Initial commit

depends.txt

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+default

description.txt

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+Adds a Filling Tool which can fill areas.

init.lua

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+filler = {}
+filler.blacklist = {}
+filler.endless_placeable = {}
+filler.placing_from_top_to_bottom = {}
+filler.blacklist["protector:protect"] = true
+filler.blacklist["protector:protect2"] = true
+--filler.endless_placeable["air"] = true
+--filler.endless_placeable["default:water_source"] = true
+
+filler.placing_from_top_to_bottom["air"] = true
+
+local max_volume = 1000
+local color_pos1 = "#ffbb00"
+local color_pos2 = "#00bbff"
+local speed = 0.1
+local sound_placing_failed = "default_item_smoke" --"default_cool_lava" --"default_tool_breaks"
+local sound_set_pos = "default_place_node_hard"
+local sound_scan_node = "default_dig_metal"
+
+local function make_it_one(n)
+	if n<0 then n=-1 end
+	if n>0 then n=1 end
+	return n
+end
+
+local function get_volume(pos1, pos2)
+	if not pos1 or not pos2 then
+		return 0
+	end
+	local lv = vector.subtract(pos1, pos2)
+	return (math.abs(lv.x)+1) * (math.abs(lv.y)+1) * (math.abs(lv.z)+1)
+end
+
+local function set_pos(itemstack, pos, player)
+	local pos_name = minetest.pos_to_string(pos)
+	local meta = itemstack:get_meta()
+	local turner = meta:get_int("turner")
+	local color = color_pos1
+	if turner == 1 then
+		meta:set_string("pos2", pos_name)
+		color = color_pos2
+		turner = 0
+	else
+		meta:set_string("pos1", pos_name)
+		turner = 1
+	end
+	meta:set_int("turner", turner)
+	local volume = get_volume(minetest.string_to_pos(meta:get_string("pos1")),
+		minetest.string_to_pos(meta:get_string("pos2")))
+	if volume > max_volume then
+		minetest.chat_send_player(player:get_player_name(),
+			"Filling Tool: "..minetest.colorize(color, "Pos")..
+			" set to "..minetest.pos_to_string(pos)..
+			" "..minetest.colorize("#ff0000", volume.." Blocks"))
+	else
+		minetest.chat_send_player(player:get_player_name(),
+			"Filling Tool: "..minetest.colorize(color, "Pos")..
+			" set to "..minetest.pos_to_string(pos)..
+			" "..volume.." Blocks")
+	end
+	minetest.sound_play({name = sound_set_pos}, {pos = pos})
+	local pos_under = table.copy(pos)
+	pos_under.y = pos_under.y - 1
+	if minetest.get_node(pos_under).name ~= "air" then
+		minetest.add_particle({
+			pos = pos,
+			expirationtime = 3,
+			vertical = true,
+			size = 10,
+			texture = "default_mese_post_light_side.png^[multiply:"..color,
+			glow = 5
+		})
+	else
+		minetest.add_particle({
+			pos = pos,
+			expirationtime = 3,
+			size = 5,
+			texture = "default_meselamp.png^[multiply:"..color,
+			glow = 5
+		})
+	end
+	return itemstack
+end
+
+local function get_next_pos(cpos, bpos, epos, dpos)
+	if cpos.x ~= epos.x then
+		cpos.x = cpos.x + dpos.x
+	elseif cpos.z ~= epos.z then
+		cpos.z = cpos.z + dpos.z
+		cpos.x = bpos.x
+	elseif cpos.y ~= epos.y then
+		cpos.y = cpos.y + dpos.y
+		cpos.x = bpos.x
+		cpos.z = bpos.z
+	else
+		return false
+	end
+	return cpos
+end
+
+local function pos_can_place(pos, node_name, player)
+	if not minetest.registered_nodes[minetest.get_node(pos).name].buildable_to then
+		return false
+	elseif minetest.get_item_group(node_name, "attached_node") > 0 and
+			minetest.registered_nodes[minetest.get_node({x = pos.x, y = pos.y-1, z = pos.z}).name].walkable == false then
+		return false
+	end
+	return true
+end
+
+local function fill_area(cpos, bpos, epos, node, player, dpos, inv) --cpos, dpos and inv to improve performance
+	local player_name = player:get_player_name()
+	if player:get_attribute("filler_deactivate") == "true" then
+		minetest.chat_send_player(player_name, "Filling Tool: Deactivated.")
+		player:set_attribute("filler_deactivate", "false")
+		player:set_attribute("filler_activated", "false")
+		return
+	end
+	while not pos_can_place(cpos, node.name) do
+		cpos = get_next_pos(cpos, bpos, epos, dpos)
+		if not cpos then
+			player:set_attribute("filler_activated", "false")
+			return
+		end -- finished
+	end
+	-- check if protected discrete
+	if minetest.is_protected(cpos, player_name) then
+		minetest.chat_send_player(player_name,
+			"Filling Tool:"..minetest.colorize("#ff0000", " Stop! ")..
+			"This area is protected!")
+		minetest.sound_play({name = sound_placing_failed}, {pos = cpos})
+		player:set_attribute("filler_activated", "false")
+		return
+	end
+	if not inv:contains_item("main", node.name) and not filler.endless_placeable[node.name] and
+			not minetest.setting_getbool("creative_mode") then
+		minetest.chat_send_player(player_name,
+			"Filling Tool:"..minetest.colorize("#ff0000", " Stop! ").."You are out of "..
+			'"'..minetest.registered_nodes[node.name].description..'"!')
+		minetest.sound_play({name = sound_placing_failed}, {pos = cpos})
+		player:set_attribute("filler_activated", "false")
+		return
+	end
+	
+	-- place node
+	if not filler.endless_placeable[node.name] and not minetest.setting_getbool("creative_mode") then
+		inv:remove_item("main", node.name)
+	end
+
+	-- works perfect but bad performance
+	minetest.item_place_node(ItemStack(node.name), player, {type="node", under=cpos, above=cpos}, node.param2)
+	
+	-- alternatives
+	--minetest.add_node(cpos, node)
+	--minetest.place_node(cpos, node)
+	local node_sounds = minetest.registered_nodes[node.name].sounds
+	if node_sounds and node_sounds.node_sounds then
+		minetest.sound_play(minetest.registered_nodes[node.name].sounds.place, {pos = cpos})
+	else
+		--minetest.sound_play("", {pos = cpos})
+	end
+	
+	cpos = get_next_pos(cpos, bpos, epos, dpos)
+	if not cpos then
+		player:set_attribute("filler_activated", "false")
+		return
+	end -- finished
+	minetest.after(speed, fill_area, cpos, bpos, epos, node, player, dpos, inv)
+end
+
+minetest.register_tool("filler:filler", {
+	description = "Filling Tool",
+	inventory_image = "filler_filler.png",
+	on_place = function(itemstack, placer, pointed_thing)
+		if not pointed_thing.type == "node" then
+			return itemstack
+		end
+		if placer:get_player_control().sneak == true then
+			local node = minetest.get_node(pointed_thing.under)
+			itemstack:get_meta():set_string("node", minetest.serialize(node))
+			minetest.chat_send_player(placer:get_player_name(),
+				"Filling Tool: Node set to "..
+				'"'..minetest.registered_nodes[node.name].description..'"')
+			minetest.sound_play({name = sound_scan_node}, {pos = pointed_thing.under})
+		else
+			return set_pos(itemstack, pointed_thing.above, placer)
+		end
+		return itemstack
+	end,
+	on_secondary_use = function(itemstack, user)
+		local pos = vector.round(user:get_pos())
+		if user:get_player_control().sneak == true then
+			local node = minetest.get_node(pos)
+			itemstack:get_meta():set_string("node", minetest.serialize(node))
+			minetest.chat_send_player(user:get_player_name(),
+				"Filling Tool: Node set to "..
+				'"'..minetest.registered_nodes[node.name].description..'"')
+			minetest.sound_play({name = sound_scan_node}, {pos = pos})
+		else
+			return set_pos(itemstack, pos, user)
+		end
+		return itemstack
+	end,
+	on_use = function(itemstack, user, pointed_thing)
+		local player_name = user:get_player_name()
+		if user:get_attribute("filler_activated") == "true" then
+			minetest.chat_send_player(player_name, "Filling Tool: The filling tool is currently working."..
+				" (You can hold sneak and left click to deactivate it.)")
+			if user:get_player_control().sneak == true then
+				user:set_attribute("filler_deactivate", "true")
+			end
+			return
+		end
+		local meta = itemstack:get_meta()
+		local pos1 = minetest.string_to_pos(meta:get_string("pos1"))
+		local pos2 = minetest.string_to_pos(meta:get_string("pos2"))
+		local node = minetest.deserialize(meta:get_string("node"))
+		local volume = get_volume(pos1, pos1)
+		if not user then return end
+		local inv = user:get_inventory()
+		if not node then
+			minetest.chat_send_player(player_name, "Filling Tool: Hold sneak and right click to select a node.")
+			return
+		end
+		if not pos1 or not pos2 then
+			minetest.chat_send_player(player_name, "Filling Tool: Right click to set coordinates.")
+			return
+		end
+		if volume > max_volume then
+			minetest.chat_send_player(player_name, "Filling Tool: This area is too big.")
+			return
+		end
+		if filler.blacklist[node.name] == true then
+			minetest.chat_send_player(player_name, 'Filling Tool: "'..
+				minetest.registered_nodes[node.name].description..'"'.." can't be placed with the filling tool.")
+			return
+		end
+		local bpos = table.copy(pos1)
+		local epos = table.copy(pos2)
+		local cdpos = 1
+		if filler.placing_from_top_to_bottom[node.name] == true then
+			cdpos = -1
+			if pos1.y < pos2.y then
+				bpos = table.copy(pos2)
+				epos = table.copy(pos1)
+			end
+		else
+			if pos1.y > pos2.y then
+			bpos = table.copy(pos2)
+			epos = table.copy(pos1)
+		end
+		end
+		local cpos = table.copy(bpos)
+		local dpos = vector.direction(bpos, epos)
+		dpos.x = make_it_one(dpos.x)
+		dpos.y = cdpos
+		dpos.z = make_it_one(dpos.z)
+		user:set_attribute("filler_activated", "true")
+		fill_area(cpos, bpos, epos, node, user, dpos, inv)
+	end,
+})
+
+minetest.register_on_joinplayer(function(player)
+	player:set_attribute("filler_activated", "false")
+end)
+
+
+minetest.register_craft({
+	output = 'filler:filler',
+	recipe = {
+		{'', 'default:mese_post_light', 'default:diamond'},
+		{'', 'default:steel_ingot', 'default:mese_post_light'},
+		{'group:stick', '', ''},
+	}
+})

mod.conf

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+name = filler