// get_craft_result(input) int ModApiCraft::l_get_craft_result(lua_State *L) { NO_MAP_LOCK_REQUIRED; int input_i = 1; std::string method_s = getstringfield_default(L, input_i, "method", "normal"); enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method", es_CraftMethod, CRAFT_METHOD_NORMAL); int width = 1; lua_getfield(L, input_i, "width"); if(lua_isnumber(L, -1)) width = luaL_checkinteger(L, -1); lua_pop(L, 1); lua_getfield(L, input_i, "items"); std::vector<ItemStack> items = read_items(L, -1,getServer(L)); lua_pop(L, 1); // items IGameDef *gdef = getServer(L); ICraftDefManager *cdef = gdef->cdef(); CraftInput input(method, width, items); CraftOutput output; std::vector<ItemStack> output_replacements; bool got = cdef->getCraftResult(input, output, output_replacements, true, gdef); lua_newtable(L); // output table if (got) { ItemStack item; item.deSerialize(output.item, gdef->idef()); LuaItemStack::create(L, item); lua_setfield(L, -2, "item"); setintfield(L, -1, "time", output.time); push_items(L, output_replacements); lua_setfield(L, -2, "replacements"); } else { LuaItemStack::create(L, ItemStack()); lua_setfield(L, -2, "item"); setintfield(L, -1, "time", 0); lua_newtable(L); lua_setfield(L, -2, "replacements"); } lua_newtable(L); // decremented input table lua_pushstring(L, method_s.c_str()); lua_setfield(L, -2, "method"); lua_pushinteger(L, width); lua_setfield(L, -2, "width"); push_items(L, input.items); lua_setfield(L, -2, "items"); return 2; }
bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user, const InventoryList *old_craft_grid, const InventoryLocation &craft_inv) { SCRIPTAPI_PRECHECKHEADER int error_handler = PUSH_ERROR_HANDLER(L); lua_getglobal(L, "core"); lua_getfield(L, -1, "craft_predict"); LuaItemStack::create(L, item); objectrefGetOrCreate(L, user); //Push inventory list std::vector<ItemStack> items; for (u32 i = 0; i < old_craft_grid->getSize(); i++) { items.push_back(old_craft_grid->getItem(i)); } push_items(L, items); InvRef::create(L, craft_inv); PCALL_RES(lua_pcall(L, 4, 1, error_handler)); if (!lua_isnil(L, -1)) { try { item = read_item(L,-1, getServer()); } catch (LuaError &e) { throw LuaError(std::string(e.what()) + ". item=" + item.name); } } lua_pop(L, 2); // Pop item and error handler return true; }
bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user, const InventoryList *old_craft_grid, const InventoryLocation &craft_inv) { SCRIPTAPI_PRECHECKHEADER lua_pushcfunction(L, script_error_handler); int errorhandler = lua_gettop(L); lua_getglobal(L, "minetest"); lua_getfield(L, -1, "on_craft"); LuaItemStack::create(L, item); objectrefGetOrCreate(user); //Push inventory list std::vector<ItemStack> items; for(u32 i=0; i<old_craft_grid->getSize(); i++) items.push_back(old_craft_grid->getItem(i)); push_items(L, items); InvRef::create(L, craft_inv); if(lua_pcall(L, 4, 1, errorhandler)) scriptError(); if(!lua_isnil(L, -1)) { try { item = read_item(L,-1, getServer()); } catch (LuaError &e) { throw LuaError(std::string(e.what()) + ". item=" + item.name); } } lua_pop(L, 2); // Pop item and error handler return true; }
void push_inventory_list(lua_State *L, Inventory *inv, const char *name) { InventoryList *invlist = inv->getList(name); if(invlist == NULL){ lua_pushnil(L); return; } std::vector<ItemStack> items; for(u32 i=0; i<invlist->getSize(); i++) items.push_back(invlist->getItem(i)); push_items(L, items); }