2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * plane.h: Definitions for planes and plane types
30 * Known contributors to this file:
42 #define PLANE_MINEFF 10
45 * some routines assume that from pln_x to pln_wing remains
46 * exactly equivalent with shp_x to shp_fleet
50 natid pln_own; /* owning country */
51 short pln_uid; /* plane unit id */
52 coord pln_x; /* plane x-y */
54 s_char pln_type; /* index in plchr[] */
55 s_char pln_effic; /* actually "training" */
56 s_char pln_mobil; /* plane mobility */
57 short pln_tech; /* plane's tech level */
58 s_char pln_wing; /* like fleet */
59 coord pln_opx; /* Op sector coords */
60 coord pln_opy; /* Op sector coords */
61 short pln_mission; /* mission code */
62 short pln_radius; /* mission radius */
63 u_char pln_range; /* total distance, not radius */
64 u_char pln_range_max; /* max range for this plane */
65 short pln_ship; /* pointer to carrier */
66 short pln_land; /* pointer to carrier */
67 int pln_att; /* plane air-air attack/defense values */
71 int pln_fuel; /* (unused) */
72 s_char pln_harden; /* for missiles */
73 s_char pln_nuketype; /* type of nuclear armament (if any) */
74 s_char pln_flags; /* State of the plane */
75 time_t pln_access; /* Last time mob was updated (MOB_ACCESS) */
76 time_t pln_timestamp; /* Last time this plane was touched */
77 float pln_theta; /* position in orbital sine wave */
80 #define PLN_LAUNCHED bit(0) /* A satellite that's in orbit */
81 #define PLN_SYNCHRONOUS bit(1) /* A satellite in geo-synchronous orbit */
82 #define PLN_AIRBURST bit(2) /* Airburst the nuke we're armed with */
85 char *pl_name; /* full name of type of plane */
86 int pl_lcm; /* costs to build */
89 int pl_tech; /* tech needed to build */
90 int pl_acc; /* bombing accuracy (higher the better) */
91 int pl_load; /* bomb load, also for carrying cargo */
92 int pl_att; /* air-air attack/defense strengths */
94 int pl_range; /* how many sectors it can fly */
95 int pl_crew; /* number of mil to crew it */
96 int pl_fuel; /* fuel consumption */
97 int pl_stealth; /* how stealthy is it? */
98 int pl_flags; /* description of capability */
101 #define P_B bit(0) /* bombing factor only for bombing */
102 #define P_T bit(1) /* tactical bombing ability */
103 #define P_F bit(2) /* interceptor/escort */
104 #define P_C bit(3) /* bombing factor for transport only */
105 #define P_V bit(4) /* vtol ability */
106 #define P_M bit(5) /* missile, used only once, can't be intercepted */
107 #define P_L bit(6) /* light plane, lands on carriers */
108 #define P_S bit(7) /* Spy ability */
109 #define P_I bit(8) /* Imaging ability (advanced spying) */
110 #define P_O bit(9) /* Orbital ability (a satellite) */
111 #define P_X bit(10) /* Stealth ability */
112 #define P_N bit(11) /* Nuclear RV interceptor (abm) */
113 #define P_H bit(12) /* Half stealthy */
114 #define P_E bit(13) /* extra light */
115 #define P_K bit(14) /* chopper */
116 #define P_A bit(15) /* ASW (Anti-Sub Warfare) */
117 #define P_P bit(16) /* paradropping */
118 #define P_ESC bit(17) /* escort */
119 #define P_MINE bit(18) /* can lay mines */
120 #define P_SWEEP bit(19) /* can sweep mines */
121 #define P_MAR bit(20) /* missile can hit ships */
123 #define PM_R bit(0) /* Recon mission */
124 #define PM_S bit(1) /* Mine-sweeping mission */
126 #define PLN_MAXDEF 50
128 /* internal to "fly" module -- really shouldn't be here */
131 struct emp_qelem queue; /* list of planes */
132 int state; /* state of plane */
133 int bombs; /* bombs carried for bombing mission */
134 int misc; /* amount of random item being transported */
135 struct plchrstr *pcp; /* pointer to desc of plane */
136 struct plnstr plane; /* struct plane */
143 #define getplane(n, p) \
144 ef_read(EF_PLANE, n, p)
145 #define putplane(n, p) \
146 ef_write(EF_PLANE, n, p)
147 #define getplanep(n) \
148 (struct plnstr *) ef_ptr(EF_PLANE, n)
150 extern struct plchrstr plchr[];
151 extern int pln_maxno;
155 struct shiplist *next;
158 #define PLN_ATTDEF(b, t) (b + ((b?1:0) * ((t/20)>10?10:(t/20))))
159 #define PLN_ACC(b, t) (b * (1.0 - (sqrt((double)t) / 50.)))
160 #define PLN_RAN(b, t) (t ? (b + (logx((double)t, (double)2.0))) : b)
161 #define PLN_LOAD(b, t) (t ? (b * (logx((double)t, (double)50.0) < 1.0 ? 1.0 : \
162 logx((double)t, (double)50.0))) : b)
164 /* Work required for building 100% */
165 #define PLN_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm))
167 /* src/lib/subs/aircombat.c */
168 extern void ac_planedamage(struct plist *, natid, int, natid, int,
170 extern void ac_intercept(struct emp_qelem *, struct emp_qelem *,
171 struct emp_qelem *, natid, coord, coord);
172 extern void ac_combat_headers(natid, natid);
173 extern void ac_airtoair(struct emp_qelem *, struct emp_qelem *);
174 extern void ac_doflak(struct emp_qelem *, struct sctstr *);
175 extern void ac_shipflak(struct emp_qelem *, coord, coord);
176 extern void ac_landflak(struct emp_qelem *, coord, coord);
177 extern void ac_fireflak(struct emp_qelem *, natid, natid, int);
178 extern int ac_flak_dam(int);
179 extern void ac_encounter(struct emp_qelem *, struct emp_qelem *, coord,
180 coord, s_char *, int, int,
181 struct emp_qelem *, struct emp_qelem *);
182 extern int ac_isflying(struct plnstr *, struct emp_qelem *);
183 extern int do_evade(struct emp_qelem *, struct emp_qelem *);
184 extern void sam_intercept(struct emp_qelem *, struct emp_qelem *,
185 natid, natid, coord, coord, int);
186 extern int all_missiles(struct emp_qelem *);
187 extern int can_fly(int);
189 /* src/lib/subs/aswplnsubs.c */
190 extern int on_shiplist(short, struct shiplist *);
191 extern void add_shiplist(short, struct shiplist **);
192 extern void free_shiplist(struct shiplist **);
193 extern void print_shiplist(struct shiplist *);
195 #endif /* _PLANE_H_ */