/*
* 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 "commands.h"
#include "map.h"
#include "optlist.h"
#include "path.h"
-#include "empobj.h"
#include "unit.h"
+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;
+
+ 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);
+ if (QEMPTY(&ship_list)) {
+ pr("No ships\n");
+ return RET_FAIL;
+ }
+
+ 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 skip = 0;
char buf[1024];
char prompt[128];
- char scanspace[1024];
- char pathtaken[1024]; /* Doubtful we'll have a path longer than this */
+ char pathtaken[1024]; /* Doubtful we'll have a path longer than this */
char *pt = pathtaken;
char bmap_flag;
int ac;
+ int type;
- if (!snxtitem(&ni_ship, EF_SHIP, player->argp[1]))
- return RET_SYN;
- shp_sel(&ni_ship, &ship_list);
- shp_nav(&ship_list, &minmob, &maxmob, &together, player->cnum);
- if (QEMPTY(&ship_list)) {
- pr("No ships\n");
- return RET_FAIL;
- }
- leader = get_leader(&ship_list);
+ leader = get_leader(ulist);
leader_uid = leader->uid;
- pr("Flagship is %s\n", obj_nameof(leader));
+ 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, (struct shpstr *)leader, buf)))
- cp = player->argp[2];
+ cp = unit_path(*together, leader, buf, sizeof(buf));
}
*pt = '\0';
- while (!QEMPTY(&ship_list)) {
+ while (!QEMPTY(ulist)) {
char dp[80];
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;
}
- leader = get_leader(&ship_list);
+ leader = get_leader(ulist);
if (leader->uid != leader_uid) {
leader_uid = leader->uid;
pr_leader_change(leader);
}
if (!skip)
nav_map(leader->x, leader->y,
- !(mchr[(int)leader->type].m_flags & M_SUB));
+ type == EF_SHIP
+ ? !(mchr[(int)leader->type].m_flags & M_SUB) : 1);
else
skip = 0;
- sprintf(prompt, "<%.1f:%.1f: %s> ", maxmob,
- minmob, xyas(leader->x, leader->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;
}
- leader = get_leader(&ship_list);
+ leader = get_leader(ulist);
if (leader->uid != leader_uid) {
leader_uid = leader->uid;
pr_leader_change(leader);
stopping = 1;
continue;
}
- if (cp && !(cp = shp_path(together, (struct shpstr *)leader, buf)))
- cp = buf;
+ if (cp)
+ cp = unit_path(*together, leader, buf, sizeof(buf));
+ }
+ if (type == EF_SHIP) {
+ rad_map_set(player->cnum, leader->x, leader->y, leader->effic,
+ leader->tech, mchr[leader->type].m_vrnge);
}
- radmapnopr(leader->x, leader->y, (int)leader->effic,
- (int)techfact(leader->tech,
- mchr[(int)leader->type].m_vrnge),
- (mchr[(int)leader->type].m_flags & M_SONAR)
- ? techfact(leader->tech, 1.0) : 0.0);
if (cp == NULL || *cp == '\0')
cp = &dirch[DIR_STOP];
- dir = chkdir(*cp, DIR_STOP, DIR_VIEW);
+ dir = chkdir(*cp, DIR_STOP, DIR_LAST);
if (dir >= 0) {
- if (dir == DIR_VIEW)
- shp_view(&ship_list);
- else {
- stopping |= shp_nav_one_sector(&ship_list, dir, player->cnum, together);
+ 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;
}
- ac = parse(cp, player->argp, NULL, scanspace, NULL);
- if (ac <= 1) {
+ 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++;
* fall through
*/
case 'M':
- do_map(bmap_flag, EF_SHIP, player->argp[1], player->argp[2]);
+ 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(&ship_list, -1);
+ if (ac <= 1)
+ switch_leader(ulist, -1);
else
- switch_leader(&ship_list, atoi(player->argp[1]));
- leader = get_leader(&ship_list);
+ switch_leader(ulist, atoi(player->argp[1]));
+ leader = get_leader(ulist);
if (leader->uid != leader_uid) {
leader_uid = leader->uid;
pr_leader_change(leader);
}
continue;
case 'i':
- shp_list(&ship_list);
+ unit_list(ulist);
continue;
case 'm':
- stopping |= shp_sweep(&ship_list, 1, 1, player->cnum);
+ if (type == EF_SHIP)
+ stopping |= shp_sweep(ulist, 1, 1, player->cnum);
+ else {
+ lnd_sweep(ulist, 1, 1, player->cnum);
+ stopping |= lnd_check_mines(ulist);
+ }
continue;
case 'r':
- radar(EF_SHIP);
+ radar(leader->ef_type);
skip = 1;
player->btused++;
continue;
case 'l':
- look();
+ 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 == 2) {
- player->argp[2] = player->argp[1];
+ if (ac < 3) {
+ player->argp[2] = ac < 2 ? "1" : player->argp[1];
sprintf(dp, "%d", leader->uid);
player->argp[1] = dp;
}
- mine();
+ if (type == EF_SHIP)
+ mine();
+ else
+ landmine();
+ stopping = 1;
skip = 1;
player->btused++;
continue;
+ case 'v':
+ unit_view(ulist);
+ 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");
+ 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);
pr("%s\n", wmap[i]);
return RET_OK;
}
+
+static void
+pr_leader_change(struct empobj *leader)
+{
+ 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;
+
+ 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);
+}