X-Git-Url: http://git.pond.sub.org/?p=empserver;a=blobdiff_plain;f=include%2Fship.h;h=83db8c034caa6f68eb4487527559d7ad1166f517;hp=56a2b9665ca5891718c96e65457ecaa7cfc361a6;hb=HEAD;hpb=09b0b83971dc7096934f6888b54fd27308ce1fb1 diff --git a/include/ship.h b/include/ship.h index 56a2b9665..83db8c034 100644 --- a/include/ship.h +++ b/include/ship.h @@ -1,11 +1,11 @@ /* * Empire - A multi-player, client/server Internet based war game. - * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak, - * Ken Stevens, Steve McClure + * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak, + * Ken Stevens, Steve McClure, Markus Armbruster * - * This program is free software; you can redistribute it and/or modify + * Empire 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 2 of the License, or + * 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, @@ -14,208 +14,170 @@ * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program. If not, see . * * --- * - * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the - * related information and legal notices. It is expected that any future - * projects/authors will amend these files as needed. + * See files README, COPYING and CREDITS in the root of the source + * tree for related information and legal notices. It is expected + * that future projects/authors will amend these files as needed. * * --- * * ship.h: Definitions for things having to do with ships - * + * * Known contributors to this file: * Dave Pare - * Thomas Rushack, 1992 + * Thomas Ruschak, 1992 * Ken Stevens, 1995 * Steve McClure, 1998 + * Markus Armbruster, 2004-2020 */ -#ifndef _SHIP_H_ -#define _SHIP_H_ +#ifndef SHIP_H +#define SHIP_H +#include "file.h" #include "item.h" -#include "queue.h" -#include "misc.h" #include "retreat.h" +#include "types.h" -#define SHIP_MINEFF 20 - -/* bit masks for the autonav mode flags */ - -#define AN_AUTONAV bit(2) -#define AN_STANDBY bit(3) -#define AN_LOADING bit(4) -#define AN_SCUTTLE bit(5) /* Auto-scuttle of trade ships */ - -/* TMAX is the number of cargo holds a ship use in the autonav code. */ -#define TMAX 6 +#define SHIP_MINEFF 20 - -#define MAXSHPPATH 28 -#define MAXSHPNAMLEN 24 +#define MAXSHPNAMLEN 24 struct shpstr { - /* initial part must match struct genitem */ - short ef_type; + /* initial part must match struct empobj */ + signed ef_type: 8; + unsigned shp_seqno: 12; + unsigned shp_generation: 12; + int shp_uid; /* unit it (ship #) */ + time_t shp_timestamp; /* Last time this ship was touched. */ natid shp_own; /* owner's country num */ - short shp_uid; /* unit id (ship #) */ coord shp_x; /* x location in abs coords */ coord shp_y; /* y location in abs coords */ - s_char shp_type; /* index in mchr[] */ - s_char shp_effic; /* 0% to 100% */ - s_char shp_mobil; /* mobility units */ + signed char shp_type; /* index in mchr[] */ + signed char shp_effic; /* 0% to 100% */ + signed char shp_mobil; /* mobility units */ + unsigned char shp_off; /* repairs stopped? */ short shp_tech; /* tech level ship was built at */ - s_char shp_fleet; /* group membership */ + char shp_fleet; /* group membership */ coord shp_opx, shp_opy; /* Op sector coords */ short shp_mission; /* mission code */ short shp_radius; /* mission radius */ - /* end of part matching struct genitem */ - u_char shp_nplane; /* number of planes on board */ - u_char shp_nland; /* number of land units on board */ - short shp_armor; - short shp_speed; - short shp_visib; - short shp_frnge; - short shp_glim; - coord shp_destx[2]; /* location for ship destination */ - coord shp_desty[2]; - i_type shp_tstart[TMAX]; /* what goods to pick up at start point */ - i_type shp_tend[TMAX]; /* what goods to pick up at end point */ - short shp_lstart[TMAX]; /* How much do we pick up at the start */ - short shp_lend[TMAX]; /* How much do we pick up at the end */ - u_char shp_autonav; /* autonavigation flags */ + /* end of part matching struct empobj */ short shp_item[I_MAX+1]; /* amount of items on board */ short shp_pstage; /* plague stage */ - short shp_ptime; /* how many etus remain in this stage */ - time_t shp_access; /* Last time mob was updated (MOB_ACCESS) */ - time_t shp_timestamp; /* Last time this ship was touched. */ - u_char shp_mobquota; /* mobility quota */ - s_char shp_path[MAXSHPPATH]; - short shp_follow; - s_char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */ - u_char shp_fuel; /* How much fuel do we have */ - u_char shp_nchoppers; /* How many choppers on board? */ - u_char shp_nxlight; /* How many xlight planes on board? */ + short shp_ptime; /* how many ETUs remain in this stage */ + short shp_access; /* Last tick mob was updated (MOB_ACCESS) */ + char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */ coord shp_orig_x; coord shp_orig_y; /* Where we were built */ natid shp_orig_own; /* Who built us */ int shp_rflags; /* When do I retreat? */ - s_char shp_rpath[RET_LEN]; /* retreat path */ -}; - -struct fltelemstr { - int num; - int own; - double mobil, mobcost; - struct fltelemstr *next; -}; - -struct fltheadstr { - int leader; - s_char real_q; -/* defines for the real_q member */ -#define LEADER_VIRTUAL 0 -#define LEADER_REAL 1 -#define LEADER_WRONGSECT 2 - coord x, y; - natid own; - unsigned maxmoves; - struct fltelemstr *head; - struct fltheadstr *next; + char shp_rpath[RET_LEN]; /* retreat path */ }; struct mchrstr { - u_short m_item[I_MAX+1]; /* load limit */ - int m_lcm; /* units of lcm to build */ - int m_hcm; /* units of hcm to build */ + short m_item[I_MAX+1]; /* load limit */ int m_armor; /* how well armored it is */ int m_speed; /* how fast it can go */ int m_visib; /* how well it can be seen */ int m_vrnge; /* how well it can see */ int m_frnge; /* how far it can fire */ int m_glim; /* how many guns it can fire */ - u_char m_nxlight; /* maximum number of xlight planes */ - u_char m_nchoppers; /* maximum number of choppers */ - u_char m_fuelc; /* fuel capacity */ - u_char m_fuelu; /* fuel used per 10 mob */ + unsigned char m_nxlight; /* maximum number of xlight planes */ + unsigned char m_nchoppers; /* maximum number of choppers */ char *m_name; /* full name of type of ship */ + short m_mat[I_MAX+1]; /* materials to build 100% */ + /* only I_LCM and I_HCM non-zero */ + int m_bwork; /* work to build 100% */ int m_tech; /* tech required to build */ int m_cost; /* how much it costs to build */ - long m_flags; /* what special things can this ship do */ - u_char m_nplanes; /* maximum number of planes this ship holds */ - u_char m_nland; /* maximum number of units this ship holds */ + int m_flags; /* what special things can this ship do */ + unsigned char m_nplanes; /* maximum number of planes this ship holds */ + unsigned char m_nland; /* maximum number of units this ship holds */ + signed char m_type; /* index in mchr[] */ }; #define M_FOOD bit(0) /* catch that fish! */ #define M_TORP bit(1) /* fire torpedoes */ #define M_DCH bit(2) /* drop depth charges on subs */ #define M_FLY bit(3) /* launch and recover planes */ -/* M_MSL will be automatically set in init_global() if m_nplanes > 0 - and M_FLY is not set */ #define M_MSL bit(4) /* launch missiles */ #define M_OIL bit(5) /* drill for oil */ #define M_SONAR bit(6) /* locate submarines */ #define M_MINE bit(7) /* drop mines */ #define M_SWEEP bit(8) /* clean up the mines */ #define M_SUB bit(9) /* a submarine */ -#define M_SPY bit(10) /* gather intelligence info */ +/* unused bit(10) */ #define M_LAND bit(11) /* allows full landing ability */ #define M_SUBT bit(12) /* allows torping of other subs */ #define M_TRADE bit(13) /* is a trade ship */ #define M_SEMILAND bit(14) /* can land 1/4 */ -/* M_XLIGHT will be automatically set in init_global() if m_nxlight > 0 */ -#define M_XLIGHT bit(15) /* can hold xlight planes */ -/* M_CHOPPER will be automatically set in init_global() if m_nchoppers > 0 */ -#define M_CHOPPER bit(16) /* can hold choppers */ -#define M_OILER bit(17) /* can re-fuel ships */ +/* unused bit(15) */ +/* unused bit(16) */ +/* unused bit(17) */ #define M_SUPPLY bit(18) /* Can supply units/sects/ships */ -/* M_UNIT will be automatically set in init_global() if m_nland > 0 */ -#define M_UNIT bit(19) /* Can carry units */ -#define M_ANTIMISSILE bit(20) /* Shoot down missile */ - -#define getship(n, p) \ - ef_read(EF_SHIP, n, p) -#define putship(n, p) \ - ef_write(EF_SHIP, n, p) -#define getshipp(n) \ - (struct shpstr *) ef_ptr(EF_SHIP, n) - -extern struct mchrstr mchr[]; -extern int shp_maxno; - -struct mlist { - struct emp_qelem queue; /* list of ships */ - struct mchrstr *mcp; /* pointer to desc of ship */ - struct shpstr ship; /* struct ship */ - double mobil; /* how much mobility the ship has left */ -}; +#define M_CANAL bit(19) /* Can navigate a canal (BIG CITY) */ +#define M_ANTIMISSILE bit(20) /* Shoot down missile */ -#define SHP_DEF(b, t) (t ? (b * (logx((double)t, (double)40.0) < 1.0 ? 1.0 : \ - logx((double)t, (double)40.0))) : b) -#define SHP_SPD(b, t) (t ? (b * (logx((double)t, (double)35.0) < 1.0 ? 1.0 : \ - logx((double)t, (double)35.0))) : b) -#define SHP_VIS(b, t) (b * (1 - (sqrt((double)t) / 50))) -#define SHP_RNG(b, t) (t ? (b * (logx((double)t, (double)35.0) < 1.0 ? 1.0 : \ - logx((double)t, (double)35.0))) : b) -#define SHP_FIR(b, t) (t ? (b * (logx((double)t, (double)60.0) < 1.0 ? 1.0 : \ - logx((double)t, (double)60.0))) : b) - -/* Work required for building 100% */ -#define SHP_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm)) - - /* return codes from shp_check_nav */ -#define CN_NAVIGABLE 0 -#define CN_LANDLOCKED 1 -#define CN_CONSTRUCTION 2 -#define CN_ERROR -1 +#define getship(n, p) ef_read(EF_SHIP, (n), (p)) +#define putship(n, p) ef_write(EF_SHIP, (n), (p)) +#define getshipp(n) ((struct shpstr *)ef_ptr(EF_SHIP, (n))) + +#define MCHR_SZ 128 +extern struct mchrstr mchr[MCHR_SZ]; enum { SHP_AIROPS_EFF = 50, /* min. efficiency for air ops */ SHP_TORP_SHELLS = 3 /* number of shells used by a torpedo */ }; -#endif /* _SHIP_H_ */ +/* Whether and why a ship is stuck in a sector */ +enum shp_stuck { + SHP_STUCK_NOT, /* not stuck */ + SHP_STUCK_CONSTRUCTION, /* sector not efficient enough */ + SHP_STUCK_CANAL, /* ship lacks M_CANAL */ + SHP_STUCK_IMPASSABLE /* sector type not navigable */ +}; + +extern int m_armor(struct mchrstr *, int); +extern int m_speed(struct mchrstr *, int); +extern int m_visib(struct mchrstr *, int); +extern int m_frnge(struct mchrstr *, int); +extern int m_glim(struct mchrstr *, int); +extern int shp_armor(struct shpstr *); +extern int shp_speed(struct shpstr *); +extern int shp_visib(struct shpstr *); +extern int shp_frnge(struct shpstr *); +extern int shp_glim(struct shpstr *); + +extern int shp_nplane(struct shpstr *, int *, int *, int *); +extern int shp_nland(struct shpstr *); + +extern int shp_dchrg(struct shpstr *); +extern int shp_fire(struct shpstr *); +extern int shp_torp(struct shpstr *, int); +extern double shp_fire_range(struct shpstr *); +extern int shp_usable_guns(struct shpstr *); +extern double shp_torp_hitchance(struct shpstr *, int); + +/* src/lib/subs/shpsub.c */ +extern int shp_may_nav(struct shpstr *, struct shpstr *, char *); +extern void shp_sel(struct nstr_item *, struct emp_qelem *); +extern struct ulist *shp_insque(struct shpstr *, struct emp_qelem *); +extern void shp_nav_stay_behind(struct emp_qelem *, natid); +extern void shp_nav_put(struct emp_qelem *, natid); +extern int shp_sweep(struct emp_qelem *, int, int, natid); +extern enum shp_stuck shp_check_nav(struct shpstr *, struct sctstr *); +extern int sect_has_dock(struct sctstr *); +extern int shp_hardtarget(struct shpstr *); +extern int shp_nav_dir(struct emp_qelem *, int, natid); +extern int shp_nav_gauntlet(struct emp_qelem *, int, natid); +extern int shp_missile_defense(coord, coord, natid, int); +extern void shp_missdef(struct shpstr *, natid); +extern double shp_mobcost(struct shpstr *); +extern void shp_set_tech(struct shpstr *, int); + +#endif