/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* ---
*
* ship.c: Ship pre-write data massage
- *
+ *
* Known contributors to this file:
* Dave Pare, 1989
* Steve McClure, 1996
+ * Markus Armbruster, 2004-2008
*/
#include <config.h>
#include "file.h"
-#include "land.h"
#include "lost.h"
#include "misc.h"
-#include "nsc.h"
#include "optlist.h"
-#include "plane.h"
#include "player.h"
#include "prototypes.h"
#include "ship.h"
+#include "unit.h"
-int
+void
shp_postread(int n, void *ptr)
{
struct shpstr *sp = ptr;
if (opt_MOB_ACCESS)
shp_do_upd_mob(sp);
player->owner = (player->god || sp->shp_own == player->cnum);
- return 1;
}
-int
-shp_prewrite(int n, void *ptr)
+void
+shp_prewrite(int n, void *old, void *new)
{
- struct shpstr *sp = ptr;
- struct shpstr ship;
- struct lndstr *lp;
- struct plnstr *pp;
- int i;
-
- sp->ef_type = EF_SHIP;
- sp->shp_uid = n;
-
- time(&sp->shp_timestamp);
-
- if (sp->shp_own != 0 && sp->shp_effic < SHIP_MINEFF) {
- mpr(sp->shp_own, "\t%s sunk!\n", prship(sp));
- makelost(EF_SHIP, sp->shp_own, sp->shp_uid, sp->shp_x, sp->shp_y);
- sp->shp_own = 0;
+ struct shpstr *oldsp = old;
+ struct shpstr *sp = new;
+ natid own = sp->shp_effic < SHIP_MINEFF ? 0 : sp->shp_own;
- getship(n, &ship);
-
- for (i = 0; NULL != (lp = getlandp(i)); i++) {
- if (lp->lnd_own && lp->lnd_ship == n) {
- mpr(lp->lnd_own, "%s sunk!\n", prland(lp));
- lp->lnd_effic = 0;
- lp->lnd_ship = -1;
- lp->lnd_land = -1;
- putland(lp->lnd_uid, lp);
- }
- }
- for (i = 0; NULL != (pp = getplanep(i)); i++) {
- if (pp->pln_own && pp->pln_ship == n) {
- mpr(pp->pln_own, "%s sunk!\n", prplane(pp));
- pp->pln_effic = 0;
- pp->pln_ship = -1;
- pp->pln_land = -1;
- putplane(pp->pln_uid, pp);
- }
- }
- } else {
- item_prewrite(sp->shp_item);
- getship(n, &ship);
+ if (!own) {
+ sp->shp_effic = 0;
+ if (sp->shp_own)
+ mpr(sp->shp_own, "\t%s sunk!\n", prship(sp));
}
+ item_prewrite(sp->shp_item);
- return 1;
-}
-
-void
-shp_init(int n, void *ptr)
-{
- struct shpstr *sp = ptr;
+ /* We've avoided assigning to sp->shp_own, in case oldsp == sp */
+ if (oldsp->shp_own != own)
+ lost_and_found(EF_SHIP, oldsp->shp_own, own,
+ sp->shp_uid, sp->shp_x, sp->shp_y);
- sp->ef_type = EF_SHIP;
- sp->shp_uid = n;
- sp->shp_own = 0;
+ sp->shp_own = own;
+ if (!own || sp->shp_x != oldsp->shp_x || sp->shp_y != oldsp->shp_y)
+ unit_update_cargo((struct empobj *)sp);
}
char *