/* save the recipe names, done on exit and after each change */
void save_recipes(){
char fname[128];
FILE *fp;
size_t i;
if (!recipes_loaded)
return;
save_recipe_names();
safe_snprintf(fname, sizeof(fname), "recipes_%s.dat",get_lowercase_username());
fp=open_file_config(fname,"wb");
if(fp == NULL){
LOG_ERROR("%s: %s \"%s\": %s\n", reg_error_str, cant_open_file, fname, strerror(errno));
return;
}
for (i=0; i<num_recipe_entries+1; i++)
{
item *store = (i<num_recipe_entries) ?recipes_store[i].items :manu_recipe.items;
if (fwrite (store,sizeof(item)*NUM_MIX_SLOTS,1, fp) != 1)
{
LOG_ERROR("%s() fail during write of file [%s] : %s\n", __FUNCTION__, fname, strerror(errno));
break;
}
}
fclose(fp);
}
void save_recipes(){
char fname[128];
FILE *fp;
if (!recipes_loaded)
return;
save_recipe_names();
safe_snprintf(fname, sizeof(fname), "recipes_%s.dat",username_str);
my_tolower(fname);
fp=open_file_config(fname,"wb");
if(fp == NULL){
LOG_ERROR("%s: %s \"%s\"\n", reg_error_str, cant_open_file, fname);
return;
}
fwrite(recipes, sizeof(recipes), 1, fp);
fclose(fp);
}
/* load recipes, done just after login when we have the player name */
void load_recipes (){
char fname[128];
FILE *fp;
size_t i;
int logged = 0;
off_t file_size;
const size_t recipe_size = sizeof(item)*NUM_MIX_SLOTS;
if (recipes_loaded) {
/*
* save existing recipes instead of loading them if we are already logged in
* this will take place when relogging after disconnection
*/
save_recipes();
save_recipe_names();
return;
}
safe_snprintf(fname, sizeof(fname), "recipes_%s.dat",get_lowercase_username());
/* get file length, if a valid length adjust the number of recipe slots if required */
file_size = get_file_size_config(fname);
if ((file_size > 0) && (file_size % recipe_size == 0))
{
int num_recipes_in_file = file_size / recipe_size - 1; // -1 as last is current in pipline
if ((num_recipes_in_file > wanted_num_recipe_entries) && (num_recipes_in_file < max_num_recipe_entries))
{
wanted_num_recipe_entries = num_recipes_in_file;
set_var_OPT_INT("wanted_num_recipe_entries", wanted_num_recipe_entries);
}
}
/* allocate and initialise the recipe store */
num_recipe_entries = max_prev_num_recipe_entries = wanted_num_recipe_entries;
recipes_store = (recipe_entry *)calloc(num_recipe_entries, sizeof(recipe_entry));
if (recipes_store == NULL)
{
max_prev_num_recipe_entries = num_recipe_entries = 0;
return;
}
recipes_loaded=1;
init_recipe_names();
/* if the file exists but is not a valid size, don't use it */
if ((file_size > 0) && (file_size % recipe_size != 0))
{
LOG_ERROR("%s: Invalid format (size mismatch) \"%s\"\n", reg_error_str, fname);
return;
}
/* sliently ignore non existing file */
if (file_exists_config(fname)!=1)
return;
fp = open_file_config(fname,"rb");
if(fp == NULL){
LOG_ERROR("%s: %s \"%s\": %s\n", reg_error_str, cant_open_file, fname, strerror(errno));
return;
}
/* attempt to read all the recipies we're expecting */
for (i=0; !feof(fp) && i<num_recipe_entries; i++)
{
if (fread (recipes_store[i].items,recipe_size,1, fp) != 1)
{
if (!logged)
{
LOG_ERROR("%s() fail during read of file [%s] : %s\n", __FUNCTION__, fname, strerror(errno));
logged = 1;
}
memset(recipes_store[i].items, 0, recipe_size);
break;
}
fix_recipe_uids(recipes_store[i].items);
}
/* if there is another, use it as the current recipe in the manufacturing pipeline */
if (!feof(fp))
{
if (fread (manu_recipe.items,recipe_size,1, fp) != 1)
memset(manu_recipe.items, 0, recipe_size);
else
fix_recipe_uids(manu_recipe.items);
}
fclose (fp);
load_recipe_names();
}
