Terraria 1.4.0.5 Source Code

GameContent/ObjectInteractions/NPCSmartInteractCandidateProvider.cs

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+// Decompiled with JetBrains decompiler
+// Type: Terraria.GameContent.ObjectInteractions.NPCSmartInteractCandidateProvider
+// 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;
+
+namespace Terraria.GameContent.ObjectInteractions
+{
+  public class NPCSmartInteractCandidateProvider : ISmartInteractCandidateProvider
+  {
+    private NPCSmartInteractCandidateProvider.ReusableCandidate _candidate = new NPCSmartInteractCandidateProvider.ReusableCandidate();
+
+    public void ClearSelfAndPrepareForCheck() => Main.SmartInteractNPC = -1;
+
+    public bool ProvideCandidate(
+      SmartInteractScanSettings settings,
+      out ISmartInteractCandidate candidate)
+    {
+      candidate = (ISmartInteractCandidate) null;
+      if (!settings.FullInteraction)
+        return false;
+      Rectangle rectangle = Utils.CenteredRectangle(settings.player.Center, new Vector2((float) Player.tileRangeX, (float) Player.tileRangeY) * 16f * 2f);
+      Vector2 mousevec = settings.mousevec;
+      mousevec.ToPoint();
+      bool flag = false;
+      int npcIndex = -1;
+      float npcDistanceFromCursor = -1f;
+      for (int index = 0; index < 200; ++index)
+      {
+        NPC npc = Main.npc[index];
+        if (npc.active && npc.townNPC && npc.Hitbox.Intersects(rectangle) && !flag)
+        {
+          float num = npc.Hitbox.Distance(mousevec);
+          if ((npcIndex == -1 ? 1 : ((double) Main.npc[npcIndex].Hitbox.Distance(mousevec) > (double) num ? 1 : 0)) != 0)
+          {
+            npcIndex = index;
+            npcDistanceFromCursor = num;
+          }
+          if ((double) num == 0.0)
+          {
+            flag = true;
+            npcIndex = index;
+            npcDistanceFromCursor = num;
+            break;
+          }
+        }
+      }
+      if (settings.DemandOnlyZeroDistanceTargets && !flag || npcIndex == -1)
+        return false;
+      this._candidate.Reuse(npcIndex, npcDistanceFromCursor);
+      candidate = (ISmartInteractCandidate) this._candidate;
+      return true;
+    }
+
+    private class ReusableCandidate : ISmartInteractCandidate
+    {
+      private int _npcIndexToTarget;
+
+      public float DistanceFromCursor { get; private set; }
+
+      public void WinCandidacy()
+      {
+        Main.SmartInteractNPC = this._npcIndexToTarget;
+        Main.SmartInteractShowingGenuine = true;
+      }
+
+      public void Reuse(int npcIndex, float npcDistanceFromCursor)
+      {
+        this._npcIndexToTarget = npcIndex;
+        this.DistanceFromCursor = npcDistanceFromCursor;
+      }
+    }
+  }
+}