ghost blocks fix

src/main/java/carpet/mixins/ClientPlayerInteractionManager_ghostBlocksMixin.java

@@ -0,0 +1,48 @@
+package carpet.mixins;
+
+
+import carpet.settings.CarpetSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.network.ClientPlayerInteractionManager;
+import net.minecraft.server.network.packet.PlayerInteractBlockC2SPacket;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.IWorld;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ClientPlayerInteractionManager.class)
+public abstract class ClientPlayerInteractionManager_ghostBlocksMixin
+{
+
+    @Shadow @Final private MinecraftClient client;
+
+    @Redirect(method = "breakBlock", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/block/Block;onBroken(Lnet/minecraft/world/IWorld;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V")
+    )
+    private void requestServerStatusForBlock(Block block, IWorld iWorld_1, BlockPos blockPos_1, BlockState blockState_1) {
+        if ((CarpetSettings.miningGhostBlockFix || (
+                    !client.isInSingleplayer() &&
+                            !client.isIntegratedServerRunning() &&
+                            client.getNetworkHandler().getCommandDispatcher().getRoot().getChild("carpet") == null)) &&
+                blockState_1.getHardness(client.world, blockPos_1) > 0.0 &&
+                blockState_1.getCollisionShape(iWorld_1, blockPos_1) != VoxelShapes.empty()
+        )
+        {
+            client.getNetworkHandler().sendPacket(new PlayerInteractBlockC2SPacket(
+                    Hand.MAIN_HAND,
+                    new BlockHitResult(new Vec3d(blockPos_1), Direction.DOWN, blockPos_1, false)
+            ));
+        }
+    }
+}

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

@@ -3,21 +3,23 @@ package carpet.mixins;
 import carpet.settings.CarpetSettings;
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
 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.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Constant;
-import org.spongepowered.asm.mixin.injection.ModifyConstant;
 import org.spongepowered.asm.mixin.injection.Redirect;
 
 //needs tests, WIP
 @Mixin(ServerPlayerInteractionManager.class)
 public class ServerPlayerInteractionManager_ghostBlocksMixin
 {
+    @Shadow public ServerPlayerEntity player;
+
     @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")
@@ -27,12 +29,21 @@ public class ServerPlayerInteractionManager_ghostBlocksMixin
                                          // 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)
+        float progress = blockState.calcBlockBreakingDelta(playerEntity_1, blockView_1, blockPos_1);
+        if (CarpetSettings.miningGhostBlockFix &&
+                (playerActionC2SPacket$Action_1 == PlayerActionC2SPacket.Action.START_DESTROY_BLOCK) &&
+                !playerEntity_1.onGround &&
+                progress >= 0.2
+        )
+            return progress*5;
+        if (CarpetSettings.miningGhostBlockFix &&
+                (playerActionC2SPacket$Action_1 == PlayerActionC2SPacket.Action.STOP_DESTROY_BLOCK)
+        )
             return 1.0f;
-        return blockState.calcBlockBreakingDelta(playerEntity_1, blockView_1, blockPos_1);
+        return progress;
     }
 
-
+    /*
     @ModifyConstant(method = "method_14263",
             constant = @Constant(doubleValue = 36D))
     private double addDistance(double original) {
@@ -40,4 +51,10 @@ public class ServerPlayerInteractionManager_ghostBlocksMixin
             return 1024D;
         return original;
     }
+    @Inject(method = "method_14263", at = @At("HEAD"))
+    private void logAction(BlockPos blockPos_1, PlayerActionC2SPacket.Action playerActionC2SPacket$Action_1, Direction direction_1, int int_1, CallbackInfo ci)
+    {
+        CarpetSettings.LOG.error("Got action: "+playerActionC2SPacket$Action_1+"("+int_1+")");
+    }
+    */
 }

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

@@ -26,7 +26,7 @@ import static carpet.settings.RuleCategory.SURVIVAL;
 
 public class CarpetSettings
 {
-    public static final String carpetVersion = "1.0.1-v190726";
+    public static final String carpetVersion = "1.0.2-v190728";
     public static final Logger LOG = LogManager.getLogger();
     public static boolean skipGenerationChecks = false;
     public static boolean impendingFillSkipUpdates = false;
@@ -229,7 +229,7 @@ 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)
+    @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> {