Improve worldpos.h

src/rpg/entity/entity.c

@@ -67,11 +67,11 @@ void entityWalk(entity_t *entity, const entitydir_t direction) {
   entity->direction = direction;
 
   // Where are we moving?
-  uint8_t newX, newY;
+  worldunit_t newX, newY;
   newX = entity->position.x;
   newY = entity->position.y;
   {
-    int8_t relX, relY;
+    worldunits_t relX, relY;
     entityDirGetRelative(direction, &relX, &relY);
     newX += relX;
     newY += relY;