Added Keyframe Repository, which is stored in Replay File itself and allows Camera Path Presets to be saved and loaded

src/main/java/eu/crushedpixel/replaymod/registry/ReplayFileAppender.java

@@ -0,0 +1,61 @@
+package eu.crushedpixel.replaymod.registry;
+
+import eu.crushedpixel.replaymod.utils.ReplayFileIO;
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class ReplayFileAppender extends Thread {
+
+    private Queue<Pair<Pair<File, String>, File>> filesToMove = new ConcurrentLinkedQueue<Pair<Pair<File, String>, File>>();
+    private boolean shutdown = false;
+
+    public ReplayFileAppender() {
+        Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+            @Override
+            public void run() {
+                ReplayFileAppender.this.shutdown();
+            }
+        }));
+    }
+
+    public void registerModifiedFile(File toAdd, String name, File replayFile) {
+        for(Pair<Pair<File, String>, File> p : new ArrayList<Pair<Pair<File, String>, File>>(filesToMove)) {
+            if(p.getLeft().getRight().equals(name) && p.getRight().equals(replayFile)) {
+                filesToMove.remove(p);
+            }
+        }
+
+        filesToMove.add(Pair.of(Pair.of(toAdd, name), replayFile));
+    }
+
+    public void shutdown() {
+        shutdown = true;
+    }
+
+    @Override
+    public void run() {
+        while(!shutdown || !filesToMove.isEmpty()) {
+            Pair<Pair<File, String>, File> mv = filesToMove.poll();
+            if(mv != null) {
+                if(mv.getRight().canWrite()) {
+                    try {
+                        ReplayFileIO.addFileToZip(mv.getRight(), mv.getLeft().getLeft(), mv.getLeft().getRight());
+                    } catch(Exception e) {
+                        e.printStackTrace();
+                        filesToMove.add(mv);
+                    }
+                } else {
+                    filesToMove.add(mv);
+                }
+            }
+            try {
+                Thread.sleep(1000);
+            } catch(Exception e) {}
+        }
+    }
+
+}