fix LiquidAirBreak false

Author: ManInMyVan

src/main/java/ac/grim/grimac/checks/impl/breaking/LiquidAirBreak.java

@@ -5,7 +5,6 @@
 import ac.grim.grimac.checks.type.BlockBreakCheck;
 import ac.grim.grimac.player.GrimPlayer;
 import ac.grim.grimac.utils.anticheat.update.BlockBreak;
-import ac.grim.grimac.utils.nmsutil.BlockBreakSpeed;
 import com.github.retrooper.packetevents.protocol.item.type.ItemTypes;
 import com.github.retrooper.packetevents.protocol.player.ClientVersion;
 import com.github.retrooper.packetevents.protocol.player.DiggingAction;
@@ -26,19 +25,19 @@ public void onBlockBreak(BlockBreak blockBreak) {
             return;
         }
 
-        final boolean invalid;
-
         final StateType block = blockBreak.block.getType();
 
-        if (blockBreak.action == DiggingAction.FINISHED_DIGGING) {
-            invalid = BlockBreakSpeed.getBlockDamage(player, blockBreak.position) >= 1 || block.getHardness() == -1.0f;
-        } else invalid = (block == StateTypes.LIGHT && !(player.getInventory().getHeldItem().is(ItemTypes.LIGHT) || player.getInventory().getOffHand().is(ItemTypes.LIGHT)))
+        // the block does not have a hitbox
+        boolean invalid =
+                (block == StateTypes.LIGHT && !(player.getInventory().getHeldItem().is(ItemTypes.LIGHT) || player.getInventory().getOffHand().is(ItemTypes.LIGHT)))
                 || block.isAir()
                 || block == StateTypes.WATER
                 || block == StateTypes.LAVA
                 || block == StateTypes.BUBBLE_COLUMN
                 || block == StateTypes.MOVING_PISTON
-                || (block == StateTypes.FIRE && noFireHitbox);
+                || (block == StateTypes.FIRE && noFireHitbox)
+                // or the client claims to have broken an unbreakable block
+                || block.getHardness() == -1.0f && blockBreak.action == DiggingAction.FINISHED_DIGGING;
 
         if (invalid && flagAndAlert("block=" + block.getName() + ", type=" + blockBreak.action) && shouldModifyPackets()) {
             blockBreak.cancel();