/// <summary>
/// Adds the specified amount of items to the character's inventory.
/// </summary>
/// <remarks>
/// Parameters:
/// - int itemId
/// - int amount
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int additem(IntPtr L)
{
var conn = this.GetConnectionFromState(L);
var character = conn.SelectedCharacter;
var itemId = Melua.luaL_checkinteger(L, 1);
var amount = Melua.luaL_checkinteger(L, 2);
Melua.lua_pop(L, 2);
var itemData = ChannelServer.Instance.Data.ItemDb.Find(itemId);
if (itemData == null)
{
return(Melua.melua_error(L, "Unknown item id."));
}
try
{
character.Inventory.Add(itemId, amount, InventoryAddType.PickUp);
}
catch (Exception ex)
{
Log.Exception(ex);
return(Melua.melua_error(L, "Failed to add item to inventory."));
}
return(0);
}
/// <summary>
/// Sends dialog numberrange message, showing a message and a small text field,
/// for the user to put in a number.
/// </summary>
/// <remarks>
/// NUMBERRANGE uses CZ_DIALOG_SELECT for its response,
/// which means the number range is that of a byte, 0~255.
///
/// Parameters:
/// - string message
/// - int min (optional, defaults to 0)
/// - int max (optional, defaults to 255)
///
/// Result:
/// The number put in by the user.
/// Returns 0 on error.
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int numinput(IntPtr L)
{
// Check arguments and return 0 on error
var argc = Melua.lua_gettop(L);
if (argc == 0)
{
Log.Warning("numinput: No arguments.");
Melua.lua_pushinteger(L, 0);
return(1);
}
var conn = this.GetConnectionFromState(L);
int min = 0, max = 255;
// Get arguments
var msg = Melua.luaL_checkstring(L, 1);
if (argc >= 3)
{
min = Melua.luaL_checkinteger(L, 2);
max = Melua.luaL_checkinteger(L, 3);
}
Melua.lua_pop(L, argc);
this.HandleCustomCode(conn, ref msg);
this.AttachNpcName(conn, ref msg);
Send.ZC_DIALOG_NUMBERRANGE(conn, msg, min, max);
return(Melua.lua_yield(L, 1));
}
/// <summary>
/// Removes the specified amount of items with the given id from
/// character's inventory.
/// </summary>
/// <remarks>
/// Parameters:
/// - int itemId
/// - int amount
///
/// Result:
/// - int removedCount
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int removeitem(IntPtr L)
{
var conn = this.GetConnectionFromState(L);
var character = conn.SelectedCharacter;
var itemId = Melua.luaL_checkinteger(L, 1);
var amount = Melua.luaL_checkinteger(L, 2);
Melua.lua_pop(L, 2);
var itemData = ChannelServer.Instance.Data.ItemDb.Find(itemId);
if (itemData == null)
{
return(Melua.melua_error(L, "Unknown item id."));
}
amount = Math.Max(0, amount);
var removed = character.Inventory.Remove(itemId, amount, InventoryItemRemoveMsg.Given);
Melua.lua_pushinteger(L, removed);
return(1);
}
/// <summary>
/// Spawns monster.
/// </summary>
/// <remarks>
/// Parameters:
/// - int monsterId
/// - string mapName
/// - float x
/// - float y
/// - float z
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int spawn(IntPtr L)
{
var monsterId = Melua.luaL_checkinteger(L, 1);
var mapName = Melua.luaL_checkstring(L, 2);
var x = (float)Melua.luaL_checknumber(L, 3);
var y = (float)Melua.luaL_checknumber(L, 4);
var z = (float)Melua.luaL_checknumber(L, 5);
Melua.lua_pop(L, 5);
var map = ChannelServer.Instance.World.GetMap(mapName);
if (map == null)
{
return(Melua.melua_error(L, "Map '{0}' not found.", mapName));
}
var monster = new Monster(monsterId, NpcType.Monster);
monster.Position = new Position(x, y, z);
map.AddMonster(monster);
return(0);
}
/// <summary>
/// Changes the player's hairstyle.
/// </summary>
/// <remarks>
/// Parameters:
/// - int hairId
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int changehair(IntPtr L)
{
var conn = this.GetConnectionFromState(L);
var character = conn.SelectedCharacter;
var hairId = Melua.luaL_checkinteger(L, 1);
Melua.lua_pop(L, 1);
character.Hair = (byte)hairId;
Send.ZC_UPDATED_PCAPPEARANCE(character);
return(0);
}
/// <summary>
/// Returns amount of items with the given id in character's inventory.
/// </summary>
/// <remarks>
/// Parameters:
/// - int itemId
///
/// Result:
/// - int amount
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int countitem(IntPtr L)
{
var conn = this.GetConnectionFromState(L);
var character = conn.SelectedCharacter;
var itemId = Melua.luaL_checkinteger(L, 1);
Melua.lua_pop(L, 1);
var result = character.Inventory.CountItem(itemId);
Melua.lua_pushinteger(L, result);
return(1);
}
public void createtable()
{
var L = Melua.luaL_newstate();
Melua.melua_openlibs(L);
var rnd = new Random(Environment.TickCount);
var foo = 0;
var bar = "";
var xyz = "";
var checkFoo = rnd.Next();
var checkBar = rnd.Next().ToString("X8").Substring(1, 6);
var checkXyz = rnd.Next().ToString("X8").Substring(2, 5);
Melua.melua_register(L, "getdata", NL =>
{
Melua.melua_createtable(NL);
Melua.melua_createfield(NL, "foo", checkFoo);
Melua.melua_createfield(NL, "bar", checkBar);
Melua.melua_startsubtable(NL, "foobar");
Melua.melua_createfield(NL, "xyz", checkXyz);
Melua.melua_endsubtable(NL);
return(1);
});
Melua.melua_register(L, "checkdata", NL =>
{
foo = Melua.luaL_checkinteger(NL, 1);
bar = Melua.luaL_checkstring(NL, 2);
xyz = Melua.luaL_checkstring(NL, 3);
Melua.lua_settop(L, 0);
return(0);
});
var result = Melua.luaL_dostring(L, @"
local data = getdata()
checkdata(data.foo, data.bar, data.foobar.xyz)
");
Assert.Equal(checkFoo, foo);
Assert.Equal(checkBar, bar);
Assert.Equal(checkXyz, xyz);
}
/// <summary>
/// Adds NPC to world.
/// </summary>
/// <remarks>
/// The parameter `dialogFunctionName` can be the name of a Lua
/// function name, the name of a client-side dialog, or a
/// localization key. A client-side dialog controls the NPC name
/// and appearance, while a localization key will simply send the
/// key in one message. A Lua function allows for completely
/// custom dialog.
///
/// Parameters:
/// - int monsterId
/// - string name / dictId
/// - string mapName
/// - number x
/// - number y
/// - number z
/// - int direction
/// - string dialogFunctionName
/// </remarks>
/// <param name="L"></param>
/// <returns></returns>
private int addnpc(IntPtr L)
{
var monsterId = Melua.luaL_checkinteger(L, 1);
var name = Melua.luaL_checkstring(L, 2);
var mapName = Melua.luaL_checkstring(L, 3);
var x = (float)Melua.luaL_checknumber(L, 4);
var y = (float)Melua.luaL_checknumber(L, 5);
var z = (float)Melua.luaL_checknumber(L, 6);
var direction = Melua.luaL_checkinteger(L, 7);
var dialog = Melua.luaL_checkstring(L, 8);
Melua.lua_pop(L, 8);
var map = ChannelServer.Instance.World.GetMap(mapName);
if (map == null)
{
return(Melua.melua_error(L, "Map '{0}' not found.", mapName));
}
// Wrap name in localization code if applicable
if (this.IsLocalizationKey(name))
{
name = this.WrapLocalizationKey(name);
}
var monster = new Monster(monsterId, NpcType.NPC);
monster.Name = name;
monster.DialogName = dialog;
monster.Position = new Position(x, y, z);
monster.Direction = new Direction(direction);
map.AddMonster(monster);
return(0);
}
public void userdata()
{
var L = Melua.luaL_newstate();
Melua.melua_opensafelibs(L);
var n1 = 0;
// Ctor
Melua.luaL_register(L, "Test", new[]
{
new MeluaLib.Melua.LuaLib("new", NL =>
{
var test = new UserDataTest()
{
N1 = 1234
};
var size = Marshal.SizeOf(test);
var ptr = Melua.lua_newuserdata(L, size);
Melua.luaL_getmetatable(L, "Melua.Test");
Melua.lua_setmetatable(L, -2);
Marshal.StructureToPtr(test, ptr, true);
return(1);
})
});
// Meta table for test userdata type
Melua.luaL_newmetatable(L, "Melua.Test");
Melua.lua_pushstring(L, "__index");
Melua.lua_pushvalue(L, -2);
Melua.lua_settable(L, -3);
Melua.luaL_register(L, null, new[]
{
new MeluaLib.Melua.LuaLib("setN1", _ =>
{
var ptr = Melua.luaL_checkudata(L, 1, "Melua.Test");
var val = Melua.luaL_checkinteger(L, 2);
// Either marshal back and forth or use unsafe
var test = (UserDataTest)Marshal.PtrToStructure(ptr, typeof(UserDataTest));
test.N1 = val;
Marshal.StructureToPtr(test, ptr, true);
//unsafe
//{
// var test = (UserDataTest*)ptr;
// test->N1 = val;
//}
return(0);
}),
new MeluaLib.Melua.LuaLib("getN1", _ =>
{
var ptr = Melua.luaL_checkudata(L, 1, "Melua.Test");
var test = (UserDataTest)Marshal.PtrToStructure(ptr, typeof(UserDataTest));
Melua.lua_pushinteger(L, test.N1);
return(1);
})
});
// Test method
Melua.melua_register(L, "testgetn1", _ =>
{
n1 = Melua.lua_tointeger(L, -1);
return(0);
});
var result = Melua.luaL_dostring(L, @"
local t = Test.new()
t:setN1(5678)
testgetn1(t:getN1())
");
if (result != 0)
{
throw new Exception(Melua.lua_tostring(L, -1));
}
Assert.Equal(n1, 5678);
}