Mercurial > hg > early-roguelike
annotate rogue4/options.c @ 12:9535a08ddc39
Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
author | edwarj4 |
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date | Sat, 24 Oct 2009 16:52:52 +0000 |
parents | |
children | e7dc81b41168 |
rev | line source |
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12
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1 /* |
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2 * This file has all the code for the option command. I would rather |
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3 * this command were not necessary, but it is the only way to keep the |
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4 * wolves off of my back. |
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5 * |
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6 * @(#)options.c 4.12 (Berkeley) 3/2/82 |
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7 * |
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8 * Rogue: Exploring the Dungeons of Doom |
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9 * Copyright (C) 1980, 1981, 1982 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 #include <curses.h> |
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16 #include <ctype.h> |
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17 #include <string.h> |
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18 #include "rogue.h" |
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19 |
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20 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0) |
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21 |
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22 #define NUM_OPTS (sizeof optlist / sizeof (OPTION)) |
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23 |
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24 /* |
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25 * description of an option and what to do with it |
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26 */ |
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27 struct optstruct { |
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28 char *o_name; /* option name */ |
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29 char *o_prompt; /* prompt for interactive entry */ |
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30 int *o_opt; /* pointer to thing to set */ |
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31 int (*o_putfunc)(); /* function to print value */ |
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32 int (*o_getfunc)(); /* function to get value interactively */ |
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33 }; |
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34 |
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35 typedef struct optstruct OPTION; |
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36 |
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37 int put_bool(), get_bool(), put_str(), get_str(); |
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38 |
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39 OPTION optlist[] = { |
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40 {"terse", "Terse output: ", |
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41 (int *) &terse, put_bool, get_bool }, |
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42 {"flush", "Flush typeahead during battle: ", |
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43 (int *) &fight_flush, put_bool, get_bool }, |
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44 {"jump", "Show position only at end of run: ", |
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45 (int *) &jump, put_bool, get_bool }, |
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46 {"step", "Do inventories one line at a time: ", |
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47 (int *) &slow_invent, put_bool, get_bool }, |
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48 {"askme", "Ask me about unidentified things: ", |
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49 (int *) &askme, put_bool, get_bool }, |
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50 {"passgo", "Follow turnings in passageways: ", |
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51 (int *) &passgo, put_bool, get_bool }, |
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52 {"name", "Name: ", |
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53 (int *) whoami, put_str, get_str }, |
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54 {"fruit", "Fruit: ", |
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55 (int *) fruit, put_str, get_str }, |
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56 {"file", "Save file: ", |
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57 (int *) file_name, put_str, get_str } |
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58 }; |
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59 |
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60 /* |
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61 * option: |
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62 * Print and then set options from the terminal |
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63 */ |
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64 option() |
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65 { |
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66 register OPTION *op; |
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67 register int retval; |
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68 |
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69 wclear(hw); |
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70 /* |
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71 * Display current values of options |
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72 */ |
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73 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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74 { |
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75 waddstr(hw, op->o_prompt); |
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76 (*op->o_putfunc)(op->o_opt); |
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77 waddch(hw, '\n'); |
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78 } |
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79 /* |
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80 * Set values |
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81 */ |
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82 wmove(hw, 0, 0); |
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83 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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84 { |
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85 waddstr(hw, op->o_prompt); |
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86 if ((retval = (*op->o_getfunc)(op->o_opt, hw))) |
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87 if (retval == QUIT) |
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88 break; |
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89 else if (op > optlist) { /* MINUS */ |
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90 wmove(hw, (op - optlist) - 1, 0); |
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91 op -= 2; |
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92 } |
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93 else /* trying to back up beyond the top */ |
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94 { |
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95 putchar('\007'); |
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96 wmove(hw, 0, 0); |
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97 op--; |
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98 } |
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99 } |
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100 /* |
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101 * Switch back to original screen |
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102 */ |
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103 mvwaddstr(hw, LINES-1, 0, "--Press space to continue--"); |
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104 wrefresh(hw); |
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105 wait_for(' '); |
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106 clearok(curscr, TRUE); |
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107 touchwin(stdscr); |
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108 after = FALSE; |
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109 } |
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110 |
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111 /* |
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112 * put_bool |
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113 * Put out a boolean |
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114 */ |
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115 put_bool(b) |
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116 bool *b; |
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117 { |
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118 waddstr(hw, *b ? "True" : "False"); |
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119 } |
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120 |
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121 /* |
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122 * put_str: |
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123 * Put out a string |
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124 */ |
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125 put_str(str) |
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126 char *str; |
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127 { |
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128 waddstr(hw, str); |
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129 } |
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130 |
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131 /* |
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132 * get_bool: |
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133 * Allow changing a boolean option and print it out |
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134 */ |
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135 get_bool(bp, win) |
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136 bool *bp; |
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137 WINDOW *win; |
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138 { |
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139 register int oy, ox; |
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140 register bool op_bad; |
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141 |
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142 op_bad = TRUE; |
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143 getyx(win, oy, ox); |
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144 waddstr(win, *bp ? "True" : "False"); |
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145 while (op_bad) |
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146 { |
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147 wmove(win, oy, ox); |
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148 wrefresh(win); |
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149 switch (readcharw(win)) |
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150 { |
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151 case 't': |
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152 case 'T': |
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153 *bp = TRUE; |
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154 op_bad = FALSE; |
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155 break; |
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156 case 'f': |
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157 case 'F': |
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158 *bp = FALSE; |
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159 op_bad = FALSE; |
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160 break; |
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161 case '\n': |
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162 case '\r': |
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163 op_bad = FALSE; |
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164 break; |
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165 case '\033': |
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166 case '\007': |
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167 return QUIT; |
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168 case '-': |
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169 return MINUS; |
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170 default: |
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171 mvwaddstr(win, oy, ox + 10, "(T or F)"); |
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172 } |
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173 } |
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174 wmove(win, oy, ox); |
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175 waddstr(win, *bp ? "True" : "False"); |
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176 waddch(win, '\n'); |
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177 return NORM; |
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178 } |
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179 |
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180 /* |
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181 * get_str: |
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182 * Set a string option |
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183 */ |
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184 #define MAXINP 50 /* max string to read from terminal or environment */ |
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185 |
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186 get_str(opt, win) |
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187 register char *opt; |
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188 WINDOW *win; |
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189 { |
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190 register char *sp; |
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191 register int c, oy, ox; |
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192 char buf[MAXSTR]; |
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193 |
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194 getyx(win, oy, ox); |
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195 wrefresh(win); |
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196 /* |
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197 * loop reading in the string, and put it in a temporary buffer |
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198 */ |
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199 for (sp = buf; (c = readcharw(win)) != '\n' && c != '\r' && c != '\033'; |
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200 wclrtoeol(win), wrefresh(win)) |
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201 { |
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202 if (c == -1) |
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203 continue; |
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204 else if (c == md_erasechar()) /* process erase character */ |
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205 { |
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206 if (sp > buf) |
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|
207 { |
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208 register int i; |
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209 |
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210 sp--; |
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211 for (i = strlen(unctrol(*sp)); i; i--) |
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212 waddch(win, '\b'); |
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|
213 } |
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|
214 continue; |
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|
215 } |
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216 else if (c == md_killchar()) /* process kill character */ |
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217 { |
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218 sp = buf; |
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219 wmove(win, oy, ox); |
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|
220 continue; |
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|
221 } |
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|
222 else if (sp == buf) |
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|
223 { |
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|
224 if (c == '-' && win != stdscr) |
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|
225 break; |
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|
226 else if (c == '~') |
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|
227 { |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
228 strcpy(buf, home); |
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|
229 waddstr(win, home); |
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|
230 sp += strlen(home); |
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|
231 continue; |
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|
232 } |
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|
233 } |
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|
234 if (sp >= &buf[MAXINP] || !(isprint(c) || c == ' ')) |
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235 putchar(CTRL('G')); |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
236 else |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
237 { |
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|
238 *sp++ = c; |
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|
239 waddstr(win, unctrol(c)); |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
240 } |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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diff
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|
241 } |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
242 *sp = '\0'; |
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|
243 if (sp > buf) /* only change option if something has been typed */ |
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244 strucpy(opt, buf, strlen(buf)); |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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245 wmove(win, oy, ox); |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
246 waddstr(win, opt); |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
247 waddch(win, '\n'); |
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|
248 wrefresh(win); |
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|
249 if (win == stdscr) |
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|
250 mpos += sp - buf; |
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|
251 if (c == '-') |
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|
252 return MINUS; |
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|
253 else if (c == '\033' || c == '\007') |
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254 return QUIT; |
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|
255 else |
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|
256 return NORM; |
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|
257 } |
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|
258 |
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|
259 #ifdef WIZARD |
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260 /* |
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|
261 * get_num: |
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|
262 * Get a numeric option |
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|
263 */ |
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|
264 get_num(opt, win) |
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|
265 short *opt; |
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266 WINDOW *win; |
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|
267 { |
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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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|
268 register int i; |
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269 char buf[MAXSTR]; |
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270 |
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271 if ((i = get_str(buf, win)) == NORM) |
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272 *opt = atoi(buf); |
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273 return i; |
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274 } |
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275 #endif |
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276 |
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277 /* |
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278 * parse_opts: |
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279 * Parse options from string, usually taken from the environment. |
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280 * The string is a series of comma seperated values, with booleans |
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281 * being stated as "name" (true) or "noname" (false), and strings |
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282 * being "name=....", with the string being defined up to a comma |
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283 * or the end of the entire option string. |
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284 */ |
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285 parse_opts(str) |
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286 register char *str; |
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287 { |
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288 register char *sp; |
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289 register OPTION *op; |
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290 register int len; |
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291 |
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292 while (*str) |
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293 { |
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294 /* |
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295 * Get option name |
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296 */ |
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297 for (sp = str; isalpha(*sp); sp++) |
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298 continue; |
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299 len = sp - str; |
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300 /* |
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301 * Look it up and deal with it |
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302 */ |
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303 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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304 if (EQSTR(str, op->o_name, len)) |
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305 { |
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306 if (op->o_putfunc == put_bool) /* if option is a boolean */ |
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307 *(bool *)op->o_opt = TRUE; |
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308 else /* string option */ |
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309 { |
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310 register char *start; |
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311 /* |
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312 * Skip to start of string value |
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313 */ |
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314 for (str = sp + 1; *str == '='; str++) |
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315 continue; |
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316 if (*str == '~') |
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317 { |
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318 strcpy((char *) op->o_opt, home); |
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319 start = (char *) op->o_opt + strlen(home); |
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320 while (*++str == '/') |
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321 continue; |
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322 } |
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323 else |
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324 start = (char *) op->o_opt; |
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325 /* |
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326 * Skip to end of string value |
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327 */ |
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328 for (sp = str + 1; *sp && *sp != ','; sp++) |
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329 continue; |
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330 strucpy(start, str, sp - str); |
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331 } |
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332 break; |
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333 } |
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334 /* |
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335 * check for "noname" for booleans |
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336 */ |
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337 else if (op->o_putfunc == put_bool |
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338 && EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2)) |
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339 { |
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340 *(bool *)op->o_opt = FALSE; |
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341 break; |
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342 } |
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343 |
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344 /* |
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345 * skip to start of next option name |
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346 */ |
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347 while (*sp && !isalpha(*sp)) |
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348 sp++; |
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349 str = sp; |
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350 } |
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351 } |
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352 |
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353 /* |
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354 * strucpy: |
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355 * Copy string using unctrol for things |
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356 */ |
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357 strucpy(s1, s2, len) |
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358 register char *s1, *s2; |
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359 register int len; |
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360 { |
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361 if (len > MAXINP) |
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362 len = MAXINP; |
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363 while (len--) |
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364 { |
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365 if (isprint(*s2) || *s2 == ' ') |
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366 *s1++ = *s2; |
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367 s2++; |
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368 } |
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369 *s1 = '\0'; |
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370 } |