From 31c882c8cea66bbd2805cc5aab11abbce248782c Mon Sep 17 00:00:00 2001
From: Jesse Plamondon-Willard <Pathoschild@users.noreply.github.com>
Date: Thu, 13 Jun 2019 19:35:51 -0400
Subject: [PATCH] fix map reloads not updating door warps (#643)

---
 docs/release-notes.md                     |  1 +
 src/SMAPI/Metadata/CoreAssetPropagator.cs | 31 ++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/docs/release-notes.md b/docs/release-notes.md
index 2cb477fd..b7cd61c6 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -19,6 +19,7 @@ These changes have not been released yet.
   * Fixed lag in some cases due to incorrect asset caching when playing in non-English.
   * Fixed lag when a mod invalidates many NPC portraits/sprites at once.
   * Fixed map reloads resetting tilesheet seasons.
+  * Fixed map reloads not updating door warps.
   * Fixed outdoor tilesheets being seasonalised when added to an indoor location.
 
 * For modders:
diff --git a/src/SMAPI/Metadata/CoreAssetPropagator.cs b/src/SMAPI/Metadata/CoreAssetPropagator.cs
index bb269643..186cd4ee 100644
--- a/src/SMAPI/Metadata/CoreAssetPropagator.cs
+++ b/src/SMAPI/Metadata/CoreAssetPropagator.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using StardewModdingAPI.Framework.Reflection;
 using StardewValley;
@@ -14,6 +15,7 @@ using StardewValley.Objects;
 using StardewValley.Projectiles;
 using StardewValley.TerrainFeatures;
 using xTile;
+using xTile.ObjectModel;
 using xTile.Tiles;
 
 namespace StardewModdingAPI.Metadata
@@ -138,10 +140,37 @@ namespace StardewModdingAPI.Metadata
                 {
                     if (!string.IsNullOrWhiteSpace(location.mapPath.Value) && this.GetNormalisedPath(location.mapPath.Value) == key)
                     {
+                        // general updates
                         location.reloadMap();
                         location.updateSeasonalTileSheets();
                         location.updateWarps();
-                        this.Reflection.GetField<InteriorDoorDictionary>(location, nameof(location.interiorDoors)).SetValue(new InteriorDoorDictionary(location));
+
+                        // update interior doors
+                        location.interiorDoors.Clear();
+                        foreach (var entry in new InteriorDoorDictionary(location))
+                            location.interiorDoors.Add(entry);
+
+                        // update doors (derived from GameLocation.loadObjects)
+                        location.doors.Clear();
+                        for (int x = 0; x < location.map.Layers[0].LayerWidth; ++x)
+                        {
+                            for (int y = 0; y < location.map.Layers[0].LayerHeight; ++y)
+                            {
+                                if (location.map.GetLayer("Buildings").Tiles[x, y] != null)
+                                {
+                                    location.map.GetLayer("Buildings").Tiles[x, y].Properties.TryGetValue("Action", out PropertyValue action);
+                                    if (action != null && action.ToString().Contains("Warp"))
+                                    {
+                                        string[] strArray = action.ToString().Split(' ');
+                                        if (strArray[0] == "WarpCommunityCenter")
+                                            location.doors.Add(new Point(x, y), "CommunityCenter");
+                                        else if ((location.Name != "Mountain" || x != 8 || y != 20) && strArray.Length > 2)
+                                            location.doors.Add(new Point(x, y), strArray[3]);
+                                    }
+                                }
+                            }
+                        }
+
                         anyChanged = true;
                     }
                 }