Disable respawn anchor explosions

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

@@ -0,0 +1,34 @@
+package party._2a03.mc.mixin;
+
+import javax.annotation.Nullable;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.RespawnAnchorBlock;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.state.property.IntProperty;
+import net.minecraft.state.property.Properties;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import party._2a03.mc.server.Config;
+
+@Mixin(RespawnAnchorBlock.class)
+public abstract class MixinRespawnAnchorBlock extends Block {
+	@Shadow
+	public static final IntProperty CHARGES = Properties.CHARGES;
+
+	public MixinRespawnAnchorBlock(Block.Settings settings) {
+		super(settings);
+		this.setDefaultState((BlockState)this.stateManager.getDefaultState().with(CHARGES, 0));
+	}
+
+	@Inject(method = "explode", at = @At("HEAD"), cancellable = true)
+	private void onExplode(CallbackInfo ci) {
+		if (Config.getBool("disableTntExplosions") == true)
+			ci.cancel();
+	}
+}

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

@@ -4,6 +4,7 @@
 	"compatibilityLevel": "JAVA_8",
 	"server": [
 		"MixinGameModeCommand",
+		"MixinRespawnAnchorBlock",
 		"MixinServerPlayerEntity",
 		"MixinTntBlock",
 		"MixinTntEntity"