New (DANGEROUS) Function for Moubootaur Legends runtime: resetrng()

This will select a new seed (between 0 and 4294967295) and replace it.
Using this command should affect EVERYTHING ingame - from scripts to monsters.

3 files changed, 27 insertions, 0 deletions

diff --git a/src/emap/init.c b/src/emap/init.c
index 60658db..7c51918 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -17,6 +17,7 @@
 #include "common/socket.h"
 #include "common/strlib.h"
 #include "common/timer.h"
+#include "common/random.h"
 #include "map/achievement.h"
 #include "map/battle.h"
 #include "map/channel.h"
@@ -235,6 +236,7 @@ HPExport void plugin_init (void)
     addScriptCommand("npcshopattach","s?",npcshopattach);
     addScriptCommand("instanceowner", "i", InstanceOwner);
     addScriptCommand("aggravate", "i", aggravate);
+    addScriptCommand("resetrng", "", resetrng);
 
     // Overrides
     addScriptCommand("debugmes","v*",debugmes);
diff --git a/src/emap/script_buildins.c b/src/emap/script_buildins.c
index 1dce4da..f021658 100644
--- a/src/emap/script_buildins.c
+++ b/src/emap/script_buildins.c
@@ -6,11 +6,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <limits.h>
+#include <time.h>
 
 #include "common/HPMi.h"
 #include "common/memmgr.h"
 #include "common/utils.h"
 #include "common/timer.h"
+#include "common/random.h"
 #include "map/achievement.h"
 #include "map/chat.h"
 #include "map/chrif.h"
@@ -3045,3 +3048,24 @@ BUILDIN(aggravate)
     return true;
 }
 
+
+/*==========================================
+ * Resets RNG seed
+ *------------------------------------------*/
+BUILDIN(resetrng)
+{
+	//rnd->init();
+	unsigned int seed;
+	double tmp;
+	// Reinitialize the random number generator
+	srand(time(NULL));
+
+	// Define a new seed
+	tmp=1.0 * rand() / RAND_MAX; // Ranges from [0;1]
+	seed=tmp * UINT_MAX; // Ranges from 0 to 4294967294 (It'll never be 100%)
+	rnd->seed(seed);
+	printf("\n\nWARNING\n\nRandomness seed updated to %u\n\n", seed);
+	script_pushint(st, 0);
+	return true;
+}
+
diff --git a/src/emap/script_buildins.h b/src/emap/script_buildins.h
index bf437c2..73769b9 100644
--- a/src/emap/script_buildins.h
+++ b/src/emap/script_buildins.h
@@ -120,6 +120,7 @@ BUILDIN(homstatus);
 BUILDIN(readparam2);
 BUILDIN(InstanceOwner);
 BUILDIN(aggravate);
+BUILDIN(resetrng);
 
 // Overrides
 BUILDIN(countitem);