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--- crpl:docs:getwall [2013/01/18 01:33] – grauniad
+++ crpl:docs:getwall [2018/05/10 22:18] (current) – removed mistakenly added SetWall example, added a GetWall example Grabz
@@ Line 1: / Line 1: @@
-~~DISCUSSION~~
 <- [[crpl:crplreference| CRPL reference]] <- [[crpl:crplreference#terrain_and_wall_commands|Terrain and Wall Commands]]
 =====  GetWall  =====
@@ Line 12: / Line 11: @@
 Values in between represent varying degrees of health for the wall.
 === Examples ===
-<code>example goes here</code>
+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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