From 17fdba8f5054ffa1ef2509da480b2cf43dcaf291 Mon Sep 17 00:00:00 2001
From: Bram Otte <bram@otte.biz>
Date: Fri, 10 Jan 2025 17:44:08 +0100
Subject: [PATCH 1/2] Fix: repeater tick not scheduling at the end of the tick

---
 crates/redpiler/src/backend/direct/tick.rs | 3 ++-
 crates/redstone/src/repeater.rs            | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/crates/redpiler/src/backend/direct/tick.rs b/crates/redpiler/src/backend/direct/tick.rs
index 7561ec59..deb235d0 100644
--- a/crates/redpiler/src/backend/direct/tick.rs
+++ b/crates/redpiler/src/backend/direct/tick.rs
@@ -16,7 +16,9 @@ impl DirectBackend {
                 if node.powered && !should_be_powered {
                     self.set_node(node_id, false, 0);
                 } else if !node.powered {
+                    self.set_node(node_id, true, 15);
                     if !should_be_powered {
+                        let node = &mut self.nodes[node_id];
                         schedule_tick(
                             &mut self.scheduler,
                             node_id,
@@ -25,7 +27,6 @@ impl DirectBackend {
                             TickPriority::Higher,
                         );
                     }
-                    self.set_node(node_id, true, 15);
                 }
             }
             NodeType::Torch => {
diff --git a/crates/redstone/src/repeater.rs b/crates/redstone/src/repeater.rs
index ca944031..ecd088af 100644
--- a/crates/redstone/src/repeater.rs
+++ b/crates/redstone/src/repeater.rs
@@ -95,5 +95,8 @@ pub fn tick(mut rep: RedstoneRepeater, world: &mut impl World, pos: BlockPos) {
         rep.powered = true;
         world.set_block(pos, Block::RedstoneRepeater { repeater: rep });
         on_state_change(rep, world, pos);
+        if !should_be_powered {
+            world.schedule_tick(pos, rep.delay as u32, TickPriority::Higher);
+        }
     }
 }

From 42ef6e2349285607083547b2c78cc1093b55d600 Mon Sep 17 00:00:00 2001
From: Bram Otte <bram@otte.biz>
Date: Fri, 10 Jan 2025 19:12:07 +0100
Subject: [PATCH 2/2] check if there is already a pending tick before
 scheduling a tick in repeater tick

---
 crates/redpiler/src/backend/direct/tick.rs | 4 ++--
 crates/redstone/src/repeater.rs            | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/crates/redpiler/src/backend/direct/tick.rs b/crates/redpiler/src/backend/direct/tick.rs
index deb235d0..cd76768e 100644
--- a/crates/redpiler/src/backend/direct/tick.rs
+++ b/crates/redpiler/src/backend/direct/tick.rs
@@ -17,8 +17,8 @@ impl DirectBackend {
                     self.set_node(node_id, false, 0);
                 } else if !node.powered {
                     self.set_node(node_id, true, 15);
-                    if !should_be_powered {
-                        let node = &mut self.nodes[node_id];
+                    let node = &mut self.nodes[node_id];
+                    if !should_be_powered & !node.pending_tick {
                         schedule_tick(
                             &mut self.scheduler,
                             node_id,
diff --git a/crates/redstone/src/repeater.rs b/crates/redstone/src/repeater.rs
index ecd088af..d382f739 100644
--- a/crates/redstone/src/repeater.rs
+++ b/crates/redstone/src/repeater.rs
@@ -95,7 +95,7 @@ pub fn tick(mut rep: RedstoneRepeater, world: &mut impl World, pos: BlockPos) {
         rep.powered = true;
         world.set_block(pos, Block::RedstoneRepeater { repeater: rep });
         on_state_change(rep, world, pos);
-        if !should_be_powered {
+        if !should_be_powered && !world.pending_tick_at(pos) {
             world.schedule_tick(pos, rep.delay as u32, TickPriority::Higher);
         }
     }