Warn about invalid //stretch usageorigin/masterorigin/HEAD

2 files changed, 7 insertions, 4 deletions

diff --git a/ChatCommands.md b/ChatCommands.md
index ea1f955..528f2df 100644
--- a/ChatCommands.md
+++ b/ChatCommands.md
@@ -289,9 +289,9 @@ Stack the current WorldEdit region `<count>` times by offset `<x>`, `<y>`, `<z>`
 

 Scale the current WorldEdit positions and region by a factor of `<stretchx>`, `<stretchy>`, `<stretchz>` along the X, Y, and Z axes, repectively, with position 1 as the origin.

 

-    //scale 2 2 2

-    //scale 1 2 1

-    //scale 10 20 1

+    //stretch 2 2 2

+    //stretch 1 2 1

+    //stretch 10 20 1

 

 ### `//transpose x/y/z/? x/y/z/?`

 

diff --git a/worldedit_commands/init.lua b/worldedit_commands/init.lua
index 131c49b..763e895 100644
--- a/worldedit_commands/init.lua
+++ b/worldedit_commands/init.lua
@@ -905,9 +905,12 @@ minetest.register_chatcommand("/stretch", {
 		stretchx, stretchy, stretchz = tonumber(stretchx), tonumber(stretchy), tonumber(stretchz)

 		if stretchx == 0 or stretchy == 0 or stretchz == 0 then

 			worldedit.player_notify(name, "invalid scaling factors: " .. param)

+			return nil

 		end

 		local count = check_region(name, param)

-		if count then return tonumber(stretchx) * tonumber(stretchy) * tonumber(stretchz) * count end

+		if count then

+			return stretchx * stretchy * stretchz * count

+		end

 		return nil

 	end),

 })