/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2006, 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.
*
* ---
*
*
*/
+#include <config.h>
+
#include "misc.h"
-#include "var.h"
#include "sect.h"
#include "product.h"
#include "nat.h"
-#include "file.h"
#include "xy.h"
#include "player.h"
#include "update.h"
produce(struct natstr *np, struct sctstr *sp, short *vec, int work,
int desig, int neweff, int *cost, int *amount)
{
- register struct pchrstr *product;
- int vtype;
+ struct pchrstr *product;
double p_e;
- double level_p_e;
- s_char *resource;
- int output;
+ double prodeff;
+ u_char *resource;
+ double output;
int actual;
int unit_work;
- double depend;
- int item;
+ i_type item;
int worker_limit;
int material_limit;
int material_consume;
product = &pchr[dchr[desig].d_prd];
if (product == &pchr[0])
return 0;
- vtype = product->p_type;
- item = vtype & ~VT_ITEM;
+ item = product->p_type;
*amount = 0;
*cost = 0;
p_e = neweff / 100.0;
if (product->p_nrndx != 0) {
unit_work++;
- resource = ((s_char *)sp) + product->p_nrndx;
+ resource = (u_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;
- }
}
/*
* determine number that can be made with
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);
+ prodeff = prod_eff(product, 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 = 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));
+ output = material_consume * prodeff;
+ actual = roundavg(output);
+ if (actual <= 0)
+ return 0;
+ if (item == I_NONE) {
+ 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));
+ }
} 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;
- material_consume = (int)(actual / (product->p_effic * 0.01));
}
if (vec[item] + actual > ITEM_MAX) {
- material_consume =
- roundavg((ITEM_MAX - vec[item]) * material_consume / actual);
+ material_consume = roundavg((double)(ITEM_MAX - vec[item])
+ * material_consume / actual);
if (material_consume < 0)
material_consume = 0;
vec[item] = ITEM_MAX;
- if (( /* vtype != V_FOOD && */ sp->sct_own) &&
- (!player->simulation))
+ if (sp->sct_own && !player->simulation)
wu(0, sp->sct_own,
"%s production backlog in %s\n",
product->p_name, ownxy(sp));
}
}
- /* The min() here is to take care of integer rounding errors */
+ /* 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 MIN(work, (int)(unit_work * material_consume / p_e));
}
return 0;
}
static int
-materials_cost(struct pchrstr *product, short *vec, int *costp)
+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;
+ int count;
+ int cost;
+ int i, n;
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)
+ 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 = 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, 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);
+ int i, n;
+ i_type item;
+
+ 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);
+ 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 product PP.
+ * Zero means level is too low for production.
+ * LEVEL is the affecting production of PP; it must match PP->p_nlndx.
+ */
+double
+prod_eff(struct pchrstr *pp, float level)
+{
+ double level_p_e;
+
+ 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 * pp->p_effic * 0.01;
+}
projects / empserver / blobdiff