/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, 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,
* 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 <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* ship.h: Definitions for things having to do with ships
- *
+ *
* Known contributors to this file:
* Dave Pare
* Thomas Ruschak, 1992
* Ken Stevens, 1995
* Steve McClure, 1998
+ * Markus Armbruster, 2004-2020
*/
#ifndef SHIP_H
#define SHIP_H
-#include <time.h>
+#include "file.h"
#include "item.h"
-#include "queue.h"
#include "retreat.h"
#include "types.h"
-#define SHP_TYPE_MAX 46
-#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 */
+#define SHIP_MINEFF 20
-/* TMAX is the number of cargo holds a ship use in the autonav code. */
-#define TMAX 6
-
-
-#define MAXSHPPATH 28
-#define MAXSHPNAMLEN 24
+#define MAXSHPNAMLEN 24
struct shpstr {
/* initial part must match struct empobj */
- short ef_type;
- short shp_uid; /* unit id (ship #) */
+ 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 */
coord shp_x; /* x location in abs coords */
coord shp_y; /* y location in abs coords */
short shp_mission; /* mission code */
short shp_radius; /* mission radius */
/* end of part matching struct empobj */
- unsigned char shp_nplane; /* number of planes on board */
- unsigned 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 */
- unsigned char shp_autonav; /* autonavigation flags */
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 */
+ short shp_ptime; /* how many ETUs remain in this stage */
short shp_access; /* Last tick mob was updated (MOB_ACCESS) */
- time_t shp_timestamp; /* Last time this ship was touched. */
- unsigned char shp_mobquota; /* mobility quota */
- char shp_path[MAXSHPPATH];
- short shp_follow;
char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */
- unsigned char shp_fuel; /* How much fuel do we have */
- unsigned char shp_nchoppers; /* How many choppers on board? */
- unsigned char shp_nxlight; /* How many xlight planes on board? */
coord shp_orig_x;
coord shp_orig_y; /* Where we were built */
natid shp_orig_own; /* Who built us */
struct mchrstr {
short m_item[I_MAX+1]; /* load limit */
- int m_lcm; /* units of lcm to build */
- int m_hcm; /* units of hcm to build */
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_glim; /* how many guns it can fire */
unsigned char m_nxlight; /* maximum number of xlight planes */
unsigned char m_nchoppers; /* maximum number of choppers */
- unsigned char m_fuelc; /* fuel capacity */
- unsigned char m_fuelu; /* fuel used per 10 mob */
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 */
+ 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_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 */
-/* unused bit(10) */
+/* 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 */
-/* unused bit(15) */
-/* unused bit(16) */
-#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 */
-#define M_CANAL bit(19) /* Can navigate a canal (BIG CITY) */
-#define M_ANTIMISSILE bit(20) /* Shoot down missile */
+#define M_CANAL bit(19) /* Can navigate a canal (BIG CITY) */
+#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[SHP_TYPE_MAX + 2];
-
-/* 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 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 */
};
+/* 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
projects / empserver / blobdiff