annotate src/warning.c @ 18:1424868939a8

Indenting
author darius
date Wed, 24 Dec 1997 12:38:35 +0000
parents 0836fb919dfa
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1 /*--------------------------------------------------------------------------
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2 NETREK II -- Paradise
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3
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4 Permission to use, copy, modify, and distribute this software and its
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5 documentation, or any derivative works thereof, for any NON-COMMERCIAL
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6 purpose and without fee is hereby granted, provided that this copyright
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7 notice appear in all copies. No representations are made about the
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8 suitability of this software for any purpose. This software is provided
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9 "as is" without express or implied warranty.
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10
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11 Xtrek Copyright 1986 Chris Guthrie
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12 Netrek (Xtrek II) Copyright 1989 Kevin P. Smith
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13 Scott Silvey
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14 Paradise II (Netrek II) Copyright 1993 Larry Denys
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15 Kurt Olsen
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16 Brandon Gillespie
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17 --------------------------------------------------------------------------*/
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18
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19 #include "config.h"
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20
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21 #include <stdio.h>
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22 #include <string.h>
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23 #include <math.h>
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24 #include <signal.h>
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25 #include <sys/time.h>
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26 #include "defs.h"
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27 #include "struct.h"
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28 #include "data.h"
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29 #include "packets.h"
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30
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31 void updateWarnings();
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32
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33 #define WQLEN 8
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34 #define WARN_GAP 300000 /* microseconds */
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35
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36 /*
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37 * * The warning in text will be printed in the warning window. * The message
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38 * will last WARNTIME/10 seconds unless another message * comes through and
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39 * overwrites it.
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40 */
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41
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42 /*
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43 * a small buffer of warnings to be sent... we want to space them out, since
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44 * warning() is sometimes called in quick succesison
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45 */
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46
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47 static struct warning_spacket w_buf[WQLEN];
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48 static int numw = 0, whichw = 0;
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49
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50 static struct timeval space = {0, 0};
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51
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52 /*-------------------------------VISIBLE FUNCTIONS------------------------*/
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53
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54 /*--------------------------------WARNING---------------------------------*/
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55 /*
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56 * This function sends a warning message to the client, or queues the warning
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57 * to be sent a little later if we just sent one. The warning can be a
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58 * maximum of 79 characters plus the delimiter.
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59 */
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60
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61
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62 extern char *strncpy();
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63 extern int sendClientPacket();
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64
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65 void
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66 warning(text)
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67 char *text; /* the warning string */
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68 {
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69 struct warning_spacket warn; /* warning packet to send warning in */
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70 struct warning_spacket *wp;
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71 int t;
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72
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73 t = temporally_spaced(&space, WARN_GAP);
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74 if (!numw && t)
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75 {
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76 /* don't need to queue it */
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77 warn.type = SP_WARNING; /* set the type */
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78 strncpy(warn.mesg, text, 80); /* copy message into packet */
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79 warn.mesg[79] = '\0'; /* chop message to 79 chars + delimeter */
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80 sendClientPacket((struct player_spacket *) & warn); /* send the warning
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81 * packet */
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82 }
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83 else
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84 {
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85 /* first check to see if this warning has already been queued */
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86 if (!strcmp(text, w_buf[(whichw + numw - 1) % WQLEN].mesg))
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87 return;
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88
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89 wp = &w_buf[(whichw + numw) % WQLEN];
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90
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91 wp->type = SP_WARNING;
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92 strncpy(wp->mesg, text, 80);
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93 wp->mesg[79] = '\0';
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94
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95 if (++numw == WQLEN)
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96 numw = WQLEN - 1;
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97
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98 /* This is useful especially if updates/sec is set low */
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99 if (t)
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100 { /* then there's been enough time to send
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101 * another one */
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102 sendClientPacket((struct player_spacket *) & w_buf[whichw]);
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103 whichw = (whichw + 1) % WQLEN;
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104 numw--;
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105 }
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106 }
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107 }
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108
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109
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110 /*---------------------------- UPDATEWARNINGS ---------------------------*/
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111 /*
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112 * Called by updateClient. Check to see if there are warnings queued, and
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113 * send one when enough time has gone by
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114 */
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115
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116 void
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117 updateWarnings()
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118 {
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119 if (!numw)
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120 return; /* nothing queued */
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121
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122 if (!temporally_spaced(&space, WARN_GAP))
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123 return; /* not time yet */
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124
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125 /* we're assuming that the entry in w_buf has been properly filled in */
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126 sendClientPacket((struct player_spacket *) & w_buf[whichw]);
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127
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128 whichw = (whichw + 1) % WQLEN;
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129 numw--;
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130 }
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131
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132 /*------------------------------ IMM_WARNING ----------------------------*/
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133
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134 /*
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135 * This sends a warning, bypassing the time-interval check. Used for
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136 * messages that give continuous updates (like bomb and beam messages) that
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137 * are sent more frequently then the time interval allows.
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138 */
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139
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140 void
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141 imm_warning(text)
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142 char *text;
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143 {
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144 struct warning_spacket warn;
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145
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146 warn.type = SP_WARNING;
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147 strncpy(warn.mesg, text, 80);
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148 warn.mesg[79] = '\0';
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149 sendClientPacket((struct player_spacket *) & warn);
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150 }
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151
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152 /*------------------------------------------------------------------------*/
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153
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154
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155 /*-------END OF FILE-------*/