Day 25 done.

handmade.c

@@ -63,17 +63,39 @@ static void RenderWeirdGradient(game_offscreen_buffer *Buffer, S32 XOffset,
     }
 }
 
-void UpdateAndRender(game_memory *Memory, game_input *Input,
-                     game_offscreen_buffer *Buffer,
+static void RenderRectangle(game_offscreen_buffer *Buffer, S32 MouseX,
+                            S32 MouseY)
+{
+    U8 *Row;
+    U32 *Pixel;
+    S32 X, Y;
+
+    for(Y = MouseY; Y < MouseY+10; Y++) {
+        if(Y >= Buffer->Height)
+            break;
+
+        Row = (U8 *)Buffer->Memory + (Buffer->Pitch * Y);
+        for(X = MouseX; X < MouseX+10; X++) {
+            if(X >= Buffer->Width)
+                break;
+
+            Pixel = (U32 *)Row + X;
+            *Pixel = 0xFFFFFF;
+        }
+    }
+}
+
+void UpdateAndRender(thread_context *Thread, game_memory *Memory,
+                     game_input *Input, game_offscreen_buffer *Buffer,
                      game_sound_output_buffer *SoundBuffer)
 {
     game_state *GameState;
     U32 ControllerIndex;
 
-    Assert((&Input->Controllers[0].u.buttons.Terminator -
+    ASSERT((&Input->Controllers[0].u.buttons.Terminator -
             &Input->Controllers[0].u.Buttons[0]) ==
                               ARRAY_SIZE(Input->Controllers[0].u.Buttons));
-    Assert(sizeof(game_state) <= Memory->PermanentStorageSize);
+    ASSERT(sizeof(game_state) <= Memory->PermanentStorageSize);
 
     GameState = (game_state *)Memory->PermanentStorage;
     if(!Memory->IsInitialized) {
@@ -82,12 +104,13 @@ void UpdateAndRender(game_memory *Memory, game_input *Input,
         debug_read_file_result BitmapMemory;
 
         FileName = "/home/igor/Developer/handmade/sdl_handmade.cpp";
-        BitmapMemory = Memory->DEBUGPlatformReadEntireFile(FileName);
+        BitmapMemory = Memory->DEBUGPlatformReadEntireFile(Thread, FileName);
         if(BitmapMemory.Contents) {
-            Memory->DEBUGPlatformWriteEntireFile("test.out",
+            Memory->DEBUGPlatformWriteEntireFile(Thread, "test.out",
                                                  BitmapMemory.ContentsSize,
                                                  BitmapMemory.Contents);
-            Memory->DEBUGPlatformFreeFileMemory(BitmapMemory.Contents);
+            Memory->DEBUGPlatformFreeFileMemory(Thread,
+                                                BitmapMemory.Contents);
         }
 #endif
 
@@ -133,4 +156,13 @@ void UpdateAndRender(game_memory *Memory, game_input *Input,
     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);
 }