/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2014, 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/>.
*
* ---
*
*
* Known contributors to this file:
* Ron Koenderink, 2007
- * Markus Armbruster, 2008
+ * Markus Armbruster, 2009-2013
*/
#include <config.h>
-#include "empobj.h"
#include "file.h"
+#include "path.h"
#include "player.h"
#include "optlist.h"
#include "prototypes.h"
#include "unit.h"
+char *
+unit_nameof(struct empobj *gp)
+{
+ switch (gp->ef_type) {
+ case EF_SHIP:
+ return prship((struct shpstr *)gp);
+ case EF_PLANE:
+ return prplane((struct plnstr *)gp);
+ case EF_LAND:
+ return prland((struct lndstr *)gp);
+ case EF_NUKE:
+ return prnuke((struct nukstr *)gp);
+ }
+ CANT_REACH();
+ return "The Beast #666";
+}
+
void
unit_list(struct emp_qelem *unit_list)
{
return;
qp = unit_list->q_back;
ulp = (struct ulist *)qp;
- type = ulp->unit.ef_type;
+ type = ulp->unit.gen.ef_type;
if (CANT_HAPPEN(type != EF_LAND && type != EF_SHIP))
return;
if (type == EF_LAND)
- pr("lnd# land type x,y a eff sh gun xl mu tech retr\n");
+ pr("lnd# land type x,y a eff mil sh gun xl ln mu tech retr\n");
else
- pr("shp# ship type x,y fl eff mil sh gun pn he xl ln mob tech\n");
+ pr("shp# ship type x,y fl eff mil sh gun pn he xl ln mob tech\n");
for (; qp != unit_list; qp = next) {
next = qp->q_back;
continue;
pr("%4d ", unit->uid);
pr("%-16.16s ", empobj_chr_name(unit));
- prxy("%4d,%-4d ", unit->x, unit->y, unit->own);
+ prxy("%4d,%-4d ", unit->x, unit->y);
pr("%1.1s", &unit->group);
pr("%4d%%", unit->effic);
if (type == EF_LAND) {
+ pr("%4d", lnd->lnd_item[I_MILIT]);
pr("%4d", lnd->lnd_item[I_SHELL]);
pr("%4d", lnd->lnd_item[I_GUN]);
- pr("%3d", lnd_nxlight(lnd));
+ pr("%3d%3d", lnd_nxlight(lnd), lnd_nland(lnd));
} else {
pr("%4d", shp->shp_item[I_MILIT]);
pr("%4d", shp->shp_item[I_SHELL]);
&& unit->ef_type != EF_SHIP))
continue;
if (actor) {
- mpr(actor, "%s stopped at %s\n", obj_nameof(unit),
- xyas(unit->x, unit->y, unit->own));
+ mpr(actor, "%s stopped at %s\n", unit_nameof(unit),
+ xyas(unit->x, unit->y, actor));
if (unit->ef_type == EF_LAND) {
if (ulp->mobil < -127)
ulp->mobil = -127;
}
char *
-unit_path(int together, struct empobj *unit, char *buf)
+unit_path(int together, struct empobj *unit, char *buf, size_t bufsz)
{
coord destx;
coord desty;
- struct sctstr d_sect, sect;
- char *cp;
- double dummy;
+ struct sctstr sect;
+ size_t len;
+ double c;
int mtype;
if (CANT_HAPPEN(unit->ef_type != EF_LAND && unit->ef_type != EF_SHIP))
return NULL;
if (!sarg_xy(buf, &destx, &desty))
- return NULL;
+ return buf;
if (!together) {
pr("Cannot go to a destination sector if not all starting in the same sector\n");
return NULL;
}
- if (!getsect(destx, desty, &d_sect)) {
- pr("%d,%d is not a sector\n", destx, desty);
- return NULL;
- }
if (unit->ef_type == EF_SHIP) {
- cp = BestShipPath(buf, unit->x, unit->y,
- d_sect.sct_x, d_sect.sct_y, player->cnum);
- if (!cp || unit->mobil <= 0) {
+ c = path_find(unit->x, unit->y, destx, desty,
+ player->cnum, MOB_SAIL);
+ if (c < 0 || unit->mobil <= 0) {
pr("Can't get to '%s' right now.\n",
- xyas(d_sect.sct_x, d_sect.sct_y, player->cnum));
+ xyas(destx, desty, player->cnum));
return NULL;
}
} else {
getsect(unit->x, unit->y, §);
mtype = lnd_mobtype((struct lndstr *)unit);
- cp = BestLandPath(buf, §, &d_sect, &dummy, mtype);
- if (!cp) {
+ /*
+ * Note: passing sect.sct_own for actor is funny, but works:
+ * its only effect is to confine the search to that nation's
+ * land. It doesn't affect mobility costs. The real actor is
+ * different for marching in allied land, and passing it would
+ * break path finding there.
+ */
+ c = path_find(unit->x, unit->y, destx, desty, sect.sct_own, mtype);
+ if (c < 0) {
pr("No owned %s from %s to %s!\n",
mtype == MOB_RAIL ? "railway" : "path",
xyas(unit->x, unit->y, player->cnum),
- xyas(d_sect.sct_x, d_sect.sct_y, player->cnum));
+ xyas(destx, desty, player->cnum));
return NULL;
}
- pr("Using path '%s'\n", cp);
}
- return cp;
+ len = path_find_route(buf, bufsz, unit->x, unit->y, destx, desty);
+ if (len == 0 || unit->ef_type == EF_LAND) {
+ if (len + 1 < bufsz)
+ strcpy(buf + len, "h");
+ len++;
+ }
+ if (len >= bufsz) {
+ pr("Can't handle path to %s, it's too long, sorry\n",
+ xyas(destx, desty, player->cnum));
+ return NULL;
+ }
+ if (unit->ef_type == EF_LAND)
+ pr("Using path '%s'\n", buf);
+ return buf;
}
void
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
ulp = (struct ulist *)qp;
- if (CANT_HAPPEN(!(ef_flags(ulp->unit.ef_type) & EFF_XY)))
+ if (CANT_HAPPEN(!(ef_flags(ulp->unit.gen.ef_type) & EFF_XY)))
continue;
getsect(ulp->unit.gen.x, ulp->unit.gen.y, §);
- if (ulp->unit.ef_type == EF_SHIP) {
+ if (ulp->unit.gen.ef_type == EF_SHIP) {
if (((struct mchrstr *)ulp->chrp)->m_flags & M_FOOD)
pr("[fert:%d] ", sect.sct_fertil);
if (((struct mchrstr *)ulp->chrp)->m_flags & M_OIL)
pr("[oil:%d] ", sect.sct_oil);
}
- pr("%s @ %s %d%% %s\n", obj_nameof(&ulp->unit.gen),
- xyas(ulp->unit.gen.x, ulp->unit.gen.y, player->cnum),
- sect.sct_effic, dchr[sect.sct_type].d_name);
+ pr("%s @ %s %d%% %s\n", unit_nameof(&ulp->unit.gen),
+ xyas(ulp->unit.gen.x, ulp->unit.gen.y, player->cnum),
+ sect.sct_effic, dchr[sect.sct_type].d_name);
+ }
+}
+
+/*
+ * Teleport UNIT to X,Y.
+ * If UNIT's mission op-area is centered on it, keep it centered.
+ */
+void
+unit_teleport(struct empobj *unit, coord x, coord y)
+{
+ if (unit->opx == unit->x && unit->opy == unit->y) {
+ unit->opx = x;
+ unit->opy = y;
}
+ unit->x = x;
+ unit->y = y;
}
/*
* nukes).
* Else update their location to the carrier's. Any op sectors equal
* to location get updated, too.
+ * Return number of units updated.
*/
-void
+int
unit_update_cargo(struct empobj *carrier)
{
int cargo_type;
struct nstr_item ni;
union empobj_storage obj;
+ int n = 0;
for (cargo_type = EF_PLANE; cargo_type <= EF_NUKE; cargo_type++) {
snxtitem_cargo(&ni, cargo_type, carrier->ef_type, carrier->uid);
while (nxtitem(&ni, &obj)) {
- if (!carrier->own) {
- mpr(obj.gen.own, "%s lost!\n", obj_nameof(&obj.gen));
+ if (carrier->own)
+ unit_teleport(&obj.gen, carrier->x, carrier->y);
+ else {
+ mpr(obj.gen.own, "%s lost!\n", unit_nameof(&obj.gen));
obj.gen.effic = 0;
- } else {
- /* mission op-area centered on the obj travels with it */
- if (obj.gen.opx == obj.gen.x && obj.gen.opy == obj.gen.y) {
- obj.gen.opx = carrier->x;
- obj.gen.opy = carrier->y;
- }
- obj.gen.x = carrier->x;
- obj.gen.y = carrier->y;
}
put_empobj(cargo_type, obj.gen.uid, &obj);
+ n++;
}
}
+ return n;
}
/*
break;
}
mpr(cargo.gen.own, "%s transferred off %s %d to %s\n",
- obj_nameof(&cargo.gen),
+ unit_nameof(&cargo.gen),
ef_nameof(unit->ef_type), unit->uid,
xyas(cargo.gen.x, cargo.gen.y, cargo.gen.own));
if (newown)
if (giver) {
mpr(unit->own, "%s given to %s\n",
- obj_nameof(unit), cname(recipient));
+ unit_nameof(unit), cname(recipient));
mpr(recipient, "%s given to you by %s\n",
- obj_nameof(unit), cname(giver));
+ unit_nameof(unit), cname(giver));
}
unit->own = recipient;
projects / empserver / blobdiff