From f5ade9fb19a4e7f302d97094eb2ffc86cf64d9db Mon Sep 17 00:00:00 2001
From: Alexander Batalov <alex.batalov@gmail.com>
Date: Sun, 16 Feb 2025 10:56:28 +0300
Subject: [PATCH] Remove idle func

---
 src/input.cc | 34 +---------------------------------
 src/input.h  |  3 ---
 2 files changed, 1 insertion(+), 36 deletions(-)

diff --git a/src/input.cc b/src/input.cc
index a74eee4..ff2f3c9 100644
--- a/src/input.cc
+++ b/src/input.cc
@@ -45,11 +45,6 @@ static void screenshotBlitter(unsigned char* src, int src_pitch, int a3, int x,
 static void buildNormalizedQwertyKeys();
 static void _GNW95_process_key(KeyboardData* data);
 
-static void idleImpl();
-
-// 0x51E234
-static IdleFunc* _idle_func = nullptr;
-
 // 0x51E23C
 static int gKeyboardKeyRepeatRate = 80;
 
@@ -149,10 +144,6 @@ int inputInit(int a1)
     gTickerListHead = nullptr;
     gScreenshotKeyCode = KEY_ALT_C;
 
-    // SFALL: Set idle function.
-    // CE: Prevents frying CPU when window is not focused.
-    inputSetIdleFunc(idleImpl);
-
     return 0;
 }
 
@@ -696,22 +687,6 @@ int inputGetKeyboardKeyRepeatDelay()
     return gKeyboardKeyRepeatDelay;
 }
 
-// NOTE: Unused.
-//
-// 0x4C9448
-void inputSetIdleFunc(IdleFunc* func)
-{
-    _idle_func = func;
-}
-
-// NOTE: Unused.
-//
-// 0x4C9450
-IdleFunc* inputGetIdleFunc()
-{
-    return _idle_func;
-}
-
 // 0x4C9490
 static void buildNormalizedQwertyKeys()
 {
@@ -1171,17 +1146,10 @@ void _GNW95_lost_focus()
     while (!gProgramIsActive) {
         _GNW95_process_message();
 
-        if (_idle_func != nullptr) {
-            _idle_func();
-        }
+        SDL_Delay(125);
     }
 }
 
-static void idleImpl()
-{
-    SDL_Delay(125);
-}
-
 void beginTextInput()
 {
     SDL_StartTextInput();
diff --git a/src/input.h b/src/input.h
index 8d518be..c4db850 100644
--- a/src/input.h
+++ b/src/input.h
@@ -3,7 +3,6 @@
 
 namespace fallout {
 
-typedef void(IdleFunc)();
 typedef void(TickerProc)();
 
 typedef int(PauseHandler)();
@@ -35,8 +34,6 @@ void inputSetKeyboardKeyRepeatRate(int value);
 int inputGetKeyboardKeyRepeatRate();
 void inputSetKeyboardKeyRepeatDelay(int value);
 int inputGetKeyboardKeyRepeatDelay();
-void inputSetIdleFunc(IdleFunc* func);
-IdleFunc* inputGetIdleFunc();
 int _GNW95_input_init();
 void _GNW95_process_message();
 void _GNW95_clear_time_stamps();