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Use universal packed resource resolution

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gamer147
2026-07-21 20:23:32 -04:00
parent 5f816bb438
commit 1a2ea008c6
19 changed files with 161 additions and 154 deletions
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43
engine/Age.Engine/Sys4/ResourceMap.cs
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@@ -1,8 +1,8 @@
namespace Age.Engine.Sys4;
/// <summary>
/// Compatibility facade over the runtime SYS4 catalog. Scene-local graphics/voice/movie ids resolve
/// through the executing script's manifest; BGM uses direct names; SFX/cursors use universal packed ids.
/// Typed facade over the runtime SYS4 catalog. Graphics, voice, movie, SFX, and cursor operands use
/// universal packed ids; BGM uses direct names.
/// See docs/asset-resolution-re.md.
/// </summary>
public sealed class ResourceMap
@@ -18,43 +18,26 @@ public sealed class ResourceMap
public static ResourceMap Load() => new(Sys4AssetCatalog.Load(Paths.Sys4Ini));
/// <summary>Resolve a scene-local resId to its asset, or null if out of range / unknown scene.</summary>
public AssetEntry? Resolve(string scene, long resId)
/// <summary>Resolve a universal packed SYS4INI/AAI id to an AGF texture record.</summary>
public AssetEntry? ResolveTexture(long resourceId)
{
return _catalog.ResolveScene(scene, resId);
}
/// <summary>Resolve graphics normally through the scene manifest, with the universal raw-id
/// fallback used by SYSTEM4-owned assets such as SO001.</summary>
public AssetEntry? ResolveTexture(string scene, long resId)
{
var entry = _catalog.ResolveScene(scene, resId) ?? _catalog.ResolveRaw(resId);
var entry = _catalog.ResolvePacked(resourceId);
return entry is { IsPlaceholder: false } &&
entry.Name.EndsWith(".AGF", StringComparison.OrdinalIgnoreCase) ? entry : null;
}
/// <summary>Resolve voice audio through the active SC section when one exists, then through the
/// universal raw catalog used by non-SC frontend scripts such as ROOM.</summary>
public AssetEntry? ResolveVoice(string scene, long resId)
/// <summary>Resolve a universal packed SYS4INI/AAI id to a voice audio record.</summary>
public AssetEntry? ResolveVoice(long resourceId)
{
var entry = _catalog.ResolveScene(scene, resId) ?? _catalog.ResolveRaw(resId);
var entry = _catalog.ResolvePacked(resourceId);
return entry is { IsPlaceholder: false } && IsAudio(entry) ? entry : null;
}
/// <summary>Resolve an already-normalized packed catalog id without applying a scene section base.</summary>
public AssetEntry? ResolveRawTexture(long rawId)
/// <summary>Resolve a universal packed SYS4INI/AAI id to an AGF-named movie record. ReadMovie
/// validates the MPEG signature because still images use the same extension.</summary>
public AssetEntry? ResolveMovie(long resourceId)
{
var entry = _catalog.ResolvePacked(rawId);
return entry is { IsPlaceholder: false } &&
entry.Name.EndsWith(".AGF", StringComparison.OrdinalIgnoreCase) ? entry : null;
}
/// <summary>Resolve op 0x20f's universal raw-catalog movie id without applying the executing
/// script's manifest base. AGE stores these MPEG program streams under .AGF names; ReadMovie
/// validates the payload signature before playback.</summary>
public AssetEntry? ResolveRawMovie(long rawId)
{
var entry = _catalog.ResolveRaw(rawId);
var entry = _catalog.ResolvePacked(resourceId);
return entry is { IsPlaceholder: false } &&
entry.Name.EndsWith(".AGF", StringComparison.OrdinalIgnoreCase) ? entry : null;
}
@@ -81,7 +64,7 @@ public sealed class ResourceMap
/// <summary>
/// Resolve a BGM id to its catalog entry. BGM is addressed by DIRECT LITERAL NAME (BGM{id:D3}.OGG), NOT the
/// per-scene section manifest that voices/textures use. Confirmed by ear (play-bgm 5->BGM005, 8->BGM008)
/// universal packed resource table used by voices/textures. Confirmed by ear (play-bgm 5->BGM005, 8->BGM008)
/// and by the play-bgm 0x23->BGM035 case: BGM035 is a real standalone track (the BGM set skips 030-034),
/// which the manifest mis-resolved to a graphics entry. See docs/asset-resolution-re.md.
/// </summary>