Editing ReplaceTextures

{{ACSFunction|description=Replaces all occurrences of a texture with another.
|usage=''void'' '''ReplaceTextures'''(''str'' ''oldTexture'', ''str'' ''newTexture''[, ''int'' ''flags''])
|parameters=
*''oldTexture'': name of texture to replace
*''newTexture'': name of replacement texture
*''flags'': optional sum of flags to filter the replacement (default of 0 is to replace any texture named ''oldTexture''):
:*'''NOT_BOTTOM''' (1): do not replace any side lower texture
:*'''NOT_MIDDLE''' (2): do not replace any side middle (wall or railing) texture
:*'''NOT_TOP''' (4): do not replace any side upper texture
:*'''NOT_FLOOR''' (8): do not replace any sector floor texture
:*'''NOT_CEILING''' (16): do not replace any sector ceiling texture
|notes=This function has a global effect on the map, as it doesn't act just on some tagged sectors.
|id=(ACS internal)}}