From e4915fb7d2077584a11a15141bc81d28ed2b0125 Mon Sep 17 00:00:00 2001
From: Kelebek1 <eeeedddccc@hotmail.co.uk>
Date: Sun, 29 Oct 2023 13:50:55 +0000
Subject: Rework time service to fix time passing offline.

---
 src/common/wall_clock.cpp | 32 +++++++++++++++-----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

(limited to 'src/common/wall_clock.cpp')

diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp
index 012fdc1e0..e14bf3e65 100644
--- a/src/common/wall_clock.cpp
+++ b/src/common/wall_clock.cpp
@@ -18,42 +18,40 @@ namespace Common {
 
 class StandardWallClock final : public WallClock {
 public:
-    explicit StandardWallClock() : start_time{SteadyClock::Now()} {}
+    explicit StandardWallClock() {}
 
     std::chrono::nanoseconds GetTimeNS() const override {
-        return SteadyClock::Now() - start_time;
+        return std::chrono::duration_cast<std::chrono::nanoseconds>(
+            std::chrono::system_clock::now().time_since_epoch());
     }
 
     std::chrono::microseconds GetTimeUS() const override {
-        return static_cast<std::chrono::microseconds>(GetHostTicksElapsed() / NsToUsRatio::den);
+        return std::chrono::duration_cast<std::chrono::microseconds>(
+            std::chrono::system_clock::now().time_since_epoch());
     }
 
     std::chrono::milliseconds GetTimeMS() const override {
-        return static_cast<std::chrono::milliseconds>(GetHostTicksElapsed() / NsToMsRatio::den);
+        return std::chrono::duration_cast<std::chrono::milliseconds>(
+            std::chrono::system_clock::now().time_since_epoch());
     }
 
-    u64 GetCNTPCT() const override {
-        return GetHostTicksElapsed() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
+    s64 GetCNTPCT() const override {
+        return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
     }
 
-    u64 GetGPUTick() const override {
-        return GetHostTicksElapsed() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
+    s64 GetGPUTick() const override {
+        return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
     }
 
-    u64 GetHostTicksNow() const override {
-        return static_cast<u64>(SteadyClock::Now().time_since_epoch().count());
-    }
-
-    u64 GetHostTicksElapsed() const override {
-        return static_cast<u64>(GetTimeNS().count());
+    s64 GetUptime() const override {
+        return std::chrono::duration_cast<std::chrono::nanoseconds>(
+                   std::chrono::steady_clock::now().time_since_epoch())
+            .count();
     }
 
     bool IsNative() const override {
         return false;
     }
-
-private:
-    SteadyClock::time_point start_time;
 };
 
 std::unique_ptr<WallClock> CreateOptimalClock() {
-- 
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