Sets a value by setting and object name using a real
datatype as input
This is just a wrapper so that we can type the object name
and not input the actual pointer.
Allocate: try to allocate a buffer of given number of vertices (each of
given size), with the given type, and using the given texture - return null
if no free chunks available
set sound cone information
cone_inner and cone_outer should be in the range 0.0 - 360.0,
cone_gain (which is the outer cone gain) should range from 0.0 - 1.0