6
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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 #include <stdio.h>
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21 #include <signal.h>
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22
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23 #ifdef apollo
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24 #include <limits.h>
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25 #define MAXINT INT_MAX
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26 #else
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27 #include <values.h>
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28 #endif
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29
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30 #include <math.h>
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31 #include <time.h>
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32 #include "defs.h"
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33 #include "struct.h"
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34 #include "data.h"
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35 #include "planets.h"
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36 #include "shmem.h"
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37
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38 #define SYSWIDTH (GWIDTH/5)/* width of a system */
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39
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40 /* distance on either side of center */
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41 #define EYEWIDTH 100 /* 100 */
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42 /* which torp the eyes are positioned alongside */
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43 #define EYETORP 0 /* 0 */
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44 /* angle from EYETORP */
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45 #define EYEANGLE 64 /* 64 */
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46 #define TORPSEP WARP1*12
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47 #define PLANRAD 900
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48 #define PLANRATE 16
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49
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50 /* threshold to avoid galactic boundaries */
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51 #define MD 4500
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52 /* overlap threshold on team boundaries */
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53 #define TMD 2250
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54
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55 /* how often to check for bombers in cyles (1/10th second) */
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56 #define BOMBCHECK 20
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57
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58 /* how often to check for players in the game in cyles (1/10th second) */
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59 #define PLAYERCHECK 100
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60
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61 #define WARHOSTILE(p) ((((p)->p_swar | (p)->p_hostile)& \
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62 perfs[0]->p_team) || ((perfs[0]->p_swar | \
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63 perfs[0]->p_hostile) & (p)->p_team))
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64
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65 #define SNAKETORPDAMAGE 30
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66 #define SNAKEPLASMADAMAGE 100
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67
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68 static struct torp *thead, *eyet, *eyetp;
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69 static int lx, ly;
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70 static struct plasmatorp *fl, *fr;
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71 static int explode, explodetorps, tfuse;
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72
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73 extern struct player *perfs[2];
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74 extern int num_perfs;
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75 extern int debug;
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76 extern int lastm;
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77 extern int tno;
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78 extern int target;
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79 extern int berserk;
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80 extern int patrol;
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81 extern int noSmush;
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82 extern int plan_guard; /* KAO */
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83 extern int planet1, planet2; /* KAO */
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84 extern int team1, team2;
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85 extern int length;
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86
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87 static int plan_count = 0;
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88 static int s_clock;
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89 static _move();
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90 static int defenders[ALLTEAM];
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91
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92 struct player *whokilledme();
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93 struct planet *homeworld = 0;
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94 struct planet *homestar = 0;
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95
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96 unsigned char getacourse();
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97 extern void (*r_signal()) ();
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98
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99
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100 struct planet *
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101 star_of(pl)
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102 struct planet *pl;
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103 {
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104 int i;
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105 if (pl->pl_system < 1)
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106 return 0;
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107
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108 for (i = 0; i < NUMPLANETS; i++)
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109 {
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110 if (!(planets[i].pl_flags & PLSTAR))
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111 continue;
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112 if (planets[i].pl_system == pl->pl_system)
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113 return &planets[i];
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114 }
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115
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116 return 0;
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117 }
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118
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119
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120
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121 snakemove()
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122 {
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123 s_clock++;
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124
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125 _move();
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126 }
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127
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128 static
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129 _move()
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130 {
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131 if (!perfs[0] || !perfs[1])
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132 exitSnake();
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133
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134 /* keep ghostbuster away */
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135 perfs[0]->p_ghostbuster = 0;
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136 perfs[1]->p_ghostbuster = 0;
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137
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138 if (s_clock == 5)
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139 startsnake();
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140 else if (s_clock > 5)
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141 {
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142 check_explode();
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143 if (!explode)
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144 {
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145 movesnake();
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146 }
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147 else if ((perfs[0]->p_ntorp == 0 && perfs[1]->p_ntorp == 0 &&
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148 perfs[0]->p_nplasmatorp == 0 && perfs[1]->p_nplasmatorp == 0) ||
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149 /* xx -- sometimes above doesn't work? */
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150 s_clock - explode > 56)
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151 exitSnake();
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152 }
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153 return 1;
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154 }
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155
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156 startsnake()
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157 {
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158 register i, l;
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159 register struct player *j;
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160 register struct torp *k;
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161 struct player *p1 = perfs[0], *p2 = perfs[1];
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162 int first = 1;
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163 int px, py;
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164
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165 for (i = 0; i < NUMPLANETS; i++)
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166 {
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167 if (planets[i].pl_flags & PLHOME && planets[i].pl_owner == 1 << tno)
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168 {
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169 homeworld = &planets[i];
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170 break;
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171 }
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172 if (!homeworld && planets[i].pl_owner == 1 << tno)
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173 homeworld = &planets[i];
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174 }
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175
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176 if (!homeworld)
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177 {
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178 /* ouch */
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179 homeworld = &planets[lrand48() % NUMPLANETS];
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180 fprintf(stderr, "snake: My race (%d) has no planets. Picking one at random: %s\n", tno, homeworld->pl_name);
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181 }
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182 homestar = star_of(homeworld);
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183 if (!homestar)
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184 homestar = homeworld;
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185
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186 px = (lrand48() % 10000) - 5000;
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187 py = (lrand48() % 10000) - 5000;
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188
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189 p1->p_ntorp = p2->p_ntorp = 0;
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190 p1->p_nplasmatorp = p2->p_nplasmatorp = 0;
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191
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192 /* body */
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193
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194 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
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195 {
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196
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197 for (l = 0, i = j->p_no * MAXTORP, k = &torps[i];
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198 i < j->p_no * MAXTORP + length; i++, k++, l++)
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199 {
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200
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201 if (l == EYETORP && j == perfs[0])
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202 {
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203 /* eye location */
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204 eyet = k;
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205 }
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206 if (l == ((EYETORP == 0) ? 1 : (EYETORP - 1)) && j == perfs[0])
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207 {
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208 /* perpendicular torp offset */
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209 eyetp = k;
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210 }
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211 /* torps are free here */
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212 snake_torp(k, i, j);
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213 /* note: have to be same team for this to work */
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214 k->t_x = homeworld->pl_x + px;
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215 k->t_y = homeworld->pl_y + py - (l + (j == perfs[1] ? length : 0)) * TORPSEP;
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216 /*
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217 * if(debug) fprintf(stderr, "k->t_x %d, k->t_y %d\n", k->t_x, k->t_y);
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218 */
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219 if (first)
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220 {
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221 thead = k;
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222 first = 0;
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223 }
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224 }
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225 }
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226
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227 /* eyes */
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228 fl = &plasmatorps[perfs[0]->p_no * MAXPLASMA];
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229 fl->pt_no = perfs[0]->p_no * MAXPLASMA;
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230 fl->pt_status = PTMOVE;
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231 fl->pt_owner = perfs[0]->p_no;
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232 fl->pt_team = perfs[0]->p_team;
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233 fl->pt_x = eyet->t_x - EYEWIDTH;
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234 fl->pt_y = eyet->t_y;
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235 if (plan_guard == 0)
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236 fl->pt_damage = SNAKEPLASMADAMAGE;
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237 else
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238 fl->pt_damage = SNAKEPLASMADAMAGE * 10;
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239 fl->pt_speed = 0;
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240 fl->pt_war = 0;
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241 fl->pt_fuse = MAXINT;
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242 fl->pt_turns = 0;
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243
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244 perfs[0]->p_nplasmatorp++;
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245
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246 fr = &plasmatorps[perfs[1]->p_no * MAXPLASMA];
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247 fr->pt_no = perfs[1]->p_no * MAXPLASMA;
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248 fr->pt_status = PTMOVE;
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249 fr->pt_owner = perfs[1]->p_no;
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250 fr->pt_team = perfs[1]->p_team; /* doesn't work */
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251 fr->pt_x = eyet->t_x + EYEWIDTH;
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252 fr->pt_y = eyet->t_y;
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253 fr->pt_damage = SNAKEPLASMADAMAGE;
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254 fr->pt_speed = 0;
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255 fr->pt_war = 0;
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256 fr->pt_fuse = MAXINT;
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257 fr->pt_turns = 0;
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258
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259 perfs[1]->p_nplasmatorp++;
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260
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261 if (debug)
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262 fprintf(stderr, "started\n");
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263 }
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264
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265 restore_eye()
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266 {
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267 if (fl->pt_status != PTMOVE)
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268 {
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269 /* eyes */
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270 fl = &plasmatorps[perfs[0]->p_no * MAXPLASMA];
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271 fl->pt_no = perfs[0]->p_no * MAXPLASMA;
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272 fl->pt_status = PTMOVE;
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273 fl->pt_owner = perfs[0]->p_no;
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274 fl->pt_team = perfs[0]->p_team;
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275 fl->pt_x = eyet->t_x - EYEWIDTH;
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276 fl->pt_y = eyet->t_y;
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277 if (plan_guard == 0)
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278 fl->pt_damage = SNAKEPLASMADAMAGE;
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279 else
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280 fl->pt_damage = SNAKEPLASMADAMAGE * 10;
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281 fl->pt_speed = 0;
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282 fl->pt_war = 0;
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283 fl->pt_fuse = MAXINT;
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284 fl->pt_turns = 0;
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285 perfs[0]->p_nplasmatorp++;
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286 }
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287 if (fr->pt_status != PTMOVE)
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288 {
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289 fr = &plasmatorps[perfs[1]->p_no * MAXPLASMA];
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290 fr->pt_no = perfs[1]->p_no * MAXPLASMA;
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291 fr->pt_status = PTMOVE;
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292 fr->pt_owner = perfs[1]->p_no;
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293 fr->pt_team = perfs[1]->p_team; /* doesn't work */
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294 fr->pt_x = eyet->t_x + EYEWIDTH;
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295 fr->pt_y = eyet->t_y;
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296 fr->pt_damage = SNAKEPLASMADAMAGE;
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297 fr->pt_speed = 0;
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298 fr->pt_war = 0;
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299 fr->pt_fuse = MAXINT;
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300 fr->pt_turns = 0;
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301 perfs[1]->p_nplasmatorp++;
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302 }
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303 }
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304
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305 movesnake()
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306 {
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307 register i, px, py;
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308 register struct player *j;
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309 register struct torp *k /* , *prev = thead */ ;
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310 unsigned char tc;
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311 struct player *tr;
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312 static
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313 int dir = 8;
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314 int ok;
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315
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316 if ((s_clock % PLAYERCHECK) == 0)
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317 {
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318 /* every x seconds make sure there's people in the game */
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319 ok = 0;
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320 defenders[FED] = defenders[ROM] = defenders[KLI] = defenders[ORI] = 0;
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321 for (i = 0, j = players; i < MAXPLAYER; i++, j++)
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322 {
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323 if ((j->p_status != PFREE) && !(j->p_flags & PFROBOT))
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324 {
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325 ok = 1;
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326 defenders[j->p_team]++;
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327 }
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328 }
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329 if (!ok)
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330 exitSnake();
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331 }
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332 if (patrol && (target == -1) && (s_clock % BOMBCHECK) == 0)
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333 {
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334 target = bombcheck(team1, team2);
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335 }
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336 if ((s_clock % (4 + (lrand48() % 4))) == 0)
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337 dir = -dir;
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338
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339 thead->t_dir += dir + rrnd(8);
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340
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341 if (target > -1)
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342 {
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343 tr = &players[target];
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344 if (tr->p_status == PALIVE)
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345 {
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346 int nd, td;
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347 tc = getacourse(tr->p_x, tr->p_y, thead->t_x, thead->t_y);
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348 nd = angdist(thead->t_dir, tc);
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349 if (nd > 8)
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350 {
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351 td = tc + nd;
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352 if (td == thead->t_dir)
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353 thead->t_dir -= 8;
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354 else
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355 thead->t_dir += 8;
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356 }
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357 }
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358 }
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359 if (target == -1)
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360 {
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361 if (!patrol)
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362 check_tboundary(ALLTEAM, &thead->t_dir, 8, thead->t_x, thead->t_y);
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363 else
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364 check_tboundary(team1 | team2, &thead->t_dir, 8, thead->t_x, thead->t_y);
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365 }
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366 lx = thead->t_x;
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367 ly = thead->t_y;
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368
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369 if (!plan_guard)
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370 {
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371 /* NOTE: we aren't letting the daemon move the torp head */
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372 thead->t_x += (double) TORPSEP *Cos[thead->t_dir];
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373 thead->t_y += (double) TORPSEP *Sin[thead->t_dir];
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374 }
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375 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
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376 {
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377 if (plan_guard)
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378 {
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379 int temp;
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380 thead = &torps[j->p_no * MAXTORP];
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381 if (j == perfs[0])
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382 temp = planet1;
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383 else
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384 temp = planet2;
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385 lx = thead->t_x;
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386 ly = thead->t_y;
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387 thead->t_x = planets[temp].pl_x + Cos[255 - plan_count] * PLANRAD;
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388 thead->t_y = planets[temp].pl_y + Sin[255 - plan_count] * PLANRAD;
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389 }
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390 for (i = j->p_no * MAXTORP, k = &torps[i];
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391 i < j->p_no * MAXTORP + length; i++, k++)
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392 {
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393
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394 if (k->t_status == TFREE)
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395 /* got exploded. x & y location will remain however */
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396 snake_torp(k, i, j);
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397
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398 if (k == thead)
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399 continue;
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400
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401 px = k->t_x;
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402 py = k->t_y;
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403
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404 k->t_x = lx;
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405 k->t_y = ly;
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406
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407 lx = px;
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408 ly = py;
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409 }
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410 }
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411 if (plan_guard)
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412 {
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413 thead = &torps[perfs[0]->p_no * MAXTORP];
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414 plan_count = (plan_count + PLANRATE) % 256;
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415 }
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416 lx = thead->t_x;
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417 ly = thead->t_y;
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418 doeyes();
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419 }
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420
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421 check_explode()
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422 {
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423 register int i, l;
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424 register struct player *j;
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425 register struct torp *k;
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426 static struct player *killer;
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427
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428 if (fl->pt_status == PTDET || fr->pt_status == PTDET ||
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429 fl->pt_status == PTEXPLODE || fr->pt_status == PTEXPLODE || explode)
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430 {
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431 if (plan_guard)
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432 {
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433 restore_eye();
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434 return;
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435 } /* KAO */
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436 if (debug)
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437 fprintf(stderr, "snake exploding\n");
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438 if (!explode)
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439 {
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440 /* do once */
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441 explode = s_clock;
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442 tfuse = 0;
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443 if (fl->pt_status == PTDET || fl->pt_status == PTEXPLODE)
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444 {
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445 killer = whokilledme(fl);
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446 if (killer)
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447 award(killer);
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448 }
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449 if (fr->pt_status == PTDET || fr->pt_status == PTEXPLODE)
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450 {
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451 killer = whokilledme(fr);
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452 if (killer)
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453 award(killer);
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454 }
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455 }
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456 if (fl->pt_status != PTFREE && fl->pt_status != PTEXPLODE)
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457 {
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458 fl->pt_war = FED | ROM | KLI | ORI; /* make sure its at war when
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459 * it explodes */
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460 fl->pt_status = PTEXPLODE;
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461 fl->pt_fuse = 10;
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462 }
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463 if (fl->pt_status != PTFREE && fr->pt_status != PTEXPLODE)
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464 {
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465 fl->pt_war = FED | ROM | KLI | ORI;
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466 fr->pt_status = PTEXPLODE;
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467 fr->pt_fuse = 10;
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468 }
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469 /*
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470 * now for some fancy stuff. If killer is our target and is hostile or at
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471 * war with our team then snake torp head makes a beeline for him. This
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472 * lasts until killer dies or torps have been chasing killer for 40
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473 * cycles
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474 */
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475
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476 if (killer && WARHOSTILE(killer) && (noSmush < 1) && (killer->p_status == PALIVE) &&
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477 tfuse < 40 && (killer->p_no == target || noSmush < 0))
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478 {
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479 crash_killer(killer);
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480 }
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481 else
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482 {
|
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483 /* explode all torps in sequence, 1 per cycle until all gone */
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484 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
|
|
485 {
|
|
486 for (l = (j == perfs[0]) ? 0 : length, i = j->p_no * MAXTORP, k = &torps[i];
|
|
487 i < j->p_no * MAXTORP + length; i++, k++, l++)
|
|
488 {
|
|
489 if (l == explodetorps && k->t_status != TEXPLODE &&
|
|
490 k->t_status != TFREE)
|
|
491 {
|
|
492 k->t_status = TEXPLODE;
|
|
493 k->t_fuse = 10;
|
|
494 explodetorps++;
|
|
495 return;
|
|
496 }
|
|
497 else if (l == explodetorps)
|
|
498 explodetorps++;
|
|
499 }
|
|
500 }
|
|
501 }
|
|
502 }
|
|
503 }
|
|
504
|
|
505 crash_killer(p)
|
|
506 struct player *p;
|
|
507 {
|
|
508 register int i, px, py;
|
|
509 register struct player *j;
|
|
510 register struct torp *k;
|
|
511 unsigned char tc;
|
|
512 int active = 0;
|
|
513
|
|
514 tfuse++;
|
|
515
|
|
516 tc = getacourse(p->p_x, p->p_y, thead->t_x, thead->t_y);
|
|
517 thead->t_dir = tc;
|
|
518
|
|
519 lx = thead->t_x;
|
|
520 ly = thead->t_y;
|
|
521
|
|
522 thead->t_x += (double) (12 * WARP1) * Cos[thead->t_dir];
|
|
523 thead->t_y += (double) (12 * WARP1) * Sin[thead->t_dir];
|
|
524
|
|
525 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
|
|
526 {
|
|
527 for (i = j->p_no * MAXTORP, k = &torps[i];
|
|
528 i < j->p_no * MAXTORP + length; i++, k++)
|
|
529 {
|
|
530
|
|
531 /* move the head up if it exploded */
|
|
532 if (k != thead && thead->t_status == TFREE)
|
|
533 thead = k;
|
|
534 else if (k == thead)
|
|
535 continue;
|
|
536
|
|
537 if (k->t_status != TFREE)
|
|
538 active++;
|
|
539
|
|
540 px = k->t_x;
|
|
541 py = k->t_y;
|
|
542
|
|
543 k->t_x = lx;
|
|
544 k->t_y = ly;
|
|
545
|
|
546 lx = px;
|
|
547 ly = py;
|
|
548 }
|
|
549 }
|
|
550 return active;
|
|
551 }
|
|
552
|
|
553
|
|
554 doeyes()
|
|
555 {
|
|
556 unsigned char c = getacourse(eyetp->t_x, eyetp->t_y, eyet->t_x,
|
|
557 eyet->t_y);
|
|
558 int ew = EYEWIDTH, war_ok;
|
|
559
|
|
560 /* c + 64 -- fl c - 64 -- fr */
|
|
561
|
|
562 if (plan_guard)
|
|
563 {
|
|
564 fl->pt_x = planets[planet1].pl_x + Cos[255 - plan_count] * PLANRAD;
|
|
565 fl->pt_y = planets[planet1].pl_y + Sin[255 - plan_count] * PLANRAD;
|
|
566 fr->pt_x = planets[planet2].pl_x + Cos[255 - plan_count] * PLANRAD;
|
|
567 fr->pt_y = planets[planet2].pl_y + Sin[255 - plan_count] * PLANRAD;
|
|
568 return;
|
|
569 }
|
|
570 if (fl->pt_war)
|
|
571 ew += 15;
|
|
572
|
|
573 fl->pt_x = eyet->t_x + (double) (ew) * Cos[(unsigned char) (c - EYEANGLE)];
|
|
574 fl->pt_y = eyet->t_y + (double) (ew) * Sin[(unsigned char) (c - EYEANGLE)];
|
|
575
|
|
576 #ifdef nodef
|
|
577 if (fl->pt_x < 0)
|
|
578 fl->pt_x = 0;
|
|
579 else if (fl->pt_x > GWIDTH)
|
|
580 fl->pt_x = GWIDTH;
|
|
581
|
|
582 if (fl->pt_y < 0)
|
|
583 fl->pt_y = 0;
|
|
584 else if (fl->pt_y > GWIDTH)
|
|
585 fl->pt_y = GWIDTH;
|
|
586 #endif
|
|
587
|
|
588 if (fr->pt_war)
|
|
589 ew += 15;
|
|
590
|
|
591 fr->pt_x = eyet->t_x + (double) (ew) * Cos[(unsigned char) (c + EYEANGLE)];
|
|
592 fr->pt_y = eyet->t_y + (double) (ew) * Sin[(unsigned char) (c + EYEANGLE)];
|
|
593
|
|
594 #ifdef nodef
|
|
595 if (fr->pt_x < 0)
|
|
596 fr->pt_x = 0;
|
|
597 else if (fl->pt_x > GWIDTH)
|
|
598 fr->pt_x = GWIDTH;
|
|
599
|
|
600 if (fr->pt_y < 0)
|
|
601 fr->pt_y = 0;
|
|
602 else if (fl->pt_y > GWIDTH)
|
|
603 fr->pt_y = GWIDTH;
|
|
604 #endif
|
|
605
|
|
606 /* toggle war */
|
|
607 if ((s_clock % 6) == 0)
|
|
608 {
|
|
609 /*
|
|
610 * your home planet and shipyards are always safe from your own snake
|
|
611 * unless you are a target.
|
|
612 */
|
|
613 war_ok = !sp_area(thead->t_x, thead->t_y);
|
|
614
|
|
615 if (!fr->pt_war && war_ok)
|
|
616 fr->pt_war = (FED | ROM | KLI | ORI) & ~(war_ok ? 0 : (1 << tno));
|
|
617 else
|
|
618 fr->pt_war = 0;
|
|
619
|
|
620 if (!fl->pt_war && war_ok)
|
|
621 fl->pt_war = (FED | ROM | KLI | ORI) & ~(war_ok ? 0 : (1 << tno));
|
|
622 else
|
|
623 fl->pt_war = 0;
|
|
624 }
|
|
625 }
|
|
626
|
|
627 exitSnake(sig)
|
|
628 int sig;
|
|
629 {
|
|
630 register int i;
|
|
631 register struct player *j;
|
|
632 register struct torp *k;
|
|
633 register struct plasmatorp *f;
|
|
634
|
|
635 r_signal(SIGALRM, SIG_DFL);
|
|
636
|
|
637 if (debug)
|
|
638 fprintf(stderr, "snake exiting\n");
|
|
639
|
|
640 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
|
|
641 {
|
|
642 for (i = j->p_no * MAXTORP, k = &torps[i];
|
|
643 i < j->p_no * MAXTORP + length; i++, k++)
|
|
644 {
|
|
645 /* torps are free here */
|
|
646 if (k->t_status != TFREE)
|
|
647 k->t_status = TOFF;
|
|
648 }
|
|
649 f = &plasmatorps[j->p_no * MAXPLASMA];
|
|
650 f->pt_status = PTFREE;
|
|
651 /* plasma */
|
|
652 }
|
|
653
|
|
654 memset(perfs[0], 0, sizeof(struct player));
|
|
655 memset(perfs[1], 0, sizeof(struct player));
|
|
656 perfs[0]->p_stats.st_tticks = 1;
|
|
657 perfs[1]->p_stats.st_tticks = 1;
|
|
658
|
|
659 /*
|
|
660 * note: if we had a segmentation violation or bus error we want a core
|
|
661 * file to debug
|
|
662 */
|
|
663 if (sig == SIGBUS || sig == SIGSEGV)
|
|
664 abort();
|
|
665 else
|
|
666 exit(0);
|
|
667 }
|
|
668
|
|
669 pmessage(str, recip, group, address)
|
|
670 char *str;
|
|
671 int recip;
|
|
672 int group;
|
|
673 char *address;
|
|
674 {
|
|
675 pmessage2(str, recip, group, address, 255);
|
|
676 }
|
|
677
|
|
678 pmessage2(str, recip, group, address, from)
|
|
679 char *str;
|
|
680 int recip;
|
|
681 int group;
|
|
682 char *address;
|
|
683 unsigned char from;
|
|
684 {
|
|
685 struct message *cur;
|
|
686 int mesgnum;
|
|
687
|
|
688 if ((mesgnum = ++(mctl->mc_current)) >= MAXMESSAGE)
|
|
689 {
|
|
690 mctl->mc_current = 0;
|
|
691 mesgnum = 0;
|
|
692 }
|
|
693 cur = &messages[mesgnum];
|
|
694 cur->m_no = mesgnum;
|
|
695 cur->m_flags = group;
|
|
696 cur->m_recpt = recip;
|
|
697 cur->m_from = from;
|
|
698 (void) sprintf(cur->m_data, "%-9s %s", address, str);
|
|
699 cur->m_flags |= MVALID;
|
|
700 }
|
|
701
|
|
702 /* get course from (mx,my) to (x,y) */
|
|
703 unsigned char
|
|
704 getacourse(x, y, mx, my)
|
|
705 int x, y, mx, my;
|
|
706 {
|
|
707 if (x == mx && y == my)
|
|
708 return 0;
|
|
709
|
|
710 return (unsigned char) (int) (atan2((double) (x - mx),
|
|
711 (double) (my - y)) / 3.14159 * 128.);
|
|
712 }
|
|
713
|
|
714 /*
|
|
715 * FED 1 ROM 2 KLI 4 ORI 8
|
|
716 */
|
|
717
|
|
718 /*
|
|
719 * 256/0 192 + 64 128 */
|
|
720
|
|
721 check_tboundary(teams, mycrs, range, x, y)
|
|
722 int teams;
|
|
723 int x, y;
|
|
724 unsigned char *mycrs;
|
|
725 int range;
|
|
726 {
|
|
727 int lx = homestar->pl_x - SYSWIDTH / 2, rx = homestar->pl_x + SYSWIDTH / 2,
|
|
728 ty = homestar->pl_y - SYSWIDTH / 2, by = homestar->pl_y + SYSWIDTH / 2;
|
|
729 int r = 0, l = 0;
|
|
730 unsigned char crs = *mycrs;
|
|
731
|
|
732 if (x < lx && crs >= 128)
|
|
733 {
|
|
734 if (crs >= 192)
|
|
735 *mycrs += range;
|
|
736 else
|
|
737 *mycrs -= range;
|
|
738 l = 1;
|
|
739 }
|
|
740 else if (x > rx && crs < 128)
|
|
741 {
|
|
742 if (crs > 64)
|
|
743 *mycrs += range;
|
|
744 else
|
|
745 *mycrs -= range;
|
|
746 r = 1;
|
|
747 }
|
|
748 if (y < ty && (crs >= 192 || crs < 64))
|
|
749 {
|
|
750 if (crs >= 192 && !l)
|
|
751 *mycrs -= range;
|
|
752 else
|
|
753 *mycrs += range;
|
|
754 }
|
|
755 else if (y > by && (crs < 192 && crs >= 64))
|
|
756 {
|
|
757 if (crs < 128 && !r)
|
|
758 *mycrs -= range;
|
|
759 else
|
|
760 *mycrs += range;
|
|
761 }
|
|
762 }
|
|
763
|
|
764 /* return rnd between -range & range */
|
|
765 rrnd(range)
|
|
766 int range;
|
|
767 {
|
|
768 return lrand48() % (2 * range) - range;
|
|
769 }
|
|
770
|
|
771 #ifdef nodef
|
|
772 /* NOTUSED */
|
|
773 contrast(t)
|
|
774 int t;
|
|
775 {
|
|
776 return ROM; /* experiment */
|
|
777 switch (t)
|
|
778 {
|
|
779 case FED:
|
|
780 return ORI;
|
|
781 case ORI:
|
|
782 return FED;
|
|
783 case KLI:
|
|
784 return ROM;
|
|
785 case ROM:
|
|
786 return KLI;
|
|
787 default:
|
|
788 return FED;
|
|
789 }
|
|
790 }
|
|
791
|
|
792 #endif
|
|
793
|
|
794 snake_torp(t, n, p)
|
|
795 struct torp *t;
|
|
796 int n;
|
|
797 struct player *p;
|
|
798 {
|
|
799 t->t_no = n;
|
|
800 t->t_status = TMOVE;
|
|
801 t->t_owner = p->p_no;
|
|
802 t->t_team = p->p_team;
|
|
803 t->t_dir = 128;
|
|
804 if (plan_guard == 0)
|
|
805 t->t_damage = SNAKETORPDAMAGE;
|
|
806 else
|
|
807 t->t_damage = SNAKETORPDAMAGE * 10;
|
|
808 t->t_speed = 0;
|
|
809 if (berserk)
|
|
810 t->t_war = FED | ROM | ORI | KLI;
|
|
811 else if (target == -1)
|
|
812 t->t_war = 0;
|
|
813 else
|
|
814 t->t_war = perfs[0]->p_swar | perfs[0]->p_hostile;
|
|
815 t->t_fuse = MAXINT;
|
|
816 t->t_turns = 0;
|
|
817 p->p_ntorp++;
|
|
818 }
|
|
819
|
|
820 struct player *
|
|
821 whokilledme(pt)
|
|
822 struct plasmatorp *pt;
|
|
823 {
|
|
824 register i;
|
|
825 register struct phaser *j;
|
|
826
|
|
827 for (i = 0, j = &phasers[i]; i < MAXPLAYER; i++, j++)
|
|
828 {
|
|
829 if (j->ph_status == PHHIT2)
|
|
830 {
|
|
831 if (debug)
|
|
832 {
|
|
833 fprintf(stderr, "found PHHIT2 from %d at %d,%d\n", players[i].p_no,
|
|
834 j->ph_x, j->ph_y);
|
|
835 fprintf(stderr, "plasma is at %d,%d\n", pt->pt_x, pt->pt_y);
|
|
836 fprintf(stderr, "fl is at %d,%d\n", fl->pt_x, fl->pt_y);
|
|
837 fprintf(stderr, "fr is at %d,%d\n", fr->pt_x, fr->pt_y);
|
|
838 }
|
|
839 if (j->ph_x == pt->pt_x && j->ph_y == pt->pt_y)
|
|
840 {
|
|
841 return &players[i];
|
|
842 }
|
|
843 }
|
|
844 }
|
|
845 return NULL;
|
|
846 }
|
|
847
|
|
848 /*
|
|
849 * NOTE: the procedure could be writing shared memory variables at the same
|
|
850 * time as the daemon. This may produce unpredicatable results. A better
|
|
851 * implementation would mark the "snake plasma" and have the daemon do the
|
|
852 * awarding.
|
|
853 */
|
|
854
|
|
855 award(win)
|
|
856 struct player *win;
|
|
857 {
|
|
858 char buf[80];
|
|
859 char addrbuf[10];
|
|
860
|
|
861 if (!win)
|
|
862 return;
|
|
863
|
|
864 if (target == -1 && !(win->p_flags & PFROBOT) && !WARHOSTILE(win))
|
|
865 {
|
|
866 strcpy(buf, "Snake eyes!");
|
|
867
|
|
868 /* what do we have for our big winner today, fred? */
|
|
869
|
|
870 if (((100 * win->p_damage) / win->p_ship.s_maxdamage) > 50 ||
|
|
871 ((100 * win->p_shield) / win->p_ship.s_maxshield) < 50)
|
|
872 {
|
|
873 win->p_damage = 0;
|
|
874 win->p_shield = win->p_ship.s_maxshield;
|
|
875 strcat(buf, " You win free repairs!");
|
|
876 }
|
|
877 else if (((100 * win->p_fuel) / win->p_ship.s_maxfuel) < 50)
|
|
878 {
|
|
879 win->p_fuel = win->p_ship.s_maxfuel;
|
|
880 strcat(buf, " You win free fuel!");
|
|
881 }
|
|
882 else if (((100 * win->p_etemp) / win->p_ship.s_maxegntemp) > 60)
|
|
883 {
|
|
884 win->p_etemp = 0;
|
|
885 strcat(buf, " You win free engine cooling!");
|
|
886 }
|
|
887 else if (((100 * win->p_wtemp) / win->p_ship.s_maxwpntemp) > 60)
|
|
888 {
|
|
889 win->p_wtemp = 0;
|
|
890 strcat(buf, " You win free weapons cooling!");
|
|
891 }
|
|
892 else
|
|
893 {
|
|
894 win->p_damage = 0;
|
|
895 win->p_shield = win->p_ship.s_maxshield;
|
|
896 win->p_fuel = win->p_ship.s_maxfuel;
|
|
897 win->p_etemp = 0;
|
|
898 win->p_wtemp = 0;
|
|
899 strcat(buf, " You feel healthy!");
|
|
900 }
|
|
901
|
|
902 /* ... */
|
|
903
|
|
904 sprintf(addrbuf, "%s->%c%c", SERVNAME,
|
|
905 teams[win->p_team].letter, shipnos[win->p_no]);
|
|
906 pmessage2(buf, win->p_no, MINDIV, addrbuf, 255);
|
|
907 }
|
|
908 sprintf(buf, "%s (%c%c) slew the vile space serpent!",
|
|
909 win->p_name, teams[win->p_team].letter, shipnos[win->p_no]);
|
|
910 pmessage(buf, 0, MALL | MKILLA, MSERVA, 255);
|
|
911
|
|
912 /* and get .5 kills */
|
|
913
|
|
914 win->p_kills += 0.5;
|
|
915 if (win->p_ship.s_type == STARBASE)
|
|
916 {
|
|
917 if (win->p_stats.st_sbmaxkills < win->p_kills)
|
|
918 {
|
|
919 win->p_stats.st_sbmaxkills = win->p_kills;
|
|
920 }
|
|
921 }
|
|
922 else if (win->p_stats.st_tmaxkills < win->p_kills)
|
|
923 {
|
|
924 win->p_stats.st_tmaxkills = win->p_kills;
|
|
925 }
|
|
926 }
|
|
927
|
|
928 bombcheck(team1, team2)
|
|
929 int team1, team2;
|
|
930 {
|
|
931 register i;
|
|
932 register struct player *j;
|
|
933 struct planet *p;
|
|
934
|
|
935 for (i = 0, j = players; i < MAXPLAYER; i++, j++)
|
|
936 {
|
|
937 if (j->p_status == PALIVE)
|
|
938 {
|
|
939 if ((j->p_flags & PFBOMB) && (j->p_flags & PFORBIT))
|
|
940 {
|
|
941 p = &planets[j->p_planet];
|
|
942 if (!((j->p_swar | j->p_hostile) & p->pl_owner))
|
|
943 continue;
|
|
944
|
|
945 if (defenders[p->pl_owner] >= configvals->tournplayers)
|
|
946 continue;
|
|
947
|
|
948 #if 0
|
|
949 /* ignore planets that aren't within team boundaries */
|
|
950 if (p->pl_x > boundaries[p->pl_owner].rx ||
|
|
951 p->pl_x < boundaries[p->pl_owner].lx ||
|
|
952 p->pl_y > boundaries[p->pl_owner].by ||
|
|
953 p->pl_y < boundaries[p->pl_owner].ty)
|
|
954 continue;
|
|
955 #endif
|
|
956
|
|
957 if (!team1 && !team2)
|
|
958 {
|
|
959 /* any planet */
|
|
960 printf("snake found bomber: targeting %c%c\n",
|
|
961 teams[j->p_team].letter, shipnos[j->p_no]);
|
|
962 fflush(stdout);
|
|
963 make_war(j, p->pl_owner);
|
|
964 return j->p_no;
|
|
965 }
|
|
966 else
|
|
967 {
|
|
968 if (team1)
|
|
969 {
|
|
970 if (p->pl_owner == team1)
|
|
971 {
|
|
972 printf("found bomber: targeting %c%c\n",
|
|
973 teams[j->p_team].letter, shipnos[j->p_no]);
|
|
974 fflush(stdout);
|
|
975 make_war(j, p->pl_owner);
|
|
976 return j->p_no;
|
|
977 }
|
|
978 }
|
|
979 if (team2)
|
|
980 {
|
|
981 if (p->pl_owner == team2)
|
|
982 {
|
|
983 printf("found bomber: targeting %c%c\n",
|
|
984 teams[j->p_team].letter, shipnos[j->p_no]);
|
|
985 fflush(stdout);
|
|
986 make_war(j, p->pl_owner);
|
|
987 return j->p_no;
|
|
988 }
|
|
989 }
|
|
990 }
|
|
991 }
|
|
992 }
|
|
993 }
|
|
994 return -1;
|
|
995 }
|
|
996
|
|
997 make_war(p, plteam)
|
|
998 struct player *p;
|
|
999 int plteam;
|
|
1000 {
|
|
1001 register int i;
|
|
1002 register struct player *j;
|
|
1003 register struct torp *k;
|
|
1004
|
|
1005 perfs[0]->p_team = plteam;
|
|
1006 perfs[0]->p_swar = 0;
|
|
1007 perfs[0]->p_hostile = 0;
|
|
1008 perfs[1]->p_team = plteam;
|
|
1009 perfs[1]->p_swar = 0;
|
|
1010 perfs[1]->p_hostile = 0;
|
|
1011
|
|
1012 perfs[0]->p_swar |= p->p_team;
|
|
1013 perfs[0]->p_hostile |= p->p_team;
|
|
1014 perfs[1]->p_swar |= p->p_team;
|
|
1015 perfs[1]->p_hostile |= p->p_team;
|
|
1016
|
|
1017 /* update our torps war status */
|
|
1018 for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
|
|
1019 {
|
|
1020 for (i = j->p_no * MAXTORP, k = &torps[i];
|
|
1021 i < j->p_no * MAXTORP + length; i++, k++)
|
|
1022 {
|
|
1023
|
|
1024 k->t_war = perfs[0]->p_swar | perfs[0]->p_hostile;
|
|
1025 }
|
|
1026 }
|
|
1027 }
|
|
1028
|
|
1029
|
|
1030
|
|
1031 /*
|
|
1032 * start planet areas are places where people will likely enter the game
|
|
1033 * (only considers 1 start planet at this time)
|
|
1034 */
|
|
1035
|
|
1036 sp_area(x, y)
|
|
1037 int x, y;
|
|
1038 {
|
|
1039 register i, j, px, py;
|
|
1040
|
|
1041 #if 0
|
|
1042 /* check for proximity to a shipyard? */
|
|
1043 return 0;
|
|
1044 #else
|
|
1045
|
|
1046 for (i = 0; i < NUMPLANETS; i++)
|
|
1047 {
|
|
1048 struct planet *pl = &planets[i];
|
|
1049 if (!(pl->pl_flags & (PLSHIPYARD | PLHOME)))
|
|
1050 continue;
|
|
1051 px = pl->pl_x;
|
|
1052 py = pl->pl_y;
|
|
1053 /* printf("checking %s (%d,%d)\n", pl->pl_name, i*10,j); */
|
|
1054
|
|
1055 if (!(x < px - 5300 || x > px + 5300 ||
|
|
1056 y < py - 5300 || y > py + 5300))
|
|
1057 {
|
|
1058 #ifdef maybe /* not used. */
|
|
1059 if (target != -1)
|
|
1060 {
|
|
1061 struct player *p = &players[target];
|
|
1062 /*
|
|
1063 * if target is also in same home area, he should at least be able to
|
|
1064 * phaser the snake since the torps are already deadly
|
|
1065 */
|
|
1066 if (!(p->p_x < px - 5300 || p->p_x > px + 5300 ||
|
|
1067 p->p_y < py - 5300 || p->p_y > py + 5300))
|
|
1068 return 0;
|
|
1069 else
|
|
1070 return 1;
|
|
1071 }
|
|
1072 #endif
|
|
1073 return 1;
|
|
1074 }
|
|
1075 }
|
|
1076
|
|
1077 return 0;
|
|
1078
|
|
1079 #endif
|
|
1080 }
|