README.md

@@ -70,7 +70,11 @@ an explanation.
 
 ## Installation
 This game requires latest stable [Minetest](http://minetest.net) to run, please install
-it first. Only stable versions of Minetest are officially supported.
+it first. Only latest stable version of Minetest is officially supported.
+There are lots of questions about Ubuntu, which has minetest-5.1.1 still.
+Please, first of all, visit this page, it should fix the problem: https://launchpad.net/~minetestdevs/+archive/ubuntu/stable
+Also, here is endless issue #123: https://git.minetest.land/MineClone5/MineClone5/issues/123 - really less preferable way.
+
 There is no support for running MineClone 5 in development versions of Minetest.
 
 To install MineClone 5 (if you haven't already), move this directory into the

mods/CORE/mcl_mapgen/init.lua

@@ -148,16 +148,48 @@ local chunk_scan_range = {
         [ CS_NODES] = {LAST_BLOCK+1, LAST_BLOCK+1},
 }
 
+local EDGE_MIN = mcl_mapgen.EDGE_MIN
+local EDGE_MAX = mcl_mapgen.EDGE_MAX
 local function is_chunk_finished(minp)
-	local center = vector.add(minp, HALF_CS_NODES)
-	for check_x = center.x - CS_NODES, center.x + CS_NODES, CS_NODES do
-		for check_y = center.y - CS_NODES, center.y + CS_NODES, CS_NODES do
-			for check_z = center.z - CS_NODES, center.z + CS_NODES, CS_NODES do
-				local pos = vector.new(check_x, check_y, check_z)
-				if pos ~= center then
-					minetest_get_voxel_manip():read_from_map(pos, pos)
-					local node = minetest_get_node(pos)
+	local center_x = minp.x + HALF_CS_NODES
+	local center_y = minp.y + HALF_CS_NODES
+	local center_z = minp.z + HALF_CS_NODES
+	local from_x = center_x - CS_NODES
+	local from_y = center_y - CS_NODES
+	local from_z = center_z - CS_NODES
+	local to_x = center_x + CS_NODES
+	local to_y = center_y + CS_NODES
+	local to_z = center_z + CS_NODES
+	if from_x < EDGE_MIN then from_x = center_x end
+	if from_y < EDGE_MIN then from_y = center_y end
+	if from_z < EDGE_MIN then from_z = center_z end
+	if to_x > EDGE_MAX then to_x = center_x end
+	if to_y > EDGE_MAX then to_y = center_y end
+	if to_z > EDGE_MAX then to_z = center_z end
+	for check_x = from_x, to_x, CS_NODES do
+		local are_we_in_central_chunk = check_x == center_x
+		for check_y = from_y, to_y, CS_NODES do
+			are_we_in_central_chunk = are_we_in_central_chunk and (check_y == center_y)
+			for check_z = from_z, to_z, CS_NODES do
+				are_we_in_central_chunk = are_we_in_central_chunk and (check_z == center_z)
+				if not are_we_in_central_chunk then
+					local check_pos = {x = check_x, y = check_y, z = check_z}
+					minetest_get_voxel_manip():read_from_map(check_pos, check_pos)
+					local node = minetest_get_node(check_pos)
 					if node.name == "ignore" then
+			-- return nil, means false, means, there is something to generate still,
+			-- (because one of adjacent chunks is unfinished - "ignore" means that),
+			-- means this chunk will be changed, at least one of its sides or corners
+			-- means it's unsafe to place anything there right now, it might disappar,
+			-- better to wait, see the diagram of conflict/ok areas per a single axis:
+
+		-- conflict|   ok   |conflict|conflict|   ok   |conflict|conflict|   ok   |conflict
+		-- (_________Chunk1_________)|(_________Chunk2_________)|(_________Chunk3_________)
+		-- [Block1]|[MidBlk]|[BlockN]|[Block1]|[MidBlk]|[BlockN]|[Block1]|[MidBlk]|[BlockN]
+		--                   \_____________Chunk2-with-shell____________/
+		-- ...______Chunk1-with-shell________/          \________Chunk3-with-shell______...
+		-- Generation of chunk 1 AFFECTS 2 ^^^          ^^^ Generation of chunk 3 affects 2
+		--                   ^^^^^^^^Chunk 2 gen. affects 1 and 3^^^^^^^^
 						return
 					end
 				end

mods/HELP/doc/doc/init.lua

@@ -611,13 +611,16 @@ do
 		io.close(file)
 		if string then
 			local savetable = minetest.deserialize(string)
-			for name, players_stored_data in pairs(savetable.players_stored_data) do
+			local savetable_players_stored_data = savetable and savetable.players_stored_data
+			if savetable_players_stored_data then
+				for name, players_stored_data in pairs(savetable_players_stored_data) do
 					doc.data.players[name] = {}
 					doc.data.players[name].stored_data = players_stored_data
 				end
 				minetest.log("action", "[doc] doc.mt successfully read.")
 			end
 		end
+	end
 end
 
 function doc.save_to_file()

mods/ITEMS/mcl_copper/functions.lua

@@ -63,38 +63,40 @@ local function add_wear(placer, itemstack)
 end
 
 local function anti_oxidation(itemstack, placer, pointed_thing)
+	local pointed_thing = pointed_thing
 	if pointed_thing.type ~= "node" then return end
 
-	local node = minetest.get_node(pointed_thing.under)
-    local noddef = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
+	local pointed_thing_under = pointed_thing.under
+	local node = minetest.get_node(pointed_thing_under)
+	local node_def = minetest.registered_nodes[node.name]
+	if not node_def then return end
 
-    if not placer:get_player_control().sneak and noddef.on_rightclick then
+	if not placer:get_player_control().sneak and node_def.on_rightclick then
 		return minetest.item_place(itemstack, placer, pointed_thing)
 	end
 
-    if minetest.is_protected(pointed_thing.under, placer:get_player_name()) then
-        minetest.record_protection_violation(pointed_thing.under, placer:get_player_name())
+	local placer_name = placer:get_player_name()
+	if minetest.is_protected(pointed_thing_under, placer_name) then
+		minetest.record_protection_violation(pointed_thing_under, placer_name)
 		return itemstack
 	end
 
-    if noddef._mcl_stripped_variant == nil then
+	if not node_def._mcl_stripped_variant then
 		for _, c in pairs(stairs) do
-			if noddef.name == "mcl_stairs:"..c[1].."_copper_"..c[2].."_cut"..c[3] then
-				minetest.swap_node(pointed_thing.under, {name="mcl_stairs:"..c[1].."_copper_"..c[4], param2=node.param2})
+			if node_def.name == "mcl_stairs:"..c[1].."_copper_"..c[2].."_cut"..c[3] then
+				minetest.swap_node(pointed_thing_under, {name="mcl_stairs:"..c[1].."_copper_"..c[4], param2=node.param2})
 				anti_oxidation_particles(pointed_thing)
 				add_wear(placer, itemstack)
 			end
 		end
-		if noddef._mcl_anti_oxidation_variant ~= nil then
-			minetest.swap_node(pointed_thing.under, {name=noddef._mcl_anti_oxidation_variant, param2=node.param2})
+		if node_def._mcl_anti_oxidation_variant then
+			minetest.swap_node(pointed_thing_under, {name=node_def._mcl_anti_oxidation_variant, param2=node.param2})
 			anti_oxidation_particles(pointed_thing)
 			add_wear(placer, itemstack)
 		end
-	elseif noddef._mcl_stripped_variant ~= nil then
-		minetest.swap_node(pointed_thing.under, {name=noddef._mcl_stripped_variant, param2=node.param2})
+	elseif node_def._mcl_stripped_variant then
+		minetest.swap_node(pointed_thing_under, {name=node_def._mcl_stripped_variant, param2=node.param2})
 		add_wear(placer, itemstack)
-	else
-		return itemstack
 	end
 	return itemstack
 end

mods/ITEMS/mcl_core/functions.lua

@@ -4,6 +4,11 @@
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())
 
+local minetest_get_item_group = minetest.get_item_group
+local minetest_get_node = minetest.get_node
+local math_random = math.random
+local minetest_after = minetest.after
+
 local mg_name = mcl_mapgen.name
 local v6 = mcl_mapgen.v6
 
@@ -148,6 +153,30 @@ function mcl_core.lava_spark_add(pos)
 	luaentity._life_timer = 0.4 + math.random()
 end
 
+if lava_spark_limit > 0 then
+	mcl_core.lava_spark_set_chance()
+
+	minetest.register_abm({
+		label = "Lava produce sparks",
+		nodenames = {"group:lava"},
+		neighbors = {"air"},
+		interval = LAVA_SPARK_ABM_INTERVAL,
+		chance = 18,
+		action = function(pos, node)
+			local above = minetest_get_node({x = pos.x, y = pos.y + 1, z = pos.z})
+			if above.name ~= "air" then return end
+
+			lava_spark_abm_census = lava_spark_abm_census + 1
+
+			if lava_spark_census >= lava_spark_limit then return end
+			if math_random() > lava_spark_chance then return end
+
+			lava_spark_census = lava_spark_census + 1
+			minetest_after(math_random() * LAVA_SPARK_ABM_INTERVAL, lava_spark_add, pos)
+		end
+	})
+end
+
 minetest.register_entity("mcl_core:lava_spark", {
 	physical = true,
 	visual = "sprite",

mods/ITEMS/mcl_shields/init.lua

@@ -14,6 +14,7 @@ mcl_shields = {
 	enchantments = {"mending", "unbreaking"},
 	players = {},
 }
+local players = mcl_shields.players
 
 local interact_priv = minetest.registered_privileges.interact
 interact_priv.give_to_singleplayer = false
@@ -110,7 +111,7 @@ end
 
 function mcl_shields.is_blocking(obj)
 	if not mcl_util or not mcl_util.is_player(obj) then return end
-	local blocking = mcl_shields.players[obj].blocking
+	local blocking = players[obj].blocking
 	if blocking > 0 then
 		local shieldstack = obj:get_wielded_item()
 		if blocking == 1 then
@@ -155,7 +156,7 @@ local function modify_shield(player, vpos, vrot, i)
 	if i == 1 then
 		arm = "Left"
 	end
-	local player_data = mcl_shields.players[player]
+	local player_data = players[player]
 	if not player_data then return end
 	local shields = player_data.shields
 	if not shields then return end
@@ -178,7 +179,10 @@ local function set_shield(player, block, i)
 			modify_shield(player, vector.new(3, -5, 0), vector.new(0, 0, 0), i)
 		end
 	end
-	local shield = mcl_shields.players[player].shields[i]
+	local player_data = players[player]
+	if not player_data then return end
+	local player_shields = player_data.shields
+	local shield = player_shields[i]
 	if not shield then return end
 	local luaentity = shield:get_luaentity()
 	if not luaentity then return end
@@ -219,12 +223,12 @@ end
 local function add_shield_entity(player, i)
 	local shield = minetest.add_entity(player:get_pos(), "mcl_shields:shield_entity")
 	shield:get_luaentity()._shield_number = i
-	mcl_shields.players[player].shields[i] = shield
+	players[player].shields[i] = shield
 	set_shield(player, false, i)
 end
 
 local function remove_shield_entity(player, i)
-	local shields = mcl_shields.players[player].shields
+	local shields = players[player].shields
 	if shields[i] then
 		shields[i]:remove()
 		shields[i] = nil
@@ -232,7 +236,7 @@ local function remove_shield_entity(player, i)
 end
 
 local function handle_blocking(player)
-	local player_shield = mcl_shields.players[player]
+	local player_shield = players[player]
 	local rmb = player:get_player_control().RMB
 	if rmb then
 		local shield_in_offhand = mcl_shields.wielding_shield(player, 1)
@@ -274,7 +278,7 @@ local function handle_blocking(player)
 end
 
 local function update_shield_entity(player, blocking, i)
-	local shield = mcl_shields.players[player].shields[i]
+	local shield = players[player].shields[i]
 	if mcl_shields.wielding_shield(player, i) then
 		if not shield then
 			add_shield_entity(player, i)
@@ -378,7 +382,7 @@ end)
 
 minetest.register_on_leaveplayer(function(player)
 	shield_hud[player] = nil
-	mcl_shields.players[player] = nil
+	players[player] = nil
 end)
 
 minetest.register_craft({
@@ -468,7 +472,7 @@ minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv
 end)
 
 minetest.register_on_joinplayer(function(player)
-	mcl_shields.players[player] = {
+	players[player] = {
 		shields = {},
 		blocking = 0,
 	}

mods/ITEMS/mcl_tridents/init.lua

@@ -62,7 +62,6 @@ local spawn_trident = function(player)
 			durability = durability * (unbreaking + 1)
 		end
 		wielditem:add_wear(65535/durability)
-		minetest.chat_send_all(wielditem:get_wear())
 		obj:set_velocity(vector.multiply(player:get_look_dir(), 20))
 		obj:set_acceleration({x=0, y=-GRAVITY, z=0})
 		obj:set_yaw(yaw)

mods/PLAYER/mcl_anticheat/init.lua

@@ -1,3 +1,6 @@
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+dofile(modpath .. "/ratelimit.lua")
+
 local enable_anticheat = true
 local kick_cheaters = false
 local kick_threshold = 10

mods/PLAYER/mcl_anticheat/ratelimit.lua

@@ -0,0 +1,21 @@
+-- by LoneWolfHT
+-- https://github.com/minetest/minetest/issues/12220#issuecomment-1108789409
+
+local ratelimit = {}
+local after = minetest.after
+local LIMIT = 2
+
+local function remove_entry(ip)
+	ratelimit[ip] = nil
+end
+
+minetest.register_on_mods_loaded(function()
+	table.insert(core.registered_on_prejoinplayers, 1, function(player, ip)
+		if ratelimit[ip] then
+			return "You are joining too fast, please try again"
+		else
+			ratelimit[ip] = true
+			after(LIMIT, remove_entry, ip)
+		end
+	end)
+end)