| 1 | /* |
| 2 | * @(#)extern.h 2.3 83/12/17 |
| 3 | */ |
| 4 | #include <stdio.h> |
| 5 | #include <signal.h> |
| 6 | #include <ctype.h> |
| 7 | #include "machdep.h" |
| 8 | |
| 9 | #define die() ((rand() >> 3) % 6 + 1) |
| 10 | #define sqr(a) ((a) * (a)) |
| 11 | #define abs(a) ((a) > 0 ? (a) : -(a)) |
| 12 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
| 13 | |
| 14 | #define grappled(a) ((a)->file->ngrap) |
| 15 | #define fouled(a) ((a)->file->nfoul) |
| 16 | #define snagged(a) (grappled(a) + fouled(a)) |
| 17 | |
| 18 | #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) |
| 19 | #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) |
| 20 | #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) |
| 21 | |
| 22 | #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) |
| 23 | #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) |
| 24 | #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) |
| 25 | |
| 26 | #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) |
| 27 | #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) |
| 28 | #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) |
| 29 | |
| 30 | #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) |
| 31 | #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) |
| 32 | #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) |
| 33 | |
| 34 | #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) |
| 35 | |
| 36 | #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) |
| 37 | |
| 38 | /* loadL and loadR, should match loadname[] */ |
| 39 | #define L_EMPTY 0 /* should be 0, don't change */ |
| 40 | #define L_GRAPE 1 |
| 41 | #define L_CHAIN 2 |
| 42 | #define L_ROUND 3 |
| 43 | #define L_DOUBLE 4 |
| 44 | #define L_EXPLODE 5 |
| 45 | |
| 46 | /* |
| 47 | * readyL and readyR, these are bits, except R_EMPTY |
| 48 | */ |
| 49 | #define R_EMPTY 0 /* not loaded and not loading */ |
| 50 | #define R_LOADING 1 /* loading */ |
| 51 | #define R_DOUBLE 2 /* loading double */ |
| 52 | #define R_LOADED 4 /* loaded */ |
| 53 | #define R_INITIAL 8 /* loaded initial */ |
| 54 | |
| 55 | #define HULL 0 |
| 56 | #define RIGGING 1 |
| 57 | |
| 58 | #define W_CAPTAIN 1 |
| 59 | #define W_CAPTURED 2 |
| 60 | #define W_CLASS 3 |
| 61 | #define W_CREW 4 |
| 62 | #define W_DBP 5 |
| 63 | #define W_DRIFT 6 |
| 64 | #define W_EXPLODE 7 |
| 65 | #define W_FILE 8 |
| 66 | #define W_FOUL 9 |
| 67 | #define W_GUNL 10 |
| 68 | #define W_GUNR 11 |
| 69 | #define W_HULL 12 |
| 70 | #define W_MOVE 13 |
| 71 | #define W_OBP 14 |
| 72 | #define W_PCREW 15 |
| 73 | #define W_UNFOUL 16 |
| 74 | #define W_POINTS 17 |
| 75 | #define W_QUAL 18 |
| 76 | #define W_UNGRAP 19 |
| 77 | #define W_RIGG 20 |
| 78 | #define W_COL 21 |
| 79 | #define W_DIR 22 |
| 80 | #define W_ROW 23 |
| 81 | #define W_SIGNAL 24 |
| 82 | #define W_SINK 25 |
| 83 | #define W_STRUCK 26 |
| 84 | #define W_TA 27 |
| 85 | #define W_ALIVE 28 |
| 86 | #define W_TURN 29 |
| 87 | #define W_WIND 30 |
| 88 | #define W_FS 31 |
| 89 | #define W_GRAP 32 |
| 90 | #define W_RIG1 33 |
| 91 | #define W_RIG2 34 |
| 92 | #define W_RIG3 35 |
| 93 | #define W_RIG4 36 |
| 94 | #define W_BEGIN 37 |
| 95 | #define W_END 38 |
| 96 | |
| 97 | struct logs { |
| 98 | char l_name[20]; |
| 99 | int l_uid; |
| 100 | int l_shipnum; |
| 101 | int l_gamenum; |
| 102 | int l_netpoints; |
| 103 | }; |
| 104 | |
| 105 | struct BP { |
| 106 | short turnsent; |
| 107 | struct ship *toship; |
| 108 | short mensent; |
| 109 | }; |
| 110 | |
| 111 | struct snag { |
| 112 | short sn_count; |
| 113 | short sn_turn; |
| 114 | }; |
| 115 | |
| 116 | #define NSCENE nscene |
| 117 | #define NSHIP 10 |
| 118 | #define NBP 3 |
| 119 | |
| 120 | #define NNATION 8 |
| 121 | #define N_A 0 |
| 122 | #define N_B 1 |
| 123 | #define N_S 2 |
| 124 | #define N_F 3 |
| 125 | #define N_J 4 |
| 126 | #define N_D 5 |
| 127 | #define N_K 6 |
| 128 | #define N_O 7 |
| 129 | |
| 130 | struct File { |
| 131 | int index; |
| 132 | char captain[20]; /* 0 */ |
| 133 | short points; /* 20 */ |
| 134 | char loadL; /* 22 */ |
| 135 | char loadR; /* 24 */ |
| 136 | char readyL; /* 26 */ |
| 137 | char readyR; /* 28 */ |
| 138 | struct BP OBP[NBP]; /* 30 */ |
| 139 | struct BP DBP[NBP]; /* 48 */ |
| 140 | char struck; /* 66 */ |
| 141 | struct ship *captured; /* 68 */ |
| 142 | short pcrew; /* 70 */ |
| 143 | char movebuf[10]; /* 72 */ |
| 144 | char drift; /* 82 */ |
| 145 | short nfoul; |
| 146 | short ngrap; |
| 147 | struct snag foul[NSHIP]; /* 84 */ |
| 148 | struct snag grap[NSHIP]; /* 124 */ |
| 149 | char RH; /* 224 */ |
| 150 | char RG; /* 226 */ |
| 151 | char RR; /* 228 */ |
| 152 | char FS; /* 230 */ |
| 153 | char explode; /* 232 */ |
| 154 | char sink; /* 234 */ |
| 155 | char dir; |
| 156 | short col; |
| 157 | short row; |
| 158 | char loadwith; |
| 159 | char stern; |
| 160 | }; |
| 161 | |
| 162 | struct ship { |
| 163 | char *shipname; /* 0 */ |
| 164 | struct shipspecs *specs; /* 2 */ |
| 165 | char nationality; /* 4 */ |
| 166 | short shiprow; /* 6 */ |
| 167 | short shipcol; /* 8 */ |
| 168 | char shipdir; /* 10 */ |
| 169 | struct File *file; /* 12 */ |
| 170 | }; |
| 171 | |
| 172 | struct scenario { |
| 173 | char winddir; /* 0 */ |
| 174 | char windspeed; /* 2 */ |
| 175 | char windchange; /* 4 */ |
| 176 | char vessels; /* 12 */ |
| 177 | char *name; /* 14 */ |
| 178 | struct ship ship[NSHIP]; /* 16 */ |
| 179 | }; |
| 180 | struct scenario scene[]; |
| 181 | int nscene; |
| 182 | |
| 183 | struct shipspecs { |
| 184 | char bs; |
| 185 | char fs; |
| 186 | char ta; |
| 187 | short guns; |
| 188 | char class; |
| 189 | char hull; |
| 190 | char qual; |
| 191 | char crew1; |
| 192 | char crew2; |
| 193 | char crew3; |
| 194 | char gunL; |
| 195 | char gunR; |
| 196 | char carL; |
| 197 | char carR; |
| 198 | char rig1; |
| 199 | char rig2; |
| 200 | char rig3; |
| 201 | char rig4; |
| 202 | short pts; |
| 203 | }; |
| 204 | struct shipspecs specs[]; |
| 205 | |
| 206 | struct scenario *cc; /* the current scenario */ |
| 207 | struct ship *ls; /* &cc->ship[cc->vessels] */ |
| 208 | |
| 209 | #define SHIP(s) (&cc->ship[s]) |
| 210 | #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) |
| 211 | |
| 212 | struct windeffects { |
| 213 | char A, B, C, D; |
| 214 | }; |
| 215 | struct windeffects WET[7][6]; |
| 216 | |
| 217 | struct Tables { |
| 218 | char H, G, C, R; |
| 219 | }; |
| 220 | struct Tables RigTable[11][6]; |
| 221 | struct Tables HullTable[11][6]; |
| 222 | |
| 223 | char AMMO[9][4]; |
| 224 | char HDT[9][10]; |
| 225 | char HDTrake[9][10]; |
| 226 | char QUAL[9][5]; |
| 227 | char MT[9][3]; |
| 228 | |
| 229 | char *countryname[]; |
| 230 | char *classname[]; |
| 231 | char *directionname[]; |
| 232 | char *qualname[]; |
| 233 | char loadname[]; |
| 234 | |
| 235 | char rangeofshot[]; |
| 236 | |
| 237 | char dr[], dc[]; |
| 238 | |
| 239 | int winddir; |
| 240 | int windspeed; |
| 241 | int turn; |
| 242 | int game; |
| 243 | int alive; |
| 244 | int people; |
| 245 | char isplayer; |
| 246 | |
| 247 | char *info(); |
| 248 | char *quality(); |
| 249 | double arctan(); |
| 250 | char *saywhat(); |
| 251 | struct ship *closestenemy(); |
| 252 | |
| 253 | char *calloc(); |
| 254 | char *strcpy(); |
| 255 | char *strcat(); |
| 256 | char *strncpy(); |
| 257 | char *getenv(); |
| 258 | char *gets(); |