#pragma once

#include <cstdint>

namespace mods::itemstack {

// Items of one type in the stack held by item `id` (1 for an item without one).
unsigned StackCount(uint32_t id);

// Sets the stack size of item `id` (1 or less: no stack). Used when loading.
void SetStackCount(uint32_t id, unsigned count);

// cInventoryEntry::ReplaceItemId: the stack follows its item to the new id.
void OnItemIdReplaced(uint32_t oldId, uint32_t newId);

// An item of `type` in `inventory` whose stack has room for one more, or 0.
uint32_t StackWithRoom(const uint8_t* inventory, uint32_t type);

// Forgets all stacks (a save game is about to be loaded).
void ResetStacks();

} // namespace mods::itemstack