mirror of
https://github.com/ppy/osu.git
synced 2024-12-28 21:12:55 +08:00
347 lines
14 KiB
C#
347 lines
14 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Utils;
|
|
using osu.Game.Beatmaps.Legacy;
|
|
using osu.Game.IO;
|
|
using osu.Game.Storyboards;
|
|
using osuTK;
|
|
using osuTK.Graphics;
|
|
|
|
namespace osu.Game.Beatmaps.Formats
|
|
{
|
|
public class LegacyStoryboardDecoder : LegacyDecoder<Storyboard>
|
|
{
|
|
private StoryboardSprite storyboardSprite;
|
|
private CommandTimelineGroup timelineGroup;
|
|
|
|
private Storyboard storyboard;
|
|
|
|
private readonly Dictionary<string, string> variables = new Dictionary<string, string>();
|
|
|
|
public LegacyStoryboardDecoder()
|
|
: base(0)
|
|
{
|
|
}
|
|
|
|
public static void Register()
|
|
{
|
|
// note that this isn't completely correct
|
|
AddDecoder<Storyboard>(@"osu file format v", m => new LegacyStoryboardDecoder());
|
|
AddDecoder<Storyboard>(@"[Events]", m => new LegacyStoryboardDecoder());
|
|
SetFallbackDecoder<Storyboard>(() => new LegacyStoryboardDecoder());
|
|
}
|
|
|
|
protected override void ParseStreamInto(LineBufferedReader stream, Storyboard storyboard)
|
|
{
|
|
this.storyboard = storyboard;
|
|
base.ParseStreamInto(stream, storyboard);
|
|
}
|
|
|
|
protected override void ParseLine(Storyboard storyboard, Section section, string line)
|
|
{
|
|
line = StripComments(line);
|
|
|
|
switch (section)
|
|
{
|
|
case Section.Events:
|
|
handleEvents(line);
|
|
return;
|
|
|
|
case Section.Variables:
|
|
handleVariables(line);
|
|
return;
|
|
}
|
|
|
|
base.ParseLine(storyboard, section, line);
|
|
}
|
|
|
|
private void handleEvents(string line)
|
|
{
|
|
var depth = 0;
|
|
|
|
foreach (char c in line)
|
|
{
|
|
if (c == ' ' || c == '_')
|
|
depth++;
|
|
else
|
|
break;
|
|
}
|
|
|
|
line = line.Substring(depth);
|
|
|
|
decodeVariables(ref line);
|
|
|
|
string[] split = line.Split(',');
|
|
|
|
if (depth == 0)
|
|
{
|
|
storyboardSprite = null;
|
|
|
|
if (!Enum.TryParse(split[0], out LegacyEventType type))
|
|
throw new InvalidDataException($@"Unknown event type: {split[0]}");
|
|
|
|
switch (type)
|
|
{
|
|
case LegacyEventType.Video:
|
|
{
|
|
var offset = Parsing.ParseInt(split[1]);
|
|
var path = CleanFilename(split[2]);
|
|
|
|
storyboard.GetLayer("Video").Add(new StoryboardVideo(path, offset));
|
|
break;
|
|
}
|
|
|
|
case LegacyEventType.Sprite:
|
|
{
|
|
var layer = parseLayer(split[1]);
|
|
var origin = parseOrigin(split[2]);
|
|
var path = CleanFilename(split[3]);
|
|
var x = Parsing.ParseFloat(split[4], Parsing.MAX_COORDINATE_VALUE);
|
|
var y = Parsing.ParseFloat(split[5], Parsing.MAX_COORDINATE_VALUE);
|
|
storyboardSprite = new StoryboardSprite(path, origin, new Vector2(x, y));
|
|
storyboard.GetLayer(layer).Add(storyboardSprite);
|
|
break;
|
|
}
|
|
|
|
case LegacyEventType.Animation:
|
|
{
|
|
var layer = parseLayer(split[1]);
|
|
var origin = parseOrigin(split[2]);
|
|
var path = CleanFilename(split[3]);
|
|
var x = Parsing.ParseFloat(split[4], Parsing.MAX_COORDINATE_VALUE);
|
|
var y = Parsing.ParseFloat(split[5], Parsing.MAX_COORDINATE_VALUE);
|
|
var frameCount = Parsing.ParseInt(split[6]);
|
|
var frameDelay = Parsing.ParseDouble(split[7]);
|
|
var loopType = split.Length > 8 ? (AnimationLoopType)Enum.Parse(typeof(AnimationLoopType), split[8]) : AnimationLoopType.LoopForever;
|
|
storyboardSprite = new StoryboardAnimation(path, origin, new Vector2(x, y), frameCount, frameDelay, loopType);
|
|
storyboard.GetLayer(layer).Add(storyboardSprite);
|
|
break;
|
|
}
|
|
|
|
case LegacyEventType.Sample:
|
|
{
|
|
var time = Parsing.ParseDouble(split[1]);
|
|
var layer = parseLayer(split[2]);
|
|
var path = CleanFilename(split[3]);
|
|
var volume = split.Length > 4 ? Parsing.ParseFloat(split[4]) : 100;
|
|
storyboard.GetLayer(layer).Add(new StoryboardSampleInfo(path, time, (int)volume));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (depth < 2)
|
|
timelineGroup = storyboardSprite?.TimelineGroup;
|
|
|
|
var commandType = split[0];
|
|
|
|
switch (commandType)
|
|
{
|
|
case "T":
|
|
{
|
|
var triggerName = split[1];
|
|
var startTime = split.Length > 2 ? Parsing.ParseDouble(split[2]) : double.MinValue;
|
|
var endTime = split.Length > 3 ? Parsing.ParseDouble(split[3]) : double.MaxValue;
|
|
var groupNumber = split.Length > 4 ? Parsing.ParseInt(split[4]) : 0;
|
|
timelineGroup = storyboardSprite?.AddTrigger(triggerName, startTime, endTime, groupNumber);
|
|
break;
|
|
}
|
|
|
|
case "L":
|
|
{
|
|
var startTime = Parsing.ParseDouble(split[1]);
|
|
var loopCount = Parsing.ParseInt(split[2]);
|
|
timelineGroup = storyboardSprite?.AddLoop(startTime, loopCount);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
if (string.IsNullOrEmpty(split[3]))
|
|
split[3] = split[2];
|
|
|
|
var easing = (Easing)Parsing.ParseInt(split[1]);
|
|
var startTime = Parsing.ParseDouble(split[2]);
|
|
var endTime = Parsing.ParseDouble(split[3]);
|
|
|
|
switch (commandType)
|
|
{
|
|
case "F":
|
|
{
|
|
var startValue = Parsing.ParseFloat(split[4]);
|
|
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
|
|
timelineGroup?.Alpha.Add(easing, startTime, endTime, startValue, endValue);
|
|
break;
|
|
}
|
|
|
|
case "S":
|
|
{
|
|
var startValue = Parsing.ParseFloat(split[4]);
|
|
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
|
|
timelineGroup?.Scale.Add(easing, startTime, endTime, startValue, endValue);
|
|
break;
|
|
}
|
|
|
|
case "V":
|
|
{
|
|
var startX = Parsing.ParseFloat(split[4]);
|
|
var startY = Parsing.ParseFloat(split[5]);
|
|
var endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
|
|
var endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
|
|
timelineGroup?.VectorScale.Add(easing, startTime, endTime, new Vector2(startX, startY), new Vector2(endX, endY));
|
|
break;
|
|
}
|
|
|
|
case "R":
|
|
{
|
|
var startValue = Parsing.ParseFloat(split[4]);
|
|
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
|
|
timelineGroup?.Rotation.Add(easing, startTime, endTime, MathUtils.RadiansToDegrees(startValue), MathUtils.RadiansToDegrees(endValue));
|
|
break;
|
|
}
|
|
|
|
case "M":
|
|
{
|
|
var startX = Parsing.ParseFloat(split[4]);
|
|
var startY = Parsing.ParseFloat(split[5]);
|
|
var endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
|
|
var endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
|
|
timelineGroup?.X.Add(easing, startTime, endTime, startX, endX);
|
|
timelineGroup?.Y.Add(easing, startTime, endTime, startY, endY);
|
|
break;
|
|
}
|
|
|
|
case "MX":
|
|
{
|
|
var startValue = Parsing.ParseFloat(split[4]);
|
|
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
|
|
timelineGroup?.X.Add(easing, startTime, endTime, startValue, endValue);
|
|
break;
|
|
}
|
|
|
|
case "MY":
|
|
{
|
|
var startValue = Parsing.ParseFloat(split[4]);
|
|
var endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
|
|
timelineGroup?.Y.Add(easing, startTime, endTime, startValue, endValue);
|
|
break;
|
|
}
|
|
|
|
case "C":
|
|
{
|
|
var startRed = Parsing.ParseFloat(split[4]);
|
|
var startGreen = Parsing.ParseFloat(split[5]);
|
|
var startBlue = Parsing.ParseFloat(split[6]);
|
|
var endRed = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startRed;
|
|
var endGreen = split.Length > 8 ? Parsing.ParseFloat(split[8]) : startGreen;
|
|
var endBlue = split.Length > 9 ? Parsing.ParseFloat(split[9]) : startBlue;
|
|
timelineGroup?.Colour.Add(easing, startTime, endTime,
|
|
new Color4(startRed / 255f, startGreen / 255f, startBlue / 255f, 1),
|
|
new Color4(endRed / 255f, endGreen / 255f, endBlue / 255f, 1));
|
|
break;
|
|
}
|
|
|
|
case "P":
|
|
{
|
|
var type = split[4];
|
|
|
|
switch (type)
|
|
{
|
|
case "A":
|
|
timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive, startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
|
|
break;
|
|
|
|
case "H":
|
|
timelineGroup?.FlipH.Add(easing, startTime, endTime, true, startTime == endTime);
|
|
break;
|
|
|
|
case "V":
|
|
timelineGroup?.FlipV.Add(easing, startTime, endTime, true, startTime == endTime);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
throw new InvalidDataException($@"Unknown command type: {commandType}");
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private string parseLayer(string value) => Enum.Parse(typeof(LegacyStoryLayer), value).ToString();
|
|
|
|
private Anchor parseOrigin(string value)
|
|
{
|
|
var origin = (LegacyOrigins)Enum.Parse(typeof(LegacyOrigins), value);
|
|
|
|
switch (origin)
|
|
{
|
|
case LegacyOrigins.TopLeft:
|
|
return Anchor.TopLeft;
|
|
|
|
case LegacyOrigins.TopCentre:
|
|
return Anchor.TopCentre;
|
|
|
|
case LegacyOrigins.TopRight:
|
|
return Anchor.TopRight;
|
|
|
|
case LegacyOrigins.CentreLeft:
|
|
return Anchor.CentreLeft;
|
|
|
|
case LegacyOrigins.Centre:
|
|
return Anchor.Centre;
|
|
|
|
case LegacyOrigins.CentreRight:
|
|
return Anchor.CentreRight;
|
|
|
|
case LegacyOrigins.BottomLeft:
|
|
return Anchor.BottomLeft;
|
|
|
|
case LegacyOrigins.BottomCentre:
|
|
return Anchor.BottomCentre;
|
|
|
|
case LegacyOrigins.BottomRight:
|
|
return Anchor.BottomRight;
|
|
|
|
default:
|
|
return Anchor.TopLeft;
|
|
}
|
|
}
|
|
|
|
private void handleVariables(string line)
|
|
{
|
|
var pair = SplitKeyVal(line, '=');
|
|
variables[pair.Key] = pair.Value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Decodes any beatmap variables present in a line into their real values.
|
|
/// </summary>
|
|
/// <param name="line">The line which may contains variables.</param>
|
|
private void decodeVariables(ref string line)
|
|
{
|
|
while (line.IndexOf('$') >= 0)
|
|
{
|
|
string origLine = line;
|
|
|
|
foreach (var v in variables)
|
|
line = line.Replace(v.Key, v.Value);
|
|
|
|
if (line == origLine)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|