Made input work on fixed timesteps primarily.

src/rpg/entity/entity.h

@@ -8,24 +8,17 @@
 #pragma once
 #include "entitydir.h"
 #include "entityanim.h"
-#include "rpg/entity/player.h"
+#include "entitytype.h"
 #include "npc.h"
-#include "rpg/world/worldpos.h"
 
 #define ENTITY_COUNT 256
 
 typedef struct map_s map_t;
 
-typedef enum {
-  ENTITY_TYPE_NULL,
-  ENTITY_TYPE_PLAYER,
-  ENTITY_TYPE_NPC,
-  ENTITY_TYPE_COUNT
-} entitytype_t;
-
 typedef struct entity_s {
   uint8_t id;
   entitytype_t type;
+  entitytypedata_t;
 
   // Movement
   entitydir_t direction;
@@ -33,11 +26,6 @@ typedef struct entity_s {
 
   entityanim_t animation;
   uint8_t animFrame;
-  
-  union {
-    player_t player;
-    npc_t npc;
-  };
 } entity_t;
 
 extern entity_t ENTITIES[ENTITY_COUNT];