AI_AttemptToFindTeleportSpot()

bool Terraria.NPC.AI_AttemptToFindTeleportSpot ( ref Vector2 chosenTile, int targetTileX, int targetTileY, int rangeFromTargetTile = 20, int telefragPreventionDistanceInTiles = 5, int solidTileCheckFluff = 1, bool solidTileCheckCentered = false, bool teleportInAir = false )

inline

Definition at line 12861 of file NPC.cs.

    {
        int num = (int)base.Center.X / 16;
        int num2 = (int)base.Center.Y / 16;
        int num3 = 0;
        bool flag = false;
        float num4 = 20f;
        if (Math.Abs(num * 16 - targetTileX * 16) + Math.Abs(num2 * 16 - targetTileY * 16) > 2000)
        {
            num3 = 100;
            flag = false;
        }
        while (!flag && num3 < 100)
        {
            num3++;
            int num5 = Main.rand.Next(targetTileX - rangeFromTargetTile, targetTileX + rangeFromTargetTile + 1);
            for (int i = Main.rand.Next(targetTileY - rangeFromTargetTile, targetTileY + rangeFromTargetTile + 1); i < targetTileY + rangeFromTargetTile; i++)
            {
                if ((i >= num2 - 1 && i <= num2 + 1 && num5 >= num - 1 && num5 <= num + 1) || (!teleportInAir && !Main.tile[num5, i].nactive()))
                {
                    continue;
                }
                bool flag2 = true;
                if ((type == 32 || (type >= 281 && type <= 286)) && !Main.wallDungeon[Main.tile[num5, i - 1].wall])
                {
                    if (!AnyNPCs(35))
                    {
                        flag2 = false;
                    }
                }
                else if (Main.tile[num5, i - 1].lava())
                {
                    flag2 = false;
                }
                if (!flag2 || (!teleportInAir && !Main.tileSolid[Main.tile[num5, i].type]))
                {
                    continue;
                }
                bool flag3 = false;
                if (!((!solidTileCheckCentered) ? (!Collision.SolidTiles(num5 - solidTileCheckFluff, num5 + solidTileCheckFluff, i - 3 - solidTileCheckFluff, i - 1)) : (!Collision.SolidTiles(num5 - solidTileCheckFluff, num5 + solidTileCheckFluff, i - solidTileCheckFluff, i + solidTileCheckFluff))))
                {
                    continue;
                }
                Rectangle rectangle = new Rectangle(num5 * 16, i * 16, 16, 16);
                rectangle.Inflate(telefragPreventionDistanceInTiles * 16, telefragPreventionDistanceInTiles * 16);
                for (int j = 0; j < Main.player.Length; j++)
                {
                    Player player = Main.player[j];
                    if (player != null && player.active && !player.DeadOrGhost)
                    {
                        Rectangle value = player.Hitbox;
                        Rectangle value2 = value.Modified((int)(player.velocity.X * num4), (int)(player.velocity.Y * num4), 0, 0);
                        Rectangle.Union(ref value2, ref value, out value2);
                        if (value2.Intersects(rectangle))
                        {
                            flag2 = false;
                            flag = false;
                            break;
                        }
                    }
                }
                if (flag2)
                {
                    chosenTile = new Vector2(num5, i);
                    flag = true;
                }
                break;
            }
        }
        return flag;
    }

References System.Math.Abs(), Terraria.Entity.active, Terraria.NPC.AnyNPCs(), Terraria.Player.DeadOrGhost, Terraria.Entity.Hitbox, Terraria.Main.player, Terraria.Main.rand, Terraria.Collision.SolidTiles(), Terraria.Main.tile, Terraria.Main.tileSolid, Terraria.NPC.type, Microsoft.Xna.Framework.Rectangle.Union(), Terraria.NPC.value, Microsoft.Xna.Framework.Graphics.Vector2, Terraria.Entity.velocity, Terraria.Main.wallDungeon, Microsoft.Xna.Framework.Vector2.X, and Microsoft.Xna.Framework.Vector2.Y.

Referenced by Terraria.NPC.AI(), and Terraria.NPC.AI_003_Fighters().