1 /* 2 * Empire - A multi-player, client/server Internet based war game. 3 * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak, 4 * Ken Stevens, Steve McClure, Markus Armbruster 5 * 6 * Empire 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 3 of the License, or 9 * (at your option) any later version. 10 * 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. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 * 19 * --- 20 * 21 * See files README, COPYING and CREDITS in the root of the source 22 * tree for related information and legal notices. It is expected 23 * that future projects/authors will amend these files as needed. 24 * 25 * --- 26 * 27 * plane.h: Definitions for planes and plane types 28 * 29 * Known contributors to this file: 30 * Dave Pare, 1986 31 * Ken Stevens, 1995 32 * Steve McClure, 1998 33 * Markus Armbruster, 2004-2020 34 */ 35 36 #ifndef PLANE_H 37 #define PLANE_H 38 39 #include "file.h" 40 #include "item.h" 41 #include "queue.h" 42 #include "types.h" 43 44 #define PLANE_MINEFF 10 45 46 struct plnstr { 47 /* initial part must match struct empobj */ 48 signed ef_type: 8; 49 unsigned pln_seqno: 12; 50 unsigned pln_generation: 12; 51 int pln_uid; /* unit ID (plane #) */ 52 time_t pln_timestamp; /* Last time this plane was touched */ 53 natid pln_own; /* owning country */ 54 coord pln_x; /* plane x-y */ 55 coord pln_y; 56 signed char pln_type; /* index in plchr[] */ 57 signed char pln_effic; /* actually "training" */ 58 signed char pln_mobil; /* plane mobility */ 59 unsigned char pln_off; /* repairs stopped? */ 60 short pln_tech; /* plane's tech level */ 61 char pln_wing; /* like fleet */ 62 coord pln_opx; /* Op sector coords */ 63 coord pln_opy; /* Op sector coords */ 64 short pln_mission; /* mission code */ 65 short pln_radius; /* mission radius */ 66 /* end of part matching struct empobj */ 67 unsigned char pln_range; /* total distance, not radius */ 68 signed char pln_harden; /* for missiles */ 69 int pln_ship; /* UID of carrier, or -1 */ 70 int pln_land; /* UID of transporting land unit, or -1 */ 71 int pln_flags; /* State of the plane */ 72 short pln_access; /* Last tick mob was updated (MOB_ACCESS) */ 73 float pln_theta; /* position in orbital sine wave */ 74 }; 75 76 #define PLN_LAUNCHED bit(0) /* Flying (satellite: in orbit) */ 77 #define PLN_SYNCHRONOUS bit(1) /* A satellite in geo-synchronous orbit */ 78 #define PLN_AIRBURST bit(2) /* Airburst the nuke we're armed with */ 79 80 struct plchrstr { 81 char *pl_name; /* full name of type of plane */ 82 short pl_mat[I_MAX+1]; /* materials to build 100% */ 83 /* only I_LCM, I_HCM, I_MILIT non-zero */ 84 int pl_bwork; /* work to build 100% */ 85 int pl_tech; /* tech needed to build */ 86 int pl_cost; /* how much it costs to build */ 87 int pl_acc; /* bombing accuracy (higher the better) */ 88 int pl_load; /* bomb load, also for carrying cargo */ 89 int pl_att; /* air-air attack/defense strengths */ 90 int pl_def; 91 int pl_range; /* how many sectors it can fly */ 92 int pl_fuel; /* fuel consumption */ 93 int pl_stealth; /* how stealthy is it? */ 94 int pl_flags; /* description of capability */ 95 signed char pl_type; /* index in plchr[] */ 96 }; 97 98 #define P_B bit(0) /* bombing factor only for bombing */ 99 #define P_T bit(1) /* tactical bombing ability */ 100 #define P_F bit(2) /* interceptor/escort */ 101 #define P_C bit(3) /* bombing factor for transport only */ 102 #define P_V bit(4) /* vtol ability */ 103 #define P_M bit(5) /* missile, used only once, can't be intercepted */ 104 #define P_L bit(6) /* light plane, lands on carriers */ 105 #define P_S bit(7) /* Spy ability */ 106 #define P_I bit(8) /* Imaging ability (advanced spying) */ 107 #define P_O bit(9) /* Orbital ability (a satellite) */ 108 /* unused bit(10) */ 109 #define P_N bit(11) /* Nuclear RV interceptor (ABM) */ 110 /* unused bit(12) */ 111 #define P_E bit(13) /* extra light */ 112 #define P_K bit(14) /* chopper */ 113 #define P_A bit(15) /* ASW (Anti-Sub Warfare) */ 114 #define P_P bit(16) /* paradropping */ 115 #define P_ESC bit(17) /* escort */ 116 #define P_MINE bit(18) /* can lay mines */ 117 #define P_SWEEP bit(19) /* can sweep mines */ 118 #define P_MAR bit(20) /* missile can hit ships */ 119 120 #define PM_R bit(0) /* Recon mission */ 121 #define PM_S bit(1) /* Mine-sweeping mission */ 122 123 /* internal to "fly" module -- really shouldn't be here */ 124 125 struct plist { 126 struct emp_qelem queue; /* list of planes */ 127 int load; /* number of bombs or items carried */ 128 short pstage; /* plague stage */ 129 struct plchrstr *pcp; /* pointer to desc of plane */ 130 struct plnstr plane; /* struct plane */ 131 }; 132 133 #define getplane(n, p) ef_read(EF_PLANE, (n), (p)) 134 #define putplane(n, p) ef_write(EF_PLANE, (n), (p)) 135 #define getplanep(n) ((struct plnstr *)ef_ptr(EF_PLANE, (n))) 136 137 #define PLCHR_SZ 128 138 extern struct plchrstr plchr[PLCHR_SZ]; 139 140 struct shiplist { 141 int uid; 142 struct shiplist *next; 143 }; 144 145 extern int pl_att(struct plchrstr *, int); 146 extern int pl_def(struct plchrstr *, int); 147 extern int pl_acc(struct plchrstr *, int); 148 extern int pl_range(struct plchrstr *, int); 149 extern int pl_load(struct plchrstr *, int); 150 extern int pln_att(struct plnstr *); 151 extern int pln_def(struct plnstr *); 152 extern int pln_acc(struct plnstr *); 153 extern int pln_range_max(struct plnstr *); 154 extern int pln_load(struct plnstr *); 155 156 /* src/lib/common/cargo.c */ 157 extern void pln_carrier_change(struct plnstr *, int, int, int); 158 extern int pln_first_on_ship(struct shpstr *); 159 extern int pln_first_on_land(struct lndstr *); 160 extern int pln_next_on_unit(int); 161 162 /* src/lib/subs/aircombat.c */ 163 extern int ac_flak_dam(int, int, int); 164 extern void ac_encounter(struct emp_qelem *, struct emp_qelem *, coord, 165 coord, char *, int); 166 extern int ac_damage_plane(struct plnstr *, natid, int, int, char *); 167 168 /* src/lib/subs/aswplnsubs.c */ 169 extern int on_shiplist(int, struct shiplist *); 170 extern void add_shiplist(int, struct shiplist **); 171 extern void free_shiplist(struct shiplist **); 172 173 #endif 174