-/* src/server/map.c */
+/* src/server/map.c
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ */
#include "map.h"
#include <stdint.h> /* uint8_t, int8_t, uint16_t, uint32_t, (U)INT*_(MIN|MAX) */
#include <stdlib.h> /* free() */
-#include <string.h> /* strchr() */
+#include <string.h> /* memset() */
#include "../common/rexit.h" /* exit_err() */
#include "../common/try_malloc.h" /* try_malloc() */
#include "../common/yx_uint8.h" /* yx_uint8 */
}
char * err = "Too much wrapping in mv_yx_in_dir_legal().";
exit_err( INT8_MIN == wrap_west_east || INT8_MIN == wrap_north_south
- || INT8_MAX == wrap_west_east || INT8_MAX == wrap_north_south, err);
- struct yx_uint8 original;
- original.y = yx->y;
- original.x = yx->x;
+ || INT8_MAX == wrap_west_east || INT8_MAX == wrap_north_south,err);
+ struct yx_uint8 original = *yx;
mv_yx_in_dir(dir, yx);
- if (strchr("edc", dir) && yx->x < original.x)
+ if (('e' == dir || 'd' == dir || 'c' == dir) && yx->x < original.x)
{
wrap_west_east++;
}
- else if (strchr("xsw", dir) && yx->x > original.x)
+ else if (('x' == dir || 's' == dir || 'w' == dir) && yx->x > original.x)
{
wrap_west_east--;
}
- if (strchr("we", dir) && yx->y > original.y)
+ if (('w' == dir || 'e' == dir) && yx->y > original.y)
{
wrap_north_south--;
}
- else if (strchr("xc", dir) && yx->y < original.y)
+ else if (('x' == dir || 'c' == dir) && yx->y < original.y)
{
wrap_north_south++;
}
- if ( !((wrap_west_east != 0) + (wrap_north_south != 0))
+ if ( !wrap_west_east && !wrap_north_south
&& yx->x < world.map.length && yx->y < world.map.length)
{
return 1;
}
return 0;
}
+
+
+
+extern void init_empty_map(char ** map)
+{
+ *map = try_malloc(world.map.length * world.map.length, __func__);
+ memset(*map, ' ', world.map.length * world.map.length);
+}