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Merge pull request #3069 from fr500/undo

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Undo savestate/loadstate
This commit is contained in:
Twinaphex 2016-06-05 01:19:35 +02:00
commit 86b35c8ff2
9 changed files with 136 additions and 8 deletions
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6
Makefile
View File

@ -54,9 +54,9 @@ ifeq ($(DEBUG), 1)
OPTIMIZE_FLAG = -O0 -g
else
OPTIMIZE_FLAG = -O3 -ffast-math
ifneq ($(findstring Win32,$(OS)),)
LDFLAGS += -mwindows
endif
ifneq ($(findstring Win32,$(OS)),)
LDFLAGS += -mwindows
endif
endif
CFLAGS += -Wall $(OPTIMIZE_FLAG) $(INCLUDE_DIRS) $(DEBUG_FLAG) -I.

63
command.c
View File

@ -1469,6 +1469,24 @@ static void command_event_save_state(const char *path,
char *s, size_t len)
{
settings_t *settings = config_get_ptr();
char buf[PATH_MAX_LENGTH] = {0};
if (path_file_exists(path))
{
/* TODO: Fence with a setting */
strlcpy(buf, path, sizeof(buf));
snprintf(buf, sizeof(buf), "%s", path);
path_remove_extension(buf);
snprintf(buf, sizeof(buf), "%s.last", buf);
if (!content_rename_state(path, buf))
{
snprintf(s, len, "%s \"%s\".",
"Failed to save undo information\n",
buf);
return;
}
}
if (!content_save_state(path))
{
@ -1494,9 +1512,27 @@ static void command_event_save_state(const char *path,
*
* Loads a state with path being @path.
**/
static void command_event_load_state(const char *path, char *s, size_t len)
static void command_event_load_state(const char *path, char *s, size_t len, bool undo)
{
settings_t *settings = config_get_ptr();
char buf[PATH_MAX_LENGTH] = {0};
if (!undo)
{
/* TODO: Fence with a setting */
strlcpy(buf, path, sizeof(buf));
snprintf(buf, sizeof(buf), "%s", path);
path_remove_extension(buf);
snprintf(buf, sizeof(buf), "%s.undo", buf);
if (!content_save_state(buf))
{
snprintf(s, len, "%s \"%s\".",
"Failed to save undo information\n",
buf);
return;
}
}
if (!content_load_state(path))
{
@ -1509,15 +1545,18 @@ static void command_event_load_state(const char *path, char *s, size_t len)
if (settings->state_slot < 0)
snprintf(s, len, "%s #-1 (auto).",
msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT));
else
else if (!undo)
snprintf(s, len, "%s #%d.", msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT),
settings->state_slot);
else
snprintf(s, len, "%s #-1 (undo).", msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT));
}
static void command_event_main_state(unsigned cmd)
{
retro_ctx_size_info_t info;
char path[PATH_MAX_LENGTH] = {0};
char buf[PATH_MAX_LENGTH] = {0};
char msg[128] = {0};
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
@ -1541,7 +1580,19 @@ static void command_event_main_state(unsigned cmd)
command_event_save_state(path, msg, sizeof(msg));
break;
case CMD_EVENT_LOAD_STATE:
command_event_load_state(path, msg, sizeof(msg));
command_event_load_state(path, msg, sizeof(msg), false);
break;
case CMD_EVENT_UNDO_LOAD_STATE:
strlcpy(buf, path, sizeof(buf));
path_remove_extension(buf);
snprintf(buf, sizeof(buf), "%s.undo", buf);
command_event_load_state(buf, msg, sizeof(msg), true);
break;
case CMD_EVENT_UNDO_SAVE_STATE:
strlcpy(buf, path, sizeof(buf));
path_remove_extension(buf);
snprintf(buf, sizeof(buf), "%s.last", buf);
command_event_load_state(buf, msg, sizeof(msg), true);
break;
}
}
@ -1661,6 +1712,12 @@ bool command_event(enum event_command cmd, void *data)
return false;
#endif
command_event_main_state(cmd);
break;
case CMD_EVENT_UNDO_LOAD_STATE:
command_event_main_state(cmd);
break;
case CMD_EVENT_UNDO_SAVE_STATE:
command_event_main_state(cmd);
break;
case CMD_EVENT_RESIZE_WINDOWED_SCALE:

2
command.h
View File

@ -48,6 +48,8 @@ enum event_command
CMD_EVENT_LOAD_CORE_PERSIST,
CMD_EVENT_UNLOAD_CORE,
CMD_EVENT_LOAD_STATE,
CMD_EVENT_UNDO_LOAD_STATE,
CMD_EVENT_UNDO_SAVE_STATE,
CMD_EVENT_SAVE_STATE,
CMD_EVENT_SAVE_STATE_DECREMENT,
CMD_EVENT_SAVE_STATE_INCREMENT,

6
content.h
View File

@ -51,6 +51,12 @@ bool content_load_state(const char *path);
/* Save a state from memory to disk. */
bool content_save_state(const char *path);
/* Copy a save state. */
bool content_rename_state(const char *origin, const char *dest);
/* Load a state backup from disk to memory. */
bool content_undo_load_state(const char *path);
bool content_does_not_need_content(void);
void content_set_does_not_need_content(void);

25
menu/cbs/menu_cbs_ok.c
View File

@ -1272,8 +1272,7 @@ static int action_ok_load_state(const char *path,
if (generic_action_ok_command(CMD_EVENT_LOAD_STATE) == -1)
return menu_cbs_exit();
return generic_action_ok_command(CMD_EVENT_RESUME);
}
}
static int action_ok_save_state(const char *path,
const char *label, unsigned type, size_t idx, size_t entry_idx)
@ -1283,6 +1282,22 @@ static int action_ok_save_state(const char *path,
return generic_action_ok_command(CMD_EVENT_RESUME);
}
static int action_ok_undo_load_state(const char *path,
const char *label, unsigned type, size_t idx, size_t entry_idx)
{
if (generic_action_ok_command(CMD_EVENT_UNDO_LOAD_STATE) == -1)
return menu_cbs_exit();
return generic_action_ok_command(CMD_EVENT_RESUME);
}
static int action_ok_undo_save_state(const char *path,
const char *label, unsigned type, size_t idx, size_t entry_idx)
{
if (generic_action_ok_command(CMD_EVENT_UNDO_SAVE_STATE) == -1)
return menu_cbs_exit();
return generic_action_ok_command(CMD_EVENT_RESUME);
}
#ifdef HAVE_NETWORKING
#ifdef HAVE_ZLIB
static void cb_decompressed(void *task_data, void *user_data, const char *err)
@ -2373,6 +2388,12 @@ static int menu_cbs_init_bind_ok_compare_label(menu_file_list_cbs_t *cbs,
case MENU_LABEL_LOADSTATE:
BIND_ACTION_OK(cbs, action_ok_load_state);
break;
case MENU_LABEL_UNDOLOADSTATE:
BIND_ACTION_OK(cbs, action_ok_undo_load_state);
break;
case MENU_LABEL_UNDOSAVESTATE:
BIND_ACTION_OK(cbs, action_ok_undo_save_state);
break;
case MENU_LABEL_RESUME_CONTENT:
BIND_ACTION_OK(cbs, action_ok_resume_content);
break;

8
menu/intl/menu_hash_us.c
View File

@ -658,6 +658,10 @@ static const char *menu_hash_to_str_us_label(uint32_t hash)
return "savestate";
case MENU_LABEL_LOAD_STATE:
return "loadstate";
case MENU_LABEL_UNDO_LOAD_STATE:
return "undoloadstate";
case MENU_LABEL_UNDO_SAVE_STATE:
return "undosavestate";
case MENU_LABEL_RESUME_CONTENT:
return "resume_content";
case MENU_LABEL_INPUT_DRIVER:
@ -1374,6 +1378,10 @@ const char *menu_hash_to_str_us(uint32_t hash)
return "Save State";
case MENU_LABEL_VALUE_LOAD_STATE:
return "Load State";
case MENU_LABEL_VALUE_UNDO_LOAD_STATE:
return "Undo Load State";
case MENU_LABEL_VALUE_UNDO_SAVE_STATE:
return "Undo Save State";
case MENU_LABEL_VALUE_RESUME_CONTENT:
return "Resume";
case MENU_LABEL_VALUE_INPUT_DRIVER:

10
menu/menu_displaylist.c
View File

@ -2282,6 +2282,16 @@ static int menu_displaylist_parse_load_content_settings(
menu_hash_to_str(MENU_LABEL_LOAD_STATE),
MENU_SETTING_ACTION_LOADSTATE, 0, 0);
menu_entries_add(info->list,
menu_hash_to_str(MENU_LABEL_VALUE_UNDO_LOAD_STATE),
menu_hash_to_str(MENU_LABEL_UNDO_LOAD_STATE),
MENU_SETTING_ACTION_LOADSTATE, 0, 0);
menu_entries_add(info->list,
menu_hash_to_str(MENU_LABEL_VALUE_UNDO_SAVE_STATE),
menu_hash_to_str(MENU_LABEL_UNDO_SAVE_STATE),
MENU_SETTING_ACTION_LOADSTATE, 0, 0);
menu_entries_add(info->list,
menu_hash_to_str(MENU_LABEL_VALUE_CORE_OPTIONS),
menu_hash_to_str(MENU_LABEL_CORE_OPTIONS),

6
menu/menu_hash.h
View File

@ -298,8 +298,12 @@ RETRO_BEGIN_DECLS
#define MENU_LABEL_VALUE_NO_CORES_AVAILABLE 0xe16bfd0dU
#define MENU_LABEL_SAVE_STATE 0x3a4849b5U
#define MENU_LABEL_VALUE_LOAD_STATE 0xd23ba706U
#define MENU_LABEL_VALUE_UNDO_LOAD_STATE 0xc83f09fcU
#define MENU_LABEL_VALUE_UNDO_SAVE_STATE 0x341b870bU
#define MENU_LABEL_VALUE_SAVE_STATE 0x3e182415U
#define MENU_LABEL_LOAD_STATE 0xa39eb286U
#define MENU_LABEL_UNDO_LOAD_STATE 0x464aaf5cU
#define MENU_LABEL_UNDO_SAVE_STATE 0xdcf4468bU
#define MENU_LABEL_REWIND 0x1931d5aeU
#define MENU_LABEL_NETPLAY_FLIP_PLAYERS 0x801425abU
#define MENU_LABEL_CHEAT_INDEX_MINUS 0x57f58b6cU
@ -955,6 +959,8 @@ RETRO_BEGIN_DECLS
#define MENU_LABEL_CUSTOM_BIND_DEFAULTS 0xe88f7b13U
#define MENU_LABEL_SAVESTATE 0x3a4849b5U
#define MENU_LABEL_LOADSTATE 0xa39eb286U
#define MENU_LABEL_UNDOLOADSTATE 0x464aaf5cU
#define MENU_LABEL_UNDOSAVESTATE 0xdcf4468bU
#define MENU_LABEL_RESUME_CONTENT 0xd9f088b0U
#define MENU_LABEL_VALUE_RESUME_CONTENT 0xae6e5911U
#define MENU_LABEL_VALUE_RESUME 0xce8ac2f6U

18
tasks/task_save_state.c
View File

@ -18,10 +18,12 @@
#include <sys/types.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <lists/string_list.h>
#include <streams/file_stream.h>
#include <file/file_path.h>
#include "../core.h"
#include "../msg_hash.h"
@ -210,3 +212,19 @@ error:
free(buf);
return false;
}
bool content_rename_state(const char *origin, const char *dest)
{
int ret = 0;
if (path_file_exists(dest))
unlink(dest);
ret = rename (origin, dest);
if (!ret)
return true;
else
{
RARCH_LOG ("Error %d renaming file %s", ret, origin);
return false;
}
}