2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2020, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * powe.c: Do a power report
29 * Known contributors to this file:
32 * Steve McClure, 1998-2000
33 * Markus Armbruster, 2004-2016
34 * Ron Koenderink, 2005-2008
50 static void prpower(char *, struct powstr *, int);
51 static void out5(double, int, int);
52 static void gen_power(struct powstr *, int);
53 static int powcmp(const void *, const void *);
54 static void addtopow(short *, struct powstr *);
55 static float empobj_power(int, short[], int);
56 static float empunit_power(int, int, short[], int);
57 static float money_power(int);
58 static float power_tech_factor(float);
59 static float item_power(short[]);
70 int power_generated = 0;
72 struct powstr powbuf[MAXNOC];
77 memset(targets, 0, sizeof(targets));
80 if (player->argp[1]) {
81 switch (player->argp[1][0]) {
88 natp = getnatp(player->cnum);
89 if (natp->nat_btu < 1)
90 pr("\n Insufficient BTUs, using the last report.\n\n");
91 else if (opt_AUTO_POWER && save)
92 pr("\n power new is disabled, using the last report.\n\n");
94 gen_power(powbuf, save);
95 pow_time = time(NULL);
101 if (player->argp[i]) {
102 if (player->argp[i][0] == 'c') {
103 if (!snxtitem(&ni, EF_NATION, player->argp[i + 1], NULL))
105 while (nxtitem(&ni, &nat)) {
106 if (nat.nat_stat == STAT_UNUSED)
108 if (!player->god && nat.nat_stat != STAT_ACTIVE)
110 targets[nat.nat_cnum] = 1;
114 num = atoi(player->argp[i]);
124 if (!power_generated) {
125 pow_time = ef_mtime(EF_POWER);
126 snxtitem_all(&ni, EF_POWER);
127 if (!nxtitem(&ni, &powbuf[0])) {
128 pr("Power for this game has not been built yet.%s\n",
129 opt_AUTO_POWER ? "" : " Type 'power new' to build it.");
132 for (i = 1; i < MAXNOC; i++) {
133 if (!nxtitem(&ni, &powbuf[i])) {
135 memset(&powbuf[i], 0, sizeof(powbuf[i]));
140 pr(" - = [ Empire Power Report ] = -\n");
141 pr(" as of %s\n sects eff civ", ctime(&pow_time));
142 pr(" mil shell gun pet iron dust oil pln ship unit money\n");
143 for (i = 1; i < MAXNOC && num > 0; i++) {
145 if (!player->god && powbuf[i].p_nation != player->cnum)
148 if (use_targets && !targets[powbuf[i].p_nation])
150 if (!use_targets && powbuf[i].p_power <= 0.0)
152 prpower(cname(powbuf[i].p_nation), &powbuf[i],
153 powbuf[i].p_nation != player->cnum && !player->god);
154 if (player->god && !no_numbers)
155 pr("%9.2f\n", powbuf[i].p_power);
158 if (!opt_HIDDEN || player->god) {
159 pr(" ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----\n");
160 prpower("worldwide", &powbuf[0], !player->god);
167 prpower(char *name, struct powstr *pow, int round_flag)
170 out5(pow->p_sects, 5, round_flag);
172 pr("%4.0f%%", pow->p_effic / pow->p_sects);
175 out5(pow->p_civil, 50, round_flag);
176 out5(pow->p_milit, 50, round_flag);
177 out5(pow->p_shell, 25, round_flag);
178 out5(pow->p_guns, 5, round_flag);
179 out5(pow->p_petrol, 50, round_flag);
180 out5(pow->p_iron, 50, round_flag);
181 out5(pow->p_dust, 50, round_flag);
182 out5(pow->p_oil, 50, round_flag);
183 out5(pow->p_planes, 10, round_flag);
184 out5(pow->p_ships, 10, round_flag);
185 out5(pow->p_units, 10, round_flag);
186 out5(pow->p_money, 5000, round_flag);
191 out5(double value, int round_val, int round_flag)
195 if (value > round_val && round_flag)
196 value = (int)(value / round_val + 0.5) * round_val;
200 else if (aval < 9.95e3)
201 pr("%4.1fK", value / 1e3);
202 else if (aval < 999.5e3)
203 pr("%4.0fK", value / 1e3);
204 else if (aval < 9.95e6)
205 pr("%4.1fM", value / 1e6);
206 else if (aval < 999.5e6)
207 pr("%4.0fM", value / 1e6);
209 pr("%4.0fG", value / 1e9);
215 struct powstr powbuf[MAXNOC];
217 gen_power(powbuf, 1);
221 gen_power(struct powstr *powbuf, int save)
223 float upower[MAXNOC];
231 struct plchrstr *pcp;
242 player->btused += 10;
243 memset(powbuf, 0, MAXNOC * sizeof(*powbuf));
244 memset(upower, 0, sizeof(upower));
246 while (nxtsct(&ns, §)) {
247 if (sect.sct_own == 0)
249 dcp = &dchr[sect.sct_type];
250 natp = getnatp(sect.sct_own);
251 pow = &powbuf[sect.sct_own];
253 pow->p_effic += sect.sct_effic;
254 addtopow(sect.sct_item, pow);
255 pow->p_power += empobj_power(sect.sct_effic,
256 dcp->d_mat, dcp->d_cost);
257 maxpop = max_pop(natp->nat_level[NAT_RLEV], §);
258 pow->p_power += (1.0 + maxpop / 1000.0 * 8) * sect.sct_effic / 100.0;
260 snxtitem_all(&ni, EF_LAND);
261 while (nxtitem(&ni, &land)) {
262 if (land.lnd_own == 0)
264 lcp = &lchr[land.lnd_type];
265 pow = &powbuf[land.lnd_own];
266 addtopow(land.lnd_item, pow);
267 upower[land.lnd_own] += empunit_power(land.lnd_effic,
269 lcp->l_mat, lcp->l_cost);
270 if (!(lcp->l_flags & L_SPY))
273 snxtitem_all(&ni, EF_SHIP);
274 while (nxtitem(&ni, &ship)) {
275 if (ship.shp_own == 0)
277 mcp = &mchr[ship.shp_type];
278 pow = &powbuf[ship.shp_own];
279 addtopow(ship.shp_item, pow);
280 upower[ship.shp_own] += empunit_power(ship.shp_effic,
282 mcp->m_mat, mcp->m_cost);
285 snxtitem_all(&ni, EF_PLANE);
286 while (nxtitem(&ni, &plane)) {
287 if (plane.pln_own == 0)
289 pcp = &plchr[plane.pln_type];
290 pow = &powbuf[plane.pln_own];
291 upower[plane.pln_own] += empunit_power(plane.pln_effic,
293 pcp->pl_mat, pcp->pl_cost);
294 pow->p_planes += 1.0;
296 snxtitem_all(&ni, EF_NUKE);
297 while (nxtitem(&ni, &nuke)) {
298 if (nuke.nuk_own == 0)
300 ncp = &nchr[nuke.nuk_type];
301 upower[nuke.nuk_own] += empunit_power(nuke.nuk_effic,
303 ncp->n_mat, ncp->n_cost);
305 for (i = 1; NULL != (natp = getnatp(i)); i++) {
308 if (natp->nat_stat != STAT_ACTIVE) {
312 pow->p_money = natp->nat_money;
313 pow->p_power += money_power(natp->nat_money);
314 pow->p_power *= power_tech_factor(natp->nat_level[NAT_TLEV]);
315 pow->p_power += upower[i];
316 /* ack. add this vec to the "world power" element */
317 f_pt2 = &powbuf[0].p_sects;
318 f_ptr = &pow->p_sects;
319 while (f_ptr <= &pow->p_power) {
325 qsort(&powbuf[1], MAXNOC - 1, sizeof(*powbuf), powcmp);
328 for (i = 0; i < MAXNOC; i++)
329 putpower(i, &powbuf[i]);
332 * At least some versions of Windows fail to update mtime on
333 * write(), they delay it until the write actually hits the disk.
334 * Bad, because `power' displays that time. Force it.
336 _commit(empfile[EF_POWER].fd);
341 powcmp(const void *a, const void *b)
343 const struct powstr *p1 = a;
344 const struct powstr *p2 = b;
346 if (p1->p_power > p2->p_power)
348 if (p1->p_power < p2->p_power)
350 return p1->p_nation - p2->p_nation;
354 addtopow(short *vec, struct powstr *pow)
356 pow->p_civil += vec[I_CIVIL];
357 pow->p_milit += vec[I_MILIT];
358 pow->p_shell += vec[I_SHELL];
359 pow->p_guns += vec[I_GUN];
360 pow->p_petrol += vec[I_PETROL];
361 pow->p_iron += vec[I_IRON];
362 pow->p_dust += vec[I_DUST];
363 pow->p_food += vec[I_FOOD];
364 pow->p_oil += vec[I_OIL];
365 pow->p_bars += vec[I_BAR];
366 pow->p_power += item_power(vec);
370 empobj_power(int effic, short mat[], int cost)
372 return (item_power(mat) + money_power(cost)) * (effic / 100.0);
376 empunit_power(int effic, int tech, short mat[], int cost)
378 return empobj_power(effic, mat, cost) * power_tech_factor(tech);
382 money_power(int money)
384 return money / 100.0;
388 power_tech_factor(float tech)
390 return (20 + tech) / 500.0;
394 item_power(short item[])
399 for (i = I_NONE + 1; i <= I_MAX; i++)
400 pow += item[i] * ichr[i].i_power;