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annotate rogue3/io.c @ 239:837044d2c362

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Merge the GCC5 and build fix branches. This fixes all warnings produced by GCC 5, except the ones related to system functions. Those could be fixed by including the proper headers, but it would be better to replace the system-dependent code with functions from mdport.c.
author John "Elwin" Edwards
date Fri, 11 Mar 2016 19:47:52 -0500
parents 527e2150eaf0
children
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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 3.10 (Berkeley) 6/15/81
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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 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 <stdlib.h>
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14 #include "curses.h"
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15 #include <ctype.h>
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16 #include <stdarg.h>
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17 #include <string.h>
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18 #include "machdep.h"
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19 #include "rogue.h"
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20
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21 /*
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22 * msg:
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23 * Display a message at the top of the screen.
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24 */
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25
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26 static char msgbuf[BUFSIZ];
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27 static int newpos = 0;
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28
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29 /*VARARGS1*/
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30 void
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31 msg(char *fmt, ...)
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32 {
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33 va_list ap;
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34 /*
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35 * if the string is "", just clear the line
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36 */
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37 if (*fmt == '\0')
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38 {
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39 wmove(cw, 0, 0);
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40 wclrtoeol(cw);
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41 mpos = 0;
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42 return;
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43 }
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44 /*
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45 * otherwise add to the message and flush it out
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46 */
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47 va_start(ap, fmt);
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48 doadd(fmt, ap);
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49 va_end(ap);
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50 endmsg();
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51 }
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52
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53 /*
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54 * add things to the current message
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55 */
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56 void
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57 addmsg(char *fmt, ...)
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58 {
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59 va_list ap;
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60
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61 va_start(ap, fmt);
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62 doadd(fmt, ap);
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63 va_end(ap);
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64 }
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65
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66 /*
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67 * Display a new msg (giving him a chance to see the previous one if it
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68 * is up there with the --More--)
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69 */
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70 void
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71 endmsg()
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72 {
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73 strncpy(huh, msgbuf, 80);
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74 huh[79] = 0;
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75
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76 if (mpos)
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77 {
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78 wmove(cw, 0, mpos);
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79 waddstr(cw, "--More--");
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80 draw(cw);
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81 wait_for(cw,' ');
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82 }
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83 mvwaddstr(cw, 0, 0, msgbuf);
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84 wclrtoeol(cw);
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85 mpos = newpos;
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86 newpos = 0;
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87 draw(cw);
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88 }
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89
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90 void
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91 doadd(char *fmt, va_list ap)
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92 {
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93 vsprintf(&msgbuf[newpos], fmt, ap);
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94 newpos = (int) strlen(msgbuf);
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95 }
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96
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97 /*
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98 * step_ok:
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99 * returns true if it is ok to step on ch
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100 */
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101
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102 int
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103 step_ok(int ch)
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104 {
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105 switch (ch)
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106 {
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107 case ' ':
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108 case '|':
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109 case '-':
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110 case SECRETDOOR:
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111 return FALSE;
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112 default:
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113 return (!isalpha(ch));
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114 }
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115 }
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116
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117 /*
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118 * readchar:
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119 * flushes stdout so that screen is up to date and then returns
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120 * getchar.
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121 */
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122
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123 int
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124 readchar(WINDOW *win)
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125 {
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126 int ch;
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127
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128 ch = md_readchar(win);
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129
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130 if ((ch == 3) || (ch == 0))
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131 {
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132 quit(0);
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133 return(27);
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134 }
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135
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136 return(ch);
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137 }
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138
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139 /*
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140 * status:
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141 * Display the important stats line. Keep the cursor where it was.
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142 */
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143
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144 void
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145 status()
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146 {
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147 int oy, ox, temp;
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148 char *pb;
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149 static char buf[80];
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150 static int hpwidth = 0, s_hungry = -1;
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151 static int s_lvl = -1, s_pur, s_hp = -1, s_str, s_add, s_ac = 0;
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152 static long s_exp = 0;
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153
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154 /*
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155 * If nothing has changed since the last status, don't
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156 * bother.
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157 */
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158 if (s_hp == pstats.s_hpt && s_exp == pstats.s_exp && s_pur == purse
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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159 && s_ac == (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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160 && s_str == pstats.s_str.st_str && s_add == pstats.s_str.st_add
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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161 && s_lvl == level && s_hungry == hungry_state)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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162 return;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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163
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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164 getyx(cw, oy, ox);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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165 if (s_hp != max_hp)
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166 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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167 temp = s_hp = max_hp;
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edwarj4
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168 for (hpwidth = 0; temp; hpwidth++)
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169 temp /= 10;
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170 }
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171 sprintf(buf, "Level: %d Gold: %-5d Hp: %*d(%*d) Str: %-2d",
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172 level, purse, hpwidth, pstats.s_hpt, hpwidth, max_hp,
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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173 pstats.s_str.st_str);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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174 if (pstats.s_str.st_add != 0)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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175 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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176 pb = &buf[strlen(buf)];
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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177 sprintf(pb, "/%d", pstats.s_str.st_add);
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178 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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179 pb = &buf[strlen(buf)];
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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180 sprintf(pb, " Ac: %-2d Exp: %d/%d",
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181 cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm, pstats.s_lvl,
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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182 pstats.s_exp);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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183 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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184 * Save old status
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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185 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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186 s_lvl = level;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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187 s_pur = purse;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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188 s_hp = pstats.s_hpt;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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189 s_str = pstats.s_str.st_str;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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190 s_add = pstats.s_str.st_add;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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191 s_exp = pstats.s_exp;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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192 s_ac = (cur_armor != NULL ? cur_armor->o_ac : pstats.s_arm);
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edwarj4
parents:
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193 mvwaddstr(cw, LINES - 1, 0, buf);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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194 switch (hungry_state)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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195 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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196 case 0: ;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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197 when 1:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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198 waddstr(cw, " Hungry");
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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199 when 2:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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200 waddstr(cw, " Weak");
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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201 when 3:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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202 waddstr(cw, " Fainting");
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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203 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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204 wclrtoeol(cw);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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205 s_hungry = hungry_state;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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206 wmove(cw, oy, ox);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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207 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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208
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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209 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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210 * wait_for
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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211 * Sit around until the guy types the right key
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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212 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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213
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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214 void
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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215 wait_for(WINDOW *win, int ch)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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216 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
217 int c;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
218
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
219 if (ch == '\n')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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220 while ((c = readchar(win)) != '\n' && c != '\r')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
221 continue;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
222 else
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
223 while (readchar(win) != ch)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
224 continue;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
225 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
226
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
227 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
228 * show_win:
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
229 * function used to display a window and wait before returning
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
230 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
231
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
232 void
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
233 show_win(WINDOW *scr, char *message)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
234 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
235 mvwaddstr(scr, 0, 0, message);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
236 touchwin(scr);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
237 wmove(scr, hero.y, hero.x);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
238 draw(scr);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
239 wait_for(scr,' ');
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
240 clearok(cw, TRUE);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
241 touchwin(cw);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
242 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
243
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
244 void
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
245 flush_type()
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
246 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
247 flushinp();
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
248 }