Fix Issues with Changing Modes on GCYM Multiblocks

src/main/java/com/nomiceu/nomilabs/mixin/gregtech/MultiMapMultiblockControllerMixin.java

@@ -0,0 +1,51 @@
+package com.nomiceu.nomilabs.mixin.gregtech;
+
+import net.minecraft.util.ResourceLocation;
+
+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.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import gregtech.api.capability.impl.MultiblockRecipeLogic;
+import gregtech.api.metatileentity.multiblock.MultiMapMultiblockController;
+import gregtech.api.metatileentity.multiblock.RecipeMapMultiblockController;
+import gregtech.api.recipes.RecipeMap;
+
+/**
+ * Fixes Recipes not being Rechecked when Mode Changed in GUI.
+ * <p>
+ * Allows Changing Modes with Screwdriver when Machine Active.
+ */
+@Mixin(value = MultiMapMultiblockController.class, remap = false)
+public abstract class MultiMapMultiblockControllerMixin extends RecipeMapMultiblockController {
+
+    /**
+     * Mandatory Ignored Constructor
+     */
+    public MultiMapMultiblockControllerMixin(ResourceLocation metaTileEntityId, RecipeMap<?> recipeMap) {
+        super(metaTileEntityId, recipeMap);
+    }
+
+    @Redirect(method = "onScrewdriverClick",
+              at = @At(value = "INVOKE", target = "Lgregtech/api/capability/impl/MultiblockRecipeLogic;isActive()Z"),
+              require = 1)
+    private boolean allowModeChangeWhenActive(MultiblockRecipeLogic instance) {
+        return false;
+    }
+
+    /**
+     * Cancel original recipe recheck in on screwdriver click, prevent double recheck
+     */
+    @Redirect(method = "onScrewdriverClick",
+              at = @At(value = "INVOKE",
+                       target = "Lgregtech/api/capability/impl/MultiblockRecipeLogic;forceRecipeRecheck()V"),
+              require = 1)
+    private void cancelOriginalRecheck(MultiblockRecipeLogic instance) {}
+
+    @Inject(method = "setRecipeMapIndex", at = @At("RETURN"))
+    private void forceRecheck(int index, CallbackInfo ci) {
+        if (!getWorld().isRemote) recipeMapWorkable.forceRecipeRecheck();
+    }
+}

src/main/resources/mixins.nomilabs.gregtech.json

@@ -23,6 +23,7 @@
     "MetaTileEntityMEStockingHatchMixin",
     "MetaTileEntityProcessingArrayMixin",
     "MultiblockInfoCategoryMixin",
+    "MultiMapMultiblockControllerMixin",
     "OreDictUnifierAccessor",
     "OverlayedItemHandlerMixin",
     "ProcessingArrayWorkableMixin",