/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2016, 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/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* produce.c: Produce goodies
- *
+ *
* Known contributors to this file:
- *
+ * Markus Armbruster, 2004-2016
*/
-#include "misc.h"
-#include "var.h"
-#include "sect.h"
-#include "product.h"
+#include <config.h>
+
+#include <math.h>
+#include "chance.h"
#include "nat.h"
-#include "file.h"
-#include "xy.h"
+#include "optlist.h"
#include "player.h"
+#include "product.h"
+#include "prototypes.h"
#include "update.h"
-#include "gen.h"
-#include "subs.h"
-#include "common.h"
-#include "optlist.h"
-#include "budg.h"
-static void materials_charge(struct pchrstr *, short *, int);
-static int materials_cost(struct pchrstr *, short *, int *);
+static void materials_charge(struct pchrstr *, short *, double);
+
+static char *levelnames[] = {
+ "Technology", "Research", "Education", "Happiness"
+};
+
+void
+produce(struct natstr *np, struct sctstr *sp)
+{
+ struct budget *budget = &nat_budget[sp->sct_own];
+ struct pchrstr *product;
+ double prodeff;
+ double output;
+ double cost;
+
+ if (dchr[sp->sct_type].d_prd < 0)
+ return;
+ product = &pchr[dchr[sp->sct_type].d_prd];
+
+ prodeff = prod_eff(sp->sct_type, np->nat_level[product->p_nlndx]);
+ output = prod_output(sp, prodeff);
+ if (!output)
+ return;
-s_char *levelnames[] =
- { "Technology", "Research", "Education", "Happiness" };
+ cost = product->p_cost * output / prodeff;
+ if (opt_TECH_POP) {
+ if (product->p_level == NAT_TLEV) {
+ if (tpops[sp->sct_own] > 50000)
+ cost *= tpops[sp->sct_own] / 50000.0;
+ }
+ }
+
+ budget->prod[sp->sct_type].count += ldround(output, 1);
+ budget->prod[sp->sct_type].money -= cost;
+ budget->money -= cost;
+}
-int
-produce(struct natstr *np, struct sctstr *sp, short *vec, int work,
- int desig, int neweff, int *cost, int *amount)
+double
+prod_output(struct sctstr *sp, double prodeff)
{
- register struct pchrstr *product;
- int vtype;
+ struct pchrstr *product = &pchr[dchr[sp->sct_type].d_prd];
+ i_type item = product->p_type;
+ unsigned char *resource;
double p_e;
- double level_p_e;
- s_char *resource;
- int output;
- int actual;
- int unit_work;
- double depend;
- int item;
- int worker_limit;
- int material_limit;
- int material_consume;
+ double material_limit, worker_limit, res_limit;
+ double material_consume, output;
+ int unit_work, work_used;
int val;
- product = &pchr[dchr[desig].d_prd];
- if (product == &pchr[0])
- return 0;
- vtype = product->p_type;
- item = vtype & ~VT_ITEM;
- *amount = 0;
- *cost = 0;
+ if (product->p_nrndx)
+ resource = (unsigned char *)sp + product->p_nrndx;
+ else
+ resource = NULL;
- if ((material_limit = materials_cost(product, vec, &unit_work)) <= 0)
- return 0;
- /*
- * calculate production efficiency.
- */
- p_e = neweff / 100.0;
- if (product->p_nrndx != 0) {
+ material_limit = prod_materials_cost(product, sp->sct_item,
+ &unit_work);
+
+ /* sector p.e. */
+ p_e = sp->sct_effic / 100.0;
+ if (resource) {
unit_work++;
- resource = ((s_char *)sp) + product->p_nrndx;
- p_e = (*resource * p_e) / 100.0;
- if (product->p_nrdep > 0) {
- /* XXX this looks way wrong */
- depend = (*resource * 100.0) / product->p_nrdep;
- if (p_e > depend)
- p_e = depend;
- }
+ p_e *= *resource / 100.0;
}
- /*
- * determine number that can be made with
- * the available workforce
- */
if (unit_work == 0)
unit_work = 1;
- material_consume = material_limit;
- worker_limit = roundavg(work * p_e / unit_work);
+
+ worker_limit = sp->sct_avail * p_e / unit_work;
+ res_limit = prod_resource_limit(product, resource);
+
+ material_consume = res_limit;
if (material_consume > worker_limit)
material_consume = worker_limit;
- if (material_consume == 0)
- return 0;
- level_p_e = 1.0;
- if (product->p_nlndx >= 0) {
- level_p_e = np->nat_level[product->p_nlndx] - product->p_nlmin;
- if ((level_p_e < 0.0) && (!player->simulation)) {
+ if (material_consume > material_limit)
+ material_consume = material_limit;
+ if (CANT_HAPPEN(material_consume < 0.0))
+ material_consume = 0.0;
+ if (material_consume == 0.0)
+ return 0.0;
+
+ if (prodeff <= 0.0) {
+ if (!player->simulation)
wu(0, sp->sct_own,
"%s level too low to produce in %s (need %d)\n",
levelnames[product->p_nlndx], ownxy(sp), product->p_nlmin);
- return 0;
- }
- level_p_e = level_p_e / (level_p_e + product->p_nllag);
+ return 0.0;
}
+
/*
* Adjust produced amount by commodity production ratio
*/
- output = roundavg(product->p_effic * 0.01 * material_consume);
- if ((vtype == 0) && (!player->simulation)) {
- levels[sp->sct_own][product->p_level] += output * level_p_e;
- wu((natid)0, sp->sct_own, "%s (%.2f) produced in %s\n",
- product->p_name, output * level_p_e, ownxy(sp));
- } else {
- if ((actual = roundavg(level_p_e * output)) <= 0)
- return 0;
- if (product->p_nrdep != 0) {
- if (*resource * 100 < product->p_nrdep * actual)
- actual = *resource * 100 / product->p_nrdep;
- }
- if (actual > 999) {
- material_consume = roundavg(999.0 * material_consume / actual);
- actual = 999;
+ output = material_consume * prodeff;
+ if (item == I_NONE) {
+ if (!player->simulation) {
+ levels[sp->sct_own][product->p_level] += output;
+ wu(0, sp->sct_own, "%s (%.2f) produced in %s\n",
+ product->p_name, output, ownxy(sp));
}
- if (vec[item] + actual > ITEM_MAX) {
- material_consume = roundavg((double)(ITEM_MAX - vec[item])
- * material_consume / actual);
- if (material_consume < 0)
- material_consume = 0;
- vec[item] = ITEM_MAX;
+ } else {
+ output = floor(output);
+ if (output > 999.0)
+ output = 999.0;
+ if (sp->sct_item[item] + output > ITEM_MAX) {
+ output = ITEM_MAX - sp->sct_item[item];
if (sp->sct_own && !player->simulation)
wu(0, sp->sct_own,
"%s production backlog in %s\n",
product->p_name, ownxy(sp));
- } else
- vec[item] += actual;
+ }
+ material_consume = output / prodeff;
+ sp->sct_item[item] += output;
}
+
/*
* Reset produced amount by commodity production ratio
*/
- if (!player->simulation) {
- materials_charge(product, vec, material_consume);
- if (product->p_nrdep != 0) {
- /*
- * lower natural resource in sector depending on
- * amount produced
- */
- val = *resource - roundavg(product->p_nrdep *
- material_consume / 100.0);
- if (val < 0)
- val = 0;
- *resource = val;
- }
+ materials_charge(product, sp->sct_item, material_consume);
+ if (resource && product->p_nrdep != 0) {
+ /*
+ * lower natural resource in sector depending on
+ * amount produced
+ */
+ val = *resource - roundavg(product->p_nrdep *
+ material_consume / 100.0);
+ if (val < 0)
+ val = 0;
+ *resource = val;
}
- *amount = actual;
- *cost = product->p_cost * material_consume;
- if (opt_TECH_POP) {
- if (product->p_level == NAT_TLEV) {
- if (tpops[sp->sct_own] > 50000)
- *cost =
- (double)*cost * (double)tpops[sp->sct_own] / 50000.0;
- }
- }
+ if (CANT_HAPPEN(p_e <= 0.0))
+ return 0.0;
+ work_used = roundavg(unit_work * material_consume / p_e);
+ if (CANT_HAPPEN(work_used > sp->sct_avail))
+ work_used = sp->sct_avail;
+ sp->sct_avail -= work_used;
- /* The min() here is to take care of integer rounding errors */
- if (p_e > 0.0) {
- return min(work, (int)(unit_work * material_consume / p_e));
- }
- return 0;
+ return output;
}
-static int
-materials_cost(struct pchrstr *product, short *vec, int *costp)
+/*
+ * Return how much of product @pp can be made from materials @vec[].
+ * Store amount of work per unit in *@costp.
+ */
+double
+prod_materials_cost(struct pchrstr *pp, short vec[], int *costp)
{
- register u_char *vp;
- register u_short *ap;
- register int count;
- register int cost;
- register int n;
- register u_char *endp;
-
- count = 9999;
+ double count, n;
+ int cost, i;
+
+ count = ITEM_MAX;
cost = 0;
- ap = product->p_vamt;
- endp = product->p_vtype + product->p_nv;
- for (vp = product->p_vtype; vp < endp; vp++, ap++) {
- if (!*ap)
+ for (i = 0; i < MAXPRCON; ++i) {
+ if (!pp->p_camt[i])
+ continue;
+ if (CANT_HAPPEN(pp->p_ctype[i] <= I_NONE || I_MAX < pp->p_ctype[i]))
continue;
- n = vec[*vp & ~VT_ITEM] / *ap;
+ n = (double)vec[pp->p_ctype[i]] / pp->p_camt[i];
if (n < count)
count = n;
- cost += *ap;
+ cost += pp->p_camt[i];
}
*costp = cost;
return count;
}
static void
-materials_charge(struct pchrstr *product, short *vec, int count)
+materials_charge(struct pchrstr *pp, short *vec, double count)
{
- register u_char *vp;
- register u_short *ap;
- register u_char *endp;
- register int item;
- register int n;
-
- ap = product->p_vamt;
- endp = product->p_vtype + product->p_nv;
- for (vp = product->p_vtype; vp < endp; vp++, ap++) {
- item = *vp & ~VT_ITEM;
- if (item < 0 || item > I_MAX) {
- logerror("materials_charge: bad item %d", item);
+ int i;
+ i_type item;
+ double n;
+
+ for (i = 0; i < MAXPRCON; ++i) {
+ item = pp->p_ctype[i];
+ if (!pp->p_camt[i])
continue;
- }
- if ((n = vec[item] - *ap * count) < 0) {
- logerror("materials_charge: %d > %d item #%d",
- n, vec[item], item);
- n = 0;
- }
- vec[item] = n;
+ if (CANT_HAPPEN(item <= I_NONE || I_MAX < item))
+ continue;
+ n = vec[item] - pp->p_camt[i] * count;
+ if (CANT_HAPPEN(n < 0.0))
+ n = 0.0;
+ vec[item] = roundavg(n);
}
}
+
+/*
+ * Return how much of product @pp can be made from its resource.
+ * If @pp depletes a resource, @resource must point to its value.
+ */
+double
+prod_resource_limit(struct pchrstr *pp, unsigned char *resource)
+{
+ if (CANT_HAPPEN(pp->p_nrndx && !resource))
+ return 0;
+ if (resource && pp->p_nrdep != 0)
+ return *resource * 100.0 / pp->p_nrdep;
+ return ITEM_MAX;
+}
+
+/*
+ * Return p.e. for sector type @type.
+ * Zero means level is too low for production.
+ * @level is the level affecting production.
+ */
+double
+prod_eff(int type, float level)
+{
+ double level_p_e;
+ struct dchrstr *dp = &dchr[type];
+ struct pchrstr *pp = &pchr[dp->d_prd];
+
+ if (CANT_HAPPEN(dp->d_prd < 0))
+ return 0.0;
+
+ if (pp->p_nlndx < 0)
+ level_p_e = 1.0;
+ else {
+ double delta = (double)level - (double)pp->p_nlmin;
+
+ if (delta < 0.0)
+ return 0.0;
+ if (CANT_HAPPEN(delta + pp->p_nllag <= 0))
+ return 0.0;
+ level_p_e = delta / (delta + pp->p_nllag);
+ }
+
+ return level_p_e * dp->d_peffic * 0.01;
+}
projects / empserver / blobdiff