From e01d18044568896ec872c4b4cf5ccee414146d4b Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Tue, 7 Apr 2026 14:38:51 +0200
Subject: [PATCH] fix: correctly hide lifelines with _hide

---
 src/core/draw/hide.typ        |  6 ++++++
 src/core/draw/participant.typ | 11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/core/draw/hide.typ b/src/core/draw/hide.typ
index 2942acd..1f99c44 100644
--- a/src/core/draw/hide.typ
+++ b/src/core/draw/hide.typ
@@ -3,6 +3,9 @@
 #let render(sync) = get-ctx(ctx => {
   set-ctx(c => {
     c.hidden = true
+    for i in range(c.lifelines.len()) {
+      c.lifelines.at(i).lines.push(("hide",))
+    }
     return c
   })
 })
@@ -10,6 +13,9 @@
 #let render-end(sync) = get-ctx(ctx => {
   set-ctx(c => {
     c.hidden = false
+    for i in range(c.lifelines.len()) {
+      c.lifelines.at(i).lines.push(("unhide",))
+    }
     return c
   })
 })
diff --git a/src/core/draw/participant.typ b/src/core/draw/participant.typ
index d7c87e3..3a1374e 100644
--- a/src/core/draw/participant.typ
+++ b/src/core/draw/participant.typ
@@ -320,9 +320,20 @@
     let destructions = ()
     let lines = ()
 
+    let hidden = false
+
     // Compute lifeline rectangles + destruction positions
     for line in ctx.lifelines.at(p.i).lines {
       let event = line.first()
+      if event == "hide" {
+        hidden = true
+      } else if event == "unhide" {
+        hidden = false
+      }
+      if hidden and event in ("create", "enable") {
+        continue
+      }
+
       if event == "create" {
         last-y = line.at(1)