fix the filenames for the code files + minor fixes (#1159)

* some changes to make the `anim-tester` kinda work

* types for `lava` (who cares)

* fix divide by zero macros

* cleanup filenames

* fix tests + minor bug

game/runtime.cpp

@@ -55,6 +55,7 @@
 
 #include "common/goal_constants.h"
 #include "common/cross_os_debug/xdbg.h"
+#include "common/util/FileUtil.h"
 
 u8* g_ee_main_mem = nullptr;
 std::thread::id g_main_thread_id = std::thread::id();
@@ -277,6 +278,8 @@ u32 exec_runtime(int argc, char** argv) {
   g_argv = argv;
   g_main_thread_id = std::this_thread::get_id();
 
+  file_util::create_dir_if_needed("game_config/");
+
   // parse opengoal arguments
   bool enable_display = true;
   for (int i = 1; i < argc; i++) {