Split gba color util file

include/structs/rgb.h

@@ -9,4 +9,21 @@ typedef struct RGB
     u8 unk4; // Never read, always 0x80. Unused transparency/alpha flag?
 } RGB;
 
+#define RGB_R 0
+#define RGB_G 1
+#define RGB_B 2
+#define RGB_UNK 3
+#define RGB_FIELDS_COUNT 4
+
+typedef struct RGB_Array
+{
+    u8 c[RGB_FIELDS_COUNT];
+} RGB_Array;
+
+typedef union RGB_Union
+{
+    RGB_Array asArr;
+    RGB separate;
+} RGB_Union;
+
 #endif // GUARD_RGB_H

include/structs/str_3000400.h

@@ -1,6 +0,0 @@
-#ifndef GUARD_STR_3000400_H
-#define GUARD_STR_3000400_H
-
-#include "code_8002774.h"
-
-#endif // GUARD_STR_3000400_H