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Add drag-and-drop support for inventory to bank slots

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Bank window slots now act as drop targets when holding an item from
inventory. Empty bank slots highlight green, and clicking drops the
held item via CMSG_SWAP_ITEM. Occupied bank slots accept swaps too.
Works for both main bank slots (39-66) and bank bag slots (67+).
This commit is contained in:
Kelsi 2026-02-25 13:54:47 -08:00
parent 2ab5cf5eb6
commit af7fb4242c
3 changed files with 58 additions and 10 deletions
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19
src/ui/inventory_screen.cpp
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@ -543,6 +543,25 @@ bool InventoryScreen::dropHeldItemToEquipSlot(game::Inventory& inv, game::EquipS
return !holdingItem;
}
void InventoryScreen::dropIntoBankSlot(game::GameHandler& /*gh*/, uint8_t dstBag, uint8_t dstSlot) {
if (!holdingItem || !gameHandler_) return;
uint8_t srcBag = 0xFF;
uint8_t srcSlot = 0;
if (heldSource == HeldSource::BACKPACK && heldBackpackIndex >= 0) {
srcSlot = static_cast<uint8_t>(23 + heldBackpackIndex);
} else if (heldSource == HeldSource::BAG) {
srcBag = static_cast<uint8_t>(19 + heldBagIndex);
srcSlot = static_cast<uint8_t>(heldBagSlotIndex);
} else if (heldSource == HeldSource::EQUIPMENT) {
srcSlot = static_cast<uint8_t>(heldEquipSlot);
} else {
return;
}
gameHandler_->swapContainerItems(srcBag, srcSlot, dstBag, dstSlot);
holdingItem = false;
inventoryDirty = true;
}
bool InventoryScreen::beginPickupFromEquipSlot(game::Inventory& inv, game::EquipSlot slot) {
if (holdingItem) return false;
const auto& eq = inv.getEquipSlot(slot);