Entity

src/rpg/entity/entity.c

@@ -46,8 +46,66 @@ void entityUpdate(entity_t *entity) {
   assertTrue(entity->type < ENTITY_TYPE_COUNT, "Invalid entity type");
   assertTrue(entity->type != ENTITY_TYPE_NULL, "Cannot have NULL entity type");
 
+  // What state is the entity in?
+  if(entity->animation != ENTITY_ANIM_IDLE) {
+    // Entity is mid animation, tick it (down).
+    entity->animFrame--;
+    if(entity->animFrame == 0) entity->animation = ENTITY_ANIM_IDLE;
+    return;
+  }
+
   // Movement code.
   if(entity->type == ENTITY_TYPE_PLAYER) {
     playerMovement(entity);
   }
+}
+
+void entityTurn(entity_t *entity, const entitydir_t direction) {
+  entity->direction = direction;
+  entity->animation = ENTITY_ANIM_TURN;
+  entity->animFrame = ENTITY_ANIM_TURN_DURATION;
+}
+
+
+void entityWalk(entity_t *entity, const entitydir_t direction) {
+  // TODO: Animation, delay, etc.
+  entity->direction = direction;
+
+  // Where are we moving?
+  uint8_t newX, newY;
+  newX = entity->position.x;
+  newY = entity->position.y;
+  {
+    int8_t relX, relY;
+    entityDirGetRelative(direction, &relX, &relY);
+    newX += relX;
+    newY += relY;
+  }
+
+  // TODO: Tile in way?
+  // TODO: Map bounds in way?
+
+  // Entity in way?
+  // entity_t *start = GAME.overworld.map.entities;
+  // entity_t *end = start + MAP_ENTITY_COUNT;
+  // while(start < end) {
+  //   if(
+  //     start == entity ||
+  //     entity->type == ENTITY_TYPE_NULL ||
+  //     start->position.x != newX ||
+  //     start->position.y != newY
+  //   ) {
+  //     start++;
+  //     continue;
+  //   }
+
+  //   return;// Blocked
+  // }
+
+  // Move.
+  entity->position.x = newX;
+  entity->position.y = newY;
+
+  entity->animation = ENTITY_ANIM_WALK;
+  entity->animFrame = ENTITY_ANIM_WALK_DURATION;// TODO: Running vs walking
 }