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FASTCOUNT macro to speed up count_enemies()

This commit is contained in:
Enno Rehling 2007-02-24 11:08:07 +00:00
parent dc8dda6430
commit 4c58270bb9
2 changed files with 32 additions and 0 deletions
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22
src/common/kernel/battle.c
View File

@ -1248,6 +1248,25 @@ count_enemies(battle * b, const fighter * af, int minrow, int maxrow, int select
int i = 0;
side *es, *as = af->side;
#ifdef FASTCOUNT
int sr = statusrow(af->status);
if (select!=SELECT_FIND) {
if (b->alive==b->fast.alive && as==b->fast.side && sr==b->fast.status && minrow==b->fast.minrow && maxrow==b->fast.maxrow) {
if (b->fast.enemies[select]>=0) {
return b->fast.enemies[select];
}
} else {
b->fast.side = as;
b->fast.status = sr;
b->fast.minrow = minrow;
b->fast.alive=b->alive;
b->fast.maxrow = maxrow;
memset(b->fast.enemies, -1, sizeof(b->fast.enemies));
}
}
#endif
if (maxrow<FIRST_ROW) return 0;
for (es = b->sides; es; es = es->next) {
if (as==NULL || enemy(es, as)) {
@ -1259,6 +1278,9 @@ count_enemies(battle * b, const fighter * af, int minrow, int maxrow, int select
if (i>0 && (select&SELECT_FIND)) break;
}
}
#ifdef FASTCOUNT
b->fast.enemies[select] = i;
#endif
return i;
}

10
src/common/kernel/battle.h
View File

@ -69,6 +69,16 @@ extern "C" {
int alive;
#ifdef SMALL_BATTLE_MESSAGES
boolean small;
#endif
#define FASTCOUNT
#ifdef FASTCOUNT
struct {
struct side * side;
int status;
int alive;
int minrow, maxrow;
int enemies[8];
} fast;
#endif
} battle;