442 lines
14 KiB
C#
442 lines
14 KiB
C#
using System.IO;
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using BizHawk.Emulation.Cores.Sony.PSX;
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namespace BizHawk.Client.Common
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{
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[ImporterFor("PSXjin", ".pjm")]
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internal class PjmImport : MovieImporter
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{
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protected override void RunImport()
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{
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Result.Movie.HeaderEntries[HeaderKeys.Platform] = "PSX";
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using var fs = SourceFile.OpenRead();
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using var br = new BinaryReader(fs);
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var info = ParseHeader(Result.Movie, "PJM ", br);
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fs.Seek(info.ControllerDataOffset, SeekOrigin.Begin);
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if (info.BinaryFormat)
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{
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ParseBinaryInputLog(br, Result.Movie, info);
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}
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else
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{
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ParseTextInputLog(br, Result.Movie, info);
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}
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}
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protected MiscHeaderInfo ParseHeader(IMovie movie, string expectedMagic, BinaryReader br)
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{
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var info = new MiscHeaderInfo();
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string magic = new string(br.ReadChars(4));
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if (magic != expectedMagic)
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{
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Result.Errors.Add($"Not a {expectedMagic}file: invalid magic number in file header.");
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return info;
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}
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uint movieVersionNumber = br.ReadUInt32();
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if (movieVersionNumber != 2)
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{
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Result.Warnings.Add($"Unexpected movie version: got {movieVersionNumber}, expecting 2");
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}
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// 008: UInt32 emulator version.
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br.ReadUInt32();
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byte flags = br.ReadByte();
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byte flags2 = br.ReadByte();
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if ((flags & 0x02) != 0)
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{
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Result.Errors.Add("Movie starts from savestate; this is currently unsupported.");
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}
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if ((flags & 0x04) != 0)
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{
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movie.HeaderEntries[HeaderKeys.Pal] = "1";
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}
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if ((flags & 0x08) != 0)
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{
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Result.Errors.Add("Movie contains embedded memory cards; this is currently unsupported.");
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}
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if ((flags & 0x10) != 0)
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{
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Result.Errors.Add("Movie contains embedded cheat list; this is currently unsupported.");
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}
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if ((flags & 0x20) != 0 || (flags2 & 0x06) != 0)
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{
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Result.Errors.Add("Movie relies on emulator hacks; this is currently unsupported.");
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}
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if ((flags & 0x40) != 0)
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{
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info.BinaryFormat = false;
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}
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if ((flags & 0x80) != 0 || (flags2 & 0x01) != 0)
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{
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Result.Errors.Add("Movie uses multitap; this is currently unsupported.");
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return info;
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}
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// Player 1 controller type
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switch (br.ReadByte())
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{
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// It seems to be inconsistent in the files I looked at which of these is used
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// to mean no controller present.
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case 0:
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case 8:
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info.Player1Type = OctoshockDll.ePeripheralType.None;
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break;
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case 4:
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info.Player1Type = OctoshockDll.ePeripheralType.Pad;
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break;
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case 7:
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info.Player1Type = OctoshockDll.ePeripheralType.DualShock;
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break;
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default:
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Result.Errors.Add("Movie has unrecognized controller type for Player 1.");
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return info;
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}
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// Player 2 controller type
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switch (br.ReadByte())
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{
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case 0:
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case 8:
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info.Player2Type = OctoshockDll.ePeripheralType.None;
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break;
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case 4:
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info.Player2Type = OctoshockDll.ePeripheralType.Pad;
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break;
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case 7:
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info.Player2Type = OctoshockDll.ePeripheralType.DualShock;
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break;
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default:
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Result.Errors.Add("Movie has unrecognized controller type for Player 2.");
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return info;
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}
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var syncSettings = new Octoshock.SyncSettings
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{
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FIOConfig =
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{
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Devices8 = new[]
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{
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info.Player1Type,
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OctoshockDll.ePeripheralType.None,
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OctoshockDll.ePeripheralType.None,
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OctoshockDll.ePeripheralType.None,
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info.Player2Type,
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OctoshockDll.ePeripheralType.None,
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OctoshockDll.ePeripheralType.None,
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OctoshockDll.ePeripheralType.None
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}
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}
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};
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movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
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info.FrameCount = br.ReadUInt32();
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uint rerecordCount = br.ReadUInt32();
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movie.HeaderEntries[HeaderKeys.Rerecords] = rerecordCount.ToString();
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// 018: UInt32 savestateOffset
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// 01C: UInt32 memoryCard1Offset
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// 020: UInt32 memoryCard2Offset
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// 024: UInt32 cheatListOffset
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// 028: UInt32 cdRomIdOffset
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// Source format is just the first up-to-8 alphanumeric characters of the CD label,
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// so not so useful.
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br.ReadBytes(20);
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info.ControllerDataOffset = br.ReadUInt32();
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uint authorNameLength = br.ReadUInt32();
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char[] authorName = br.ReadChars((int)authorNameLength);
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movie.HeaderEntries[HeaderKeys.Author] = new string(authorName);
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info.ParseSuccessful = true;
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return info;
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}
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protected void ParseBinaryInputLog(BinaryReader br, IMovie movie, MiscHeaderInfo info)
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{
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var settings = new Octoshock.SyncSettings();
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var controllers = new SimpleController();
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settings.FIOConfig.Devices8 = new[]
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{
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info.Player1Type,
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OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None,
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info.Player2Type,
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OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None
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};
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controllers.Definition = Octoshock.CreateControllerDefinition(settings);
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string[] buttons =
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{
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"Select", "L3", "R3", "Start", "Up", "Right", "Down", "Left",
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"L2", "R2", "L1", "R1", "Triangle", "Circle", "Cross", "Square"
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};
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bool isCdTrayOpen = false;
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int cdNumber = 1;
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for (int frame = 0; frame < info.FrameCount; ++frame)
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{
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if (info.Player1Type != OctoshockDll.ePeripheralType.None)
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{
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ushort controllerState = br.ReadUInt16();
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// As L3 and R3 don't exist on a standard gamepad, handle them separately later. Unfortunately
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// due to the layout, we handle select separately too first.
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controllers["P1 Select"] = (controllerState & 0x1) != 0;
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for (int button = 3; button < buttons.Length; button++)
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{
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controllers[$"P1 {buttons[button]}"] = ((controllerState >> button) & 0x1) != 0;
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if (((controllerState >> button) & 0x1) != 0 && button > 15)
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{
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continue;
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}
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}
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if (info.Player1Type == OctoshockDll.ePeripheralType.DualShock)
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{
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controllers["P1 L3"] = (controllerState & 0x2) != 0;
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controllers["P1 R3"] = (controllerState & 0x4) != 0;
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var leftX = ("P1 LStick X", (float) br.ReadByte());
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var leftY = ("P1 LStick Y", (float) br.ReadByte());
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var rightX = ("P1 RStick X", (float) br.ReadByte());
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var rightY = ("P1 RStick Y", (float) br.ReadByte());
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controllers.AcceptNewAxes(new[] { leftX, leftY, rightX, rightY });
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}
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}
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if (info.Player2Type != OctoshockDll.ePeripheralType.None)
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{
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ushort controllerState = br.ReadUInt16();
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for (int button = 0; button < buttons.Length; button++)
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{
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controllers[$"P2 {buttons[button]}"] = ((controllerState >> button) & 0x1) != 0;
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if (((controllerState >> button) & 0x1) != 0 && button > 15)
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{
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continue;
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}
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}
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if (info.Player2Type == OctoshockDll.ePeripheralType.DualShock)
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{
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var leftX = ("P2 LStick X", (float) br.ReadByte());
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var leftY = ("P2 LStick Y", (float) br.ReadByte());
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var rightX = ("P2 RStick X", (float) br.ReadByte());
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var rightY = ("P2 RStick Y", (float) br.ReadByte());
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controllers.AcceptNewAxes(new[] { leftX, leftY, rightX, rightY });
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}
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}
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byte controlState = br.ReadByte();
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controllers["Reset"] = (controlState & 0x02) != 0;
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if ((controlState & 0x04) != 0)
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{
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if (isCdTrayOpen)
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{
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controllers["Close"] = true;
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cdNumber++;
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}
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else
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{
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controllers["Open"] = true;
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}
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isCdTrayOpen = !isCdTrayOpen;
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}
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else
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{
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controllers["Close"] = false;
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controllers["Open"] = false;
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}
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var discSelect = ("Disc Select", (float) cdNumber);
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controllers.AcceptNewAxes(new[] { discSelect });
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if ((controlState & 0xFC) != 0)
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{
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Result.Warnings.Add($"Ignored toggle hack flag on frame {frame}");
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}
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movie.AppendFrame(controllers);
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}
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}
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protected void ParseTextInputLog(BinaryReader br, IMovie movie, MiscHeaderInfo info)
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{
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Octoshock.SyncSettings settings = new Octoshock.SyncSettings();
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SimpleController controllers = new SimpleController();
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settings.FIOConfig.Devices8 = new[]
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{
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info.Player1Type,
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OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None,
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info.Player2Type,
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OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None, OctoshockDll.ePeripheralType.None
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};
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controllers.Definition = Octoshock.CreateControllerDefinition(settings);
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string[] buttons =
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{
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"Start", "Up", "Right", "Down", "Left",
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"L2", "R2", "L1", "R1", "Triangle", "Circle", "Cross", "Square"
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};
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bool isCdTrayOpen = false;
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int cdNumber = 1;
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int player1Count = info.Player1Type == OctoshockDll.ePeripheralType.None ? 1 : info.Player1Type == OctoshockDll.ePeripheralType.Pad ? 15 : 33;
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int player2Count = info.Player2Type == OctoshockDll.ePeripheralType.None ? 1 : info.Player2Type == OctoshockDll.ePeripheralType.Pad ? 15 : 33;
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int strCount = player1Count + player2Count + 4; // 2 for control byte and pipe and line feed chars
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for (int frame = 0; frame < info.FrameCount; ++frame)
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{
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var mnemonicStr = new string(br.ReadChars(strCount));
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// Junk whitespace at the end of a file
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if (string.IsNullOrWhiteSpace(mnemonicStr))
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{
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continue;
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}
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// Gross, if not CR LF, this will fail, but will the PSXjin?
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if (!mnemonicStr.EndsWith("|\r\n"))
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{
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Result.Errors.Add("Unable to parse text input, unknown configuration");
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}
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var split = mnemonicStr.Replace("\r\n", "").Split('|');
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var player1Str = split[0];
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var player2Str = split[1];
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var controlStr = split[2];
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if (info.Player1Type != OctoshockDll.ePeripheralType.None)
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{
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// As L3 and R3 don't exist on a standard gamepad, handle them separately later. Unfortunately
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// due to the layout, we handle select separately too first.
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controllers["P1 Select"] = player1Str[0] != '.';
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if (info.Player1Type == OctoshockDll.ePeripheralType.DualShock)
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{
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controllers["P1 L3"] = player1Str[1] != '.';
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controllers["P1 R3"] = player1Str[2] != '.';
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}
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int offSet = info.Player1Type == OctoshockDll.ePeripheralType.Pad ? 0 : 2;
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for (int button = 1; button < buttons.Length; button++)
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{
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controllers[$"P1 {buttons[button]}"] = player1Str[button + offSet] != '.';
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}
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if (info.Player1Type == OctoshockDll.ePeripheralType.DualShock)
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{
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// The analog controls are encoded as four space-separated numbers with a leading space
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string leftXRaw = player1Str.Substring(16, 4);
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string leftYRaw = player1Str.Substring(20, 4);
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string rightXRaw = player1Str.Substring(24, 4);
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string rightYRaw = player1Str.Substring(28, 4);
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var leftX = ("P1 LStick X", float.Parse(leftXRaw));
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var leftY = ("P1 LStick Y", float.Parse(leftYRaw));
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var rightX = ("P1 RStick X", float.Parse(rightXRaw));
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var rightY = ("P1 RStick Y", float.Parse(rightYRaw));
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controllers.AcceptNewAxes(new[] { leftX, leftY, rightX, rightY });
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}
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}
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if (info.Player2Type != OctoshockDll.ePeripheralType.None)
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{
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// As L3 and R3 don't exist on a standard gamepad, handle them separately later. Unfortunately
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// due to the layout, we handle select separately too first.
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controllers["P2 Select"] = player2Str[0] != '.';
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if (info.Player2Type == OctoshockDll.ePeripheralType.DualShock)
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{
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controllers["P2 L3"] = player2Str[1] != '.';
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controllers["P2 R3"] = player2Str[2] != '.';
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}
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int offSet = info.Player2Type == OctoshockDll.ePeripheralType.Pad ? 0 : 2;
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for (int button = 1; button < buttons.Length; button++)
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{
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controllers[$"P2 {buttons[button]}"] = player2Str[button + offSet] != '.';
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}
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if (info.Player2Type == OctoshockDll.ePeripheralType.DualShock)
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{
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// The analog controls are encoded as four space-separated numbers with a leading space
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string leftXRaw = player2Str.Substring(16, 4);
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string leftYRaw = player2Str.Substring(20, 4);
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string rightXRaw = player2Str.Substring(24, 4);
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string rightYRaw = player2Str.Substring(28, 4);
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var leftX = ("P2 LStick X", float.Parse(leftXRaw));
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var leftY = ("P2 LStick Y", float.Parse(leftYRaw));
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var rightX = ("P2 RStick X", float.Parse(rightXRaw));
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var rightY = ("P2 RStick Y", float.Parse(rightYRaw));
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controllers.AcceptNewAxes(new[] { leftX, leftY, rightX, rightY });
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}
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}
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byte controlState = (byte)controlStr[0];
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controllers["Reset"] = (controlState & 0x02) != 0;
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if ((controlState & 0x04) != 0)
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{
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if (isCdTrayOpen)
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{
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controllers["Close"] = true;
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cdNumber++;
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}
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else
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{
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controllers["Open"] = true;
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}
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isCdTrayOpen = !isCdTrayOpen;
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}
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else
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{
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controllers["Close"] = false;
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controllers["Open"] = false;
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}
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var discSelect = ("Disc Select", (float) cdNumber);
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controllers.AcceptNewAxes(new[] { discSelect });
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if ((controlState & 0xFC) != 0)
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{
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Result.Warnings.Add($"Ignored toggle hack flag on frame {frame}");
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}
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movie.AppendFrame(controllers);
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}
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}
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protected class MiscHeaderInfo
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{
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public bool BinaryFormat { get; set; } = true;
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public uint ControllerDataOffset { get; set; }
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public uint FrameCount { get; set; }
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public OctoshockDll.ePeripheralType Player1Type { get; set; }
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public OctoshockDll.ePeripheralType Player2Type { get; set; }
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public bool ParseSuccessful { get; set; }
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}
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}
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}
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