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mirror of https://github.com/djhackersdev/bemanitools.git synced 2024-11-23 22:30:56 +01:00

Mapper serialization versioning

Add a "BTMD" FOURCC + version in the beginning of the mapper data file.
Is backwards compatible with the current data format.
This commit is contained in:
ahnada 2023-12-15 21:41:38 -08:00 committed by icex2
parent 329d6a80a3
commit d1525a98dd

View File

@ -6,9 +6,25 @@
#include "util/fs.h"
#include "util/mem.h"
static bool mapper_impl_config_load_actions(struct mapper *m, FILE *f);
static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f);
static bool mapper_impl_config_load_lights(struct mapper *m, FILE *f);
enum mapper_config_version {
MAPPER_VERSION_BEFORE_VERSIONING,
MAPPER_VERSION_INVERT_AXIS,
// --- Add new versions above this line --- //
MAPPER_VERSION_PLUS_ONE,
MAPPER_VERSION_LATEST = MAPPER_VERSION_PLUS_ONE - 1,
};
#define FOURCC(a, b, c, d) \
((uint32_t) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a)))
// Bemanitools Mapper Data
static const uint32_t mapper_fourcc = FOURCC('B', 'T', 'M', 'D');
static uint32_t mapper_impl_config_load_version(FILE *f);
static bool mapper_impl_config_load_actions(struct mapper *m, FILE *f, uint32_t version);
static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f, uint32_t version);
static bool mapper_impl_config_load_lights(struct mapper *m, FILE *f, uint32_t version);
static void mapper_impl_config_save_actions(struct mapper *m, FILE *f);
static void mapper_impl_config_save_analogs(struct mapper *m, FILE *f);
static void mapper_impl_config_save_lights(struct mapper *m, FILE *f);
@ -16,14 +32,17 @@ static void mapper_impl_config_save_lights(struct mapper *m, FILE *f);
struct mapper *mapper_impl_config_load(FILE *f)
{
struct mapper *m;
uint32_t version = 0;
hid_mgr_lock(); /* Need to convert from HID objects to /dev nodes */
version = mapper_impl_config_load_version(f);
m = mapper_impl_create();
if (!mapper_impl_config_load_actions(m, f) ||
!mapper_impl_config_load_analogs(m, f) ||
!mapper_impl_config_load_lights(m, f)) {
if (!mapper_impl_config_load_actions(m, f, version) ||
!mapper_impl_config_load_analogs(m, f, version) ||
!mapper_impl_config_load_lights(m, f, version)) {
mapper_impl_destroy(m);
m = NULL;
}
@ -33,7 +52,29 @@ struct mapper *mapper_impl_config_load(FILE *f)
return m;
}
static bool mapper_impl_config_load_actions(struct mapper *m, FILE *f)
static uint32_t mapper_impl_config_load_version(FILE *f)
{
uint32_t fourcc = 0;
uint32_t version = 0;
if (!read_u32(f, &fourcc)) {
return 0;
}
if (fourcc == mapper_fourcc) {
if (!read_u32(f, &version)) {
fseek(f, -4, SEEK_CUR);
}
} else {
fseek(f, -4, SEEK_CUR);
}
return version;
}
static bool mapper_impl_config_load_actions(struct mapper *m, FILE *f, uint32_t version)
{
char *dev_node;
struct mapped_action ma;
@ -69,7 +110,7 @@ static bool mapper_impl_config_load_actions(struct mapper *m, FILE *f)
return true;
}
static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f)
static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f, uint32_t version)
{
char *dev_node;
struct mapped_analog ma;
@ -102,8 +143,14 @@ static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f)
return false;
}
if (!read_u8(f, &invert)) {
return false;
if (version >= MAPPER_VERSION_INVERT_AXIS) {
if (!read_u8(f, &invert)) {
return false;
}
} else {
invert = false;
}
mapper_impl_set_analog_map(m, i, &ma);
@ -117,7 +164,7 @@ static bool mapper_impl_config_load_analogs(struct mapper *m, FILE *f)
return true;
}
static bool mapper_impl_config_load_lights(struct mapper *m, FILE *f)
static bool mapper_impl_config_load_lights(struct mapper *m, FILE *f, uint32_t version)
{
char *dev_node;
struct mapped_light ml;
@ -162,8 +209,13 @@ static bool mapper_impl_config_load_lights(struct mapper *m, FILE *f)
void mapper_impl_config_save(struct mapper *m, FILE *f)
{
const uint32_t mapper_latest_version = MAPPER_VERSION_LATEST;
hid_mgr_lock();
write_u32(f, &mapper_fourcc);
write_u32(f, &mapper_latest_version);
mapper_impl_config_save_actions(m, f);
mapper_impl_config_save_analogs(m, f);
mapper_impl_config_save_lights(m, f);