/// <summary>
/// Drop first item in inventory back into the world
/// </summary>
/// <param name="world"></param>
public void DropItem(World world)
{
PointF dropLocation = GetLocationInFrontOfPlayer();
// Check if item can be dropped on target from dropLocation
bool isLand = world.getTerraintile(dropLocation).IsWalkable;
bool hasSolidEntitiesOnTarget = world.checkCollision(this, dropLocation);
List<Entity> entitiesOnTerrainTile = world.getEntitiesOnTerrainTile(location);
List<Entity> entitiesOnTargetTerrainTile = world.getEntitiesOnTerrainTile(dropLocation);
bool hasWaterlilyOnTarget = entitiesOnTargetTerrainTile.Exists(e => e.getSpriteID() == (int) SPRITES.waterlily);
// If no item exists in inventory or
// there is a solid target on dropLocation or
// targettile is not land, return
if (!Inventory.Any() || hasSolidEntitiesOnTarget ||
(!isLand && !hasWaterlilyOnTarget))
return;
// If item is key, lock door
if (Inventory[0].Entity is Key)
{
// If player is standing in a door, cancel action
if (entitiesOnTerrainTile.Exists(e => e is Door))
return;
world.LockDoor((Key)Inventory[0].Entity);
}
// Set droplocation on item
Inventory[0].Entity.setLocation(dropLocation);
// Push item in world objects list
world.getEntities().Add(Inventory[0].Entity);
// Remove item from inventory
Inventory.RemoveAt(0);
}
/// <summary>
/// Pickup first item on given tile
/// </summary>
/// <param name="w"></param>
public void PickupItems(World w)
{
if (Inventory.Count >= 10) return;
// Get a list with nonSolid entities on terrain tile and filter for bananas or keys
List<Entity> EntitiesOnTile =
w.getEntitiesOnTerrainTile(getLocation(), true)
.Where(e => e.getType() == ENTITIES.fruit || e.getType() == ENTITIES.key)
.ToList();
// If there's nothing in the list of entities, return;
if (EntitiesOnTile.Count == 0) return;
// Add first item of list to inventory
Inventory.Add(new Item(EntitiesOnTile[0]));
// If key is picked up, unlock door
if (EntitiesOnTile[0] is Key)
w.UnlockDoor((Key)EntitiesOnTile[0]);
// Remove item from world
w.getEntities().Remove(EntitiesOnTile[0]);
}
