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Terraria 1.4.0.5 Source Code

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MikeyIsBaeYT 2021-10-26 12:45:26 -04:00
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Utilities/NPCUtils.cs Normal file
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// Decompiled with JetBrains decompiler
// Type: Terraria.Utilities.NPCUtils
// Assembly: Terraria, Version=1.4.0.5, Culture=neutral, PublicKeyToken=null
// MVID: 67F9E73E-0A81-4937-A22C-5515CD405A83
// Assembly location: C:\Users\mikeyisbaeyt\Downloads\depotdownloader-2.4.5\depots\105601\6707058\Terraria.exe
using Microsoft.Xna.Framework;
using System;
namespace Terraria.Utilities
{
public static class NPCUtils
{
public static NPCUtils.TargetSearchResults SearchForTarget(
Vector2 position,
NPCUtils.TargetSearchFlag flags = NPCUtils.TargetSearchFlag.All,
NPCUtils.SearchFilter<Player> playerFilter = null,
NPCUtils.SearchFilter<NPC> npcFilter = null)
{
return NPCUtils.SearchForTarget((NPC) null, position, flags, playerFilter, npcFilter);
}
public static NPCUtils.TargetSearchResults SearchForTarget(
NPC searcher,
NPCUtils.TargetSearchFlag flags = NPCUtils.TargetSearchFlag.All,
NPCUtils.SearchFilter<Player> playerFilter = null,
NPCUtils.SearchFilter<NPC> npcFilter = null)
{
return NPCUtils.SearchForTarget(searcher, searcher.Center, flags, playerFilter, npcFilter);
}
public static NPCUtils.TargetSearchResults SearchForTarget(
NPC searcher,
Vector2 position,
NPCUtils.TargetSearchFlag flags = NPCUtils.TargetSearchFlag.All,
NPCUtils.SearchFilter<Player> playerFilter = null,
NPCUtils.SearchFilter<NPC> npcFilter = null)
{
float num1 = float.MaxValue;
int nearestNPCIndex = -1;
float adjustedTankDistance = float.MaxValue;
float nearestTankDistance = float.MaxValue;
int nearestTankIndex = -1;
NPCUtils.TargetType tankType = NPCUtils.TargetType.Player;
if (flags.HasFlag((Enum) NPCUtils.TargetSearchFlag.NPCs))
{
for (int index = 0; index < 200; ++index)
{
NPC entity = Main.npc[index];
if (entity.active && entity.whoAmI != searcher.whoAmI && (npcFilter == null || npcFilter(entity)))
{
float num2 = Vector2.DistanceSquared(position, entity.Center);
if ((double) num2 < (double) num1)
{
nearestNPCIndex = index;
num1 = num2;
}
}
}
}
if (flags.HasFlag((Enum) NPCUtils.TargetSearchFlag.Players))
{
for (int index = 0; index < (int) byte.MaxValue; ++index)
{
Player entity = Main.player[index];
if (entity.active && !entity.dead && !entity.ghost && (playerFilter == null || playerFilter(entity)))
{
float num3 = Vector2.Distance(position, entity.Center);
float num4 = num3 - (float) entity.aggro;
bool flag = searcher != null && entity.npcTypeNoAggro[searcher.type];
if (searcher != null & flag && searcher.direction == 0)
num4 += 1000f;
if ((double) num4 < (double) adjustedTankDistance)
{
nearestTankIndex = index;
adjustedTankDistance = num4;
nearestTankDistance = num3;
tankType = NPCUtils.TargetType.Player;
}
if (entity.tankPet >= 0 && !flag)
{
Vector2 center = Main.projectile[entity.tankPet].Center;
float num5 = Vector2.Distance(position, center);
float num6 = num5 - 200f;
if ((double) num6 < (double) adjustedTankDistance && (double) num6 < 200.0 && Collision.CanHit(position, 0, 0, center, 0, 0))
{
nearestTankIndex = index;
adjustedTankDistance = num6;
nearestTankDistance = num5;
tankType = NPCUtils.TargetType.TankPet;
}
}
}
}
}
return new NPCUtils.TargetSearchResults(searcher, nearestNPCIndex, (float) Math.Sqrt((double) num1), nearestTankIndex, nearestTankDistance, adjustedTankDistance, tankType);
}
public static void TargetClosestOldOnesInvasion(
NPC searcher,
bool faceTarget = true,
Vector2? checkPosition = null)
{
NPCUtils.TargetSearchResults searchResults = NPCUtils.SearchForTarget(searcher, playerFilter: NPCUtils.SearchFilters.OnlyPlayersInCertainDistance(searcher.Center, 200f), npcFilter: new NPCUtils.SearchFilter<NPC>(NPCUtils.SearchFilters.OnlyCrystal));
if (!searchResults.FoundTarget)
return;
searcher.target = searchResults.NearestTargetIndex;
searcher.targetRect = searchResults.NearestTargetHitbox;
if (!(searcher.ShouldFaceTarget(ref searchResults) & faceTarget))
return;
searcher.FaceTarget();
}
public static void TargetClosestNonBees(NPC searcher, bool faceTarget = true, Vector2? checkPosition = null)
{
NPCUtils.TargetSearchResults searchResults = NPCUtils.SearchForTarget(searcher, npcFilter: new NPCUtils.SearchFilter<NPC>(NPCUtils.SearchFilters.NonBeeNPCs));
if (!searchResults.FoundTarget)
return;
searcher.target = searchResults.NearestTargetIndex;
searcher.targetRect = searchResults.NearestTargetHitbox;
if (!(searcher.ShouldFaceTarget(ref searchResults) & faceTarget))
return;
searcher.FaceTarget();
}
public static void TargetClosestCommon(NPC searcher, bool faceTarget = true, Vector2? checkPosition = null) => searcher.TargetClosest(faceTarget);
public static void TargetClosestBetsy(NPC searcher, bool faceTarget = true, Vector2? checkPosition = null)
{
NPCUtils.TargetSearchResults searchResults = NPCUtils.SearchForTarget(searcher, npcFilter: new NPCUtils.SearchFilter<NPC>(NPCUtils.SearchFilters.OnlyCrystal));
if (!searchResults.FoundTarget)
return;
NPCUtils.TargetType targetType = searchResults.NearestTargetType;
if (searchResults.FoundTank && !searchResults.NearestTankOwner.dead)
targetType = NPCUtils.TargetType.Player;
searcher.target = searchResults.NearestTargetIndex;
searcher.targetRect = searchResults.NearestTargetHitbox;
if (!(searcher.ShouldFaceTarget(ref searchResults, new NPCUtils.TargetType?(targetType)) & faceTarget))
return;
searcher.FaceTarget();
}
public delegate bool SearchFilter<T>(T entity) where T : Entity;
public delegate void NPCTargetingMethod(NPC searcher, bool faceTarget, Vector2? checkPosition);
public static class SearchFilters
{
public static bool OnlyCrystal(NPC npc) => npc.type == 548 && !npc.dontTakeDamageFromHostiles;
public static NPCUtils.SearchFilter<Player> OnlyPlayersInCertainDistance(
Vector2 position,
float maxDistance)
{
return (NPCUtils.SearchFilter<Player>) (player => (double) player.Distance(position) <= (double) maxDistance);
}
public static bool NonBeeNPCs(NPC npc) => npc.type != 211 && npc.type != 210 && npc.type != 222 && npc.CanBeChasedBy();
}
public enum TargetType
{
None,
NPC,
Player,
TankPet,
}
public struct TargetSearchResults
{
private NPCUtils.TargetType _nearestTargetType;
private int _nearestNPCIndex;
private float _nearestNPCDistance;
private int _nearestTankIndex;
private float _nearestTankDistance;
private float _adjustedTankDistance;
private NPCUtils.TargetType _nearestTankType;
public int NearestTargetIndex
{
get
{
switch (this._nearestTargetType)
{
case NPCUtils.TargetType.NPC:
return this.NearestNPC.WhoAmIToTargettingIndex;
case NPCUtils.TargetType.Player:
case NPCUtils.TargetType.TankPet:
return this._nearestTankIndex;
default:
return -1;
}
}
}
public Rectangle NearestTargetHitbox
{
get
{
switch (this._nearestTargetType)
{
case NPCUtils.TargetType.NPC:
return this.NearestNPC.Hitbox;
case NPCUtils.TargetType.Player:
return this.NearestTankOwner.Hitbox;
case NPCUtils.TargetType.TankPet:
return Main.projectile[this.NearestTankOwner.tankPet].Hitbox;
default:
return Rectangle.Empty;
}
}
}
public NPCUtils.TargetType NearestTargetType => this._nearestTargetType;
public bool FoundTarget => (uint) this._nearestTargetType > 0U;
public NPC NearestNPC => this._nearestNPCIndex != -1 ? Main.npc[this._nearestNPCIndex] : (NPC) null;
public bool FoundNPC => this._nearestNPCIndex != -1;
public int NearestNPCIndex => this._nearestNPCIndex;
public float NearestNPCDistance => this._nearestNPCDistance;
public Player NearestTankOwner => this._nearestTankIndex != -1 ? Main.player[this._nearestTankIndex] : (Player) null;
public bool FoundTank => this._nearestTankIndex != -1;
public int NearestTankOwnerIndex => this._nearestTankIndex;
public float NearestTankDistance => this._nearestTankDistance;
public float AdjustedTankDistance => this._adjustedTankDistance;
public NPCUtils.TargetType NearestTankType => this._nearestTankType;
public TargetSearchResults(
NPC searcher,
int nearestNPCIndex,
float nearestNPCDistance,
int nearestTankIndex,
float nearestTankDistance,
float adjustedTankDistance,
NPCUtils.TargetType tankType)
{
this._nearestNPCIndex = nearestNPCIndex;
this._nearestNPCDistance = nearestNPCDistance;
this._nearestTankIndex = nearestTankIndex;
this._adjustedTankDistance = adjustedTankDistance;
this._nearestTankDistance = nearestTankDistance;
this._nearestTankType = tankType;
if (this._nearestNPCIndex != -1 && this._nearestTankIndex != -1)
{
if ((double) this._nearestNPCDistance < (double) this._adjustedTankDistance)
this._nearestTargetType = NPCUtils.TargetType.NPC;
else
this._nearestTargetType = tankType;
}
else if (this._nearestNPCIndex != -1)
this._nearestTargetType = NPCUtils.TargetType.NPC;
else if (this._nearestTankIndex != -1)
this._nearestTargetType = tankType;
else
this._nearestTargetType = NPCUtils.TargetType.None;
}
}
[Flags]
public enum TargetSearchFlag
{
None = 0,
NPCs = 1,
Players = 2,
All = Players | NPCs, // 0x00000003
}
}
}