Implement native layout-3 save restoration
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gamer147
226
engine/Age.Engine.Tests/NumberedSaveVmTests.cs
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226
engine/Age.Engine.Tests/NumberedSaveVmTests.cs
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using Age.Engine.Model;
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using Age.Engine.Persistence;
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using Age.Engine.Sys4;
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using Age.Engine.Vm;
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using System.Buffers.Binary;
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public class NumberedSaveVmTests
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{
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private const int Immediate = 0;
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private const int GlobalInt = 3;
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private const int LocalInt = 9;
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private static readonly OpcodeTable Table = OpcodeTableJson.Load(Paths.OpcodesJson);
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private static readonly NativeSaveIdentity Identity =
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new(NativeSaveMagic.S4SD, 0x4a343234, "numbered-vm-test", 3, 10, 0x42323234);
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[Fact]
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public void SaveOpcodeWritesLayoutThreeStateHistoryAndRetainedGfx()
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{
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string root = NewTemporaryDirectory();
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try
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{
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var store = new DirectoryNativeDatStore(root, Identity);
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Script script = WithPackedId(ScriptAssembler.Assemble(Table, "SAVE_TEST.BIN",
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[
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(0x1ad, Array.Empty<Operand>()),
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(0x19e, [new Operand(GlobalInt, 0x20), new Operand(Immediate, 2)]),
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(0x2, Array.Empty<Operand>()),
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], []), 0x77);
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var history = new AdvTextHistory();
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history.DefineLayout(1, 400, 120, 75, 340);
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history.AppendText(1, 0x40, "保存", AdvTextStyle.Default);
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var vm = new VirtualMachine(
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script, Table, new RecordingHost(), textHistory: history, nativeDatStore: store);
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vm.Globals[0x123] = 456;
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vm.GlobalFloats[0] = BitConverter.SingleToInt32Bits(2.5f);
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vm.GlobalStrings[4] = "姫狩り";
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vm.Gfx.SetSurface(3, 0x1234, 0xff00ff);
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vm.Gfx.BindDraw(100, 3, 1, 2, 30, 40, 50, 60);
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vm.Run();
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Assert.Equal(0, vm.Globals[0x20]);
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NativeNumberedSaveFile file = store.LoadNumberedFile(2)!;
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NativeNumberedSaveState state = NativeNumberedSaveCodec.Decode(file.Document.Payload);
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Assert.Equal(0x6241b, state.IntegerGlobals.Count);
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Assert.Equal(456, state.IntegerGlobals[0x123]);
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Assert.Equal("姫狩り", state.StringGlobals[4]);
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Assert.Equal(0x77u, state.Frames.Single().ScriptId);
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Assert.Contains(state.GfxObjects, item => item.Handle == 100);
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var restoredHistory = new AdvTextHistory();
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NativeTextHistoryCodec.DecodeInto(file.HistoryTail, restoredHistory);
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Assert.Equal("保存", restoredHistory.Records.Single().Text);
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Assert.NotNull(store.LoadShared());
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}
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finally
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{
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Directory.Delete(root, recursive: true);
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}
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}
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[Fact]
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public void FullLoadRestoresBanksThenResumesSavedScriptThroughOpcodeAe()
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{
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string root = NewTemporaryDirectory();
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try
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{
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var store = new DirectoryNativeDatStore(root, Identity);
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Script resumed = WithTables(WithPackedId(ScriptAssembler.Assemble(Table, "RESUMED.BIN",
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[
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(0xae, Array.Empty<Operand>()),
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(0x3, [new Operand(Immediate, 0x89)]),
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(Table.ByLabel("mov")!.Value,
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[new Operand(GlobalInt, 0x500), new Operand(GlobalInt, 0x123)]),
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(0x2, Array.Empty<Operand>()),
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], []), 0x88), scriptCallOffsets: [1]);
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Script child = WithPackedId(ScriptAssembler.Assemble(Table, "CHILD.BIN",
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[
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(0xae, Array.Empty<Operand>()),
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(Table.ByLabel("mov")!.Value,
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[new Operand(GlobalInt, 0x501), new Operand(GlobalInt, 0x123)]),
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(0x2, Array.Empty<Operand>()),
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], []), 0x89);
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Script loader = WithPackedId(ScriptAssembler.Assemble(Table, "LOADER.BIN",
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[
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(0x1a1, [new Operand(LocalInt, 0), new Operand(Immediate, 1)]),
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(0x2, Array.Empty<Operand>()),
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], []), 0x99);
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Script callback = WithPackedId(ScriptAssembler.Assemble(Table, "CALLBACK_LOAD.BIN",
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[
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(Table.ByLabel("mov")!.Value,
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[new Operand(GlobalInt, 0x502), new Operand(Immediate, 1)]),
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(0x2, Array.Empty<Operand>()),
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], []), 0x90);
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NativeNumberedSaveState state = NativeNumberedSaveCodec.Empty(
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[
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new NativeSavedScriptFrame(-1, 0x88, Array.Empty<int>(), -1, 0),
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new NativeSavedScriptFrame(0, 0x89, Array.Empty<int>(), -1, -1),
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]) with
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{
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IntegerGlobals = DenseIntBank(0x124, (0x123, 456)),
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FloatGlobals = [BitConverter.SingleToInt32Bits(3.5f)],
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StringGlobals = ["復帰"],
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PointerGlobals = [0x123],
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PointerStrings = [0],
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LocalPointerScratch = [0],
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SurfaceRecords = NativeSurfaceRecords(3, 0x1234, 0xff00ff),
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GfxObjects = [new NativeSavedGfxObject(100, NativeGfxRecord(3))],
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};
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var history = new AdvTextHistory();
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history.DefineLayout(1, 100, 50, 0, 0);
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history.AppendText(1, 0, "履歴復帰", AdvTextStyle.Default);
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store.SaveNumberedFile(
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1, NativeNumberedSaveCodec.Encode(state), NativeTextHistoryCodec.Encode(history),
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NativeSystemTime.FromLocalDateTime(DateTime.Now), 123);
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var liveHistory = new AdvTextHistory();
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var vm = new VirtualMachine(
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loader, Table, new RecordingHost(), provider: new MapProvider(
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new()
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{
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[0x88] = resumed,
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[0x89] = child,
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},
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new(StringComparer.OrdinalIgnoreCase)
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{
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["CALLBACK_LOAD.BIN"] = callback,
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}),
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textHistory: liveHistory, nativeDatStore: store);
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vm.Globals[0x123] = 999;
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vm.Run();
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Assert.Equal(456, vm.Globals[0x123]);
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Assert.Equal(456, vm.Globals[0x500]);
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Assert.Equal(456, vm.Globals[0x501]);
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Assert.Equal(1, vm.Globals[0x502]);
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Assert.Equal("復帰", vm.GlobalStrings[0]);
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Assert.Equal(0x123, vm.GlobalPointers[0]);
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Assert.Equal("履歴復帰", liveHistory.Records.Single().Text);
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Assert.Equal(3, vm.Gfx.QuerySlot(100));
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RenderObject restoredObject = Assert.Single(vm.Gfx.SnapshotVisibleObjects());
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Assert.Equal(0x1234, restoredObject.SurfaceResId);
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Assert.Equal((50, 60), (restoredObject.DstX, restoredObject.DstY));
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Assert.Equal("exit", vm.HaltReason);
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}
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finally
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{
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Directory.Delete(root, recursive: true);
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}
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}
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private static Script WithPackedId(Script source, uint packedId)
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=> new()
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{
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Name = source.Name,
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PackedId = packedId,
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Header = source.Header,
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Instructions = source.Instructions,
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IndexByOffset = source.IndexByOffset,
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Strings = source.Strings,
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BodyDwords = source.BodyDwords,
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ReadMessageOffsets = source.ReadMessageOffsets,
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ScriptCallOffsets = source.ScriptCallOffsets,
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LocalCallOffsets = source.LocalCallOffsets,
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};
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private static Script WithTables(
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Script source,
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IReadOnlyList<int>? scriptCallOffsets = null,
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IReadOnlyList<int>? localCallOffsets = null)
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=> new()
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{
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Name = source.Name,
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PackedId = source.PackedId,
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Header = source.Header,
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Instructions = source.Instructions,
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IndexByOffset = source.IndexByOffset,
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Strings = source.Strings,
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BodyDwords = source.BodyDwords,
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ReadMessageOffsets = source.ReadMessageOffsets,
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ScriptCallOffsets = scriptCallOffsets ?? source.ScriptCallOffsets,
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LocalCallOffsets = localCallOffsets ?? source.LocalCallOffsets,
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};
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private static int[] DenseIntBank(int count, params (int Index, int Value)[] values)
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{
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var result = new int[count];
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foreach (var (index, value) in values) result[index] = value;
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return result;
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}
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private static byte[] NativeSurfaceRecords(int slot, int resourceId, int colorKey)
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{
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byte[] result = new byte[NativeNumberedSaveState.SurfaceRecordsSize];
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int at = slot * 20;
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BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at), resourceId);
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BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at + 4), unchecked((int)(0xff000000u | (uint)colorKey)));
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BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at + 8), 1);
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return result;
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}
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private static byte[] NativeGfxRecord(int sourceSlot)
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{
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byte[] result = new byte[NativeNumberedSaveState.GfxRecordSize];
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void Write(int offset, int value)
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=> BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(offset), value);
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Write(0, 1);
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Write(4, sourceSlot);
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Write(8, 1);
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Write(0x0c, 2);
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Write(0x10, 31);
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Write(0x14, 42);
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Write(0x24, 50);
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Write(0x28, 60);
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Write(0x60, -1);
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Write(0x238, 1);
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Write(0x23c, 1);
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return result;
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}
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private static string NewTemporaryDirectory()
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{
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string path = Path.Combine(Path.GetTempPath(), "age-save-vm-" + Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(path);
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return path;
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}
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}
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