include "global.h"
+#include "moves.h"
+
 #include "file_system.h"
-#include "constants/move.h"
 #include "constants/move_id.h"
 
 struct MoveDataFile
@@ -36,7 +37,6 @@ extern u8 gUnknown_810992C[];
 
 extern void sub_8093F10(struct PokemonMove *, struct PokemonMove *);
 extern void sub_80928C0(u8 *, struct PokemonMove *, struct unkStruct_80928C0 *);
-extern u32 GetMoveMaxPP(struct PokemonMove*);
 bool8 DoesMoveCharge(u16 move);
 extern void ExpandPlaceholdersBuffer(u8 *, u8 *, ...);