192 lines
7.3 KiB
C
192 lines
7.3 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2007, 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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* ship.h: Definitions for things having to do with ships
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*
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* Known contributors to this file:
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* Dave Pare
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* Thomas Ruschak, 1992
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* Ken Stevens, 1995
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* Steve McClure, 1998
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*/
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#ifndef SHIP_H
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#define SHIP_H
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#include <time.h>
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#include "item.h"
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#include "queue.h"
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#include "retreat.h"
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#include "types.h"
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#define SHP_TYPE_MAX 46
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#define SHIP_MINEFF 20
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/* bit masks for the autonav mode flags */
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#define AN_AUTONAV bit(2)
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#define AN_STANDBY bit(3)
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#define AN_LOADING bit(4)
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#define AN_SCUTTLE bit(5) /* Auto-scuttle of trade ships */
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/* TMAX is the number of cargo holds a ship use in the autonav code. */
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#define TMAX 6
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#define MAXSHPPATH 28
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#define MAXSHPNAMLEN 24
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struct shpstr {
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/* initial part must match struct empobj */
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short ef_type;
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natid shp_own; /* owner's country num */
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short shp_uid; /* unit id (ship #) */
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coord shp_x; /* x location in abs coords */
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coord shp_y; /* y location in abs coords */
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signed char shp_type; /* index in mchr[] */
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signed char shp_effic; /* 0% to 100% */
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signed char shp_mobil; /* mobility units */
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unsigned char shp_off; /* repairs stopped? */
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short shp_tech; /* tech level ship was built at */
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char shp_fleet; /* group membership */
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coord shp_opx, shp_opy; /* Op sector coords */
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short shp_mission; /* mission code */
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short shp_radius; /* mission radius */
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/* end of part matching struct empobj */
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unsigned char shp_nplane; /* number of planes on board */
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unsigned char shp_nland; /* number of land units on board */
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short shp_armor;
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short shp_speed;
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short shp_visib;
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short shp_frnge;
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short shp_glim;
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coord shp_destx[2]; /* location for ship destination */
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coord shp_desty[2];
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i_type shp_tstart[TMAX]; /* what goods to pick up at start point */
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i_type shp_tend[TMAX]; /* what goods to pick up at end point */
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short shp_lstart[TMAX]; /* How much do we pick up at the start */
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short shp_lend[TMAX]; /* How much do we pick up at the end */
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unsigned char shp_autonav; /* autonavigation flags */
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short shp_item[I_MAX+1]; /* amount of items on board */
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short shp_pstage; /* plague stage */
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short shp_ptime; /* how many etus remain in this stage */
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short shp_access; /* Last tick mob was updated (MOB_ACCESS) */
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time_t shp_timestamp; /* Last time this ship was touched. */
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unsigned char shp_mobquota; /* mobility quota */
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char shp_path[MAXSHPPATH];
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short shp_follow;
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char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */
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unsigned char shp_fuel; /* How much fuel do we have */
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unsigned char shp_nchoppers; /* How many choppers on board? */
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unsigned char shp_nxlight; /* How many xlight planes on board? */
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coord shp_orig_x;
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coord shp_orig_y; /* Where we were built */
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natid shp_orig_own; /* Who built us */
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int shp_rflags; /* When do I retreat? */
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char shp_rpath[RET_LEN]; /* retreat path */
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};
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struct mchrstr {
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short m_item[I_MAX+1]; /* load limit */
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int m_lcm; /* units of lcm to build */
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int m_hcm; /* units of hcm to build */
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int m_armor; /* how well armored it is */
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int m_speed; /* how fast it can go */
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int m_visib; /* how well it can be seen */
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int m_vrnge; /* how well it can see */
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int m_frnge; /* how far it can fire */
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int m_glim; /* how many guns it can fire */
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unsigned char m_nxlight; /* maximum number of xlight planes */
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unsigned char m_nchoppers; /* maximum number of choppers */
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unsigned char m_fuelc; /* fuel capacity */
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unsigned char m_fuelu; /* fuel used per 10 mob */
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char *m_name; /* full name of type of ship */
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int m_tech; /* tech required to build */
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int m_cost; /* how much it costs to build */
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long m_flags; /* what special things can this ship do */
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unsigned char m_nplanes; /* maximum number of planes this ship holds */
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unsigned char m_nland; /* maximum number of units this ship holds */
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signed char m_type; /* index in mchr[] */
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};
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#define M_FOOD bit(0) /* catch that fish! */
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#define M_TORP bit(1) /* fire torpedoes */
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#define M_DCH bit(2) /* drop depth charges on subs */
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#define M_FLY bit(3) /* launch and recover planes */
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/* M_MSL will be automatically set in init_global() if m_nplanes > 0
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and M_FLY is not set */
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#define M_MSL bit(4) /* launch missiles */
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#define M_OIL bit(5) /* drill for oil */
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#define M_SONAR bit(6) /* locate submarines */
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#define M_MINE bit(7) /* drop mines */
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#define M_SWEEP bit(8) /* clean up the mines */
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#define M_SUB bit(9) /* a submarine */
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/* unused bit(10) */
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#define M_LAND bit(11) /* allows full landing ability */
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#define M_SUBT bit(12) /* allows torping of other subs */
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#define M_TRADE bit(13) /* is a trade ship */
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#define M_SEMILAND bit(14) /* can land 1/4 */
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/* M_XLIGHT will be automatically set in init_mchr() if m_nxlight > 0 */
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#define M_XLIGHT bit(15) /* can hold xlight planes */
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/* M_CHOPPER will be automatically set in init_mchr() if m_nchoppers > 0 */
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#define M_CHOPPER bit(16) /* can hold choppers */
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#define M_OILER bit(17) /* can re-fuel ships */
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#define M_SUPPLY bit(18) /* Can supply units/sects/ships */
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#define M_CANAL bit(19) /* Can navigate a canal (BIG CITY) */
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#define M_ANTIMISSILE bit(20) /* Shoot down missile */
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#define getship(n, p) ef_read(EF_SHIP, (n), (p))
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#define putship(n, p) ef_write(EF_SHIP, (n), (p))
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#define getshipp(n) ((struct shpstr *)ef_ptr(EF_SHIP, (n)))
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extern struct mchrstr mchr[SHP_TYPE_MAX + 2];
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#define SHP_DEF(b, t) (t ? (b * (logx(t, 40.0) < 1.0 ? 1.0 : \
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logx(t, 40.0))) : b)
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#define SHP_SPD(b, t) (t ? (b * (logx(t, 35.0) < 1.0 ? 1.0 : \
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logx(t, 35.0))) : b)
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#define SHP_VIS(b, t) (b * (1 - (sqrt(t) / 50)))
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#define SHP_RNG(b, t) (t ? (b * (logx(t, 35.0) < 1.0 ? 1.0 : \
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logx(t, 35.0))) : b)
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#define SHP_FIR(b, t) (t ? (b * (logx(t, 60.0) < 1.0 ? 1.0 : \
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logx(t, 60.0))) : b)
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/* Work required for building 100% */
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#define SHP_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm))
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/* return codes from shp_check_nav */
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#define CN_NAVIGABLE 0
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#define CN_LANDLOCKED 1
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#define CN_CONSTRUCTION 2
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#define CN_ERROR -1
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enum {
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SHP_AIROPS_EFF = 50, /* min. efficiency for air ops */
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SHP_TORP_SHELLS = 3 /* number of shells used by a torpedo */
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};
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#endif
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