From 34727294b732af9d8709699e852104f8716f72a5 Mon Sep 17 00:00:00 2001
From: igor <igor@kolokolnikov.dev>
Date: Tue, 31 Mar 2026 22:05:40 -0700
Subject: [PATCH] Clean up.

---
 handmade.c     | 113 +++++++++++++++----------------------------------
 handmade.h     |   9 ++--
 sdl_handmade.c |   4 ++
 3 files changed, 40 insertions(+), 86 deletions(-)

diff --git a/handmade.c b/handmade.c
index e57d85d..44aa6b9 100644
--- a/handmade.c
+++ b/handmade.c
@@ -8,6 +8,7 @@ static void GameOutputSound(game_state *GameState,
                             game_sound_output_buffer *SoundBuffer,
                             S32 ToneHz)
 {
+    /*
     S16 ToneVolume, *SampleOut;
     S32 WavePeriod, SampleIndex;
 
@@ -33,34 +34,7 @@ static void GameOutputSound(game_state *GameState,
             GameState->tSine -= 2.0f*(F32)PI;
         }
     }
-}
-
-static void RenderWeirdGradient(game_offscreen_buffer *Buffer, S32 XOffset,
-                                S32 YOffset)
-{
-    S32 Width, Height, Y;
-    U8 *Row;
-
-    Width = Buffer->Width;
-    Height = Buffer->Height;
-
-    Row = (U8 *)Buffer->Memory;
-    for(Y = 0; Y < Height; Y++) {
-        U32 *Pixel = (U32 *)Row;
-        S32 X;
-
-        Pixel = (U32 *)Row;
-        for(X = 0; X < Width; X++) {
-            U8 Blue, Green;
-
-            Blue = (U8)(X + XOffset);
-            Green = (U8)(Y + YOffset);
-
-            *Pixel = (Green << 8) | Blue;
-            Pixel++;
-        }
-        Row += Buffer->Pitch;
-    }
+    */
 }
 
 static void RenderRectangle(game_offscreen_buffer *Buffer, S32 MouseX,
@@ -99,30 +73,8 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
 
     GameState = (game_state *)Memory->PermanentStorage;
     if(!Memory->IsInitialized) {
-#if BUILD_INTERNAL
-        char *FileName;
-        debug_read_file_result BitmapMemory;
-
-        FileName = "/home/igor/Developer/handmade/sdl_handmade.cpp";
-        BitmapMemory = Memory->DEBUGPlatformReadEntireFile(Thread, FileName);
-        if(BitmapMemory.Contents) {
-            Memory->DEBUGPlatformWriteEntireFile(Thread, "test.out",
-                                                 BitmapMemory.ContentsSize,
-                                                 BitmapMemory.Contents);
-            Memory->DEBUGPlatformFreeFileMemory(Thread,
-                                                BitmapMemory.Contents);
-        }
-#endif
-
-        GameState->ToneHz = 256;
-        GameState->tSine = 0.0f;
-
-        /* TODO: Maybe more appropriate to do in the platform layer? */
         Memory->IsInitialized = TRUE;
     }
-    /* GameState.ToneHz; */
-    /* GameState.GreenOffset; */
-    /* GameState.BlueOffset; */
 
     for(ControllerIndex = 0;
         ControllerIndex < ARRAY_SIZE(Input->Controllers);
@@ -131,38 +83,39 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
         game_controller_input *Controller =
             GetController(Input, ControllerIndex);
         if(Controller->IsAnalog) {
-            GameState->GreenOffset +=
-                (int)(4.0f*(Controller->StickAverageY));
-            GameState->BlueOffset +=
-                (int)(4.0f*(Controller->StickAverageX));
-            GameState->ToneHz =
-                256 + (S32)(128.0f*(Controller->StickAverageY));
         } else {
-            if(Controller->u.buttons.MoveUp.EndedDown) {
-                GameState->GreenOffset -= 5;
-            }
-            if(Controller->u.buttons.MoveDown.EndedDown) {
-                GameState->GreenOffset += 5;
-            }
-            if(Controller->u.buttons.MoveLeft.EndedDown) {
-                GameState->BlueOffset -= 5;
-            }
-            if(Controller->u.buttons.MoveRight.EndedDown) {
-                GameState->BlueOffset += 5;
-            }
         }
     }
 
-    GameOutputSound(GameState, SoundBuffer, GameState->ToneHz);
-    RenderWeirdGradient(Buffer, GameState->BlueOffset,
-                        GameState->GreenOffset);
-    {
-        S32 i;
-        for(i = 0; i < (S32)ARRAY_SIZE(Input->MouseButtons); i++) {
-            if(Input->MouseButtons[i].EndedDown)
-                RenderRectangle(Buffer, 10 + 20 * i, 10);
-        }
-    }
-
-    RenderRectangle(Buffer, Input->MouseX, Input->MouseY);
+    GameOutputSound(GameState, SoundBuffer, 400);
 }
+
+/*
+static void RenderWeirdGradient(game_offscreen_buffer *Buffer, S32 XOffset,
+                                S32 YOffset)
+{
+    S32 Width, Height, Y;
+    U8 *Row;
+
+    Width = Buffer->Width;
+    Height = Buffer->Height;
+
+    Row = (U8 *)Buffer->Memory;
+    for(Y = 0; Y < Height; Y++) {
+        U32 *Pixel = (U32 *)Row;
+        S32 X;
+
+        Pixel = (U32 *)Row;
+        for(X = 0; X < Width; X++) {
+            U8 Blue, Green;
+
+            Blue = (U8)(X + XOffset);
+            Green = (U8)(Y + YOffset);
+
+            *Pixel = (Green << 8) | Blue;
+            Pixel++;
+        }
+        Row += Buffer->Pitch;
+    }
+}
+*/
diff --git a/handmade.h b/handmade.h
index 8a0283f..ae27746 100644
--- a/handmade.h
+++ b/handmade.h
@@ -86,7 +86,8 @@ typedef struct game_input {
     game_button_state MouseButtons[5];
     S32 MouseX, MouseY, MouseZ; /* NOTE: MouseZ is the wheel. */
 
-    /* TODO: Insert clock value here . . . */
+    F32 SecondsToAdvanceOverUpdate;
+
     game_controller_input Controllers[5];
 } game_input;
 
@@ -135,11 +136,7 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
  */
 
 typedef struct game_state {
-    S32 ToneHz;
-    S32 GreenOffset;
-    S32 BlueOffset;
-
-    F32 tSine;
+    void *filler;
 } game_state;
 
 #endif
diff --git a/sdl_handmade.c b/sdl_handmade.c
index 7e6b62b..440ae4c 100644
--- a/sdl_handmade.c
+++ b/sdl_handmade.c
@@ -712,6 +712,8 @@ S32 main(S32 argc, char *argv[])
         SDL_Renderer *Renderer;
 
         Renderer = SDL_CreateRenderer(Window, -1, SDL_RENDERER_PRESENTVSYNC);
+        SDL_SetWindowPosition(Window, 900, 300); /* TODO: Check that this
+                                                          works on Linux. */
         /* "Wayland needs an event loop and rendering or it won't function."
          * https://github.com/libsdl-org/SDL/issues/7699#issuecomment-1545684792 */
         /* NOTE: This means that we need to readraw to even resize the
@@ -821,6 +823,8 @@ S32 main(S32 argc, char *argv[])
                 OldInput = &Input[1];
                 memset(&Input, 0, sizeof(Input));
 
+                NewInput->SecondsToAdvanceOverUpdate = TargetSecondsPerFrame;
+
                 GlobalPerfCountFrequency = SDL_GetPerformanceFrequency();
 
                 Game = SDLLoadGameCode(SDLState.DLLPath);