SwitchCannon()

static void Terraria.WorldGen.SwitchCannon ( int i, int j )

inlinestatic

Definition at line 42122 of file WorldGen.cs.

    {
        int num;
        for (num = Main.tile[i, j].frameX / 18; num >= 4; num -= 4)
        {
        }
        int num2;
        for (num2 = Main.tile[i, j].frameY / 18; num2 >= 3; num2 -= 3)
        {
        }
        int num3 = 1;
        if (num < 2)
        {
            num3 = -1;
        }
        num = i - num;
        num2 = j - num2;
        if ((num3 == 1 && Main.tile[num, num2].frameY <= 52) || (num3 == -1 && Main.tile[num, num2].frameY >= 432))
        {
            return;
        }
        num3 *= -54;
        for (int k = num; k < num + 4; k++)
        {
            for (int l = num2; l < num2 + 3; l++)
            {
                if (Main.tile[k, l] == null)
                {
                    Main.tile[k, l] = new Tile();
                }
                if (Main.tile[k, l].active() && Main.tile[k, l].type == 209)
                {
                    Main.tile[k, l].frameY = (short)(Main.tile[k, l].frameY + num3);
                }
            }
        }
        NetMessage.SendTileSquare(-1, num, num2, 4, 3);
    }

References Terraria.NetMessage.SendTileSquare(), Terraria.DataStructures.Tile, and Terraria.Main.tile.