From db5be6c70c016d2b4095963eef9b7c47aa91b5e1 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Mon, 14 Jun 2021 14:55:20 +1000
Subject: [PATCH] TimingEvent: Add Delay method

---
 src/core/timing_event.cpp | 11 +++++++++++
 src/core/timing_event.h   |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/src/core/timing_event.cpp b/src/core/timing_event.cpp
index 8e92e0ce7..6848d2f6c 100644
--- a/src/core/timing_event.cpp
+++ b/src/core/timing_event.cpp
@@ -392,6 +392,17 @@ TickCount TimingEvent::GetTicksUntilNextExecution() const
   return std::max(m_downcount - CPU::GetPendingTicks(), static_cast<TickCount>(0));
 }
 
+void TimingEvent::Delay(TickCount ticks)
+{
+  if (!m_active)
+  {
+    Panic("Trying to delay an inactive event");
+    return;
+  }
+
+  m_downcount += ticks;
+}
+
 void TimingEvent::Schedule(TickCount ticks)
 {
   const TickCount pending_ticks = CPU::GetPendingTicks();
diff --git a/src/core/timing_event.h b/src/core/timing_event.h
index 553c30e7d..3988c7fde 100644
--- a/src/core/timing_event.h
+++ b/src/core/timing_event.h
@@ -30,6 +30,9 @@ public:
   TickCount GetTicksSinceLastExecution() const;
   TickCount GetTicksUntilNextExecution() const;
 
+  // Adds ticks to current execution.
+  void Delay(TickCount ticks);
+
   void Schedule(TickCount ticks);
   void SetIntervalAndSchedule(TickCount ticks);
   void SetPeriodAndSchedule(TickCount ticks);