Merge pull request #450 from PikalaxALT/flatten_sprite_pos

Flatten pos fields in struct Sprite

include/sprite.h

@@ -197,8 +197,8 @@ struct Sprite
     /*0x18*/ const struct SubspriteTable *subspriteTables;
     /*0x1C*/ SpriteCallback callback;
 
-    /*0x20*/ struct Coords16 pos1;
-    /*0x24*/ struct Coords16 pos2;
+    /*0x20*/ s16 x, y;
+    /*0x24*/ s16 x2, y2;
     /*0x28*/ s8 centerToCornerVecX;
     /*0x29*/ s8 centerToCornerVecY;