- decompile slime and fireball guy

- continue percy decompile
- move entity function definitions to entity header

include/entity.h

@@ -167,7 +167,10 @@ extern void SetSpriteSubEntryOffsetData2(Entity*, u32, u32);
 
 extern u32 GetFacingDirection(Entity*, Entity*);
 
-extern void DeleteThisEntity();
+extern void DeleteThisEntity(void);
+extern void CopyPosition(Entity*, Entity*);
+extern void DeleteEntity(Entity*);
+extern void PositionRelative(Entity*, Entity*, s32, s32);
 
 extern Entity gUnk_03003DA0;
 

include/room.h

@@ -27,8 +27,10 @@ typedef struct {
     u8 screenShakeMagnitude;
     u8 unk7;
     u16 screenShakeTime;
-    u16 filler2[6];
-    u8 filler3[4];
+    u16 filler2[3];
+    u16 width;
+    u16 height;
+    u8 filler3[6];
     union SplitWord bg3OffsetX;
     union SplitWord bg3OffsetY;
     Entity* cameraTarget;