Tectonic Girdle nullifies explosion knockback

(closes #4581)
VazkiiMods · Jun 16, 2024 · 9190ce5 · 9190ce5
1 parent 08ff8dd
commit 9190ce5
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Showing 3 changed files with 29 additions and 0 deletions.
diff --git a/Xplat/src/main/java/vazkii/botania/common/item/equipment/bauble/TectonicGirdleItem.java b/Xplat/src/main/java/vazkii/botania/common/item/equipment/bauble/TectonicGirdleItem.java
@@ -29,6 +29,8 @@
 import vazkii.botania.client.lib.ResourcesLib;
 import vazkii.botania.client.render.AccessoryRenderRegistry;
 import vazkii.botania.client.render.AccessoryRenderer;
+import vazkii.botania.common.handler.EquipmentHandler;
+import vazkii.botania.common.item.BotaniaItems;
 import vazkii.botania.common.proxy.Proxy;
 
 public class TectonicGirdleItem extends BaubleItem {
@@ -47,6 +49,11 @@ public Multimap<Attribute, AttributeModifier> getEquippedAttributeModifiers(Item
 		return attributes;
 	}
 
+	public static boolean negateExplosionKnockback(LivingEntity living) {
+		// TODO 1.21: replace with explosion knockback resistance attribute
+		return !EquipmentHandler.findOrEmpty(BotaniaItems.knockbackBelt, living).isEmpty();
+	}
+
 	public static class Renderer implements AccessoryRenderer {
 		private static HumanoidModel<LivingEntity> model = null;
 

diff --git a/Xplat/src/main/java/vazkii/botania/mixin/ProtectionEnchantmentMixin.java b/Xplat/src/main/java/vazkii/botania/mixin/ProtectionEnchantmentMixin.java
@@ -0,0 +1,21 @@
+package vazkii.botania.mixin;
+
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.item.enchantment.ProtectionEnchantment;
+
+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.CallbackInfoReturnable;
+
+import vazkii.botania.common.item.equipment.bauble.TectonicGirdleItem;
+
+@Mixin(ProtectionEnchantment.class)
+public class ProtectionEnchantmentMixin {
+	@Inject(method = "getExplosionKnockbackAfterDampener", at = @At("HEAD"), cancellable = true)
+	private static void cancelExplosionKnockback(LivingEntity living, double knockback, CallbackInfoReturnable<Double> cir) {
+		if (TectonicGirdleItem.negateExplosionKnockback(living)) {
+			cir.setReturnValue(0.0);
+		}
+	}
+}
diff --git a/Xplat/src/main/resources/botania_xplat.mixins.json b/Xplat/src/main/resources/botania_xplat.mixins.json
@@ -44,6 +44,7 @@
     "PistonStructureResolverMixin",
     "PlayerMixin",
     "PollinateGoalMixin",
+    "ProtectionEnchantmentMixin",
     "RandomizableContainerBlockEntityAccessor",
     "RecipeManagerAccessor",
     "RecipeProviderAccessor",