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Fix item duplication if player dies during interact callback (alternative) (#11662)

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sfan5 2021-10-25 20:30:27 +02:00 • committed by GitHub
parent d4b89eb106
commit 660e63dbae
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7 changed files with 118 additions and 56 deletions
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14
src/script/cpp_api/s_item.h
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@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "cpp_api/s_base.h"
#include "irr_v3d.h"
#include "util/Optional.h"
struct PointedThing;
struct ItemStack;
@ -35,13 +36,20 @@ class ScriptApiItem
: virtual public ScriptApiBase
{
public:
/*
* Functions with Optional<ItemStack> are for callbacks where Lua may
* want to prevent the engine from modifying the inventory after it's done.
* This has a longer backstory where on_use may need to empty the player's
* inventory without the engine interfering (see issue #6546).
*/
bool item_OnDrop(ItemStack &item,
ServerActiveObject *dropper, v3f pos);
bool item_OnPlace(ItemStack &item,
bool item_OnPlace(Optional<ItemStack> &item,
ServerActiveObject *placer, const PointedThing &pointed);
bool item_OnUse(ItemStack &item,
bool item_OnUse(Optional<ItemStack> &item,
ServerActiveObject *user, const PointedThing &pointed);
bool item_OnSecondaryUse(ItemStack &item,
bool item_OnSecondaryUse(Optional<ItemStack> &item,
ServerActiveObject *user, const PointedThing &pointed);
bool item_OnCraft(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv);