Markus Armbruster
64a53c90f0
Persistent game state encodes "who carries what" by storing the carrier uid in the cargo. Cargo lists augment that: they store lists of cargo for each carrier. They are not persistent. New unit_cargo_init() to compute the cargo lists from game state. Call it in ef_init_srv() and at the end of update_main(). New unit_onresize() to resize the cargo list data structure. Installed as units' struct empfile callback onresize to make them resize automatically with the unit files. New unit_carrier_change() to update cargo lists when carriers change in game state. Convenience wrappers pln_carrier_change(), lnd_carrier_change() and nuk_carrier_change(). Call them from prewrite callbacks to keep cargo lists in sync with game state. To make that work, unused units must not point to a carrier. Add new pln_oninit(), lnd_oninit() and nuk_oninit() take care of newly created units. Change lnd_prewrite() and nuk_prewrite() to take dead land units and nukes off their carrier. pln_prewrite() did that already. New unit_cargo_first(), unit_cargo_next() to traverse cargo lists. Convenience wrappers lnd_first_on_ship(), lnd_first_on_land(), lnd_next_on_unit(), pln_first_on_ship(), pln_first_on_land(), pln_next_on_unit() and nuk_on_plane(). The latter is disabled for now because it clashes with an existing function.
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* unit.h: Generalize unit data structures and functions.
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*
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* Known contributors to this file:
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* Ron Koenderink, 2006-2007
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* Markus Armbruster, 2006
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*/
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#include "empobj.h"
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struct ulist {
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struct emp_qelem queue; /* list of units */
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double mobil; /* how much mobility the unit has left */
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struct empobj_chr *chrp; /* pointer to characteristics unit */
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union empobj_storage unit; /* unit */
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coord x, y; /* x,y it came from LAND only */
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int eff; /* LAND only */
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int supplied; /* LAND only */
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};
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extern void unit_cargo_init(void);
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extern void unit_carrier_change(struct empobj *, int, int, int);
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extern int unit_cargo_first(int, int, int);
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extern int unit_cargo_next(int, int);
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extern int unit_onresize(int);
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extern void unit_list(struct emp_qelem *);
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extern void unit_put(struct emp_qelem *list, natid actor);
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extern char *unit_path(int, struct empobj *, char *);
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extern void unit_view(struct emp_qelem *);
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