From 0668d044b6d0f5debeadc070ccc4bbf2b25b27f1 Mon Sep 17 00:00:00 2001
From: Ellpeck <megamaximal@gmail.com>
Date: Thu, 29 Aug 2019 10:26:18 +0200
Subject: [PATCH] only check input for connected gamepads to increase
 performance

---
 MLEM/Input/InputHandler.cs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/MLEM/Input/InputHandler.cs b/MLEM/Input/InputHandler.cs
index a8a9983..c772448 100644
--- a/MLEM/Input/InputHandler.cs
+++ b/MLEM/Input/InputHandler.cs
@@ -25,6 +25,7 @@ namespace MLEM.Input {
         private readonly GamePadState[] lastGamepads = new GamePadState[GamePad.MaximumGamePadCount];
         private readonly GamePadState[] gamepads = new GamePadState[GamePad.MaximumGamePadCount];
         private readonly bool handleGamepads;
+        public int ConnectedGamepads { get; private set; }
 
         public InputHandler(bool handleKeyboard = true, bool handleMouse = true, bool handleGamepads = true) {
             this.handleKeyboard = handleKeyboard;
@@ -45,6 +46,8 @@ namespace MLEM.Input {
                 for (var i = 0; i < GamePad.MaximumGamePadCount; i++) {
                     this.lastGamepads[i] = this.gamepads[i];
                     this.gamepads[i] = GamePad.GetState(i);
+                    if (this.ConnectedGamepads > i && !this.gamepads[i].IsConnected)
+                        this.ConnectedGamepads = i;
                 }
             }
         }
@@ -112,7 +115,7 @@ namespace MLEM.Input {
 
         public bool IsGamepadButtonDown(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < GamePad.MaximumGamePadCount; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++)
                     if (this.GetGamepadState(i).IsButtonDown(button))
                         return true;
                 return false;
@@ -122,7 +125,7 @@ namespace MLEM.Input {
 
         public bool IsGamepadButtonUp(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < GamePad.MaximumGamePadCount; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++)
                     if (this.GetGamepadState(i).IsButtonUp(button))
                         return true;
                 return false;
@@ -132,7 +135,7 @@ namespace MLEM.Input {
 
         public bool WasGamepadButtonDown(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < GamePad.MaximumGamePadCount; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++)
                     if (this.GetLastGamepadState(i).IsButtonDown(button))
                         return true;
                 return false;
@@ -142,7 +145,7 @@ namespace MLEM.Input {
 
         public bool WasGamepadButtonUp(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < GamePad.MaximumGamePadCount; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++)
                     if (this.GetLastGamepadState(i).IsButtonUp(button))
                         return true;
                 return false;