From 0f9c83d79326784ab36d05b036e50b10febc0a68 Mon Sep 17 00:00:00 2001
From: Rich DiCroce <rich@dicroce.tech>
Date: Sun, 8 Mar 2026 10:30:30 -0400
Subject: [PATCH] fix: Objects disappearing because wrong hot map was put in
 frame

---
 .../github/rcd47/x2data/explorer/file/HistoryFileReader.java  | 2 +-
 .../com/github/rcd47/x2data/explorer/file/HistoryFrame.java   | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFileReader.java b/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFileReader.java
index a4b1f3f..4b042c3 100644
--- a/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFileReader.java
+++ b/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFileReader.java
@@ -187,7 +187,7 @@ public HistoryFile read(FileChannel in, DoubleConsumer progressPercentCallback,
 					
 					var hotMapUpdates = objectsChangedInFrame.get(i);
 					if (hotMapUpdates.isEmpty()) {
-						frame.setObjectsHot(stateObjectsInFrameHot);
+						frame.setObjectsHot(parsedFrames[i - 1].getObjectsHot());
 					} else {
 						for (var changedObject : hotMapUpdates) {
 							stateObjectsInFrameHot.put(changedObject.getObjectId(), changedObject);
diff --git a/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFrame.java b/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFrame.java
index bbfa069..89268b6 100644
--- a/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFrame.java
+++ b/x2-data-explorer/src/main/java/com/github/rcd47/x2data/explorer/file/HistoryFrame.java
@@ -36,6 +36,10 @@ public void setObjectsCold(Int2ReferenceOpenHashMap<GameStateObject> objectsCold
 		this.objectsCold = objectsCold;
 	}
 
+	public Int2ReferenceOpenHashMap<GameStateObject> getObjectsHot() {
+		return objectsHot;
+	}
+
 	public void setObjectsHot(Int2ReferenceOpenHashMap<GameStateObject> objectsHot) {
 		this.objectsHot = objectsHot;
 	}