From fb21ddce9a484d39f05ae98af5ae7fdba2939261 Mon Sep 17 00:00:00 2001
From: SerpentSpirale <mathiasboulay@free.fr>
Date: Fri, 26 Nov 2021 00:06:40 +0100
Subject: [PATCH] Reduce gamepad mouse latency by one frame

---
 .../customcontrols/gamepad/Gamepad.java         | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/Gamepad.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/Gamepad.java
index 75a7bb5ad..7988680f1 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/Gamepad.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/Gamepad.java
@@ -206,11 +206,24 @@ public class Gamepad {
 
     private void updateMouseJoystick(MotionEvent event){
         GamepadJoystick currentJoystick = lastGrabbingState ? rightJoystick : leftJoystick;
-        lastHorizontalValue = currentJoystick.getHorizontalAxis(event);
-        lastVerticalValue = currentJoystick.getVerticalAxis(event);
+        float horizontalValue = currentJoystick.getHorizontalAxis(event);
+        float verticalValue = currentJoystick.getVerticalAxis(event);
+        if(horizontalValue != lastHorizontalValue || verticalValue != lastVerticalValue){
+            lastHorizontalValue = horizontalValue;
+            lastVerticalValue = verticalValue;
+
+            mouseMagnitude = currentJoystick.getMagnitude(event);
+            mouseAngle = currentJoystick.getAngleRadian(event);
+
+            tick(System.nanoTime());
+            return;
+        }
+        lastHorizontalValue = horizontalValue;
+        lastVerticalValue = verticalValue;
 
         mouseMagnitude = currentJoystick.getMagnitude(event);
         mouseAngle = currentJoystick.getAngleRadian(event);
+
     }
 
     private void updateDirectionalJoystick(MotionEvent event){