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63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
#ifndef CC_INVENTORY_H
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#define CC_INVENTORY_H
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#include "Core.h"
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#include "BlockID.h"
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/* Manages inventory hotbar, and ordering of blocks in the inventory menu.
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Copyright 2014-2021 ClassiCube | Licensed under BSD-3
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*/
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struct IGameComponent;
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extern struct IGameComponent Inventory_Component;
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/* Number of blocks in each hotbar */
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#define INVENTORY_BLOCKS_PER_HOTBAR 9
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/* Number of hotbars that can be selected between */
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#define INVENTORY_HOTBARS 9
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#define HOTBAR_MAX_INDEX (INVENTORY_BLOCKS_PER_HOTBAR - 1)
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CC_VAR extern struct _InventoryData {
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/* Stores the currently bound blocks for all hotbars. */
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BlockID Table[INVENTORY_HOTBARS * INVENTORY_BLOCKS_PER_HOTBAR];
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/* Mapping of indices in inventory menu to block IDs. */
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BlockID Map[BLOCK_COUNT];
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/* Currently selected index within a hotbar. */
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int SelectedIndex;
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/* Currently selected hotbar. */
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int Offset;
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/* Whether the user is allowed to change selected/held block. */
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cc_bool CanChangeSelected;
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/* Number of blocks in each row in inventory menu. */
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cc_uint8 BlocksPerRow;
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} Inventory;
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/* Gets the block at the nth index in the current hotbar. */
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#define Inventory_Get(idx) (Inventory.Table[Inventory.Offset + (idx)])
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/* Sets the block at the nth index in the current hotbar. */
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#define Inventory_Set(idx, block) Inventory.Table[Inventory.Offset + (idx)] = block
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/* Gets the currently selected block. */
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#define Inventory_SelectedBlock Inventory_Get(Inventory.SelectedIndex)
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/* Checks if the user can change their selected/held block. */
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/* NOTE: Shows a message in chat if they are unable to. */
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cc_bool Inventory_CheckChangeSelected(void);
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/* Attempts to set the currently selected index in a hotbar. */
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void Inventory_SetSelectedIndex(int index);
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/* Attempts to set the currently active hotbar. */
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void Inventory_SetHotbarIndex(int index);
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void Inventory_SwitchHotbar(void);
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/* Attempts to set the block for the selected index in the current hotbar. */
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/* NOTE: If another slot is already this block, the selected index is instead changed. */
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void Inventory_SetSelectedBlock(BlockID block);
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/* Attempts to set the selected block in a user-friendly manner. */
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/* e.g. this method tries to replace empty slots before other blocks */
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void Inventory_PickBlock(BlockID block);
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/* Sets all slots to contain their default associated block. */
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/* NOTE: The order of default blocks may not be in order of ID. */
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void Inventory_ResetMapping(void);
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/* Inserts the given block at its default slot in the inventory. */
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/* NOTE: Replaces (doesn't move) the block that was at that slot before. */
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void Inventory_AddDefault(BlockID block);
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/* Removes any slots with the given block from the inventory. */
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void Inventory_Remove(BlockID block);
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#endif
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