implement multi-point wand

worldeditadditions_core/core/pos.lua

@@ -4,6 +4,9 @@ local positions_count_limit = 999
 local positions = {}
 
 local function ensure_player(player_name)
+	if player_name == nil then
+		minetest.log("error", "[wea core:pos:ensure_player] player_name is nil")
+	end
 	if not positions[player_name] then
 		positions[player_name] = {}
 	end
@@ -26,7 +29,7 @@ local function get_pos_all(player_name)
 end
 local function pos_count(player_name)
 	ensure_player(player_name)
-	return #pos_count[player_name]
+	return #positions[player_name]
 end
 
 local function set_pos(player_name, i, pos)
@@ -44,14 +47,25 @@ local function clear(player_name)
 		positions[player_name] = nil
 	end
 end
+local function pop_pos(player_name)
+	ensure_player(player_name)
+	if #positions[player_name] <= 0 then return nil end
+	return table.remove(positions[player_name])
+end
+local function push_pos(player_name, pos)
+	ensure_player(player_name)
+	table.insert(positions[player_name], pos)
+end
 
 return {
 	get = get_pos,
 	get1 = get_pos1,
 	get2 = get_pos2,
 	get_all = get_pos_all,
+	count = pos_count,
+	clear = clear,
+	pop = pop_pos,
+	push = push_pos,
 	set = set_pos,
 	set_all = set_pos_all,
-	count = pos_count,
-	clear = clear
 }

worldeditadditions_core/init.lua

@@ -28,6 +28,7 @@ wea_c.fetch_command_def = dofile(modpath.."/core/fetch_command_def.lua")
 wea_c.register_alias = dofile(modpath.."/core/register_alias.lua")
 wea_c.pos = dofile(modpath.."/core/pos.lua")
 
+print("WEA_C pos", wea_c.pos.push)
 
 -- Initialise WorldEdit stuff if the WorldEdit mod is not present
 if minetest.global_exists("worldedit") then

worldeditadditions_farwand/init.lua

@@ -7,5 +7,6 @@ local modpath = minetest.get_modpath("worldeditadditions_farwand")
 dofile(modpath.."/lib/do_raycast.lua")
 dofile(modpath.."/lib/farwand.lua")
 dofile(modpath.."/lib/cloudwand.lua")
+dofile(modpath.."/lib/multiwand.lua")
 dofile(modpath.."/lib/chatcommand.lua")
 dofile(modpath.."/lib/settings.lua")

worldeditadditions_farwand/lib/multiwand.lua

@@ -0,0 +1,56 @@
+local wea_c = worldeditadditions_core
+local wea = worldeditadditions
+local Vector3 = wea.Vector3
+
+local function push_pos(player_name, pos)
+	pos = Vector3.clone(pos)
+	if player_name == nil then return end
+	if pos == nil then
+		worldedit.player_notify(player_name, "[multi wand] Error: Too far away (try raising your maxdist with //farwand maxdist <number>)")
+	else
+		wea_c.pos.push(player_name, pos)
+		worldedit.player_notify(player_name, "[multi wand] Added "..pos..". "..wea_c.pos.count(player_name).." points now registered.")
+	end
+end
+local function pop_pos(player_name)
+	if player_name == nil then return end
+	local count_before = wea_c.pos.count(player_name)
+	wea_c.pos.pop(player_name)
+	local count_after = wea_c.pos.count(player_name)
+	if count_before > 0 then
+		worldedit.player_notify(player_name, "[multi wand] "..count_before.." -> "..count_after.." points registered")
+	else
+		worldedit.player_notify(player_name, "[multi wand] No points registered")
+	end
+end
+
+
+minetest.register_tool(":worldeditadditions:multiwand", {
+	description = "WorldEditAdditions multi-point wand",
+	inventory_image = "worldeditadditions_multiwand.png",
+	
+	on_place = function(itemstack, player, pointed_thing)
+		-- Right click when pointing at something
+		-- Pointed thing: https://rubenwardy.com/minetest_modding_book/lua_api.html#pointed_thing
+		-- print("[farwand] on_place", name)
+		local name = player:get_player_name()
+		pop_pos(name)
+	end,
+	
+	on_use = function(itemstack, player, pointed_thing)
+		-- Left click when pointing at something or nothing
+		local name = player:get_player_name()
+		-- print("[farwand] on_use", name)
+		local looking_pos, node_id = wea.farwand.do_raycast(player)
+		push_pos(name, looking_pos)
+	end,
+	
+	on_secondary_use = function(itemstack, player, pointed_thing)
+		-- Right click when pointing at nothing
+		-- print("[farwand] on_secondary_use", name)
+		local name = player:get_player_name()
+		
+		-- local looking_pos, node_id = do_raycast(player)
+		pop_pos(name)
+	end
+})