Mercurial > hg > early-roguelike
annotate arogue7/options.c @ 229:50b89f165a34
Use uniform return types for functions related to options.
Functions for printing options now return void. Functions for setting
options now return int. Argument types still vary, though converting
all the option pointers to void* would be possible.
author | John "Elwin" Edwards |
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date | Sun, 06 Mar 2016 14:45:18 -0500 |
parents | f9ef86cf22b2 |
children | e940e6c00751 |
rev | line source |
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1 /* |
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2 * options.c - This file has all the code for the option command |
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3 * |
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4 * Advanced Rogue |
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T |
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6 * All rights reserved. |
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7 * |
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8 * Based on "Rogue: Exploring the Dungeons of Doom" |
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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10 * All rights reserved. |
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11 * |
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12 * See the file LICENSE.TXT for full copyright and licensing information. |
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13 */ |
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14 |
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15 /* |
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16 * This file has all the code for the option command. |
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17 * I would rather this command were not necessary, but |
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18 * it is the only way to keep the wolves off of my back. |
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19 * |
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20 */ |
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21 |
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22 #include "curses.h" |
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23 #include <ctype.h> |
126 | 24 #include <string.h> |
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25 #include "rogue.h" |
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26 |
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27 #define NUM_OPTS (sizeof optlist / sizeof (OPTION)) |
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28 |
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29 |
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30 /* |
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31 * description of an option and what to do with it |
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32 */ |
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33 struct optstruct { |
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34 char *o_name; /* option name */ |
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35 char *o_prompt; /* prompt for interactive entry */ |
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36 void *o_opt; /* pointer to thing to set */ |
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37 void (*o_putfunc)(); /* function to print value */ |
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38 int (*o_getfunc)(); /* function to get value interactively */ |
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39 }; |
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40 |
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41 typedef struct optstruct OPTION; |
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42 |
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43 void put_bool(bool *b, WINDOW *win); |
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44 int get_bool(bool *bp, WINDOW *win); |
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45 void put_str(char *str, WINDOW *win); |
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46 int get_str(char *opt, WINDOW *win); |
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47 void put_abil(int *ability, WINDOW *win); |
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48 int get_abil(int *abil, WINDOW *win); |
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49 void put_quest(int *quest, WINDOW *win); |
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50 int get_quest(int *quest, WINDOW *win); |
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51 int get_ro(WINDOW *win, int oy, int ox); |
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52 |
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53 int get_str_prot(char *opt, WINDOW *win); |
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54 int get_score(char *opt, WINDOW *win); |
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55 bool allowchange(OPTION *op); |
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56 |
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57 OPTION optlist[] = { |
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58 {"terse", "Terse output: ", |
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59 (void *) &terse, put_bool, get_bool }, |
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60 {"flush", "Flush typeahead during battle: ", |
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61 (void *) &fight_flush, put_bool, get_bool }, |
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62 {"jump", "Show position only at end of run: ", |
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63 (void *) &jump, put_bool, get_bool }, |
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64 {"step", "Do inventories one line at a time: ", |
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65 (void *) &slow_invent, put_bool, get_bool }, |
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66 {"askme", "Ask me about unidentified things: ", |
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67 (void *) &askme, put_bool, get_bool }, |
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68 {"pickup", "Pick things up automatically: ", |
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69 (void *) &auto_pickup, put_bool, get_bool }, |
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70 {"overlay", "Overlay menu: ", |
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71 (void *) &menu_overlay, put_bool, get_bool }, |
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72 {"name", "Name: ", |
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73 (void *) whoami, put_str, get_str_prot }, |
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74 {"file", "Save file: ", |
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75 (void *) file_name, put_str, get_str_prot }, |
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76 {"score", "Score file: ", |
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77 (void *) score_file, put_str, get_score }, |
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78 {"class", "Character class: ", |
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79 (void *)&char_type, put_abil, get_abil }, |
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80 {"quest", "Quest item: ", |
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81 (void *) &quest_item, put_quest, get_quest } |
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82 }; |
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83 |
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84 /* |
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85 * The ability field is read-only |
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86 */ |
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87 int |
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88 get_abil(int *abil, WINDOW *win) |
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89 { |
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90 register int oy, ox; |
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91 |
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92 getyx(win, oy, ox); |
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93 put_abil(abil, win); |
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94 return get_ro(win, oy, ox); |
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95 } |
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96 |
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97 /* |
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98 * The quest field is read-only |
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99 */ |
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100 int |
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101 get_quest(int *quest, WINDOW *win) |
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102 { |
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103 register int oy, ox; |
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104 |
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105 getyx(win, oy, ox); |
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106 waddstr(win, rel_magic[*quest].mi_name); |
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107 return get_ro(win, oy, ox); |
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108 } |
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109 |
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110 /* |
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111 * get_ro: |
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112 * "Get" a read-only value. |
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113 */ |
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114 |
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115 int |
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116 get_ro(WINDOW *win, int oy, int ox) |
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117 { |
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118 register int ny, nx; |
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119 register bool op_bad; |
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120 |
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121 op_bad = TRUE; |
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122 getyx(win, ny, nx); |
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123 while(op_bad) |
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124 { |
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125 wmove(win, oy, ox); |
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126 draw(win); |
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127 switch (wgetch(win)) |
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128 { |
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129 case '\n': |
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130 case '\r': |
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131 op_bad = FALSE; |
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132 break; |
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133 case '\033': |
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134 case '\007': |
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135 return QUIT; |
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136 case '-': |
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137 return MINUS; |
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138 default: |
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139 mvwaddstr(win, ny, nx + 5, "(no change allowed)"); |
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140 } |
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141 } |
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142 wmove(win, ny, nx + 5); |
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143 wclrtoeol(win); |
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144 wmove(win, ny, nx); |
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145 waddch(win, '\n'); |
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146 return NORM; |
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147 } |
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148 |
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149 /* |
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150 * allow changing a boolean option and print it out |
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151 */ |
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152 |
219
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153 int |
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154 get_bool(bool *bp, WINDOW *win) |
125
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155 { |
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156 register int oy, ox; |
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157 register bool op_bad; |
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158 |
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159 op_bad = TRUE; |
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160 getyx(win, oy, ox); |
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161 waddstr(win, *bp ? "True" : "False"); |
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162 while(op_bad) |
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163 { |
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164 wmove(win, oy, ox); |
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165 draw(win); |
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166 switch (wgetch(win)) |
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167 { |
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168 case 't': |
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169 case 'T': |
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170 *bp = TRUE; |
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171 op_bad = FALSE; |
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172 break; |
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173 case 'f': |
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174 case 'F': |
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175 *bp = FALSE; |
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176 op_bad = FALSE; |
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177 break; |
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178 case '\n': |
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179 case '\r': |
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180 op_bad = FALSE; |
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181 break; |
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182 case '\033': |
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183 case '\007': |
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184 return QUIT; |
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185 case '-': |
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186 return MINUS; |
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187 default: |
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188 mvwaddstr(win, oy, ox + 10, "(T or F)"); |
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189 } |
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190 } |
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191 wmove(win, oy, ox); |
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192 wclrtoeol(win); |
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193 waddstr(win, *bp ? "True" : "False"); |
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194 waddch(win, '\n'); |
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195 return NORM; |
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196 } |
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197 |
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198 |
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199 /* |
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200 * set a string option |
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201 */ |
219
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150
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202 int |
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203 get_str(char *opt, WINDOW *win) |
125
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204 { |
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205 register char *sp; |
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206 register int c, oy, ox; |
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207 char buf[LINELEN]; |
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208 |
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209 draw(win); |
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210 getyx(win, oy, ox); |
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211 /* |
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212 * loop reading in the string, and put it in a temporary buffer |
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213 */ |
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214 for (sp = buf; |
150
a307ff9cd95e
arogue7: fix the backspace key in prompts.
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145
diff
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215 (c = md_readchar(win)) != '\n' && |
125
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216 c != '\r' && |
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217 c != '\033' && |
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218 c != '\007' && |
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219 sp < &buf[LINELEN-1]; |
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220 wclrtoeol(win), draw(win)) |
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221 { |
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222 if (c == -1) |
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223 continue; |
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224 else if (c == md_erasechar()) /* process erase character */ |
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225 { |
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226 if (sp > buf) |
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227 { |
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228 register int i; |
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229 |
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230 sp--; |
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231 for (i = strlen(unctrl(*sp)); i; i--) |
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232 waddch(win, '\b'); |
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233 } |
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|
234 continue; |
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|
235 } |
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236 else if (c == md_killchar()) /* process kill character */ |
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237 { |
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238 sp = buf; |
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239 wmove(win, oy, ox); |
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240 continue; |
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241 } |
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242 else if (sp == buf) |
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243 if (c == '-' && win == hw) /* To move back a line in hw */ |
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244 break; |
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245 else if (c == '~') |
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246 { |
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247 strcpy(buf, home); |
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248 waddstr(win, home); |
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249 sp += strlen(home); |
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250 continue; |
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251 } |
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252 *sp++ = c; |
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253 waddstr(win, unctrl(c)); |
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254 } |
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255 *sp = '\0'; |
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256 if (sp > buf) /* only change option if something has been typed */ |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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257 strucpy(opt, buf, strlen(buf)); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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258 wmove(win, oy, ox); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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259 waddstr(win, opt); |
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260 waddch(win, '\n'); |
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261 draw(win); |
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262 if (win == msgw) |
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263 mpos += (int)(sp - buf); |
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264 if (c == '-') |
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265 return MINUS; |
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266 else if (c == '\033' || c == '\007') |
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267 return QUIT; |
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268 else |
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269 return NORM; |
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270 } |
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271 |
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272 |
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273 |
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274 /* |
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275 * print and then set options from the terminal |
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276 */ |
219
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277 void |
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278 option(void) |
125
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279 { |
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280 register OPTION *op; |
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281 register int retval; |
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282 |
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283 wclear(hw); |
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284 touchwin(hw); |
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285 /* |
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286 * Display current values of options |
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287 */ |
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288 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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289 { |
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290 waddstr(hw, op->o_prompt); |
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291 (*op->o_putfunc)(op->o_opt, hw); |
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292 waddch(hw, '\n'); |
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293 } |
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294 /* |
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295 * Set values |
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296 */ |
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297 wmove(hw, 0, 0); |
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298 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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299 { |
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300 waddstr(hw, op->o_prompt); |
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301 if ((retval = (*op->o_getfunc)(op->o_opt, hw))) |
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302 if (retval == QUIT) |
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303 break; |
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304 else if (op > optlist) { /* MINUS */ |
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305 wmove(hw, (int)(op - optlist) - 1, 0); |
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306 op -= 2; |
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307 } |
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308 else /* trying to back up beyond the top */ |
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309 { |
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310 putchar('\007'); |
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311 wmove(hw, 0, 0); |
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312 op--; |
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313 } |
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314 } |
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315 /* |
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316 * Switch back to original screen |
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317 */ |
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318 mvwaddstr(hw, lines-1, 0, spacemsg); |
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319 draw(hw); |
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320 wait_for(' '); |
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321 clearok(cw, TRUE); |
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322 touchwin(cw); |
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323 after = FALSE; |
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324 } |
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325 |
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326 /* |
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327 * parse options from string, usually taken from the environment. |
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328 * the string is a series of comma seperated values, with booleans |
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329 * being stated as "name" (true) or "noname" (false), and strings |
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330 * being "name=....", with the string being defined up to a comma |
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331 * or the end of the entire option string. |
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332 */ |
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333 |
219
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334 void |
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335 parse_opts(char *str) |
125
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336 { |
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337 register char *sp; |
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338 register OPTION *op; |
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339 register int len; |
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340 |
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341 while (*str) |
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342 { |
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343 /* |
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344 * Get option name |
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345 */ |
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346 for (sp = str; isalpha(*sp); sp++) |
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347 continue; |
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348 len = (int)(sp - str); |
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349 /* |
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350 * Look it up and deal with it |
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351 */ |
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352 for (op = optlist; op <= &optlist[NUM_OPTS-1]; op++) |
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353 if (EQSTR(str, op->o_name, len)) |
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354 { |
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355 if (op->o_putfunc == put_bool) /* if option is a boolean */ |
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356 *(bool *)op->o_opt = TRUE; |
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357 else /* string option */ |
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358 { |
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359 register char *start; |
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360 char value[LINELEN]; |
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361 |
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362 /* |
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363 * Skip to start of string value |
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|
364 */ |
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365 for (str = sp + 1; *str == '='; str++) |
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366 continue; |
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367 if (*str == '~') |
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368 { |
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369 strcpy((char *) value, home); |
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370 start = (char *) value + strlen(home); |
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371 while (*++str == '/') |
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372 continue; |
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|
373 } |
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374 else |
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375 start = (char *) value; |
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376 /* |
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377 * Skip to end of string value |
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378 */ |
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379 for (sp = str + 1; *sp && *sp != ','; sp++) |
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380 continue; |
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381 strucpy(start, str, sp - str); |
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382 |
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383 /* Put the value into the option field */ |
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384 if (op->o_putfunc != put_abil) |
129
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385 { |
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diff
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386 if (allowchange(op)) |
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387 strcpy((char *)op->o_opt, (char *)value); |
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388 } |
125
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389 |
229
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390 else if (*(int *)op->o_opt == -1) { |
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391 /* Only init ability once */ |
125
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392 register int len = strlen(value); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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393 register int i; |
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394 |
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395 if (isupper(value[0])) value[0] = tolower(value[0]); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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396 for (i=0; i<NUM_CHARTYPES-1; i++) { |
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397 if (EQSTR(value, char_class[i].name, len)) { |
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398 *(int *)op->o_opt = i; |
125
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399 break; |
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400 } |
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diff
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|
401 } |
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diff
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|
402 } |
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diff
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|
403 } |
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diff
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|
404 break; |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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405 } |
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406 /* |
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407 * check for "noname" for booleans |
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408 */ |
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409 else if (op->o_putfunc == put_bool |
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410 && EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2)) |
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411 { |
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412 *(bool *)op->o_opt = FALSE; |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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413 break; |
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414 } |
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415 |
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416 /* |
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417 * skip to start of next option name |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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418 */ |
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419 while (*sp && !isalpha(*sp)) |
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420 sp++; |
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421 str = sp; |
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422 } |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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423 } |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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424 |
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425 |
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426 /* |
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427 * print the character type |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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428 */ |
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429 void |
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430 put_abil(int *ability, WINDOW *win) |
125
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431 { |
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432 waddstr(win, char_class[*ability].name); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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433 } |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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434 |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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435 |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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|
436 /* |
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437 * print out the quest |
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438 */ |
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|
439 |
219
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440 void |
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441 put_quest(int *quest, WINDOW *win) |
125
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442 { |
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443 waddstr(win, rel_magic[*quest].mi_name); |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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444 } |
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|
445 |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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|
446 |
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447 /* |
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448 * put out a boolean |
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449 */ |
219
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450 void |
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451 put_bool(bool *b, WINDOW *win) |
125
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452 { |
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453 waddstr(win, *b ? "True" : "False"); |
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454 } |
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|
455 |
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|
456 |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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parents:
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|
457 |
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
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|
458 |
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|
459 /* |
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|
460 * put out a string |
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461 */ |
219
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462 void |
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463 put_str(char *str, WINDOW *win) |
125
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464 { |
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465 waddstr(win, str); |
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466 } |
129
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467 |
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468 /* Like get_str, but disallows changes when use_savedir is set. */ |
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469 int |
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470 get_str_prot(char *opt, WINDOW *win) |
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471 { |
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472 int oy, ox; |
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|
473 |
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474 if (use_savedir) { |
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475 getyx(win, oy, ox); |
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|
476 waddstr(win, opt); |
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477 return get_ro(win, oy, ox); |
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|
478 } |
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479 else { |
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480 return get_str(opt, win); |
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|
481 } |
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|
482 } |
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|
483 |
145
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484 /* When getting the scorefile, the new file must be opened. */ |
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|
485 int |
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486 get_score(char *optstr, WINDOW *win) |
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|
487 { |
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diff
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|
488 char old_score_file[LINELEN]; |
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diff
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|
489 int status; |
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|
490 |
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diff
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|
491 if (use_savedir) |
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diff
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|
492 return get_str_prot(optstr, win); |
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diff
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|
493 |
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diff
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|
494 strcpy(old_score_file, optstr); |
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diff
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|
495 status = get_str(optstr, win); |
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129
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496 if (status == NORM && strcmp(old_score_file, optstr)) |
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diff
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|
497 { |
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diff
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|
498 md_reopen_score(); |
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diff
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|
499 } |
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|
500 return status; |
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diff
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|
501 } |
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|
502 |
129
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|
503 bool |
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diff
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|
504 allowchange(OPTION *op) |
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126
diff
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|
505 { |
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diff
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|
506 if (!use_savedir) |
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diff
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|
507 return TRUE; |
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126
diff
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|
508 if (!strcmp(op->o_name, "name")) |
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126
diff
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|
509 return FALSE; |
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126
diff
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|
510 if (!strcmp(op->o_name, "file")) |
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126
diff
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|
511 return FALSE; |
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diff
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|
512 if (!strcmp(op->o_name, "score")) |
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126
diff
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|
513 return FALSE; |
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diff
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|
514 return TRUE; |
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diff
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|
515 } |