msvc toolchain

recover when failing to find field type

.cargo/config.toml

@@ -0,0 +1,36 @@
+[build]
+target = "x86_64-pc-windows-msvc"
+
+[target.x86_64-pc-windows-msvc]
+linker = "lld-link"
+rustflags = [
+"-C",
+"link-args=/libpath:/home/user/.xwin/xwin/crt/lib/x86_64",
+"-C",
+"link-args=/libpath:/home/user/.xwin/xwin/sdk/lib/um/x86_64",
+"-C",
+"link-args=/libpath:/home/user/.xwin/xwin/sdk/lib/ucrt/x86_64"
+]
+
+[env]
+CC_x86_64_pc_windows_msvc="clang-cl"
+CXX_x86_64_pc_windows_msvc="clang-cl"
+AR_x86_64_pc_windows_msvc="llvm-lib"
+LD_x86_64_pc_windows_msvc="lld-link"
+# wine can be quite spammy with log messages and they're generally uninteresting
+WINEDEBUG="-all"
+# Use wine to run test executables
+CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_RUNNER="wine"
+# Note that we only disable unused-command-line-argument here since clang-cl
+# doesn't implement all of the options supported by cl, but the ones it doesn't
+# are _generally_ not interesting.
+CL_FLAGS="-Wno-unused-command-line-argument -fuse-ld=lld-link /imsvc/home/user/.xwin/xwin/crt/include /imsvc/home/user/.xwin/xwin/sdk/include/ucrt /imsvc/home/user/.xwin/xwin/sdk/include/um /imsvc/home/user/.xwin/xwin/sdk/include/shared"
+
+CFLAGS_x86_64_pc_windows_msvc="-Wno-unused-command-line-argument -fuse-ld=lld-link /imsvc/home/user/.xwin/xwin/crt/include /imsvc/home/user/.xwin/xwin/sdk/include/ucrt /imsvc/home/user/.xwin/xwin/sdk/include/um /imsvc/home/user/.xwin/xwin/sdk/include/shared"
+CXXFLAGS_x86_64_pc_windows_msvc="-Wno-unused-command-line-argument -fuse-ld=lld-link /imsvc/home/user/.xwin/xwin/crt/include /imsvc/home/user/.xwin/xwin/sdk/include/ucrt /imsvc/home/user/.xwin/xwin/sdk/include/um /imsvc/home/user/.xwin/xwin/sdk/include/shared"
+# Let cargo know what linker to invoke if you haven't already specified it
+# in a .cargo/config.toml file
+CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER="lld-link"
+CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_RUSTFLAGS="-Lnative=/home/user/.xwin/xwin/crt/lib/x86_64 -Lnative=/home/user/.xwin/xwin/sdk/lib/um/x86_64 -Lnative=/home/user/.xwin/xwin/sdk/lib/ucrt/x86_64"
+
+LDFLAGS_x86_64_pc_windows_msvc="/libpath:/home/user/.xwin/xwin/crt/lib/x86_64 libpath:/home/user/.xwin/xwin/sdk/lib/um/x86_64 /libpath:/home/user/.xwin/xwin/sdk/lib/ucrt/x86_64"

Cargo.toml

@@ -1,20 +1,3 @@
-[package]
-name = "unreal-sdk"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-log = "0.4.0"
-thiserror = "1.0.0"
-itertools = "0.10.0"
-rayon = "1.0.0"
-bitflags = "1.0.0"
-anyhow = "1.0"
-widestring = "1.0"
-lazy_static = "1.4.0"
-once_cell = "1.17.1"
-
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+[workspace]
+members = ["sdk-serializer", "unreal-sdk", "sdk-generator", "pdb-helper"]
+resolver = "2"

pdb-helper/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "pdb-helper"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+log = "0.4.0"
+anyhow = "1.0"
+once_cell = "1.17.1"
+pdb = "0.8.0"
+
+[dependencies.windows]
+version = "0.44"
+features = [
+"Win32_Foundation",
+"Win32_System_Threading",
+"Win32_System_LibraryLoader",
+"Win32_UI_WindowsAndMessaging",
+]

pdb-helper/src/lib.rs

@@ -0,0 +1,189 @@
+use std::{ptr::NonNull, sync::Mutex};
+
+use anyhow::Context;
+use once_cell::sync::OnceCell;
+use pdb::{DataSymbol, FallibleIterator, ProcedureReferenceSymbol, ProcedureSymbol, SymbolData};
+use windows::{core::PCWSTR, Win32::System::LibraryLoader::GetModuleHandleW};
+
+#[derive(Debug, Clone, Copy)]
+pub struct Globals {
+    pub names: NonNull<()>,
+    pub objects: NonNull<()>,
+    pub process_event: usize,
+}
+
+static PDB: OnceCell<Mutex<PdbCtx>> = OnceCell::new();
+
+pub fn get_pdb() -> std::sync::MutexGuard<'static, PdbCtx> {
+    PDB.get_or_init(|| Mutex::new(PdbCtx::new().expect("failed to create PDB helper.")))
+        .lock()
+        .unwrap()
+}
+
+#[derive(Debug)]
+pub struct PdbCtx {
+    base: usize,
+    pdb: pdb::PDB<'static, std::fs::File>,
+}
+
+// i dont care i need this to be safe and its stored as a dyn so any Send trait is removed
+unsafe impl Send for PdbCtx {}
+
+impl PdbCtx {
+    pub fn new() -> anyhow::Result<Self> {
+        let base = unsafe {
+            GetModuleHandleW(PCWSTR::null())
+                .context("could not get process base")?
+                .0 as usize
+        };
+
+        let pdb_path = std::env::current_exe()
+            .context("current exe")?
+            .with_file_name("ShooterGame.pdb");
+        let pdb_file = std::fs::File::open(&pdb_path).context("pdb file open")?;
+
+        let pdb = pdb::PDB::open(pdb_file).context("parse pdb file")?;
+
+        Ok(Self { base, pdb })
+    }
+
+    /// returns the address of the function
+    pub fn find_function(&mut self, function_name: &str) -> anyhow::Result<usize> {
+        let globals = self.pdb.global_symbols().context("global symbols")?;
+        let mut iter = globals.iter();
+
+        while let Some(symbol) = iter.next()? {
+            match symbol.parse() {
+                Ok(pdb::SymbolData::ProcedureReference(data))
+                    if data.name.map(|name| name.to_string() == function_name) == Some(true) =>
+                {
+                    log::trace!("{data:?}");
+                    let dbg_info = self.pdb.debug_information()?;
+                    let mods = dbg_info
+                        .modules()?
+                        .nth(data.module.context("module idx none")?)
+                        .context("module not found")?
+                        .context("module found but none")?;
+                    let a = self
+                        .pdb
+                        .module_info(&mods)
+                        .context("module info not found")?
+                        .context("module info found but none")?;
+                    let sym = a
+                        .symbols_at(data.symbol_index)
+                        .context("symbol not found")?
+                        .next()
+                        .context("symbol failed to read")?
+                        .context("symbol read but none")?
+                        .parse()
+                        .context("symbol failed to parse")?;
+
+                    log::debug!("actual symbol: {sym:?}");
+
+                    if let SymbolData::Procedure(ProcedureSymbol { offset, .. }) = sym {
+                        // asdf
+                        let get_names = offset
+                            .to_rva(&self.pdb.address_map()?)
+                            .context("rva none")?;
+                        return Ok(self.base + get_names.0 as usize);
+                    } else {
+                        return Err(anyhow::anyhow!("no proceduresymbol found"));
+                    }
+                }
+                _ => {}
+            }
+        }
+        return Err(anyhow::anyhow!("no procedureref found"));
+    }
+
+    pub fn parse_names(&mut self, data: ProcedureReferenceSymbol) -> anyhow::Result<usize> {
+        log::trace!("{data:?}");
+        let dbg_info = self.pdb.debug_information()?;
+        let mods = dbg_info
+            .modules()?
+            .nth(data.module.context("module idx none")?)
+            .context("module not found")?
+            .context("module found but none")?;
+        let a = self
+            .pdb
+            .module_info(&mods)
+            .context("module info not found")?
+            .context("module info found but none")?;
+        let sym = a
+            .symbols_at(data.symbol_index)
+            .context("symbol not found")?
+            .next()
+            .context("symbol failed to read")?
+            .context("symbol read but none")?
+            .parse()
+            .context("symbol failed to parse")?;
+
+        log::debug!("actual symbol: {sym:?}");
+
+        if let SymbolData::Procedure(ProcedureSymbol { offset, .. }) = sym {
+            // asdf
+            let get_names = offset
+                .to_rva(&self.pdb.address_map()?)
+                .context("rva none")?;
+            let get_names = unsafe {
+                core::mem::transmute::<_, unsafe extern "win64" fn() -> *mut ()>(
+                    self.base + get_names.0 as usize,
+                )
+            };
+
+            let names = unsafe { get_names() };
+
+            log::debug!("names: {:?}", names);
+
+            Ok(names as usize)
+        } else {
+            Err(anyhow::anyhow!("no proceduresymbol found"))
+        }
+    }
+
+    pub fn parse_objects(&mut self, data: DataSymbol) -> anyhow::Result<usize> {
+        let get_names = data
+            .offset
+            .to_rva(&self.pdb.address_map()?)
+            .context("rva none")?;
+        let objects = self.base + get_names.0 as usize;
+
+        Ok(objects)
+    }
+
+    pub fn find_ue_globals(&mut self) -> anyhow::Result<Globals> {
+        let globals = self.pdb.global_symbols().context("global symbols")?;
+        let mut iter = globals.iter();
+
+        let mut names = None;
+        let mut objects = None;
+
+        while let Some(symbol) = iter.next()? {
+            match symbol.parse() {
+                Ok(pdb::SymbolData::Data(data)) if data.name.to_string() == "GUObjectArray" => {
+                    objects = Some(self.parse_objects(data)?);
+                }
+                Ok(pdb::SymbolData::ProcedureReference(data))
+                    if data.name.map(|name| name.to_string() == "FName::GetNames")
+                        == Some(true) =>
+                {
+                    names = Some(self.parse_names(data)?);
+                }
+                _ => {}
+            }
+        }
+
+        let process_event = self
+            .find_function("UObject::ProcessEvent")
+            .context("could not find UObject::ProcessEvent!")?;
+
+        let names = names.context("could not find names!")?;
+        let objects = objects.context("could not find objects!")?;
+
+        Ok(Globals {
+            names: NonNull::new(names as _).context("GNames was null!")?,
+            objects: NonNull::new(objects as _).context("GObjects was null!")?,
+            process_event,
+        })
+    }
+}

sdk-generator/.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

sdk-generator/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "sdk-generator"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+
+[lib]
+name = "sdk_generator_version"
+path = "src/lib.rs"
+crate-type = ["cdylib"]
+
+[dependencies]
+log = "0.4.0"
+anyhow = "1.0"
+pdb-helper = {path = "../pdb-helper"}
+
+simple_logger = "*"
+
+unreal-sdk = {path = "../unreal-sdk"}
+
+[dependencies.windows]
+version = "0.44"
+features = [
+"Win32_Foundation",
+"Win32_System_Threading",
+]

sdk-generator/build.rs

@@ -0,0 +1,11 @@
+use std::path::PathBuf;
+
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+
+    let root = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let def = root.join("proxy.def");
+    println!("cargo:rustc-link-lib=dylib=d3d11");
+    println!("cargo:rustc-link-arg=/def:{}", def.display());
+}

sdk-generator/proxy.def

@@ -0,0 +1,20 @@
+LIBRARY VERSION.dll
+EXPORTS
+	GetFileVersionInfoA=c:\windows\system32\version.dll.GetFileVersionInfoA
+	GetFileVersionInfoByHandle=c:\windows\system32\version.dll.GetFileVersionInfoByHandle
+	GetFileVersionInfoExA=c:\windows\system32\version.dll.GetFileVersionInfoExA
+	GetFileVersionInfoExW=c:\windows\system32\version.dll.GetFileVersionInfoExW
+	GetFileVersionInfoSizeA=c:\windows\system32\version.dll.GetFileVersionInfoSizeA
+	GetFileVersionInfoSizeExA=c:\windows\system32\version.dll.GetFileVersionInfoSizeExA
+	GetFileVersionInfoSizeExW=c:\windows\system32\version.dll.GetFileVersionInfoSizeExW
+	GetFileVersionInfoSizeW=c:\windows\system32\version.dll.GetFileVersionInfoSizeW
+	GetFileVersionInfoW=c:\windows\system32\version.dll.GetFileVersionInfoW
+	VerFindFileA=c:\windows\system32\version.dll.VerFindFileA
+	VerFindFileW=c:\windows\system32\version.dll.VerFindFileW
+	VerInstallFileA=c:\windows\system32\version.dll.VerInstallFileA
+	VerInstallFileW=c:\windows\system32\version.dll.VerInstallFileW
+	VerLanguageNameA=c:\windows\system32\version.dll.VerLanguageNameA
+	VerLanguageNameW=c:\windows\system32\version.dll.VerLanguageNameW
+	VerQueryValueA=c:\windows\system32\version.dll.VerQueryValueA
+	VerQueryValueW=c:\windows\system32\version.dll.VerQueryValueW
+ 

sdk-generator/src/lib.rs

@@ -0,0 +1,88 @@
+use std::{collections::HashSet, time::Duration};
+
+use pdb_helper as pdb;
+use simple_logger::SimpleLogger;
+use unreal_sdk::sdk::output::rust::generate_partial_sdk_to_tmp;
+use windows::s;
+
+#[no_mangle]
+pub extern "win64" fn DllMain(_module: usize, reason: u32, _: usize) -> bool {
+    match reason {
+        1 => {
+            if std::env::current_exe()
+                .expect("current exe")
+                .file_name()
+                .expect("file name")
+                .to_string_lossy()
+                == "ShooterGame.exe"
+            {
+                SimpleLogger::new().init().unwrap();
+                log::info!("hello");
+                std::thread::spawn(move || {
+                    let _wnd = loop {
+                        let window = unsafe {
+                            windows::Win32::UI::WindowsAndMessaging::FindWindowA(
+                                None,
+                                s!("ARK: Survival Evolved"),
+                            )
+                        };
+                        if window.0 != 0 {
+                            log::debug!("found window: {window:?}");
+                            break window;
+                        }
+
+                        log::trace!("window was 0");
+                        std::thread::sleep(std::time::Duration::from_millis(150));
+                    };
+
+                    let globals = pdb::get_pdb().find_ue_globals().expect("globals");
+                    unreal_sdk::global_tables::names::GNAMES
+                        .write()
+                        .unwrap()
+                        .set_names(globals.names.cast());
+                    unreal_sdk::global_tables::objects::GOBJECTS
+                        .write()
+                        .unwrap()
+                        .set_objects(globals.objects.cast());
+
+                    std::thread::sleep(Duration::from_secs(30));
+                    let sdk = unreal_sdk::sdk::Sdk::new().patch();
+                    _ = generate_partial_sdk_to_tmp(
+                        &sdk,
+                        HashSet::from_iter([
+                            "Package_ShooterGame",
+                            "Package_DeathItemCache",
+                            "Package_WeapC4",
+                            "Package_ExplorerChest_Base",
+                            "Package_PointOfInterestBP_MissionStart",
+                            "Package_BP_DedicatedStorage",
+                            "Package_ElectricGenerator",
+                            "Package_ExplorerChest_Base",
+                            "Package_FeedingTroughBaseBP",
+                            "Package_MilkGlider_Character_BP",
+                            "Package_PointOfInterestBP_MissionStart",
+                            "Package_SleepingBag",
+                            "Package_StorageBox_Huge",
+                            "Package_StorageBox_TekGenerator",
+                            "Package_StructureAmmoContainer",
+                            "Package_StructureTurretBaseBP_Heavy",
+                            "Package_StructureTurretBaseBP",
+                            "Package_StructureTurretTek",
+                            "Package_Structure_DinoLeash",
+                            "Package_Structure_TekAlarm",
+                            "Package_BP_DedicatedStorage",
+                            "Package_Buff_Companion_HLNA",
+                            "Package_Buff_TekArmor_Pants",
+                            "Package_Buff_TekArmor_Gloves",
+                            "Package_Buff_TekArmor_Sword",
+                            "Package_Buff_TekArmor_Shirt_Rework",
+                        ]),
+                    );
+                });
+            }
+        }
+        _ => {}
+    }
+
+    true
+}

sdk-serializer/.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

sdk-serializer/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "sdk-serializer"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+name = "sdk_serializer_version"
+path = "src/lib.rs"
+crate-type = ["cdylib"]
+
+[dependencies]
+log = "0.4.0"
+anyhow = "1.0"
+pdb-helper = {path = "../pdb-helper"}
+simple_logger = "*"
+
+unreal-sdk = {path = "../unreal-sdk"}
+
+[dependencies.windows]
+version = "0.44"
+features = [
+"Win32_Foundation",
+"Win32_System_Threading",
+]

sdk-serializer/build.rs

@@ -0,0 +1,11 @@
+use std::path::PathBuf;
+
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+
+    let root = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let def = root.join("proxy.def");
+    println!("cargo:rustc-link-lib=dylib=d3d11");
+    println!("cargo:rustc-link-arg=/def:{}", def.display());
+}

sdk-serializer/proxy.def

@@ -0,0 +1,20 @@
+LIBRARY VERSION.dll
+EXPORTS
+	GetFileVersionInfoA=c:\windows\system32\version.dll.GetFileVersionInfoA
+	GetFileVersionInfoByHandle=c:\windows\system32\version.dll.GetFileVersionInfoByHandle
+	GetFileVersionInfoExA=c:\windows\system32\version.dll.GetFileVersionInfoExA
+	GetFileVersionInfoExW=c:\windows\system32\version.dll.GetFileVersionInfoExW
+	GetFileVersionInfoSizeA=c:\windows\system32\version.dll.GetFileVersionInfoSizeA
+	GetFileVersionInfoSizeExA=c:\windows\system32\version.dll.GetFileVersionInfoSizeExA
+	GetFileVersionInfoSizeExW=c:\windows\system32\version.dll.GetFileVersionInfoSizeExW
+	GetFileVersionInfoSizeW=c:\windows\system32\version.dll.GetFileVersionInfoSizeW
+	GetFileVersionInfoW=c:\windows\system32\version.dll.GetFileVersionInfoW
+	VerFindFileA=c:\windows\system32\version.dll.VerFindFileA
+	VerFindFileW=c:\windows\system32\version.dll.VerFindFileW
+	VerInstallFileA=c:\windows\system32\version.dll.VerInstallFileA
+	VerInstallFileW=c:\windows\system32\version.dll.VerInstallFileW
+	VerLanguageNameA=c:\windows\system32\version.dll.VerLanguageNameA
+	VerLanguageNameW=c:\windows\system32\version.dll.VerLanguageNameW
+	VerQueryValueA=c:\windows\system32\version.dll.VerQueryValueA
+	VerQueryValueW=c:\windows\system32\version.dll.VerQueryValueW
+ 

sdk-serializer/src/lib.rs

@@ -0,0 +1,59 @@
+use pdb_helper as pdb;
+use simple_logger::SimpleLogger;
+use std::time::Duration;
+use windows::s;
+
+#[no_mangle]
+pub extern "win64" fn DllMain(_module: usize, reason: u32, _: usize) -> bool {
+    match reason {
+        1 => {
+            if std::env::current_exe()
+                .expect("current exe")
+                .file_name()
+                .expect("file name")
+                .to_string_lossy()
+                == "ShooterGame.exe"
+            {
+                SimpleLogger::new().init().unwrap();
+                log::info!("hello");
+                std::thread::spawn(move || {
+                    let _wnd = loop {
+                        let window = unsafe {
+                            windows::Win32::UI::WindowsAndMessaging::FindWindowA(
+                                None,
+                                s!("ARK: Survival Evolved"),
+                            )
+                        };
+                        if window.0 != 0 {
+                            log::debug!("found window: {window:?}");
+                            break window;
+                        }
+
+                        log::trace!("window was 0");
+                        std::thread::sleep(std::time::Duration::from_millis(150));
+                    };
+
+                    let globals = pdb::get_pdb().find_ue_globals().expect("globals");
+                    unreal_sdk::global_tables::names::GNAMES
+                        .write()
+                        .unwrap()
+                        .set_names(globals.names.cast());
+                    unreal_sdk::global_tables::objects::GOBJECTS
+                        .write()
+                        .unwrap()
+                        .set_objects(globals.objects.cast());
+
+                    std::thread::sleep(Duration::from_secs(30));
+
+                    let sdk = unreal_sdk::sdk::repr::Sdk::build().expect("sdk");
+
+                    sdk.save_to_path("z:/tmp/sdk.ron").expect("writing sdk");
+                    log::info!("done.");
+                });
+            }
+        }
+        _ => {}
+    }
+
+    true
+}

unreal-sdk/.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

unreal-sdk/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "unreal-sdk"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+log = "0.4.0"
+thiserror = "1.0.0"
+itertools = "0.10.0"
+rayon = "1.0.0"
+bitflags = "1.0.0"
+anyhow = "1.0"
+widestring = "1.0"
+lazy_static = "1.4.0"
+once_cell = "1.17.1"
+
+serde = { version = "1.0", features = ["derive"] }
+
+serde_json = "1.0"
+serde_json_any_key = "2.0.0"
+
+ron = "0.8.0"

unreal-sdk/rust-toolchain

@@ -0,0 +1 @@
+nightly

unreal-sdk/src/sdk/process.rs

@@ -1,9 +1,12 @@
 use std::collections::{btree_map::Entry, BTreeMap};
+use std::path::Path;
 
 use anyhow::Context;
 use itertools::Itertools;
-use rayon::prelude::{IntoParallelRefIterator, ParallelIterator};
+use rayon::prelude::{IntoParallelIterator, IntoParallelRefIterator, ParallelIterator};
+use ron::ser::PrettyConfig;
 
+use crate::global_tables::objects::GOBJECTS;
 use crate::sdk::repr::*;
 use crate::v2_types::{
     any_type::{self, AnyField, AnyObject, AnyProperty, AnyStruct},
@@ -11,12 +14,79 @@ use crate::v2_types::{
         AsUObject, UArrayPropertyTrait, UBoolPropertyTrait, UEnumPropertyTrait, UEnumTrait,
         UObjectNonConst, UObjectTrait, UPropertyTrait, UStructPropertyTrait, *,
     },
-    UClass, UEnum, UFunction, UProperty, UScriptStruct,
+    UClass, UEnum, UFunction, UProperty,
 };
+use crate::v2_types::{UScriptStruct, UStruct};
 
 use super::repr::{
     Class, ClassField, ClassMethod, Enum, Package, ProcessedPackage, Type, UnrealType,
 };
+use super::FoldIntoPackages;
+
+impl Sdk {
+    pub fn build() -> anyhow::Result<Self> {
+        let packages = Self::get_packages()?;
+
+        let packages = packages
+            .into_par_iter()
+            .map(|pkg| {
+                let package_ref = pkg
+                    .package_object
+                    .as_package_ref()
+                    .context("object was not a package object.");
+
+                let output =
+                    package_ref.and_then(|package_ref| pkg.process().map(|pkg| (package_ref, pkg)));
+
+                output
+            })
+            // remove empty packages
+            .filter(|pkg| {
+                pkg.as_ref()
+                    .map(|(_, pkg)| !pkg.types.is_empty())
+                    .unwrap_or(true)
+            })
+            .collect::<anyhow::Result<BTreeMap<_, _>>>()?;
+
+        Ok(Self { packages })
+    }
+
+    pub fn to_json(&self) -> Result<String, serde_json::Error> {
+        serde_json::to_string(self)
+    }
+
+    pub fn to_ron(&self) -> Result<String, ron::Error> {
+        ron::ser::to_string_pretty(self, PrettyConfig::new().compact_arrays(true))
+    }
+
+    pub fn save_to_path<P: AsRef<Path>>(&self, path: P) -> Result<(), anyhow::Error> {
+        self.to_ron()
+            .context("failed to serialize")
+            .and_then(|text| std::fs::write(path, text).context("failed to write to file."))
+    }
+
+    fn get_packages() -> anyhow::Result<Vec<Package>> {
+        let objects = GOBJECTS
+            .read()
+            .map_err(|_| anyhow::anyhow!("couldn't read gobject table"))?;
+        let objects = objects.as_objects().context("no object array")?;
+
+        let sorted_objects = objects
+            .iter()
+            .filter_map(|item| item.object())
+            .fold_into_packages();
+
+        let packages = sorted_objects
+            .into_iter()
+            .map(|(package_object, children)| Package {
+                package_object,
+                children,
+            })
+            .collect::<Vec<_>>();
+
+        Ok(packages)
+    }
+}
 
 fn default_or_anon(name: &str) -> bool {
     name.contains("Default__")
@@ -61,6 +131,7 @@ impl Enum {
                 });
 
         Ok(UnrealType::Enum(Enum {
+            obj_ref: value.as_uobject().object_ref(),
             name: value.get_name().context("could not get name")?,
             full_name: value.get_full_name().context("could not get full name")?,
             values,
@@ -69,11 +140,112 @@ impl Enum {
 }
 
 impl Class {
-    pub fn from_uclass(value: UClass) -> anyhow::Result<UnrealType> {
-        todo!()
+    pub fn from_uclass(class: UClass) -> anyhow::Result<UnrealType> {
+        Ok(UnrealType::Class(Self {
+            kind: StructKind::Object,
+            ..Self::from_struct_inner(unsafe { class.cast() })?
+        }))
     }
-    pub fn from_uscriptstruct(value: UScriptStruct) -> anyhow::Result<UnrealType> {
-        todo!()
+
+    pub fn from_actor(class: UClass) -> anyhow::Result<UnrealType> {
+        Ok(UnrealType::Actor(Self {
+            kind: StructKind::Actor,
+            ..Self::from_struct_inner(unsafe { class.cast() })?
+        }))
+    }
+
+    pub fn from_struct(strct: UScriptStruct) -> anyhow::Result<UnrealType> {
+        Ok(UnrealType::Struct(Self {
+            kind: StructKind::Struct,
+            ..Self::from_struct_inner(unsafe { strct.cast() })?
+        }))
+    }
+
+    fn from_struct_inner(strct: UStruct) -> anyhow::Result<Self> {
+        let name = strct.get_name().context("could not get function name")?;
+        let full_name = strct
+            .get_full_name()
+            .context("could not get full function name")?;
+
+        let super_class = strct.super_field().and_then(|supr| {
+            if supr != strct {
+                Some(supr.as_uobject().object_ref())
+            } else {
+                None
+            }
+        });
+
+        let (fields, methods) = Self::process_children(&strct);
+
+        Ok(Self {
+            obj_ref: strct.as_uobject().object_ref(),
+            kind: StructKind::Struct,
+            size: *strct.property_size() as u32,
+            name,
+            full_name,
+            super_class,
+            properties_size: *strct.property_size() as u32,
+            min_alignment: *strct.min_alignment() as u32,
+            fields,
+            methods,
+        })
+    }
+
+    /// returns tuple of (fields, methods)
+    fn process_children(strct: &UStruct) -> (Vec<ClassField>, Vec<ClassMethod>) {
+        enum ClassChild {
+            Field(ClassField),
+            Method(ClassMethod),
+        }
+
+        let (fields, methods) = strct
+            .iter_children()
+            .map(|field| -> anyhow::Result<Option<ClassChild>> {
+                let child = match any_type::AnyField::from_field(field) {
+                AnyField::Property(prop) => Some(ClassChild::Field(ClassField::from_uprop(prop)?)),
+                 AnyField::Struct(strct)
+                    if let AnyStruct::Function(func) = AnyStruct::from_struct(strct) => {
+                        {
+                            Some(ClassChild::Method(ClassMethod::from_ufunction(func)?))
+                        }
+                    }
+                _ => None,
+            };
+
+                Ok(child)
+            })
+            .filter_map(|prop| match prop {
+                Ok(field) => field,
+                Err(err) => {
+                    log::warn!("skipping field because: {err}");
+                    None
+                }
+            })
+            .fold(
+                (Vec::new(), Vec::new()),
+                |(mut fields, mut methods), child| {
+                    match child {
+                        ClassChild::Field(field) => fields.push(field),
+                        ClassChild::Method(method) => methods.push(method),
+                    }
+                    (fields, methods)
+                },
+            );
+
+        (fields, methods)
+    }
+
+    pub fn get_dependent_types(&self) -> Vec<ObjectRef> {
+        self.fields
+            .iter()
+            .filter_map(|field| field.ty.dependent_type())
+            .chain(
+                self.methods
+                    .iter()
+                    .flat_map(|method| method.get_dependent_types()),
+            )
+            .chain(self.super_class)
+            .collect::<Vec<_>>()
     }
 }
 
@@ -90,6 +262,10 @@ impl ClassField {
             ty: resolve_type(prop).context("failed to get field type")?,
         })
     }
+
+    pub fn get_dependent_types(&self) -> Vec<ObjectRef> {
+        self.ty.dependent_type().into_iter().collect()
+    }
 }
 
 impl ClassMethod {
@@ -115,29 +291,69 @@ impl ClassMethod {
             parameters: params,
         })
     }
+
+    pub fn get_dependent_types(&self) -> Vec<ObjectRef> {
+        self.parameters
+            .iter()
+            .filter_map(|field| field.ty.dependent_type())
+            .collect()
+    }
 }
 
 impl Package {
     pub fn process(self) -> anyhow::Result<ProcessedPackage> {
-        self.children
+        let types = self
+            .children
             .par_iter()
             .filter_map(|&object| -> Option<UnrealType> {
-                match AnyObject::from_object(object) {
+                let ty = match AnyObject::from_object(object) {
                     AnyObject::Field(field) => match AnyField::from_field(field) {
-                        AnyField::Enum(my_enum) => {}
+                        AnyField::Enum(my_enum) => Enum::from_uenum(my_enum),
                         AnyField::Struct(my_struct) => match AnyStruct::from_struct(my_struct) {
-                            my_struct @ AnyStruct::Class(_)
-                            | my_struct @ AnyStruct::ScriptStruct(_) => {}
-                            _ => {}
+                            AnyStruct::Class(class) => Class::from_uclass(class),
+                            AnyStruct::ScriptStruct(strct) => Class::from_struct(strct),
+                            AnyStruct::Actor(actor) => Class::from_actor(actor),
+                            _ => {
+                                return None;
+                            }
                         },
-                        _ => {}
+                        _ => {
+                            return None;
+                        }
                     },
-                    _ => {}
-                }
+                    _ => {
+                        return None;
+                    }
+                };
 
-                todo!()
-            });
-        todo!()
+                match ty {
+                    Ok(ty) => {
+                        return Some(ty);
+                    }
+                    Err(err) => {
+                        log::error!("failed to serialize object {object:?}: {err}");
+                        return None;
+                    }
+                }
+            })
+            .map(|ty| (ty.obj_ref(), ty))
+            .collect::<BTreeMap<_, _>>();
+
+        let dependencies = types
+            .iter()
+            .flat_map(|(_, ty)| ty.get_dependent_types().into_iter().map(|obj| obj.package))
+            .sorted()
+            .dedup()
+            .collect::<Vec<_>>();
+
+        Ok(ProcessedPackage {
+            package_object: self
+                .package_object
+                .as_package_ref()
+                .context("not actually a package object")?,
+            types,
+            dependencies,
+        })
     }
 }
 

unreal-sdk/src/sdk/repr.rs

@@ -35,7 +35,7 @@ pub struct ObjectRef {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Sdk {
-    packages: BTreeMap<PackageRef, ProcessedPackage>,
+    pub packages: BTreeMap<PackageRef, ProcessedPackage>,
 }
 
 /// A package represents some group of packages that are related to another,
@@ -58,7 +58,7 @@ pub struct ProcessedPackage {
     /// all types extracted from this package referenced by their `ObjectRef`.
     pub types: BTreeMap<ObjectRef, UnrealType>,
     /// All other packages that types in this package depend on directly.
-    pub dependencies: Vec<ObjectRef>,
+    pub dependencies: Vec<PackageRef>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -69,6 +69,26 @@ pub enum UnrealType {
     Enum(Enum),
 }
 
+impl UnrealType {
+    pub fn obj_ref(&self) -> ObjectRef {
+        match self {
+            UnrealType::Class(obj) => obj.obj_ref,
+            UnrealType::Struct(obj) => obj.obj_ref,
+            UnrealType::Actor(obj) => obj.obj_ref,
+            UnrealType::Enum(obj) => obj.obj_ref,
+        }
+    }
+
+    pub fn get_dependent_types(&self) -> Vec<ObjectRef> {
+        match self {
+            UnrealType::Class(obj) | UnrealType::Struct(obj) | UnrealType::Actor(obj) => {
+                obj.get_dependent_types()
+            }
+            UnrealType::Enum(_) => vec![],
+        }
+    }
+}
+
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub enum StructKind {
     Object,
@@ -78,6 +98,7 @@ pub enum StructKind {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Enum {
+    pub obj_ref: ObjectRef,
     pub name: String,
     pub full_name: String,
     pub values: BTreeMap<u32, String>,
@@ -85,6 +106,7 @@ pub struct Enum {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Class {
+    pub obj_ref: ObjectRef,
     pub kind: StructKind,
     pub size: u32,
     pub name: String,
@@ -94,9 +116,6 @@ pub struct Class {
     pub min_alignment: u32,
     pub fields: Vec<ClassField>,
     pub methods: Vec<ClassMethod>,
-    /// types this class depends on; includes super types, types of fields and
-    /// types of function parameters.
-    pub dependencies: Vec<ObjectRef>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -209,3 +228,19 @@ pub enum Type {
     Class(ObjectRef),
     Struct(ObjectRef),
 }
+
+impl Type {
+    pub fn dependent_type(&self) -> Option<ObjectRef> {
+        match self {
+            Type::Ptr(ty) | Type::Ref(ty) | Type::Array(ty) | Type::RawArray { ty, .. } => {
+                ty.dependent_type()
+            }
+            Type::WeakPtr(ty) | Type::SoftPtr(ty) | Type::LazyPtr(ty) | Type::AssetPtr(ty) => {
+                Some(*ty)
+            }
+            Type::Enum { underlying, .. } => underlying.dependent_type(),
+            Type::Class(ty) | Type::Struct(ty) => Some(*ty),
+            _ => None,
+        }
+    }
+}