From 564ee259c09ffc925dc654e41f218a9e05bb42b9 Mon Sep 17 00:00:00 2001 From: Wuzzy Date: Wed, 4 Jan 2017 08:08:14 +0100 Subject: [PATCH] Fix possible mapgen crash --- mods/default/mapgen.lua | 3 +- mods/random_struct/init.lua~ | 282 ----------------------------------- 2 files changed, 2 insertions(+), 283 deletions(-) delete mode 100644 mods/random_struct/init.lua~ diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua index 27138dae34..4a383549e4 100644 --- a/mods/default/mapgen.lua +++ b/mods/default/mapgen.lua @@ -366,7 +366,8 @@ minetest.register_on_generated(function(minp, maxp, seed) minetest.env:find_node_near({x=x,y=1,z=z}, 1, "default:water_source") then default.make_reeds({x=x,y=2,z=z}, pr:next(2, 4)) end - if minetest.env:get_node({x=x,y=1,z=z}).name == "default:sand" then + local p = {x=x,y=1,z=z} + if minetest.env:get_node(p).name == "default:sand" then if math.random(0,1000) == 1 then -- 0,12000 random_struct.call_struct(p,2) end diff --git a/mods/random_struct/init.lua~ b/mods/random_struct/init.lua~ deleted file mode 100644 index 89a9353feb..0000000000 --- a/mods/random_struct/init.lua~ +++ /dev/null @@ -1,282 +0,0 @@ -local init = os.clock() -random_struct ={} - -random_struct.get_struct = function(file) - local localfile = minetest.get_modpath("random_struct").."/build/"..file - local file, errorload = io.open(localfile, "rb") - if errorload ~= nil then - minetest.log("action", '[Random_Struct] error: could not open this struct "' .. localfile .. '"') - return nil - end - - local allnode = file:read("*a") - file:close() - - return allnode -end - - --- World edit function - -random_struct.valueversion_WE = function(value) - if value:find("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)") and not value:find("%{") then --previous list format - return 3 - elseif value:find("^[^\"']+%{%d+%}") then - if value:find("%[\"meta\"%]") then --previous meta flat table format - return 2 - end - return 1 --original flat table format - elseif value:find("%{") then --current nested table format - return 4 - end - return 0 --unknown format -end -random_struct.allocate_WE = function(originpos, value) - local huge = math.huge - local pos1x, pos1y, pos1z = huge, huge, huge - local pos2x, pos2y, pos2z = -huge, -huge, -huge - local originx, originy, originz = originpos.x, originpos.y, originpos.z - local count = 0 - local version = random_struct.valueversion_WE (value) - if version == 1 or version == 2 then --flat table format - --obtain the node table - local get_tables = loadstring(value) - if get_tables then --error loading value - return originpos, originpos, count - end - local tables = get_tables() - - --transform the node table into an array of nodes - for i = 1, #tables do - for j, v in pairs(tables[i]) do - if type(v) == "table" then - tables[i][j] = tables[v[1]] - end - end - end - local nodes = tables[1] - - --check the node array - count = #nodes - if version == 1 then --original flat table format - for index = 1, count do - local entry = nodes[index] - local pos = entry[1] - local x, y, z = originx - pos.x, originy - pos.y, originz - pos.z - if x < pos1x then pos1x = x end - if y < pos1y then pos1y = y end - if z < pos1z then pos1z = z end - if x > pos2x then pos2x = x end - if y > pos2y then pos2y = y end - if z > pos2z then pos2z = z end - end - else --previous meta flat table format - for index = 1, count do - local entry = nodes[index] - local x, y, z = originx - entry.x, originy - entry.y, originz - entry.z - if x < pos1x then pos1x = x end - if y < pos1y then pos1y = y end - if z < pos1z then pos1z = z end - if x > pos2x then pos2x = x end - if y > pos2y then pos2y = y end - if z > pos2z then pos2z = z end - end - end - elseif version == 3 then --previous list format - for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries - local x, y, z = originx + tonumber(x), originy + tonumber(y), originz + tonumber(z) - if x < pos1x then pos1x = x end - if y < pos1y then pos1y = y end - if z < pos1z then pos1z = z end - if x > pos2x then pos2x = x end - if y > pos2y then pos2y = y end - if z > pos2z then pos2z = z end - count = count + 1 - end - elseif version == 4 then --current nested table format - --wip: this is a filthy hack that works surprisingly well - value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1) - local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end) - local startpos, startpos1, endpos = 1, 1 - local nodes = {} - while true do - startpos, endpos = escaped:find("},%s*{", startpos) - if not startpos then - break - end - local current = value:sub(startpos1, startpos) - table.insert(nodes, minetest.deserialize("return " .. current)) - startpos, startpos1 = endpos, endpos - end - table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1))) - - --local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT - - count = #nodes - for index = 1, count do - local entry = nodes[index] - local x, y, z = originx + entry.x, originy + entry.y, originz + entry.z - if x < pos1x then pos1x = x end - if y < pos1y then pos1y = y end - if z < pos1z then pos1z = z end - if x > pos2x then pos2x = x end - if y > pos2y then pos2y = y end - if z > pos2z then pos2z = z end - end - end - local pos1 = {x=pos1x, y=pos1y, z=pos1z} - local pos2 = {x=pos2x, y=pos2y, z=pos2z} - return pos1, pos2, count -end -random_struct.deserialise_WE = function(originpos, value) - --make area stay loaded - local pos1, pos2 = random_struct.allocate_WE(originpos, value) - local manip = minetest.get_voxel_manip() - manip:read_from_map(pos1, pos2) - - local originx, originy, originz = originpos.x, originpos.y, originpos.z - local count = 0 - local add_node, get_meta = minetest.add_node, minetest.get_meta - local version = random_struct.valueversion_WE(value) - if version == 1 or version == 2 then --original flat table format - --obtain the node table - local get_tables = loadstring(value) - if not get_tables then --error loading value - return count - end - local tables = get_tables() - - --transform the node table into an array of nodes - for i = 1, #tables do - for j, v in pairs(tables[i]) do - if type(v) == "table" then - tables[i][j] = tables[v[1]] - end - end - end - local nodes = tables[1] - - --load the node array - count = #nodes - if version == 1 then --original flat table format - for index = 1, count do - local entry = nodes[index] - local pos = entry[1] - pos.x, pos.y, pos.z = originx - pos.x, originy - pos.y, originz - pos.z - add_node(pos, entry[2]) - end - else --previous meta flat table format - for index = 1, #nodes do - local entry = nodes[index] - entry.x, entry.y, entry.z = originx + entry.x, originy + entry.y, originz + entry.z - add_node(entry, entry) --entry acts both as position and as node - get_meta(entry):from_table(entry.meta) - end - end - elseif version == 3 then --previous list format - local pos = {x=0, y=0, z=0} - local node = {name="", param1=0, param2=0} - for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries - pos.x, pos.y, pos.z = originx + tonumber(x), originy + tonumber(y), originz + tonumber(z) - node.name, node.param1, node.param2 = name, param1, param2 - add_node(pos, node) - count = count + 1 - end - elseif version == 4 then --current nested table format - --wip: this is a filthy hack that works surprisingly well - value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1) - local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end) - local startpos, startpos1, endpos = 1, 1 - local nodes = {} - while true do - startpos, endpos = escaped:find("},%s*{", startpos) - if not startpos then - break - end - local current = value:sub(startpos1, startpos) - table.insert(nodes, minetest.deserialize("return " .. current)) - startpos, startpos1 = endpos, endpos - end - table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1))) - - --local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT - - --load the nodes - count = #nodes - for index = 1, count do - local entry = nodes[index] - entry.x, entry.y, entry.z = originx + entry.x, originy + entry.y, originz + entry.z - add_node(entry, entry) --entry acts both as position and as node - end - - --load the metadata - for index = 1, count do - local entry = nodes[index] - get_meta(entry):from_table(entry.meta) - end - end - return count -end - --- End of world edit deserialise part - - --- The call of Struct -random_struct.call_struct= function(pos, struct_style) - if math.random(1,2) == 1 then - -- 1 : City , 2 : Temple Sand - if struct_style == 1 then - random_struct.generatecity(pos) - elseif struct_style == 2 then - random_struct.generate_temple_sand(pos) - end - end -end - -random_struct.generatecity = function(pos) - -- No Generating for the moment only place it :D - local city = random_struct.get_struct("pnj_town_1.we") - local newpos = {x=pos.x,y=pos.y,z=pos.z} - if newpos == nil then - return - end - random_struct.deserialise_WE(newpos, city ) -end - -random_struct.generate_temple_sand = function(pos) - -- No Generating for the temple ... Why using it ? No Change - local temple = random_struct.get_struct("desert_temple.we") - local newpos = {x=pos.x,y=pos.y-12,z=pos.z} - if newpos == nil then - return - end - random_struct.deserialise_WE(newpos, temple) -end - - --- Debug command -minetest.register_chatcommand("spawnstruct", { - params = "", - description = "Spawn a Struct.", - func = function(name, param) - local pos= minetest.get_player_by_name(name):getpos() - if not pos then - return - end - if param == "" or param == "help" then - minetest.chat_send_player(name, "Please use instruction /spawnstruct TYPE") - minetest.chat_send_player(name, "TYPE avaiable : town, temple_sand") - end - if param == "town" then - random_struct.generatecity(pos) - minetest.chat_send_player(name, "Town Created") - end - if param == "temple_sand" then - random_struct.generate_temple_sand(pos) - minetest.chat_send_player(name, "Temple Sand Created") - end - end -}) - -local time_to_load= os.clock() - init -print(string.format("[MOD] "..minetest.get_current_modname().." loaded in %.4f s", time_to_load))