45 lines
2.3 KiB
C#
45 lines
2.3 KiB
C#
using System.Collections.Immutable;
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using SideScrollerGame.Sim.Definitions;
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using SideScrollerGame.Sim.Input;
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using SideScrollerGame.Sim.Math;
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namespace SideScrollerGame.Sim.Tests;
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public sealed class SimulationSerializationTests
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{
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[Fact]
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public void SaveStateLoadState_PreservesStateAndNextStepHash()
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{
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var definition = SimulationTestFactory.CreateGameDefinition(new(new(0, 0), new(50, 20)), triggers: ImmutableArray.Create(new TriggerDefinition("checkpoint_a", new(new(11, 17), new(12, 18)), "TriggerActivated")), players: ImmutableArray.Create(new PlayerDefinition(new(1), new(10, 20), 10, true, FixPoint16.One, FixPoint16.One, new(3), 1, 1)));
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var config = SimulationTestFactory.CreateConfig();
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Simulation original = new(definition, config, 17);
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original.Step(SimulationTestFactory.CreateTick(1, new MoveAxisChanged(new(1), 1, 1), new ButtonChanged(new(1), InputButton.Jump, true)));
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var bytes = original.SaveState();
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var loaded = Simulation.LoadState(bytes, definition, config);
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Assert.Equal(original.CurrentTick, loaded.CurrentTick);
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Assert.Equal(original.CurrentSnapshot.StateHash, loaded.CurrentSnapshot.StateHash);
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Assert.Equal(original.CurrentState.GetRequiredPlayer(new(1)).Health, loaded.CurrentState.GetRequiredPlayer(new(1)).Health);
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Assert.Equal(original.CurrentState.ActivatedTriggerIds, loaded.CurrentState.ActivatedTriggerIds);
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Assert.Equal(original.CurrentState.GetRequiredPlayer(new(1)).VerticalVelocity, loaded.CurrentState.GetRequiredPlayer(new(1)).VerticalVelocity);
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Assert.Equal(original.CurrentState.GetRequiredPlayer(new(1)).IsGrounded, loaded.CurrentState.GetRequiredPlayer(new(1)).IsGrounded);
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var nextBatch = SimulationTestFactory.CreateTick(2, new MoveAxisChanged(new(1), 0, 0), new ButtonChanged(new(1), InputButton.FirePrimary, true));
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var originalHash = original.Step(nextBatch).StateHash;
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var loadedHash = loaded.Step(nextBatch).StateHash;
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Assert.Equal(originalHash, loadedHash);
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}
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[Fact]
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public void Constructor_NormalizesZeroSeed()
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{
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Simulation simulation = new(SimulationTestFactory.CreateGameDefinition(), SimulationTestFactory.CreateConfig(), 0);
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simulation.Step(TickActionBatch.Empty(1));
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Assert.NotEqual(0UL, simulation.CurrentState.RandomState);
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}
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} |