Add slot locking

1 files changed, 25 insertions, 0 deletions

diff --git a/src/main/java/moe/nea/firmament/mixins/MixinClientPlayerEntity.java b/src/main/java/moe/nea/firmament/mixins/MixinClientPlayerEntity.java
new file mode 100644
index 0000000..dc19786
--- /dev/null
+++ b/src/main/java/moe/nea/firmament/mixins/MixinClientPlayerEntity.java
@@ -0,0 +1,25 @@
+package moe.nea.firmament.mixins;
+
+import moe.nea.firmament.events.IsSlotProtectedEvent;
+import net.minecraft.client.network.ClientPlayerEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.screen.slot.Slot;
+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;
+
+@Mixin(ClientPlayerEntity.class)
+public abstract class MixinClientPlayerEntity extends PlayerEntity {
+    public MixinClientPlayerEntity() {
+        super(null, null, 0, null);
+    }
+
+    @Inject(method = "dropSelectedItem", at = @At("HEAD"), cancellable = true)
+    public void onDropSelectedItem(boolean entireStack, CallbackInfoReturnable<Boolean> cir) {
+        Slot fakeSlot = new Slot(getInventory(), getInventory().selectedSlot, 0, 0);
+        if (IsSlotProtectedEvent.shouldBlockInteraction(fakeSlot)) {
+            cir.setReturnValue(false);
+        }
+    }
+}