====== Scripts > re-calculate texture area ======

^  Description | A script to re-calculate a rectangular area of the texture map.  |
^  Author | [[user>Aaron]] |
^  Created | 2010/05/24 |
^  Requires | L3DT v2.9 beta 2 or later.  |
^  Download | {{:scripts:re-calculate texture area.zs|Re-calculate texture area.zs}} |

===== Script contents =====

<code>
hvar hTX
set hTX <GetMap "TX">
assert hTX "Cannot get texture map!"

assert <map.GetWidth hTX> "Texture map is not initialised!"

// initiailise the settings
int ls.left ls.right ls.top ls.bottom
set ls.left 0
set ls.bottom 0
set ls.top 0
set ls.right 0

// edit settings UI, and exit if cancelled
assert <EditUI &ls "Set texture calculation area"> "Calculation aborted"

// store a backup
L3DTio_Backup.ExtBackupMap "TX" "Re-calculate TX area" 0 "view.ShowMap \"TX\""

// copy settings into a global list
hvar hList
set hList <var.Create varlist "TXarea">
var.CopyValue hList &ls

// run the calculation in a thread
calcman.RunCalcScript "calc.TX.GenMapArea TXarea.left TXarea.bottom TXarea.right TXarea.top\nview.ShowMap \"TX\"\nvar.Delete TXarea"
</code>

===== Comments =====

None.