From 76f8cdaef184cb0ac5ba7ca02a89197684116a87 Mon Sep 17 00:00:00 2001
From: Owain van Brakel <owain.vanbrakel@gmail.com>
Date: Wed, 17 Nov 2021 17:08:54 +0100
Subject: [PATCH] project: Mixins

---
 .../net/runelite/mixins/RSClientMixin.java    | 27 ++++++++++
 .../net/runelite/mixins/RSNanoClockMixin.java | 52 ++++++++++++++++---
 .../java/net/runelite/rs/api/RSClient.java    |  2 +
 3 files changed, 73 insertions(+), 8 deletions(-)

diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
index 5c78c2108f..1885cb949f 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
@@ -282,6 +282,9 @@ public abstract class RSClientMixin implements RSClient
 	@Inject
 	public long lastNanoTime;
 
+	@Inject
+	public long delayNanoTime;
+
 	@Inject
 	private List<String> outdatedScripts = new ArrayList<>();
 
@@ -2445,6 +2448,30 @@ public abstract class RSClientMixin implements RSClient
 		{
 			posToCameraAngle(client.getMapAngle(), client.getCameraPitch());
 		}
+		else
+		{
+			delayNanoTime = 0L;
+		}
+	}
+
+	@Inject
+	public void setUnlockedFpsTarget(int var1)
+	{
+		if (var1 <= 0)
+		{
+			delayNanoTime = 0L;
+		}
+		else
+		{
+			delayNanoTime = 1000000000L / (long) var1;
+		}
+	}
+
+	@Inject
+	@Override
+	public long getUnlockedFpsTarget()
+	{
+		return delayNanoTime;
 	}
 
 	@Inject
diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSNanoClockMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSNanoClockMixin.java
index 54f255d6a4..809aac00f7 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSNanoClockMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSNanoClockMixin.java
@@ -25,6 +25,7 @@
 package net.runelite.mixins;
 
 import net.runelite.api.mixins.Copy;
+import net.runelite.api.mixins.Inject;
 import net.runelite.api.mixins.Mixin;
 import net.runelite.api.mixins.Replace;
 import net.runelite.api.mixins.Shadow;
@@ -37,6 +38,9 @@ public abstract class RSNanoClockMixin implements RSNanoClock
 	@Shadow("client")
 	private static RSClient client;
 
+	@Inject
+	private long tmpNanoTime;
+
 	@Copy("wait")
 	@Replace("wait")
 	public int copy$wait(int cycleDurationMillis, int var2)
@@ -49,16 +53,42 @@ public abstract class RSNanoClockMixin implements RSNanoClock
 		{
 			long nanoTime = System.nanoTime();
 
-			if (nanoTime < getLastTimeNano())
+			if (nanoTime >= getLastTimeNano() && nanoTime >= tmpNanoTime)
 			{
-				setLastTimeNano(nanoTime);
+				long cycleDuration;
+				long diff;
 
-				return 1;
-			}
-			else
-			{
-				long cycleDuration = (long) cycleDurationMillis * 1000000L;
-				long diff = nanoTime - getLastTimeNano();
+				if (client.getUnlockedFpsTarget() > 0L)
+				{
+					cycleDuration = nanoTime - tmpNanoTime;
+					diff = client.getUnlockedFpsTarget() - cycleDuration;
+					diff /= 1000000L;
+					if (diff > 0L)
+					{
+						try
+						{
+							if (diff % 10L == 0L)
+							{
+								Thread.sleep(diff - 1L);
+								Thread.sleep(1L);
+							}
+							else
+							{
+								Thread.sleep(diff);
+							}
+						}
+						catch (InterruptedException var22)
+						{
+						}
+
+						nanoTime = System.nanoTime();
+					}
+				}
+
+				tmpNanoTime = nanoTime;
+
+				cycleDuration = (long) cycleDurationMillis * 1000000L;
+				diff = nanoTime - getLastTimeNano();
 
 				int cycles = (int) (diff / cycleDuration);
 
@@ -71,6 +101,12 @@ public abstract class RSNanoClockMixin implements RSNanoClock
 
 				return cycles;
 			}
+			else
+			{
+				setLastTimeNano(tmpNanoTime = nanoTime);
+
+				return 1;
+			}
 		}
 	}
 }
diff --git a/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java b/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
index 04643a9768..1cab3dd535 100644
--- a/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
+++ b/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
@@ -1477,6 +1477,8 @@ public interface RSClient extends RSGameEngine, Client
 
 	boolean isUnlockedFps();
 
+	long getUnlockedFpsTarget();
+
 	void posToCameraAngle(int var0, int var1);
 
 	@Import("objectSounds")