C++ InventoryLocation::setDetached方法代码示例

// get_inventory(location)
int ModApiInventory::l_get_inventory(lua_State *L)
{
	InventoryLocation loc;

	std::string type = checkstringfield(L, 1, "type");

	if(type == "node"){
		MAP_LOCK_REQUIRED;
		lua_getfield(L, 1, "pos");
		v3s16 pos = check_v3s16(L, -1);
		loc.setNodeMeta(pos);

		if(getServer(L)->getInventory(loc) != NULL)
			InvRef::create(L, loc);
		else
			lua_pushnil(L);
		return 1;
	} else {
		NO_MAP_LOCK_REQUIRED;
		if(type == "player"){
			std::string name = checkstringfield(L, 1, "name");
			loc.setPlayer(name);
		} else if(type == "detached"){
			std::string name = checkstringfield(L, 1, "name");
			loc.setDetached(name);
		}

		if(getServer(L)->getInventory(loc) != NULL)
			InvRef::create(L, loc);
		else
			lua_pushnil(L);
		return 1;
		// END NO_MAP_LOCK_REQUIRED;
	}
}

// Return number of accepted items to be taken
int ScriptApiDetached::detached_inventory_AllowTake(
		const std::string &name,
		const std::string &listname, int index, ItemStack &stack,
		ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Push callback function on stack
	if (!getDetachedInventoryCallback(name, "allow_take"))
		return stack.count; // All will be accepted

	// Call function(inv, listname, index, stack, player)
	InventoryLocation loc;
	loc.setDetached(name);
	InvRef::create(L, loc);              // inv
	lua_pushstring(L, listname.c_str()); // listname
	lua_pushinteger(L, index + 1);       // index
	LuaItemStack::create(L, stack);      // stack
	objectrefGetOrCreate(L, player);     // player
	PCALL_RES(lua_pcall(L, 5, 1, error_handler));
	if (!lua_isnumber(L, -1))
		throw LuaError("allow_take should return a number. name=" + name);
	int ret = luaL_checkinteger(L, -1);
	lua_pop(L, 2); // Pop integer and error handler
	return ret;
}

// Return number of accepted items to be moved
int ScriptApiDetached::detached_inventory_AllowMove(
		const std::string &name,
		const std::string &from_list, int from_index,
		const std::string &to_list, int to_index,
		int count, ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Push callback function on stack
	if (!getDetachedInventoryCallback(name, "allow_move"))
		return count;

	// function(inv, from_list, from_index, to_list, to_index, count, player)
	// inv
	InventoryLocation loc;
	loc.setDetached(name);
	InvRef::create(L, loc);
	lua_pushstring(L, from_list.c_str()); // from_list
	lua_pushinteger(L, from_index + 1);   // from_index
	lua_pushstring(L, to_list.c_str());   // to_list
	lua_pushinteger(L, to_index + 1);     // to_index
	lua_pushinteger(L, count);            // count
	objectrefGetOrCreate(L, player);      // player
	PCALL_RES(lua_pcall(L, 7, 1, error_handler));
	if(!lua_isnumber(L, -1))
		throw LuaError("allow_move should return a number. name=" + name);
	int ret = luaL_checkinteger(L, -1);
	lua_pop(L, 2); // Pop integer and error handler
	return ret;
}

// Report taken items
void ScriptApiDetached::detached_inventory_OnTake(
		const std::string &name,
		const std::string &listname, int index, ItemStack &stack,
		ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Push callback function on stack
	if (!getDetachedInventoryCallback(name, "on_take"))
		return;

	// Call function(inv, listname, index, stack, player)
	// inv
	InventoryLocation loc;
	loc.setDetached(name);
	InvRef::create(L, loc);
	lua_pushstring(L, listname.c_str()); // listname
	lua_pushinteger(L, index + 1);       // index
	LuaItemStack::create(L, stack);      // stack
	objectrefGetOrCreate(L, player);     // player
	PCALL_RES(lua_pcall(L, 5, 0, error_handler));
	lua_pop(L, 1);  // Pop error handler
}

// Report moved items
void ScriptApiDetached::detached_inventory_OnMove(
		const std::string &name,
		const std::string &from_list, int from_index,
		const std::string &to_list, int to_index,
		int count, ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Push callback function on stack
	if (!getDetachedInventoryCallback(name, "on_move"))
		return;

	// function(inv, from_list, from_index, to_list, to_index, count, player)
	// inv
	InventoryLocation loc;
	loc.setDetached(name);
	InvRef::create(L, loc);
	lua_pushstring(L, from_list.c_str()); // from_list
	lua_pushinteger(L, from_index + 1);   // from_index
	lua_pushstring(L, to_list.c_str());   // to_list
	lua_pushinteger(L, to_index + 1);     // to_index
	lua_pushinteger(L, count);            // count
	objectrefGetOrCreate(L, player);      // player
	PCALL_RES(lua_pcall(L, 7, 0, error_handler));
	lua_pop(L, 1);  // Pop error handler
}

// create_detached_inventory_raw(name)
int ModApiInventory::l_create_detached_inventory_raw(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	const char *name = luaL_checkstring(L, 1);
	if(getServer(L)->createDetachedInventory(name) != NULL){
		InventoryLocation loc;
		loc.setDetached(name);
		InvRef::create(L, loc);
	}else{
		lua_pushnil(L);
	}
	return 1;
}