alliance code. #define ALLIANCES to use.

requires that alliancejoin and alliancekick are called at some point in the code.

src/common/kernel/alliance.c

@@ -0,0 +1,160 @@
+/* vi: set ts=2:
+ +-------------------+  Christian Schlittchen <corwin@amber.kn-bremen.de>
+ |                   |  Enno Rehling <enno@eressea-pbem.de>
+ | Eressea PBEM host |  Katja Zedel <katze@felidae.kn-bremen.de>
+ | (c) 1998 - 2001   |  Henning Peters <faroul@beyond.kn-bremen.de>
+ |                   |  Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
+ +-------------------+  Stefan Reich <reich@halbling.de>
+
+ This program may not be used, modified or distributed
+ without prior permission by the authors of Eressea.
+*/
+
+#include <config.h>
+#include <eressea.h>
+#include "alliance.h"
+#include "command.h"
+
+/* kernel includes */
+#include <faction.h>
+#include <message.h>
+#include <region.h>
+#include <unit.h>
+
+/* util includes */
+#include <umlaut.h>
+
+/* libc includes */
+#include <stdlib.h>
+#include <string.h>
+
+alliance * alliances = NULL;
+
+alliance *
+makealliance(int id, const char * name)
+{
+	alliance * al = calloc(1, sizeof(alliance));
+	al->id=id;
+	al->name=strdup(name);
+	al->next=alliances;
+	return alliances=al;
+}
+
+alliance *
+findalliance(int id)
+{
+	alliance * al;
+	for (al=alliances;al;al=al->next) {
+		if (al->id==id) return al;
+	}
+	return NULL;
+}
+
+void destroy_kick(struct attrib * a)
+{
+	faction_list * flist = (faction_list*)a->data.v;
+	freelist(flist);
+}
+
+const attrib_type at_kick = { "kick", 
+	DEFAULT_INIT, destroy_kick
+};
+
+static attrib *
+make_kick(void)
+{
+	return a_new(&at_kick);
+}
+
+void
+add_kick(attrib * a, const faction * f)
+{
+	faction_list * flist = (faction_list*)a->data.v;
+	while (flist && flist->data!=f) flist = flist->next;
+	if (flist) return;
+	flist = calloc(1, sizeof(faction_list));
+	flist->data = (void*)f;
+	flist->next = (faction_list*)a->data.v;
+	a->data.v = flist;
+}
+
+static void
+alliance_kick(const char * str, void * data, const char * cmd)
+{
+	unit * u = (unit*)data;
+	faction * f = findfaction(atoi36(igetstrtoken(str)));
+	attrib * a;
+
+	if (f==NULL || f->alliance!=u->faction->alliance) {
+		/* does not belong to our alliance */
+		return;
+	}
+	a = a_find(f->attribs, &at_kick);
+	if (a==NULL) a = a_add(&f->attribs, make_kick());
+	add_kick(a, f);
+}
+
+static void
+alliance_join(const char * str, void * data, const char * cmd)
+{
+	unit * u = (unit*)data;
+	alliance * al = findalliance(atoi36(igetstrtoken(str)));
+	
+	if (u->faction->alliance!=NULL || al==NULL) {
+		/* not found */
+		return;
+	}
+	u->faction->alliance = al;
+	/* inform the rest? */
+}
+
+static tnode * g_keys;
+static void
+alliance_command(const char * str, void * data, const char * cmd)
+{
+	do_command(g_keys, data, str);
+}
+
+static void
+execute(tnode * root)
+{
+	region ** rp = &regions;
+	while (*rp) {
+		region * r = *rp;
+		unit **up = &r->units;
+		while (*up) {
+			unit * u = *up;
+			strlist * order;
+			for (order = u->orders; order; order = order->next) {
+				if (igetkeyword(order->s, u->faction->locale) == K_ALLIANCE) {
+					do_command(root, u, order->s);
+				}
+			}
+			if (u==*up) up = &u->next;
+		}
+		if (*rp==r) rp = &r->next;
+	}
+}
+
+void
+alliancejoin(void)
+{
+	tnode root;
+	add_command(&root, "alliance", &alliance_command);
+	g_keys = calloc(1, sizeof(tnode));
+	add_command(g_keys, "join", &alliance_join);
+	execute(&root);
+	free(g_keys);
+}
+
+void
+alliancekick(void)
+{
+	tnode root;
+	add_command(&root, "alliance", &alliance_command);
+	g_keys = calloc(1, sizeof(tnode));
+	add_command(g_keys, "kick", &alliance_kick);
+	execute(&root);
+	free(g_keys);
+}
+

src/common/kernel/alliance.h

@@ -0,0 +1,34 @@
+/* vi: set ts=2:
+ *
+ *
+ * Eressea PB(E)M host Copyright (C) 1998-2000
+ *      Christian Schlittchen (corwin@amber.kn-bremen.de)
+ *      Katja Zedel (katze@felidae.kn-bremen.de)
+ *      Henning Peters (faroul@beyond.kn-bremen.de)
+ *      Enno Rehling (enno@eressea-pbem.de)
+ *      Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
+ *
+ * This program may not be used, modified or distributed without
+ * prior permission by the authors of Eressea.
+ */
+
+struct plane;
+struct attrib;
+struct unit;
+struct faction;
+struct region;
+
+typedef struct alliance {
+	struct alliance * next;
+	int id;
+	char * name;
+} alliance;
+
+extern alliance * alliances;
+extern alliance * findalliance(int id);
+extern alliance * makealliance(int id, const char * name);
+
+extern void alliancejoin(void);
+extern void alliancekick(void);
+/* execute commands */
+

src/common/kernel/battle.c

@@ -336,16 +336,13 @@ set_enemy(side * as, side * ds, boolean attacking)
 	if (attacking) as->enemy[ds->index] |= E_ATTACKING;
 }
 
-extern int alliance(const ally * sf, const faction * f, int mode);
+#ifdef ALLIANCES
-
 static int
-allysf(side * s, faction * f)
+allysfm(side * s, faction * f, int mode)
 {
-	if (s->bf->faction==f) return true;
+	return isallied(s->battle->plane, s->faction, f, mode);
-	if (s->group) return alliance(s->group->allies, f, HELP_FIGHT);
-	return alliance(s->bf->faction->allies, f, HELP_FIGHT);
 }
-
+#else
 static int
 allysfm(side * s, faction * f, int mode)
 {
@@ -353,6 +350,14 @@ allysfm(side * s, faction * f, int mode)
 	if (s->group) return alliance(s->group->allies, f, mode);
 	return alliance(s->bf->faction->allies, f, mode);
 }
+#endif
+
+static int
+allysf(side * s, faction * f)
+{
+	return allysfm(s, f, HELP_FIGHT);
+}
+
 
 troop
 select_corpse(battle * b, fighter * af)

src/common/kernel/eressea.c

@@ -725,6 +725,24 @@ unit_has_cursed_item(unit *u)
 	return false;
 }
 
+#ifdef ALLIANCES
+int
+allied(const unit * u, const faction * f2, int mode)
+{
+	if (u->faction->alliance==f2->alliance) return mode;
+	return 0;
+}
+
+int
+isallied(const plane * pl, const faction * f, const faction * f2, int mode)
+{
+	unused(pl);
+	if (f->alliance==f2->alliance) return mode;
+	return 0;
+}
+
+#else
+
 /* f hat zu f2 HELFE mode gesetzt */
 int
 isallied(const plane * pl, const faction * f, const faction * f2, int mode)
@@ -751,7 +769,7 @@ isallied(const plane * pl, const faction * f, const faction * f2, int mode)
 	return 0;
 }
 
-int
+static int
 alliance(const ally * sf, const faction * f, int mode)
 {
 	while (sf) {
@@ -792,6 +810,7 @@ allied(const unit * u, const faction * f2, int mode)
 	if (a) sf = ((group*)a->data.v)->allies;
 	return alliance(sf, f2, mode);
 }
+#endif
 
 boolean
 seefaction(const faction * f, const region * r, const unit * u, int modifier)

src/common/kernel/eressea.h

@@ -154,9 +154,10 @@ struct xml_stack;
 #define WATCHERS_VERSION 310
 #define OVERRIDE_VERSION 311
 #define CURSETYPE_VERSION 312
+#define ALLIANCES_VERSION 313
  
 #define UGROUPS_VERSION 400 /* nicht aktivieren, nicht fertig */
-#define RELEASE_VERSION CURSETYPE_VERSION
+#define RELEASE_VERSION ALLIANCES_VERSION
 
 /*
 #if RELEASE_VERSION >= UGROUPS_VERSION
@@ -440,6 +441,7 @@ enum {
 	K_PFLANZE,
 	K_WEREWOLF,
 	K_XE,
+	K_ALLIANCE,
 	MAXKEYWORDS,
 	NOKEYWORD = (keyword_t) - 1
 };

src/common/kernel/faction.h

@@ -14,6 +14,7 @@
 #define FACTION_H
 
 struct player;
+struct alliance;
 
 typedef struct faction {
 	struct faction *next;
@@ -55,6 +56,9 @@ typedef struct faction {
 	int number; /* enno: unterschied zu num_people ? */
 	int money;
 	int score;
+#ifdef ALLIANCES
+	struct alliance * alliance;
+#endif
 #ifdef VICTORY_DELAY
 	unsigned char victory_delay;
 #endif

src/common/kernel/save.c

@@ -50,6 +50,11 @@
 #include <attributes/ugroup.h>
 #endif
 
+/* modules include */
+#ifdef ALLIANCES
+# include <modules/alliance.h>
+#endif
+
 /* attributes includes */
 #include <attributes/key.h>
 
@@ -717,6 +722,20 @@ read_ugroups(FILE *file)
 }
 #endif
 
+#ifdef ALLIANCES
+void 
+read_alliances(FILE * F)
+{
+	char pbuf[32];
+	rns(F, pbuf, sizeof(pbuf));
+	while (strcmp(pbuf, "end")!=0) {
+		rs(F, buf);
+		makealliance(atoi36(pbuf), buf);
+		rns(F, pbuf, sizeof(pbuf));
+	}
+}
+#endif
+
 int
 readgame(boolean backup)
 {
@@ -807,7 +826,11 @@ readgame(boolean backup)
 	}
 
 	/* Read factions */
-
+#ifdef ALLIANCES
+	if (global.data_version>ALLIANCES_VERSION) {
+		read_alliances(F);
+	}
+#endif
 	n = ri(F);
 	printf(" - Einzulesende Parteien: %d\n", n);
 	fp = &factions;
@@ -1114,6 +1137,22 @@ void wi36(FILE * F, int n)
 	fprintf(F, "%s ", itoa36(n));
 }
 
+#ifdef ALLIANCES
+void
+write_alliances(FILE * F)
+{
+	alliance * al = alliances;
+	while (al) {
+		ws(F, itoa36(al->id));
+		ws(F, al->name);
+		al = al->next;
+		wnl(F);
+	}
+	ws(F, "end");
+	wnl(F);
+}
+#endif
+
 void
 write_items(FILE *F, item *ilist)
 {
@@ -1263,7 +1302,9 @@ writegame(char *path, char quiet)
 
 
 	/* Write factions */
-
+#if defined(ALLIANCES) && RELEASE_VERSION>=ALLIANCES_VERSION
+	write_alliances(F);
+#endif
 	n=listlen(factions);
 	wi(F, n);
 	wnl(F);

src/common/modules/alliance.c

@@ -0,0 +1,160 @@
+/* vi: set ts=2:
+ +-------------------+  Christian Schlittchen <corwin@amber.kn-bremen.de>
+ |                   |  Enno Rehling <enno@eressea-pbem.de>
+ | Eressea PBEM host |  Katja Zedel <katze@felidae.kn-bremen.de>
+ | (c) 1998 - 2001   |  Henning Peters <faroul@beyond.kn-bremen.de>
+ |                   |  Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
+ +-------------------+  Stefan Reich <reich@halbling.de>
+
+ This program may not be used, modified or distributed
+ without prior permission by the authors of Eressea.
+*/
+
+#include <config.h>
+#include <eressea.h>
+#include "alliance.h"
+#include "command.h"
+
+/* kernel includes */
+#include <faction.h>
+#include <message.h>
+#include <region.h>
+#include <unit.h>
+
+/* util includes */
+#include <umlaut.h>
+
+/* libc includes */
+#include <stdlib.h>
+#include <string.h>
+
+alliance * alliances = NULL;
+
+alliance *
+makealliance(int id, const char * name)
+{
+	alliance * al = calloc(1, sizeof(alliance));
+	al->id=id;
+	al->name=strdup(name);
+	al->next=alliances;
+	return alliances=al;
+}
+
+alliance *
+findalliance(int id)
+{
+	alliance * al;
+	for (al=alliances;al;al=al->next) {
+		if (al->id==id) return al;
+	}
+	return NULL;
+}
+
+void destroy_kick(struct attrib * a)
+{
+	faction_list * flist = (faction_list*)a->data.v;
+	freelist(flist);
+}
+
+const attrib_type at_kick = { "kick", 
+	DEFAULT_INIT, destroy_kick
+};
+
+static attrib *
+make_kick(void)
+{
+	return a_new(&at_kick);
+}
+
+void
+add_kick(attrib * a, const faction * f)
+{
+	faction_list * flist = (faction_list*)a->data.v;
+	while (flist && flist->data!=f) flist = flist->next;
+	if (flist) return;
+	flist = calloc(1, sizeof(faction_list));
+	flist->data = (void*)f;
+	flist->next = (faction_list*)a->data.v;
+	a->data.v = flist;
+}
+
+static void
+alliance_kick(const char * str, void * data, const char * cmd)
+{
+	unit * u = (unit*)data;
+	faction * f = findfaction(atoi36(igetstrtoken(str)));
+	attrib * a;
+
+	if (f==NULL || f->alliance!=u->faction->alliance) {
+		/* does not belong to our alliance */
+		return;
+	}
+	a = a_find(f->attribs, &at_kick);
+	if (a==NULL) a = a_add(&f->attribs, make_kick());
+	add_kick(a, f);
+}
+
+static void
+alliance_join(const char * str, void * data, const char * cmd)
+{
+	unit * u = (unit*)data;
+	alliance * al = findalliance(atoi36(igetstrtoken(str)));
+	
+	if (u->faction->alliance!=NULL || al==NULL) {
+		/* not found */
+		return;
+	}
+	u->faction->alliance = al;
+	/* inform the rest? */
+}
+
+static tnode * g_keys;
+static void
+alliance_command(const char * str, void * data, const char * cmd)
+{
+	do_command(g_keys, data, str);
+}
+
+static void
+execute(tnode * root)
+{
+	region ** rp = &regions;
+	while (*rp) {
+		region * r = *rp;
+		unit **up = &r->units;
+		while (*up) {
+			unit * u = *up;
+			strlist * order;
+			for (order = u->orders; order; order = order->next) {
+				if (igetkeyword(order->s, u->faction->locale) == K_ALLIANCE) {
+					do_command(root, u, order->s);
+				}
+			}
+			if (u==*up) up = &u->next;
+		}
+		if (*rp==r) rp = &r->next;
+	}
+}
+
+void
+alliancejoin(void)
+{
+	tnode root;
+	add_command(&root, "alliance", &alliance_command);
+	g_keys = calloc(1, sizeof(tnode));
+	add_command(g_keys, "join", &alliance_join);
+	execute(&root);
+	free(g_keys);
+}
+
+void
+alliancekick(void)
+{
+	tnode root;
+	add_command(&root, "alliance", &alliance_command);
+	g_keys = calloc(1, sizeof(tnode));
+	add_command(g_keys, "kick", &alliance_kick);
+	execute(&root);
+	free(g_keys);
+}
+

src/common/modules/alliance.h

@@ -0,0 +1,34 @@
+/* vi: set ts=2:
+ *
+ *
+ * Eressea PB(E)M host Copyright (C) 1998-2000
+ *      Christian Schlittchen (corwin@amber.kn-bremen.de)
+ *      Katja Zedel (katze@felidae.kn-bremen.de)
+ *      Henning Peters (faroul@beyond.kn-bremen.de)
+ *      Enno Rehling (enno@eressea-pbem.de)
+ *      Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
+ *
+ * This program may not be used, modified or distributed without
+ * prior permission by the authors of Eressea.
+ */
+
+struct plane;
+struct attrib;
+struct unit;
+struct faction;
+struct region;
+
+typedef struct alliance {
+	struct alliance * next;
+	int id;
+	char * name;
+} alliance;
+
+extern alliance * alliances;
+extern alliance * findalliance(int id);
+extern alliance * makealliance(int id, const char * name);
+
+extern void alliancejoin(void);
+extern void alliancekick(void);
+/* execute commands */
+

src/common/modules/modules.dsp

@@ -86,6 +86,10 @@ LIB32=link.exe -lib
 # PROP Default_Filter "*.h"
 # Begin Source File
 
+SOURCE=.\alliance.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\arena.h
 # End Source File
 # Begin Source File
@@ -135,6 +139,10 @@ SOURCE=.\xmas2001.h
 # End Group
 # Begin Source File
 
+SOURCE=.\alliance.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\arena.c
 # End Source File
 # Begin Source File