/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* navi.c: Navigate ships and such
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995 (rewritten)
+ * Ron Koenderink, 2006-2007
+ * Markus Armbruster, 2006-2011
*/
#include <config.h>
-#include <ctype.h>
-#include "misc.h"
-#include "player.h"
-#include "ship.h"
-#include "sect.h"
-#include "xy.h"
-#include "nsc.h"
-#include "nat.h"
-#include "path.h"
-#include "file.h"
-#include "map.h"
#include "commands.h"
+#include "map.h"
#include "optlist.h"
+#include "path.h"
+#include "unit.h"
-static int set_flagship(struct emp_qelem *list, struct shpstr **flagshipp);
+static void pr_leader_change(struct empobj *leader);
+static struct empobj *get_leader(struct emp_qelem *list);
+static void switch_leader(struct emp_qelem *list, int uid);
int
navi(void)
struct emp_qelem ship_list;
double minmob, maxmob;
int together;
- char *cp = 0;
- struct shpstr *shp = 0; /* flagship */
- struct nstr_sect ns;
- char origin;
- int dir;
- int stopping = 0;
- int skip = 0;
- char buf[1024];
- char prompt[128];
- char pathtaken[1024]; /* Doubtful we'll have a path longer than this */
- char *pt = pathtaken;
- if (!snxtitem(&ni_ship, EF_SHIP, player->argp[1]))
+ if (!snxtitem(&ni_ship, EF_SHIP, player->argp[1], NULL))
return RET_SYN;
shp_sel(&ni_ship, &ship_list);
shp_nav(&ship_list, &minmob, &maxmob, &together, player->cnum);
pr("No ships\n");
return RET_FAIL;
}
- set_flagship(&ship_list, &shp);
+
+ return do_unit_move(&ship_list, &together, &minmob, &maxmob);
+}
+
+int
+do_unit_move(struct emp_qelem *ulist, int *together,
+ double *minmob, double *maxmob)
+{
+ char *cp = NULL;
+ int leader_uid;
+ struct empobj *leader;
+ int dir;
+ int stopping = 0;
+ int skip = 0;
+ char buf[1024];
+ char prompt[128];
+ char pathtaken[1024]; /* Doubtful we'll have a path longer than this */
+ char *pt = pathtaken;
+ char bmap_flag;
+ int ac;
+ int type;
+
+ leader = get_leader(ulist);
+ leader_uid = leader->uid;
+ type = leader->ef_type;
+ pr("%s is %s\n",
+ type == EF_SHIP ? "Flagship" : "Leader",
+ unit_nameof(leader));
+
if (player->argp[2]) {
strcpy(buf, player->argp[2]);
- if (!(cp = shp_path(together, shp, buf)))
- cp = player->argp[2];
+ cp = unit_path(*together, leader, buf, sizeof(buf));
}
*pt = '\0';
- while (!QEMPTY(&ship_list)) {
- char *bp, dp[80];
+ while (!QEMPTY(ulist)) {
+ char dp[80];
- if (cp == 0 || *cp == '\0' || stopping) {
+ if (cp == NULL || *cp == '\0' || stopping) {
stopping = 0;
- shp_nav(&ship_list, &minmob, &maxmob, &together, player->cnum);
- if (QEMPTY(&ship_list)) {
- pr("No ships left\n");
- if (strlen(pathtaken) > 0) {
+ if (type == EF_SHIP)
+ shp_nav(ulist, minmob, maxmob, together, player->cnum);
+ else
+ lnd_mar(ulist, minmob, maxmob, together, player->cnum);
+ if (QEMPTY(ulist)) {
+ pr("No %s left\n", type == EF_SHIP ? "ships" : "lands");
+ if (type == EF_SHIP && strlen(pathtaken) > 1) {
pathtaken[strlen(pathtaken) - 1] = '\0';
- if (strlen(pathtaken) > 0)
- pr("Path taken: %s\n", pathtaken);
+ pr("Path taken: %s\n", pathtaken);
}
return RET_OK;
}
- if (set_flagship(&ship_list, &shp)) {
+ leader = get_leader(ulist);
+ if (leader->uid != leader_uid) {
+ leader_uid = leader->uid;
+ pr_leader_change(leader);
stopping = 1;
continue;
}
if (!skip)
- nav_map(shp->shp_x, shp->shp_y,
- !(mchr[(int)shp->shp_type].m_flags & M_SUB));
+ nav_map(leader->x, leader->y,
+ type == EF_SHIP
+ ? !(mchr[(int)leader->type].m_flags & M_SUB) : 1);
else
skip = 0;
- sprintf(prompt, "<%.1f:%.1f: %s> ", maxmob,
- minmob, xyas(shp->shp_x, shp->shp_y, player->cnum));
+ sprintf(prompt, "<%.1f:%.1f: %s> ", *maxmob,
+ *minmob, xyas(leader->x, leader->y, player->cnum));
cp = getstring(prompt, buf);
- /* Just in case any of our ships were shelled while we were at the
- * prompt, we call shp_nav() again.
+ /* Just in case any of our units were shelled while we were
+ * at the prompt, we call shp_nav() or lnd_mar() again.
*/
- shp_nav(&ship_list, &minmob, &maxmob, &together, player->cnum);
- if (QEMPTY(&ship_list)) {
- pr("No ships left\n");
- if (strlen(pathtaken) > 0) {
+ if (type == EF_SHIP)
+ shp_nav(ulist, minmob, maxmob, together, player->cnum);
+ else
+ lnd_mar(ulist, minmob, maxmob, together, player->cnum);
+ if (QEMPTY(ulist)) {
+ pr("No %s left\n", type == EF_SHIP ? "ships" : "lands");
+ if (type == EF_SHIP && strlen(pathtaken) > 1) {
pathtaken[strlen(pathtaken) - 1] = '\0';
- if (strlen(pathtaken) > 0)
- pr("Path taken: %s\n", pathtaken);
+ pr("Path taken: %s\n", pathtaken);
}
return RET_OK;
}
- if (set_flagship(&ship_list, &shp)) {
+ leader = get_leader(ulist);
+ if (leader->uid != leader_uid) {
+ leader_uid = leader->uid;
+ pr_leader_change(leader);
stopping = 1;
continue;
}
+ if (cp)
+ cp = unit_path(*together, leader, buf, sizeof(buf));
}
- radmapnopr(shp->shp_x, shp->shp_y, (int)shp->shp_effic,
- (int)techfact(shp->shp_tech,
- mchr[(int)shp->shp_type].m_vrnge),
- (mchr[(int)shp->shp_type].m_flags & M_SONAR)
- ? techfact(shp->shp_tech, 1.0) : 0.0);
- if (cp == 0 || *cp == '\0')
+ if (type == EF_SHIP) {
+ rad_map_set(player->cnum, leader->x, leader->y, leader->effic,
+ leader->tech, mchr[leader->type].m_vrnge);
+ }
+ if (cp == NULL || *cp == '\0')
cp = &dirch[DIR_STOP];
- if (*cp == 'M' ||
- *cp == 'B' || *cp == 'f' || *cp == 'i' || *cp == 'm') {
- ++cp;
- if (cp[-1] == 'M') {
- unit_map(EF_SHIP, shp->shp_uid, &ns, &origin);
- draw_map(0, origin, MAP_SHIP, &ns);
- skip = 1;
- } else if (cp[-1] == 'B') {
- unit_map(EF_SHIP, shp->shp_uid, &ns, &origin);
- draw_map('b', origin, MAP_SHIP, &ns);
- skip = 1;
- } else if (cp[-1] == 'f') {
- struct emp_qelem *qp;
- qp = ship_list.q_back;
- emp_remque(ship_list.q_back);
- emp_insque(qp, &ship_list);
- set_flagship(&ship_list, &shp);
- } else if (cp[-1] == 'i') {
- shp_list(&ship_list);
- } else {
- stopping |= shp_sweep(&ship_list, 1, player->cnum);
- }
+ dir = chkdir(*cp, DIR_STOP, DIR_LAST);
+ if (dir >= 0) {
+ if (type == EF_SHIP) {
+ stopping |= shp_nav_one_sector(ulist, dir,
+ player->cnum, *together);
+ if (stopping != 2) {
+ *pt++ = dirch[dir];
+ *pt = '\0';
+ }
+ } else
+ stopping |=
+ lnd_mar_one_sector(ulist, dir, player->cnum,
+ *together);
+ cp++;
continue;
- } else if (*cp == 'r' || *cp == 'l' || *cp == 's') {
- for (bp = cp + 1; *bp && !isspace(*bp); bp++) ;
- for (; *bp && isspace(*bp); bp++) ;
- if (*bp)
- player->argp[1] = bp;
- else {
- sprintf(dp, "%d", shp->shp_uid);
- player->argp[1] = dp;
+ }
+ ac = parse(cp, player->argbuf, player->argp, NULL, NULL, NULL);
+ if (ac <= 0) {
+ player->argp[0] = "";
+ cp = NULL;
+ } else if (ac == 1) {
+ sprintf(dp, "%d", leader->uid);
+ player->argp[1] = dp;
+ cp++;
+ } else
+ cp = NULL;
+ bmap_flag = 0;
+ switch (*player->argp[0]) {
+ case 'B':
+ bmap_flag = 'b';
+ /*
+ * fall through
+ */
+ case 'M':
+ display_region_map(bmap_flag, type, leader->x, leader->y,
+ player->argp[1], player->argp[2]);
+ skip = 1;
+ continue;
+ case 'f':
+ if (ac <= 1)
+ switch_leader(ulist, -1);
+ else
+ switch_leader(ulist, atoi(player->argp[1]));
+ leader = get_leader(ulist);
+ if (leader->uid != leader_uid) {
+ leader_uid = leader->uid;
+ pr_leader_change(leader);
}
- if (*cp++ == 'r') {
- rada();
- skip = 1;
- } else if (cp[-1] == 'l')
- look();
+ continue;
+ case 'i':
+ unit_list(ulist);
+ continue;
+ case 'm':
+ if (type == EF_SHIP)
+ stopping |= shp_sweep(ulist, 1, 1, player->cnum);
else {
- player->argp[2] = 0;
- sona();
- skip = 1;
+ lnd_sweep(ulist, 1, 1, player->cnum);
+ stopping |= lnd_check_mines(ulist);
}
- *cp = 0;
+ continue;
+ case 'r':
+ radar(leader->ef_type);
+ skip = 1;
player->btused++;
continue;
- } else {
- dir = chkdir(*cp++, DIR_STOP, DIR_VIEW);
- if (dir < 0) {
- if (NULL != (cp = shp_path(together, shp, buf)))
- continue;
- direrr("`%c' to stop", ", `%c' to view, ", 0);
- pr("`i' to list ships, `f' to change flagship,\n");
- pr("`r' to radar, `s' to sonar, `l' to look, `M' to map, `B' to bmap,\n");
- pr("and `m' to minesweep\n");
- stopping = 1;
- continue;
- } else if (dir == DIR_VIEW) {
- shp_view(&ship_list);
- continue;
+ case 'l':
+ do_look(type);
+ player->btused++;
+ continue;
+ case 's':
+ if (leader->ef_type != EF_SHIP)
+ break;
+ sona();
+ player->btused++;
+ skip = 1;
+ continue;
+ case 'd':
+ if (ac < 3) {
+ player->argp[2] = ac < 2 ? "1" : player->argp[1];
+ sprintf(dp, "%d", leader->uid);
+ player->argp[1] = dp;
}
+ if (type == EF_SHIP)
+ mine();
+ else
+ landmine();
+ stopping = 1;
+ skip = 1;
+ player->btused++;
+ continue;
+ case 'v':
+ unit_view(ulist);
+ continue;
}
- stopping |=
- shp_nav_one_sector(&ship_list, dir, player->cnum, together);
- if (stopping != 2) {
- *pt++ = dirch[dir];
- *pt = '\0';
- }
+ direrr("`%c' to stop", ", `%c' to view", NULL);
+ pr(", `i' to list %s, `f' to change %s,\n",
+ type == EF_SHIP ? "ships" : "units",
+ type == EF_SHIP ? "flagship" : "leader");
+ pr("`r' to radar, %s`l' to look, `M' to map, `B' to bmap,\n",
+ type == EF_SHIP ? "`s' to sonar, " : "");
+ pr("`d' to drop mines, and `m' to minesweep\n");
+ stopping = 1;
}
- if (strlen(pathtaken) > 0) {
+ if (type == EF_SHIP && strlen(pathtaken) > 1) {
pathtaken[strlen(pathtaken) - 1] = '\0';
- if (strlen(pathtaken) > 0)
- pr("Path taken: %s\n", pathtaken);
+ pr("Path taken: %s\n", pathtaken);
}
return RET_OK;
}
{
char *ptr;
struct nstr_sect ns;
- struct natstr *np;
struct sctstr sect;
- struct range range;
int i;
/* Note this is not re-entrant anyway, so we keep the buffers
around */
- static unsigned char *bitmap = NULL;
static char *wmapbuf = NULL;
static char **wmap = NULL;
int changed = 0;
wmap = NULL;
}
}
- if (!bitmap)
- bitmap = malloc((WORLD_X * WORLD_Y) / 8);
- if (!wmapbuf || !wmap || !bitmap) {
+ if (!wmapbuf || !wmap) {
pr("Memory error, tell the deity.\n");
logerror("malloc failed in navi\n");
return RET_FAIL;
}
- memset(bitmap, 0, (WORLD_X * WORLD_Y) / 8);
snxtsct_dist(&ns, x, y, 1);
- np = getnatp(player->cnum);
- xyrelrange(np, &ns.range, &range);
blankfill(wmapbuf, &ns.range, 1);
while (nxtsct(&ns, §)) {
ptr = &wmap[ns.dy][ns.dx];
* in which case they'll see that.
* --ts
*/
- *ptr = player->bmap[sctoff(sect.sct_x, sect.sct_y)];
+ *ptr = player->bmap[sect.sct_uid];
}
if (changed)
writemap(player->cnum);
return RET_OK;
}
-static int
-set_flagship(struct emp_qelem *list, struct shpstr **flagshipp)
+static void
+pr_leader_change(struct empobj *leader)
{
- struct mlist *mlp = (struct mlist *)(list->q_back);
+ pr("Changing %s to %s\n",
+ leader->ef_type == EF_SHIP ? "flagship" : "leader",
+ unit_nameof(leader));
+}
+
+static struct empobj *
+get_leader(struct emp_qelem *list)
+{
+ return &((struct ulist *)(list->q_back))->unit.gen;
+}
+
+static void
+switch_leader(struct emp_qelem *list, int uid)
+{
+ struct emp_qelem *qp, *save;
+ struct ulist *ulp;
+
+ if (QEMPTY(list))
+ return;
- if (!*flagshipp)
- pr("Flagship is ");
- else if ((*flagshipp)->shp_uid != mlp->ship.shp_uid)
- pr("Changing flagship to ");
- else
- return 0;
- *flagshipp = &mlp->ship;
- pr("%s\n", prship(&mlp->ship));
- return 1;
+ save = qp = list->q_back;
+ do {
+ emp_remque(qp);
+ emp_insque(qp, list);
+ qp = list->q_back;
+ ulp = (struct ulist *)qp;
+ if (ulp->unit.gen.uid == uid || uid == -1)
+ break;
+ } while (list->q_back != save);
}
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