update cloud wand to use new wea_c.pos interface

worldeditadditions/lib/selection/selection.lua

@@ -9,28 +9,39 @@ local Vector3 = wea_c.Vector3
 ---Selection helpers and modifiers
 local selection = {}
 
---- Additively adds a point to the current selection or
+--- Additively adds a point to the current selection defined by pos1..pos2 or
 -- makes a selection from the provided point.
 -- @param	name	string	Player name.
 -- @param	pos	vector	The position to include.
-function selection.add_point(name, pos)
-	if pos ~= nil then
-		local created_new = not worldedit.pos1[name] or not worldedit.pos2[name]
-		-- print("[set_pos1]", name, "("..pos.x..", "..pos.y..", "..pos.z..")")
-		if not worldedit.pos1[name] then worldedit.pos1[name] = Vector3.clone(pos) end
-		if not worldedit.pos2[name] then worldedit.pos2[name] = Vector3.clone(pos) end
+function selection.add_point(name, newpos)
+	if newpos ~= nil then
+		print("DEBUG:selection.add_point newpos", newpos)
+		local has_pos1 = not not wea_c.pos.get1(name)
+		local has_pos2 = not not wea_c.pos.get2(name)
+		local created_new = not has_pos1 or not has_pos2
+		if not has_pos1 then wea_c.pos.set1(name, Vector3.clone(newpos)) end
+		if not has_pos2 then wea_c.pos.set2(name, Vector3.clone(newpos)) end
 
-		worldedit.marker_update(name)
 		
-		local volume_before = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
+		-- Now no longer needed, given that the new sysstem uses an event listener to push updates to the selected region automatically
+		-- worldedit.marker_update(name)
 		
-		worldedit.pos1[name], worldedit.pos2[name] = Vector3.expand_region(
-			Vector3.clone(worldedit.pos1[name]),
-			Vector3.clone(worldedit.pos2[name]),
-			pos
+		local pos1, pos2 = wea_c.pos.get1(name), wea_c.pos.get2(name)
+		
+		local volume_before = worldedit.volume(pos1, pos2)
+		
+		
+		local new_pos1, new_pos2 = Vector3.expand_region(
+			Vector3.clone(pos1),
+			Vector3.clone(pos2),
+			newpos
 		)
 		
-		local volume_after = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
+		wea_c.pos.set1(name, new_pos1)
+		wea_c.pos.set2(name, new_pos2)
+		
+		
+		local volume_after = worldedit.volume(new_pos1, new_pos2)
 		
 		local volume_difference = volume_after - volume_before
 		if volume_difference == 0 and created_new then
@@ -42,21 +53,20 @@ function selection.add_point(name, pos)
 		msg = msg..volume_difference.." node"
 		if volume_difference ~= 1 then msg = msg.."s" end
 		
-		worldedit.marker_update(name)
+		-- Done automatically
+		-- worldedit.marker_update(name)
 		worldedit.player_notify(name, msg)
 	else
-		worldedit.player_notify(name, "Error: Too far away (try raising your maxdist with //farwand maxdist <number>)")
+		worldedit.player_notify(name, "Error. Too far away (try raising your maxdist with //farwand maxdist <number>)")
 		-- print("[set_pos1]", name, "nil")
 	end
 end
 
---- Clears current selection.
+--- Clears current selection, *but only pos1 and pos2!
 -- @param	name	string	Player name.
 function selection.clear_points(name)
-	worldedit.pos1[name] = nil
-	worldedit.pos2[name] = nil
-	worldedit.marker_update(name)
-	worldedit.set_pos[name] = nil
+	wea_c.pos.clear(name)
+	-- worldedit.marker_update(name)
 	
 	worldedit.player_notify(name, "Region cleared")
 end

worldeditadditions_core/core/pos.lua

@@ -146,6 +146,7 @@ end
 -- @param	pos				Vector3	The position to set.
 -- @returns	bool			Whether the operation was successful or not (players aren't allowed more than positions_count_limit number of positions at a time).
 local function set(player_name, i, pos)
+	-- It's a shame that Lua doesn't have a throw/raise, 'cause we could sure use it here
 	if i > positions_count_limit then return false end
 	ensure_player(player_name)
 		
@@ -196,6 +197,7 @@ local function clear(player_name)
 	if worldedit then
 		if worldedit.pos1 then worldedit.pos1[player_name] = nil end
 		if worldedit.pos2 then worldedit.pos2[player_name] = nil end
+		if worldedit.set_pos then worldedit.set_pos[player_name] = nil end
 	end
 	anchor:emit("clear", { player_name = player_name })
 end