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fairland: Fuse sectx[], secty[] into sect[]

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Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2020-08-21 13:42:51 +02:00
parent 4413a8e1b2
commit 9c9e0ff8d5
1 changed files with 26 additions and 24 deletions
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50
src/util/fairland.c
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@ -222,6 +222,10 @@ static const char *outfile = DEFAULT_OUTFILE_NAME;
#define new_x(newx) (((newx) + WORLD_X) % WORLD_X)
#define new_y(newy) (((newy) + WORLD_Y) % WORLD_Y)
struct xy {
coord x, y;
};
/*
* Island sizes
* isecs[i] is the size of the i-th island.
@ -230,6 +234,12 @@ static int *isecs;
static int *capx, *capy; /* location of the nc capitals */
/*
* Island sectors
* The i-th island's j-th sector is at sect[i][j].
*/
struct xy **sect;
/*
* Island at x, y
* own[XYOFFSET(x, y)] is x,y's island number, -1 if water.
@ -286,8 +296,6 @@ static unsigned short *distance;
static int *bfs_queue;
static int bfs_queue_head, bfs_queue_tail;
static int **sectx, **secty; /* the sectors for each continent */
#define NUMTRIES 10 /* keep trying to grow this many times */
static const char *numletter =
@ -591,18 +599,12 @@ allocate_memory(void)
closest = malloc(WORLD_SZ() * sizeof(*closest));
distance = malloc(WORLD_SZ() * sizeof(*distance));
bfs_queue = malloc(WORLD_SZ() * sizeof(*bfs_queue));
sectx = calloc(nc + ni, sizeof(int *));
secty = calloc(nc + ni, sizeof(int *));
isecs = calloc(nc + ni, sizeof(int));
for (i = 0; i < nc; ++i) {
sectx[i] = calloc(sc, sizeof(int));
secty[i] = calloc(sc, sizeof(int));
}
for (i = nc; i < nc + ni; ++i) {
sectx[i] = calloc(is * 2, sizeof(int));
secty[i] = calloc(is * 2, sizeof(int));
}
sect = malloc((nc + ni) * sizeof(*sect));
for (i = 0; i < nc; i++)
sect[i] = malloc(sc * sizeof(**sect));
for (i = nc; i < nc + ni; i++)
sect[i] = malloc(is * 2 * sizeof(**sect));
}
static void
@ -817,7 +819,7 @@ xzone_around_island(int c, int dist)
int i;
for (i = 0; i < isecs[c]; i++)
xzone_around_sector(c, sectx[c][i], secty[c][i], dist);
xzone_around_sector(c, sect[c][i].x, sect[c][i].y, dist);
}
/*
@ -910,8 +912,8 @@ bfs_enqueue_island(int c)
int i;
for (i = 0; i < isecs[c]; i++) {
if (is_coastal(sectx[c][i], secty[c][i]))
bfs_enqueue(c, sectx[c][i], secty[c][i], 0);
if (is_coastal(sect[c][i].x, sect[c][i].y))
bfs_enqueue(c, sect[c][i].x, sect[c][i].y, 0);
}
}
@ -1030,8 +1032,8 @@ add_sector(int c, int x, int y)
assert(own[off] == -1);
xzone_around_sector(c, x, y, c < nc ? di : DISTINCT_ISLANDS ? id : 0);
sectx[c][isecs[c]] = x;
secty[c][isecs[c]] = y;
sect[c][isecs[c]].x = x;
sect[c][isecs[c]].y = y;
isecs[c]++;
own[off] = c;
adj_land_update(x, y);
@ -1068,8 +1070,8 @@ grow_one_sector(int c)
newx = newy = -1;
for (i = 0; i < isecs[c]; i++) {
x = sectx[c][i];
y = secty[c][i];
x = sect[c][i].x;
y = sect[c][i].y;
off = XYOFFSET(x, y);
for (dir = DIR_FIRST; dir <= DIR_LAST; dir++) {
@ -1249,8 +1251,8 @@ grow_islands(void)
if (isecs[c + j] != secs) {
isecs[c + j]--;
assert(isecs[c + j] == secs);
x = sectx[c + j][secs];
y = secty[c + j][secs];
x = sect[c + j][secs].x;
y = sect[c + j][secs].y;
own[XYOFFSET(x, y)] = -1;
adj_land_update(x, y);
}
@ -1343,9 +1345,9 @@ elevate_land(void)
i0 = c < nc ? 2 : 0;
n = isecs[c] - i0;
for (i = 0; i < i0; i++)
elev[XYOFFSET(sectx[c][i], secty[c][i])] = PLATMIN;
elev[XYOFFSET(sect[c][i].x, sect[c][i].y)] = PLATMIN;
for (i = 0; i < n; i++)
off[i] = XYOFFSET(sectx[c][i0 + i], secty[c][i0 + i]);
off[i] = XYOFFSET(sect[c][i0 + i].x, sect[c][i0 + i].y);
qsort(off, n, sizeof(*off), elev_cmp);
delta = (double)(HIGHMIN - LANDMIN - 1) / (n - nm - 1);
elevation = LANDMIN;