Merge 4b0c0dec63f3f6d151197c708a1da55ff231f500 into 80d136125ef8f17af85d0045800d5e761ace3229

mesecons_random/init.lua

@@ -25,6 +25,82 @@ minetest.register_craft({
 
 -- GHOSTSTONE
 
+local function get_tab(pos, func)
+	local tab = {pos}
+	local tab_avoid = {[pos.x.." "..pos.y.." "..pos.z] = true}
+	local tab_done,num = {pos},2
+	while tab[1] do
+		for n,p in pairs(tab) do
+			for i = -1,1,2 do
+				for _,p2 in pairs({
+					{x=p.x+i, y=p.y, z=p.z},
+					{x=p.x, y=p.y+i, z=p.z},
+					{x=p.x, y=p.y, z=p.z+i},
+				}) do
+					local pstr = p2.x.." "..p2.y.." "..p2.z
+					if not tab_avoid[pstr]
+					and func(p2) then
+						tab_avoid[pstr] = true
+						tab_done[num] = p2
+						num = num+1
+						table.insert(tab, p2)
+					end
+				end
+			end
+			tab[n] = nil
+		end
+	end
+	return tab_done
+end
+
+local function is_ghoststone(pos)
+	return minetest.get_node(pos).name == "mesecons_random:ghoststone"
+end
+
+local function is_ghoststone_active(pos)
+	return minetest.get_node(pos).name == "mesecons_random:ghoststone_active"
+end
+
+local c = {}
+local function update_ghoststones(pos, func, name)
+	func = func or is_ghoststone
+	name = name or "mesecons_random:ghoststone_active"
+	local tab = get_tab(pos, func)
+	if #tab < 50 then
+		for _,p in pairs(tab) do
+			minetest.set_node(p, {name=name})
+		end
+		return
+	end
+
+	local p = tab[1]
+	local min = vector.new(p)
+	local max = vector.new(p)
+	for _,p in pairs(tab) do
+		for _,coord in pairs({"x", "y", "z"}) do
+			min[coord] = math.min(min[coord], p[coord])
+			max[coord] = math.max(max[coord], p[coord])
+		end
+	end
+
+	c[name] = c[name] or minetest.get_content_id(name)
+	local c_name = c[name]
+
+	local manip = minetest.get_voxel_manip()
+	local emerged_pos1, emerged_pos2 = manip:read_from_map(min, max)
+	local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
+	local nodes = manip:get_data()
+
+	for _,p in pairs(tab) do
+		nodes[area:indexp(p)] = c_name
+	end
+
+	manip:set_data(nodes)
+	manip:write_to_map()
+	manip:update_map()
+	--print(string.format("[mesecons] ghostblocks updated after ca. %.2fs", os.clock() - --t1))
+end
+
 minetest.register_node("mesecons_random:ghoststone", {
 	description="ghoststone",
 	tiles = {"jeija_ghoststone.png"},
@@ -32,18 +108,32 @@ minetest.register_node("mesecons_random:ghoststone", {
 	inventory_image = minetest.inventorycube("jeija_ghoststone_inv.png"),
 	groups = {cracky=3},
 	sounds = default.node_sound_stone_defaults(),
-	mesecons = {conductor = {
-		state = mesecon.state.off,
-		rules = { --axes
-			{x = -1, y = 0, z = 0},
-			{x = 1, y = 0, z = 0},
-			{x = 0, y = -1, z = 0},
-			{x = 0, y = 1, z = 0},
-			{x = 0, y = 0, z = -1},
-			{x = 0, y = 0, z = 1},
-		},
-		onstate = "mesecons_random:ghoststone_active"
-	}}
+	mesecons = {--[[conductor = {
+			state = mesecon.state.off,
+			rules = { --axes
+				{x = -1, y = 0, z = 0},
+				{x = 1, y = 0, z = 0},
+				{x = 0, y = -1, z = 0},
+				{x = 0, y = 1, z = 0},
+				{x = 0, y = 0, z = -1},
+				{x = 0, y = 0, z = 1},
+			},
+			onstate = "mesecons_random:ghoststone_active"
+		},]]
+		effector = {
+			rules = {
+				{x = -1, y = 0, z = 0},
+				{x = 1, y = 0, z = 0},
+				{x = 0, y = -1, z = 0},
+				{x = 0, y = 1, z = 0},
+				{x = 0, y = 0, z = -1},
+				{x = 0, y = 0, z = 1},
+			},
+			action_on = function(pos)
+				update_ghoststones(pos)
+			end
+		}
+	}
 })
 
 minetest.register_node("mesecons_random:ghoststone_active", {
@@ -53,23 +143,37 @@ minetest.register_node("mesecons_random:ghoststone_active", {
 	diggable = false,
 	sunlight_propagates = true,
 	paramtype = "light",
-	mesecons = {conductor = {
-		state = mesecon.state.on,
-		rules = {
-			{x = -1, y = 0, z = 0},
-			{x = 1, y = 0, z = 0},
-			{x = 0, y = -1, z = 0},
-			{x = 0, y = 1, z = 0},
-			{x = 0, y = 0, z = -1},
-			{x = 0, y = 0, z = 1},
-		},
-		offstate = "mesecons_random:ghoststone"
-	}},
+	mesecons = {--[[conductor = {
+			state = mesecon.state.on,
+			rules = {
+				{x = -1, y = 0, z = 0},
+				{x = 1, y = 0, z = 0},
+				{x = 0, y = -1, z = 0},
+				{x = 0, y = 1, z = 0},
+				{x = 0, y = 0, z = -1},
+				{x = 0, y = 0, z = 1},
+			},
+			offstate = "mesecons_random:ghoststone"
+		},]]
+		effector = {
+			rules = {
+				{x = -1, y = 0, z = 0},
+				{x = 1, y = 0, z = 0},
+				{x = 0, y = -1, z = 0},
+				{x = 0, y = 1, z = 0},
+				{x = 0, y = 0, z = -1},
+				{x = 0, y = 0, z = 1},
+			},
+			action_off = function(pos)
+				update_ghoststones(pos, is_ghoststone_active, "mesecons_random:ghoststone")
+			end
+		}
+	},
 	on_construct = function(pos)
 		--remove shadow
-		pos2 = {x = pos.x, y = pos.y + 1, z = pos.z}
-		if ( minetest.get_node(pos2).name == "air" ) then
-			minetest.dig_node(pos2)
+		pos.y = pos.y+1
+		if minetest.get_node(pos).name == "air" then
+			minetest.dig_node(pos)
 		end
 	end
 })