Files
OpenMaidEngine/engine/Age.Engine.Tests/NumberedSaveVmTests.cs
2026-07-24 18:43:21 -04:00

261 lines
11 KiB
C#

using Age.Engine.Model;
using Age.Engine.Persistence;
using Age.Engine.Sys4;
using Age.Engine.Vm;
using System.Buffers.Binary;
public class NumberedSaveVmTests
{
private const int Immediate = 0;
private const int GlobalInt = 3;
private const int LocalInt = 9;
private static readonly OpcodeTable Table = OpcodeTableJson.Load(Paths.OpcodesJson);
private static readonly NativeSaveIdentity Identity =
new(NativeSaveMagic.S4SD, 0x4a343234, "numbered-vm-test", 3, 10, 0x42323234);
[Fact]
public void SaveOpcodeWritesLayoutThreeStateHistoryAndRetainedGfx()
{
string root = NewTemporaryDirectory();
try
{
var store = new DirectoryNativeDatStore(root, Identity);
Script script = WithPackedId(ScriptAssembler.Assemble(Table, "SAVE_TEST.BIN",
[
(0xbf, [new Operand(Immediate, 24)]),
(0xc0, [new Operand(GlobalInt, 0x21)]),
(0xb4, [new Operand(Immediate, 0x3321), new Operand(Immediate, 1)]),
(0x1ad, Array.Empty<Operand>()),
(0x19e, [new Operand(GlobalInt, 0x20), new Operand(Immediate, 2)]),
(0x2, Array.Empty<Operand>()),
], []), 0x77);
var history = new AdvTextHistory();
history.DefineLayout(1, 400, 120, 75, 340);
history.AppendText(1, 0x40, "保存", AdvTextStyle.Default);
var vm = new VirtualMachine(
script, Table, new RecordingHost(), textHistory: history, nativeDatStore: store);
vm.Globals[0x123] = 456;
vm.GlobalFloats[0] = BitConverter.SingleToInt32Bits(2.5f);
vm.GlobalStrings[4] = "姫狩り";
vm.Gfx.SetSurface(3, 0x1234, 0xff00ff);
vm.Gfx.BindDraw(100, 3, 1, 2, 30, 40, 50, 60);
vm.Run();
Assert.Equal(0, vm.Globals[0x20]);
Assert.Equal(24, vm.Globals[0x21]);
NativeNumberedSaveFile file = store.LoadNumberedFile(2)!;
NativeNumberedSaveState state = NativeNumberedSaveCodec.Decode(file.Document.Payload);
Assert.Equal(0x6241b, state.IntegerGlobals.Count);
Assert.Equal(456, state.IntegerGlobals[0x123]);
Assert.Equal(24, state.BgmTrackId);
Assert.Equal(0x3321, state.SoundEffectResourceIds[1]);
Assert.Equal("姫狩り", state.StringGlobals[4]);
Assert.Equal(0x77u, state.Frames.Single().ScriptId);
Assert.Contains(state.GfxObjects, item => item.Handle == 100);
var restoredHistory = new AdvTextHistory();
NativeTextHistoryCodec.DecodeInto(file.HistoryTail, restoredHistory);
Assert.Equal("保存", restoredHistory.Records.Single().Text);
Assert.NotNull(store.LoadShared());
}
finally
{
Directory.Delete(root, recursive: true);
}
}
[Fact]
public void FullLoadRestoresBanksThenResumesSavedScriptThroughOpcodeAe()
{
string root = NewTemporaryDirectory();
try
{
var store = new DirectoryNativeDatStore(root, Identity);
Script resumed = WithTables(WithPackedId(ScriptAssembler.Assemble(Table, "RESUMED.BIN",
[
(0xae, Array.Empty<Operand>()),
(0x3, [new Operand(Immediate, 0x89)]),
(Table.ByLabel("mov")!.Value,
[new Operand(GlobalInt, 0x500), new Operand(GlobalInt, 0x123)]),
(0x2, Array.Empty<Operand>()),
], []), 0x88), scriptCallOffsets: [1]);
Script child = WithPackedId(ScriptAssembler.Assemble(Table, "CHILD.BIN",
[
(0xae, Array.Empty<Operand>()),
(Table.ByLabel("mov")!.Value,
[new Operand(GlobalInt, 0x501), new Operand(GlobalInt, 0x123)]),
(0x2, Array.Empty<Operand>()),
], []), 0x89);
Script loader = WithPackedId(ScriptAssembler.Assemble(Table, "LOADER.BIN",
[
(0x1a1, [new Operand(LocalInt, 0), new Operand(Immediate, 1)]),
(0x2, Array.Empty<Operand>()),
], []), 0x99);
Script callback = WithPackedId(ScriptAssembler.Assemble(Table, "CALLBACK_LOAD.BIN",
[
(Table.ByLabel("mov")!.Value,
[new Operand(GlobalInt, 0x502), new Operand(Immediate, 1)]),
(0x2, Array.Empty<Operand>()),
], []), 0x90);
NativeNumberedSaveState state = NativeNumberedSaveCodec.Empty(
[
new NativeSavedScriptFrame(-1, 0x88, Array.Empty<int>(), -1, 0),
new NativeSavedScriptFrame(0, 0x89, Array.Empty<int>(), -1, -1),
]) with
{
BgmTrackId = 24,
SoundEffectResourceIds =
[
0, 0x3321, 0x2aea, 0, 0,
0, 0, 0, 0, 0,
],
IntegerGlobals = DenseIntBank(0x124, (0x123, 456)),
FloatGlobals = [BitConverter.SingleToInt32Bits(3.5f)],
StringGlobals = ["復帰"],
PointerGlobals = [0x123],
PointerStrings = [0],
LocalPointerScratch = [0],
SurfaceRecords = NativeSurfaceRecords(3, 0x1234, 0xff00ff),
GfxObjects = [new NativeSavedGfxObject(100, NativeGfxRecord(3))],
};
var history = new AdvTextHistory();
history.DefineLayout(1, 100, 50, 0, 0);
history.AppendText(1, 0, "履歴復帰", AdvTextStyle.Default);
store.SaveNumberedFile(
1, NativeNumberedSaveCodec.Encode(state), NativeTextHistoryCodec.Encode(history),
NativeSystemTime.FromLocalDateTime(DateTime.Now), 123);
var liveHistory = new AdvTextHistory();
var trace = new RecordingTraceSink();
var host = new RecordingHost();
var vm = new VirtualMachine(
loader, Table, host, provider: new MapProvider(
new()
{
[0x88] = resumed,
[0x89] = child,
},
new(StringComparer.OrdinalIgnoreCase)
{
["CALLBACK_LOAD.BIN"] = callback,
}),
sink: trace, textHistory: liveHistory, nativeDatStore: store);
vm.Globals[0x10] = 999;
vm.Globals[0x123] = 999;
vm.Globals[0x124] = 777;
vm.GlobalStrings[0] = "stale";
vm.GlobalStrings[1] = "static-unit-name";
vm.Run();
Assert.False(vm.Globals.ContainsKey(0x10));
Assert.Equal(456, vm.Globals[0x123]);
Assert.Equal(777, vm.Globals[0x124]);
Assert.Equal(456, vm.Globals[0x500]);
Assert.Equal(456, vm.Globals[0x501]);
Assert.Equal(1, vm.Globals[0x502]);
Assert.Equal("復帰", vm.GlobalStrings[0]);
Assert.Equal(0x123, vm.GlobalPointers[0]);
Assert.Equal("static-unit-name", vm.GlobalStrings[1]);
Assert.Equal([24L], host.BgmTracks);
Assert.Equal(
[(0x3321L, 1), (0x2aeaL, 2)],
host.SfxLoads);
Assert.Equal(Enumerable.Range(0, 10), host.SfxReleases);
Assert.Equal("履歴復帰", liveHistory.Records.Single().Text);
Assert.Equal(3, vm.Gfx.QuerySlot(100));
RenderObject restoredObject = Assert.Single(vm.Gfx.SnapshotVisibleObjects());
Assert.Equal(0x1234, restoredObject.SurfaceResId);
Assert.Equal((50, 60), (restoredObject.DstX, restoredObject.DstY));
Assert.Contains(trace.Events, item =>
item.Kind == Age.Engine.Diagnostics.TraceEventKind.FrameEnter
&& item.Name == "CHILD.BIN"
&& item.Cause == Age.Engine.Diagnostics.FrameCause.SaveRestore);
Assert.DoesNotContain(trace.Events, item =>
item.Kind == Age.Engine.Diagnostics.TraceEventKind.FrameEnter
&& item.Name == "CHILD.BIN"
&& item.Cause == Age.Engine.Diagnostics.FrameCause.CallScript);
Assert.Equal("exit", vm.HaltReason);
}
finally
{
Directory.Delete(root, recursive: true);
}
}
private static Script WithPackedId(Script source, uint packedId)
=> new()
{
Name = source.Name,
PackedId = packedId,
Header = source.Header,
Instructions = source.Instructions,
IndexByOffset = source.IndexByOffset,
Strings = source.Strings,
BodyDwords = source.BodyDwords,
ReadMessageOffsets = source.ReadMessageOffsets,
ScriptCallOffsets = source.ScriptCallOffsets,
LocalCallOffsets = source.LocalCallOffsets,
};
private static Script WithTables(
Script source,
IReadOnlyList<int>? scriptCallOffsets = null,
IReadOnlyList<int>? localCallOffsets = null)
=> new()
{
Name = source.Name,
PackedId = source.PackedId,
Header = source.Header,
Instructions = source.Instructions,
IndexByOffset = source.IndexByOffset,
Strings = source.Strings,
BodyDwords = source.BodyDwords,
ReadMessageOffsets = source.ReadMessageOffsets,
ScriptCallOffsets = scriptCallOffsets ?? source.ScriptCallOffsets,
LocalCallOffsets = localCallOffsets ?? source.LocalCallOffsets,
};
private static int[] DenseIntBank(int count, params (int Index, int Value)[] values)
{
var result = new int[count];
foreach (var (index, value) in values) result[index] = value;
return result;
}
private static byte[] NativeSurfaceRecords(int slot, int resourceId, int colorKey)
{
byte[] result = new byte[NativeNumberedSaveState.SurfaceRecordsSize];
int at = slot * 20;
BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at), resourceId);
BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at + 4), unchecked((int)(0xff000000u | (uint)colorKey)));
BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(at + 8), 1);
return result;
}
private static byte[] NativeGfxRecord(int sourceSlot)
{
byte[] result = new byte[NativeNumberedSaveState.GfxRecordSize];
void Write(int offset, int value)
=> BinaryPrimitives.WriteInt32LittleEndian(result.AsSpan(offset), value);
Write(0, 1);
Write(4, sourceSlot);
Write(8, 1);
Write(0x0c, 2);
Write(0x10, 31);
Write(0x14, 42);
Write(0x24, 50);
Write(0x28, 60);
Write(0x60, -1);
Write(0x238, 1);
Write(0x23c, 1);
return result;
}
private static string NewTemporaryDirectory()
{
string path = Path.Combine(Path.GetTempPath(), "age-save-vm-" + Guid.NewGuid().ToString("N"));
Directory.CreateDirectory(path);
return path;
}
}