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chore(render): delete dead ParticleBatcher chain (2026-07-24 audit review)

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ParticleBatcher/ParticleEmitterRenderer/ActiveParticleEmitter (src/AcDream.App/Rendering/Wb/)
are an earlier WorldBuilder-derived particle-preview design with zero live call
sites: ParticleBatcher.Begin/AddParticle/Flush/End are only called from
ParticleEmitterRenderer.Render, which is only called from
ActiveParticleEmitter.Render, and `new ActiveParticleEmitter` has zero call
sites anywhere in the repo (verified by grep across src/tests/tools). The only
wiring was OpenGLGraphicsDevice.ParticleBatcher (property + null-init + Dispose)
and a single assignment in WbMeshAdapter.cs.

ParticleBatcher's constructor unconditionally allocated a ParticleInstance[65536]
managed array (~3.5 MiB) plus a matching GPU instance buffer, a shader, a VAO,
and 3 more GL buffers, none tracked by GpuMemoryTracker or ever drawn from.

ParticleEmitterRenderer's per-particle-type physics (Particle::Init vector-space
resolution, CalculatePosition integration) duplicates, without retail address
citations, what src/AcDream.Core/Vfx/ParticleSystem.cs already implements with
Particle::Init (0x0051c930) / Particle::Update (0x0051c290) citations and the
same ParticleType switch — the production path (ParticleSystem.cs +
AcDream.App/Rendering/ParticleRenderer.cs) supersedes it. No unique retail
knowledge is lost.

EmbeddedResourceReader.cs and the wb_particle.vert/frag shader sources are
deleted alongside it: EmbeddedResourceReader's own doc comment says it exists
solely so ParticleBatcher/ParticleEmitterRenderer can load WB-style shader
resource names, and GetEmbeddedResource had no other caller in the repo.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
(cherry picked from commit 4afedafd085a5fadd1867418d3ec71610d9d15a7)
This commit is contained in:
Erik 2026-07-24 11:35:16 +02:00
parent cf25330458
commit a4b1214e0f
8 changed files with 0 additions and 906 deletions
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src/AcDream.App/Rendering/Wb/WbMeshAdapter.cs
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@ -145,7 +145,6 @@ public sealed class WbMeshAdapter : IDisposable, IWbMeshAdapter
}
});
resources.Add("WB graphics device", graphicsDeviceRelease.Run);
graphicsDevice.ParticleBatcher = new ParticleBatcher(graphicsDevice);
// ConsoleErrorLogger surfaces WB's silently-caught exceptions
// (ObjectMeshManager.PrepareMeshData try/catch at line ~589).
meshManager = new ObjectMeshManager(