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encompass-cs
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fix bug when no messages existed for queried entity

pull/5/head
Evan Hemsley 2019-12-29 20:41:35 -08:00
parent df7abf4cf3
commit 9057228795
2 changed files with 15 additions and 1 deletions
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2
encompass-cs/Collections/TypedMessageStore.cs
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@ -90,7 +90,7 @@ namespace Encompass
public IEnumerable<TMessage> WithEntity(int entityID) public IEnumerable<TMessage> WithEntity(int entityID)
{ {
return entityToMessage[entityID]; return entityToMessage.ContainsKey(entityID) ? entityToMessage[entityID] : System.Linq.Enumerable.Empty<TMessage>();
} }
public override void Clear() public override void Clear()

14
test/EngineTest.cs
View File

@ -483,6 +483,20 @@ namespace Tests
entityMessageResults.Should().ContainEquivalentOf(new EntityMessage(entity, 5)); entityMessageResults.Should().ContainEquivalentOf(new EntityMessage(entity, 5));
} }
[Test]
public void NoMessagesWithEntity()
{
var worldBuilder = new WorldBuilder();
var entity = worldBuilder.CreateEntity();
worldBuilder.AddEngine(new EntityMessageReceiverEngine(entity));
var world = worldBuilder.Build();
world.Update(0.01);
entityMessageResults.Should().BeEmpty();
}
class SomeComponentTestEngine : Engine class SomeComponentTestEngine : Engine
{ {
public override void Update(double dt) public override void Update(double dt)