/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, 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/>.
*
* ---
*
* ---
*
* powe.c: Do a power report
- *
+ *
* Known contributors to this file:
* Dave Pare
* Ken Stevens, 1995
* Steve McClure, 1998-2000
- * Markus Armbruster, 2006
+ * Markus Armbruster, 2004-2016
+ * Ron Koenderink, 2005-2008
*/
#include <config.h>
+#include <unistd.h>
+#include <math.h>
#include "commands.h"
#include "item.h"
#include "land.h"
+#include "nuke.h"
#include "optlist.h"
#include "plane.h"
#include "power.h"
#include "ship.h"
-struct powsort {
- float powval;
- natid cnum;
-};
-
static void prpower(char *, struct powstr *, int);
static void out5(double, int, int);
-static void gen_power(void);
+static void gen_power(struct powstr *, int);
static int powcmp(const void *, const void *);
static void addtopow(short *, struct powstr *);
+static float empobj_power(int, short[], int);
+static float empunit_power(int, int, short[], int);
+static float money_power(int);
+static float power_tech_factor(float);
+static float item_power(short[]);
int
powe(void)
{
struct natstr *natp;
- int round_flag;
+ int i;
time_t pow_time;
struct nstr_item ni;
- struct powstr pow;
- int num;
+ int save = 1;
+ int num = MAXNOC;
int power_generated = 0;
struct natstr nat;
+ struct powstr powbuf[MAXNOC];
int targets[MAXNOC];
int use_targets = 0;
int no_numbers = 0;
memset(targets, 0, sizeof(targets));
- natp = getnatp(player->cnum);
- num = MAXNOC;
+ i = 1;
if (player->argp[1]) {
- if (player->argp[1][0] == 'n') {
+ switch (player->argp[1][0]) {
+ case 'u':
+ if (player->god)
+ save = 0;
+ /* fall through */
+ case 'n':
+ i++;
+ natp = getnatp(player->cnum);
if (natp->nat_btu < 1)
pr("\n Insufficient BTUs, using the last report.\n\n");
+ else if (opt_AUTO_POWER && save)
+ pr("\n power new is disabled, using the last report.\n\n");
else {
- gen_power();
+ gen_power(powbuf, save);
+ pow_time = time(NULL);
power_generated = 1;
- if (player->argp[2])
- num = atoi(player->argp[2]);
}
- } else if (player->argp[1][0] == 'c') {
- snxtitem(&ni, EF_NATION, player->argp[2]);
+ }
+ }
+
+ if (player->argp[i]) {
+ if (player->argp[i][0] == 'c') {
+ if (!snxtitem(&ni, EF_NATION, player->argp[i + 1], NULL))
+ return RET_SYN;
while (nxtitem(&ni, &nat)) {
- if (nat.nat_stat != STAT_ACTIVE)
+ if (nat.nat_stat == STAT_UNUSED)
+ continue;
+ if (!player->god && nat.nat_stat != STAT_ACTIVE)
continue;
targets[nat.nat_cnum] = 1;
}
use_targets = 1;
} else
- num = atoi(player->argp[1]);
+ num = atoi(player->argp[i]);
}
if (num < 0) {
}
if (!power_generated) {
+ pow_time = ef_mtime(EF_POWER);
snxtitem_all(&ni, EF_POWER);
- if (!nxtitem(&ni, &pow)) {
- pr("Power for this game has not been built yet. Type 'power new' to build it.\n");
+ if (!nxtitem(&ni, &powbuf[0])) {
+ pr("Power for this game has not been built yet.%s\n",
+ opt_AUTO_POWER ? "" : " Type 'power new' to build it.");
return RET_FAIL;
}
+ for (i = 1; i < MAXNOC; i++) {
+ if (!nxtitem(&ni, &powbuf[i])) {
+ CANT_REACH();
+ memset(&powbuf[i], 0, sizeof(powbuf[i]));
+ }
+ }
}
pr(" - = [ Empire Power Report ] = -\n");
- pow_time = ef_mtime(EF_POWER);
pr(" as of %s\n sects eff civ", ctime(&pow_time));
pr(" mil shell gun pet iron dust oil pln ship unit money\n");
- snxtitem_all(&ni, EF_POWER);
- while ((nxtitem(&ni, &pow)) && num > 0) {
- if (pow.p_nation == 0)
- continue;
+ for (i = 1; i < MAXNOC && num > 0; i++) {
if (opt_HIDDEN) {
- if (!player->god && pow.p_nation != player->cnum)
+ if (!player->god && powbuf[i].p_nation != player->cnum)
continue;
}
- if (use_targets && !targets[pow.p_nation])
+ if (use_targets && !targets[powbuf[i].p_nation])
continue;
- if (!use_targets && pow.p_power <= 0.0)
+ if (!use_targets && powbuf[i].p_power <= 0.0)
continue;
- prpower(cname(pow.p_nation), &pow,
- pow.p_nation != player->cnum && !player->god);
+ prpower(cname(powbuf[i].p_nation), &powbuf[i],
+ powbuf[i].p_nation != player->cnum && !player->god);
if (player->god && !no_numbers)
- pr("%9.2f\n", pow.p_power);
+ pr("%9.2f\n", powbuf[i].p_power);
num--;
}
if (!opt_HIDDEN || player->god) {
pr(" ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----\n");
- getpower(0, &pow);
- prpower("worldwide", &pow, !player->god);
+ prpower("worldwide", &powbuf[0], !player->god);
pr("\n");
}
return RET_OK;
static void
out5(double value, int round_val, int round_flag)
{
+ double aval;
+
if (value > round_val && round_flag)
value = (int)(value / round_val + 0.5) * round_val;
- if (value < -9999.5e3)
- pr("%4.0fM", value / 1e6);
- else if (value < -9950.)
- pr("%4.0fK", value / 1000.);
- else if (value < -999.)
- pr("%4.1fK", value / 1000.);
- else if (value < 1000.)
+ aval = fabs(value);
+ if (aval < 1000.)
pr("%4.0f ", value);
- else if (value < 9.95e3)
- pr("%4.1fK", value / 1000.);
- else if (value < 9999.5e3)
- pr("%4.0fK", value / 1000.);
- else if (value < 9.95e6)
+ else if (aval < 9.95e3)
+ pr("%4.1fK", value / 1e3);
+ else if (aval < 999.5e3)
+ pr("%4.0fK", value / 1e3);
+ else if (aval < 9.95e6)
pr("%4.1fM", value / 1e6);
- else if (value < 9999.5e6)
+ else if (aval < 999.5e6)
pr("%4.0fM", value / 1e6);
else
pr("%4.0fG", value / 1e9);
}
+void
+update_power(void)
+{
+ struct powstr powbuf[MAXNOC];
+
+ gen_power(powbuf, 1);
+}
+
static void
-gen_power(void)
+gen_power(struct powstr *powbuf, int save)
{
+ float upower[MAXNOC];
float *f_ptr;
float *f_pt2;
struct powstr *pow;
- int i;
+ int i, maxpop;
struct sctstr sect;
+ struct dchrstr *dcp;
struct plnstr plane;
+ struct plchrstr *pcp;
struct shpstr ship;
+ struct mchrstr *mcp;
struct lndstr land;
- struct powstr powbuf[MAXNOC];
+ struct lchrstr *lcp;
+ struct nukstr nuke;
+ struct nchrstr *ncp;
struct nstr_item ni;
struct nstr_sect ns;
- struct powsort order[MAXNOC];
struct natstr *natp;
- float f;
player->btused += 10;
- memset(powbuf, 0, sizeof(powbuf));
+ memset(powbuf, 0, MAXNOC * sizeof(*powbuf));
+ memset(upower, 0, sizeof(upower));
snxtsct_all(&ns);
while (nxtsct(&ns, §)) {
if (sect.sct_own == 0)
continue;
+ dcp = &dchr[sect.sct_type];
+ natp = getnatp(sect.sct_own);
pow = &powbuf[sect.sct_own];
pow->p_sects += 1.0;
pow->p_effic += sect.sct_effic;
addtopow(sect.sct_item, pow);
+ pow->p_power += empobj_power(sect.sct_effic,
+ dcp->d_mat, dcp->d_cost);
+ maxpop = max_pop(natp->nat_level[NAT_RLEV], §);
+ pow->p_power += (1.0 + maxpop / 1000.0 * 8) * sect.sct_effic / 100.0;
}
snxtitem_all(&ni, EF_LAND);
while (nxtitem(&ni, &land)) {
if (land.lnd_own == 0)
continue;
+ lcp = &lchr[land.lnd_type];
pow = &powbuf[land.lnd_own];
addtopow(land.lnd_item, pow);
- f = (lchr[(int)land.lnd_type].l_lcm / 10.0) * (land.lnd_effic / 100.0);
- f += (lchr[(int)land.lnd_type].l_hcm / 10.0) * (land.lnd_effic / 100.0);
- pow->p_power += f * 2;
- if (!(lchr[(int)land.lnd_type].l_flags & L_SPY))
+ upower[land.lnd_own] += empunit_power(land.lnd_effic,
+ land.lnd_tech,
+ lcp->l_mat, lcp->l_cost);
+ if (!(lcp->l_flags & L_SPY))
pow->p_units += 1.0;
}
snxtitem_all(&ni, EF_SHIP);
while (nxtitem(&ni, &ship)) {
if (ship.shp_own == 0)
continue;
+ mcp = &mchr[ship.shp_type];
pow = &powbuf[ship.shp_own];
addtopow(ship.shp_item, pow);
- f = (mchr[(int)ship.shp_type].m_lcm / 10.0) * (ship.shp_effic / 100.0);
- f += (mchr[(int)ship.shp_type].m_hcm / 10.0) * (ship.shp_effic / 100.0);
- pow->p_power += f * 2;
+ upower[ship.shp_own] += empunit_power(ship.shp_effic,
+ ship.shp_tech,
+ mcp->m_mat, mcp->m_cost);
pow->p_ships += 1.0;
}
snxtitem_all(&ni, EF_PLANE);
while (nxtitem(&ni, &plane)) {
if (plane.pln_own == 0)
continue;
+ pcp = &plchr[plane.pln_type];
pow = &powbuf[plane.pln_own];
+ upower[plane.pln_own] += empunit_power(plane.pln_effic,
+ plane.pln_tech,
+ pcp->pl_mat, pcp->pl_cost);
pow->p_planes += 1.0;
- natp = getnatp(plane.pln_own);
- pow->p_power += 20 * (plane.pln_effic / 100.0) *
- (natp->nat_level[NAT_TLEV] / 500.0);
+ }
+ snxtitem_all(&ni, EF_NUKE);
+ while (nxtitem(&ni, &nuke)) {
+ if (nuke.nuk_own == 0)
+ continue;
+ ncp = &nchr[nuke.nuk_type];
+ upower[nuke.nuk_own] += empunit_power(nuke.nuk_effic,
+ nuke.nuk_tech,
+ ncp->n_mat, ncp->n_cost);
}
for (i = 1; NULL != (natp = getnatp(i)); i++) {
pow = &powbuf[i];
continue;
}
pow->p_money = natp->nat_money;
- pow->p_power += pow->p_money / 100.;
-
- pow->p_power += pow->p_petrol / 500.0;
-
- pow->p_power += (pow->p_civil + pow->p_milit) / 10.0;
- pow->p_power += pow->p_shell / 12.5;
- pow->p_power += pow->p_iron / 100.0;
- pow->p_power += pow->p_dust / 5 + pow->p_oil / 10 + pow->p_bars;
- pow->p_power += pow->p_guns / 2.5;
- if (pow->p_sects > 0)
- pow->p_power += pow->p_sects
- * (pow->p_effic / pow->p_sects / 100.0)
- * 10.0;
- pow->p_power *= MAX(1.0, natp->nat_level[NAT_TLEV] / 500.0);
+ pow->p_power += money_power(natp->nat_money);
+ pow->p_power *= power_tech_factor(natp->nat_level[NAT_TLEV]);
+ pow->p_power += upower[i];
/* ack. add this vec to the "world power" element */
f_pt2 = &powbuf[0].p_sects;
f_ptr = &pow->p_sects;
f_ptr++;
}
}
- for (i = 1; i < MAXNOC; i++) {
- struct natstr *np;
- int maxpop;
-
- if (opt_RES_POP) {
- np = getnatp(i);
- maxpop = max_population(np->nat_level[NAT_RLEV], SCT_MINE, 0);
- powbuf[i].p_power *= 1.0 + maxpop / 10000.0;
- }
- order[i].powval = powbuf[i].p_power;
- order[i].cnum = i;
- }
- qsort(&order[1], MAXNOC - 1, sizeof(*order), powcmp);
- putpower(0, &powbuf[0]);
- for (i = 1; i < MAXNOC; i++) {
- putpower(i, &powbuf[order[i].cnum]);
- }
+ qsort(&powbuf[1], MAXNOC - 1, sizeof(*powbuf), powcmp);
+ if (!save)
+ return;
+ for (i = 0; i < MAXNOC; i++)
+ putpower(i, &powbuf[i]);
#ifdef _WIN32
/*
* At least some versions of Windows fail to update mtime on
- * write(). Bad, because `power' displays that time. Attempt to
- * force an update.
+ * write(), they delay it until the write actually hits the disk.
+ * Bad, because `power' displays that time. Force it.
*/
_commit(empfile[EF_POWER].fd);
#endif
static int
powcmp(const void *a, const void *b)
{
- const struct powsort *p1 = a;
- const struct powsort *p2 = b;
+ const struct powstr *p1 = a;
+ const struct powstr *p2 = b;
- if (p1->powval > p2->powval)
+ if (p1->p_power > p2->p_power)
return -1;
- if (p1->powval < p2->powval)
+ if (p1->p_power < p2->p_power)
return 1;
- return 0;
+ return p1->p_nation - p2->p_nation;
}
static void
pow->p_food += vec[I_FOOD];
pow->p_oil += vec[I_OIL];
pow->p_bars += vec[I_BAR];
- pow->p_power += vec[I_LCM] / 10.0;
- pow->p_power += vec[I_HCM] / 5.0;
+ pow->p_power += item_power(vec);
+}
+
+static float
+empobj_power(int effic, short mat[], int cost)
+{
+ return (item_power(mat) + money_power(cost)) * (effic / 100.0);
+}
+
+static float
+empunit_power(int effic, int tech, short mat[], int cost)
+{
+ return empobj_power(effic, mat, cost) * power_tech_factor(tech);
+}
+
+static float
+money_power(int money)
+{
+ return money / 100.0;
+}
+
+static float
+power_tech_factor(float tech)
+{
+ return (20 + tech) / 500.0;
+}
+
+static float
+item_power(short item[])
+{
+ int pow, i;
+
+ pow = 0;
+ for (i = I_NONE + 1; i <= I_MAX; i++)
+ pow += item[i] * ichr[i].i_power;
+
+ return pow / 1000.0;
}