fixes

src/main/java/dev/zprestige/prestige/math/BlockChangeTracker.java

@@ -0,0 +1,58 @@
+package dev.zprestige.prestige.math;
+
+import dev.zprestige.prestige.client.Prestige;
+import dev.zprestige.prestige.network.BlockChangeListener;
+import dev.zprestige.prestige.render.MinecraftAccess;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import net.minecraft.util.math.BlockPos;
+
+public final class BlockChangeTracker implements MinecraftAccess {
+    public static final Map CLEARED_BLOCKS = new HashMap();
+    public static final Map EXPLOSIONS = new HashMap();
+    public static final Map PLACED_BLOCKS = new HashMap();
+    private static boolean listenerRegistered;
+
+    private BlockChangeTracker() {
+    }
+
+    private static void ensureListenerRegistered() {
+        if (!listenerRegistered && Prestige.eventBus != null) {
+            listenerRegistered = true;
+            Prestige.eventBus.register(new BlockChangeListener());
+        }
+    }
+
+    public static void markExplosion(BlockPos pos) {
+        ensureListenerRegistered();
+        EXPLOSIONS.put(pos.toImmutable(), System.currentTimeMillis());
+    }
+
+    public static boolean isRecentlyExploded(BlockPos pos) {
+        ensureListenerRegistered();
+        long now = System.currentTimeMillis();
+        Long clearedAt = (Long)CLEARED_BLOCKS.get(pos);
+        if (clearedAt != null && now - clearedAt < 300L) {
+            return true;
+        } else {
+            for (Entry explosion : (Iterable<Entry>)(EXPLOSIONS.entrySet())) {
+                if (now - (Long)explosion.getValue() <= 100L && ((BlockPos)explosion.getKey()).getSquaredDistance(pos) <= 42.25) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public static boolean isRecentlyPlaced(BlockPos pos) {
+        ensureListenerRegistered();
+        Long placedAt = (Long)PLACED_BLOCKS.get(pos);
+        return placedAt != null && System.currentTimeMillis() - placedAt < 120L;
+    }
+
+    public static void markCleared(BlockPos pos, long time) {
+        CLEARED_BLOCKS.put(pos.toImmutable(), time);
+    }
+}