From 729545a9461a59e6e2b986db3aeb0346624ac8d8 Mon Sep 17 00:00:00 2001
From: german77 <juangerman-13@hotmail.com>
Date: Sun, 25 Apr 2021 11:45:42 -0500
Subject: input_common: Reset GC sticks center by measuring multiple packets

---
 src/input_common/gcadapter/gc_adapter.cpp | 8 ++++++--
 src/input_common/gcadapter/gc_adapter.h   | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/input_common/gcadapter')

diff --git a/src/input_common/gcadapter/gc_adapter.cpp b/src/input_common/gcadapter/gc_adapter.cpp
index ec3167bea..320f51ee6 100644
--- a/src/input_common/gcadapter/gc_adapter.cpp
+++ b/src/input_common/gcadapter/gc_adapter.cpp
@@ -155,8 +155,12 @@ void Adapter::UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_pa
     for (const PadAxes axis : axes) {
         const auto index = static_cast<std::size_t>(axis);
         const u8 axis_value = adapter_payload[offset + 3 + index];
-        if (pads[port].axis_origin[index] == 255) {
+        if (pads[port].reset_origin_counter <= 18) {
+            if (pads[port].axis_origin[index] != axis_value) {
+                pads[port].reset_origin_counter = 0;
+            }
             pads[port].axis_origin[index] = axis_value;
+            pads[port].reset_origin_counter++;
         }
         pads[port].axis_values[index] =
             static_cast<s16>(axis_value - pads[port].axis_origin[index]);
@@ -375,7 +379,7 @@ void Adapter::ResetDevice(std::size_t port) {
     pads[port].buttons = 0;
     pads[port].last_button = PadButton::Undefined;
     pads[port].axis_values.fill(0);
-    pads[port].axis_origin.fill(255);
+    pads[port].reset_origin_counter = 0;
 }
 
 void Adapter::Reset() {
diff --git a/src/input_common/gcadapter/gc_adapter.h b/src/input_common/gcadapter/gc_adapter.h
index 7a6c545bd..e5de5e94f 100644
--- a/src/input_common/gcadapter/gc_adapter.h
+++ b/src/input_common/gcadapter/gc_adapter.h
@@ -70,6 +70,7 @@ struct GCController {
     PadButton last_button{};
     std::array<s16, 6> axis_values{};
     std::array<u8, 6> axis_origin{};
+    u8 reset_origin_counter{};
 };
 
 class Adapter {
-- 
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