Vanish players don't obstruct block placement

fixes #40

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.5.5] - 2024-05-31
+### Added
+- Vanished players don't obstruct block placement
+
 ## [1.5.4] - 2024-04-24
 ### Fixed
 - Crash on startup

README.md

@@ -15,6 +15,7 @@
 - You are removed from command selectors (`/msg`, `/gamemode`...)
 - You get removed from `/list` command
 - You don't appear in the server list player sample and player count
+- You don't obstruct block placement
 - Your advancement, death, join/leave messages, and others are hidden
 - Fake join/leave messages are sent on vanish/un-vanish
 - Hide from entities

gradle.properties

@@ -5,7 +5,7 @@ org.gradle.jvmargs=-Xmx1G
 minecraft_version=1.20.5
 loader_version=0.15.10
 # Mod Properties
-mod_version=1.5.4
+mod_version=1.5.5
 maven_group=me.drex
 archives_base_name=vanish
 # Dependencies

src/main/java/me/drex/vanish/mixin/EntityGetterMixin.java

@@ -0,0 +1,29 @@
+package me.drex.vanish.mixin;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import me.drex.vanish.api.VanishAPI;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.EntityGetter;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(EntityGetter.class)
+public interface EntityGetterMixin {
+
+    @WrapOperation(
+        method = "isUnobstructed",
+        at = @At(
+            value = "FIELD",
+            target = "Lnet/minecraft/world/entity/Entity;blocksBuilding:Z"
+        )
+    )
+    default boolean vanish_noBlockObstruction(Entity entity, Operation<Boolean> original) {
+        if (entity instanceof ServerPlayer serverPlayer && VanishAPI.isVanished(serverPlayer)) {
+            return false;
+        }
+        return original.call(entity);
+    }
+
+}

src/main/resources/vanish.mixins.json

@@ -10,6 +10,7 @@
   "mixins": [
     "CommandSourceStackMixin",
     "ContainerMixin",
+    "EntityGetterMixin",
     "EntityMixin",
     "EntitySelectorMixin",
     "ListPlayersCommandMixin",
@@ -27,11 +28,11 @@
     "SleepStatusMixin",
     "VanishedServerPlayerMixin",
     "WardenMixin",
+    "interaction.BadOmenMobEffectMixin",
     "interaction.ChunkMapMixin",
     "interaction.FallOnBlockMixin",
     "interaction.InsideBlockMixin",
     "interaction.LivingEntityMixin",
-    "interaction.BadOmenMobEffectMixin",
     "interaction.PlayerMixin",
     "interaction.StepOnBlockMixin",
     "interaction.VanishEntitySelector$AbstractMinecartMixin",