/* * Empire - A multi-player, client/server Internet based war game. * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak, * Ken Stevens, Steve McClure * * This program 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 * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 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 * * --- * * 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. * * --- * * plane.h: Definitions for planes and plane types * * Known contributors to this file: * Dave Pare, 1986 * Ken Stevens, 1995 * Steve McClure, 1998 */ #ifndef _PLANE_H_ #define _PLANE_H_ #include "queue.h" #include "sect.h" #define PLANE_MINEFF 10 /* * some routines assume that from pln_x to pln_wing remains * exactly equivalent with shp_x to shp_fleet */ struct plnstr { short ef_type; natid pln_own; /* owning country */ short pln_uid; /* plane unit id */ coord pln_x; /* plane x-y */ coord pln_y; s_char pln_type; /* index in plchr[] */ s_char pln_effic; /* actually "training" */ s_char pln_mobil; /* plane mobility */ short pln_tech; /* plane's tech level */ s_char pln_wing; /* like fleet */ coord pln_opx; /* Op sector coords */ coord pln_opy; /* Op sector coords */ short pln_mission; /* mission code */ short pln_radius; /* mission radius */ u_char pln_range; /* total distance, not radius */ u_char pln_range_max; /* max range for this plane */ short pln_ship; /* pointer to carrier */ short pln_land; /* pointer to carrier */ int pln_att; /* plane air-air attack/defense values */ int pln_def; int pln_acc; int pln_load; int pln_fuel; /* (unused) */ s_char pln_harden; /* for missiles */ s_char pln_nuketype; /* type of nuclear armament (if any) */ s_char pln_flags; /* State of the plane */ time_t pln_access; /* Last time mob was updated (MOB_ACCESS) */ time_t pln_timestamp; /* Last time this plane was touched */ float pln_theta; /* position in orbital sine wave */ }; #define PLN_LAUNCHED bit(0) /* A satellite that's in orbit */ #define PLN_SYNCHRONOUS bit(1) /* A satellite in geo-synchronous orbit */ #define PLN_AIRBURST bit(2) /* Airburst the nuke we're armed with */ struct plchrstr { char *pl_name; /* full name of type of plane */ int pl_lcm; /* costs to build */ int pl_hcm; int pl_cost; int pl_tech; /* tech needed to build */ int pl_acc; /* bombing accuracy (higher the better) */ int pl_load; /* bomb load, also for carrying cargo */ int pl_att; /* air-air attack/defense strengths */ int pl_def; int pl_range; /* how many sectors it can fly */ int pl_crew; /* number of mil to crew it */ int pl_fuel; /* fuel consumption */ int pl_stealth; /* how stealthy is it? */ int pl_flags; /* description of capability */ }; #define P_B bit(0) /* bombing factor only for bombing */ #define P_T bit(1) /* tactical bombing ability */ #define P_F bit(2) /* interceptor/escort */ #define P_C bit(3) /* bombing factor for transport only */ #define P_V bit(4) /* vtol ability */ #define P_M bit(5) /* missile, used only once, can't be intercepted */ #define P_L bit(6) /* light plane, lands on carriers */ #define P_S bit(7) /* Spy ability */ #define P_I bit(8) /* Imaging ability (advanced spying) */ #define P_O bit(9) /* Orbital ability (a satellite) */ #define P_X bit(10) /* Stealth ability */ #define P_N bit(11) /* Nuclear RV interceptor (abm) */ #define P_H bit(12) /* Half stealthy */ #define P_E bit(13) /* extra light */ #define P_K bit(14) /* chopper */ #define P_A bit(15) /* ASW (Anti-Sub Warfare) */ #define P_P bit(16) /* paradropping */ #define P_ESC bit(17) /* escort */ #define P_MINE bit(18) /* can lay mines */ #define P_SWEEP bit(19) /* can sweep mines */ #define P_MAR bit(20) /* missile can hit ships */ #define PM_R bit(0) /* Recon mission */ #define PM_S bit(1) /* Mine-sweeping mission */ #define PLN_MAXDEF 50 /* internal to "fly" module -- really shouldn't be here */ struct plist { struct emp_qelem queue; /* list of planes */ int state; /* state of plane */ int bombs; /* bombs carried for bombing mission */ int misc; /* amount of random item being transported */ struct plchrstr *pcp; /* pointer to desc of plane */ struct plnstr plane; /* struct plane */ }; #define P_OK 0 #define P_FIRED 1 #define P_DEL 2 #define getplane(n, p) \ ef_read(EF_PLANE, n, p) #define putplane(n, p) \ ef_write(EF_PLANE, n, p) #define getplanep(n) \ (struct plnstr *) ef_ptr(EF_PLANE, n) extern struct plchrstr plchr[]; extern int pln_maxno; struct shiplist { short uid; struct shiplist *next; }; #define PLN_ATTDEF(b, t) (b + ((b?1:0) * ((t/20)>10?10:(t/20)))) #define PLN_ACC(b, t) (b * (1.0 - (sqrt((double)t) / 50.))) #define PLN_RAN(b, t) (t ? (b + (logx((double)t, (double)2.0))) : b) #define PLN_LOAD(b, t) (t ? (b * (logx((double)t, (double)50.0) < 1.0 ? 1.0 : \ logx((double)t, (double)50.0))) : b) /* Work required for building 100% */ #define PLN_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm)) /* src/lib/subs/aircombat.c */ extern void ac_planedamage(struct plist *, natid, int, natid, int, int, s_char *); extern void ac_intercept(struct emp_qelem *, struct emp_qelem *, struct emp_qelem *, natid, coord, coord); extern void ac_combat_headers(natid, natid); extern void ac_airtoair(struct emp_qelem *, struct emp_qelem *); extern void ac_doflak(struct emp_qelem *, struct sctstr *); extern void ac_shipflak(struct emp_qelem *, coord, coord); extern void ac_landflak(struct emp_qelem *, coord, coord); extern void ac_fireflak(struct emp_qelem *, natid, natid, int); extern int ac_flak_dam(int); extern void ac_encounter(struct emp_qelem *, struct emp_qelem *, coord, coord, s_char *, int, int, struct emp_qelem *, struct emp_qelem *); extern int ac_isflying(struct plnstr *, struct emp_qelem *); extern int do_evade(struct emp_qelem *, struct emp_qelem *); extern void sam_intercept(struct emp_qelem *, struct emp_qelem *, natid, natid, coord, coord, int); extern int all_missiles(struct emp_qelem *); extern int can_fly(int); /* src/lib/subs/aswplnsubs.c */ extern int on_shiplist(short, struct shiplist *); extern void add_shiplist(short, struct shiplist **); extern void free_shiplist(struct shiplist **); extern void print_shiplist(struct shiplist *); #endif /* _PLANE_H_ */