Fix MDT void protection (#367)

* Update buildscript.

* Implement custom MDT logic for dumping fluid to ME.

* Code cleanup.

build.gradle

@@ -1,4 +1,4 @@
-//version: 1697697256
+//version: 1699290261
 /*
  DO NOT CHANGE THIS FILE!
  Also, you may replace this file at any time if there is an update available.
@@ -646,7 +646,7 @@ repositories {
 
 def mixinProviderGroup = "io.github.legacymoddingmc"
 def mixinProviderModule = "unimixins"
-def mixinProviderVersion = "0.1.7.1"
+def mixinProviderVersion = "0.1.13"
 def mixinProviderSpecNoClassifer = "${mixinProviderGroup}:${mixinProviderModule}:${mixinProviderVersion}"
 def mixinProviderSpec = "${mixinProviderSpecNoClassifer}:dev"
 ext.mixinProviderSpec = mixinProviderSpec
@@ -1187,9 +1187,8 @@ publishing {
             version = System.getenv("RELEASE_VERSION") ?: identifiedVersion
         }
     }
-
     repositories {
-        if (usesMavenPublishing.toBoolean()) {
+        if (usesMavenPublishing.toBoolean() && System.getenv("MAVEN_USER") != null) {
             maven {
                 url = mavenPublishUrl
                 allowInsecureProtocol = mavenPublishUrl.startsWith("http://") // Mostly for the GTNH maven

src/main/java/com/github/bartimaeusnek/bartworks/common/tileentities/multis/mega/GT_TileEntity_MegaDistillTower.java

@@ -56,6 +56,7 @@
 import gregtech.api.util.GT_Multiblock_Tooltip_Builder;
 import gregtech.api.util.GT_Recipe;
 import gregtech.api.util.GT_Utility;
+import gregtech.common.tileentities.machines.GT_MetaTileEntity_Hatch_Output_ME;
 
 public class GT_TileEntity_MegaDistillTower extends GT_TileEntity_MegaMultiBlockBase<GT_TileEntity_MegaDistillTower>
         implements ISurvivalConstructable {
@@ -376,6 +377,30 @@ protected ProcessingLogic createProcessingLogic() {
         return new ProcessingLogic().setMaxParallel(ConfigHandler.megaMachinesMax);
     }
 
+    @Override
+    public boolean canDumpFluidToME() {
+
+        // All fluids can be dumped to ME only if each layer contains a ME Output Hatch.
+        for (List<GT_MetaTileEntity_Hatch_Output> tLayerOutputHatches : this.mOutputHatchesByLayer) {
+
+            boolean foundMEHatch = false;
+
+            for (IFluidStore tHatch : tLayerOutputHatches) {
+                if (tHatch instanceof GT_MetaTileEntity_Hatch_Output_ME) {
+                    foundMEHatch = true;
+                    break;
+                }
+            }
+
+            // Exit if we didn't find a valid hatch on this layer.
+            if (!foundMEHatch) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     @Override
     protected void addFluidOutputs(FluidStack[] mOutputFluids2) {
         for (int i = 0; i < mOutputFluids2.length && i < this.mOutputHatchesByLayer.size(); i++) {