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Restore complete numbered save state

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This commit is contained in:
gamer147
2026-07-24 18:43:21 -04:00
parent db41f77eb5
commit 7a11a3853d
15 changed files with 329 additions and 61 deletions
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21
engine/Age.Engine/Persistence/NativeNumberedSaveCodec.cs
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@@ -14,8 +14,8 @@ public sealed record NativeSavedGfxObject(long Handle, byte[] Record);
public sealed record NativeNumberedSaveState(
int SavedFrameOwner,
int EngineState,
IReadOnlyList<int> StateWords,
int BgmTrackId,
IReadOnlyList<int> SoundEffectResourceIds,
byte[] ResourceRecords,
byte[] SurfaceRecords,
IReadOnlyList<NativeSavedScriptFrame> Frames,
@@ -30,7 +30,7 @@ public sealed record NativeNumberedSaveState(
int RangeTransformCount,
byte[] RangeTransformRecord)
{
public const int StateWordCount = 10;
public const int SoundEffectChannelCount = 10;
public const int ResourceRecordsSize = 300 * 4;
public const int SurfaceRecordsSize = 20_000;
public const int GfxRecordSize = 0x2d4;
@@ -65,8 +65,8 @@ public static class NativeNumberedSaveCodec
WriteInt(payload, 0, cutoff);
WriteInt(payload, 4, state.SavedFrameOwner);
WriteInt(payload, 8, state.EngineState);
WriteIntList(payload, 0x0c, state.StateWords);
WriteInt(payload, 8, state.BgmTrackId);
WriteIntList(payload, 0x0c, state.SoundEffectResourceIds);
state.ResourceRecords.CopyTo(payload, 0x34);
state.SurfaceRecords.CopyTo(payload, 0x4e4);
@@ -119,7 +119,8 @@ public static class NativeNumberedSaveCodec
int fixedBytes = checked(0x5718 + cutoff * FrameSize);
Require(payload, 0, fixedBytes, "numbered-save fixed state");
int[] stateWords = ReadInts(payload, 0x0c, NativeNumberedSaveState.StateWordCount);
int[] soundEffects = ReadInts(
payload, 0x0c, NativeNumberedSaveState.SoundEffectChannelCount);
byte[] resources = payload.Slice(0x34, NativeNumberedSaveState.ResourceRecordsSize).ToArray();
byte[] surfaces = payload.Slice(0x4e4, NativeNumberedSaveState.SurfaceRecordsSize).ToArray();
var frames = new NativeSavedScriptFrame[cutoff + 1];
@@ -167,14 +168,14 @@ public static class NativeNumberedSaveCodec
byte[] rangeRecord = payload.Slice(at + 8, gfxRecordSize).ToArray();
return new NativeNumberedSaveState(
ReadInt(payload, 4), ReadInt(payload, 8), stateWords, resources, surfaces, frames,
ReadInt(payload, 4), ReadInt(payload, 8), soundEffects, resources, surfaces, frames,
integers, floats, strings, pointers, pointerStrings, localPointerScratch, objects,
rangeFirst, rangeCount, rangeRecord);
}
public static NativeNumberedSaveState Empty(IReadOnlyList<NativeSavedScriptFrame> frames)
=> new(
0, 0, new int[NativeNumberedSaveState.StateWordCount],
0, 0, new int[NativeNumberedSaveState.SoundEffectChannelCount],
new byte[NativeNumberedSaveState.ResourceRecordsSize],
new byte[NativeNumberedSaveState.SurfaceRecordsSize],
frames, Array.Empty<int>(), Array.Empty<int>(), Array.Empty<string>(),
@@ -239,8 +240,8 @@ public static class NativeNumberedSaveCodec
private static void ValidateState(NativeNumberedSaveState state)
{
if (state.Frames.Count == 0) throw new InvalidDataException("A numbered save requires at least one frame.");
if (state.StateWords.Count != NativeNumberedSaveState.StateWordCount)
throw new InvalidDataException("Numbered-save state word count must be 10.");
if (state.SoundEffectResourceIds.Count != NativeNumberedSaveState.SoundEffectChannelCount)
throw new InvalidDataException("Numbered-save sound-effect channel count must be 10.");
if (state.ResourceRecords.Length != NativeNumberedSaveState.ResourceRecordsSize)
throw new InvalidDataException("Numbered-save resource table must be 1,200 bytes.");
if (state.SurfaceRecords.Length != NativeNumberedSaveState.SurfaceRecordsSize)