Add option to make stands and frames immutable by default

src/main/java/net/modfest/fireblanket/FireblanketMixin.java

@@ -56,6 +56,10 @@ public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
 			return FireblanketConfig.get(ConfigSpecs.FLATTEN_CHUNK_PALETTES);
 		}
 
+		if (mixinClassName.contains("entity_immutability")) {
+			return FireblanketConfig.get(ConfigSpecs.ENTITY_IMMUTABILITY);
+		}
+
 		if (mixinClassName.contains("ai") || mixinClassName.contains("sounds")) {
 			return FireblanketConfig.get(ConfigSpecs.GAMEPLAY_CHANGES);
 		}

src/main/java/net/modfest/fireblanket/config/ConfigSpecs.java

@@ -44,6 +44,11 @@ public final class ConfigSpecs {
 			Disables the usage of zstd to save world data and compress network connections.
 			""", "no", ConfigParsers.BOOLEAN);
 
+	public static final ConfigSpec<Boolean> ENTITY_IMMUTABILITY = new ConfigSpec<>("entity-immutability", "Entity Immutability by Default",
+		"""
+			Makes entities default to being immutable. For example, it will set frames to fixed by default.
+			""", "no", ConfigParsers.BOOLEAN);
+
 	public static final ConfigSpec<Boolean> GAMEPLAY_CHANGES = new ConfigSpec<>("gameplay-changes", "Gameplay Changes",
 		"""
 			Allow altering features in a way that impacts gameplay.
@@ -67,6 +72,7 @@ private static void buildMap() {
 		ALL_SPECS.add(FLATTEN_CHUNK_PALETTES);
 		ALL_SPECS.add(ALLOW_FOOTGUNS);
 		ALL_SPECS.add(AVOID_ZSTD);
+		ALL_SPECS.add(ENTITY_IMMUTABILITY);
 		ALL_SPECS.add(GAMEPLAY_CHANGES);
 
 		// We have registries at home:

src/main/java/net/modfest/fireblanket/mixin/entity_immutability/MixinArmorStand.java

@@ -0,0 +1,27 @@
+package net.modfest.fireblanket.mixin.entity_immutability;
+
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.decoration.ArmorStandEntity;
+import net.minecraft.world.World;
+import net.modfest.fireblanket.mixinsupport.ImmmovableLivingEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ArmorStandEntity.class)
+public class MixinArmorStand {
+	@Shadow
+	private int disabledSlots;
+
+	@Inject(method = "<init>(Lnet/minecraft/entity/EntityType;Lnet/minecraft/world/World;)V", at = @At("RETURN"))
+	private void onInit(EntityType entityType, World world, CallbackInfo ci) {
+		// Disable all slots by default
+		this.disabledSlots = 4144959;
+		// Disable movement (prevents abuse of fishing rods)
+		if (this instanceof ImmmovableLivingEntity im) {
+			im.setNoMovement(true);
+		}
+	}
+}

src/main/java/net/modfest/fireblanket/mixin/entity_immutability/MixinItemFrame.java

@@ -0,0 +1,21 @@
+package net.modfest.fireblanket.mixin.entity_immutability;
+
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.decoration.ItemFrameEntity;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ItemFrameEntity.class)
+public class MixinItemFrame {
+	@Shadow
+	private boolean fixed;
+
+	@Inject(method = "<init>(Lnet/minecraft/entity/EntityType;Lnet/minecraft/world/World;)V", at = @At("RETURN"))
+	private void onInit(EntityType entityType, World world, CallbackInfo ci) {
+		this.fixed = true;
+	}
+}

src/main/resources/fireblanket.mixins.json

@@ -9,21 +9,22 @@
 		"accessor.EntityTypeAccessor",
 		"accessor.ServerChunkManagerAccessor",
 		"accessor.ServerLoginNetworkHandlerAccessor",
-      	"adventure_fix.MixinItemStack",
+		"adventure_fix.MixinItemStack",
 		"adventure_fix.MixinPlayerInteractEntityC2SPacketHandler",
 		"adventure_fix.MixinServerPlayerInteractionManager",
 		"ai.MixinTemptGoal",
 		"be_sync.MixinBlockEntity",
 		"be_sync.MixinChunkHolder",
 		"block.MixinCommandBlock",
 		"block_format.MixinChunkSection",
+		"entity_immutability.MixinArmorStand",
+		"entity_immutability.MixinItemFrame",
 		"entity_ticking.MixinDebugStickItem",
 		"entity_ticking.MixinEntity",
 		"entity_ticking.MixinItemGroups",
 		"entity_ticking.MixinLivingEntity",
 		"entity_ticking.MixinMinecraftServer",
 		"entity_ticking.MixinServerChunkLoadingManager",
-		"mods.create.MixinSuperGlueEntity",
 		"footgun.MixinEntitySelectorOptions",
 		"footgun.MixinEntitySelectorReader",
 		"fsc.MixinClientConnection",
@@ -32,6 +33,7 @@
 		"io_uring.MixinServerNetworkIo",
 		"mods.create.AccessorSmartBlockEntity",
 		"mods.create.MixinMechanicalBearingBlockEntity",
+		"mods.create.MixinSuperGlueEntity",
 		"mods.mythicmetals.MixinCarmotShield",
 		"mods.pehkui.MixinScaleUtils",
 		"mods.pswg.MixinComplexCollisionManager",
@@ -61,7 +63,6 @@
 		"client.adventure_fix.MixinClientPlayerInteractionManager",
 		"client.be_masking.MixinBlockEntityRenderDispatcher",
 		"client.be_masking.MixinRebuildTask",
-		"mods.masking.sodium.MixinChunkRenderRebuildTask",
 		"client.bufferbuilder_opto.MixinBufferBuilder",
 		"client.bufferbuilder_opto.MixinVertexFormat",
 		"client.entity_masking.MixinEntityRenderer",
@@ -79,6 +80,7 @@
 		"client.vbo_opto.MixinShaderProgram",
 		"client.vbo_opto.MixinVertexBuffer",
 		"gamemode_selection.MixinKeyboard",
-		"gamemode_selection.MixinSelectionScreen"
+		"gamemode_selection.MixinSelectionScreen",
+		"mods.masking.sodium.MixinChunkRenderRebuildTask"
 	]
 }