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/*
Minetest-c55
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LUA_ITEM_H_
#define LUA_ITEM_H_
extern "C" {
#include <lua.h>
#include <lauxlib.h>
}
#include <vector>
#include "itemdef.h"
#include "content_sao.h"
#include "util/pointedthing.h"
#include "inventory.h"
#include "inventory.h"
ItemStack read_item(lua_State *L, int index);
std::vector<ItemStack> read_items(lua_State *L, int index);
void push_items(lua_State *L, const std::vector<ItemStack> &items);
class LuaItemStack
{
private:
ItemStack m_stack;
static const char className[];
static const luaL_reg methods[];
// Exported functions
// garbage collector
static int gc_object(lua_State *L);
// is_empty(self) -> true/false
static int l_is_empty(lua_State *L);
// get_name(self) -> string
static int l_get_name(lua_State *L);
// get_count(self) -> number
static int l_get_count(lua_State *L);
// get_wear(self) -> number
static int l_get_wear(lua_State *L);
// get_metadata(self) -> string
static int l_get_metadata(lua_State *L);
// clear(self) -> true
static int l_clear(lua_State *L);
// replace(self, itemstack or itemstring or table or nil) -> true
static int l_replace(lua_State *L);
// to_string(self) -> string
static int l_to_string(lua_State *L);
// to_table(self) -> table or nil
static int l_to_table(lua_State *L);
// get_stack_max(self) -> number
static int l_get_stack_max(lua_State *L);
// get_free_space(self) -> number
static int l_get_free_space(lua_State *L);
// is_known(self) -> true/false
// Checks if the item is defined.
static int l_is_known(lua_State *L);
// get_definition(self) -> table
// Returns the item definition table from minetest.registered_items,
// or a fallback one (name="unknown")
static int l_get_definition(lua_State *L);
// get_tool_capabilities(self) -> table
// Returns the effective tool digging properties.
// Returns those of the hand ("") if this item has none associated.
static int l_get_tool_capabilities(lua_State *L);
// add_wear(self, amount) -> true/false
// The range for "amount" is [0,65535]. Wear is only added if the item
// is a tool. Adding wear might destroy the item.
// Returns true if the item is (or was) a tool.
static int l_add_wear(lua_State *L);
// add_item(self, itemstack or itemstring or table or nil) -> itemstack
// Returns leftover item stack
static int l_add_item(lua_State *L);
// item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
// First return value is true iff the new item fits fully into the stack
// Second return value is the would-be-left-over item stack
static int l_item_fits(lua_State *L);
// take_item(self, takecount=1) -> itemstack
static int l_take_item(lua_State *L);
// peek_item(self, peekcount=1) -> itemstack
static int l_peek_item(lua_State *L);
public:
LuaItemStack(const ItemStack &item);
~LuaItemStack();
const ItemStack& getItem() const;
ItemStack& getItem();
// LuaItemStack(itemstack or itemstring or table or nil)
// Creates an LuaItemStack and leaves it on top of stack
static int create_object(lua_State *L);
// Not callable from Lua
static int create(lua_State *L, const ItemStack &item);
static LuaItemStack* checkobject(lua_State *L, int narg);
static void Register(lua_State *L);
};
/*****************************************************************************/
/* Mod API */
/*****************************************************************************/
int l_register_item_raw(lua_State *L);
int l_register_alias_raw(lua_State *L);
/*****************************************************************************/
/* scriptapi internal */
/*****************************************************************************/
bool get_item_callback(lua_State *L,
const char *name, const char *callbackname);
ItemDefinition read_item_definition(lua_State *L, int index,
ItemDefinition default_def = ItemDefinition());
extern struct EnumString es_ItemType[];
/*****************************************************************************/
/* Minetest interface */
/*****************************************************************************/
bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
ServerActiveObject *dropper, v3f pos);
bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
ServerActiveObject *placer, const PointedThing &pointed);
bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
ServerActiveObject *user, const PointedThing &pointed);
#endif /* LUA_ITEM_H_ */
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