refactor: Entire code base, thread and log usage

Boils down to:
- Include headers
- Reduce boiler plate with helpers
- Swap out explicit usages with core API layer
  and ensure the right API is configured beforehand

src/main/bsthook/dllmain.c

@@ -2,9 +2,14 @@
 
 #include <stdbool.h>
 
+#include "avs-util/core-interop.h"
+
 #include "bemanitools/bstio.h"
 #include "bemanitools/eamio.h"
 
+#include "core/log.h"
+#include "core/thread.h"
+
 #include "hook/iohook.h"
 
 #include "hooklib/app.h"
@@ -18,7 +23,6 @@
 
 #include "util/cmdline.h"
 #include "util/defs.h"
-#include "util/log.h"
 
 static bool my_dll_entry_init(char *sidcode, struct property_node *config);
 static bool my_dll_entry_main(void);
@@ -33,19 +37,23 @@ static bool my_dll_entry_init(char *sidcode, struct property_node *config)
 
     log_info("Starting up BeatStream IO backend");
 
-    bst_io_set_loggers(
-        log_body_misc, log_body_info, log_body_warning, log_body_fatal);
+    core_log_impl_assign(bst_io_set_loggers);
 
-    ok = bst_io_init(avs_thread_create, avs_thread_join, avs_thread_destroy);
+    ok = bst_io_init(
+        core_thread_create_impl_get(),
+        core_thread_join_impl_get(),
+        core_thread_destroy_impl_get());
 
     if (!ok) {
         goto bst_io_fail;
     }
 
-    eam_io_set_loggers(
-        log_body_misc, log_body_info, log_body_warning, log_body_fatal);
+    core_log_impl_assign(eam_io_set_loggers);
 
-    ok = eam_io_init(avs_thread_create, avs_thread_join, avs_thread_destroy);
+    ok = eam_io_init(
+        core_thread_create_impl_get(),
+        core_thread_join_impl_get(),
+        core_thread_destroy_impl_get());
 
     if (!ok) {
         goto eam_io_fail;
@@ -91,8 +99,9 @@ BOOL WINAPI DllMain(HMODULE self, DWORD reason, void *ctx)
         return TRUE;
     }
 
-    log_to_external(
-        log_body_misc, log_body_info, log_body_warning, log_body_fatal);
+    // Use AVS APIs
+    avs_util_core_interop_thread_avs_impl_set();
+    avs_util_core_interop_log_avs_impl_set();
 
     args_recover(&argc, &argv);