/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2016, 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/>.
*
* ---
*
- * 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.
*
* ---
*
* ship.c: Ship characteristics
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Jeff Bailey
* Steve McClure, 1998
*/
-/*
- * marine characteristics -- ship capabilities descriptions
- *
- * Note, that you should not set the flags M_XLIGHT, M_UNIT, or M_CHOPPER
- * here. They will be automatically set by init_global() when the server
- * starts if the ship can carry a non-zero amount of those things.
- * Also note that if nplanes > 0 and M_FLY is not set, then M_MSL will
- * automatically be set.
- */
+#include <config.h>
+#include <math.h>
#include "misc.h"
#include "ship.h"
-struct mchrstr mchr[] = {
-/* a s v v f E K f f */
-/* r p i r r g | | u u */
-/* l h m e s n n l x V e e */
-/* c c o e i g g i p p l l */
-/* m m r d b e e m l l c u name tech Cost*/
-
- {{300, 10, 0, 0, 0, 0, 0, 0, 900, 0, 0, 0, 15, 0},
- 25, 15, 10, 10, 15, 2, 0, 0, 0, 0, 0, 0, "fb fishing boat",
- 0, 180, M_FOOD, 0, 0},
-
- {{300, 10, 0, 0, 0, 0, 0, 0, 900, 0, 0, 0, 15, 0},
- 25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "ft fishing trawler",
- 35, 300, M_FOOD, 0, 0},
-
- {{600, 50, 300, 50, 0, 0, 0, 0, 900, 0,1400, 900, 250, 0},
- 60, 40, 20, 25, 35, 3, 0, 0, 1, 0, 0, 0, "cs cargo ship",
- 20, 500, M_SUPPLY, 0, 2},
-
- {{30, 5, 0, 0, 0, 990, 990, 0, 200, 0, 0, 0, 45, 990},
- 60, 40, 20, 25, 35, 3, 0, 0, 1, 0, 30, 1, "os ore ship",
- 20, 500, 0, 0, 0},
-
- {{20, 80, 0, 0, 0, 0, 0, 0, 200, 0, 0, 0,1200, 0},
- 60, 40, 20, 10, 35, 3, 0, 0, 1, 0, 0, 0, "ss slave ship",
- 0, 300, 0, 0, 0},
-
- {{50, 50, 0, 0, 0, 0, 0, 0, 100, 0, 0, 0, 0, 0},
- 200, 100, 20, 25, 35, 3, 0, 0, 1, 0, 30, 1, "ts trade ship",
- 30, 1750, M_TRADE, 0, 0},
-
- {{0, 60, 10, 2, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0},
- 30, 30, 50, 25, 25, 3, 1, 1, 1, 0, 0, 0, "frg frigate",
- 0, 600, M_SEMILAND, 0, 2},
-
- {{10, 5, 0, 0, 0, 0, 0, 0, 100, 1, 0, 0, 0, 0},
- 25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "oe oil exploration boat",
- 40, 800, M_OIL, 0, 0},
-
- {{990, 80, 0, 0, 0, 0, 0, 0, 990, 990, 0, 0, 990, 0},
- 60, 60, 30, 15, 65, 3, 0, 0, 2, 0, 0, 0, "od oil derrick",
- 50, 1500, M_OIL, 0, 0},
-
- {{0, 2, 12, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0},
- 20, 10, 10, 38, 10, 2, 1, 1, 0, 0, 4, 1, "pt patrol boat",
- 40, 300, M_TORP, 0, 0},
-
- {{0, 100, 40, 5, 0, 0, 0, 0, 100, 0, 0, 0, 0, 0},
- 30, 40, 50, 30, 30, 5, 6, 3, 1, 0, 40, 1, "lc light cruiser",
- 45, 800, M_MINE, 0, 2 },
-
- {{0, 120, 100, 8, 0, 0, 0, 0, 200, 0, 0, 0, 0, 0},
- 40, 50, 70, 30, 30, 5, 8, 4, 1, 0, 30, 1, "hc heavy cruiser",
- 50, 1200, 0, 0, 4},
-
- {{0, 120, 20, 4, 0, 0, 0, 0, 120, 0, 0, 0, 0, 0},
- 50, 50, 60, 20, 35, 3, 1, 2, 1, 0, 0, 0, "tt troop transport",
- 10, 800, M_SEMILAND, 0, 2 },
-
- {{0, 200, 200, 10, 0, 0, 0, 0, 900, 0, 0, 0, 0, 0},
- 50, 70, 95, 25, 35, 6, 10, 7, 1, 0, 50, 2, "bb battleship",
- 45, 1800, 0, 0, 2},
-
- {{0, 180, 100, 10, 0, 0, 0, 0, 400, 0, 0, 0, 0, 0},
- 50, 60, 55, 30, 35, 6, 10, 6, 1, 0, 60, 2, "bbc battlecruiser",
- 75, 1500, 0, 0, 2},
-
- {{30, 5, 0, 0, 990, 0, 0, 0, 200, 990, 0, 0, 25, 0},
- 60, 40, 75, 25, 45, 3, 0, 0, 1, 0, 30, 1, "tk tanker",
- 35, 600, M_OILER | M_SUPPLY, 0, 0},
-
- {{0, 10, 100, 1, 0, 0, 0, 0, 90, 0, 0, 0, 0, 0},
- 25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "ms minesweeper",
- 40, 400, M_MINE | M_SWEEP, 0, 0},
-
- {{0, 60, 40, 4, 0, 0, 0, 0, 80, 0, 0, 0, 0, 0},
- 30, 30, 45, 35, 20, 4, 6, 3, 1, 0, 30, 1, "dd destroyer",
- 70, 600, M_MINE | M_DCH | M_SONAR, 0, 1},
-
- {{0, 25, 36, 5, 0, 0, 0, 0, 80, 0, 0, 0, 0, 0},
- 30, 30, 25, 20, 5, 4, 3, 3, 0, 0, 30, 1, "sb submarine",
- 60, 650, M_TORP | M_SUB | M_MINE | M_SONAR, 0, 0},
-
- {{5, 10, 104, 20, 100, 0, 0, 0, 900, 0, 500, 300, 0, 0},
- 40, 40, 50, 30, 2, 3, 0, 0, 0, 0, 50, 2, "sbc cargo submarine",
- 150, 1200, M_SUPPLY | M_OILER | M_SUB | M_SONAR, 0, 0},
-
- {{0, 175, 250, 4, 300, 0, 0, 0, 180, 0, 0, 0, 0, 0},
- 50, 60, 60, 30, 40, 5, 2, 2, 4, 20, 50, 2, "cal light carrier",
- 80, 2700, M_FLY, 20, 0},
-
- {{0, 350, 500, 4, 500, 0, 0, 0, 900, 0, 0, 0, 0, 0},
- 60, 70, 80, 35, 40, 7, 2, 2, 10, 40, 120, 3, "car aircraft carrier",
- 160, 4500, M_FLY, 40, 0},
-
- {{0, 350, 999, 4, 999, 0, 0, 0, 900, 0, 0, 0, 0, 0},
- 70, 80, 100, 45, 40, 9, 2, 2, 20, 4, 0, 0, "can nuc carrier",
- 305, 8000, M_OILER | M_FLY | M_SUPPLY, 60, 0},
-
- {{0, 400, 10, 1, 0, 0, 0, 0, 300, 0, 0, 0, 0, 0},
- 60, 40, 40, 30, 30, 2, 0, 0, 2, 0, 30, 1, "ls landing ship",
- 145, 1000, M_LAND, 0, 6},
-
- {{0, 60, 60, 4, 0, 0, 0, 0, 120, 0, 0, 0, 0, 0},
- 40, 30, 50, 35, 30, 5, 2, 2, 4, 0, 40, 1, "af asw frigate",
- 220, 800, M_TORP | M_SUBT | M_DCH | M_SONAR, 0, 0},
-
- {{0, 25, 60, 6, 0, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 30, 40, 45, 40, 3, 6, 5, 3, 0, 0, 0, 0, "na nuc attack sub",
- 260, 1200, M_TORP | M_SUB | M_MINE | M_SONAR | M_SUBT, 0, 0},
-
- {{0, 100, 80, 6, 40, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 40, 40, 60, 40, 35, 6, 8, 3, 10, 2, 80, 2, "ad asw destroyer",
- 240, 1500, M_TORP | M_SUBT | M_DCH | M_SONAR, 0, 0},
-
- {{0, 25, 200, 1, 0, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 30, 40, 55, 35, 2, 6, 0, 0, 0, 0, 0, 0, "nm nuc miss sub",
- 270, 1500, M_SUB | M_SONAR, 20, 0},
-
- {{0, 25, 100, 1, 0, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 30, 30, 35, 30, 3, 3, 0, 0, 0, 0, 30, 1, "msb missile sub",
- 230, 1200, M_SUB | M_SONAR, 10, 0},
-
- {{0, 5, 100, 3, 0, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 20, 20, 15, 40, 15, 3, 2, 2, 0, 0, 7, 1, "mb missile boat",
- 180, 500, 0, 10, 0},
-
- {{0, 60, 220, 4, 0, 0, 0, 0, 120, 0, 0, 0, 0, 0},
- 40, 30, 50, 35, 30, 5, 2, 2, 2, 0, 30, 1, "mf missile frigate",
- 280, 1000, 0, 20, 0},
-
- {{0, 120, 500, 6, 160, 0, 0, 0, 200, 0, 0, 0, 0, 0},
- 50, 50, 70, 35, 35, 8, 8, 6, 8, 8, 35, 1, "mc missile cruiser",
- 290, 1500, M_ANTIMISSILE, 40, 0},
-
- {{0, 100, 100, 15, 0, 0, 0, 0, 200, 0, 0, 0, 0, 0},
- 50, 60, 80, 35, 30, 6, 1, 8, 1, 0, 60, 2, "aac aa cruiser",
- 130, 1500, M_ANTIMISSILE, 0, 4},
-
- {{0, 200, 400, 25, 40, 0, 0, 0, 900, 0, 0, 0, 0, 0},
- 50, 60, 80, 35, 30, 6, 1, 16, 30, 2, 0, 0, "agc aegis cruiser",
- 265, 4000, M_ANTIMISSILE, 32, 0},
-
- {{0, 200, 400, 8, 40, 0, 0, 0, 900, 0, 0, 0, 0, 0},
- 50, 50, 100, 45, 35, 6, 14, 7, 10, 2, 0, 0, "ncr nuc cruiser",
- 325, 1800, M_ANTIMISSILE, 20, 0},
-
- {{0, 200, 120, 6, 160, 0, 0, 0, 500, 0, 0, 0, 0, 0},
- 50, 50, 80, 45, 35, 9, 10, 4, 25, 8, 0, 0, "nas nuc asw cruiser",
- 330, 1800, M_TORP | M_SUBT | M_DCH | M_SONAR, 0, 0},
-
-/* c m s g p i d b f o l h u r */
- {{50, 50, 600, 50, 999, 0, 0, 0, 999, 0,1500, 900, 0, 0},
- 60, 40, 40, 45, 35, 6, 0, 0, 10, 2, 0, 0, "nsp nuc supply ship",
- 360, 1500, M_SUPPLY, 0, 2},
-
- {{0},
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL,
- 0, 0, 0, 0, 0}
-};
+/*
+ * Table of ship types
+ * Initialized on startup from ship.config and deity custom config (if any).
+ * Terminated by a sentinel with null m_name.
+ */
+struct mchrstr mchr[SHP_TYPE_MAX + 2];
+
+#define logx(a, b) (log((a)) / log((b)))
+#define SHP_DEF(b, t) (t ? (b * (logx(t, 40.0) < 1.0 ? 1.0 : \
+ logx(t, 40.0))) : b)
+#define SHP_SPD(b, t) (t ? (b * (logx(t, 35.0) < 1.0 ? 1.0 : \
+ logx(t, 35.0))) : b)
+#define SHP_VIS(b, t) (b * (1 - (sqrt(t) / 50)))
+#define SHP_RNG(b, t) (t ? (b * (logx(t, 35.0) < 1.0 ? 1.0 : \
+ logx(t, 35.0))) : b)
+#define SHP_FIR(b, t) (t ? (b * (logx(t, 60.0) < 1.0 ? 1.0 : \
+ logx(t, 60.0))) : b)
+
+int
+m_armor(struct mchrstr *mcp, int tech)
+{
+ return SHP_DEF(mcp->m_armor, MAX(0, tech - mcp->m_tech));
+}
+
+int
+m_speed(struct mchrstr *mcp, int tech)
+{
+ return SHP_SPD(mcp->m_speed, MAX(0, tech - mcp->m_tech));
+}
+
+int
+m_visib(struct mchrstr *mcp, int tech)
+{
+ return SHP_VIS(mcp->m_visib, MAX(0, tech - mcp->m_tech));
+}
+
+int
+m_frnge(struct mchrstr *mcp, int tech)
+{
+ return SHP_RNG(mcp->m_frnge, MAX(0, tech - mcp->m_tech));
+}
+
+int
+m_glim(struct mchrstr *mcp, int tech)
+{
+ return SHP_FIR(mcp->m_glim, MAX(0, tech - mcp->m_tech));
+}
+
+int
+shp_armor(struct shpstr *sp)
+{
+ return m_armor(mchr + sp->shp_type, sp->shp_tech);
+}
+
+int
+shp_speed(struct shpstr *sp)
+{
+ return m_speed(mchr + sp->shp_type, sp->shp_tech);
+}
+
+int
+shp_visib(struct shpstr *sp)
+{
+ return m_visib(mchr + sp->shp_type, sp->shp_tech);
+}
+
+int
+shp_frnge(struct shpstr *sp)
+{
+ return m_frnge(mchr + sp->shp_type, sp->shp_tech);
+}
+
+int
+shp_glim(struct shpstr *sp)
+{
+ return m_glim(mchr + sp->shp_type, sp->shp_tech);
+}