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feat: UGC server that makes and serves player models' meshes and icons

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A new server (dUgcServer, started by master with enable_ugc_server=1) that
takes unprocessed ugc and ugc_modular_build rows from the database and makes
what the client downloads with UGCUSE3DSERVICES: an optimized NIF (hidden
faces removed, ambient occlusion baked into vertex colors) and a 128px DDS
icon for player models, rendered by a software rasterizer from the client's
LDD brick primitives, and icons for cars and rockets assembled from their
modules per ModularBuildComponent/ModuleComponent. It serves them, with the
models' LXFML, over HTTP in the client's UGCC<dc>/3DOPTIMIZED and
IMAGE128DDS layout with .gz and .checksum files, and keeps its folder under
a size cap.

Processing state lives in ugc.is_optimized plus new processed_at,
process_attempts and process_error columns (and the same on
ugc_modular_build). ServiceType::UGC is appended. NifFile moves to dCommon
and records named node transforms for the modules' attach points.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-27 03:52:22 -05:00
parent 90ded73596
commit abf1cc1d80
52 changed files with 3869 additions and 14 deletions
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12
dCommon/ZCompression.h
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@@ -1,6 +1,9 @@
#pragma once
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
namespace ZCompression {
uint32_t GetMaxCompressedLength(uint32_t nLenSrc);
@@ -8,5 +11,14 @@ namespace ZCompression {
int32_t Compress(const uint8_t* abSrc, uint32_t nLenSrc, uint8_t* abDst, uint32_t nLenDst);
int32_t Decompress(const uint8_t* abSrc, uint32_t nLenSrc, uint8_t* abDst, uint32_t nLenDst, int32_t& nErr);
// `data` as a gzip file (RFC 1952), what HTTP clients and the game client's UGC downloads inflate
std::string Gzip(std::string_view data);
// A gzip file's contents; nullopt when it isn't one or is damaged
std::optional<std::string> Gunzip(std::string_view data);
// Raw deflate data (no zlib or gzip header, as in zip files) that inflates to `size` bytes; nullopt when it doesn't
std::optional<std::string> InflateRaw(std::string_view data, size_t size);
}