Fixed crash when Server tries to load KeyMappings.

src/main/java/com/micle/totemofreviving/items/StrawTotemItem.java

@@ -4,6 +4,7 @@ import com.micle.totemofreviving.TotemOfReviving;
 import com.micle.totemofreviving.network.C2SRequestPlayerRevive;
 import com.micle.totemofreviving.network.C2SRequestTotemCharge;
 import com.micle.totemofreviving.network.C2SRequestTotemTarget;
+import com.micle.totemofreviving.setup.ModKeyMappings;
 import com.mojang.blaze3d.platform.InputConstants;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.KeyMapping;
@@ -25,13 +26,13 @@ public class StrawTotemItem extends Item {
     public static final String TAG_TARGET_NAME = "target_name";
     public static final String TAG_FAIL_CHANCE = "fail_chance";
     public static final int STARTING_FAIL_CHANCE = 45;
-    private static final KeyMapping KEY_LSHIFT = new KeyMapping("StrawTotemItem_LSHIFT", InputConstants.KEY_LSHIFT, KeyMapping.CATEGORY_INTERFACE);
 
     public StrawTotemItem() {
         super(new Item.Properties().tab(CreativeModeTab.TAB_MISC).stacksTo(1).rarity(Rarity.UNCOMMON));
     }
 
     @Override
+    @OnlyIn(Dist.CLIENT)
     public void appendHoverText(ItemStack stack, Level world, List<Component> tooltip, TooltipFlag flag) {
         super.appendHoverText(stack, world, tooltip, flag);
         tooltip.add(new TextComponent(ChatFormatting.GOLD + "Charges: " + ChatFormatting.GRAY + stack.getOrCreateTag().getInt(TAG_CHARGE_AMOUNT)));
@@ -39,7 +40,7 @@ public class StrawTotemItem extends Item {
         tooltip.add(new TextComponent(ChatFormatting.GOLD + "Fail Chance: " + ChatFormatting.GRAY + stack.getOrCreateTag().getInt(TAG_FAIL_CHANCE)));
         tooltip.add(new TextComponent( ChatFormatting.DARK_GRAY + "" + ChatFormatting.ITALIC + "\"Feels kinda funky.\""));
         tooltip.add(new TextComponent(""));
-        if (KEY_LSHIFT.isDown()) {
+        if (ModKeyMappings.KEYMAP_UI_LSHIFT.isDown()) {
             tooltip.add(new TextComponent(ChatFormatting.YELLOW + "R-CLICK"));
             tooltip.add(new TextComponent(ChatFormatting.GOLD + "When other hand is empty: attempt to revive target."));
             tooltip.add(new TextComponent(ChatFormatting.GOLD + "When other hand has " + ChatFormatting.GRAY + "Straw Reviving Charge" + ChatFormatting.GOLD + ": charge totem."));

src/main/java/com/micle/totemofreviving/items/TotemOfRevivingItem.java

@@ -4,6 +4,7 @@ import com.micle.totemofreviving.TotemOfReviving;
 import com.micle.totemofreviving.network.C2SRequestPlayerRevive;
 import com.micle.totemofreviving.network.C2SRequestTotemCharge;
 import com.micle.totemofreviving.network.C2SRequestTotemTarget;
+import com.micle.totemofreviving.setup.ModKeyMappings;
 import com.mojang.blaze3d.platform.InputConstants;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.KeyMapping;
@@ -23,20 +24,20 @@ public class TotemOfRevivingItem extends Item {
     public static final String TAG_CHARGE_AMOUNT = "charge";
     public static final String TAG_TARGET_INDEX = "target_index";
     public static final String TAG_TARGET_NAME = "target_name";
-    private static final KeyMapping KEY_LSHIFT = new KeyMapping("TotemOfRevivingItem_LSHIFT", InputConstants.KEY_LSHIFT, KeyMapping.CATEGORY_INTERFACE);
 
     public TotemOfRevivingItem() {
         super(new Item.Properties().tab(CreativeModeTab.TAB_MISC).stacksTo(1).rarity(Rarity.RARE));
     }
 
     @Override
+    @OnlyIn(Dist.CLIENT)
     public void appendHoverText(ItemStack stack, Level world, List<Component> tooltip, TooltipFlag flag) {
         super.appendHoverText(stack, world, tooltip, flag);
         tooltip.add(new TextComponent(ChatFormatting.DARK_AQUA + "Charges: " + ChatFormatting.BLUE + stack.getOrCreateTag().getInt(TAG_CHARGE_AMOUNT)) {
         });
         tooltip.add(new TextComponent(ChatFormatting.DARK_AQUA + "Target: " + ChatFormatting.BLUE + stack.getOrCreateTag().getString(TAG_TARGET_NAME)));
         tooltip.add(new TextComponent(""));
-        if (KEY_LSHIFT.isDown()) {
+        if (ModKeyMappings.KEYMAP_UI_LSHIFT.isDown()) {
             tooltip.add(new TextComponent(ChatFormatting.AQUA + "R-CLICK"));
             tooltip.add(new TextComponent(ChatFormatting.DARK_AQUA + "When other hand is empty: attempt to revive target."));
             tooltip.add(new TextComponent(ChatFormatting.DARK_AQUA + "When other hand has " + ChatFormatting.BLUE + "Reviving Charge" + ChatFormatting.DARK_AQUA + ": charge totem."));

src/main/java/com/micle/totemofreviving/setup/ModKeyMappings.java

@@ -0,0 +1,8 @@
+package com.micle.totemofreviving.setup;
+
+import com.mojang.blaze3d.platform.InputConstants;
+import net.minecraft.client.KeyMapping;
+
+public class ModKeyMappings {
+    public static final KeyMapping KEYMAP_UI_LSHIFT = new KeyMapping("KEYMAP_UI_LSHIFT", InputConstants.KEY_LSHIFT, KeyMapping.CATEGORY_INTERFACE);
+}