+/*
+ * I/O and support riutines.
+ *
+ * Copyright (c) 1977, 2005 by Will Crowther and Don Woods
+ * Copyright (c) 2017 by Eric S. Raymond
+ * SPDX-License-Identifier: BSD-2-clause
+ */
+
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
if (game.place[object] == CARRIED)
return;
game.place[object] = CARRIED;
- ++game.holdng;
+
+ if (object!= BIRD)
+ ++game.holdng;
}
if (game.atloc[where] == object) {
game.atloc[where] = game.link[object];
game.fixed[object - NOBJECTS] = where;
else {
if (game.place[object] == CARRIED)
- --game.holdng;
+ if (object != BIRD)
+ /* The bird has to be weightless. This ugly hack (and the
+ * corresponding code in the drop function) brought to you
+ * by the fact that when the bird is caged, we need to be able
+ * to either 'take bird' or 'take cage' and have the right thing
+ * happen.
+ */
+ --game.holdng;
game.place[object] = where;
}
if (where == LOC_NOWHERE ||
void set_seed(int32_t seedval)
/* Set the LCG seed */
{
- game.lcg_x = (uint32_t) seedval % LCG_M;
-
+ game.lcg_x = seedval % LCG_M;
+ if (game.lcg_x < 0) {
+ game.lcg_x = LCG_M + game.lcg_x;
+ }
// once seed is set, we need to generate the Z`ZZZ word
for (int i = 0; i < 5; ++i) {
game.zzword[i] = 'A' + randrange(26);