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-rw-r--r--subsurface-core/divesite.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/subsurface-core/divesite.c b/subsurface-core/divesite.c
deleted file mode 100644
index e9eed2a07..000000000
--- a/subsurface-core/divesite.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/* divesite.c */
-#include "divesite.h"
-#include "dive.h"
-#include "divelist.h"
-
-#include <math.h>
-
-struct dive_site_table dive_site_table;
-
-/* there could be multiple sites of the same name - return the first one */
-uint32_t get_dive_site_uuid_by_name(const char *name, struct dive_site **dsp)
-{
- int i;
- struct dive_site *ds;
- for_each_dive_site (i, ds) {
- if (same_string(ds->name, name)) {
- if (dsp)
- *dsp = ds;
- return ds->uuid;
- }
- }
- return 0;
-}
-
-/* there could be multiple sites at the same GPS fix - return the first one */
-uint32_t get_dive_site_uuid_by_gps(degrees_t latitude, degrees_t longitude, struct dive_site **dsp)
-{
- int i;
- struct dive_site *ds;
- for_each_dive_site (i, ds) {
- if (ds->latitude.udeg == latitude.udeg && ds->longitude.udeg == longitude.udeg) {
- if (dsp)
- *dsp = ds;
- return ds->uuid;
- }
- }
- return 0;
-}
-
-
-/* to avoid a bug where we have two dive sites with different name and the same GPS coordinates
- * and first get the gps coordinates (reading a V2 file) and happen to get back "the other" name,
- * this function allows us to verify if a very specific name/GPS combination already exists */
-uint32_t get_dive_site_uuid_by_gps_and_name(char *name, degrees_t latitude, degrees_t longitude)
-{
- int i;
- struct dive_site *ds;
- for_each_dive_site (i, ds) {
- if (ds->latitude.udeg == latitude.udeg && ds->longitude.udeg == longitude.udeg && same_string(ds->name, name))
- return ds->uuid;
- }
- return 0;
-}
-
-// Calculate the distance in meters between two coordinates.
-unsigned int get_distance(degrees_t lat1, degrees_t lon1, degrees_t lat2, degrees_t lon2)
-{
- double lat2_r = udeg_to_radians(lat2.udeg);
- double lat_d_r = udeg_to_radians(lat2.udeg-lat1.udeg);
- double lon_d_r = udeg_to_radians(lon2.udeg-lon1.udeg);
-
- double a = sin(lat_d_r/2) * sin(lat_d_r/2) +
- cos(lat2_r) * cos(lat2_r) * sin(lon_d_r/2) * sin(lon_d_r/2);
- double c = 2 * atan2(sqrt(a), sqrt(1.0 - a));
-
- // Earth radious in metres
- return 6371000 * c;
-}
-
-/* find the closest one, no more than distance meters away - if more than one at same distance, pick the first */
-uint32_t get_dive_site_uuid_by_gps_proximity(degrees_t latitude, degrees_t longitude, int distance, struct dive_site **dsp)
-{
- int i;
- int uuid = 0;
- struct dive_site *ds;
- unsigned int cur_distance, min_distance = distance;
- for_each_dive_site (i, ds) {
- if (dive_site_has_gps_location(ds) &&
- (cur_distance = get_distance(ds->latitude, ds->longitude, latitude, longitude)) < min_distance) {
- min_distance = cur_distance;
- uuid = ds->uuid;
- if (dsp)
- *dsp = ds;
- }
- }
- return uuid;
-}
-
-/* try to create a uniqe ID - fingers crossed */
-static uint32_t dive_site_getUniqId()
-{
- uint32_t id = 0;
-
- while (id == 0 || get_dive_site_by_uuid(id)) {
- id = rand() & 0xff;
- id |= (rand() & 0xff) << 8;
- id |= (rand() & 0xff) << 16;
- id |= (rand() & 0xff) << 24;
- }
-
- return id;
-}
-
-/* we never allow a second dive site with the same uuid */
-struct dive_site *alloc_or_get_dive_site(uint32_t uuid)
-{
- struct dive_site *ds;
- if (uuid) {
- if ((ds = get_dive_site_by_uuid(uuid)) != NULL) {
- fprintf(stderr, "PROBLEM: refusing to create dive site with the same uuid %08x\n", uuid);
- return ds;
- }
- }
- int nr = dive_site_table.nr;
- int allocated = dive_site_table.allocated;
- struct dive_site **sites = dive_site_table.dive_sites;
-
- if (nr >= allocated) {
- allocated = (nr + 32) * 3 / 2;
- sites = realloc(sites, allocated * sizeof(struct dive_site *));
- if (!sites)
- exit(1);
- dive_site_table.dive_sites = sites;
- dive_site_table.allocated = allocated;
- }
- ds = calloc(1, sizeof(*ds));
- if (!ds)
- exit(1);
- sites[nr] = ds;
- dive_site_table.nr = nr + 1;
- // we should always be called with a valid uuid except in the special
- // case where we want to copy a dive site into the memory we allocated
- // here - then we need to pass in 0 and create a temporary uuid here
- // (just so things are always consistent)
- if (uuid)
- ds->uuid = uuid;
- else
- ds->uuid = dive_site_getUniqId();
- return ds;
-}
-
-int nr_of_dives_at_dive_site(uint32_t uuid, bool select_only)
-{
- int j;
- int nr = 0;
- struct dive *d;
- for_each_dive(j, d) {
- if (d->dive_site_uuid == uuid && (!select_only || d->selected)) {
- nr++;
- }
- }
- return nr;
-}
-
-bool is_dive_site_used(uint32_t uuid, bool select_only)
-{
- int j;
- bool found = false;
- struct dive *d;
- for_each_dive(j, d) {
- if (d->dive_site_uuid == uuid && (!select_only || d->selected)) {
- found = true;
- break;
- }
- }
- return found;
-}
-
-void delete_dive_site(uint32_t id)
-{
- int nr = dive_site_table.nr;
- for (int i = 0; i < nr; i++) {
- struct dive_site *ds = get_dive_site(i);
- if (ds->uuid == id) {
- free(ds->name);
- free(ds->notes);
- free(ds);
- if (nr - 1 > i)
- memmove(&dive_site_table.dive_sites[i],
- &dive_site_table.dive_sites[i+1],
- (nr - 1 - i) * sizeof(dive_site_table.dive_sites[0]));
- dive_site_table.nr = nr - 1;
- break;
- }
- }
-}
-
-uint32_t create_divesite_uuid(const char *name, timestamp_t divetime)
-{
- if (name == NULL)
- name ="";
- unsigned char hash[20];
- SHA_CTX ctx;
- SHA1_Init(&ctx);
- SHA1_Update(&ctx, &divetime, sizeof(timestamp_t));
- SHA1_Update(&ctx, name, strlen(name));
- SHA1_Final(hash, &ctx);
- // now return the first 32 of the 160 bit hash
- return *(uint32_t *)hash;
-}
-
-/* allocate a new site and add it to the table */
-uint32_t create_dive_site(const char *name, timestamp_t divetime)
-{
- uint32_t uuid = create_divesite_uuid(name, divetime);
- struct dive_site *ds = alloc_or_get_dive_site(uuid);
- ds->name = copy_string(name);
-
- return uuid;
-}
-
-/* same as before, but with current time if no current_dive is present */
-uint32_t create_dive_site_from_current_dive(const char *name)
-{
- if (current_dive != NULL) {
- return create_dive_site(name, current_dive->when);
- } else {
- timestamp_t when;
- time_t now = time(0);
- when = utc_mktime(localtime(&now));
- return create_dive_site(name, when);
- }
-}
-
-/* same as before, but with GPS data */
-uint32_t create_dive_site_with_gps(const char *name, degrees_t latitude, degrees_t longitude, timestamp_t divetime)
-{
- uint32_t uuid = create_divesite_uuid(name, divetime);
- struct dive_site *ds = alloc_or_get_dive_site(uuid);
- ds->name = copy_string(name);
- ds->latitude = latitude;
- ds->longitude = longitude;
-
- return ds->uuid;
-}
-
-/* a uuid is always present - but if all the other fields are empty, the dive site is pointless */
-bool dive_site_is_empty(struct dive_site *ds)
-{
- return same_string(ds->name, "") &&
- same_string(ds->description, "") &&
- same_string(ds->notes, "") &&
- ds->latitude.udeg == 0 &&
- ds->longitude.udeg == 0;
-}
-
-void copy_dive_site(struct dive_site *orig, struct dive_site *copy)
-{
- free(copy->name);
- free(copy->notes);
- free(copy->description);
-
- copy->latitude = orig->latitude;
- copy->longitude = orig->longitude;
- copy->name = copy_string(orig->name);
- copy->notes = copy_string(orig->notes);
- copy->description = copy_string(orig->description);
- copy->uuid = orig->uuid;
- if (orig->taxonomy.category == NULL) {
- free_taxonomy(&copy->taxonomy);
- } else {
- if (copy->taxonomy.category == NULL)
- copy->taxonomy.category = alloc_taxonomy();
- for (int i = 0; i < TC_NR_CATEGORIES; i++) {
- if (i < copy->taxonomy.nr)
- free((void *)copy->taxonomy.category[i].value);
- if (i < orig->taxonomy.nr) {
- copy->taxonomy.category[i] = orig->taxonomy.category[i];
- copy->taxonomy.category[i].value = copy_string(orig->taxonomy.category[i].value);
- }
- }
- copy->taxonomy.nr = orig->taxonomy.nr;
- }
-}
-
-void clear_dive_site(struct dive_site *ds)
-{
- free(ds->name);
- free(ds->notes);
- free(ds->description);
- ds->name = 0;
- ds->notes = 0;
- ds->description = 0;
- ds->latitude.udeg = 0;
- ds->longitude.udeg = 0;
- ds->uuid = 0;
- ds->taxonomy.nr = 0;
- free_taxonomy(&ds->taxonomy);
-}
-
-void merge_dive_sites(uint32_t ref, uint32_t* uuids, int count)
-{
- int curr_dive, i;
- struct dive *d;
- for(i = 0; i < count; i++){
- if (uuids[i] == ref)
- continue;
-
- for_each_dive(curr_dive, d) {
- if (d->dive_site_uuid != uuids[i] )
- continue;
- d->dive_site_uuid = ref;
- }
- }
-
- for(i = 0; i < count; i++) {
- if (uuids[i] == ref)
- continue;
- delete_dive_site(uuids[i]);
- }
- mark_divelist_changed(true);
-}
-
-uint32_t find_or_create_dive_site_with_name(const char *name, timestamp_t divetime)
-{
- int i;
- struct dive_site *ds;
- for_each_dive_site(i,ds) {
- if (same_string(name, ds->name))
- break;
- }
- if (ds)
- return ds->uuid;
- return create_dive_site(name, divetime);
-}
-
-static int compare_sites(const void *_a, const void *_b)
-{
- const struct dive_site *a = (const struct dive_site *)*(void **)_a;
- const struct dive_site *b = (const struct dive_site *)*(void **)_b;
- return a->uuid > b->uuid ? 1 : a->uuid == b->uuid ? 0 : -1;
-}
-
-void dive_site_table_sort()
-{
- qsort(dive_site_table.dive_sites, dive_site_table.nr, sizeof(struct dive_site *), compare_sites);
-}
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