don't hardcode windows value of RAND_MAX and fix namespace issues

code/game/q_shared.h

@@ -972,24 +972,20 @@ inline float Q_crandom( int *seed ) {
 
 //  Returns a float min <= x < max (exclusive; will get max - 0.00001; but never max
 inline float Q_flrand(float min, float max) {
-	return ((rand() * (max - min)) / 32768.0F) + min;
+	return ((rand() * (max - min)) / (float)(RAND_MAX)) + min;
 }
 
 // Returns an integer min <= x <= max (ie inclusive)
 inline int Q_irand(int min, int max) {
 	max++; //so it can round down
-	return ((rand() * (max - min)) >> 15) + min;
+	return ((rand() * (max - min)) / (RAND_MAX)) + min;
 }
 
 //returns a float between 0 and 1.0
-inline float random() {
-	return (rand() / ((float)0x7fff));
-}
+#define random()	((rand () & 0x7fff) / ((float)0x7fff))
 
 //returns a float between -1 and 1.0
-inline float crandom() {
-	return (2.0F * (random() - 0.5F));
-}
+#define crandom()	(2.0F * (random() - 0.5F))
 
 float erandom( float mean );