native entity_get_vector(iIndex, iKey, Float:vRetVector);
Entry to retrieve from
Array to store vector in
Retrieves a vector type value from an entities entvar struct.
For a list of valid vector type entries, see the EV_VEC_* constants in engine_const.inc
1 if value was sucessfully retrieved, 0 if an invalid entry was specified
If an invalid entity index is provided, an error will be thrown.