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annotate urogue/dict.h @ 272:1db299e868b8

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UltraRogue: add the autosave feature. UltraRogue now automatically saves the game when SIGHUP or SIGTERM is received.
author John "Elwin" Edwards
date Sun, 03 Sep 2017 19:58:22 -0400
parents c495a4f288c6
children 13b482bd9e66
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1 /*
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2 dict.h
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3
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4 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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5 Copyright (C) 1995 Herb Chong
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6 All rights reserved.
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7
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8 See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 /*-----------------
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12 Change history:
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13 (AK:04/03/95) - Added hook for extensions to dictionary structure.
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14 (AK:04/04/95) - Added dictionary signature, table of contents and parameter
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15 structure defintions and fields in DICTIONARY structure
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16 -------------------*/
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17
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18 #ifndef dict_h_included
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19 #define dict_h_included
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20
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21 static char dict_sccsid[] = "%W% %G%";
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22
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23 #ifndef TRUE
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24 #define TRUE 1
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25 #define FALSE 0
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26 #endif
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27
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28 #define DICT_NONE 0x00000000 /* no flags set */
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29 #define DICT_VALIDATE 0xdeadbeef /* look for this in every dictionary structure */
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30 #define DICT_ENTRY_NONE -1 /* index of invalid entry */
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31
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32 typedef unsigned char BOOLEANC;
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33
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34 /*------------------
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35 string table entry
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36 ------------------*/
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37 typedef struct string_entry {
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38 long string_offset; /* offset in string array */
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39 long count; /* number of occurrences of string */
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40 long next; /* offset of next in hash chain */
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41 void *any_ptr; /* free pointer */
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42 unsigned long flags; /* user definable flag value for string */
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43 unsigned long hash_value; /* hash value of string using hash function */
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44 } STRING_ENTRY;
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45
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46 /*--------------------
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47 Dictionary signature (AK:04/04/95)
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48 --------------------*/
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49 typedef struct dict_sig_ { /* Dictionary signature */
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50 unsigned long check_value; /* 0xdeadbeef */
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51 int toc_size; /* # of entries in Table of Contents */
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52 long nparms; /* # of parameters */
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53 unsigned long checksum; /* Checksum for TOC */
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54 } DICT_SIG;
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55
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56 /*----------------------------------
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57 Dictionary table of contents entry (AK:04/04/95)
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58 ----------------------------------*/
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59 typedef struct TOC_entry_ { /* Dictionary table of contents entry */
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60 char id[5]; /* Field identifier: */
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61 long offset; /* Offset (bytes) of entry in file */
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62 long size; /* Size (bytes) of entry */
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63 void *ptr; /* Where entry is stored in memory */
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64 unsigned long checksum; /* Checksum of entry */
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65 int type; /* 0=ordinary ; 1=EVECTOR ; 2=NULL */
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66 } DICT_TOC_ENTRY;
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67
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68 /*--------------------------------
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69 Dictionary parameter table entry (AK:04/04/95)
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70 --------------------------------*/
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71 typedef struct dict_parm_entry_ { /* Dictionary parameter table entry */
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72 char id[13]; /* Parameter identifier */
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73 unsigned long value; /* Parameter value */
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74 } DICT_PARM_ENTRY;
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75
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76
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77 /*---------------------------
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78 Hash dictionary information
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79 ---------------------------*/
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80 typedef struct dictionary {
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81 unsigned long check_value; /* check validation value */
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82 unsigned long flags; /* flag values */
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83 long entry_count; /* number of used entries in each table */
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84
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85 char *string_array; /* storage for strings */
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86 long array_size; /* number of bytes allocated */
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87 long array_used; /* number of bytes occupied */
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88 int array_growth_count; /* number of times grown */
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89
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90 STRING_ENTRY *string_table; /* string table */
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91 long string_max; /* max number of entries in string table */
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