/// <summary>
/// Adds an Entity to be part of the engine and the world
/// </summary>
/// <param name="xmasEntity">The entity added to world</param>
/// <param name="info">Information regarding where and how to add the entity</param>
/// <returns>whether or not the adding of the entity was successful</returns>
public bool AddEntity(XmasEntity xmasEntity, EntitySpawnInformation info)
{
xmasEntity.Load();
if (xmasEntity is Agent)
{
Agent agent = xmasEntity as Agent;
Agent otheragent;
if(string.IsNullOrEmpty(agent.Name))
throw new AgentHasNoNameException(agent);
else if (agentLookup.TryGetValue(agent.Name, out otheragent))
{
throw new AgentAlreadyExistsException(agent, otheragent);
}
else
{
agentLookup.Add(agent.Name,agent);
}
}
bool entityadded = OnAddEntity(xmasEntity, info);
if (entityadded)
{
xmasEntity.Id = nextId;
this.entityLookup.Add(xmasEntity.Id,xmasEntity);
nextId++;
EventManager.Raise(new EntityAddedEvent(xmasEntity,info.Position));
this.evtman.AddEntity(xmasEntity);
xmasEntity.OnEnterWorld();
}
return entityadded;
}
/// <summary> /// Override this method to intercept when a entity is added /// </summary> /// <param name="xmasEntity">The entity to be added</param> /// <param name="info">information of the entity</param> /// <returns>Whether the entity could be added</returns> protected abstract bool OnAddEntity(XmasEntity xmasEntity, EntitySpawnInformation info);
/// <summary>
/// Stores information on how an entity should be added when the world is being built
/// </summary>
/// <param name="ent">The entity constructor for the entity to be added</param>
/// <param name="info">Information on how to add the entity</param>
public void AddEntity(Func<XmasEntity> ent, EntitySpawnInformation info)
{
buildactions.Add(() => new AddEntityAction(ent(), info));
}
public AddEntityAction(XmasEntity ent, EntitySpawnInformation info)
{
this.ent = ent;
this.info = info;
}
/// <summary>
/// Stores information on how an entity should be added when the world is being built
/// </summary>
/// <param name="ent">The entity to be added</param>
/// <param name="info">Information on how to add the entity</param>
public void AddEntity(XmasEntity ent, EntitySpawnInformation info)
{
buildactions.Add(new AddEntityAction(ent, info));
}
//Override this to provide a way to insert the agent
protected override bool OnAddEntity(XmasEntity xmasEntity, EntitySpawnInformation info)
{
var spawn = (VacuumSpawnInformation)info;
var spawnloc = (VacuumPosition)spawn.Position;
if (xmasEntity is VacuumCleanerAgent)
{
vacuumTiles[spawnloc.PosID] = xmasEntity as VacuumCleanerAgent;
return true;
}
else if (xmasEntity is DirtEntity)
{
dirtTiles[spawnloc.PosID] = xmasEntity as DirtEntity;
return true;
}
return false;
}
protected override bool OnAddEntity(XmasEntity xmasEntity, EntitySpawnInformation info)
{
TilePosition tilePos = (TilePosition) info.Position;
return AddEntity(xmasEntity, tilePos);
}