mining ghost block restrictions

src/main/java/carpet/mixins/ServerPlayerInteractionManager_ghostBlocksMixin.java

@@ -0,0 +1,31 @@
+package carpet.mixins;
+
+import carpet.settings.CarpetSettings;
+import net.minecraft.block.BlockState;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerInteractionManager;
+import net.minecraft.server.network.packet.PlayerActionC2SPacket;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.BlockView;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ServerPlayerInteractionManager.class)
+public class ServerPlayerInteractionManager_ghostBlocksMixin
+{
+    @Redirect(method = "method_14263", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/block/BlockState;calcBlockBreakingDelta(Lnet/minecraft/entity/player/PlayerEntity;Lnet/minecraft/world/BlockView;Lnet/minecraft/util/math/BlockPos;)F")
+
+    )
+    private float noCheatBlockBreakSpeed(BlockState blockState, PlayerEntity playerEntity_1, BlockView blockView_1, BlockPos blockPos_1,
+                                         // main args
+                                         BlockPos blockPos_1a, PlayerActionC2SPacket.Action playerActionC2SPacket$Action_1, Direction direction_1, int int_1)
+    {
+        if (CarpetSettings.miningGhostBlockFix && playerActionC2SPacket$Action_1 == PlayerActionC2SPacket.Action.STOP_DESTROY_BLOCK)
+            return 1.0f;
+        return blockState.calcBlockBreakingDelta(playerEntity_1, blockView_1, blockPos_1);
+    }
+}

src/main/java/carpet/settings/CarpetSettings.java

@@ -229,6 +229,9 @@ public class CarpetSettings
     @Rule(desc = "smooth client animations with low tps settings", extra = "works only in SP, and will slow down players", category = CREATIVE)
     public static boolean smoothClientAnimations;
 
+    @Rule(desc="Fixes mining ghost blocks by allowing ANY mining speed from clients", category = SURVIVAL)
+    public static boolean miningGhostBlockFix;
+
     private static class PushLimitLimits extends Validator<Integer> {
         @Override public Integer validate(ServerCommandSource source, ParsedRule<Integer> currentRule, Integer newValue, String string) {
             return (newValue>0 && newValue <= 1024) ? newValue : null;

src/main/resources/carpet.mixins.json

@@ -13,6 +13,8 @@
     "StructureBlockBlockEntity_fillUpdatesMixin",
     "Structure_fillUpdatesMixin",
 
+    "ServerPlayerInteractionManager_ghostBlocksMixin",
+
     "ServerMetadata_motdMixin",
 
     "MinecraftServer_coreMixin",