Only register changes in ReplayFileAppender if something changed - this applies to GuiKeyframeRepository, GuiObjectManager, GuiPlayerOverview, GuiAssetManager

Added equals method to ReplayImageAsset which is based on the BufferedImage's hash code (which is calculated only once)

src/main/java/eu/crushedpixel/replaymod/assets/AssetRepository.java

@@ -3,6 +3,7 @@ package eu.crushedpixel.replaymod.assets;
 import eu.crushedpixel.replaymod.ReplayMod;
 import eu.crushedpixel.replaymod.replay.ReplayHandler;
 import eu.crushedpixel.replaymod.utils.ReplayFile;
+import lombok.EqualsAndHashCode;
 import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.ArrayUtils;
@@ -13,14 +14,25 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.*;
 
+@EqualsAndHashCode
 public class AssetRepository {
 
-    private Map<UUID, ReplayAsset> replayAssets;
+    private final Map<UUID, ReplayAsset> replayAssets;
 
     public AssetRepository() {
         replayAssets = new HashMap<UUID, ReplayAsset>();
     }
 
+    public AssetRepository(AssetRepository toCopy) {
+        HashMap<UUID, ReplayAsset> newAssetList = new HashMap<UUID, ReplayAsset>();
+
+        for(Map.Entry<UUID, ReplayAsset> e : toCopy.replayAssets.entrySet()) {
+            newAssetList.put(e.getKey(), e.getValue().copy());
+        }
+
+        this.replayAssets = newAssetList;
+    }
+
     public ReplayAsset addAsset(String assetFileName, InputStream inputStream) throws IOException {
         return addAsset(assetFileName, inputStream, null);
     }

src/main/java/eu/crushedpixel/replaymod/assets/CustomImageObject.java

@@ -4,6 +4,7 @@ import eu.crushedpixel.replaymod.holders.GuiEntryListEntry;
 import eu.crushedpixel.replaymod.holders.Transformations;
 import eu.crushedpixel.replaymod.registry.ResourceHelper;
 import eu.crushedpixel.replaymod.replay.ReplayHandler;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import net.minecraft.client.Minecraft;
@@ -14,6 +15,7 @@ import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.util.UUID;
 
+@EqualsAndHashCode
 public class CustomImageObject implements GuiEntryListEntry {
 
     public CustomImageObject(String name, UUID assetUUID) throws IOException {

src/main/java/eu/crushedpixel/replaymod/assets/ReplayAsset.java

@@ -17,6 +17,8 @@ public interface ReplayAsset<T> extends GuiEntryListEntry {
 
     void setAssetName(String name);
 
+    ReplayAsset<T> copy();
+
     T getObject();
 
 }

src/main/java/eu/crushedpixel/replaymod/assets/ReplayImageAsset.java

@@ -3,6 +3,8 @@ package eu.crushedpixel.replaymod.assets;
 import eu.crushedpixel.replaymod.registry.ResourceHelper;
 import eu.crushedpixel.replaymod.replay.ReplayHandler;
 import eu.crushedpixel.replaymod.utils.BoundingUtils;
+import eu.crushedpixel.replaymod.utils.BufferedImageUtils;
+import lombok.EqualsAndHashCode;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Gui;
 import net.minecraft.client.renderer.texture.DynamicTexture;
@@ -16,14 +18,24 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.UUID;
 
+@EqualsAndHashCode(of={"name", "bufferedImageHashCode"})
 public class ReplayImageAsset implements ReplayAsset<BufferedImage> {
 
     private final Minecraft mc = Minecraft.getMinecraft();
 
     private BufferedImage object;
+    private int bufferedImageHashCode;
 
     private String name;
 
+    public ReplayImageAsset copy() {
+        ReplayImageAsset newReplay = new ReplayImageAsset(name);
+        newReplay.object = object;
+        newReplay.bufferedImageHashCode = bufferedImageHashCode;
+
+        return newReplay;
+    }
+
     public ReplayImageAsset(String name) {
         this.name = name;
     }
@@ -46,6 +58,7 @@ public class ReplayImageAsset implements ReplayAsset<BufferedImage> {
     @Override
     public void loadFromStream(InputStream inputStream) throws IOException {
         this.object = ImageIO.read(inputStream);
+        this.bufferedImageHashCode = BufferedImageUtils.hashCode(object);
         ResourceHelper.freeResource(previewResource);
 
         for(CustomImageObject object : ReplayHandler.getCustomImageObjects()) {