Decompile some functions

include/common.h

@@ -20,7 +20,10 @@ extern Input gInput; /**< Input instance. */
 typedef struct {
     u8 evt_type;
     u8 entity_idx;
-    u8 _2[6];
+    u8 _2;
+    u8 _3;
+    u16 _4;
+    u16 _6;
     u16 x;
     u16 y;
     u16 _c;

include/player.h

@@ -376,7 +376,7 @@ void sub_08077728(u32);
 void PutAwayItems(void);
 void sub_08079E58(s32 speed, u32 direction);
 void RespawnPlayer(void);
-u32 GetSurfaceCalcType(Entity*, u32, u32);
+u32 GetSurfaceCalcType(Entity*, s32, s32);
 void UpdatePlayerMovement(void);
 void EnablePlayerDraw(Entity*);
 void sub_080797EC(void);