mirror of
https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-12-27 11:47:32 +01:00
282 lines
9.2 KiB
Lua
282 lines
9.2 KiB
Lua
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)
|
|
-- 1 : City , 2 : Temple Sand
|
|
if struct_style == 1 then
|
|
random_struct.generatecity(pos)
|
|
elseif struct_style == 2 then
|
|
random_struct.generate_sand_temple(pos)
|
|
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_sand_temple = 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 = "town | sand_temple",
|
|
description = "Generate a pre-defined structure near your position.",
|
|
privs = {debug = true},
|
|
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 “/spawnstruct <type>”.")
|
|
minetest.chat_send_player(name, "Avaiable types: town, sand_temple")
|
|
end
|
|
if param == "town" then
|
|
random_struct.generatecity(pos)
|
|
minetest.chat_send_player(name, "Town created.")
|
|
end
|
|
if param == "sand_temple" then
|
|
random_struct.generate_sand_temple(pos)
|
|
minetest.chat_send_player(name, "Sand temple 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))
|