/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2013, 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 "var.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*/
-
-{ 4,
- { V_CIVIL, V_MILIT, V_FOOD, V_UW },
- { 300, 10, 900, 15 },
-25, 15, 10, 10, 15, 2, 0, 0, 0, 0, 0, 0, "fb fishing boat", 0, 180,
- M_FOOD, 0, 0,
-},
-
-{ 4,
- { V_CIVIL, V_MILIT, V_FOOD, V_UW },
- { 300, 10, 900, 15 },
-25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "ft fishing trawler", 35, 300,
- M_FOOD, 0, 0,
-},
-
-{ 8,
- { V_CIVIL, V_MILIT, V_SHELL, V_GUN, V_FOOD, V_LCM, V_HCM, V_UW },
- { 600, 50, 300, 50, 900, 1400, 900, 250 },
-60, 40, 20, 25, 35, 3, 0, 0, 1, 0, 0, 0, "cs cargo ship", 20, 500,
- M_SUPPLY, 0, 2,
-},
-
-{ 7,
- { V_CIVIL, V_MILIT, V_IRON, V_DUST, V_FOOD, V_UW, V_RAD },
- { 30, 5, 990, 990, 200, 45, 990 },
-60, 40, 20, 25, 35, 3, 0, 0, 1, 0, 30, 1, "os ore ship", 20, 500,
- 0, 0, 0,
-},
-
-{ 4,
- { V_CIVIL, V_MILIT, V_FOOD, V_UW },
- { 20, 80, 200, 1200 },
-60, 40, 20, 10, 35, 3, 0, 0, 1, 0, 0, 0, "ss slave ship", 0, 300,
- 0, 0, 0,
-},
-
-{ 3,
- { V_CIVIL, V_MILIT, V_FOOD },
- { 50, 50, 100 },
-200, 100, 20, 25, 35, 3, 0, 0, 1, 0, 30, 1, "ts trade ship", 30, 1750,
- M_TRADE, 0, 0,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 60, 10, 2, 60 },
-30, 30, 50, 25, 25, 3, 1, 1, 1, 0, 0, 0, "frg frigate", 0, 600,
- M_SEMILAND, 0, 2,
-},
-
-{ 4,
- { V_CIVIL, V_MILIT, V_FOOD, V_OIL },
- { 10, 5, 100, 1 },
-25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "oe oil exploration boat", 40, 800,
- M_OIL, 0, 0,
-},
-
-{ 5,
- { V_CIVIL, V_MILIT, V_FOOD, V_OIL, V_UW },
- { 990, 80, 990, 990, 990 },
-60, 60, 30, 15, 65, 3, 0, 0, 2, 0, 0, 0, "od oil derrick", 50, 1500,
- M_OIL, 0, 0,
-},
-
-{ 4,
- { V_MILIT, V_GUN, V_SHELL, V_FOOD },
- { 2, 2, 12, 5 },
-20, 10, 10, 38, 10, 2, 1, 1, 0, 0, 4, 1, "pt patrol boat", 40, 300,
- M_TORP, 0, 0,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 100, 40, 5, 100 },
-30, 40, 50, 30, 30, 5, 6, 3, 1, 0, 40, 1, "lc light cruiser", 45, 800,
- M_MINE, 0, 2,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 120, 100, 8, 200 },
-40, 50, 70, 30, 30, 5, 8, 4, 1, 0, 30, 1, "hc heavy cruiser", 50, 1200,
- 0, 0, 4,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 120, 20, 4, 120 },
-50, 50, 60, 20, 35, 3, 1, 2, 1, 0, 0, 0, "tt troop transport", 10, 800,
- M_SEMILAND, 0, 2,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 200, 200, 10, 900 },
-50, 70, 95, 25, 35, 6, 10, 7, 1, 0, 50, 2, "bb battleship", 45, 1800,
- 0, 0, 2,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 180, 100, 10, 400 },
-50, 60, 55, 30, 35, 6, 10, 6, 1, 0, 60, 2, "bbc battlecruiser", 75, 1500,
- 0, 0, 2,
-},
-
-{ 6,
- { V_CIVIL, V_MILIT, V_PETROL, V_FOOD, V_OIL, V_UW },
- { 30, 5, 990, 200, 990, 25 },
-60, 40, 75, 25, 45, 3, 0, 0, 1, 0, 30, 1, "tk tanker", 35, 600,
- M_OILER|M_SUPPLY, 0, 0,
-},
-
-{ 4,
- { V_MILIT, V_FOOD, V_SHELL, V_GUN },
- { 10, 90, 100, 1 },
-25, 15, 10, 25, 15, 2, 0, 0, 0, 0, 20, 1, "ms minesweeper", 40, 400,
- M_MINE|M_SWEEP, 0, 0,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 60, 40, 4, 80 },
-30, 30, 45, 35, 20, 4, 6, 3, 1, 0, 30, 1, "dd destroyer", 70, 600,
- M_MINE|M_DCH|M_SONAR, 0, 1,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 25, 36, 5, 80 },
-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,
-},
-
-{ 8,
- { V_CIVIL, V_MILIT, V_SHELL, V_GUN, V_FOOD, V_LCM, V_HCM, V_PETROL },
- { 5, 10, 104, 20, 900, 500, 300, 100 },
-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,
-},
-
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 175, 250, 4, 300, 180 },
-50, 60, 60, 30, 40, 5, 2, 2, 4, 20, 50, 2, "cal light carrier", 80, 2700,
- M_FLY, 20, 0,
-},
-
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 350, 500, 4, 500, 900 },
-60, 70, 80, 35, 40, 7, 2, 2, 10, 40, 120, 3, "car aircraft carrier", 160, 4500,
- M_FLY, 40, 0,
-},
-
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 350, 999, 4, 999, 900 },
-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,
-},
-
-{ 4,
- { V_MILIT, V_FOOD , V_GUN , V_SHELL },
- { 400, 300 , 1 , 10 },
-60, 40, 40, 30, 30, 2, 0, 0, 2, 0, 30, 1, "ls landing ship", 145, 1000,
- M_LAND, 0, 6,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 60, 60, 4, 120 },
-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,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 25, 60, 6, 500 },
-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,
-},
-
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 100, 80, 6, 40, 500 },
-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,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_FOOD, V_GUN },
- { 25, 200, 500, 1 },
-30, 40, 55, 35, 2, 6, 0, 0, 0, 0, 0, 0, "nm nuc miss sub", 270, 1500,
- M_SUB|M_SONAR, 20, 0,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_FOOD, V_GUN },
- { 25, 100, 500, 1 },
-30, 30, 35, 30, 3, 3, 0, 0, 0, 0, 30, 1, "msb missile sub", 230, 1200,
- M_SUB|M_SONAR, 10, 0,
-},
-
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 5, 100, 3, 500 },
-20, 20, 15, 40, 15, 3, 2, 2, 0, 0, 7, 1, "mb missile boat", 180, 500,
- 0, 10, 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));
+}
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 60, 220, 4, 120 },
-40, 30, 50, 35, 30, 5, 2, 2, 2, 0, 30, 1, "mf missile frigate", 280, 1000,
- 0, 20, 0,
-},
+int
+m_speed(struct mchrstr *mcp, int tech)
+{
+ return SHP_SPD(mcp->m_speed, MAX(0, tech - mcp->m_tech));
+}
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 120, 500, 6, 160, 200 },
-50, 50, 70, 35, 35, 8, 8, 6, 8, 8, 35, 1, "mc missile cruiser", 290, 1500,
- M_ANTIMISSILE, 40, 0,
-},
+int
+m_visib(struct mchrstr *mcp, int tech)
+{
+ return SHP_VIS(mcp->m_visib, MAX(0, tech - mcp->m_tech));
+}
-{ 4,
- { V_MILIT, V_SHELL, V_GUN, V_FOOD },
- { 100, 100, 15, 200 },
-50, 60, 80, 35, 30, 6, 1, 8, 1, 0, 60, 2, "aac aa cruiser", 130, 1500,
- M_ANTIMISSILE, 0, 4,
-},
+int
+m_frnge(struct mchrstr *mcp, int tech)
+{
+ return SHP_RNG(mcp->m_frnge, MAX(0, tech - mcp->m_tech));
+}
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 200, 400, 25, 40, 900 },
-50, 60, 80, 35, 30, 6, 1, 16, 30, 2, 0, 0, "agc aegis cruiser", 265, 4000,
- M_ANTIMISSILE, 32, 0,
-},
+int
+m_glim(struct mchrstr *mcp, int tech)
+{
+ return SHP_FIR(mcp->m_glim, MAX(0, tech - mcp->m_tech));
+}
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 200, 400, 8, 40, 900 },
-50, 50, 100, 45, 35, 6, 14, 7, 10, 2, 0, 0, "ncr nuc cruiser", 325, 1800,
- M_ANTIMISSILE, 20, 0,
-},
+int
+shp_armor(struct shpstr *sp)
+{
+ return m_armor(mchr + sp->shp_type, sp->shp_tech);
+}
-{ 5,
- { V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD },
- { 200, 120, 6, 160, 500 },
-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,
-},
+int
+shp_speed(struct shpstr *sp)
+{
+ return m_speed(mchr + sp->shp_type, sp->shp_tech);
+}
-{ 8,
- { V_CIVIL, V_MILIT, V_SHELL, V_GUN, V_PETROL, V_FOOD, V_LCM, V_HCM },
- { 50, 50, 600, 50, 999, 999, 1500, 900 },
-60, 40, 40, 45, 35, 6, 0, 0, 10, 2, 0, 0, "nsp nuc supply ship", 360, 1500,
- M_SUPPLY,0,2,
-},
+int
+shp_visib(struct shpstr *sp)
+{
+ return m_visib(mchr + sp->shp_type, sp->shp_tech);
+}
-{ 0,
- { 0 },
- { 0 },
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "", 0, 0,
- 0, 0, 0,
+int
+shp_frnge(struct shpstr *sp)
+{
+ return m_frnge(mchr + sp->shp_type, sp->shp_tech);
}
-};
-int shp_maxno = (sizeof(mchr) / sizeof(struct mchrstr)) - 1;
+int
+shp_glim(struct shpstr *sp)
+{
+ return m_glim(mchr + sp->shp_type, sp->shp_tech);
+}
projects / empserver / blobdiff