2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2000, 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; /* fighter, bomber, etc */
55 s_char pln_effic; /* actually "training" */
56 s_char pln_mobil; /* plane mobility */
57 short pln_sell; /* index into trade file */
58 short pln_tech; /* plane's tech level */
59 s_char pln_wing; /* like fleet */
60 coord pln_opx; /* Op sector coords */
61 coord pln_opy; /* Op sector coords */
62 short pln_mission; /* mission code */
63 short pln_radius; /* mission radius */
64 u_char pln_range; /* total distance, not radius */
65 u_char pln_range_max; /* max range for this plane */
66 short pln_ship; /* pointer to carrier */
67 short pln_land; /* pointer to carrier */
68 int pln_att; /* plane air-air attack/defense values */
73 s_char pln_harden; /* for missiles */
74 s_char pln_nuketype; /* type of nuclear armament (if any) */
75 s_char pln_flags; /* State of the plane */
76 time_t pln_access; /* Last time mob was updated (MOB_ACCESS) */
77 time_t pln_timestamp; /* Last time this plane was touched */
78 float pln_theta; /* position in orbital sine wave */
81 #define PLN_LAUNCHED bit(0) /* A satellite that's in orbit */
82 #define PLN_SYNCHRONOUS bit(1) /* A satellite in geo-synchronous orbit */
83 #define PLN_AIRBURST bit(2) /* Airburst the nuke we're armed with */
86 s_char *pl_name; /* plane vanilla unit name */
87 s_char *pl_planename; /* plane real name */
88 int pl_lcm; /* costs to build */
91 int pl_tech; /* tech needed to build */
92 int pl_acc; /* bombing accuracy (higher the better) */
93 int pl_load; /* bomb load, also for carrying cargo */
94 int pl_att; /* air-air attack/defense strengths */
96 int pl_range; /* how many sectors it can fly */
97 int pl_crew; /* number of mil to crew it */
98 int pl_fuel; /* fuel consumption */
99 int pl_stealth; /* how stealthy is it? */
100 int pl_flags; /* description of capability */
103 #define P_B bit(0) /* bombing factor only for bombing */
104 #define P_T bit(1) /* tactical bombing ability */
105 #define P_F bit(2) /* interceptor/escort */
106 #define P_C bit(3) /* bombing factor for transport only */
107 #define P_V bit(4) /* vtol ability */
108 #define P_M bit(5) /* missile, used only once, can't be intercepted */
109 #define P_L bit(6) /* light plane, lands on carriers */
110 #define P_S bit(7) /* Spy ability */
111 #define P_I bit(8) /* Imaging ability (advanced spying) */
112 #define P_O bit(9) /* Orbital ability (a satellite) */
113 #define P_X bit(10) /* Stealth ability */
114 #define P_N bit(11) /* Nuclear RV interceptor (abm) */
115 #define P_H bit(12) /* Half stealthy */
116 #define P_E bit(13) /* extra light */
117 #define P_K bit(14) /* chopper */
118 #define P_A bit(15) /* ASW (Anti-Sub Warfare) */
119 #define P_P bit(16) /* paradropping */
120 #define P_ESC bit(17) /* escort */
121 #define P_MINE bit(18) /* can lay mines */
122 #define P_SWEEP bit(19) /* can sweep mines */
123 #define P_MAR bit(20) /* missile can hit ships */
125 #define PM_R bit(0) /* Recon mission */
126 #define PM_S bit(1) /* Mine-sweeping mission */
128 #define PLN_MAXDEF 50
130 /* internal to "fly" module -- really shouldn't be here */
133 struct emp_qelem queue; /* list of planes */
134 int state; /* state of plane */
135 int bombs; /* bombs carried for bombing mission */
136 int misc; /* amount of random item being transported */
137 struct plchrstr *pcp; /* pointer to desc of plane */
138 struct plnstr plane; /* struct plane */
145 #define getplane(n, p) \
146 ef_read(EF_PLANE, n, (caddr_t)p)
147 #define putplane(n, p) \
148 ef_write(EF_PLANE, n, (caddr_t)p)
149 #define getplanep(n) \
150 (struct plnstr *) ef_ptr(EF_PLANE, n)
152 extern struct plchrstr plchr[];
153 extern int pln_maxno;
159 struct shiplook *next;
162 #define PLN_ATTDEF(b, t) (b + ((b?1:0) * ((t/20)>10?10:(t/20))))
163 #define PLN_ACC(b, t) (b * (1.0 - (sqrt((double)t) / 50.)))
164 #define PLN_RAN(b, t) (t ? (b + (logx((double)t, (double)2.0))) : b)
165 #define PLN_LOAD(b, t) (t ? (b * (logx((double)t, (double)50.0) < 1.0 ? 1.0 : \
166 logx((double)t, (double)50.0))) : b)
171 float pln_damage_sect();
178 /* src/lib/subs/aircombat.c */
179 extern void ac_planedamage(struct plist *, natid, int, natid, int,
181 extern void ac_intercept(struct emp_qelem *, struct emp_qelem *,
182 struct emp_qelem *, natid, coord, coord);
183 extern void ac_combat_headers(natid, natid);
184 extern void ac_airtoair(struct emp_qelem *, struct emp_qelem *, natid);
185 extern void ac_doflak(struct emp_qelem *, struct sctstr *);
186 extern void ac_shipflak(struct emp_qelem *, coord, coord);
187 extern void ac_landflak(struct emp_qelem *, coord, coord);
188 extern void ac_fireflak(struct emp_qelem *, natid, natid, int);
189 extern void ac_encounter(struct emp_qelem *, struct emp_qelem *, coord,
190 coord, s_char *, int, int,
191 struct emp_qelem *, struct emp_qelem *);
192 extern int ac_isflying(struct plnstr *, struct emp_qelem *);
193 extern int do_evade(struct emp_qelem *, struct emp_qelem *);
194 extern void sam_intercept(struct emp_qelem *, struct emp_qelem *,
195 natid, natid, coord, coord, int);
196 extern int all_missiles(struct emp_qelem *);
197 extern int can_fly(int);
199 /* src/lib/subs/aswplnsubs.c */
200 extern int have_looked(u_char, struct shiplook *);
201 extern int have_found(u_char, struct shiplook *);
202 extern void set_have_looked(u_char, struct shiplook *);
203 extern void set_have_found(u_char, struct shiplook *);
204 extern int print_found(struct shiplook *);
206 #endif /* _PLANE_H_ */