/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* ---
*
* 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, 2004-2009
+ * Ron Koenderink, 2005-2008
*/
#include <config.h>
+#include <unistd.h>
+#include <math.h>
#include "commands.h"
#include "item.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 *);
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;
- if (player->argp[1] && player->argp[1][0] == 'n') {
- if (natp->nat_btu < 1)
- pr("\n Insufficient BTUs, using the last report.\n\n");
- else {
- gen_power();
- power_generated = 1;
- if (player->argp[2])
- num = atoi(player->argp[2]);
- }
- } else if (player->argp[1] && player->argp[1][0] == 'c') {
- snxtitem(&ni, EF_NATION, player->argp[2]);
- while (nxtitem(&ni, &nat)) {
- if (nat.nat_stat != STAT_ACTIVE)
- continue;
- targets[nat.nat_cnum] = 1;
+
+ i = 1;
+ if (player->argp[1]) {
+ 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(powbuf, save);
+ pow_time = time(NULL);
+ power_generated = 1;
+ }
}
- use_targets = 1;
- } else if (player->argp[1])
- num = atoi(player->argp[1]);
+ }
+
+ 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_UNUSED)
+ continue;
+ if (!player->god && nat.nat_stat != STAT_ACTIVE)
+ continue;
+ targets[nat.nat_cnum] = 1;
+ }
+ use_targets = 1;
+ } else
+ num = atoi(player->argp[i]);
+ }
if (num < 0) {
if (!player->god)
}
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 *f_ptr;
float *f_pt2;
struct plnstr plane;
struct shpstr ship;
struct lndstr land;
- struct powstr powbuf[MAXNOC];
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));
snxtsct_all(&ns);
while (nxtsct(&ns, §)) {
if (sect.sct_own == 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 *= MAX(1.0, natp->nat_level[NAT_TLEV]) / 500.0;
/* ack. add this vec to the "world power" element */
f_pt2 = &powbuf[0].p_sects;
f_ptr = &pow->p_sects;
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;
}