/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2014, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire is free software: you can redistribute it and/or modify
* Thomas Ruschak, 1992
* Ken Stevens, 1995
* Steve McClure, 1998
- * Markus Armbruster, 2004-2014
+ * Markus Armbruster, 2004-2020
*/
#ifndef SHIP_H
#define SHIP_H
-#include <time.h>
+#include "file.h"
#include "item.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 */
-
-/* TMAX is the number of cargo holds a ship use in the autonav code. */
-#define TMAX 6
-
-
-#define MAXSHPPATH 28
#define MAXSHPNAMLEN 24
struct shpstr {
short shp_mission; /* mission code */
short shp_radius; /* mission radius */
/* end of part matching struct empobj */
- 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) */
- unsigned char shp_mobquota; /* mobility quota */
- char shp_path[MAXSHPPATH];
- int shp_follow;
char shp_name[MAXSHPNAMLEN]; /* name set with the "name" command */
coord shp_orig_x;
coord shp_orig_y; /* Where we were built */
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 */
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 */
int m_flags; /* what special things can this ship do */
#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_mchr() 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 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))
+#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 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(struct emp_qelem *, double *, double *, int *, natid);
-extern void shp_put(struct emp_qelem *, natid);
+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 d_navigation shp_check_nav(struct shpstr *, struct sctstr *);
+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_one_sector(struct emp_qelem *, int, natid, int);
+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 *);
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