89 lines
2.7 KiB
C#
89 lines
2.7 KiB
C#
using OpenTK.Mathematics;
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using VoxelEngine.World;
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using VoxelEngine.World.Blocks;
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using VoxelEngine.World.Persistence;
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using Xunit;
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using VoxelChunk = VoxelEngine.World.Chunk.Chunk;
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namespace VoxelEngine.Tests;
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public class WorldTests
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{
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private static (IWorld, BlockRegistry, IChunkModificationStore) Create()
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{
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var registry = new BlockRegistry();
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var store = new InMemoryChunkModificationStore();
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IWorld world = new World.World(registry, store);
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return (world, registry, store);
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}
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[Fact]
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public void SetBlock_LoadedChunk_WritesBlockAndRecordsDiff()
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{
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var (world, registry, store) = Create();
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var chunkPos = new Vector3i(0, 0, 0);
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world.SetChunk(chunkPos, new VoxelChunk());
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bool result = world.SetBlock(2, 3, 4, registry.Stone.Id);
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Assert.True(result);
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Assert.Equal(registry.Stone.Id, world.GetBlock(2, 3, 4).Id);
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Assert.True(store.HasDiff(chunkPos));
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Assert.True(store.TryGetDiff(chunkPos, out var diff));
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int expectedIndex = (2 * VoxelChunk.Size + 3) * VoxelChunk.Size + 4;
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Assert.Equal(registry.Stone.Id, diff![expectedIndex]);
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}
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[Fact]
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public void SetBlock_UnloadedChunk_RecordsDiffButReturnsFalse()
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{
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var (world, registry, store) = Create();
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var chunkPos = new Vector3i(5, 0, 0);
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bool result = world.SetBlock(5 * VoxelChunk.Size, 0, 0, registry.Stone.Id);
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Assert.False(result);
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Assert.True(store.HasDiff(chunkPos));
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}
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[Fact]
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public void GetBlock_UnloadedChunk_ReturnsAir()
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{
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var (world, registry, _) = Create();
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Assert.Same(registry.Air, world.GetBlock(0, 0, 0));
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}
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[Fact]
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public void SetBlock_NegativeCoords_FloorsToCorrectChunk()
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{
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var (world, registry, store) = Create();
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var chunkPos = new Vector3i(-1, 0, 0);
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world.SetChunk(chunkPos, new VoxelChunk());
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bool result = world.SetBlock(-1, 0, 0, registry.Stone.Id);
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Assert.True(result);
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Assert.Equal(registry.Stone.Id, world.GetBlock(-1, 0, 0).Id);
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Assert.True(store.HasDiff(chunkPos));
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}
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[Fact]
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public void RemoveChunk_RemovesAndGetBlockReturnsAir()
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{
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var (world, registry, _) = Create();
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var chunkPos = new Vector3i(0, 0, 0);
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world.SetChunk(chunkPos, new VoxelChunk());
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world.RemoveChunk(chunkPos);
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Assert.Null(world.GetChunk(chunkPos));
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Assert.Same(registry.Air, world.GetBlock(0, 0, 0));
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}
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[Fact]
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public void ModificationStore_AccessorReturnsConstructorInjectedStore()
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{
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var (world, _, store) = Create();
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Assert.Same(store, world.ModificationStore);
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}
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}
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