From 04cb05fce01d95941a7bbc6edfe2b5be80aeea1d Mon Sep 17 00:00:00 2001
From: MonsterDruide1 <5958456@gmail.com>
Date: Tue, 3 Jan 2023 20:08:25 +0100
Subject: TAS: Immediately switch stick to TAS on input

Co-Authored-By: Narr the Reg <5944268+german77@users.noreply.github.com>
---
 src/core/hid/emulated_controller.cpp | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
index 5587ee097..71364c323 100644
--- a/src/core/hid/emulated_controller.cpp
+++ b/src/core/hid/emulated_controller.cpp
@@ -11,6 +11,11 @@
 namespace Core::HID {
 constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
 constexpr s32 HID_TRIGGER_MAX = 0x7fff;
+// Use a common UUID for TAS and Virtual Gamepad
+constexpr Common::UUID TAS_UUID =
+    Common::UUID{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0xA5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}};
+constexpr Common::UUID VIRTUAL_UUID =
+    Common::UUID{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0xFF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}};
 
 EmulatedController::EmulatedController(NpadIdType npad_id_type_) : npad_id_type(npad_id_type_) {}
 
@@ -348,10 +353,6 @@ void EmulatedController::ReloadInput() {
         }
     }
 
-    // Use a common UUID for TAS
-    static constexpr Common::UUID TAS_UUID = Common::UUID{
-        {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0xA5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}};
-
     // Register TAS devices. No need to force update
     for (std::size_t index = 0; index < tas_button_devices.size(); ++index) {
         if (!tas_button_devices[index]) {
@@ -377,10 +378,6 @@ void EmulatedController::ReloadInput() {
         });
     }
 
-    // Use a common UUID for Virtual Gamepad
-    static constexpr Common::UUID VIRTUAL_UUID = Common::UUID{
-        {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0xFF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}};
-
     // Register virtual devices. No need to force update
     for (std::size_t index = 0; index < virtual_button_devices.size(); ++index) {
         if (!virtual_button_devices[index]) {
@@ -780,7 +777,12 @@ void EmulatedController::SetStick(const Common::Input::CallbackStatus& callback,
 
     // Only read stick values that have the same uuid or are over the threshold to avoid flapping
     if (controller.stick_values[index].uuid != uuid) {
-        if (!stick_value.down && !stick_value.up && !stick_value.left && !stick_value.right) {
+        const bool is_tas = uuid == TAS_UUID;
+        if (is_tas && stick_value.x.value == 0 && stick_value.y.value == 0) {
+            return;
+        }
+        if (!is_tas && !stick_value.down && !stick_value.up && !stick_value.left &&
+            !stick_value.right) {
             return;
         }
     }
-- 
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