From d4b196dffe5bfd3e131b8aa7f393a2910a44a191 Mon Sep 17 00:00:00 2001
From: FlorianMichael <60033407+FlorianMichael@users.noreply.github.com>
Date: Mon, 6 Mar 2023 21:19:54 +0100
Subject: [PATCH] added Block Spam fix

---
 .../MixinConnectionData_NeighbourUpdater.java | 23 +++++++++++++++++++
 .../settings/groups/DebugSettings.java        |  1 +
 src/main/resources/viafabricplus.mixins.json  |  1 +
 3 files changed, 25 insertions(+)
 create mode 100644 src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/viaversion/protocol1_13to1_12_2/MixinConnectionData_NeighbourUpdater.java

diff --git a/src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/viaversion/protocol1_13to1_12_2/MixinConnectionData_NeighbourUpdater.java b/src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/viaversion/protocol1_13to1_12_2/MixinConnectionData_NeighbourUpdater.java
new file mode 100644
index 00000000..78ad80dd
--- /dev/null
+++ b/src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/viaversion/protocol1_13to1_12_2/MixinConnectionData_NeighbourUpdater.java
@@ -0,0 +1,23 @@
+package de.florianmichael.viafabricplus.injection.mixin.fixes.viaversion.protocol1_13to1_12_2;
+
+import com.viaversion.viaversion.api.minecraft.BlockChangeRecord1_8;
+import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.blockconnections.ConnectionData;
+import de.florianmichael.viafabricplus.settings.groups.DebugSettings;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
+
+import java.util.List;
+
+// Copyright RaphiMC/RK_01 - LICENSE file
+@Mixin(value = ConnectionData.NeighbourUpdater.class, remap = false)
+public class MixinConnectionData_NeighbourUpdater {
+
+    @Inject(method = "updateBlock", at = @At(value = "INVOKE", target = "Ljava/util/List;add(Ljava/lang/Object;)Z"), cancellable = true, locals = LocalCapture.CAPTURE_FAILHARD)
+    public void preventBlockSpam(int x, int y, int z, List<BlockChangeRecord1_8> records, CallbackInfo ci, int blockState, int newBlockState) {
+        if (!DebugSettings.getClassWrapper().preventBlockSpam.getValue()) return;
+        if (blockState == newBlockState) ci.cancel();
+    }
+}
diff --git a/src/main/java/de/florianmichael/viafabricplus/settings/groups/DebugSettings.java b/src/main/java/de/florianmichael/viafabricplus/settings/groups/DebugSettings.java
index 730964db..b3378d8a 100644
--- a/src/main/java/de/florianmichael/viafabricplus/settings/groups/DebugSettings.java
+++ b/src/main/java/de/florianmichael/viafabricplus/settings/groups/DebugSettings.java
@@ -18,6 +18,7 @@ public class DebugSettings extends SettingGroup {
     // 1.13 -> 1.12.2
     public final ProtocolSyncBooleanSetting executeInputsInSync = new ProtocolSyncBooleanSetting(this, "Execute inputs in sync", ProtocolRange.andOlder(ProtocolVersion.v1_12_2));
     public final ProtocolSyncBooleanSetting sneakInstant = new ProtocolSyncBooleanSetting(this, "Sneak instant", new ProtocolRange(ProtocolVersion.v1_12_2, ProtocolVersion.v1_8));
+    public final ProtocolSyncBooleanSetting preventBlockSpam = new ProtocolSyncBooleanSetting(this, "Prevent block spam", ProtocolRange.andOlder(ProtocolVersion.v1_12_2));
 
     // 1.12 -> 1.11.1-1.11.2
     public final ProtocolSyncBooleanSetting sendOpenInventoryPacket = new ProtocolSyncBooleanSetting(this, "Send open inventory packet", ProtocolRange.andOlder(ProtocolVersion.v1_11_1));
diff --git a/src/main/resources/viafabricplus.mixins.json b/src/main/resources/viafabricplus.mixins.json
index 2b835fcc..1d5b3943 100644
--- a/src/main/resources/viafabricplus.mixins.json
+++ b/src/main/resources/viafabricplus.mixins.json
@@ -105,6 +105,7 @@
     "fixes.viaversion.protocol1_11to1_10.MixinProtocol1_11To1_10",
     "fixes.viaversion.protocol1_12to1_11_1.MixinChatItemRewriter",
     "fixes.viaversion.protocol1_13to1_12_2.MixinAbstractFenceConnectionHandler",
+    "fixes.viaversion.protocol1_13to1_12_2.MixinConnectionData_NeighbourUpdater",
     "fixes.viaversion.protocol1_13to1_12_2.MixinGlassConnectionHandler",
     "fixes.viaversion.protocol1_13to1_12_2.MixinWorldPackets1_13",
     "fixes.viaversion.protocol1_14to1_13_2.MixinInventoryPackets_2",