WIP: port alien swarm and extend engine for asw

vscript/languages/gm/src/binds/gmHelpers.cpp

@@ -0,0 +1,64 @@
+/*
+    _____               __  ___          __            ____        _      __
+   / ___/__ ___ _  ___ /  |/  /__  ___  / /_____ __ __/ __/_______(_)__  / /_
+  / (_ / _ `/  ' \/ -_) /|_/ / _ \/ _ \/  '_/ -_) // /\ \/ __/ __/ / _ \/ __/
+  \___/\_,_/_/_/_/\__/_/  /_/\___/_//_/_/\_\\__/\_, /___/\__/_/ /_/ .__/\__/
+                                               /___/             /_/
+                                             
+  See Copyright Notice in gmMachine.h
+
+*/
+
+#include "gmConfig.h"
+#include "gmHelpers.h"
+
+
+// Must be last header
+#include "memdbgon.h"
+
+
+/*!
+  \brief gmRandomInt() returns a random int b/n two values
+  \return number is >= min and < max (exclusive of max)
+*/
+int gmRandomInt(int a_min, int a_max)
+{
+  if(a_min > a_max)
+  {
+    int temp = a_max;
+    a_max = a_min;
+    a_min = temp;
+  }
+  else if(a_min == a_max)
+  {
+    return a_min; // hmmm, not good.
+  }
+ 
+  int randVal = rand();
+  int val = (randVal % (a_max - a_min)) + a_min;
+ 
+  return val;
+}
+ 
+
+/*!
+  \brief gmRandomInt() returns a random int b/n two values
+  \return number is >= min and < max (exclusive of max)
+*/
+float gmRandomFloat(float a_min, float a_max)
+{
+  if(a_min > a_max)
+  {
+    float temp = a_max;
+    a_max = a_min;
+    a_min = temp;
+  }
+  else if(a_min == a_max)
+  {
+    return a_min; // hmmm, not good.
+  }
+  
+  int randVal = rand() % RAND_MAX;
+  float frandVal = (float)randVal / (float)RAND_MAX;
+  return a_min + (frandVal * (a_max - a_min));
+}