forked from github/server
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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Copyright (c) 1998-2015, 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 "speedsail.h"
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/* kernel includes */
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#include <kernel/faction.h>
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#include <kernel/item.h>
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#include <kernel/messages.h>
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#include <kernel/plane.h>
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#include <kernel/region.h>
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#include <kernel/ship.h>
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#include <kernel/unit.h>
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#include <attributes/movement.h>
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/* util includes */
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#include <util/attrib.h>
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#include <util/log.h>
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#include <util/macros.h>
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/* libc includes */
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#include <assert.h>
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static int
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use_speedsail(struct unit *u, const struct item_type *itype, int amount,
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struct order *ord)
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{
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struct plane *p = rplane(u->region);
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UNUSED_ARG(amount);
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UNUSED_ARG(itype);
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if (p != NULL) {
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ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "use_realworld_only", ""));
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}
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else {
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if (u->ship) {
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attrib *a = a_find(u->ship->attribs, &at_speedup);
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if (a == NULL) {
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a = a_add(&u->ship->attribs, a_new(&at_speedup));
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a->data.sa[0] = 50; /* speed */
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a->data.sa[1] = 50; /* decay */
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ADDMSG(&u->faction->msgs, msg_message("use_speedsail", "unit", u));
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/* Ticket abziehen */
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i_change(&u->items, itype, -1);
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return 0;
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}
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else {
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cmistake(u, ord, 211, MSG_EVENT);
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}
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}
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else {
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cmistake(u, ord, 144, MSG_EVENT);
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}
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}
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return EUNUSABLE;
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}
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void register_speedsail(void)
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{
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register_item_use(use_speedsail, "use_speedsail");
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}
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