3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "cpp_api/s_base.h"
24 #include "util/Optional.h"
28 class ServerActiveObject;
29 struct ItemDefinition;
33 struct InventoryLocation;
36 : virtual public ScriptApiBase
40 * Functions with Optional<ItemStack> are for callbacks where Lua may
41 * want to prevent the engine from modifying the inventory after it's done.
42 * This has a longer backstory where on_use may need to empty the player's
43 * inventory without the engine interfering (see issue #6546).
46 bool item_OnDrop(ItemStack &item,
47 ServerActiveObject *dropper, v3f pos);
48 bool item_OnPlace(Optional<ItemStack> &item,
49 ServerActiveObject *placer, const PointedThing &pointed);
50 bool item_OnUse(Optional<ItemStack> &item,
51 ServerActiveObject *user, const PointedThing &pointed);
52 bool item_OnSecondaryUse(Optional<ItemStack> &item,
53 ServerActiveObject *user, const PointedThing &pointed);
54 bool item_OnCraft(ItemStack &item, ServerActiveObject *user,
55 const InventoryList *old_craft_grid, const InventoryLocation &craft_inv);
56 bool item_CraftPredict(ItemStack &item, ServerActiveObject *user,
57 const InventoryList *old_craft_grid, const InventoryLocation &craft_inv);
60 friend class LuaItemStack;
61 friend class ModApiItemMod;
63 bool getItemCallback(const char *name, const char *callbackname, const v3s16 *p = nullptr);
65 * Pushes a `pointed_thing` tabe to the stack.
66 * \param hitpoint If true, the exact pointing location is also pushed
68 void pushPointedThing(const PointedThing &pointed, bool hitpoint = false);