forked from github/server
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/*
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Copyright (c) 1998-2010, Enno Rehling <enno@eressea.de>
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Katja Zedel <katze@felidae.kn-bremen.de
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Christian Schlittchen <corwin@amber.kn-bremen.de>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**/
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#include <platform.h>
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#include <kernel/config.h>
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#include "otherfaction.h"
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#include <kernel/faction.h>
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#include <kernel/unit.h>
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#include <util/attrib.h>
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#include <storage.h>
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#include <assert.h>
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/*
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* simple attributes that do not yet have their own file
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*/
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void write_of(const struct attrib *a, const void *owner, struct storage *store)
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{
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const faction *f = (faction *) a->data.v;
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WRITE_INT(store, f->no);
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}
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int read_of(struct attrib *a, void *owner, struct storage *store)
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{ /* return 1 on success, 0 if attrib needs removal */
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int of;
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static int rule = -1;
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if (rule<0) {
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rule = rule_stealth_faction();
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}
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READ_INT(store, &of);
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if (rule&2) {
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a->data.v = findfaction(of);
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if (a->data.v) {
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return AT_READ_OK;
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}
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}
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return AT_READ_FAIL;
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}
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attrib_type at_otherfaction = {
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"otherfaction", NULL, NULL, NULL, write_of, read_of, ATF_UNIQUE
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};
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struct faction *get_otherfaction(const struct attrib *a)
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{
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return (faction *) (a->data.v);
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}
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struct attrib *make_otherfaction(struct faction *f)
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{
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attrib *a = a_new(&at_otherfaction);
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a->data.v = (void *)f;
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return a;
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}
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faction *visible_faction(const faction * f, const unit * u)
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{
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if (f == NULL || !alliedunit(u, f, HELP_FSTEALTH)) {
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attrib *a = a_find(u->attribs, &at_otherfaction);
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if (a) {
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faction *fv = get_otherfaction(a);
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assert(fv != NULL); /* fv should never be NULL! */
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return fv;
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}
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}
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return u->faction;
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}
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