Sync with pokered

1 files changed, 38 insertions, 0 deletions

diff --git a/home/inventory.asm b/home/inventory.asm
new file mode 100644
index 00000000..1100666f
--- /dev/null
+++ b/home/inventory.asm
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+; subtracts the amount the player paid from their money
+; OUTPUT: carry = 0(success) or 1(fail because there is not enough money)
+SubtractAmountPaidFromMoney::
+	farjp SubtractAmountPaidFromMoney_
+
+; adds the amount the player sold to their money
+AddAmountSoldToMoney::
+	ld de, wPlayerMoney + 2
+	ld hl, hMoney + 2 ; total price of items
+	ld c, 3 ; length of money in bytes
+	predef AddBCDPredef ; add total price to money
+	ld a, MONEY_BOX
+	ld [wTextBoxID], a
+	call DisplayTextBoxID ; redraw money text box
+	ld a, SFX_PURCHASE
+	call PlaySoundWaitForCurrent
+	jp WaitForSoundToFinish
+
+; function to remove an item (in varying quantities) from the player's bag or PC box
+; INPUT:
+; HL = address of inventory (either wNumBagItems or wNumBoxItems)
+; [wWhichPokemon] = index (within the inventory) of the item to remove
+; [wItemQuantity] = quantity to remove
+RemoveItemFromInventory::
+	homecall RemoveItemFromInventory_
+	ret
+
+; function to add an item (in varying quantities) to the player's bag or PC box
+; INPUT:
+; HL = address of inventory (either wNumBagItems or wNumBoxItems)
+; [wcf91] = item ID
+; [wItemQuantity] = item quantity
+; sets carry flag if successful, unsets carry flag if unsuccessful
+AddItemToInventory::
+	push bc
+	homecall_sf AddItemToInventory_
+	pop bc
+	ret