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annotate rogue4/io.c @ 12:9535a08ddc39

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Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
author edwarj4
date Sat, 24 Oct 2009 16:52:52 +0000
parents
children 1b73a8641b37
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12
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Various input/output functions
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3 *
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4 * @(#)io.c 4.13 (Berkeley) 2/25/82
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 #include <curses.h>
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14 #include <ctype.h>
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15 #include <string.h>
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16 #include "rogue.h"
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17 #include <stdarg.h>
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18
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19 /*
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20 * msg:
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21 * Display a message at the top of the screen.
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22 */
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23 static char msgbuf[BUFSIZ];
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24 static int newpos = 0;
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25
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26 msg(char *fmt, ...)
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27 {
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28 va_list ap;
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29 /*
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30 * if the string is "", just clear the line
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31 */
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32 if (*fmt == '\0')
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33 {
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34 move(0, 0);
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35 clrtoeol();
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36 mpos = 0;
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37 return;
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38 }
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39 /*
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40 * otherwise add to the message and flush it out
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41 */
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42 va_start(ap,fmt);
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43 doadd(fmt, ap);
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44 va_end(ap);
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45 endmsg();
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46 }
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47
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48 /*
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49 * addmsg:
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50 * Add things to the current message
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51 */
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52
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53 addmsg(char *fmt, ...)
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54 {
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55 va_list ap;
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56
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57 va_start(ap, fmt);
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58 doadd(fmt, ap);
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59 va_end(ap);
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60 }
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61
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62 /*
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63 * endmsg:
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64 * Display a new msg (giving him a chance to see the previous one
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65 * if it is up there with the --More--)
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66 */
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67
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68 endmsg()
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69 {
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70 if (save_msg)
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71 {
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72 strncpy(huh, msgbuf, 80);
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73 huh[79] = 0;
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74 }
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75
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76 if (mpos)
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77 {
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78 look(FALSE);
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79 move(0, mpos);
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80 addstr("--More--");
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81 refresh();
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82 wait_for(' ');
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83 }
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84 /*
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85 * All messages should start with uppercase, except ones that
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86 * start with a pack addressing character
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87 */
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88 if (islower(msgbuf[0]) && msgbuf[1] != ')')
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89 msgbuf[0] = toupper(msgbuf[0]);
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90 mvaddstr(0, 0, msgbuf);
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91 clrtoeol();
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92 mpos = newpos;
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93 newpos = 0;
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94 refresh();
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95 }
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96
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97 /*
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98 * doadd:
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99 * Perform an add onto the message buffer
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100 */
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101
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102 doadd(char *fmt, va_list ap)
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103 {
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104 vsprintf(&msgbuf[newpos], fmt, ap);
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105 newpos = strlen(msgbuf);
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106 }
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107
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108 /*
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109 * step_ok:
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110 * Returns true if it is ok to step on ch
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111 */
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112 step_ok(ch)
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113 {
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114 switch (ch)
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115 {
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116 case ' ':
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117 case '|':
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118 case '-':
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119 return FALSE;
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120 default:
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121 return (!isalpha(ch));
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122 }
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123 }
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124
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125 /*
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126 * readchar:
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127 * Flushes stdout so that screen is up to date and then returns
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128 * getchar().
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129 */
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130 readcharw(win)
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131 WINDOW *win;
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132 {
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133 int ch;
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134
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135 ch = md_readchar(win);
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136
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137 if ((ch == 3) || (ch == 0))
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138 {
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139 quit(0);
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140 return(27);
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141 }
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142
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143 return(ch);
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144 }
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145
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146 readchar()
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147 {
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148 return( readcharw(stdscr) );
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149 }
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150
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151 char *
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152 unctrol(ch)
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153 char ch;
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154 {
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155 return( (char *) unctrl(ch) );
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156 }
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157
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158 /*
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159 * status:
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160 * Display the important stats line. Keep the cursor where it was.
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161 */
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162 status()
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163 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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164 register int oy, ox, temp;
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165 static int hpwidth = 0, s_hungry;
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166 static int s_lvl, s_pur = -1, s_hp, s_ac = 0;
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167 static str_t s_str;
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168 static long s_exp = 0;
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169 static char *state_name[] =
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170 {
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171 "", "Hungry", "Weak", "Faint"
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172 };
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173
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174 /*
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175 * If nothing has changed since the last status, don't
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176 * bother.
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177 */
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178 if (s_hp == pstats.s_hpt && s_exp == pstats.s_exp && s_pur == purse
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179 && s_ac == (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm)
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180 && s_str == pstats.s_str && s_lvl == level && s_hungry == hungry_state)
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181 return;
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182
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183 getyx(stdscr, oy, ox);
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184 if (s_hp != max_hp)
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185 {
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186 temp = s_hp = max_hp;
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187 for (hpwidth = 0; temp; hpwidth++)
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188 temp /= 10;
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189 }
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190 move(LINES - 1, 0);
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191 printw("Level: %d Gold: %-5d Hp: %*d(%*d) Str: %2d(%d) Ac: %-2d Exp: %d/%ld %s",
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192 level, purse, hpwidth, pstats.s_hpt, hpwidth, max_hp, pstats.s_str,
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193 max_stats.s_str,
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194 cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm, pstats.s_lvl,
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195 pstats.s_exp, state_name[hungry_state]);
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196
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197 clrtoeol();
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198 /*
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199 * Save old status
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200 */
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201 s_lvl = level;
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202 s_pur = purse;
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203 s_hp = pstats.s_hpt;
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204 s_str = pstats.s_str;
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205 s_exp = pstats.s_exp;
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206 s_ac = (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm);
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207 s_hungry = hungry_state;
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208 move(oy, ox);
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209 }
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210
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211 /*
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212 * wait_for
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213 * Sit around until the guy types the right key
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214 */
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215
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216
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217
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218 wait_for(ch)
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219 register char ch;
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220 {
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221 w_wait_for(stdscr, ch);
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222 }
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223
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224 w_wait_for(win,ch)
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225 WINDOW *win;
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226 register char ch;
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227 {
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228 register char c;
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229
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230 if (ch == '\n')
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231 while ((c = readcharw(win)) != '\n' && c != '\r')
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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232 continue;
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233 else
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234 while (readcharw(win) != ch)
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235 continue;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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236 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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237
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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238 /*
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239 * show_win:
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240 * Function used to display a window and wait before returning
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241 */
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242 show_win(scr, message)
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243 register WINDOW *scr;
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244 char *message;
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245 {
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246 mvwaddstr(scr, 0, 0, message);
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247 touchwin(scr);
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248 wmove(scr, hero.y, hero.x);
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249 wrefresh(scr);
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250 w_wait_for(scr,' ');
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251 clearok(curscr, TRUE);
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252 touchwin(stdscr);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490)
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253 }