#include "version.h"
#include "xy.h"
+/*
+ * Number of retries when growing land fails
+ */
+#define NUMTRIES 10
+
/* do not change these defines */
#define LANDMIN 1 /* plate altitude for normal land */
#define PLATMIN 36 /* plate altitude for plateau */
{ 98, 0 },
{ 127, 0 } };
-static void qprint(const char * const fmt, ...)
- ATTRIBUTE((format (printf, 1, 2)));
-
/*
* Program arguments and options
*/
#define new_x(newx) (((newx) + WORLD_X) % WORLD_X)
#define new_y(newy) (((newy) + WORLD_Y) % WORLD_Y)
+struct xy {
+ coord x, y;
+};
+
+/*
+ * Capital locations
+ * The i-th capital is at cap[i].
+ */
+static struct xy *cap;
+
/*
* Island sizes
* isecs[i] is the size of the i-th island.
*/
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;
-static int **own; /* owner of the sector. -1 means water */
+/*
+ * Island at x, y
+ * own[XYOFFSET(x, y)] is x,y's island number, -1 if water.
+ */
+static short *own;
/*
* Adjacent land sectors
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 =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+static void print_vars(void);
+static void qprint(const char * const fmt, ...)
+ ATTRIBUTE((format (printf, 1, 2)));
static void help(char *);
static void usage(void);
static void parse_args(int argc, char *argv[]);
static void allocate_memory(void);
static void init(void);
static int drift(void);
+static int stable(int);
+static void fl_move(int);
static int grow_continents(void);
+static int grow_islands(void);
static void create_elevations(void);
-static void write_sects(void);
-static void output(void);
-static int write_newcap_script(void);
-static int stable(int);
static void elevate_prep(void);
static void elevate_land(void);
static void elevate_sea(void);
-
-static void print_vars(void);
-static void fl_move(int);
-static int grow_islands(void);
+static void write_sects(void);
+static void output(void);
+static int write_newcap_script(void);
/* Debugging aids: */
void print_own_map(void);
printf("World dimensions: %dx%d\n", WORLD_X, WORLD_Y);
}
+static void
+qprint(const char *const fmt, ...)
+{
+ va_list ap;
+
+ if (!quiet) {
+ va_start(ap, fmt);
+ vfprintf(stdout, fmt, ap);
+ va_end(ap);
+ }
+}
+
static void
help(char *complaint)
{
{
int i;
- capx = calloc(nc, sizeof(int));
- capy = calloc(nc, sizeof(int));
- own = calloc(WORLD_X, sizeof(int *));
+ cap = malloc(nc * sizeof(*cap));
+ own = malloc(WORLD_SZ() * sizeof(*own));
adj_land = malloc(WORLD_SZ() * sizeof(*adj_land));
elev = calloc(WORLD_SZ(), sizeof(*elev));
xzone = malloc(WORLD_SZ() * sizeof(*xzone));
closest = malloc(WORLD_SZ() * sizeof(*closest));
distance = malloc(WORLD_SZ() * sizeof(*distance));
bfs_queue = malloc(WORLD_SZ() * sizeof(*bfs_queue));
- for (i = 0; i < WORLD_X; ++i) {
- own[i] = calloc(WORLD_Y, sizeof(int));
- }
- 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
init(void)
{
- int i, j;
+ int i;
- for (i = 0; i < WORLD_X; ++i) {
- for (j = 0; j < WORLD_Y; ++j) {
- own[i][j] = -1;
- }
- }
+ for (i = 0; i < WORLD_SZ(); i++)
+ own[i] = -1;
memset(adj_land, 0, WORLD_SZ() * sizeof(*adj_land));
}
for (i = 0; i < nc; ++i) {
if (i == j)
continue;
- md = mapdist(capx[i], capy[i], newx, newy);
+ md = mapdist(cap[i].x, cap[i].y, newx, newy);
if (md < d)
d = md;
}
int turns, i;
for (i = 0; i < nc; i++) {
- capy[i] = (2 * i) / WORLD_X;
- capx[i] = (2 * i) % WORLD_X + capy[i] % 2;
- if (capy[i] >= WORLD_Y) {
+ cap[i].y = (2 * i) / WORLD_X;
+ cap[i].x = (2 * i) % WORLD_X + cap[i].y % 2;
+ if (cap[i].y >= WORLD_Y) {
fprintf(stderr,
"%s: world not big enough for all the continents\n",
program_name);
return 0;
for (i = 0; i < nc; ++i) {
- isod = iso(i, capx[i], capy[i]);
+ isod = iso(i, cap[i].x, cap[i].y);
if (isod > d)
d = isod;
}
for (i = 0; i < 6; i++) {
if (dir > DIR_LAST)
dir -= 6;
- newx = new_x(capx[j] + diroff[dir][0]);
- newy = new_y(capy[j] + diroff[dir][1]);
+ newx = new_x(cap[j].x + diroff[dir][0]);
+ newy = new_y(cap[j].y + diroff[dir][1]);
dir++;
- if (iso(j, newx, newy) >= iso(j, capx[j], capy[j])) {
- capx[j] = newx;
- capy[j] = newy;
+ if (iso(j, newx, newy) >= iso(j, cap[j].x, cap[j].y)) {
+ cap[j].x = newx;
+ cap[j].y = newy;
return;
}
}
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);
}
/*
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);
}
}
static int
can_grow_at(int c, int x, int y)
{
- return own[x][y] == -1 && xzone_ok(c, x, y) && is_in_sphere(c, x, y);
+ return own[XYOFFSET(x, y)] == -1 && xzone_ok(c, x, y)
+ && is_in_sphere(c, x, y);
}
static void
adj_land_update(int x, int y)
{
- int is_land = own[x][y] != -1;
+ int is_land = own[XYOFFSET(x, y)] != -1;
int dir, nx, ny, noff;
for (dir = DIR_FIRST; dir <= DIR_LAST; dir++) {
static void
add_sector(int c, int x, int y)
{
- assert(own[x][y] == -1);
+ int off = XYOFFSET(x, 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[x][y] = c;
+ own[off] = c;
adj_land_update(x, y);
}
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++) {
for (c = 0; c < nc; ++c) {
isecs[c] = 0;
- if (!can_grow_at(c, capx[c], capy[c])
- || !can_grow_at(c, new_x(capx[c] + 2), capy[c])) {
+ if (!can_grow_at(c, cap[c].x, cap[c].y)
+ || !can_grow_at(c, new_x(cap[c].x + 2), cap[c].y)) {
done = 0;
continue;
}
- add_sector(c, capx[c], capy[c]);
- add_sector(c, new_x(capx[c] + 2), capy[c]);
+ add_sector(c, cap[c].x, cap[c].y);
+ add_sector(c, new_x(cap[c].x + 2), cap[c].y);
}
if (!done) {
if (isecs[c + j] != secs) {
isecs[c + j]--;
assert(isecs[c + j] == secs);
- x = sectx[c + j][secs];
- y = secty[c + j][secs];
- own[x][y] = -1;
+ x = sect[c + j][secs].x;
+ y = sect[c + j][secs].y;
+ own[XYOFFSET(x, y)] = -1;
adj_land_update(x, y);
}
}
while (n > 0) {
off0 = roll0(WORLD_SZ());
sctoff2xy(&x0, &y0, off0);
- if (own[x0][y0] == -1) {
+ if (own[off0] == -1) {
r = roll(MIN(3, distance[off0]));
sign = -1;
} else {
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;
static void
write_sects(void)
{
- struct sctstr *sct;
- int x, y;
+ struct sctstr *sp;
+ int i;
- for (y = 0; y < WORLD_Y; y++) {
- for (x = y % 2; x < WORLD_X; x += 2) {
- sct = getsectp(x, y);
- sct->sct_elev = elev[sct->sct_uid];
- sct->sct_type = elev_to_sct_type(sct->sct_elev);
- sct->sct_newtype = sct->sct_type;
- sct->sct_dterr = own[sct->sct_x][y] + 1;
- sct->sct_coastal = is_coastal(sct->sct_x, sct->sct_y);
- add_resources(sct);
- }
+ for (i = 0; i < WORLD_SZ(); i++) {
+ sp = getsectid(i);
+ sp->sct_elev = elev[i];
+ sp->sct_type = elev_to_sct_type(sp->sct_elev);
+ sp->sct_newtype = sp->sct_type;
+ sp->sct_dterr = own[i] + 1;
+ sp->sct_coastal = is_coastal(sp->sct_x, sp->sct_y);
+ add_resources(sp);
}
}
for (sx = -WORLD_X / 2 + y % 2; sx < WORLD_X / 2; sx += 2) {
x = XNORM(sx);
off = XYOFFSET(x, y);
- c = own[x][y];
+ c = own[off];
type = elev_to_sct_type(elev[off]);
if (type == SCT_WATER)
printf(". ");
printf("%% ");
else {
assert(0 <= c && c < nc);
- if ((x == capx[c] || x == new_x(capx[c] + 2))
- && y == capy[c])
+ if ((x == cap[c].x || x == new_x(cap[c].x + 2))
+ && y == cap[c].y)
printf("%c ", numletter[c % 62]);
else
printf("# ");
}
/*
- * Print a map to help visualize own[][].
+ * Print a map to help visualize own[].
* This is for debugging.
*/
void
print_own_map(void)
{
- int sx, sy, x, y;
+ int sx, sy, x, y, off;
for (sy = -WORLD_Y / 2; sy < WORLD_Y / 2; sy++) {
y = YNORM(sy);
printf("%4d ", sy);
for (sx = -WORLD_X / 2; sx < WORLD_X / 2; sx++) {
x = XNORM(sx);
+ off = XYOFFSET(x, y);
if ((x + y) & 1)
putchar(' ');
- else if (own[x][y] == -1)
+ else if (own[off] == -1)
putchar('.');
else
- putchar(numletter[own[x][y] % 62]);
+ putchar(numletter[own[off] % 62]);
}
putchar('\n');
}
off = XYOFFSET(x, y);
if ((x + y) & 1)
putchar(' ');
- else if (own[x][y] >= 0)
+ else if (own[off] >= 0)
putchar('-');
else if (xzone[off] >= 0)
putchar(numletter[xzone[off] % 62]);
else {
- assert(own[x][y] == -1);
+ assert(own[off] == -1);
putchar(xzone[off] == -1 ? '.' : '!');
}
}
else if (closest[off] == (natid)-1)
putchar('.');
else if (!distance[off]) {
- assert(closest[off] == own[x][y]);
+ assert(closest[off] == own[off]);
putchar('-');
} else {
putchar(numletter[closest[off] % 62]);
else if (closest[off] == (natid)-1)
putchar('.');
else if (!distance[off]) {
- assert(closest[off] == own[x][y]);
+ assert(closest[off] == own[off]);
putchar('-');
} else {
putchar(numletter[distance[off] % 62]);
for (c = 0; c < nc; ++c) {
fprintf(script, "add %d %d %d p\n", c + 1, c + 1, c + 1);
- fprintf(script, "newcap %d %d,%d\n", c + 1, capx[c], capy[c]);
+ fprintf(script, "newcap %d %d,%d\n", c + 1, cap[c].x, cap[c].y);
}
fprintf(script, "add %d visitor visitor v\n", c + 1);
fclose(script);
return 1;
}
-
-static void
-qprint(const char *const fmt, ...)
-{
- va_list ap;
-
- if (!quiet) {
- va_start(ap, fmt);
- vfprintf(stdout, fmt, ap);
- va_end(ap);
- }
-}
projects / empserver / blobdiff