server/src/common/items/seed.c

100 lines
2.3 KiB
C

/* vi: set ts=2:
+-------------------+ Christian Schlittchen <corwin@amber.kn-bremen.de>
| | Enno Rehling <enno@eressea-pbem.de>
| Eressea PBEM host | Katja Zedel <katze@felidae.kn-bremen.de>
| (c) 1998 - 2003 | Henning Peters <faroul@beyond.kn-bremen.de>
| | Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
+-------------------+ Stefan Reich <reich@halbling.de>
This program may not be used, modified or distributed
without prior permission by the authors of Eressea.
*/
#include <config.h>
#include <eressea.h>
#include "seed.h"
#include <build.h>
#include <region.h>
/* kernel includes */
#include <item.h>
/* util includes */
#include <functions.h>
/* libc includes */
#include <assert.h>
resource_type * rt_seed = 0;
resource_type * rt_mallornseed = 0;
static void
produce_seeds(region * r, const resource_type * rtype, int norders)
{
assert(rtype==rt_seed && r->land && r->land->trees[0] >= norders);
r->land->trees[0] -= norders;
}
static int
limit_seeds(const region * r, const resource_type * rtype)
{
assert(rtype==rt_seed);
if(fval(r, RF_MALLORN)) return 0;
return r->land?r->land->trees[0]:0;
}
void
register_seed(void)
{
attrib * a;
resource_limit * rdata;
rt_seed = rt_find("seed");
assert(rt_seed!=NULL);
rt_seed->itype->flags |= ITF_NOBUILDBESIEGED;
a = a_add(&rt_seed->attribs, a_new(&at_resourcelimit));
rdata = (resource_limit*)a->data.v;
rdata->limit = limit_seeds;
rdata->use = produce_seeds;
}
/* mallorn */
static void
produce_mallornseeds(region * r, const resource_type * rtype, int norders)
{
assert(rtype==rt_mallornseed && r->land && r->land->trees[0] >= norders);
assert(fval(r, RF_MALLORN));
r->land->trees[0] -= norders;
}
static int
limit_mallornseeds(const region * r, const resource_type * rtype)
{
assert(rtype==rt_mallornseed);
if (!fval(r, RF_MALLORN)) {
return 0;
}
return r->land?r->land->trees[0]:0;
}
void
register_mallornseed(void)
{
attrib * a;
resource_limit * rdata;
rt_mallornseed = rt_find("mallornseed");
assert(rt_mallornseed!=NULL);
rt_mallornseed->flags |= RTF_LIMITED;
rt_mallornseed->itype->flags |= ITF_NOBUILDBESIEGED;
rt_mallornseed->flags |= RTF_POOLED;
a = a_add(&rt_mallornseed->attribs, a_new(&at_resourcelimit));
rdata = (resource_limit*)a->data.v;
rdata->limit = limit_mallornseeds;
rdata->use = produce_mallornseeds;
}