Add GameEntry.thread_create_callback

librecomp/include/librecomp/game.hpp

@@ -30,6 +30,8 @@ namespace recomp {
         gpr entrypoint_address;
         void (*entrypoint)(uint8_t* rdram, recomp_context* context);
 
+        void (*thread_create_callback)(uint8_t* rdram, recomp_context* context);
+
         std::u8string stored_filename() const;
     };
     struct Version {

librecomp/src/recomp.cpp

@@ -420,12 +420,23 @@ extern "C" void do_break(uint32_t vram) {
     exit(EXIT_FAILURE);
 }
 
+std::optional<std::u8string> current_game = std::nullopt;
+std::atomic<GameStatus> game_status = GameStatus::None;
+
 void run_thread_function(uint8_t* rdram, uint64_t addr, uint64_t sp, uint64_t arg) {
+    auto find_it = game_roms.find(current_game.value());
+    const recomp::GameEntry& game_entry = find_it->second;
+
     recomp_context ctx{};
     ctx.r29 = sp;
     ctx.r4 = arg;
     ctx.mips3_float_mode = 0;
     ctx.f_odd = &ctx.f0.u32h;
+
+    if (game_entry.thread_create_callback != nullptr) {
+        game_entry.thread_create_callback(rdram, &ctx);
+    }
+
     recomp_func_t* func = get_function(addr);
     func(rdram, &ctx);
 }
@@ -462,9 +473,6 @@ void init(uint8_t* rdram, recomp_context* ctx, gpr entrypoint) {
     MEM_W(osMemSize, 0) = 8 * 1024 * 1024; // 8MB
 }
 
-std::optional<std::u8string> current_game = std::nullopt;
-std::atomic<GameStatus> game_status = GameStatus::None;
-
 std::u8string recomp::current_game_id() {
     std::lock_guard<std::mutex> lock(current_game_mutex);
     return current_game.value();