*
* Known contributors to this file:
* Ron Koenderink, 2007
- * Markus Armbruster, 2009-2014
+ * Markus Armbruster, 2009-2015
*/
#include <config.h>
+#include <math.h>
#include "file.h"
#include "map.h"
#include "optlist.h"
}
}
-static void
-pr_leader_change(struct empobj *leader)
+void
+unit_rad_map_set(struct emp_qelem *list)
{
- pr("Changing %s to %s\n",
- leader->ef_type == EF_SHIP ? "flagship" : "leader",
- unit_nameof(leader));
+ struct emp_qelem *qp;
+ struct empobj *unit;
+
+ for (qp = list->q_back; qp != list; qp = qp->q_back) {
+ unit = &((struct ulist *)qp)->unit.gen;
+ rad_map_set(unit->own, unit->x, unit->y, unit->effic, unit->tech,
+ unit->ef_type == EF_SHIP
+ ? mchr[unit->type].m_vrnge : lchr[unit->type].l_spy);
+ }
}
static struct empobj *
}
static void
-switch_leader(struct emp_qelem *list, int uid)
+switch_leader(struct emp_qelem *list, char *arg)
{
+ int uid = arg ? atoi(arg) : -1;
+
struct emp_qelem *qp, *save;
struct ulist *ulp;
} while (list->q_back != save);
}
-int
-unit_move(struct emp_qelem *ulist, double *minmob, double *maxmob)
+static char *
+unit_move_parse(char *cp, char *arg1_default)
{
- char *cp = NULL;
- int leader_uid;
- struct empobj *leader;
- int dir;
- int stopping = 0;
- int skip = 0;
- int moved = 0;
- char buf[1024];
- char prompt[128];
- char bmap_flag;
int ac;
- int type;
- leader = get_leader(ulist);
- leader_uid = leader->uid;
- type = leader->ef_type;
+ ac = parse(cp, player->argbuf, player->argp, NULL, NULL, NULL);
+ if (CANT_HAPPEN(ac <= 0)) {
+ player->argp[0] = "";
+ return "";
+ }
+ if (ac == 1) {
+ player->argp[1] = arg1_default;
+ return cp + 1;
+ }
+ return "";
+}
+
+static char *
+unit_move_non_dir(struct emp_qelem *list, char *cp, int *map_shown)
+{
+ struct empobj *leader = get_leader(list);
+ int bmap = 0, stopping;
+ char leader_str[32];
+
+ *map_shown = 0;
+ sprintf(leader_str, "%d", leader->uid);
+
+ switch (*cp) {
+ case 'B':
+ bmap = 'b';
+ /* fall through */
+ case 'M':
+ cp = unit_move_parse(cp, leader_str);
+ display_region_map(bmap, leader->ef_type, leader->x, leader->y,
+ player->argp[1], player->argp[2]);
+ *map_shown = 1;
+ break;
+ case 'f':
+ cp = unit_move_parse(cp, NULL);
+ switch_leader(list, player->argp[1]);
+ break;
+ case 'i':
+ cp++;
+ unit_list(list);
+ break;
+ case 'm':
+ cp++;
+ if (leader->ef_type == EF_SHIP)
+ stopping = shp_sweep(list, 1, 1, player->cnum);
+ else
+ stopping = lnd_sweep(list, 1, 1, player->cnum);
+ if (stopping)
+ cp = "";
+ break;
+ case 'r':
+ cp = unit_move_parse(cp, leader_str);
+ radar(leader->ef_type);
+ player->btused++; /* FIXME use player_coms[].c_cost */
+ *map_shown = 1;
+ break;
+ case 'l':
+ cp = unit_move_parse(cp, leader_str);
+ do_look(leader->ef_type);
+ player->btused++; /* FIXME likewise */
+ break;
+ case 's':
+ if (leader->ef_type != EF_SHIP)
+ return NULL;
+ cp = unit_move_parse(cp, leader_str);
+ sona();
+ player->btused++; /* FIXME likewise */
+ *map_shown = 1;
+ break;
+ case 'd':
+ cp = unit_move_parse(cp, NULL);
+ if (!player->argp[1]) {
+ player->argp[1] = leader_str;
+ player->argp[2] = "1";
+ } else if (!player->argp[2]) {
+ player->argp[2] = player->argp[1];
+ player->argp[1] = leader_str;
+ }
+ if (leader->ef_type == EF_SHIP)
+ mine();
+ else
+ landmine();
+ player->btused++; /* FIXME likewise */
+ *map_shown = 1;
+ break;
+ case 'v':
+ cp++;
+ unit_view(list);
+ break;
+ default:
+ return NULL;
+ }
+
+ return cp;
+}
+
+static char *
+unit_move_getpath(struct emp_qelem *list, int suppress_map, char *path)
+{
+ struct empobj *leader = get_leader(list);
+ double minmob, maxmob;
+ struct emp_qelem *qp;
+ struct ulist *ulp;
+ char prompt[64];
+
+ minmob = HUGE_VAL;
+ maxmob = -HUGE_VAL;
+ for (qp = list->q_back; qp != list; qp = qp->q_back) {
+ ulp = (struct ulist *)qp;
+ if (ulp->mobil < minmob)
+ minmob = ulp->mobil;
+ if (ulp->mobil > maxmob)
+ maxmob = ulp->mobil;
+ }
+ if (!suppress_map)
+ nav_map(leader->x, leader->y,
+ leader->ef_type == EF_SHIP
+ ? !(mchr[leader->type].m_flags & M_SUB) : 1);
+ snprintf(prompt, sizeof(prompt), "<%.1f:%.1f: %s> ",
+ maxmob, minmob,
+ xyas(leader->x, leader->y, player->cnum));
+ return getstring(prompt, path);
+}
+
+int
+unit_move(struct emp_qelem *list)
+{
+ struct empobj *leader = get_leader(list);
+ int leader_uid = leader->uid;
+ int type = leader->ef_type;
+ int moved, suppress_map, dir, stopping;
+ char *cp;
+ char path[1024];
+
+ unit_rad_map_set(list);
+
pr("%s is %s\n",
type == EF_SHIP ? "Flagship" : "Leader",
unit_nameof(leader));
+ cp = "";
if (player->argp[2]) {
- strcpy(buf, player->argp[2]);
- cp = unit_path(leader, buf, sizeof(buf));
+ strcpy(path, player->argp[2]);
+ cp = unit_path(leader, path, sizeof(path));
+ if (!cp)
+ cp = "";
}
- while (!QEMPTY(ulist)) {
- char dp[80];
-
- if (cp == NULL || *cp == '\0' || stopping) {
- stopping = 0;
- if (type == EF_SHIP)
- shp_nav(ulist, minmob, maxmob, player->cnum);
- else
- lnd_mar(ulist, minmob, maxmob, player->cnum);
- if (QEMPTY(ulist)) {
- pr("No %s left\n", type == EF_SHIP ? "ships" : "lands");
- return RET_OK;
- }
- leader = get_leader(ulist);
- if (leader->uid != leader_uid) {
- leader_uid = leader->uid;
- pr_leader_change(leader);
- stopping = 1;
- continue;
- }
- if (!skip)
- 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(leader->x, leader->y, player->cnum));
- cp = getstring(prompt, buf);
- /* Just in case any of our units were shelled while we were
- * at the prompt, we call shp_nav() or lnd_mar() again.
- */
- if (type == EF_SHIP)
- shp_nav(ulist, minmob, maxmob, player->cnum);
- else
- lnd_mar(ulist, minmob, maxmob, player->cnum);
- if (QEMPTY(ulist)) {
- pr("No %s left\n", type == EF_SHIP ? "ships" : "lands");
- return RET_OK;
- }
- 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(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);
- }
- if (cp == NULL || *cp == '\0')
- cp = &dirch[DIR_STOP];
- dir = chkdir(*cp, DIR_STOP, DIR_LAST);
- if (dir >= 0) {
+ moved = suppress_map = 0;
+ for (;;) {
+ /*
+ * Invariants:
+ * - shp_may_nav() true for all ships
+ * - lnd_may_mar() true for all land units
+ * - leader is up-to-date
+ * Implies all are in the same sector
+ */
+ if (!*cp) {
+ cp = unit_move_getpath(list, suppress_map, path);
+ if (!cp)
+ return RET_FAIL;
+ cp = unit_path(leader, path, sizeof(path));
+ if (!cp || !*cp)
+ cp = "h";
+ suppress_map = 0;
+ } else if ((dir = chkdir(*cp, DIR_STOP, DIR_LAST)) >= 0) {
+ cp++;
if (type == EF_SHIP)
- stopping |= shp_nav_one_sector(ulist, dir, player->cnum);
+ stopping = shp_nav_one_sector(list, dir, player->cnum);
else {
- if (!moved && !lnd_abandon_askyn(ulist))
+ if (!moved && !lnd_abandon_askyn(list))
return RET_FAIL;
- stopping |= lnd_mar_one_sector(ulist, dir, player->cnum);
+ stopping = lnd_mar_one_sector(list, dir, player->cnum);
}
+ if (dir == DIR_STOP)
+ return RET_OK;
moved = 1;
- cp++;
- continue;
- }
- 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);
- }
- continue;
- case 'i':
- unit_list(ulist);
- continue;
- case 'm':
- if (type == EF_SHIP)
- stopping |= shp_sweep(ulist, 1, 1, player->cnum);
- else {
- stopping |= lnd_sweep(ulist, 1, 1, player->cnum);
- }
- continue;
- case 'r':
- radar(leader->ef_type);
- skip = 1;
- player->btused++;
- 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 (stopping)
+ cp = "";
+ } else {
+ cp = unit_move_non_dir(list, cp, &suppress_map);
+ if (!cp) {
+ 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");
+ cp = "";
}
- 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", 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 (type == EF_SHIP)
+ shp_nav(list, player->cnum);
+ else
+ lnd_mar(list, player->cnum);
+
+ if (QEMPTY(list)) {
+ pr("No %s left\n", type == EF_SHIP ? "ships" : "lands");
+ return RET_OK;
+ }
+
+ leader = get_leader(list);
+ if (leader->uid != leader_uid) {
+ leader_uid = leader->uid;
+ pr("Changing %s to %s\n",
+ leader->ef_type == EF_SHIP ? "flagship" : "leader",
+ unit_nameof(leader));
+ }
+ unit_rad_map_set(list);
}
- return RET_OK;
}
/*
projects / empserver / blobdiff