http://eressea.upb.de/mantis/view.php?id=549

Insekten bekommen Winterwarnung, obwohl es Sommer ist

calendar erweitert, so dass an keiner andren Stelle im Code mehr gerechnet werden muss.

src/common/gamecode/economy.c

@@ -455,7 +455,7 @@ recruit(unit * u, struct order * ord, request ** recruitorders)
 #endif
 
 	if (rc == new_race[RC_INSECT]) {
-		if (month_season[month(0)] == 0 && rterrain(r) != T_DESERT) {
+		if (get_gamedate(turn, 0)->season == 0 && rterrain(r) != T_DESERT) {
 #ifdef INSECT_POTION
 			boolean usepotion = false;
 			unit *u2;
@@ -2454,7 +2454,9 @@ breedtrees(region *r, unit *u, int raw)
 {
 	int n, i, skill, planted = 0;
 	const item_type * itype;
-	int current_season = season(turn);
+	static int current_season = -1;
+  
+  if (current_season<0) current_season = get_gamedate(turn, NULL)->season;
 
 	/* Bäume züchten geht nur im Frühling */
 	if (current_season != SEASON_SPRING){

src/common/gamecode/laws.c

@@ -41,6 +41,7 @@
 #include <kernel/battle.h>
 #include <kernel/border.h>
 #include <kernel/building.h>
+#include <kernel/calendar.h>
 #include <kernel/faction.h>
 #include <kernel/group.h>
 #include <kernel/item.h>
@@ -867,18 +868,19 @@ iron(region * r)
 
 }
 #endif /* NEW_RESOURCEGROWTH */
-/* ------------------------------------------------------------- */
-
-
-extern int season(int turn);
 
 void
 demographics(void)
 {
   region *r;
 #if GROWING_TREES
-  int current_season = season(turn);
+  static int last_weeks_season = -1;
-  int last_weeks_season = season(turn-1);
+  static int current_season = -1;
+
+  if (current_season<0) {
+    current_season = get_gamedate(turn, NULL)->season;
+    last_weeks_season = get_gamedate(turn-1, NULL)->season;
+  }
 #endif
 
   for (r = regions; r; r = r->next) {

src/common/gamecode/report.c

@@ -186,47 +186,20 @@ read_datenames(const char *filename)
 	return 0;
 }
 
-int
-season(int turn)
-{
-	int year,month;
-	int t = turn - FirstTurn();
-
-	year  = t/(months_per_year * weeks_per_month) + 1;
-	month = (t - (year-1) * months_per_year * weeks_per_month)/weeks_per_month;
-
-	assert(month >= 0 && month < months_per_year);
-
-	return month_season[month];
-}
-
-static void
-get_gamedate(int * year, int * month, int * week)
-{
-  int weeks_per_year = months_per_year * weeks_per_month;
-  int t = turn - FirstTurn();
-
-  if (t<0) t = turn;
-
-  *week  = t%weeks_per_month;			/* 0 - weeks_per_month-1 */
-  *month = (t/weeks_per_month + first_month)%months_per_year;			/* 0 - months_per_year-1 */
-  *year  = t/(weeks_per_year) + 1;
-}
-
 static char *
 gamedate_season(const struct locale * lang)
 {
 	static char buf[256];
-  int year, month, week;
+  gamedate gd;
 
-  get_gamedate(&year, &month, &week);
+  get_gamedate(turn, &gd);
 
   sprintf(buf, LOC(lang, "nr_calendar_season"),
-		LOC(lang, weeknames[week]),
+		LOC(lang, weeknames[gd.week]),
-		LOC(lang, monthnames[month]),
+		LOC(lang, monthnames[gd.month]),
-		year,
+		gd.year,
 		LOC(lang, agename),
-		LOC(lang, seasonnames[month_season[month]]));
+		LOC(lang, seasonnames[gd.season]));
 
 	return buf;
 }
@@ -235,13 +208,13 @@ static char *
 gamedate2(const struct locale * lang)
 {
 	static char buf[256];
-  int year, month, week;
+  gamedate gd;
 
-  get_gamedate(&year, &month, &week);
+  get_gamedate(turn, &gd);
   sprintf(buf, "in %s des Monats %s im Jahre %d %s.",
-    LOC(lang, weeknames2[week]),
+    LOC(lang, weeknames2[gd.week]),
-    LOC(lang, monthnames[month]),
+    LOC(lang, monthnames[gd.month]),
-    year,
+    gd.year,
     LOC(lang, agename));
   return buf;
 }
@@ -250,10 +223,10 @@ static char *
 gamedate_short(const struct locale * lang)
 {
 	static char buf[256];
-  int year, month, week;
+  gamedate gd;
 
-  get_gamedate(&year, &month, &week);
+  get_gamedate(turn, &gd);
-	sprintf(buf, "%d/%s/%d", week+1, LOC(lang, monthnames[month]), year);
+	sprintf(buf, "%d/%s/%d", gd.week+1, LOC(lang, monthnames[gd.month]), gd.year);
 
 	return buf;
 }
@@ -2084,18 +2057,24 @@ report(FILE *F, faction * f, struct seen_region ** seen, const faction_list * ad
 
 	/* Insekten-Winter-Warnung */
 	if(f->race == new_race[RC_INSECT]) {
-		if(month_season[month(1)] == 0) {
+    static int thisseason = -1;
+    if (thisseason<0) thisseason = get_gamedate(turn+1, 0)->season;
+		if (thisseason == 0) {
 			strcpy(buf, "Es ist Winter, und Insekten können nur in Wüsten oder mit "
 				"Hilfe des Nestwärme-Tranks Personen rekrutieren.");
 			centre(F, buf, true);
 			rnl(F);
-		} else if(month_season[month(2)] == 0) {
+    } else {
+      static int nextseason = -1;
+      if (nextseason<0) nextseason = get_gamedate(turn+2, 0)->season;
+      if (nextseason == 0) {
         strcpy(buf, "Es ist Spätherbst, und diese Woche ist die letzte vor dem "
           "Winter, in der Insekten rekrutieren können.");
         centre(F, buf, true);
         rnl(F);
       }
 		}
+	}
 
 	sprintf(buf, "%s:", LOC(f->locale, "nr_options"));
 	for (op = 0; op != MAXOPTIONS; op++) {

src/common/kernel/calendar.c

@@ -13,3 +13,20 @@ int  *month_season = NULL;
 char *agename = NULL;
 int  seasons = 0;
 
+gamedate *
+get_gamedate(int turn, gamedate * gd)
+{
+  static gamedate staticdate;
+  int weeks_per_year = months_per_year * weeks_per_month;
+  int t = turn - first_turn;
+
+  if (gd==NULL) gd = &staticdate;
+  if (t<0) t = turn;
+
+  gd->week   = t%weeks_per_month;			/* 0 - weeks_per_month-1 */
+  gd->month  = (t/weeks_per_month + first_month)%months_per_year;			/* 0 - months_per_year-1 */
+  gd->year   = t/(weeks_per_year) + 1;
+  gd->season = month_season[gd->month];
+  return gd;
+}
+

src/common/kernel/calendar.h

@@ -17,4 +17,13 @@ extern char **weeknames;
 extern char **weeknames2;
 extern int  weeks_per_month;
 
+typedef struct gamedate {
+  int year;
+  int season;
+  int month;
+  int week;
+} gamedate;
+
+extern gamedate * get_gamedate(int turn, gamedate * gd);
+
 #endif

src/common/kernel/eressea.c

@@ -193,12 +193,6 @@ AllianceRestricted(void)
   return value;
 }
 
-int 
-FirstTurn(void)
-{
-  return first_turn;
-}
-
 int
 LongHunger(const struct unit * u) {
   static int value = -1;
@@ -2414,7 +2408,7 @@ init_data(const char * filename)
   l = read_xml(zText);
   if (l) return l;
   
-  if (turn<FirstTurn()) turn = FirstTurn();
+  if (turn<first_turn) turn = first_turn;
   return 0;
 }
 
@@ -3028,21 +3022,6 @@ add_income(unit * u, int type, int want, int qty)
 		u, u->region, type, want, qty));
 }
 
-int
-month(int offset)
-{
-	int t = turn + offset - FirstTurn();
-	int year, r, month;
-
-        if (t<0) t = turn;
-
-	year  = t/(months_per_year * weeks_per_month) + 1;
-	r     = t - (year-1) * months_per_year * weeks_per_month;
-	month = r/weeks_per_month;
-
-	return month;
-}
-
 void
 reorder_owners(region * r)
 {

src/common/kernel/eressea.h

@@ -1128,7 +1128,6 @@ extern struct message * movement_error(struct unit * u, const char * token, stru
 extern boolean move_blocked(const struct unit * u, const struct region *src, const struct region *dest);
 extern void add_income(struct unit * u, int type, int want, int qty);
 
-extern int month(int offset);
 extern const char * basepath(void);
 extern const char * resourcepath(void);
 extern void kernel_init(void);
@@ -1175,7 +1174,6 @@ extern void set_param(struct param ** p, const char * name, const char * data);
 extern const char* get_param(const struct param * p, const char * name);
 
 extern boolean ExpensiveMigrants(void);
-extern int FirstTurn(void);
 extern int NMRTimeout(void);
 extern int LongHunger(const struct unit * u);
 extern boolean TradeDisabled(void);

src/common/kernel/movement.c

@@ -26,6 +26,7 @@
 #include "border.h"
 #include "build.h"
 #include "building.h"
+#include "calendar.h"
 #include "curse.h"
 #include "faction.h"
 #include "item.h"
@@ -1515,9 +1516,16 @@ sail(unit * u, order * ord, boolean move_on_land, region_list **routep)
     }
 
     if (!flying_ship(sh)) {
+      static int stormyness = -1;
+      int stormchance;
+
+      if (stormyness==-1) {
+        int thismonth = get_gamedate(turn, 0)->month;
+        stormyness = storms[thismonth] * 5;
+      }
 
       /* storms should be the first thing we do. */
-      int stormchance = storms[month(0)] * 5 / shipspeed(sh, u);
+      stormchance = stormyness / shipspeed(sh, u);
       if (check_leuchtturm(next_point, NULL)) stormchance /= 3;
 
       if (rand()%10000 < stormchance && current_point->terrain == T_OCEAN) {
@@ -2223,6 +2231,7 @@ regain_orientation(region * r)
 	ship *sh;
 	curse *c;
 	unit *u, *cap;
+  static int thismonth = get_gamedate(turn, 0)->month;
 
 	for (sh = r->ships; sh; sh = sh->next) {
 		c = get_curse(sh->attribs, C_DISORIENTATION, 0);
@@ -2237,7 +2246,7 @@ regain_orientation(region * r)
 
 		cap = shipowner(r, sh);
 
-		if(r->terrain != T_OCEAN || rand() % 10 >= storms[month(0)]) {
+		if (r->terrain != T_OCEAN || rand() % 10 >= storms[thismonth]) {
 			remove_curse(&sh->attribs, C_DISORIENTATION, 0);
 				ADDMSG(&cap->faction->msgs, msg_message("shipnoconf", "ship", sh));
         continue;

src/common/kernel/reports.h

@@ -37,7 +37,7 @@ extern const char *coasts[];
 /* kann_finden speedups */
 extern boolean kann_finden(struct faction * f1, struct faction * f2);
 extern struct unit * can_find(struct faction *, struct faction *);
-extern int season(int turn);
+
 /* funktionen zum schreiben eines reports */
 extern int read_datenames(const char *filename);
 void sparagraph(struct strlist ** SP, const char *s, int indent, char mark);