Add WIP SDK generator

CMakeLists.txt

@@ -83,6 +83,15 @@ FetchContent_Declare(safetyhook
 )
 FetchContent_MakeAvailable(safetyhook)
 
+message(STATUS "Fetching sdkgenny (f58077f8da8a271490c17558e93b75843b3afd19)...")
+FetchContent_Declare(sdkgenny
+	GIT_REPOSITORY
+		"https://github.com/cursey/sdkgenny"
+	GIT_TAG
+		f58077f8da8a271490c17558e93b75843b3afd19
+)
+FetchContent_MakeAvailable(sdkgenny)
+
 message(STATUS "Fetching openxr (458984d7f59d1ae6dc1b597d94b02e4f7132eaba)...")
 FetchContent_Declare(openxr
 	GIT_REPOSITORY
@@ -790,6 +799,7 @@ list(APPEND ue4poc_SOURCES
 	"src/mods/PluginLoader.cpp"
 	"src/mods/UObjectHook.cpp"
 	"src/mods/VR.cpp"
+	"src/mods/uobjecthook/SDKDumper.cpp"
 	"src/mods/vr/Bindings.cpp"
 	"src/mods/vr/CVarManager.cpp"
 	"src/mods/vr/D3D11Component.cpp"
@@ -822,6 +832,7 @@ list(APPEND ue4poc_SOURCES
 	"src/mods/PluginLoader.hpp"
 	"src/mods/UObjectHook.hpp"
 	"src/mods/VR.hpp"
+	"src/mods/uobjecthook/SDKDumper.hpp"
 	"src/mods/vr/CVarManager.hpp"
 	"src/mods/vr/D3D11Component.hpp"
 	"src/mods/vr/D3D12Component.hpp"
@@ -895,6 +906,7 @@ target_link_libraries(ue4poc PUBLIC
 	TracyClient
 	DirectXTK
 	DirectXTK12
+	sdkgenny
 )
 
 target_link_libraries(ue4poc PUBLIC

cmake.toml

@@ -56,6 +56,10 @@ cmake-before="""
 set(SAFETYHOOK_FETCH_ZYDIS ON)
 """
 
+[fetch-content.sdkgenny]
+git = "https://github.com/cursey/sdkgenny"
+tag = "f58077f8da8a271490c17558e93b75843b3afd19"
+
 [fetch-content.openxr]
 git = "https://github.com/KhronosGroup/OpenXR-SDK"
 tag = "458984d7f59d1ae6dc1b597d94b02e4f7132eaba"
@@ -249,7 +253,8 @@ link-libraries = [
     "Version",
     "TracyClient",
     "DirectXTK",
-    "DirectXTK12"
+    "DirectXTK12",
+    "sdkgenny"
 ]
 
 [template.ue4template.properties]

shared/sdk/UObjectArray.hpp

@@ -26,6 +26,18 @@ struct FUObjectArray {
         return s_is_chunked;
     }
 
+    static bool is_inlined() {
+        return s_is_inlined_array;
+    }
+
+    static size_t get_objects_offset() {
+        return OBJECTS_OFFSET;
+    }
+
+    static size_t get_item_distance() {
+        return s_item_distance;
+    }
+
     int32_t get_object_count() {
         if (s_is_inlined_array) {
             constexpr auto offs = OBJECTS_OFFSET + (MAX_INLINED_CHUNKS * sizeof(void*));
@@ -80,14 +92,15 @@ struct FUObjectArray {
         return *(void**)((uintptr_t)this + OBJECTS_OFFSET);
     }
 
-private:
+public:
     // for <= 4.10
     constexpr static inline auto MAX_INLINED_CHUNKS =  ((8 * 1024 * 1024) + 16384 - 1) / 16384;
     constexpr static inline auto OBJECTS_PER_CHUNK_INLINED = 16384;
 
     // for some newer versions
     constexpr static inline auto OBJECTS_PER_CHUNK = 64 * 1024;
 
+private:
     // has remained true for a long time
     constexpr static inline auto OBJECTS_OFFSET = 0x10;
 

shared/sdk/UObjectBase.hpp

@@ -38,6 +38,30 @@ class UObjectBase {
         return s_outer_private_offset + sizeof(void*);
     }
 
+    static uint32_t get_process_event_index() {
+        return s_process_event_index;
+    }
+
+    static uint32_t get_object_flags_offset() {
+        return s_object_flags_offset;
+    }
+
+    static uint32_t get_internal_index_offset() {
+        return s_internal_index_offset;
+    }
+
+    static uint32_t get_class_private_offset() {
+        return s_class_private_offset;
+    }
+
+    static uint32_t get_fname_offset() {
+        return s_fname_offset;
+    }
+
+    static uint32_t get_outer_private_offset() {
+        return s_outer_private_offset;
+    }
+
     static std::optional<uintptr_t> get_vtable();
     static std::optional<uintptr_t> get_destructor();
     static std::optional<uintptr_t> get_add_object();

src/mods/UObjectHook.cpp

@@ -24,6 +24,7 @@
 #include <sdk/FObjectProperty.hpp>
 #include <sdk/FArrayProperty.hpp>
 
+#include "uobjecthook/SDKDumper.hpp"
 #include "VR.hpp"
 
 #include "UObjectHook.hpp"
@@ -1522,7 +1523,7 @@ sdk::UObject* UObjectHook::StatePath::resolve() const {
                 break;
             }
 
-            // Need to handle StructProperty and ArrayProperty but whatever.
+            // Need to handle StructProperty but whatever.
             default:
                 SPDLOG_ERROR("[UObjectHook] Unsupported persistent property type {}", utility::narrow(prop_t_name));
                 break;
@@ -1579,6 +1580,8 @@ void UObjectHook::on_draw_sidebar_entry(std::string_view in_entry) {
         draw_main();
     } else if (in_entry == "Config") {
         draw_config();
+    } else if (in_entry == "Developer") {
+        draw_developer();
     }
 }
 
@@ -1588,6 +1591,12 @@ void UObjectHook::draw_config() {
     m_attach_lerp_speed->draw("Attach Lerp Speed");
 }
 
+void UObjectHook::draw_developer() {
+    if (ImGui::Button("Dump SDK")) {
+        SDKDumper::dump();
+    }
+}
+
 void UObjectHook::draw_main() {
     if (!m_motion_controller_attached_components.empty()) {
         const auto made = ImGui::TreeNode("Attached Components");

src/mods/UObjectHook.hpp

@@ -52,7 +52,8 @@ class UObjectHook : public Mod {
     std::vector<SidebarEntryInfo> get_sidebar_entries() override { 
         return {
             { "Main", true },
-            { "Config", false }
+            { "Config", false },
+            { "Developer", true }
         };
     }
 
@@ -64,6 +65,7 @@ class UObjectHook : public Mod {
     void on_draw_ui() override;
 
     void draw_config();
+    void draw_developer();
     void draw_main();
 
     void on_pre_calculate_stereo_view_offset(void* stereo_device, const int32_t view_index, Rotator<float>* view_rotation,