Fix getItemStackDisplayName on Servers

src/main/java/gregtech/api/items/materialitem/MaterialMetaItem.java

@@ -102,7 +102,6 @@ protected boolean canGenerate(OrePrefix orePrefix, Material material) {
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
     public String getItemStackDisplayName(ItemStack itemStack) {
         if (itemStack.getItemDamage() < metaItemOffset) {
             Material material = Material.MATERIAL_REGISTRY.getObjectById(itemStack.getItemDamage() % 1000);

src/main/java/gregtech/api/items/metaitem/MetaItem.java

@@ -21,6 +21,7 @@
 import gregtech.api.unification.material.type.Material;
 import gregtech.api.unification.ore.OrePrefix;
 import gregtech.api.unification.stack.ItemMaterialInfo;
+import gregtech.api.util.LocalisationUtils;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.block.model.ModelBakery;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
@@ -471,7 +472,7 @@ public boolean shouldCauseReequipAnimation(ItemStack oldStack, ItemStack newStac
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("deprecation")
     public String getItemStackDisplayName(ItemStack stack) {
         if (stack.getItemDamage() >= metaItemOffset) {
             T item = getItem(stack);
@@ -486,9 +487,9 @@ public String getItemStackDisplayName(ItemStack stack) {
                 .getCapability(CapabilityFluidHandler.FLUID_HANDLER_ITEM_CAPABILITY, null);
             if (fluidHandlerItem != null) {
                 FluidStack fluidInside = fluidHandlerItem.drain(Integer.MAX_VALUE, false);
-                return I18n.format(unlocalizedName, fluidInside == null ? I18n.format("metaitem.fluid_cell.empty") : fluidInside.getLocalizedName());
+                return LocalisationUtils.format(unlocalizedName, fluidInside == null ? LocalisationUtils.format("metaitem.fluid_cell.empty") : fluidInside.getLocalizedName());
             }
-            return I18n.format(unlocalizedName);
+            return LocalisationUtils.format(unlocalizedName);
         }
         return super.getItemStackDisplayName(stack);
     }

src/main/java/gregtech/api/items/toolitem/ToolMetaItem.java

@@ -20,6 +20,7 @@
 import gregtech.api.unification.material.type.SolidMaterial;
 import gregtech.api.util.GTLog;
 import gregtech.api.util.GTUtility;
+import gregtech.api.util.LocalisationUtils;
 import gregtech.common.ConfigHolder;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.resources.I18n;
@@ -406,7 +407,7 @@ public ICapabilityProvider initCapabilities(ItemStack stack, @Nullable NBTTagCom
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("deprecation")
     public String getItemStackDisplayName(ItemStack stack) {
         if (stack.getItemDamage() >= metaItemOffset) {
             T item = getItem(stack);
@@ -415,7 +416,7 @@ public String getItemStackDisplayName(ItemStack stack) {
             }
             SolidMaterial primaryMaterial = getToolMaterial(stack);
             String materialName = primaryMaterial == null ? "" : String.valueOf(primaryMaterial.getLocalizedName());
-            return I18n.format("metaitem." + item.unlocalizedName + ".name", materialName);
+            return LocalisationUtils.format("metaitem." + item.unlocalizedName + ".name", materialName);
         }
         return super.getItemStackDisplayName(stack);
     }

src/main/java/gregtech/api/pipenet/block/material/ItemBlockMaterialPipe.java

@@ -14,7 +14,6 @@ public ItemBlockMaterialPipe(BlockMaterialPipe<PipeType, NodeDataType, ?> block)
 
     @SuppressWarnings("unchecked")
     @Override
-    @SideOnly(Side.CLIENT)
     public String getItemStackDisplayName(ItemStack stack) {
         PipeType pipeType = blockPipe.getItemPipeType(stack);
         Material material = ((BlockMaterialPipe<PipeType, NodeDataType, ?>) blockPipe).getItemMaterial(stack);

src/main/java/gregtech/api/recipes/RecipeMap.java

@@ -24,6 +24,7 @@
 import gregtech.api.util.EnumValidationResult;
 import gregtech.api.util.GTLog;
 import gregtech.api.util.GTUtility;
+import gregtech.api.util.LocalisationUtils;
 import gregtech.api.util.ValidationResult;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.item.ItemStack;
@@ -406,10 +407,10 @@ public List<CTRecipe> ccGetRecipeList() {
             .collect(Collectors.toList());
     }
 
-    @SideOnly(Side.CLIENT)
     @ZenGetter("localizedName")
+    @SuppressWarnings("deprecation")
     public String getLocalizedName() {
-        return I18n.format("recipemap." + unlocalizedName + ".name");
+        return LocalisationUtils.format("recipemap." + unlocalizedName + ".name");
     }
 
     @ZenGetter("unlocalizedName")

src/main/java/gregtech/api/recipes/machines/FuelRecipeMap.java

@@ -6,11 +6,9 @@
 import gregtech.api.GTValues;
 import gregtech.api.recipes.FluidKey;
 import gregtech.api.recipes.recipes.FuelRecipe;
-import net.minecraft.client.resources.I18n;
+import gregtech.api.util.LocalisationUtils;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fml.common.Optional.Method;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
 import stanhebben.zenscript.annotations.ZenClass;
 import stanhebben.zenscript.annotations.ZenGetter;
 import stanhebben.zenscript.annotations.ZenMethod;
@@ -84,10 +82,10 @@ public List<FuelRecipe> getRecipeList() {
         return Collections.unmodifiableList(recipeList);
     }
 
-    @SideOnly(Side.CLIENT)
     @ZenGetter("localizedName")
+    @SuppressWarnings("deprecation")
     public String getLocalizedName() {
-        return I18n.format("recipemap." + unlocalizedName + ".name");
+        return LocalisationUtils.format("recipemap." + unlocalizedName + ".name");
     }
 
     @ZenGetter("unlocalizedName")

src/main/java/gregtech/api/unification/material/type/Material.java

@@ -9,7 +9,7 @@
 import gregtech.api.unification.stack.MaterialStack;
 import gregtech.api.util.GTControlledRegistry;
 import gregtech.api.util.GTLog;
-import net.minecraft.client.resources.I18n;
+import gregtech.api.util.LocalisationUtils;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 import stanhebben.zenscript.annotations.*;
@@ -381,10 +381,10 @@ public String getUnlocalizedName() {
         return "material." + toString();
     }
 
-    @SideOnly(Side.CLIENT)
     @ZenGetter("localizedName")
+    @SuppressWarnings("deprecation")
     public String getLocalizedName() {
-        return I18n.format(getUnlocalizedName());
+        return LocalisationUtils.format(getUnlocalizedName());
     }
 
     @Override

src/main/java/gregtech/api/unification/ore/OrePrefix.java

@@ -7,9 +7,8 @@
 import gregtech.api.unification.material.type.*;
 import gregtech.api.unification.stack.MaterialStack;
 import gregtech.api.util.GTUtility;
-import net.minecraft.client.resources.I18n;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
+import gregtech.api.util.LocalisationUtils;
+import jdk.nashorn.internal.ir.annotations.Ignore;
 import org.apache.commons.lang3.Validate;
 
 import javax.annotation.Nullable;
@@ -442,13 +441,13 @@ private void runGeneratedMaterialHandlers() {
         currentProcessingPrefix.set(null);
     }
 
-    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("deprecation")
     public String getLocalNameForItem(Material material) {
         String specfiedUnlocalized = "item." + material.toString() + "." + this.name();
-        if (I18n.hasKey(specfiedUnlocalized)) return I18n.format(specfiedUnlocalized);
+        if (LocalisationUtils.hasKey(specfiedUnlocalized)) return LocalisationUtils.format(specfiedUnlocalized);
         String unlocalized = "item.material.oreprefix." + this.name();
         String matLocalized = material.getLocalizedName();
-        String formatted = I18n.format(unlocalized, matLocalized);
+        String formatted = LocalisationUtils.format(unlocalized, matLocalized);
         return formatted.equals(unlocalized) ? matLocalized : formatted;
     }
 

src/main/java/gregtech/api/util/LocalisationUtils.java

@@ -0,0 +1,53 @@
+package gregtech.api.util;
+
+import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.minecraftforge.fml.relauncher.Side;
+
+public class LocalisationUtils {
+
+    /**
+     * @deprecated
+     * This function calls `net.minecraft.client.resources.I18n.format` when called on client
+     * or `net.minecraft.util.text.translation.I18n.translateToLocalFormatted` when called on server.
+     * <ul>
+     *  <li>It is intended that translations should be done using `I18n` on the client.</li>
+     *  <li>For setting up translations on the server you should use `TextComponentTranslatable`.</li>
+     *  <li>`LocalisationUtils` is only for cases where some kind of translation is required on the server and there is no client/player in context.</li>
+     *  <li>`LocalisationUtils` is "best effort" and will probably only work properly with en-us.</li>
+     * </ul>
+     * @param localisationKey the localisation key passed to the underlying format function
+     * @param substitutions the substitutions passed to the underlying format function
+     * @return the localized string.
+     */
+    @Deprecated
+    public static String format(String localisationKey, Object... substitutions) {
+        if (FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER) {
+            return net.minecraft.util.text.translation.I18n.translateToLocalFormatted(localisationKey, substitutions);
+        } else {
+            return net.minecraft.client.resources.I18n.format(localisationKey, substitutions);
+        }
+    }
+
+    /**
+     * @deprecated
+     * This function calls `net.minecraft.client.resources.I18n.hasKey` when called on client
+     * or `net.minecraft.util.text.translation.I18n.canTranslate` when called on server.
+     * <ul>
+     *  <li>It is intended that translations should be done using `I18n` on the client.</li>
+     *  <li>For setting up translations on the server you should use `TextComponentTranslatable`.</li>
+     *  <li>`LocalisationUtils` is only for cases where some kind of translation is required on the server and there is no client/player in context.</li>
+     *  <li>`LocalisationUtils` is "best effort" and will probably only work properly with en-us.</li>
+     * </ul>
+     * @param localisationKey the localisation key passed to the underlying hasKey function
+     * @return a boolean indicating if the given localisation key has localisations
+     */
+    @Deprecated
+    public static boolean hasKey(String localisationKey) {
+        if (FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER) {
+            return net.minecraft.util.text.translation.I18n.canTranslate(localisationKey);
+        } else {
+            return net.minecraft.client.resources.I18n.hasKey(localisationKey);
+        }
+    }
+
+}

src/main/java/gregtech/common/blocks/CompressedItemBlock.java

@@ -29,7 +29,6 @@ public IBlockState getBlockState(ItemStack stack) {
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
     public String getItemStackDisplayName(ItemStack stack) {
         Material material = getBlockState(stack).getValue(compressedBlock.variantProperty);
         return OrePrefix.block.getLocalNameForItem(material);

src/main/java/gregtech/common/blocks/FrameItemBlock.java

@@ -29,7 +29,6 @@ public IBlockState getBlockState(ItemStack stack) {
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
     public String getItemStackDisplayName(ItemStack stack) {
         Material material = frameBlock.frameMaterial;
         return OrePrefix.frameGt.getLocalNameForItem(material);

src/main/java/gregtech/common/blocks/OreItemBlock.java

@@ -35,7 +35,6 @@ protected IBlockState getBlockState(ItemStack stack) {
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
     public String getItemStackDisplayName(ItemStack stack) {
         IBlockState blockState = getBlockState(stack);
         StoneType stoneType = blockState.getValue(oreBlock.STONE_TYPE);

src/main/java/gregtech/common/items/behaviors/AbstractMaterialPartBehavior.java

@@ -7,6 +7,7 @@
 import gregtech.api.unification.material.Materials;
 import gregtech.api.unification.material.type.IngotMaterial;
 import gregtech.api.unification.material.type.Material;
+import gregtech.api.util.LocalisationUtils;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -62,10 +63,10 @@ public void setPartDamage(ItemStack itemStack, int rotorDamage) {
     }
 
     @Override
-    @SideOnly(Side.CLIENT)
+    @SuppressWarnings("deprecation")
     public String getItemStackDisplayName(ItemStack itemStack, String unlocalizedName) {
         IngotMaterial material = getPartMaterial(itemStack);
-        return I18n.format(unlocalizedName, material.getLocalizedName());
+        return LocalisationUtils.format(unlocalizedName, material.getLocalizedName());
     }
 
     @Override

src/main/java/gregtech/common/items/behaviors/FacadeItem.java

@@ -3,9 +3,9 @@
 import com.google.common.collect.ImmutableList;
 import gregtech.api.items.metaitem.stats.IItemNameProvider;
 import gregtech.api.items.metaitem.stats.ISubItemHandler;
+import gregtech.api.util.LocalisationUtils;
 import gregtech.common.ConfigHolder;
 import gregtech.common.covers.facade.FacadeHelper;
-import net.minecraft.client.resources.I18n;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.init.Blocks;
 import net.minecraft.init.Items;
@@ -21,10 +21,11 @@
 public class FacadeItem implements IItemNameProvider, ISubItemHandler {
 
     @Override
+    @SuppressWarnings("deprecation")
     public String getItemStackDisplayName(ItemStack itemStack, String unlocalizedName) {
         ItemStack facadeStack = getFacadeStack(itemStack);
         String name = facadeStack.getItem().getItemStackDisplayName(facadeStack);
-        return I18n.format(unlocalizedName, name);
+        return LocalisationUtils.format(unlocalizedName, name);
     }
 
     @Override

src/main/java/gregtech/integration/theoneprobe/provider/TransformerInfoProvider.java

@@ -9,7 +9,6 @@
 import mcjty.theoneprobe.api.ElementAlignment;
 import mcjty.theoneprobe.api.IProbeInfo;
 import mcjty.theoneprobe.api.TextStyleClass;
-import net.minecraft.client.resources.I18n;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;