/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * 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:
- *
+ *
*/
-#include "misc.h"
-#include "var.h"
-#include "sect.h"
-#include "product.h"
-#include "nat.h"
-#include "file.h"
-#include "xy.h"
+#include <config.h>
+
+#include "budg.h"
#include "player.h"
+#include "product.h"
#include "update.h"
-#include "gen.h"
-#include "subs.h"
-#include "common.h"
-#include "optlist.h"
-s_char *levelnames[] = { "Technology", "Research", "Education", "Happiness" };
+static void materials_charge(struct pchrstr *, short *, int);
+static int materials_cost(struct pchrstr *, short *, int *);
+
+static char *levelnames[] = {
+ "Technology", "Research", "Education", "Happiness"
+};
int
-produce(struct natstr *np, struct sctstr *sp, int *vec, int work, int sctwork, int desig, int neweff, int *cost, int *amount)
+produce(struct natstr *np, struct sctstr *sp, short *vec, int work,
+ int desig, int neweff, int *cost, int *amount)
{
- extern float levels[MAXNOC][4];
- extern long tpops[];
- register struct pchrstr *product;
- int vtype;
- 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;
- 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 ((material_limit = materials_cost(product, vec, &unit_work)) <= 0)
- return 0;
- /*
- * calculate production efficiency.
- */
- p_e = neweff / 100.0;
- if (product->p_nrndx != 0) {
- 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;
- }
+ struct pchrstr *product;
+ double p_e;
+ double prodeff;
+ unsigned char *resource;
+ double output;
+ int actual;
+ int unit_work;
+ i_type item;
+ int worker_limit;
+ int material_limit;
+ int material_consume;
+ int val;
+
+ if (dchr[desig].d_prd < 0)
+ return 0;
+ product = &pchr[dchr[desig].d_prd];
+ item = product->p_type;
+ *amount = 0;
+ *cost = 0;
+
+ 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) {
+ unit_work++;
+ resource = (unsigned char *)sp + product->p_nrndx;
+ p_e = (*resource * p_e) / 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);
+ if (material_consume > worker_limit)
+ material_consume = worker_limit;
+ if (material_consume == 0)
+ return 0;
+ prodeff = prod_eff(desig, np->nat_level[product->p_nlndx]);
+ if (prodeff <= 0.0 && !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;
+ }
+ /*
+ * Adjust produced amount by commodity production ratio
+ */
+ output = material_consume * prodeff;
+ if (item == I_NONE) {
+ actual = ldround(output, 1);
+ if (!player->simulation) {
+ levels[sp->sct_own][product->p_level] += output;
+ wu((natid)0, sp->sct_own, "%s (%.2f) produced in %s\n",
+ product->p_name, output, ownxy(sp));
}
- /*
- * 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);
- 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)) {
- 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);
+ } else {
+ actual = roundavg(output);
+ if (actual <= 0)
+ return 0;
+ if (product->p_nrdep != 0) {
+ if (*resource * 100 < product->p_nrdep * actual)
+ actual = *resource * 100 / product->p_nrdep;
}
- /*
- * 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) {
- actual = 999;
- material_consume = (int)(actual / (product->p_effic * 0.01));
- }
- vec[item] += actual;
- if (vec[item] > 9999) {
- material_consume =
- roundavg((9999.0 - vec[item] + actual) *
- material_consume / actual);
- if (material_consume < 0)
- material_consume = 0;
- vec[item] = 9999;
- if ((/* vtype != V_FOOD && */ sp->sct_own) &&
- (!player->simulation))
- wu(0, sp->sct_own,
- "%s production backlog in %s\n",
- product->p_name, ownxy(sp));
- }
+ if (actual > 999) {
+ material_consume = roundavg(999.0 * material_consume / actual);
+ actual = 999;
}
- /*
- * 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;
- }
+ if (vec[item] + actual > ITEM_MAX) {
+ material_consume = roundavg((double)(ITEM_MAX - vec[item])
+ * material_consume / actual);
+ if (material_consume < 0)
+ material_consume = 0;
+ actual = ITEM_MAX - vec[item];
+ if (sp->sct_own && !player->simulation)
+ wu(0, sp->sct_own,
+ "%s production backlog in %s\n",
+ product->p_name, ownxy(sp));
}
- *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;
- }
+ vec[item] += actual;
+ }
+ /*
+ * 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;
}
+ }
+ *amount = actual;
+ *cost = product->p_cost * material_consume;
- /* 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));
+ if (opt_TECH_POP) {
+ if (product->p_level == NAT_TLEV) {
+ if (tpops[sp->sct_own] > 50000)
+ *cost *= tpops[sp->sct_own] / 50000.0;
}
- return 0;
+ }
+
+ /* 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;
}
-int
-materials_cost(struct pchrstr *product, register int *vec, int *costp)
+static int
+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;
- cost = 0;
- ap = product->p_vamt;
- endp = product->p_vtype + product->p_nv;
- for (vp = product->p_vtype; vp < endp; vp++, ap++) {
- if (!*ap)
- continue;
- n = vec[*vp & ~VT_ITEM] / *ap;
- if (n < count)
- count = n;
- cost += *ap;
- }
- *costp = cost;
- return count;
+ int count;
+ int cost;
+ int i, n;
+
+ count = 9999;
+ cost = 0;
+ 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[pp->p_ctype[i]] / pp->p_camt[i];
+ if (n < count)
+ count = n;
+ cost += pp->p_camt[i];
+ }
+ *costp = cost;
+ return count;
}
-void
-materials_charge(struct pchrstr *product, register int *vec, register int count)
+static void
+materials_charge(struct pchrstr *pp, short *vec, int 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);
- continue;
- }
- if ((n = vec[item] - *ap * count) < 0) {
- logerror("materials_charge: %d > %d item #%d",
- n, vec[item], item);
- n = 0;
- }
- vec[item] = n;
- }
+ int i, n;
+ i_type item;
+
+ for (i = 0; i < MAXPRCON; ++i) {
+ item = pp->p_ctype[i];
+ if (!pp->p_camt[i])
+ continue;
+ if (CANT_HAPPEN(item <= I_NONE || I_MAX < item))
+ continue;
+ n = vec[item] - pp->p_camt[i] * count;
+ if (CANT_HAPPEN(n < 0))
+ n = 0;
+ vec[item] = n;
+ }
+}
+
+/*
+ * Return level p.e. for sector type TYPE.
+ * Zero means level is too low for production.
+ * LEVEL is the affecting production of PP; it must match PP->p_nlndx.
+ */
+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;
}