Mercurial > hg > early-roguelike
annotate rogue4/main.c @ 285:17005af49963
Fix some potential problems detected by clang.
Most of these are unnecessary comparisons and functions returning the
wrong types.
author | John "Elwin" Edwards |
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date | Sat, 23 Sep 2017 09:47:00 -0400 |
parents | 3d4252fa2ed3 |
children |
rev | line source |
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1 /* |
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2 * # # |
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3 * # # # # # ## # # # |
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4 * # |
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5 * |
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6 * @(#)main.c 4.26 (Berkeley) 2/4/82 |
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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 |
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16 #include <stdlib.h> |
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17 #include <curses.h> |
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18 #include <signal.h> |
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19 #include <limits.h> |
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20 #include <string.h> |
215 | 21 #include <time.h> |
12
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22 #include "rogue.h" |
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23 |
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24 /* |
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25 * main: |
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26 * The main program, of course |
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27 */ |
215 | 28 int |
29 main(int argc, char *argv[], char *envp[]) | |
12
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30 { |
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31 register char *env; |
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32 |
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33 md_init(); |
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34 |
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35 #ifndef DUMP |
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36 #ifdef SIGQUIT |
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37 signal(SIGQUIT, exit); |
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38 #endif |
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39 signal(SIGILL, exit); |
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40 #ifdef SIGTRAP |
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41 signal(SIGTRAP, exit); |
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42 #endif |
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43 #ifdef SIGIOT |
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44 signal(SIGIOT, exit); |
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45 #endif |
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46 #ifdef SIGEMT |
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47 signal(SIGEMT, exit); |
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48 #endif |
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49 signal(SIGFPE, exit); |
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50 #ifdef SIGBUS |
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51 signal(SIGBUS, exit); |
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52 #endif |
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53 signal(SIGSEGV, exit); |
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54 #ifdef SIGSYS |
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55 signal(SIGSYS, exit); |
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56 #endif |
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57 #endif |
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58 |
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59 #ifdef WIZARD |
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60 /* |
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61 * Check to see if he is a wizard |
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62 */ |
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63 if (argc >= 2 && argv[1][0] == '\0') |
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64 if (strcmp(PASSWD, xcrypt(md_getpass("Wizard's password: "), "mT")) == 0) |
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65 { |
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66 wizard = TRUE; |
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67 player.t_flags |= SEEMONST; |
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68 argv++; |
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69 argc--; |
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70 } |
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71 #endif |
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72 |
13 | 73 #ifdef SAVEDIR |
74 if (argc >= 3 && !strcmp(argv[1], "-n")) | |
75 { | |
76 strncpy(whoami, argv[2], MAXSTR - 1); | |
77 whoami[MAXSTR - 1] = '\0'; /* insurance */ | |
78 use_savedir = TRUE; | |
30 | 79 /* look for savefile at SAVEDIR/UID-playername.r4sav */ |
112
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80 if (snprintf(file_name, 256, "%s/%d-%s.r4sav", SAVEDIR, |
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81 md_getuid(), whoami) >= 256) |
13 | 82 { |
83 /* Name is too long- this shouldn't happen */ | |
84 strcpy(file_name, "rogue4.save"); | |
85 use_savedir = FALSE; | |
86 } | |
87 } | |
88 #endif | |
89 | |
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90 /* |
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91 * get home and options from environment |
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92 */ |
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93 strncpy(home, md_gethomedir(), PATH_MAX); |
13 | 94 if (!use_savedir) |
95 { | |
96 strcpy(file_name, home); | |
97 strcat(file_name, "/rogue4.save"); | |
98 } | |
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99 |
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100 if ((env = getenv("ROGUEOPTS")) != NULL) |
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101 parse_opts(env); |
13 | 102 if (!use_savedir && (env == NULL || whoami[0] == '\0')) |
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103 strucpy(whoami, md_getusername(md_getuid()), strlen(md_getusername(md_getuid()))); |
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104 if (env == NULL || fruit[0] == '\0') |
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105 strcpy(fruit, "slime-mold"); |
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106 |
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107 /* |
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108 * check for print-score option |
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109 */ |
26 | 110 open_log(); /* do first, open_score might drop needed permissions */ |
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111 open_score(); |
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112 if (argc == 2 && strcmp(argv[1], "-s") == 0) |
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113 { |
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114 noscore = TRUE; |
215 | 115 score(0, -1, 0); |
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116 exit(0); |
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117 } |
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118 init_check(); /* check for legal startup */ |
13 | 119 |
120 if (use_savedir) | |
121 { | |
122 /* Try to restore from file_name which we just set up. */ | |
123 if (!restore(file_name, envp)) | |
124 exit(1); | |
125 /* If restore() returns true, the system savefile doesn't exist. | |
126 So we'll start a new game. */ | |
127 } | |
128 else if (argc == 2) | |
129 { | |
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130 if (!restore(argv[1], envp)) /* Note: restore will never return */ |
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131 { |
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132 endwin(); |
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133 exit(1); |
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134 } |
13 | 135 } |
136 | |
137 if (!use_savedir) | |
138 md_normaluser(); | |
139 | |
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140 #ifdef WIZARD |
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141 noscore = wizard; |
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142 #endif |
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143 if (getenv("SEED") != NULL) |
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144 { |
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145 dnum = atoi(getenv("SEED")); |
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146 noscore = TRUE; |
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147 } |
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148 else |
252
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149 dnum = md_random_seed(); |
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150 #ifdef WIZARD |
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151 if (wizard) |
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152 printf("Hello %s, welcome to dungeon #%d", whoami, dnum); |
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153 else |
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154 #endif |
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155 printf("Hello %s, just a moment while I dig the dungeon...\n\n",whoami); |
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156 fflush(stdout); |
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157 seed = dnum; |
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158 |
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159 init_player(); /* Set up initial player stats */ |
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160 init_things(); /* Set up probabilities of things */ |
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161 init_names(); /* Set up names of scrolls */ |
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162 init_colors(); /* Set up colors of potions */ |
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163 init_stones(); /* Set up stone settings of rings */ |
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164 init_materials(); /* Set up materials of wands */ |
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165 |
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166 initscr(); /* Start up cursor package */ |
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167 |
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168 if (COLS < 70) |
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169 { |
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170 printf("\n\nSorry, but your terminal window has too few columns.\n"); |
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171 printf("Your terminal has %d columns, needs 70.\n",COLS); |
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172 endwin(); |
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173 exit(1); |
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174 } |
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175 |
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176 if (LINES < 22) |
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177 { |
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178 printf("\n\nSorry, but your terminal window has too few lines.\n"); |
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179 printf("Your terminal has %d lines, needs 22.\n",LINES); |
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180 endwin(); |
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181 exit(1); |
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182 } |
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183 |
285
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252
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184 if ((*whoami == '\0') || (strcmp(whoami,"dosuser")==0)) |
12
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185 { |
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186 echo(); |
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187 mvaddstr(23,2,"Rogue's Name? "); |
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188 wgetnstr(stdscr,whoami,MAXSTR); |
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189 noecho(); |
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190 } |
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191 |
285
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192 if (*whoami == '\0') |
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193 strcpy(whoami,"Rodney"); |
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194 |
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195 setup(); |
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196 |
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197 /* |
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198 * Set up windows |
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199 */ |
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200 hw = newwin(LINES, COLS, 0, 0); |
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201 keypad(stdscr,1); |
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202 new_level(); /* Draw current level */ |
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203 /* |
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204 * Start up daemons and fuses |
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205 */ |
107 | 206 start_daemon(doctor, 0, AFTER); |
12
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207 fuse(swander, 0, WANDERTIME, AFTER); |
107 | 208 start_daemon(stomach, 0, AFTER); |
209 start_daemon(runners, 0, AFTER); | |
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210 playit(); |
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211 } |
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212 |
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213 /* |
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214 * endit: |
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215 * Exit the program abnormally. |
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216 */ |
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217 void |
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218 endit(int a) |
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219 { |
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220 fatal("Ok, if you want to exit that badly, I'll have to allow it\n"); |
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221 } |
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222 |
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223 /* |
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224 * fatal: |
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225 * Exit the program, printing a message. |
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226 */ |
215 | 227 void |
228 fatal(char *s) | |
12
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229 { |
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230 clear(); |
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231 move(LINES-2, 0); |
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232 printw("%s", s); |
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233 refresh(); |
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234 endwin(); |
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235 (void) exit(0); |
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236 } |
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237 |
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238 /* |
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239 * rnd: |
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240 * Pick a very random number. |
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241 */ |
215 | 242 int |
243 rnd(int range) | |
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244 { |
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245 return range == 0 ? 0 : abs((int) RN) % range; |
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246 } |
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247 |
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248 /* |
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249 * roll: |
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250 * Roll a number of dice |
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251 */ |
215 | 252 int |
253 roll(int number, int sides) | |
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254 { |
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255 register int dtotal = 0; |
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256 |
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257 while (number--) |
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258 dtotal += rnd(sides)+1; |
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259 return dtotal; |
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260 } |
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261 |
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262 /* |
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263 * tstp: |
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264 * Handle stop and start signals |
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265 */ |
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266 void |
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267 tstp(int a) |
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268 { |
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269 register int y, x; |
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270 register int oy, ox; |
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271 |
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272 getyx(curscr, oy, ox); |
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273 mvcur(0, COLS - 1, LINES - 1, 0); |
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274 endwin(); |
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275 clearok(curscr, TRUE); |
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276 fflush(stdout); |
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277 #ifdef SIGTSTP |
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278 signal(SIGTSTP, SIG_DFL); |
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279 kill(0, SIGTSTP); |
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280 signal(SIGTSTP, tstp); |
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281 #endif |
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282 crmode(); |
32
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283 nonl(); |
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284 noecho(); |
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285 clearok(curscr, TRUE); |
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286 wrefresh(curscr); |
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287 getyx(curscr, y, x); |
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288 mvcur(y, x, oy, ox); |
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289 fflush(stdout); |
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290 curscr->_cury = oy; |
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291 curscr->_curx = ox; |
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292 } |
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293 |
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294 /* |
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295 * playit: |
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296 * The main loop of the program. Loop until the game is over, |
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297 * refreshing things and looking at the proper times. |
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298 */ |
215 | 299 void |
300 playit(void) | |
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301 { |
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302 register char *opts; |
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303 |
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304 /* |
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305 * set up defaults for slow terminals |
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306 */ |
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307 |
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308 if (baudrate() < 1200) |
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309 { |
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310 terse = TRUE; |
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311 jump = TRUE; |
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312 } |
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313 |
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314 /* |
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315 * parse environment declaration of options |
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316 */ |
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317 if ((opts = getenv("ROGUEOPTS")) != NULL) |
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318 parse_opts(opts); |
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319 |
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320 |
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321 oldpos = hero; |
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322 oldrp = roomin(&hero); |
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323 while (playing) |
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324 command(); /* Command execution */ |
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325 endit(0); |
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326 } |
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327 |
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328 /* |
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329 * quit: |
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330 * Have player make certain, then exit. |
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331 */ |
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332 void |
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333 quit(int a) |
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334 { |
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335 register int oy, ox; |
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336 |
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337 /* |
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338 * Reset the signal in case we got here via an interrupt |
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339 */ |
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340 |
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341 if (signal(SIGINT, quit) != quit) |
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342 mpos = 0; |
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343 getyx(curscr, oy, ox); |
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344 msg("really quit?"); |
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345 if (readchar() == 'y') |
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346 { |
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347 signal(SIGINT, leave); |
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348 clear(); |
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349 mvprintw(LINES - 2, 0, "You quit with %d gold pieces", purse); |
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350 move(LINES - 1, 0); |
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351 refresh(); |
26 | 352 writelog(purse, 1, 0); |
215 | 353 score(purse, 1, 0); |
43 | 354 printf("[Press return to exit]\n"); |
355 fflush(NULL); | |
356 getchar(); | |
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357 exit(0); |
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358 } |
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359 else |
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360 { |
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361 move(0, 0); |
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362 clrtoeol(); |
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363 status(); |
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364 move(oy, ox); |
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365 refresh(); |
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366 mpos = 0; |
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367 count = 0; |
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368 } |
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369 } |
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370 |
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371 /* |
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372 * leave: |
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373 * Leave quickly, but curteously |
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374 */ |
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375 void |
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376 leave(int sig) |
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377 { |
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378 /* |
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379 if (!_endwin) |
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380 {*/ |
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381 mvcur(0, COLS - 1, LINES - 1, 0); |
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382 endwin(); |
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383 /* } */ |
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384 putchar('\n'); |
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385 exit(0); |
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386 } |
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387 |
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388 /* |
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389 * shell: |
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390 * Let him escape for a while |
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391 */ |
215 | 392 void |
393 shell(void) | |
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394 { |
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395 /* |
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396 * Set the terminal back to original mode |
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397 */ |
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398 move(LINES-1, 0); |
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399 refresh(); |
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400 endwin(); |
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401 putchar('\n'); |
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402 putchar('\n'); |
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403 in_shell = TRUE; |
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404 after = FALSE; |
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405 |
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406 md_shellescape(); |
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407 |
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408 noecho(); |
32
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409 nonl(); |
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410 crmode(); |
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411 in_shell = FALSE; |
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412 clearok(stdscr, TRUE); |
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413 touchwin(stdscr); |
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414 } |