include achievement runtime state in save states

cheevos/cheevos.c

@@ -144,6 +144,7 @@ typedef struct
 
    bool hardcore_active;
    bool loaded;
+   bool reset_rewind;
    bool core_supports;
    bool leaderboards_enabled;
    bool leaderboard_notifications;
@@ -164,6 +165,7 @@ static rcheevos_locals_t rcheevos_locals =
    "",   /* user_agent_prefix */
    false,/* hardcore_active */
    false,/* loaded */
+   false,/* reset_rewind */
    true, /* core_supports */
    false,/* leaderboards_enabled */
    false,/* leaderboard_notifications */
@@ -1397,6 +1399,8 @@ bool rcheevos_unload(void)
       rcheevos_locals.hardcore_active           = false;
    }
 
+   rcheevos_locals.reset_rewind = false;
+
    rc_runtime_destroy(&rcheevos_locals.runtime);
 
    /* if the config-level token has been cleared, we need to re-login on loading the next game */
@@ -1824,18 +1828,31 @@ Test all the achievements (call once per frame).
 *****************************************************************************/
 void rcheevos_test(void)
 {
-   settings_t* settings;
+#ifdef HAVE_REWIND
+   if (rcheevos_locals.reset_rewind)
+   {
+      const settings_t* settings = config_get_ptr();
+      const bool rewind_enable = (settings && settings->bools.rewind_enable);
+
+      rcheevos_locals.reset_rewind = false;
+
+      /* re-enable rewind. if rcheevos_locals.loaded is true, additional space will be allocated
+       * for the achievement state data */
+      if (rewind_enable)
+         command_event(CMD_EVENT_REWIND_INIT, NULL);
+   }
+#endif
 
    if (!rcheevos_locals.loaded)
       return;
 
-   settings = config_get_ptr();
-
    if (rcheevos_locals.memory.count == 0)
    {
       /* we were unable to initialize memory earlier, try now */
       if (!rcheevos_memory_init(&rcheevos_locals.memory, rcheevos_locals.patchdata.console_id))
       {
+         const settings_t* settings = config_get_ptr();
+
          CHEEVOS_ERR(RCHEEVOS_TAG "No memory exposed by core\n");
          rcheevos_locals.core_supports = false;
 
@@ -1854,6 +1871,35 @@ void rcheevos_test(void)
    rc_runtime_do_frame(&rcheevos_locals.runtime, &rcheevos_runtime_event_handler, rcheevos_peek, NULL, 0);
 }
 
+size_t rcheevos_get_serialize_size(void)
+{
+   if (!rcheevos_locals.loaded)
+      return 0;
+
+   return rc_runtime_progress_size(&rcheevos_locals.runtime, NULL);
+}
+
+bool rcheevos_get_serialized_data(void* buffer)
+{
+   if (!rcheevos_locals.loaded)
+      return false;
+
+   return (rc_runtime_serialize_progress(buffer, &rcheevos_locals.runtime, NULL) == RC_OK);
+}
+
+bool rcheevos_set_serialized_data(void* buffer)
+{
+   if (rcheevos_locals.loaded)
+   {
+      if (buffer && rc_runtime_deserialize_progress(&rcheevos_locals.runtime, (const unsigned char*)buffer, NULL) == RC_OK)
+         return true;
+
+      rc_runtime_reset(&rcheevos_locals.runtime);
+   }
+
+   return false;
+}
+
 void rcheevos_set_support_cheevos(bool state)
 {
    rcheevos_locals.core_supports = state;
@@ -1949,6 +1995,7 @@ enum
 static int rcheevos_iterate(rcheevos_coro_t* coro)
 {
    char buffer[2048];
+   bool ret;
 #ifdef CHEEVOS_TIME_HASH
    retro_time_t start;
 #endif
@@ -2025,27 +2072,51 @@ static int rcheevos_iterate(rcheevos_coro_t* coro)
          fclose(file);
       }
 #endif
-      if (rcheevos_parse(&rcheevos_locals, coro->json))
-      {
-         CHEEVOS_FREE(coro->json);
-         CORO_STOP();
-      }
 
+#if HAVE_REWIND
+      if (!rcheevos_hardcore_active())
+      {
+         /* deactivate rewind while we activate the achievements */
+         const bool rewind_enable = coro->settings->bools.rewind_enable;
+         if (rewind_enable)
+            command_event(CMD_EVENT_REWIND_DEINIT, NULL);
+      }
+#endif
+
+      ret = rcheevos_parse(&rcheevos_locals, coro->json);
       CHEEVOS_FREE(coro->json);
 
-      if (   rcheevos_locals.patchdata.core_count == 0
-          && rcheevos_locals.patchdata.unofficial_count == 0
-          && rcheevos_locals.patchdata.lboard_count == 0)
+      if (ret == 0)
       {
-         runloop_msg_queue_push(
+         if (rcheevos_locals.patchdata.core_count == 0
+            && rcheevos_locals.patchdata.unofficial_count == 0
+            && rcheevos_locals.patchdata.lboard_count == 0)
+         {
+            runloop_msg_queue_push(
                "This game has no achievements.",
                0, 5 * 60, false, NULL, MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
 
-         rcheevos_pause_hardcore();
-         CORO_STOP();
+            rcheevos_pause_hardcore();
+         }
+         else
+         {
+            rcheevos_locals.loaded = true;
+         }
       }
 
-      rcheevos_locals.loaded = true;
+#if HAVE_REWIND
+      if (!rcheevos_hardcore_active())
+      {
+         /* have to "schedule" this. CMD_EVENT_REWIND_INIT should only be called on the main thread */
+         rcheevos_locals.reset_rewind = true;
+      }
+#endif
+
+      if (!rcheevos_locals.loaded)
+      {
+         /* parse failure or no achievements - nothing more to do */
+         CORO_STOP();
+      }
 
       /*
          * Inputs:  CHEEVOS_VAR_GAMEID
@@ -2699,6 +2770,7 @@ bool rcheevos_load(const void *data)
    struct rc_hash_cdreader cdreader;
 
    rcheevos_locals.loaded             = false;
+   rcheevos_locals.reset_rewind       = false;
    rc_runtime_init(&rcheevos_locals.runtime);
 
    if (!cheevos_enable || !rcheevos_locals.core_supports || !data)

cheevos/cheevos.h

@@ -42,6 +42,9 @@ enum
 };
 
 bool rcheevos_load(const void *data);
+size_t rcheevos_get_serialize_size(void);
+bool rcheevos_get_serialized_data(void* buffer);
+bool rcheevos_set_serialized_data(void* buffer);
 
 void rcheevos_reset_game(void);
 

content.h

@@ -51,6 +51,15 @@ bool content_load_state(const char* path, bool load_to_backup_buffer, bool autol
 /* Save a state from memory to disk. */
 bool content_save_state(const char *path, bool save_to_disk, bool autosave);
 
+/* Gets the number of bytes required to serialize the state. */
+size_t content_get_serialized_size();
+
+/* Serializes the current state. buffer must be at least content_get_serialized_size bytes */
+bool content_serialize_state(void* buffer, size_t buffer_size);
+
+/* Deserializes the current state. */
+bool content_deserialize_state(const void* serialized_data, size_t serialized_size);
+
 /* Waits for any in-progress save state tasks to finish */
 void content_wait_for_save_state_task(void);
 

deps/rcheevos/include/rcheevos.h

@@ -392,6 +392,7 @@ typedef struct rc_runtime_trigger_t {
   rc_trigger_t* trigger;
   void* buffer;
   unsigned char md5[16];
+  int serialized_size;
   char owns_memrefs;
 }
 rc_runtime_trigger_t;

deps/rcheevos/src/rcheevos/runtime.c

@@ -172,6 +172,7 @@ int rc_runtime_activate_achievement(rc_runtime_t* self, unsigned id, const char*
   self->triggers[self->trigger_count].id = id;
   self->triggers[self->trigger_count].trigger = trigger;
   self->triggers[self->trigger_count].buffer = trigger_buffer;
+  self->triggers[self->trigger_count].serialized_size = 0;
   memcpy(self->triggers[self->trigger_count].md5, md5, 16);
   self->triggers[self->trigger_count].owns_memrefs = owns_memref;
   ++self->trigger_count;

deps/rcheevos/src/rcheevos/runtime_progress.c

@@ -110,17 +110,25 @@ static int rc_runtime_progress_write_memrefs(rc_runtime_progress_t* progress)
 
   rc_runtime_progress_start_chunk(progress, RC_RUNTIME_CHUNK_MEMREFS);
 
-  while (memref) {
-    flags = memref->memref.size;
-    if (memref->previous == memref->prior)
-      flags |= RC_MEMREF_FLAG_PREV_IS_PRIOR;
+  if (!progress->buffer) {
+    while (memref) {
+      progress->offset += 16;
+      memref = memref->next;
+    }
+  }
+  else {
+    while (memref) {
+      flags = memref->memref.size;
+      if (memref->previous == memref->prior)
+        flags |= RC_MEMREF_FLAG_PREV_IS_PRIOR;
 
-    rc_runtime_progress_write_uint(progress, memref->memref.address);
-    rc_runtime_progress_write_uint(progress, flags);
-    rc_runtime_progress_write_uint(progress, memref->value);
-    rc_runtime_progress_write_uint(progress, memref->prior);
+      rc_runtime_progress_write_uint(progress, memref->memref.address);
+      rc_runtime_progress_write_uint(progress, flags);
+      rc_runtime_progress_write_uint(progress, memref->value);
+      rc_runtime_progress_write_uint(progress, memref->prior);
 
-    memref = memref->next;
+      memref = memref->next;
+    }
   }
 
   rc_runtime_progress_end_chunk(progress);
@@ -133,6 +141,7 @@ static int rc_runtime_progress_read_memrefs(rc_runtime_progress_t* progress)
   unsigned address, flags, value, prior;
   char size;
   rc_memref_value_t* memref;
+  rc_memref_value_t* first_unmatched = progress->runtime->memrefs;
 
   /* re-read the chunk size to determine how many memrefs are present */
   progress->offset -= 4;
@@ -146,12 +155,17 @@ static int rc_runtime_progress_read_memrefs(rc_runtime_progress_t* progress)
 
     size = flags & 0xFF;
 
-    memref = progress->runtime->memrefs;
+    memref = first_unmatched;
     while (memref) {
       if (memref->memref.address == address && memref->memref.size == size) {
         memref->value = value;
         memref->previous = (flags & RC_MEMREF_FLAG_PREV_IS_PRIOR) ? prior : value;
         memref->prior = prior;
+
+        if (memref == first_unmatched)
+          first_unmatched = memref->next;
+
+        break;
       }
 
       memref = memref->next;
@@ -254,6 +268,7 @@ static int rc_runtime_progress_read_trigger(rc_runtime_progress_t* progress, rc_
 static int rc_runtime_progress_write_achievements(rc_runtime_progress_t* progress)
 {
   unsigned i;
+  int offset = 0;
   int result;
 
   for (i = 0; i < progress->runtime->trigger_count; ++i)
@@ -273,6 +288,15 @@ static int rc_runtime_progress_write_achievements(rc_runtime_progress_t* progres
         break;
     }
 
+    if (!progress->buffer) {
+      if(runtime_trigger->serialized_size) {
+        progress->offset += runtime_trigger->serialized_size;
+        continue;
+      }
+
+      offset = progress->offset;
+    }
+
     rc_runtime_progress_start_chunk(progress, RC_RUNTIME_CHUNK_ACHIEVEMENT);
     rc_runtime_progress_write_uint(progress, runtime_trigger->id);
     rc_runtime_progress_write_md5(progress, runtime_trigger->md5);
@@ -282,6 +306,9 @@ static int rc_runtime_progress_write_achievements(rc_runtime_progress_t* progres
       return result;
 
     rc_runtime_progress_end_chunk(progress);
+
+    if (!progress->buffer)
+      runtime_trigger->serialized_size = progress->offset - offset;
   }
 
   return RC_OK;

state_manager.c

@@ -32,6 +32,7 @@
 #include "core.h"
 #include "retroarch.h"
 #include "verbosity.h"
+#include "content.h"
 
 #ifdef HAVE_NETWORKING
 #include "network/netplay/netplay.h"
@@ -575,8 +576,6 @@ void state_manager_event_init(
       struct state_manager_rewind_state *rewind_st,
       unsigned rewind_buffer_size)
 {
-   retro_ctx_serialize_info_t serial_info;
-   retro_ctx_size_info_t info;
    void *state          = NULL;
 
    if (!rewind_st || rewind_st->state)
@@ -588,9 +587,7 @@ void state_manager_event_init(
       return;
    }
 
-   core_serialize_size(&info);
-
-   rewind_st->size = info.size;
+   rewind_st->size = content_get_serialized_size();
 
    if (!rewind_st->size)
    {
@@ -611,10 +608,7 @@ void state_manager_event_init(
 
    state_manager_push_where(rewind_st->state, &state);
 
-   serial_info.data = state;
-   serial_info.size = rewind_st->size;
-
-   core_serialize(&serial_info);
+   content_serialize_state(state, rewind_st->size);
 
    state_manager_push_do(rewind_st->state);
 }
@@ -679,8 +673,6 @@ bool state_manager_check_rewind(
 
       if (state_manager_pop(rewind_st->state, &buf))
       {
-         retro_ctx_serialize_info_t serial_info;
-
 #ifdef HAVE_NETWORKING
          /* Make sure netplay isn't confused */
          if (!was_reversed)
@@ -696,10 +688,7 @@ bool state_manager_check_rewind(
          *time                  = is_paused ? 1 : 30;
          ret                    = true;
 
-         serial_info.data_const = buf;
-         serial_info.size       = rewind_st->size;
-
-         core_unserialize(&serial_info);
+         content_deserialize_state(buf, rewind_st->size);
 
 #ifdef HAVE_BSV_MOVIE
          bsv_movie_frame_rewind();
@@ -707,10 +696,7 @@ bool state_manager_check_rewind(
       }
       else
       {
-         retro_ctx_serialize_info_t serial_info;
-         serial_info.data_const = buf;
-         serial_info.size       = rewind_st->size;
-         core_unserialize(&serial_info);
+         content_deserialize_state(buf, rewind_st->size);
 
 #ifdef HAVE_NETWORKING
          /* Tell netplay we're done */
@@ -741,15 +727,11 @@ bool state_manager_check_rewind(
 
       if ((cnt == 0) || rarch_ctl(RARCH_CTL_BSV_MOVIE_IS_INITED, NULL))
       {
-         retro_ctx_serialize_info_t serial_info;
          void *state = NULL;
 
          state_manager_push_where(rewind_st->state, &state);
 
-         serial_info.data = state;
-         serial_info.size = rewind_st->size;
-
-         core_serialize(&serial_info);
+         content_serialize_state(state, rewind_st->size);
 
          state_manager_push_do(rewind_st->state);
       }

tasks/task_save.c

@@ -46,6 +46,10 @@
 #include "../network/netplay/netplay.h"
 #endif
 
+#ifdef HAVE_CHEEVOS
+#include "../cheevos/cheevos.h"
+#endif
+
 #include "../content.h"
 #include "../core.h"
 #include "../file_path_special.h"
@@ -64,6 +68,11 @@
 #define SAVE_STATE_CHUNK 4096
 #endif
 
+#define RASTATE_VERSION 1
+#define RASTATE_MEM_BLOCK "MEM "
+#define RASTATE_CHEEVOS_BLOCK "ACHV"
+#define RASTATE_END_BLOCK "END "
+
 struct ram_type
 {
    const char *path;
@@ -151,6 +160,15 @@ static struct autosave_st autosave_state;
 static bool save_state_in_background       = false;
 static struct string_list *task_save_files = NULL;
 
+typedef struct rastate_size_info
+{
+   size_t total_size;
+   size_t coremem_size;
+#ifdef HAVE_CHEEVOS
+   size_t cheevos_size;
+#endif
+} rastate_size_info_t;
+
 #ifdef HAVE_THREADS
 /**
  * autosave_thread:
@@ -575,13 +593,106 @@ static void task_save_handler_finished(retro_task_t *task,
    free(state);
 }
 
-static void *get_serialized_data(const char *path, size_t serial_size)
+static size_t content_align_size(size_t size)
+{
+   /* align to 8-byte boundary */
+   return ((size + 7) & ~7);
+}
+
+static bool content_get_rastate_size(rastate_size_info_t* size)
+{
+   retro_ctx_size_info_t info;
+
+   core_serialize_size(&info);
+   if (!info.size)
+      return false;
+
+   size->coremem_size = info.size;
+   /* 8-byte identifier, 8-byte block header, content, 8-byte terminator */
+   size->total_size = 8 + 8 + content_align_size(info.size) + 8;
+
+#ifdef HAVE_CHEEVOS
+   size->cheevos_size = rcheevos_get_serialize_size();
+   if (size->cheevos_size > 0)
+      size->total_size += 8 + content_align_size(size->cheevos_size); /* 8-byte block header + content */
+#endif
+
+   return true;
+}
+
+size_t content_get_serialized_size()
+{
+   rastate_size_info_t size;
+   if (!content_get_rastate_size(&size))
+      return 0;
+
+   return size.total_size;
+}
+
+static void content_write_block_header(unsigned char* output, const char* header, size_t size)
+{
+   memcpy(output, header, 4);
+   output[4] = ((size) & 0xFF);
+   output[5] = ((size >> 8) & 0xFF);
+   output[6] = ((size >> 16) & 0xFF);
+   output[7] = ((size >> 24) & 0xFF);
+}
+
+static bool content_write_serialized_state(void* buffer, rastate_size_info_t* size)
 {
    retro_ctx_serialize_info_t serial_info;
-   bool ret    = false;
-   void *data  = NULL;
+   unsigned char* output = (unsigned char*)buffer;
 
-   if (!serial_size)
+   /* 8-byte identifier "RASTATE1" where 1 is the version */
+   memcpy(output, "RASTATE", 7);
+   output[7] = RASTATE_VERSION;
+   output += 8;
+
+   /* important - write the unaligned size - some cores fail if they aren't passed the exact right size. */
+   content_write_block_header(output, RASTATE_MEM_BLOCK, size->coremem_size);
+   output += 8;
+
+   /* important - pass the unaligned size to the core. some fail if it isn't exactly what they're expecting. */
+   serial_info.size = size->coremem_size;
+   serial_info.data = (void*)output;
+   if (!core_serialize(&serial_info))
+      return false;
+
+   output += content_align_size(size->coremem_size);
+
+#ifdef HAVE_CHEEVOS
+   if (size->cheevos_size)
+   {
+      content_write_block_header(output, RASTATE_CHEEVOS_BLOCK, size->cheevos_size);
+
+      if (rcheevos_get_serialized_data(output + 8))
+         output += content_align_size(size->cheevos_size) + 8;
+   }
+#endif
+
+   content_write_block_header(output, RASTATE_END_BLOCK, 0);
+
+   return true;
+}
+
+bool content_serialize_state(void* buffer, size_t buffer_size)
+{
+   rastate_size_info_t size;
+   if (!content_get_rastate_size(&size))
+      return false;
+
+   if (size.total_size > buffer_size)
+      return false;
+
+   return content_write_serialized_state(buffer, &size);
+}
+
+static void *content_get_serialized_data(size_t* serial_size)
+{
+   void* data;
+
+   rastate_size_info_t size;
+   if (!content_get_rastate_size(&size))
       return NULL;
 
    /* Ensure buffer is initialised to zero
@@ -589,21 +700,17 @@ static void *get_serialized_data(const char *path, size_t serial_size)
     *   sizes when core requests a larger buffer
     *   than it needs (and leaves the excess
     *   as uninitialised garbage) */
-   data = calloc(serial_size, 1);
-
+   data = calloc(size.total_size, 1);
    if (!data)
       return NULL;
 
-   serial_info.data = data;
-   serial_info.size = serial_size;
-   ret              = core_serialize(&serial_info);
-
-   if (!ret)
+   if (!content_write_serialized_state(data, &size))
    {
       free(data);
       return NULL;
    }
 
+   *serial_size = size.total_size;
    return data;
 }
 
@@ -634,7 +741,11 @@ static void task_save_handler(retro_task_t *task)
    }
 
    if (!state->data)
-      state->data  = get_serialized_data(state->path, state->size);
+   {
+      size_t size;
+      state->data = content_get_serialized_data(&size);
+      state->size = (ssize_t)size;
+   }
 
    remaining       = MIN(state->size - state->written, SAVE_STATE_CHUNK);
 
@@ -921,6 +1032,91 @@ error:
    task_load_handler_finished(task, state);
 }
 
+static bool content_load_rastate1(unsigned char* input, size_t size)
+{
+   unsigned char* stop = input + size;
+   unsigned char* marker;
+   bool seen_core = false;
+#ifdef HAVE_CHEEVOS
+   bool seen_cheevos = false;
+#endif
+
+   input += 8;
+   while (input < stop)
+   {
+      size_t block_size = (input[7] << 24 | input[6] << 16 | input[5] << 8 | input[4]);
+      marker = input;
+      input += 8;
+
+      if (memcmp(marker, RASTATE_MEM_BLOCK, 4) == 0)
+      {
+         retro_ctx_serialize_info_t serial_info;
+         serial_info.data_const = (void*)input;
+         serial_info.size = block_size;
+         if (!core_unserialize(&serial_info))
+            return false;
+
+         seen_core = true;
+      }
+#ifdef HAVE_CHEEVOS
+      else if (memcmp(marker, RASTATE_CHEEVOS_BLOCK, 4) == 0)
+      {
+         if (rcheevos_set_serialized_data((void*)input))
+            seen_cheevos = true;
+      }
+#endif
+      else if (memcmp(marker, RASTATE_END_BLOCK, 4) == 0)
+      {
+         break;
+      }
+
+      input += content_align_size(block_size);
+   }
+
+   if (!seen_core)
+      return false;
+
+#ifdef HAVE_CHEEVOS
+   if (!seen_cheevos)
+      rcheevos_set_serialized_data(NULL);
+#endif
+
+   return true;
+}
+
+bool content_deserialize_state(const void* serialized_data, size_t serialized_size)
+{
+   if (memcmp(serialized_data, "RASTATE", 7) != 0)
+   {
+      /* old format is just core data, load it directly */
+      retro_ctx_serialize_info_t serial_info;
+      serial_info.data_const = serialized_data;
+      serial_info.size = serialized_size;
+      if (!core_unserialize(&serial_info))
+         return false;
+
+#ifdef HAVE_CHEEVOS
+      rcheevos_set_serialized_data(NULL);
+#endif
+   }
+   else
+   {
+      unsigned char* input = (unsigned char*)serialized_data;
+      switch (input[7]) /* version */
+      {
+         case 1:
+            if (!content_load_rastate1(input, serialized_size))
+               return false;
+            break;
+
+         default:
+            return false;
+      }
+   }
+
+   return true;
+}
+
 /**
  * content_load_state_cb:
  * @path      : path that state will be loaded from.
@@ -931,7 +1127,6 @@ static void content_load_state_cb(retro_task_t *task,
       void *task_data,
       void *user_data, const char *error)
 {
-   retro_ctx_serialize_info_t serial_info;
    unsigned i;
    bool ret;
    load_task_data_t *load_data = (load_task_data_t*)task_data;
@@ -1024,15 +1219,12 @@ static void content_load_state_cb(retro_task_t *task,
       }
    }
 
-   serial_info.data_const = buf;
-   serial_info.size       = size;
-
    /* Backup the current state so we can undo this load */
    content_save_state("RAM", false, false);
 
-   ret                    = core_unserialize(&serial_info);
+   ret = content_deserialize_state(buf, size);
 
-    /* Flush back. */
+   /* Flush back. */
    for (i = 0; i < num_blocks; i++)
    {
       if (blocks[i].data)
@@ -1266,15 +1458,17 @@ bool content_save_state(const char *path, bool save_to_disk, bool autosave)
 {
    retro_ctx_size_info_t info;
    void *data  = NULL;
+   size_t serial_size;
 
    core_serialize_size(&info);
 
    if (info.size == 0)
       return false;
+   serial_size = info.size;
 
    if (!save_state_in_background)
    {
-      data = get_serialized_data(path, info.size);
+      data = content_get_serialized_data(&serial_size);
 
       if (!data)
       {
@@ -1287,7 +1481,7 @@ bool content_save_state(const char *path, bool save_to_disk, bool autosave)
       RARCH_LOG("[State]: %s \"%s\", %u %s.\n",
             msg_hash_to_str(MSG_SAVING_STATE),
             path,
-            (unsigned)info.size,
+            (unsigned)serial_size,
             msg_hash_to_str(MSG_BYTES));
    }
 
@@ -1301,15 +1495,15 @@ bool content_save_state(const char *path, bool save_to_disk, bool autosave)
          RARCH_LOG("[State]: %s ...\n",
                msg_hash_to_str(MSG_FILE_ALREADY_EXISTS_SAVING_TO_BACKUP_BUFFER));
 
-         task_push_load_and_save_state(path, data, info.size, true, autosave);
+         task_push_load_and_save_state(path, data, serial_size, true, autosave);
       }
       else
-         task_push_save_state(path, data, info.size, autosave);
+         task_push_save_state(path, data, serial_size, autosave);
    }
    else
    {
       if (!data)
-         data = get_serialized_data(path, info.size);
+         data = content_get_serialized_data(&serial_size);
 
       if (!data)
       {
@@ -1328,16 +1522,16 @@ bool content_save_state(const char *path, bool save_to_disk, bool autosave)
          undo_load_buf.data = NULL;
       }
 
-      undo_load_buf.data = malloc(info.size);
+      undo_load_buf.data = malloc(serial_size);
       if (!undo_load_buf.data)
       {
          free(data);
          return false;
       }
 
-      memcpy(undo_load_buf.data, data, info.size);
+      memcpy(undo_load_buf.data, data, serial_size);
       free(data);
-      undo_load_buf.size = info.size;
+      undo_load_buf.size = serial_size;
       strlcpy(undo_load_buf.path, path, sizeof(undo_load_buf.path));
    }