SearchForTarget() [2/3]

static TargetSearchResults Terraria.Utilities.NPCUtils.SearchForTarget ( NPC searcher, Vector2 position, TargetSearchFlag flags = TargetSearchFlag::All, SearchFilter< Player > playerFilter = null, SearchFilter< NPC > npcFilter = null )

inlinestatic

Definition at line 196 of file NPCUtils.cs.

    {
        float num = float.MaxValue;
        int nearestNPCIndex = -1;
        float num2 = float.MaxValue;
        float nearestTankDistance = float.MaxValue;
        int nearestTankIndex = -1;
        TargetType tankType = TargetType.Player;
        if (flags.HasFlag(TargetSearchFlag.NPCs))
        {
            for (int i = 0; i < 200; i++)
            {
                NPC nPC = Main.npc[i];
                if (nPC.active && nPC.whoAmI != searcher.whoAmI && (npcFilter == null || npcFilter(nPC)))
                {
                    float num3 = Vector2.DistanceSquared(position, nPC.Center);
                    if (num3 < num)
                    {
                        nearestNPCIndex = i;
                        num = num3;
                    }
                }
            }
        }
        if (flags.HasFlag(TargetSearchFlag.Players))
        {
            for (int j = 0; j < 255; j++)
            {
                Player player = Main.player[j];
                if (!player.active || player.dead || player.ghost || (playerFilter != null && !playerFilter(player)))
                {
                    continue;
                }
                float num4 = Vector2.Distance(position, player.Center);
                float num5 = num4 - (float)player.aggro;
                bool flag = searcher != null && player.npcTypeNoAggro[searcher.type];
                if (searcher != null && flag && searcher.direction == 0)
                {
                    num5 += 1000f;
                }
                if (num5 < num2)
                {
                    nearestTankIndex = j;
                    num2 = num5;
                    nearestTankDistance = num4;
                    tankType = TargetType.Player;
                }
                if (player.tankPet >= 0 && !flag)
                {
                    Vector2 center = Main.projectile[player.tankPet].Center;
                    num4 = Vector2.Distance(position, center);
                    num5 = num4 - 200f;
                    if (num5 < num2 && num5 < 200f && Collision.CanHit(position, 0, 0, center, 0, 0))
                    {
                        nearestTankIndex = j;
                        num2 = num5;
                        nearestTankDistance = num4;
                        tankType = TargetType.TankPet;
                    }
                }
            }
        }
        return new TargetSearchResults(searcher, nearestNPCIndex, (float)Math.Sqrt(num), nearestTankIndex, nearestTankDistance, num2, tankType);
    }

References Terraria.Entity.active, Terraria.Player.aggro, Terraria.Collision.CanHit(), Terraria.Entity.Center, Terraria.Player.dead, Terraria.Entity.direction, Microsoft.Xna.Framework.Vector2.Distance(), Microsoft.Xna.Framework.Vector2.DistanceSquared(), Terraria.Player.ghost, Terraria.Main.npc, Terraria.Player.npcTypeNoAggro, Terraria.Main.player, Terraria.Main.projectile, System.Math.Sqrt(), Terraria.Player.tankPet, Terraria.NPC.type, and Terraria.Entity.whoAmI.