Reduced memory usage.

1 files changed, 7 insertions, 10 deletions

diff --git a/dbox.c b/dbox.c
index b47fcf1..53a905c 100644
--- a/dbox.c
+++ b/dbox.c
@@ -106,7 +106,6 @@ typedef struct
 typedef struct cache_t
 {
     const state_t	*state;
-    map_t		*map;
     struct cache_t	*next;
 } cache_t;
 
@@ -486,7 +485,6 @@ static void ClearStates(void)
 	    cache_t *p;
 
 	    p = g_cache[f]->next;
-	    free(g_cache[f]->map);
 	    free(g_cache[f]);
 	    g_cache[f] = p;
 	}
@@ -583,13 +581,11 @@ static void DumpCacheDistribution(void)
 static int AddNewState(const level_t *p_level, const state_t *p_state)
 {
     cache_t *p;
-    map_t *map;
     map_t hash;
 
     hash = p_state->hash % CACHE_SIZE;
 
     p = g_cache[hash];
-    map = CreateMap(p_level, p_state);
 
     while(p)
     {
@@ -598,16 +594,18 @@ static int AddNewState(const level_t *p_level, const state_t *p_state)
 	    int f;
 	    map_t check;
 
-	    check = 0;
+	    check = FALSE;
 
-	    for(f = 0; f < p_level->height; f++)
+	    for(f = 0; f < p_level->no_boxes && !check; f++)
 	    {
-		check |= (map[f] ^ p->map[f]);
+	    	if (!FindPos(p->state->box, p_level->no_boxes, p_state->box[f]))
+		{
+		    check = TRUE;
+		}
 	    }
 
-	    if (check == 0)
+	    if (!check)
 	    {
-		free(map);
 		return FALSE;
 	    }
 	}
@@ -618,7 +616,6 @@ static int AddNewState(const level_t *p_level, const state_t *p_state)
     p = Grab(sizeof *p);
 
     p->state = p_state;
-    p->map = map;
     p->next = g_cache[hash];
     g_cache[hash] = p;