Add Vector Zero Funcs. & Improve Vector.Inc File

plugins/include/vector.inc

@@ -28,17 +28,17 @@
  * 
  * @param origin1       The first vector
  * @param origin2       The second vector
- * 	
+ * 
  * @return              The distance between two input vectors
  */
 native get_distance(const origin1[3], const origin2[3]);
 
 /**
  * Calculates the distance between two input float vectors.
  * 
- * @param origin1       The first vector
- * @param origin2       The second vector
- * 	
+ * @param Origin1       The first vector
+ * @param Origin2       The second vector
+ * 
  * @return              The distance between two input vectors
  */
 native Float:get_distance_f(const Float:Origin1[3], const Float:Origin2[3]);
@@ -49,7 +49,7 @@ native Float:get_distance_f(const Float:Origin1[3], const Float:Origin2[3]);
  * @param iIndex        Client index
  * @param iVelocity     Multiply vRetValue length by this much
  * @param vRetValue     Store the calculated velocity in this vector.
- * 	
+ * 
  * @noreturn
  * @error               If client is not connected or client index is not
  *                      within the range of 1 to MaxClients.
@@ -61,7 +61,7 @@ native velocity_by_aim(iIndex, iVelocity, Float:vRetValue[3]);
  * 
  * @param fVector       Input vector
  * @param vReturn       Output angle vector
- * 	
+ * 
  * @noreturn
  */
 native vector_to_angle(const Float:fVector[3], Float:vReturn[3]);
@@ -72,7 +72,7 @@ native vector_to_angle(const Float:fVector[3], Float:vReturn[3]);
  * @param vector        Input angle vector
  * @param FRU           One of the ANGLEVECTOR_* constants
  * @param ret           Output vector
- * 	
+ * 
  * @noreturn
  */
 native angle_vector(const Float:vector[3], FRU, Float:ret[3]);
@@ -81,7 +81,7 @@ native angle_vector(const Float:vector[3], FRU, Float:ret[3]);
  * Calculates the length of a vector.
  * 
  * @param vVector       Input vector
- * 	
+ * 
  * @return              Length of the input vector
  */
 native Float:vector_length(const Float:vVector[3]);
@@ -91,7 +91,7 @@ native Float:vector_length(const Float:vVector[3]);
  * 
  * @param vVector       The first vector
  * @param vVector2      The second vector
- * 	
+ * 
  * @return              Distance between two input vectors
  */
 native Float:vector_distance(const Float:vVector[3], const Float:vVector2[3]);
@@ -101,7 +101,7 @@ native Float:vector_distance(const Float:vVector[3], const Float:vVector2[3]);
  * 
  * @param IVec          Input integer vector
  * @param FVec          Output float vector
- * 	
+ * 
  * @noreturn
  */
 stock IVecFVec(const IVec[3], Float:FVec[3])
@@ -118,14 +118,38 @@ stock IVecFVec(const IVec[3], Float:FVec[3])
  * 
  * @param FVec          Input float vector
  * @param IVec          Output integer vector
- * 	
+ * 
  * @noreturn
  */
 stock FVecIVec(const Float:FVec[3], IVec[3])
 {
 	IVec[0] = floatround(FVec[0]);
 	IVec[1] = floatround(FVec[1]);
 	IVec[2] = floatround(FVec[2]);
-	
+
 	return 1;
 }
+
+/**
+ * Checks if a vector is zero.
+ * 
+ * @param Vector        The input vector
+ * 
+ * @return              True if the vector is zero, false otherwise
+ */
+stock bool:IsVectorZero(const {_, Float}:Vector[3])
+{
+	return Vector[0] == 0 && Vector[1] == 0 && Vector[2] == 0;
+}
+
+/**
+ * Sets a vector to zero.
+ * 
+ * @param Vector        Vector
+ * 
+ * @noreturn
+ */
+stock SetVectorZero({_, Float}:Vector[3])
+{
+	Vector[0] = Vector[1] = Vector[2] = 0;
+}