/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * 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.
*
* ---
*
* land.h: Definitions for land units
- *
+ *
* Known contributors to this file:
- * Thomas Rushack, 1992
+ * Thomas Ruschak, 1992
* Ken Stevens, 1995
* Steve McClure, 1998
+ * Markus Armbruster, 2004-2008
*/
-#ifndef _LAND_H_
-#define _LAND_H_
+#ifndef LAND_H
+#define LAND_H
-#include "sect.h"
-#include "ship.h"
+#include <time.h>
+#include "item.h"
#include "queue.h"
-#include "nsc.h"
#include "retreat.h"
+#include "types.h"
+#define LND_TYPE_MAX 30
#define LAND_MINEFF 10
-#define LAND_MINFIREEFF 40 /* arty must be this effic to fire */
-#define MAXLNDV 14
-#define LND_MINMOBCOST 0.200
-
-struct lndstr {
- short ef_type;
- natid lnd_own; /* owner's country num */
- short lnd_uid; /* unit id (land unit) */
- coord lnd_x; /* x location in abs coords */
- coord lnd_y; /* y location in abs coords */
- s_char lnd_type; /* ship type */
- s_char lnd_effic; /* 0% to 100% */
- s_char lnd_mobil; /* mobility units made int for RS/6000 */
- short lnd_sell; /* pointer to trade file */
- short lnd_tech; /* tech level ship was built at */
- s_char lnd_army; /* group membership */
- coord lnd_opx,lnd_opy;/* Op sector coords */
- short lnd_mission; /* mission code */
- short lnd_radius; /* mission radius */
- s_char lnd_flags; /* unit flags */
- short lnd_ship; /* pointer to transporting ship */
- s_char lnd_harden; /* for missiles */
- short lnd_retreat; /* retreat percentage */
- u_char lnd_fuel; /* How much fuel do we have */
- u_char lnd_nxlight; /* How many xlight planes on board? */
- int lnd_rflags; /* When do I retreat? */
- s_char lnd_rpath[RET_LEN]; /* retreat path */
- u_char lnd_rad_max; /* max radius for this unit */
- u_char lnd_scar; /* how experienced the unit is (not used) */
- s_char lnd_nv; /* current number of variables */
- u_char lnd_vtype[MAXLNDV];
- u_short lnd_vamt[MAXLNDV];
- short lnd_land; /* pointer to transporting unit */
- u_char lnd_nland;
- time_t lnd_access; /* Last time mob was updated (MOB_ACCESS) */
- float lnd_att; /* attack multiplier */
- float lnd_def; /* defense multiplier */
- int lnd_vul; /* vulnerability (0-100) */
- int lnd_spd; /* speed */
- int lnd_vis; /* visibility */
- int lnd_spy; /* Seeing distance */
- int lnd_rad; /* reaction radius */
- int lnd_frg; /* firing range */
- int lnd_acc; /* firing accuracy */
- int lnd_dam; /* # of guns firing */
- int lnd_ammo; /* firing ammu used per shot */
- int lnd_aaf; /* aa fire */
- u_char lnd_fuelc; /* fuel capacity */
- u_char lnd_fuelu; /* fuel used per 10 mob */
- u_char lnd_maxlight; /* maximum number of xlight planes */
- u_char lnd_maxland; /* maximum number of units */
- time_t lnd_timestamp; /* Last time this unit was touched */
+#define LAND_MINFIREEFF 40 /* arty must be this effic to fire */
+
+struct lndstr {
+ /* initial part must match struct empobj */
+ short ef_type;
+ short lnd_uid; /* unit id (land unit) */
+ unsigned lnd_seqno;
+ time_t lnd_timestamp; /* Last time this unit was touched */
+ natid lnd_own; /* owner's country num */
+ coord lnd_x; /* x location in abs coords */
+ coord lnd_y; /* y location in abs coords */
+ signed char lnd_type; /* index in lchr[] */
+ signed char lnd_effic; /* 0% to 100% */
+ signed char lnd_mobil; /* mobility units */
+ unsigned char lnd_off; /* repairs stopped? */
+ short lnd_tech; /* tech level ship was built at */
+ char lnd_army; /* group membership */
+ coord lnd_opx, lnd_opy; /* Op sector coords */
+ short lnd_mission; /* mission code */
+ short lnd_radius; /* mission radius */
+ /* end of part matching struct empobj */
+ signed char lnd_flags; /* unit flags (unused) */
+ short lnd_ship; /* pointer to transporting ship */
+ signed char lnd_harden; /* fortification */
+ short lnd_retreat; /* retreat percentage */
+ int lnd_rflags; /* When do I retreat? */
+ char lnd_rpath[RET_LEN]; /* retreat path */
+ unsigned char lnd_scar; /* how experienced the unit is (not used) */
+ short lnd_item[I_MAX+1]; /* amount of items on board */
+ short lnd_pstage; /* plague stage */
+ short lnd_ptime; /* how many etus remain in this stage */
+ short lnd_land; /* pointer to transporting unit */
+ short lnd_access; /* Last tick mob was updated (MOB_ACCESS) */
};
-#define LND_NOTANY bit(0) /* Just a placeholder, not used */
-
-struct lchrstr {
- u_char l_nv; /* number of variables it can hold */
- u_char l_vtype[MAXCHRNV];
- u_short l_vamt[MAXCHRNV];
- s_char *l_name; /* full name of type of land unit */
- int l_lcm; /* units of lcm to build */
- int l_hcm; /* units of hcm to build */
- int l_mil; /* how many mil it takes to build */
- int l_gun; /* how many guns it takes to build */
- int l_shell; /* how many shells it takes to build */
- int l_tech; /* tech required to build */
- int l_cost; /* how much it costs to build */
- float l_att; /* attack multiplier */
- float l_def; /* defense multiplier */
- int l_vul; /* vulnerability (0-100) */
- int l_spd; /* speed */
- int l_vis; /* visibility */
- int l_spy; /* Seeing distance */
- int l_rad; /* reaction radius */
- int l_frg; /* firing range */
- int l_acc; /* firing accuracy */
- int l_dam; /* # of guns firing */
- int l_ammo; /* firing ammu used per shot */
- int l_aaf; /* aa fire */
- u_char l_fuelc; /* fuel capacity */
- u_char l_fuelu; /* fuel used per 10 mob */
- u_char l_nxlight; /* maximum number of xlight planes */
- u_char l_mxland; /* maximum number of units */
- long l_flags; /* what special things can this unit do */
+struct lchrstr {
+ short l_item[I_MAX+1]; /* load limit */
+ char *l_name; /* full name of type of land unit */
+ int l_lcm; /* units of lcm to build */
+ int l_hcm; /* units of hcm to build */
+ int l_mil; /* how many mil it takes to build (unused) */
+ int l_gun; /* how many guns it takes to build (unused) */
+ int l_shell; /* #shells it takes to build (unused) */
+ int l_tech; /* tech required to build */
+ int l_cost; /* how much it costs to build */
+ float l_att; /* attack multiplier */
+ float l_def; /* defense multiplier */
+ int l_vul; /* vulnerability (0-100) */
+ int l_spd; /* speed */
+ int l_vis; /* visibility */
+ int l_spy; /* Seeing distance */
+ int l_rad; /* reaction radius */
+ int l_frg; /* firing range */
+ int l_acc; /* firing accuracy */
+ int l_dam; /* # of guns firing */
+ int l_ammo; /* firing ammu used per shot */
+ int l_aaf; /* aa fire */
+ unsigned char l_nxlight; /* maximum number of xlight planes */
+ unsigned char l_nland; /* maximum number of units */
+ signed char l_type; /* index in lchr[] */
+ long l_flags; /* what special things can this unit do */
};
/* Land unit ability flags */
-#define L_XLIGHT bit(0) /* Hold xlight planes */
#define L_ENGINEER bit(1) /* Do engineering things */
#define L_SUPPLY bit(2) /* supply other units/sects */
#define L_SECURITY bit(3) /* anti-terrorist troops */
#define L_RADAR bit(7) /* radar unit */
#define L_ASSAULT bit(8) /* can assault */
#define L_FLAK bit(9) /* flak unit */
-#define L_SPY bit(10) /* spy unit - way cool */
-#define L_TRAIN bit(11) /* train unit - neato */
-#define L_HEAVY bit(12) /* heavy unit - can't go on trains */
-
-#define LND_ATTDEF(b, t) (((b) * (1.0 + ((sqrt((double)(t)) / 100.0) * 4.0))) \
- > 127 ? 127 : \
- ((b) * (1.0 + ((sqrt((double)(t)) / 100.0) * 4.0))))
-#define LND_SPD(b, t) ((b * (1.0 + ((sqrt((double)t) / 100.0) * 2.1))) > 127\
- ? 127 : (b * (1.0 + ((sqrt((double)t) / 100.0) * 2.1))))
-#define LND_VUL(b, t) ((b * (1.0 - ((sqrt((double)t) / 100.0) * 1.1))) < 0\
- ? 0 : (b * (1.0 - ((sqrt((double)t) / 100.0) * 1.1))))
-#define LND_VIS(b, t) (b)
-#define LND_SPY(b, t) (b)
-#define LND_RAD(b, t) (b)
-#define LND_FRG(b, t) ((t) ? \
- ((b) * (logx((double)(t), (double)35.0) < 1.0 ? 1.0 : \
- logx((double)(t), (double)35.0))) : (b))
-#define LND_DAM(b, t) ((t) ? \
- ((b) * (logx((double)(t), (double)60.0) < 1.0 ? 1.0 : \
- logx((double)(t), (double)60.0))) : (b))
-#define LND_ACC(b, t) ((b * (1.0 - ((sqrt((double)t) / 100.0) * 1.1))) < 0\
- ? 0 : (b * (1.0 - ((sqrt((double)t) / 100.0) * 1.1))))
-#define LND_AMM(b, d, t) ((b) ? ((LND_DAM((d), (t)) / 2) + 1) : 0)
-#define LND_AAF(b, t) ((b * (1.0 + ((sqrt((double)t) / 100.0) * 3.0))) > 127\
- ? 127 : (b * (1.0 + ((sqrt((double)t) / 100.0) * 3.0))))
-#define LND_FC(b, t) (b)
-#define LND_FU(b, t) (b)
-#define LND_XPL(b, t) (b)
-#define LND_MXL(b, t) (b)
-#define LND_COST(b, t) ((b) * (1.0 + (sqrt((double)(t)) / 100.0)))
-
-#define getland(n, p) \
- ef_read(EF_LAND, n, (caddr_t)p)
-#define putland(n, p) \
- ef_write(EF_LAND, n, (caddr_t)p)
-#define getlandp(n) \
- (struct lndstr *) ef_ptr(EF_LAND, n)
-
-extern struct lchrstr lchr[];
-extern int lnd_maxno;
-
-struct llist {
- struct emp_qelem queue; /* list of units */
- coord x,y; /* x,y it came from */
- struct lchrstr *lcp; /* pointer to desc of land unit */
- struct lndstr land; /* struct land unit */
- int eff;
- double mobil;
- int supplied;
+#define L_SPY bit(10) /* spy unit - way cool */
+#define L_TRAIN bit(11) /* train unit - neato */
+#define L_HEAVY bit(12) /* heavy unit - can't go on trains */
+
+/* Work required for building 100% */
+#define LND_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm))
+
+/* Chance to detect L_SPY unit (percent) */
+#define LND_SPY_DETECT_CHANCE(eff) ((110-(eff))/100.0)
+
+#define getland(n, p) ef_read(EF_LAND, (n), (p))
+#define putland(n, p) ef_write(EF_LAND, (n), (p))
+#define getlandp(n) ((struct lndstr *)ef_ptr(EF_LAND, (n)))
+
+extern struct lchrstr lchr[LND_TYPE_MAX + 2];
+
+enum {
+ LND_AIROPS_EFF = 50 /* min. efficiency for air ops */
};
+extern float l_att(struct lchrstr *, int);
+extern float l_def(struct lchrstr *, int);
+extern int l_vul(struct lchrstr *, int);
+extern int l_spd(struct lchrstr *, int);
+extern int l_frg(struct lchrstr *, int);
+extern int l_acc(struct lchrstr *, int);
+extern int l_dam(struct lchrstr *, int);
+extern int l_aaf(struct lchrstr *, int);
+extern float lnd_att(struct lndstr *);
+extern float lnd_def(struct lndstr *);
+extern int lnd_vul(struct lndstr *);
+extern int lnd_spd(struct lndstr *);
+extern int lnd_vis(struct lndstr *);
+extern int lnd_frg(struct lndstr *);
+extern int lnd_acc(struct lndstr *);
+extern int lnd_dam(struct lndstr *);
+extern int lnd_aaf(struct lndstr *);
+
+/* src/lib/common/cargo.c */
+extern void lnd_carrier_change(struct lndstr *, int, int, int);
+extern int lnd_first_on_ship(struct shpstr *);
+extern int lnd_first_on_land(struct lndstr *);
+extern int lnd_next_on_unit(int);
+extern int lnd_nxlight(struct lndstr *);
+extern int lnd_nland(struct lndstr *);
+
+extern int lnd_fire(struct lndstr *);
+extern double lnd_fire_range(struct lndstr *);
+
/* src/lib/subs/lndsub.c */
-extern void lnd_sweep(struct emp_qelem * , int , int , natid );
-extern int lnd_interdict(struct emp_qelem * , coord , coord , natid );
-extern void lnd_sel(struct nstr_item * , struct emp_qelem * );
-extern void lnd_mess(s_char * , struct llist * );
-extern int lnd_check_mines(struct emp_qelem * );
-extern double lnd_mobcost(struct lndstr * , struct sctstr * , int );
-extern s_char * lnd_path(int , struct lndstr * , s_char * );
-
-extern int attack_val(int , struct lndstr * );
-extern int total_mil(struct lndstr * );
-extern int defense_val(struct lndstr * );
-extern int lnd_getmil(struct lndstr * );
-extern void lnd_print(struct llist * , s_char * );
-extern void lnd_delete(struct llist * , s_char * );
-extern int lnd_take_casualty(int , struct llist * , int );
-extern void lnd_submil(struct lndstr * , int );
-extern void lnd_takemob(struct emp_qelem * , double );
-extern int lnd_spyval(struct lndstr * );
-extern int intelligence_report(int , struct lndstr * , int , s_char * );
-extern int count_sect_units(struct sctstr * );
-extern void count_units(struct shpstr * );
-extern void lnd_count_units(struct lndstr * );
-extern void lnd_mar(struct emp_qelem * , double * , double * , int * ,
- natid );
-extern void lnd_put(struct emp_qelem * , natid );
-extern int lnd_hit_mine(struct lndstr * , struct lchrstr * );
-extern void lnd_list(struct emp_qelem * );
-extern int lnd_hardtarget(struct lndstr * );
-extern int lnd_mar_one_sector(struct emp_qelem * , int , natid , int );
-extern int lnd_support(natid , natid , coord , coord );
-extern int lnd_can_attack(struct lndstr * );
-
-
-void landdamage();
-void lnd_nav();
-int lnd_check_nav();
-double sqrt();
-s_char *prland();
-
-#endif /* _LAND_H_ */
+extern void lnd_sweep(struct emp_qelem *, int, int, natid);
+extern int lnd_interdict(struct emp_qelem *, coord, coord, natid);
+extern void lnd_sel(struct nstr_item *, struct emp_qelem *);
+extern int lnd_check_mines(struct emp_qelem *);
+extern double lnd_pathcost(struct lndstr *, double);
+extern int lnd_mobtype(struct lndstr *);
+extern double lnd_mobcost(struct lndstr *, struct sctstr *);
+
+extern double attack_val(int, struct lndstr *);
+extern double defense_val(struct lndstr *);
+extern int lnd_reaction_range(struct lndstr *);
+extern void lnd_print(struct ulist *, char *);
+extern void lnd_delete(struct ulist *, char *);
+extern int lnd_take_casualty(int, struct ulist *, int);
+extern void lnd_submil(struct lndstr *, int);
+extern void lnd_takemob(struct emp_qelem *, double);
+extern int lnd_spyval(struct lndstr *);
+extern void intelligence_report(int, struct lndstr *, int, char *);
+extern void lnd_mar(struct emp_qelem *, double *, double *, int *, natid);
+extern int lnd_hardtarget(struct lndstr *);
+extern int lnd_mar_one_sector(struct emp_qelem *, int, natid, int);
+extern int lnd_support(natid, natid, coord, coord, int);
+extern int lnd_can_attack(struct lndstr *);
+extern int lnd_fortify (struct lndstr *lp, int hard_amt);
+extern void lnd_set_tech(struct lndstr *, int);
+
+#endif
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