Disable creeper explosions

src/main/java/party/_2a03/mc/mixin/MixinCreeperEntity.java

@@ -0,0 +1,29 @@
+package party._2a03.mc.mixin;
+
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.mob.CreeperEntity;
+import net.minecraft.entity.mob.HostileEntity;
+import net.minecraft.world.World;
+import net.minecraft.world.explosion.Explosion;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+import org.spongepowered.asm.mixin.Mixin;
+import party._2a03.mc.util.Config;
+
+@Mixin(CreeperEntity.class)
+public abstract class MixinCreeperEntity extends HostileEntity {
+	public MixinCreeperEntity(EntityType<? extends CreeperEntity> entityType, World world) {
+		super((EntityType<? extends HostileEntity>)entityType, world);
+	}
+
+	@Redirect(method = "explode()V", at = @At(value = "INVOKE",
+		target = "Lnet/minecraft/world/World;createExplosion(Lnet/minecraft/entity/Entity;DDDFLnet/minecraft/world/explosion/Explosion$DestructionType;)Lnet/minecraft/world/explosion/Explosion;"))
+	private Explosion OnCreeperExplode(World self, Entity entity,
+			double x, double y, double z, float r,
+			Explosion.DestructionType destructionType) {
+		if (Config.getBool("disableCreeperExplosions"))
+			destructionType = Explosion.DestructionType.NONE;
+		return self.createExplosion(entity, x, y, z, r, destructionType);
+	}
+}

src/main/java/party/_2a03/mc/util/Config.java

@@ -35,9 +35,10 @@ public class Config {
 			json = new JSONObject();
 		}
 
-		setDefault("persistentFlight", true);
+		setDefault("persistentFlight", false);
 		setDefault("disableFlyCommand", true);
 		setDefault("disableTntExplosions", false);
+		setDefault("disableCreeperExplosions", false);
 		setDefault("disableRespawnAnchorExplosions", false);
 		setDefault("iphubApiKey", "");
 		setDefault("spawn", (new PlayerPosition()).getJSON());

src/main/resources/minecraft-tweaks-2a03.mixins.json

@@ -3,6 +3,7 @@
 	"package": "party._2a03.mc.mixin",
 	"compatibilityLevel": "JAVA_17",
 	"server": [
+		"MixinCreeperEntity",
 		"MixinGameModeCommand",
 		"MixinPlayerManager",
 		"MixinRespawnAnchorBlock",