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<- [[crpl:crplreference| CRPL reference]] <- [[crpl:crplreference#terrain_and_wall_commands|Terrain and Wall Commands]]
=====  GetWall  =====

^Arguments^Result^Notation^
|X, Y|0 to 1 |''x1 y1 -- i1 ''|


=== Description ===
Pushes to the stack the value of the wall at the cell coordinates. 
0 represents no wall and 1 represents a wall of full health. 
Values in between represent varying degrees of health for the wall.
=== Examples ===
This script will check if there is any single wall piece under the CRPL core this script is attached to. If there is, it will trace 1 (TRUE), if not, it will trace 0 (FALSE).
<code>
CurrentX ->x
CurrentY ->y

Self CONST_CELLWIDTH GetUnitAttribute ->cellWidth
Self CONST_CELLHEIGHT GetUnitAttribute ->cellHeight

<-cellWidth 2 div ->cellWidthRadius
<-cellHeight 2 div ->cellHeightRadius

FALSE ->isAnyWallUnderMe

#iterate over all cells occupied by me
<-y <-cellHeightRadius add 1 add <-y <-cellHeightRadius sub do
	<-x <-cellWidthRadius add 1 add <-x <-cellWidthRadius sub do
		I J GetWall ->wall
		<-wall 0 gt if
			TRUE ->isAnyWallUnderMe
		endif
	loop
loop

ShowTraceLog
<-isAnyWallUnderMe Trace
</code>

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