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/*
* NetCosm - a MUD server
* Copyright (C) 2016 Franklin Wei
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "globals.h"
#include "hash.h"
#include "verb.h"
#include "world.h"
static void *map = NULL;
struct verb_t *verb_new(const char *class_name)
{
if(!map)
{
map = hash_init(netcosm_verb_classes_sz,
hash_djb,
compare_strings);
for(unsigned i = 0; i < netcosm_verb_classes_sz; ++i)
{
if(hash_insert(map, netcosm_verb_classes[i].class_name,
netcosm_verb_classes + i))
error("duplicate verb class '%s'", netcosm_verb_classes[i].class_name);
}
}
struct verb_t *new = calloc(1, sizeof(struct verb_t));
new->class = hash_lookup(map, class_name);
if(!new->class)
error("world module attempted to instantiate a verb of unknown class '%s'", class_name);
return new;
}
void verb_write(int fd, struct verb_t *verb)
{
write_string(fd, verb->class->class_name);
write_string(fd, verb->name);
}
struct verb_t *verb_read(int fd)
{
char *class_name = read_string(fd);
struct verb_t *ret = verb_new(class_name);
free(class_name);
ret->name = read_string(fd);
return ret;
}
void verb_free(void *ptr)
{
struct verb_t *verb = ptr;
free(verb->name);
free(verb);
}
void verb_shutdown(void)
{
if(map)
{
hash_free(map);
map = NULL;
}
}
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