added /info rest service to the embedded http server

cheevos.c

@@ -2365,3 +2365,8 @@ void cheevos_set_support_cheevos(bool state)
 {
    cheevos_locals.core_supports = state;
 }
+
+bool cheevos_get_support_cheevos(void)
+{
+  return cheevos_locals.core_supports;
+}

cheevos.h

@@ -57,6 +57,8 @@ bool cheevos_set_cheats(void);
 
 void cheevos_set_support_cheevos(bool state);
 
+bool cheevos_get_support_cheevos(void);
+
 void cheevos_parse_guest_addr(cheevos_var_t *var, unsigned value);
 
 uint8_t *cheevos_get_memory(const cheevos_var_t *var);

core.h

@@ -57,6 +57,11 @@ typedef struct retro_ctx_api_info
    unsigned version;
 } retro_ctx_api_info_t;
 
+typedef struct retro_ctx_region_info
+{
+  unsigned region;
+} retro_ctx_region_info_t;
+
 typedef struct retro_ctx_controller_info
 {
    unsigned port;
@@ -160,6 +165,8 @@ bool core_api_version(retro_ctx_api_info_t *api);
  */
 bool core_verify_api_version(void);
 
+bool core_get_region(retro_ctx_region_info_t *info);
+
 bool core_get_memory(retro_ctx_memory_info_t *info);
 
 /* Initialize system A/V information. */
@@ -184,6 +191,8 @@ void core_uninit_symbols(void);
 
 void core_set_input_state(retro_ctx_input_state_info_t *info);
 
+bool core_is_game_loaded(void);
+
 RETRO_END_DECLS
 
 #endif

core_impl.c

@@ -40,6 +40,7 @@
 #endif
 
 static struct retro_core_t core;
+static bool                core_game_loaded;
 static unsigned            core_poll_type;
 static bool                core_input_polled;
 static bool   core_has_set_input_descriptors = false;
@@ -247,8 +248,11 @@ bool core_load_game(retro_ctx_load_content_info_t *load_info)
       return false;
 
    if (load_info->special)
-      return core.retro_load_game_special(load_info->special->id, load_info->info, load_info->content->size);
-   return core.retro_load_game(*load_info->content->elems[0].data ? load_info->info : NULL);
+      core_game_loaded = core.retro_load_game_special(load_info->special->id, load_info->info, load_info->content->size);
+   else
+      core_game_loaded = core.retro_load_game(*load_info->content->elems[0].data ? load_info->info : NULL);
+
+   return core_game_loaded;
 }
 
 bool core_get_system_info(struct retro_system_info *system)
@@ -343,6 +347,7 @@ bool core_unload_game(void)
    video_driver_deinit_hw_context();
    audio_driver_stop();
    core.retro_unload_game();
+   core_game_loaded = false;
    return true;
 }
 
@@ -398,6 +403,14 @@ bool core_verify_api_version(void)
    return true;
 }
 
+bool core_get_region(retro_ctx_region_info_t *info)
+{
+  if (!info)
+    return false;
+  info->region = core.retro_get_region();
+  return true;
+}
+
 bool core_has_set_input_descriptor(void)
 {
    return core_has_set_input_descriptors;
@@ -412,3 +425,8 @@ void core_unset_input_descriptors(void)
 {
    core_has_set_input_descriptors = false;
 }
+
+bool core_is_game_loaded(void)
+{
+  return core_game_loaded;
+}