[ion] Init random seed with time in simulator main

ion/src/simulator/shared/main_sdl.cpp

@@ -5,6 +5,7 @@
 #include "layout.h"
 #endif
 #include "telemetry.h"
+#include "random.h"
 
 #include <assert.h>
 #include <ion.h>
@@ -59,6 +60,8 @@ void init() {
     return;
   }
 
+  Random::init();
+
   sWindow = SDL_CreateWindow(
     "Epsilon",
     SDL_WINDOWPOS_CENTERED,

ion/src/simulator/shared/random.cpp

@@ -1,5 +1,11 @@
-#include <ion.h>
+#include "random.h"
 #include <stdlib.h>
+#include <time.h>
+
+void Ion::Simulator::Random::init() {
+  // Set the seed for random using the current time
+  srand(time(NULL));
+}
 
 uint32_t Ion::random() {
   /* rand() returns a pseudo-random integral number in the range between 0 and

ion/src/simulator/shared/random.h

@@ -0,0 +1,16 @@
+#ifndef ION_SIMULATOR_RANDOM_H
+#define ION_SIMULATOR_RANDOM_H
+
+#include <ion.h>
+
+namespace Ion {
+namespace Simulator {
+namespace Random {
+
+void init();
+
+}
+}
+}
+
+#endif