Add seedable PRNG using an adaptation the original LCG algorithm.

[open-adventure.git] / main.h

diff --git a/main.h b/main.h
index fa87d627ec8847e720f844ca471bcd41cea47872..a71b9e3ff113bce06f1915f1d36daf7e4a5acec3 100644 (file)
--- a/main.h
+++ b/main.h
@@ -2,9 +2,15 @@
 
 #define LINESIZE       100
 
+typedef struct lcg_state
+{
+  unsigned long a, c, m, x;
+} lcg_state;
+
 extern long ABB[], ATAB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
                KTAB[], *LINES, LINK[], LNLENG, LNPOSN,
                PARMS[], PLACE[], PTEXT[], RTEXT[], TABSIZ;
 extern signed char INLINE[LINESIZE+1], MAP1[], MAP2[];
 extern FILE *logfp;
 extern bool oldstyle;
+extern lcg_state lcgstate;