--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/snakemove.c	Sat Dec 06 04:37:04 1997 +0000
@@ -0,0 +1,1080 @@
+/*--------------------------------------------------------------------------
+NETREK II -- Paradise
+
+Permission to use, copy, modify, and distribute this software and its
+documentation, or any derivative works thereof, for any NON-COMMERCIAL
+purpose and without fee is hereby granted, provided that this copyright
+notice appear in all copies.  No representations are made about the
+suitability of this software for any purpose.  This software is provided
+"as is" without express or implied warranty.
+
+    Xtrek Copyright 1986                            Chris Guthrie
+    Netrek (Xtrek II) Copyright 1989                Kevin P. Smith
+                                                    Scott Silvey
+    Paradise II (Netrek II) Copyright 1993          Larry Denys
+                                                    Kurt Olsen
+                                                    Brandon Gillespie
+--------------------------------------------------------------------------*/
+
+#include "config.h"
+#include <stdio.h>
+#include <signal.h>
+
+#ifdef apollo
+#include <limits.h>
+#define MAXINT INT_MAX
+#else
+#include <values.h>
+#endif
+
+#include <math.h>
+#include <time.h>
+#include "defs.h"
+#include "struct.h"
+#include "data.h"
+#include "planets.h"
+#include "shmem.h"
+
+#define SYSWIDTH      (GWIDTH/5)/* width of a system */
+
+/* distance on either side of center */
+#define EYEWIDTH		100	/* 100 */
+/* which torp the eyes are positioned alongside */
+#define EYETORP			0	/* 0 */
+/* angle from EYETORP */
+#define EYEANGLE		64	/* 64 */
+#define TORPSEP			WARP1*12
+#define PLANRAD  900
+#define PLANRATE 16
+
+/* threshold to avoid galactic boundaries */
+#define MD		4500
+/* overlap threshold on team boundaries */
+#define TMD		2250
+
+/* how often to check for bombers in cyles (1/10th second) */
+#define BOMBCHECK	20
+
+/* how often to check for players in the game in cyles (1/10th second) */
+#define PLAYERCHECK	100
+
+#define WARHOSTILE(p)		((((p)->p_swar | (p)->p_hostile)& \
+				perfs[0]->p_team) || ((perfs[0]->p_swar | \
+				perfs[0]->p_hostile) & (p)->p_team))
+
+#define SNAKETORPDAMAGE		30
+#define SNAKEPLASMADAMAGE	100
+
+static struct torp *thead, *eyet, *eyetp;
+static int lx, ly;
+static struct plasmatorp *fl, *fr;
+static int explode, explodetorps, tfuse;
+
+extern struct player *perfs[2];
+extern int num_perfs;
+extern int debug;
+extern int lastm;
+extern int tno;
+extern int target;
+extern int berserk;
+extern int patrol;
+extern int noSmush;
+extern int plan_guard;		/* KAO */
+extern int planet1, planet2;	/* KAO */
+extern int team1, team2;
+extern int length;
+
+static int plan_count = 0;
+static int s_clock;
+static _move();
+static int defenders[ALLTEAM];
+
+struct player *whokilledme();
+struct planet *homeworld = 0;
+struct planet *homestar = 0;
+
+unsigned char getacourse();
+extern void (*r_signal()) ();
+
+
+struct planet *
+star_of(pl)
+  struct planet *pl;
+{
+  int i;
+  if (pl->pl_system < 1)
+    return 0;
+
+  for (i = 0; i < NUMPLANETS; i++)
+  {
+    if (!(planets[i].pl_flags & PLSTAR))
+      continue;
+    if (planets[i].pl_system == pl->pl_system)
+      return &planets[i];
+  }
+
+  return 0;
+}
+
+
+
+snakemove()
+{
+  s_clock++;
+
+  _move();
+}
+
+static
+_move()
+{
+  if (!perfs[0] || !perfs[1])
+    exitSnake();
+
+  /* keep ghostbuster away */
+  perfs[0]->p_ghostbuster = 0;
+  perfs[1]->p_ghostbuster = 0;
+
+  if (s_clock == 5)
+    startsnake();
+  else if (s_clock > 5)
+  {
+    check_explode();
+    if (!explode)
+    {
+      movesnake();
+    }
+    else if ((perfs[0]->p_ntorp == 0 && perfs[1]->p_ntorp == 0 &&
+	    perfs[0]->p_nplasmatorp == 0 && perfs[1]->p_nplasmatorp == 0) ||
+      /* xx -- sometimes above doesn't work? */
+	     s_clock - explode > 56)
+      exitSnake();
+  }
+  return 1;
+}
+
+startsnake()
+{
+  register i, l;
+  register struct player *j;
+  register struct torp *k;
+  struct player *p1 = perfs[0], *p2 = perfs[1];
+  int first = 1;
+  int px, py;
+
+  for (i = 0; i < NUMPLANETS; i++)
+  {
+    if (planets[i].pl_flags & PLHOME && planets[i].pl_owner == 1 << tno)
+    {
+      homeworld = &planets[i];
+      break;
+    }
+    if (!homeworld && planets[i].pl_owner == 1 << tno)
+      homeworld = &planets[i];
+  }
+
+  if (!homeworld)
+  {
+    /* ouch */
+    homeworld = &planets[lrand48() % NUMPLANETS];
+    fprintf(stderr, "snake: My race (%d) has no planets.  Picking one at random: %s\n", tno, homeworld->pl_name);
+  }
+  homestar = star_of(homeworld);
+  if (!homestar)
+    homestar = homeworld;
+
+  px = (lrand48() % 10000) - 5000;
+  py = (lrand48() % 10000) - 5000;
+
+  p1->p_ntorp = p2->p_ntorp = 0;
+  p1->p_nplasmatorp = p2->p_nplasmatorp = 0;
+
+  /* body */
+
+  for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+  {
+
+    for (l = 0, i = j->p_no * MAXTORP, k = &torps[i];
+	 i < j->p_no * MAXTORP + length; i++, k++, l++)
+    {
+
+      if (l == EYETORP && j == perfs[0])
+      {
+	/* eye location */
+	eyet = k;
+      }
+      if (l == ((EYETORP == 0) ? 1 : (EYETORP - 1)) && j == perfs[0])
+      {
+	/* perpendicular torp offset */
+	eyetp = k;
+      }
+      /* torps are free here */
+      snake_torp(k, i, j);
+      /* note: have to be same team for this to work */
+      k->t_x = homeworld->pl_x + px;
+      k->t_y = homeworld->pl_y + py - (l + (j == perfs[1] ? length : 0)) * TORPSEP;
+      /*
+       * if(debug) fprintf(stderr, "k->t_x %d, k->t_y %d\n", k->t_x, k->t_y);
+       */
+      if (first)
+      {
+	thead = k;
+	first = 0;
+      }
+    }
+  }
+
+  /* eyes */
+  fl = &plasmatorps[perfs[0]->p_no * MAXPLASMA];
+  fl->pt_no = perfs[0]->p_no * MAXPLASMA;
+  fl->pt_status = PTMOVE;
+  fl->pt_owner = perfs[0]->p_no;
+  fl->pt_team = perfs[0]->p_team;
+  fl->pt_x = eyet->t_x - EYEWIDTH;
+  fl->pt_y = eyet->t_y;
+  if (plan_guard == 0)
+    fl->pt_damage = SNAKEPLASMADAMAGE;
+  else
+    fl->pt_damage = SNAKEPLASMADAMAGE * 10;
+  fl->pt_speed = 0;
+  fl->pt_war = 0;
+  fl->pt_fuse = MAXINT;
+  fl->pt_turns = 0;
+
+  perfs[0]->p_nplasmatorp++;
+
+  fr = &plasmatorps[perfs[1]->p_no * MAXPLASMA];
+  fr->pt_no = perfs[1]->p_no * MAXPLASMA;
+  fr->pt_status = PTMOVE;
+  fr->pt_owner = perfs[1]->p_no;
+  fr->pt_team = perfs[1]->p_team;	/* doesn't work */
+  fr->pt_x = eyet->t_x + EYEWIDTH;
+  fr->pt_y = eyet->t_y;
+  fr->pt_damage = SNAKEPLASMADAMAGE;
+  fr->pt_speed = 0;
+  fr->pt_war = 0;
+  fr->pt_fuse = MAXINT;
+  fr->pt_turns = 0;
+
+  perfs[1]->p_nplasmatorp++;
+
+  if (debug)
+    fprintf(stderr, "started\n");
+}
+
+restore_eye()
+{
+  if (fl->pt_status != PTMOVE)
+  {
+    /* eyes */
+    fl = &plasmatorps[perfs[0]->p_no * MAXPLASMA];
+    fl->pt_no = perfs[0]->p_no * MAXPLASMA;
+    fl->pt_status = PTMOVE;
+    fl->pt_owner = perfs[0]->p_no;
+    fl->pt_team = perfs[0]->p_team;
+    fl->pt_x = eyet->t_x - EYEWIDTH;
+    fl->pt_y = eyet->t_y;
+    if (plan_guard == 0)
+      fl->pt_damage = SNAKEPLASMADAMAGE;
+    else
+      fl->pt_damage = SNAKEPLASMADAMAGE * 10;
+    fl->pt_speed = 0;
+    fl->pt_war = 0;
+    fl->pt_fuse = MAXINT;
+    fl->pt_turns = 0;
+    perfs[0]->p_nplasmatorp++;
+  }
+  if (fr->pt_status != PTMOVE)
+  {
+    fr = &plasmatorps[perfs[1]->p_no * MAXPLASMA];
+    fr->pt_no = perfs[1]->p_no * MAXPLASMA;
+    fr->pt_status = PTMOVE;
+    fr->pt_owner = perfs[1]->p_no;
+    fr->pt_team = perfs[1]->p_team;	/* doesn't work */
+    fr->pt_x = eyet->t_x + EYEWIDTH;
+    fr->pt_y = eyet->t_y;
+    fr->pt_damage = SNAKEPLASMADAMAGE;
+    fr->pt_speed = 0;
+    fr->pt_war = 0;
+    fr->pt_fuse = MAXINT;
+    fr->pt_turns = 0;
+    perfs[1]->p_nplasmatorp++;
+  }
+}
+
+movesnake()
+{
+  register i, px, py;
+  register struct player *j;
+  register struct torp *k /* , *prev = thead */ ;
+  unsigned char tc;
+  struct player *tr;
+  static
+  int dir = 8;
+  int ok;
+
+  if ((s_clock % PLAYERCHECK) == 0)
+  {
+    /* every x seconds make sure there's people in the game */
+    ok = 0;
+    defenders[FED] = defenders[ROM] = defenders[KLI] = defenders[ORI] = 0;
+    for (i = 0, j = players; i < MAXPLAYER; i++, j++)
+    {
+      if ((j->p_status != PFREE) && !(j->p_flags & PFROBOT))
+      {
+	ok = 1;
+	defenders[j->p_team]++;
+      }
+    }
+    if (!ok)
+      exitSnake();
+  }
+  if (patrol && (target == -1) && (s_clock % BOMBCHECK) == 0)
+  {
+    target = bombcheck(team1, team2);
+  }
+  if ((s_clock % (4 + (lrand48() % 4))) == 0)
+    dir = -dir;
+
+  thead->t_dir += dir + rrnd(8);
+
+  if (target > -1)
+  {
+    tr = &players[target];
+    if (tr->p_status == PALIVE)
+    {
+      int nd, td;
+      tc = getacourse(tr->p_x, tr->p_y, thead->t_x, thead->t_y);
+      nd = angdist(thead->t_dir, tc);
+      if (nd > 8)
+      {
+	td = tc + nd;
+	if (td == thead->t_dir)
+	  thead->t_dir -= 8;
+	else
+	  thead->t_dir += 8;
+      }
+    }
+  }
+  if (target == -1)
+  {
+    if (!patrol)
+      check_tboundary(ALLTEAM, &thead->t_dir, 8, thead->t_x, thead->t_y);
+    else
+      check_tboundary(team1 | team2, &thead->t_dir, 8, thead->t_x, thead->t_y);
+  }
+  lx = thead->t_x;
+  ly = thead->t_y;
+
+  if (!plan_guard)
+  {
+    /* NOTE: we aren't letting the daemon move the torp head */
+    thead->t_x += (double) TORPSEP *Cos[thead->t_dir];
+    thead->t_y += (double) TORPSEP *Sin[thead->t_dir];
+  }
+  for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+  {
+    if (plan_guard)
+    {
+      int temp;
+      thead = &torps[j->p_no * MAXTORP];
+      if (j == perfs[0])
+	temp = planet1;
+      else
+	temp = planet2;
+      lx = thead->t_x;
+      ly = thead->t_y;
+      thead->t_x = planets[temp].pl_x + Cos[255 - plan_count] * PLANRAD;
+      thead->t_y = planets[temp].pl_y + Sin[255 - plan_count] * PLANRAD;
+    }
+    for (i = j->p_no * MAXTORP, k = &torps[i];
+	 i < j->p_no * MAXTORP + length; i++, k++)
+    {
+
+      if (k->t_status == TFREE)
+	/* got exploded.  x & y location will remain however */
+	snake_torp(k, i, j);
+
+      if (k == thead)
+	continue;
+
+      px = k->t_x;
+      py = k->t_y;
+
+      k->t_x = lx;
+      k->t_y = ly;
+
+      lx = px;
+      ly = py;
+    }
+  }
+  if (plan_guard)
+  {
+    thead = &torps[perfs[0]->p_no * MAXTORP];
+    plan_count = (plan_count + PLANRATE) % 256;
+  }
+  lx = thead->t_x;
+  ly = thead->t_y;
+  doeyes();
+}
+
+check_explode()
+{
+  register int i, l;
+  register struct player *j;
+  register struct torp *k;
+  static struct player *killer;
+
+  if (fl->pt_status == PTDET || fr->pt_status == PTDET ||
+      fl->pt_status == PTEXPLODE || fr->pt_status == PTEXPLODE || explode)
+  {
+    if (plan_guard)
+    {
+      restore_eye();
+      return;
+    }				/* KAO */
+    if (debug)
+      fprintf(stderr, "snake exploding\n");
+    if (!explode)
+    {
+      /* do once */
+      explode = s_clock;
+      tfuse = 0;
+      if (fl->pt_status == PTDET || fl->pt_status == PTEXPLODE)
+      {
+	killer = whokilledme(fl);
+	if (killer)
+	  award(killer);
+      }
+      if (fr->pt_status == PTDET || fr->pt_status == PTEXPLODE)
+      {
+	killer = whokilledme(fr);
+	if (killer)
+	  award(killer);
+      }
+    }
+    if (fl->pt_status != PTFREE && fl->pt_status != PTEXPLODE)
+    {
+      fl->pt_war = FED | ROM | KLI | ORI;	/* make sure its at war when
+						 * it explodes */
+      fl->pt_status = PTEXPLODE;
+      fl->pt_fuse = 10;
+    }
+    if (fl->pt_status != PTFREE && fr->pt_status != PTEXPLODE)
+    {
+      fl->pt_war = FED | ROM | KLI | ORI;
+      fr->pt_status = PTEXPLODE;
+      fr->pt_fuse = 10;
+    }
+    /*
+     * now for some fancy stuff. If killer is our target and is hostile or at
+     * war with our team then snake torp head makes a beeline for him.  This
+     * lasts until killer dies or torps have been chasing killer for 40
+     * cycles
+     */
+
+    if (killer && WARHOSTILE(killer) && (noSmush < 1) && (killer->p_status == PALIVE) &&
+	tfuse < 40 && (killer->p_no == target || noSmush < 0))
+    {
+      crash_killer(killer);
+    }
+    else
+    {
+      /* explode all torps in sequence, 1 per cycle until all gone */
+      for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+      {
+	for (l = (j == perfs[0]) ? 0 : length, i = j->p_no * MAXTORP, k = &torps[i];
+	     i < j->p_no * MAXTORP + length; i++, k++, l++)
+	{
+	  if (l == explodetorps && k->t_status != TEXPLODE &&
+	      k->t_status != TFREE)
+	  {
+	    k->t_status = TEXPLODE;
+	    k->t_fuse = 10;
+	    explodetorps++;
+	    return;
+	  }
+	  else if (l == explodetorps)
+	    explodetorps++;
+	}
+      }
+    }
+  }
+}
+
+crash_killer(p)
+  struct player *p;
+{
+  register int i, px, py;
+  register struct player *j;
+  register struct torp *k;
+  unsigned char tc;
+  int active = 0;
+
+  tfuse++;
+
+  tc = getacourse(p->p_x, p->p_y, thead->t_x, thead->t_y);
+  thead->t_dir = tc;
+
+  lx = thead->t_x;
+  ly = thead->t_y;
+
+  thead->t_x += (double) (12 * WARP1) * Cos[thead->t_dir];
+  thead->t_y += (double) (12 * WARP1) * Sin[thead->t_dir];
+
+  for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+  {
+    for (i = j->p_no * MAXTORP, k = &torps[i];
+	 i < j->p_no * MAXTORP + length; i++, k++)
+    {
+
+      /* move the head up if it exploded */
+      if (k != thead && thead->t_status == TFREE)
+	thead = k;
+      else if (k == thead)
+	continue;
+
+      if (k->t_status != TFREE)
+	active++;
+
+      px = k->t_x;
+      py = k->t_y;
+
+      k->t_x = lx;
+      k->t_y = ly;
+
+      lx = px;
+      ly = py;
+    }
+  }
+  return active;
+}
+
+
+doeyes()
+{
+  unsigned char c = getacourse(eyetp->t_x, eyetp->t_y, eyet->t_x,
+			       eyet->t_y);
+  int ew = EYEWIDTH, war_ok;
+
+  /* c + 64 -- fl c - 64 -- fr */
+
+  if (plan_guard)
+  {
+    fl->pt_x = planets[planet1].pl_x + Cos[255 - plan_count] * PLANRAD;
+    fl->pt_y = planets[planet1].pl_y + Sin[255 - plan_count] * PLANRAD;
+    fr->pt_x = planets[planet2].pl_x + Cos[255 - plan_count] * PLANRAD;
+    fr->pt_y = planets[planet2].pl_y + Sin[255 - plan_count] * PLANRAD;
+    return;
+  }
+  if (fl->pt_war)
+    ew += 15;
+
+  fl->pt_x = eyet->t_x + (double) (ew) * Cos[(unsigned char) (c - EYEANGLE)];
+  fl->pt_y = eyet->t_y + (double) (ew) * Sin[(unsigned char) (c - EYEANGLE)];
+
+#ifdef nodef
+  if (fl->pt_x < 0)
+    fl->pt_x = 0;
+  else if (fl->pt_x > GWIDTH)
+    fl->pt_x = GWIDTH;
+
+  if (fl->pt_y < 0)
+    fl->pt_y = 0;
+  else if (fl->pt_y > GWIDTH)
+    fl->pt_y = GWIDTH;
+#endif
+
+  if (fr->pt_war)
+    ew += 15;
+
+  fr->pt_x = eyet->t_x + (double) (ew) * Cos[(unsigned char) (c + EYEANGLE)];
+  fr->pt_y = eyet->t_y + (double) (ew) * Sin[(unsigned char) (c + EYEANGLE)];
+
+#ifdef nodef
+  if (fr->pt_x < 0)
+    fr->pt_x = 0;
+  else if (fl->pt_x > GWIDTH)
+    fr->pt_x = GWIDTH;
+
+  if (fr->pt_y < 0)
+    fr->pt_y = 0;
+  else if (fl->pt_y > GWIDTH)
+    fr->pt_y = GWIDTH;
+#endif
+
+  /* toggle war */
+  if ((s_clock % 6) == 0)
+  {
+    /*
+     * your home planet and shipyards are always safe from your own snake
+     * unless you are a target.
+     */
+    war_ok = !sp_area(thead->t_x, thead->t_y);
+
+    if (!fr->pt_war && war_ok)
+      fr->pt_war = (FED | ROM | KLI | ORI) & ~(war_ok ? 0 : (1 << tno));
+    else
+      fr->pt_war = 0;
+
+    if (!fl->pt_war && war_ok)
+      fl->pt_war = (FED | ROM | KLI | ORI) & ~(war_ok ? 0 : (1 << tno));
+    else
+      fl->pt_war = 0;
+  }
+}
+
+exitSnake(sig)
+  int sig;
+{
+  register int i;
+  register struct player *j;
+  register struct torp *k;
+  register struct plasmatorp *f;
+
+  r_signal(SIGALRM, SIG_DFL);
+
+  if (debug)
+    fprintf(stderr, "snake exiting\n");
+
+  for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+  {
+    for (i = j->p_no * MAXTORP, k = &torps[i];
+	 i < j->p_no * MAXTORP + length; i++, k++)
+    {
+      /* torps are free here */
+      if (k->t_status != TFREE)
+	k->t_status = TOFF;
+    }
+    f = &plasmatorps[j->p_no * MAXPLASMA];
+    f->pt_status = PTFREE;
+    /* plasma */
+  }
+
+  memset(perfs[0], 0, sizeof(struct player));
+  memset(perfs[1], 0, sizeof(struct player));
+  perfs[0]->p_stats.st_tticks = 1;
+  perfs[1]->p_stats.st_tticks = 1;
+
+  /*
+   * note: if we had a segmentation violation or bus error we want a core
+   * file to debug
+   */
+  if (sig == SIGBUS || sig == SIGSEGV)
+    abort();
+  else
+    exit(0);
+}
+
+pmessage(str, recip, group, address)
+  char *str;
+  int recip;
+  int group;
+  char *address;
+{
+  pmessage2(str, recip, group, address, 255);
+}
+
+pmessage2(str, recip, group, address, from)
+  char *str;
+  int recip;
+  int group;
+  char *address;
+  unsigned char from;
+{
+  struct message *cur;
+  int mesgnum;
+
+  if ((mesgnum = ++(mctl->mc_current)) >= MAXMESSAGE)
+  {
+    mctl->mc_current = 0;
+    mesgnum = 0;
+  }
+  cur = &messages[mesgnum];
+  cur->m_no = mesgnum;
+  cur->m_flags = group;
+  cur->m_recpt = recip;
+  cur->m_from = from;
+  (void) sprintf(cur->m_data, "%-9s %s", address, str);
+  cur->m_flags |= MVALID;
+}
+
+/* get course from (mx,my) to (x,y) */
+unsigned char
+getacourse(x, y, mx, my)
+  int x, y, mx, my;
+{
+  if (x == mx && y == my)
+    return 0;
+
+  return (unsigned char) (int) (atan2((double) (x - mx),
+				      (double) (my - y)) / 3.14159 * 128.);
+}
+
+/*
+ * FED 1 ROM 2 KLI 4 ORI 8
+ */
+
+/*
+ * 256/0 192  +   64 128 */
+
+check_tboundary(teams, mycrs, range, x, y)
+  int teams;
+  int x, y;
+  unsigned char *mycrs;
+  int range;
+{
+  int lx = homestar->pl_x - SYSWIDTH / 2, rx = homestar->pl_x + SYSWIDTH / 2,
+      ty = homestar->pl_y - SYSWIDTH / 2, by = homestar->pl_y + SYSWIDTH / 2;
+  int r = 0, l = 0;
+  unsigned char crs = *mycrs;
+
+  if (x < lx && crs >= 128)
+  {
+    if (crs >= 192)
+      *mycrs += range;
+    else
+      *mycrs -= range;
+    l = 1;
+  }
+  else if (x > rx && crs < 128)
+  {
+    if (crs > 64)
+      *mycrs += range;
+    else
+      *mycrs -= range;
+    r = 1;
+  }
+  if (y < ty && (crs >= 192 || crs < 64))
+  {
+    if (crs >= 192 && !l)
+      *mycrs -= range;
+    else
+      *mycrs += range;
+  }
+  else if (y > by && (crs < 192 && crs >= 64))
+  {
+    if (crs < 128 && !r)
+      *mycrs -= range;
+    else
+      *mycrs += range;
+  }
+}
+
+/* return rnd between -range & range */
+rrnd(range)
+  int range;
+{
+  return lrand48() % (2 * range) - range;
+}
+
+#ifdef nodef
+/* NOTUSED */
+contrast(t)
+  int t;
+{
+  return ROM;			/* experiment */
+  switch (t)
+  {
+   case FED:
+    return ORI;
+   case ORI:
+    return FED;
+   case KLI:
+    return ROM;
+   case ROM:
+    return KLI;
+   default:
+    return FED;
+  }
+}
+
+#endif
+
+snake_torp(t, n, p)
+  struct torp *t;
+  int n;
+  struct player *p;
+{
+  t->t_no = n;
+  t->t_status = TMOVE;
+  t->t_owner = p->p_no;
+  t->t_team = p->p_team;
+  t->t_dir = 128;
+  if (plan_guard == 0)
+    t->t_damage = SNAKETORPDAMAGE;
+  else
+    t->t_damage = SNAKETORPDAMAGE * 10;
+  t->t_speed = 0;
+  if (berserk)
+    t->t_war = FED | ROM | ORI | KLI;
+  else if (target == -1)
+    t->t_war = 0;
+  else
+    t->t_war = perfs[0]->p_swar | perfs[0]->p_hostile;
+  t->t_fuse = MAXINT;
+  t->t_turns = 0;
+  p->p_ntorp++;
+}
+
+struct player *
+whokilledme(pt)
+  struct plasmatorp *pt;
+{
+  register i;
+  register struct phaser *j;
+
+  for (i = 0, j = &phasers[i]; i < MAXPLAYER; i++, j++)
+  {
+    if (j->ph_status == PHHIT2)
+    {
+      if (debug)
+      {
+	fprintf(stderr, "found PHHIT2 from %d at %d,%d\n", players[i].p_no,
+		j->ph_x, j->ph_y);
+	fprintf(stderr, "plasma is at %d,%d\n", pt->pt_x, pt->pt_y);
+	fprintf(stderr, "fl is at %d,%d\n", fl->pt_x, fl->pt_y);
+	fprintf(stderr, "fr is at %d,%d\n", fr->pt_x, fr->pt_y);
+      }
+      if (j->ph_x == pt->pt_x && j->ph_y == pt->pt_y)
+      {
+	return &players[i];
+      }
+    }
+  }
+  return NULL;
+}
+
+/*
+ * NOTE: the procedure could be writing shared memory variables at the same
+ * time as the daemon.  This may produce unpredicatable results.  A better
+ * implementation would mark the "snake plasma" and have the daemon do the
+ * awarding.
+ */
+
+award(win)
+  struct player *win;
+{
+  char buf[80];
+  char addrbuf[10];
+
+  if (!win)
+    return;
+
+  if (target == -1 && !(win->p_flags & PFROBOT) && !WARHOSTILE(win))
+  {
+    strcpy(buf, "Snake eyes!");
+
+    /* what do we have for our big winner today, fred? */
+
+    if (((100 * win->p_damage) / win->p_ship.s_maxdamage) > 50 ||
+	((100 * win->p_shield) / win->p_ship.s_maxshield) < 50)
+    {
+      win->p_damage = 0;
+      win->p_shield = win->p_ship.s_maxshield;
+      strcat(buf, " You win free repairs!");
+    }
+    else if (((100 * win->p_fuel) / win->p_ship.s_maxfuel) < 50)
+    {
+      win->p_fuel = win->p_ship.s_maxfuel;
+      strcat(buf, " You win free fuel!");
+    }
+    else if (((100 * win->p_etemp) / win->p_ship.s_maxegntemp) > 60)
+    {
+      win->p_etemp = 0;
+      strcat(buf, " You win free engine cooling!");
+    }
+    else if (((100 * win->p_wtemp) / win->p_ship.s_maxwpntemp) > 60)
+    {
+      win->p_wtemp = 0;
+      strcat(buf, " You win free weapons cooling!");
+    }
+    else
+    {
+      win->p_damage = 0;
+      win->p_shield = win->p_ship.s_maxshield;
+      win->p_fuel = win->p_ship.s_maxfuel;
+      win->p_etemp = 0;
+      win->p_wtemp = 0;
+      strcat(buf, " You feel healthy!");
+    }
+
+    /* ... */
+
+    sprintf(addrbuf, "%s->%c%c", SERVNAME,
+	    teams[win->p_team].letter, shipnos[win->p_no]);
+    pmessage2(buf, win->p_no, MINDIV, addrbuf, 255);
+  }
+  sprintf(buf, "%s (%c%c) slew the vile space serpent!",
+	  win->p_name, teams[win->p_team].letter, shipnos[win->p_no]);
+  pmessage(buf, 0, MALL | MKILLA, MSERVA, 255);
+
+  /* and get .5 kills */
+
+  win->p_kills += 0.5;
+  if (win->p_ship.s_type == STARBASE)
+  {
+    if (win->p_stats.st_sbmaxkills < win->p_kills)
+    {
+      win->p_stats.st_sbmaxkills = win->p_kills;
+    }
+  }
+  else if (win->p_stats.st_tmaxkills < win->p_kills)
+  {
+    win->p_stats.st_tmaxkills = win->p_kills;
+  }
+}
+
+bombcheck(team1, team2)
+  int team1, team2;
+{
+  register i;
+  register struct player *j;
+  struct planet *p;
+
+  for (i = 0, j = players; i < MAXPLAYER; i++, j++)
+  {
+    if (j->p_status == PALIVE)
+    {
+      if ((j->p_flags & PFBOMB) && (j->p_flags & PFORBIT))
+      {
+	p = &planets[j->p_planet];
+	if (!((j->p_swar | j->p_hostile) & p->pl_owner))
+	  continue;
+
+	if (defenders[p->pl_owner] >= configvals->tournplayers)
+	  continue;
+
+#if 0
+	/* ignore planets that aren't within team boundaries */
+	if (p->pl_x > boundaries[p->pl_owner].rx ||
+	    p->pl_x < boundaries[p->pl_owner].lx ||
+	    p->pl_y > boundaries[p->pl_owner].by ||
+	    p->pl_y < boundaries[p->pl_owner].ty)
+	  continue;
+#endif
+
+	if (!team1 && !team2)
+	{
+	  /* any planet */
+	  printf("snake found bomber: targeting %c%c\n",
+		 teams[j->p_team].letter, shipnos[j->p_no]);
+	  fflush(stdout);
+	  make_war(j, p->pl_owner);
+	  return j->p_no;
+	}
+	else
+	{
+	  if (team1)
+	  {
+	    if (p->pl_owner == team1)
+	    {
+	      printf("found bomber: targeting %c%c\n",
+		     teams[j->p_team].letter, shipnos[j->p_no]);
+	      fflush(stdout);
+	      make_war(j, p->pl_owner);
+	      return j->p_no;
+	    }
+	  }
+	  if (team2)
+	  {
+	    if (p->pl_owner == team2)
+	    {
+	      printf("found bomber: targeting %c%c\n",
+		     teams[j->p_team].letter, shipnos[j->p_no]);
+	      fflush(stdout);
+	      make_war(j, p->pl_owner);
+	      return j->p_no;
+	    }
+	  }
+	}
+      }
+    }
+  }
+  return -1;
+}
+
+make_war(p, plteam)
+  struct player *p;
+  int plteam;
+{
+  register int i;
+  register struct player *j;
+  register struct torp *k;
+
+  perfs[0]->p_team = plteam;
+  perfs[0]->p_swar = 0;
+  perfs[0]->p_hostile = 0;
+  perfs[1]->p_team = plteam;
+  perfs[1]->p_swar = 0;
+  perfs[1]->p_hostile = 0;
+
+  perfs[0]->p_swar |= p->p_team;
+  perfs[0]->p_hostile |= p->p_team;
+  perfs[1]->p_swar |= p->p_team;
+  perfs[1]->p_hostile |= p->p_team;
+
+  /* update our torps war status */
+  for (j = perfs[0]; j; j = (j == perfs[1] ? NULL : perfs[1]))
+  {
+    for (i = j->p_no * MAXTORP, k = &torps[i];
+	 i < j->p_no * MAXTORP + length; i++, k++)
+    {
+
+      k->t_war = perfs[0]->p_swar | perfs[0]->p_hostile;
+    }
+  }
+}
+
+
+
+/*
+ * start planet areas are places where people will likely enter the game
+ * (only considers 1 start planet at this time)
+ */
+
+sp_area(x, y)
+  int x, y;
+{
+  register i, j, px, py;
+
+#if 0
+  /* check for proximity to a shipyard? */
+  return 0;
+#else
+
+  for (i = 0; i < NUMPLANETS; i++)
+  {
+    struct planet *pl = &planets[i];
+    if (!(pl->pl_flags & (PLSHIPYARD | PLHOME)))
+      continue;
+    px = pl->pl_x;
+    py = pl->pl_y;
+    /* printf("checking %s (%d,%d)\n", pl->pl_name, i*10,j); */
+
+    if (!(x < px - 5300 || x > px + 5300 ||
+	  y < py - 5300 || y > py + 5300))
+    {
+#ifdef maybe			/* not used. */
+      if (target != -1)
+      {
+	struct player *p = &players[target];
+	/*
+	 * if target is also in same home area, he should at least be able to
+	 * phaser the snake since the torps are already deadly
+	 */
+	if (!(p->p_x < px - 5300 || p->p_x > px + 5300 ||
+	      p->p_y < py - 5300 || p->p_y > py + 5300))
+	  return 0;
+	else
+	  return 1;
+      }
+#endif
+      return 1;
+    }
+  }
+
+  return 0;
+
+#endif
+}