[0badc31] | 1 | /* cavern.h |
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[bb90203] | 2 | * SURVEX Cave surveying software - header file |
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[f6d18aef] | 3 | * Copyright (C) 1991-2003,2005 Olly Betts |
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[168df28] | 4 | * Copyright (C) 2004 Simeon Warner |
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[846746e] | 5 | * |
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[89231c4] | 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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[846746e] | 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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[89231c4] | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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[846746e] | 15 | * |
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[89231c4] | 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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[1b71c05] | 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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[bb90203] | 19 | */ |
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| 20 | |
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[3875c32] | 21 | #ifndef CAVERN_H |
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| 22 | #define CAVERN_H |
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| 23 | |
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[ef3c9e2] | 24 | #define CHASM3DX |
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[3d441da] | 25 | |
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[05c700b] | 26 | /* Using covariances increases the memory required somewhat - may be |
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| 27 | * desirable to disable this for small memory machines */ |
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| 28 | |
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[93ac03a] | 29 | /* #define NO_COVARIANCES 1 */ |
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[bb90203] | 30 | |
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| 31 | #include <stdio.h> |
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| 32 | #include <stdlib.h> |
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| 33 | #include <string.h> |
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| 34 | #include <ctype.h> |
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| 35 | #include <math.h> |
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| 36 | #include <float.h> |
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| 37 | |
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| 38 | #include "img.h" |
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[3d441da] | 39 | #include "useful.h" |
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[bb90203] | 40 | |
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[05c700b] | 41 | /* Set EXPLICIT_FIXED_FLAG to 1 to force an explicit fixed flag to be used |
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| 42 | * in each pos struct, rather than using p[0]==UNFIXED_VAL to indicate |
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| 43 | * unfixed-ness. This may be slightly faster, but uses more memory. |
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[bb90203] | 44 | */ |
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| 45 | #ifndef EXPLICIT_FIXED_FLAG |
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| 46 | # define EXPLICIT_FIXED_FLAG 0 |
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| 47 | #endif |
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| 48 | |
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| 49 | typedef double real; /* so we can change the precision used easily */ |
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| 50 | #define HUGE_REAL HUGE_VAL |
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[daf88e1] | 51 | /* RISC OS FP emulation is broken, and the reported epsilon value isn't |
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| 52 | * useful in practice, so we fake it in the makefile */ |
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| 53 | #ifndef REAL_EPSILON |
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| 54 | # define REAL_EPSILON DBL_EPSILON |
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| 55 | #endif |
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[bb90203] | 56 | |
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| 57 | #if (!EXPLICIT_FIXED_FLAG) |
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| 58 | # define UNFIXED_VAL HUGE_VAL /* if p[0]==UNFIXED_VAL, station is unfixed */ |
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| 59 | #endif |
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| 60 | |
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[7d40549] | 61 | #define SPECIAL_EOL 0x0001 |
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| 62 | #define SPECIAL_BLANK 0x0002 |
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| 63 | #define SPECIAL_KEYWORD 0x0004 |
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| 64 | #define SPECIAL_COMMENT 0x0008 |
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| 65 | #define SPECIAL_OMIT 0x0010 |
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[a882316] | 66 | #ifndef NO_DEPRECATED |
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[7d40549] | 67 | #define SPECIAL_ROOT 0x0020 |
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[a882316] | 68 | #endif |
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[7d40549] | 69 | #define SPECIAL_SEPARATOR 0x0040 |
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| 70 | #define SPECIAL_NAMES 0x0080 |
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| 71 | #define SPECIAL_DECIMAL 0x0100 |
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| 72 | #define SPECIAL_MINUS 0x0200 |
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| 73 | #define SPECIAL_PLUS 0x0400 |
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| 74 | #define SPECIAL_OPEN 0x0800 |
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| 75 | #define SPECIAL_CLOSE 0x1000 |
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[bb90203] | 76 | |
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[3875c32] | 77 | extern char *fnm_output_base; |
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| 78 | extern int fnm_output_base_is_dir; |
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| 79 | |
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[d1878c51] | 80 | extern bool fExportUsed; |
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| 81 | |
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[bb90203] | 82 | /* Types */ |
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| 83 | |
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[05c700b] | 84 | typedef enum { |
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[b14f44f] | 85 | Q_NULL = -1, Q_DEFAULT, Q_LENGTH, Q_DEPTH, Q_DX, Q_DY, Q_DZ, Q_COUNT, Q_POS, |
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| 86 | Q_BEARING, Q_BACKBEARING, Q_GRADIENT, Q_BACKGRADIENT, Q_DECLINATION, |
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| 87 | Q_PLUMB, Q_LEVEL, Q_MAC |
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[05c700b] | 88 | } q_quantity; |
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[bb90203] | 89 | |
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[e6bd1b6] | 90 | typedef enum { |
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| 91 | INFER_NULL = -1, INFER_EQUATES, INFER_EXPORTS, INFER_PLUMBS, INFER_SUBSURVEYS |
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| 92 | } infer_what; |
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| 93 | |
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[bb90203] | 94 | /* unsigned long to cope with 16-bit int-s */ |
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| 95 | #define BIT(N) (1UL << (N)) |
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| 96 | #define BITA(N) (1UL << ((N) - 'a')) |
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| 97 | |
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[7f08c83] | 98 | #define TSTBIT(W, N) (((W)>>(N))&1) |
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| 99 | |
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[bb90203] | 100 | /* masks for quantities which are length and angles respectively */ |
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| 101 | #define LEN_QMASK (BIT(Q_LENGTH) | BIT(Q_DEPTH) |\ |
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[b14f44f] | 102 | BIT(Q_DX) | BIT(Q_DY) | BIT(Q_DZ) | BIT(Q_POS) | BIT(Q_COUNT)) |
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| 103 | #define ANG_QMASK (BIT(Q_BEARING) | BIT(Q_BACKBEARING) |\ |
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| 104 | BIT(Q_GRADIENT) | BIT(Q_BACKGRADIENT) | BIT(Q_PLUMB) | BIT(Q_LEVEL) |\ |
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| 105 | BIT(Q_DECLINATION)) |
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[bb90203] | 106 | |
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[5c3c61a] | 107 | /* if you add/change the order, check factor_tab in commands.c */ |
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[05c700b] | 108 | typedef enum { |
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| 109 | UNITS_NULL = -1, UNITS_METRES, UNITS_FEET, UNITS_YARDS, |
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| 110 | UNITS_DEGS, UNITS_GRADS, UNITS_PERCENT, UNITS_MINUTES, UNITS_MAC |
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| 111 | } u_units; |
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[5c3c61a] | 112 | |
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[95c3272] | 113 | /* don't reorder these values! They need to match with img.h too */ |
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[5c3c61a] | 114 | typedef enum { |
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[95c3272] | 115 | FLAGS_NOT = -2, FLAGS_UNKNOWN = -1, FLAGS_SURFACE, FLAGS_DUPLICATE, |
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| 116 | FLAGS_SPLAY |
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[3d441da] | 117 | #if 0 |
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| 118 | , |
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| 119 | /* underground, but through rock (e.g. radiolocation). Want to hide from |
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| 120 | * plots by default (so not cave) but don't want to include in surface |
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| 121 | * triangulation nets (so not surface) */ |
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[b14f44f] | 122 | FLAGS_SKELETAL /* FIXME */ |
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[3d441da] | 123 | #endif |
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[5c3c61a] | 124 | } flags; |
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[bb90203] | 125 | |
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[ab4de24] | 126 | typedef int compiletimeassert_flags1[BIT(FLAGS_SURFACE) == img_FLAG_SURFACE ? 1 : -1]; |
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| 127 | typedef int compiletimeassert_flags2[BIT(FLAGS_DUPLICATE) == img_FLAG_DUPLICATE ? 1 : -1]; |
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| 128 | typedef int compiletimeassert_flags3[BIT(FLAGS_SPLAY) == img_FLAG_SPLAY ? 1 : -1]; |
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| 129 | |
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[95c3272] | 130 | typedef enum { |
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[f6d18aef] | 131 | /* Don't reorder these values! They need to match with img.h too. */ |
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[dfb4240] | 132 | SFLAGS_SURFACE = 0, SFLAGS_UNDERGROUND, SFLAGS_ENTRANCE, SFLAGS_EXPORTED, |
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| 133 | SFLAGS_FIXED, |
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[f6d18aef] | 134 | /* These values don't need to match img.h, but mustn't clash. */ |
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[0badc31] | 135 | SFLAGS_SOLVED = 13, SFLAGS_SUSPECTTYPO = 14, SFLAGS_SURVEY = 15 |
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[95c3272] | 136 | } sflags; |
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[f6d18aef] | 137 | |
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| 138 | /* Mask to AND with to get bits to pass to img library. */ |
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| 139 | #define SFLAGS_MASK (BIT(SFLAGS_SURFACE) | BIT(SFLAGS_UNDERGROUND) |\ |
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| 140 | BIT(SFLAGS_ENTRANCE) | BIT(SFLAGS_EXPORTED) | BIT(SFLAGS_FIXED)) |
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[95c3272] | 141 | |
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[ab4de24] | 142 | typedef int compiletimeassert_sflags1[BIT(SFLAGS_SURFACE) == img_SFLAG_SURFACE ? 1 : -1]; |
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| 143 | typedef int compiletimeassert_sflags2[BIT(SFLAGS_UNDERGROUND) == img_SFLAG_UNDERGROUND ? 1 : -1]; |
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| 144 | typedef int compiletimeassert_sflags3[BIT(SFLAGS_ENTRANCE) == img_SFLAG_ENTRANCE ? 1 : -1]; |
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| 145 | typedef int compiletimeassert_sflags4[BIT(SFLAGS_EXPORTED) == img_SFLAG_EXPORTED ? 1 : -1]; |
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| 146 | typedef int compiletimeassert_sflags5[BIT(SFLAGS_FIXED) == img_SFLAG_FIXED ? 1 : -1]; |
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| 147 | |
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[bb90203] | 148 | /* enumeration of field types */ |
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[05c700b] | 149 | typedef enum { |
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[5bcd880] | 150 | End = 0, Tape, Comp, Clino, BackComp, BackClino, |
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| 151 | FrDepth, ToDepth, Dx, Dy, Dz, FrCount, ToCount, |
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[168df28] | 152 | /* Up to here are readings are allowed multiple values |
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| 153 | * and have slot in the value[] array in datain.c. |
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| 154 | * (Depth, DepthChange, and Count can have multiple |
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| 155 | * readings, but are actually handled using tokens |
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| 156 | * above rather than as themselves). |
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| 157 | * |
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| 158 | * Fr must be the first reading after this comment! |
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| 159 | */ |
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[5bcd880] | 160 | Fr, To, Station, Depth, DepthChange, Count, Dir, |
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[168df28] | 161 | Newline, IgnoreAllAndNewLine, Ignore, IgnoreAll, |
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| 162 | /* IgnoreAll must be the last reading before this comment! |
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| 163 | * |
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| 164 | * Readings after this comment are only used in datain.c |
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| 165 | * so can have enum values >= 32 because we only use a |
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| 166 | * bitmask for those readings used in commands.c. |
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| 167 | */ |
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| 168 | CompassDATComp, CompassDATClino, CompassDATBackComp, CompassDATBackClino, |
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| 169 | CompassDATFlags |
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[0395657] | 170 | } reading; |
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[ab4a922] | 171 | /* Tape Comp Clino BackComp BackClino FrDepth ToDepth Dx Dy Dz FrCount ToCount */ |
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[05c700b] | 172 | |
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[90bb053f] | 173 | /* if IgnoreAll is >= 32, the compiler will choke on this */ |
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| 174 | typedef char compiletimeassert_reading[IgnoreAll < 32 ? 1 : -1]; |
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| 175 | |
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[3d441da] | 176 | /* position or length vector */ |
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| 177 | typedef real delta[3]; |
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| 178 | |
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| 179 | /* variance */ |
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| 180 | #ifdef NO_COVARIANCES |
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| 181 | typedef real var[3]; |
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| 182 | typedef var svar; |
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| 183 | #else |
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| 184 | typedef real var[3][3]; |
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| 185 | typedef real svar[6]; |
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| 186 | #endif |
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[bb90203] | 187 | |
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| 188 | /* station name */ |
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| 189 | typedef struct Prefix { |
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| 190 | struct Prefix *up, *down, *right; |
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| 191 | struct Node *stn; |
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| 192 | struct Pos *pos; |
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[eb18f4d] | 193 | const char *ident; |
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[4d9eecd] | 194 | const char *filename; |
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| 195 | unsigned int line; |
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[c00c74a9] | 196 | /* If (min_export == 0) then max_export is max # levels above is this |
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| 197 | * prefix is used (and so needs to be exported) (0 == parent only). |
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| 198 | * If (min_export > 0) then max_export is max # levels above this |
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[932f7e9] | 199 | * prefix has been exported, and min_export is how far down the exports |
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| 200 | * have got (if min_export > 1 after a run, this prefix hasn't been |
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[c00c74a9] | 201 | * exported from below enough). |
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[e6bd1b6] | 202 | * If INFER_EXPORTS is active when a station is encountered, we |
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[c00c74a9] | 203 | * set min_export = USHRT_MAX and max_export gets set as usual. Then at |
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| 204 | * the end of the run, we also mark stations with min_export == USHRT_MAX |
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| 205 | * and max_export > 0 as exported. */ |
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| 206 | unsigned short max_export, min_export; |
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[95c3272] | 207 | /* stn flags - e.g. surface, underground, entrance |
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| 208 | * also suspecttypo and survey */ |
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[421b7d2] | 209 | unsigned short sflags; |
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[c00c74a9] | 210 | short shape; |
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[ef3c9e2] | 211 | #ifdef CHASM3DX |
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[3d441da] | 212 | struct Twig *twig_link; |
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[647407d] | 213 | #endif |
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[bb90203] | 214 | } prefix; |
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| 215 | |
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| 216 | /* stuff stored for both forward & reverse legs */ |
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| 217 | typedef struct { |
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| 218 | struct Node *to; |
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| 219 | /* bits 0..1 = reverse leg number; bit7 is fFullLeg */ |
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| 220 | /* bit6 = fReplacementLeg (by reduction rules) */ |
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[cb3d1e2] | 221 | /* bit5 = articulation leg (i.e. carries no error) */ |
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[67508f0] | 222 | unsigned char reverse; |
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[5c3c61a] | 223 | /* flags - e.g. surface, duplicate survey |
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[693388e] | 224 | * only used if (FLAG_DATAHERE & !(FLAG_REPLACEMENTLEG|FLAG_FAKE)) |
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[f6d18aef] | 225 | * This could be only in linkfor, but this is actually more space |
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| 226 | * efficient. |
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[5c3c61a] | 227 | */ |
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[67508f0] | 228 | unsigned char flags; |
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[bb90203] | 229 | } linkcommon; |
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[3d441da] | 230 | |
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[cb3d1e2] | 231 | #define FLAG_DATAHERE 0x80 |
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| 232 | #define FLAG_REPLACEMENTLEG 0x40 |
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[7f08c83] | 233 | #define FLAG_ARTICULATION 0x20 |
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[693388e] | 234 | #define FLAG_FAKE 0x10 /* an equate or leg inside an sdfix */ |
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[cb3d1e2] | 235 | #define MASK_REVERSEDIRN 0x03 |
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[bb90203] | 236 | |
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| 237 | /* reverse leg - deltas & vars stored on other dirn */ |
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| 238 | typedef struct LinkRev { |
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| 239 | linkcommon l; |
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| 240 | } linkrev; |
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| 241 | |
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| 242 | /* forward leg - deltas & vars stored here */ |
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| 243 | typedef struct Link { |
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| 244 | linkcommon l; |
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[eb18f4d] | 245 | delta d; /* Delta */ |
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[59f2dbb] | 246 | svar v; /* Variances */ |
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[bb90203] | 247 | } linkfor; |
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| 248 | |
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| 249 | /* node - like a station, except several nodes are used to represent a |
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| 250 | * station with more than 3 legs connected to it |
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| 251 | */ |
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| 252 | typedef struct Node { |
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| 253 | struct Prefix *name; |
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| 254 | struct Link *leg[3]; |
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[564f471] | 255 | struct Node *prev, *next; |
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[118eea4] | 256 | long colour; |
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[bb90203] | 257 | } node; |
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| 258 | |
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| 259 | /* station position */ |
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| 260 | typedef struct Pos { |
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[eb18f4d] | 261 | delta p; /* Position */ |
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[bb90203] | 262 | #if EXPLICIT_FIXED_FLAG |
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[67508f0] | 263 | unsigned char fFixed; /* flag indicating if station is a fixed point */ |
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[bb90203] | 264 | #endif |
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[ef3c9e2] | 265 | #ifdef CHASM3DX |
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[350b2a6] | 266 | INT32_T id; |
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[647407d] | 267 | #endif |
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[bb90203] | 268 | } pos; |
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| 269 | |
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| 270 | /* |
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| 271 | typedef struct Inst { |
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| 272 | real zero, scale, units; |
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| 273 | } inst; |
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| 274 | */ |
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| 275 | |
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[107b8bd] | 276 | /* Survey data styles */ |
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| 277 | #define STYLE_NORMAL 0 |
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| 278 | #define STYLE_DIVING 1 |
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| 279 | #define STYLE_CARTESIAN 2 |
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| 280 | #define STYLE_CYLPOLAR 3 |
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| 281 | #define STYLE_NOSURVEY 4 |
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| 282 | #define STYLE_IGNORE 5 |
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| 283 | |
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[bb90203] | 284 | /* various settings preserved by *BEGIN and *END */ |
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| 285 | typedef struct Settings { |
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[eb18f4d] | 286 | unsigned int Truncate; |
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[fa42426] | 287 | bool f_clino_percent; |
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| 288 | bool f_backclino_percent; |
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[e6bd1b6] | 289 | unsigned char infer; |
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[bb90203] | 290 | enum {OFF, LOWER, UPPER} Case; |
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[107b8bd] | 291 | int style; |
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[bb90203] | 292 | prefix *Prefix; |
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| 293 | prefix *tag; /* used to check BEGIN/END tags match */ |
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| 294 | short *Translate; /* if short is >= 16 bits, which ANSI requires */ |
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| 295 | real Var[Q_MAC]; |
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| 296 | real z[Q_MAC]; |
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| 297 | real sc[Q_MAC]; |
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[cb3d1e2] | 298 | real units[Q_MAC]; |
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[0395657] | 299 | reading *ordering; |
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[47c7a94] | 300 | int begin_lineno; /* 0 means no block started in this file */ |
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[5c3c61a] | 301 | int flags; |
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[bb90203] | 302 | struct Settings *next; |
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| 303 | } settings; |
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| 304 | |
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| 305 | /* global variables */ |
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| 306 | extern settings *pcs; |
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| 307 | extern prefix *root; |
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| 308 | extern node *stnlist; |
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[3875c32] | 309 | extern unsigned long optimize; |
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[bd283cf6] | 310 | |
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[bb90203] | 311 | extern char *survey_title; |
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| 312 | extern int survey_title_len; |
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| 313 | |
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| 314 | extern bool fExplicitTitle; |
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| 315 | extern long cLegs, cStns, cComponents; |
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| 316 | extern FILE *fhErrStat; |
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[693388e] | 317 | extern img *pimg; |
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[bb90203] | 318 | #ifndef NO_PERCENTAGE |
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| 319 | extern bool fPercent; |
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| 320 | #endif |
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| 321 | extern real totadj, total, totplan, totvert; |
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| 322 | extern real min[3], max[3]; |
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| 323 | extern prefix *pfxHi[3], *pfxLo[3]; |
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[647407d] | 324 | extern bool fQuiet; /* just show brief summary + errors */ |
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[ed0f5b6] | 325 | extern bool fMute; /* just show errors */ |
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[647407d] | 326 | extern bool fSuppress; /* only output 3d(3dx) file */ |
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[bb90203] | 327 | |
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| 328 | /* macros */ |
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| 329 | |
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| 330 | #define POS(S, D) ((S)->name->pos->p[(D)]) |
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| 331 | #define POSD(S) ((S)->name->pos->p) |
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| 332 | |
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| 333 | #define data_here(L) ((L)->l.reverse & FLAG_DATAHERE) |
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[cb3d1e2] | 334 | #define reverse_leg_dirn(L) ((L)->l.reverse & MASK_REVERSEDIRN) |
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| 335 | #define reverse_leg(L) ((L)->l.to->leg[reverse_leg_dirn(L)]) |
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[bb90203] | 336 | |
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| 337 | #if EXPLICIT_FIXED_FLAG |
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| 338 | # define pfx_fixed(N) ((N)->pos->fFixed) |
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[3e25a0d] | 339 | # define pos_fixed(P) ((P)->fFixed) |
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[bb90203] | 340 | # define fix(S) (S)->name->pos->fFixed = (char)fTrue |
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[084905c] | 341 | # define fixpos(P) (P)->fFixed = (char)fTrue |
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[bb90203] | 342 | # define unfix(S) (S)->name->pos->fFixed = (char)fFalse |
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| 343 | #else |
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| 344 | # define pfx_fixed(N) ((N)->pos->p[0] != UNFIXED_VAL) |
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[3e25a0d] | 345 | # define pos_fixed(P) ((P)->p[0] != UNFIXED_VAL) |
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[bb90203] | 346 | # define fix(S) NOP |
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[084905c] | 347 | # define fixpos(P) NOP |
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[bb90203] | 348 | # define unfix(S) POS((S), 0) = UNFIXED_VAL |
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| 349 | #endif |
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| 350 | #define fixed(S) pfx_fixed((S)->name) |
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| 351 | |
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[0af7076] | 352 | /* macros for special chars */ |
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[bb90203] | 353 | |
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| 354 | #define isEol(c) (pcs->Translate[(c)] & SPECIAL_EOL) |
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| 355 | #define isBlank(c) (pcs->Translate[(c)] & SPECIAL_BLANK) |
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| 356 | #define isKeywd(c) (pcs->Translate[(c)] & SPECIAL_KEYWORD) |
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| 357 | #define isComm(c) (pcs->Translate[(c)] & SPECIAL_COMMENT) |
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| 358 | #define isOmit(c) (pcs->Translate[(c)] & SPECIAL_OMIT) |
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[a882316] | 359 | #ifndef NO_DEPRECATED |
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[bb90203] | 360 | #define isRoot(c) (pcs->Translate[(c)] & SPECIAL_ROOT) |
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[a882316] | 361 | #endif |
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[bb90203] | 362 | #define isSep(c) (pcs->Translate[(c)] & SPECIAL_SEPARATOR) |
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| 363 | #define isNames(c) (pcs->Translate[(c)] & SPECIAL_NAMES) |
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| 364 | #define isDecimal(c) (pcs->Translate[(c)] & SPECIAL_DECIMAL) |
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| 365 | #define isMinus(c) (pcs->Translate[(c)] & SPECIAL_MINUS) |
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| 366 | #define isPlus(c) (pcs->Translate[(c)] & SPECIAL_PLUS) |
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[5bcd880] | 367 | #define isOpen(c) (pcs->Translate[(c)] & SPECIAL_OPEN) |
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| 368 | #define isClose(c) (pcs->Translate[(c)] & SPECIAL_CLOSE) |
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[bb90203] | 369 | |
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| 370 | #define isSign(c) (pcs->Translate[(c)] & (SPECIAL_PLUS | SPECIAL_MINUS)) |
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| 371 | #define isData(c) (pcs->Translate[(c)] & (SPECIAL_OMIT | SPECIAL_ROOT|\ |
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| 372 | SPECIAL_SEPARATOR | SPECIAL_NAMES | SPECIAL_DECIMAL | SPECIAL_PLUS |\ |
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| 373 | SPECIAL_MINUS)) |
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| 374 | |
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[647407d] | 375 | typedef struct nosurveylink { |
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| 376 | node *fr, *to; |
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[b3bef47] | 377 | int flags; |
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[647407d] | 378 | struct nosurveylink *next; |
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| 379 | } nosurveylink; |
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| 380 | |
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| 381 | extern nosurveylink *nosurveyhead; |
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| 382 | |
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[ef3c9e2] | 383 | #ifdef CHASM3DX |
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[3d441da] | 384 | #include "new3dout.h" |
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| 385 | #endif |
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| 386 | |
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[3875c32] | 387 | #endif /* CAVERN_H */ |
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