From 7173a51c1a283a5e1a2eebdb7cb04dd1eb07495b Mon Sep 17 00:00:00 2001
From: 9R <git@9-r.net>
Date: Thu, 6 Apr 2023 21:23:42 +0200
Subject: [PATCH] add last_wasd to stop register_keycode spam

---
 .../handwired/replicazeron/common/thumbstick.c  | 17 ++++++++++-------
 .../handwired/replicazeron/common/thumbstick.h  |  3 ++-
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/keyboards/handwired/replicazeron/common/thumbstick.c b/keyboards/handwired/replicazeron/common/thumbstick.c
index 1d5dfc270c7..a96d123c63d 100644
--- a/keyboards/handwired/replicazeron/common/thumbstick.c
+++ b/keyboards/handwired/replicazeron/common/thumbstick.c
@@ -18,6 +18,7 @@
 
 void init_wasd_state (void) {
     wasd_state.w = wasd_state.a = wasd_state.s = wasd_state.d = false;
+    last_wasd_state = wasd_state;
     wasd_state.shift = false;
 }
 
@@ -47,10 +48,10 @@ bool update_keystate(uint16_t angle_from, uint16_t angle_to, uint16_t angle) {
     return (angle_from < angle && angle <= angle_to);
 }
 
-void update_keycode(uint16_t keycode, bool keystate) {
-    if (keystate) {
+void update_keycode(uint16_t keycode, bool keystate, bool last_keystate) {
+    if (keystate && keystate != last_keystate) {
         register_code16(keycode);
-    } else {
+    } else if (!keystate) {
         unregister_code16(keycode);
     }
 }
@@ -89,10 +90,12 @@ void thumbstick(controller_state_t controller_state) {
     dprintf("w: %2d a: %2d s: %2d d: %2d\n", wasd_state.w, wasd_state.a, wasd_state.s, wasd_state.d);
 #endif
 
-    update_keycode(KC_W, wasd_state.w);
-    update_keycode(KC_A, wasd_state.a);
-    update_keycode(KC_S, wasd_state.s);
-    update_keycode(KC_D, wasd_state.d);
+    update_keycode(KC_W, wasd_state.w, last_wasd_state.w);
+    update_keycode(KC_A, wasd_state.a, last_wasd_state.a);
+    update_keycode(KC_S, wasd_state.s, last_wasd_state.s);
+    update_keycode(KC_D, wasd_state.d, last_wasd_state.d);
+
+    last_wasd_state = wasd_state ;
 
     // handle WASD-Shift mode
     if (controller_state.wasdShiftMode) {
diff --git a/keyboards/handwired/replicazeron/common/thumbstick.h b/keyboards/handwired/replicazeron/common/thumbstick.h
index 175d1df4fb9..7c784de4564 100644
--- a/keyboards/handwired/replicazeron/common/thumbstick.h
+++ b/keyboards/handwired/replicazeron/common/thumbstick.h
@@ -40,6 +40,7 @@ typedef struct {
 thumbstick_polar_position_t thumbstick_polar_position ;
 
 wasd_state_t wasd_state;
+wasd_state_t last_wasd_state;
 
 void init_wasd_state(void);
 
@@ -47,6 +48,6 @@ thumbstick_polar_position_t get_thumbstick_polar_position(int16_t x, int16_t y);
 
 bool update_keystate(uint16_t angle_from, uint16_t angle_to, uint16_t angle);
 
-void update_keycode(uint16_t keycode, bool keystate);
+void update_keycode(uint16_t keycode, bool keystate, bool last_keystate);
 
 void thumbstick(controller_state_t controller_state);