forked from VoxeLibre/VoxeLibre
278 lines
9.8 KiB
Lua
278 lines
9.8 KiB
Lua
local init = os.clock()
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mcl_structures ={}
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mcl_structures.get_struct = function(file)
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local localfile = minetest.get_modpath("mcl_structures").."/build/"..file
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local file, errorload = io.open(localfile, "rb")
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if errorload ~= nil then
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minetest.log("error", '[mcl_structures] Could not open this struct: ' .. localfile)
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return nil
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end
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local allnode = file:read("*a")
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file:close()
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return allnode
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end
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-- World edit function
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mcl_structures.valueversion_WE = function(value)
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if value:find("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)") and not value:find("%{") then --previous list format
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return 3
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elseif value:find("^[^\"']+%{%d+%}") then
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if value:find("%[\"meta\"%]") then --previous meta flat table format
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return 2
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end
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return 1 --original flat table format
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elseif value:find("%{") then --current nested table format
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return 4
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end
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return 0 --unknown format
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end
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mcl_structures.allocate_WE = function(originpos, value)
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local huge = math.huge
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local pos1x, pos1y, pos1z = huge, huge, huge
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local pos2x, pos2y, pos2z = -huge, -huge, -huge
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local originx, originy, originz = originpos.x, originpos.y, originpos.z
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local count = 0
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local version = mcl_structures.valueversion_WE (value)
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if version == 4 then --current nested table format
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--wip: this is a filthy hack that works surprisingly well
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value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1)
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local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end)
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local startpos, startpos1, endpos = 1, 1
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local nodes = {}
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while true do
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startpos, endpos = escaped:find("},%s*{", startpos)
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if not startpos then
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break
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end
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local current = value:sub(startpos1, startpos)
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table.insert(nodes, minetest.deserialize("return " .. current))
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startpos, startpos1 = endpos, endpos
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end
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table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1)))
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--local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT
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count = #nodes
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for index = 1, count do
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local entry = nodes[index]
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local x, y, z = originx + entry.x, originy + entry.y, originz + entry.z
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if x < pos1x then pos1x = x end
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if y < pos1y then pos1y = y end
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if z < pos1z then pos1z = z end
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if x > pos2x then pos2x = x end
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if y > pos2y then pos2y = y end
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if z > pos2z then pos2z = z end
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end
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else
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minetest.log("error", "[mcl_structures] Unsupported WorldEdit file format ("..version..")")
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return
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end
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local pos1 = {x=pos1x, y=pos1y, z=pos1z}
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local pos2 = {x=pos2x, y=pos2y, z=pos2z}
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return pos1, pos2, count
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end
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--[[
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Deserialize WorldEdit string and set the nodes in the world.
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Returns: count, chests
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* count: Number of nodes set
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* chests: Table of chest positions (use these to spawn treasures
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]]
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mcl_structures.deserialise_WE = function(originpos, value)
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--make area stay loaded
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local pos1, pos2 = mcl_structures.allocate_WE(originpos, value)
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local count = 0
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local chests = {} -- Remember positions of all chests
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if not pos1 then
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return count, chests
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end
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local manip = minetest.get_voxel_manip()
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manip:read_from_map(pos1, pos2)
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local originx, originy, originz = originpos.x, originpos.y, originpos.z
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local add_node, get_meta = minetest.add_node, minetest.get_meta
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local version = mcl_structures.valueversion_WE(value)
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if version == 4 then --current nested table format
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--wip: this is a filthy hack that works surprisingly well
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value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1)
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local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end)
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local startpos, startpos1, endpos = 1, 1
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local nodes = {}
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while true do
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startpos, endpos = escaped:find("},%s*{", startpos)
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if not startpos then
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break
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end
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local current = value:sub(startpos1, startpos)
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table.insert(nodes, minetest.deserialize("return " .. current))
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startpos, startpos1 = endpos, endpos
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end
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table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1)))
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--local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT
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--load the nodes and remember chests
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count = #nodes
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for index = 1, count do
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local entry = nodes[index]
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entry.x, entry.y, entry.z = originx + entry.x, originy + entry.y, originz + entry.z
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add_node(entry, entry) --entry acts both as position and as node
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if entry.name == "mcl_chests:chest" then
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table.insert(chests, {x=entry.x, y=entry.y, z=entry.z})
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end
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end
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--load the metadata
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for index = 1, count do
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local entry = nodes[index]
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get_meta(entry):from_table(entry.meta)
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end
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end
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return count, chests
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end
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-- End of world edit deserialise part
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-- The call of Struct
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mcl_structures.call_struct= function(pos, struct_style)
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if struct_style == "village" then
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mcl_structures.geerate_village(pos)
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elseif struct_style == "desert_temple" then
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mcl_structures.generate_desert_temple(pos)
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elseif struct_style == "desert_well" then
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mcl_structures.generate_desert_well(pos)
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elseif struct_style == "igloo" then
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mcl_structures.generate_igloo_top(pos)
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end
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end
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mcl_structures.generate_village = function(pos)
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-- No Generating for the moment only place it :D
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local city = mcl_structures.get_struct("pnj_town_1.we")
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local newpos = {x=pos.x,y=pos.y,z=pos.z}
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if newpos == nil then
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return
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end
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mcl_structures.deserialise_WE(newpos, city )
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end
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mcl_structures.generate_desert_well = function(pos)
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local newpos = {x=pos.x,y=pos.y-2,z=pos.z}
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local path = minetest.get_modpath("mcl_structures").."/build/desert_well.mts"
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minetest.place_schematic(newpos, path, "0", nil, true)
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end
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mcl_structures.generate_igloo_top = function(pos)
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-- FIXME: This spawns bookshelf instead of furnace. Fix this!
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-- Furnace does ot work atm because apparently meta is not set. :-(
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local newpos = {x=pos.x,y=pos.y-1,z=pos.z}
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local path = minetest.get_modpath("mcl_structures").."/build/igloo_top.mts"
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minetest.place_schematic(newpos, path, "random", nil, true)
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end
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mcl_structures.generate_desert_temple = function(pos)
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-- No Generating for the temple ... Why using it ? No Change
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local temple = mcl_structures.get_struct("desert_temple.we")
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local newpos = {x=pos.x,y=pos.y-12,z=pos.z}
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if newpos == nil then
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return
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end
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local count, chests = mcl_structures.deserialise_WE(newpos, temple)
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-- Add desert temple loot into chests
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for c=1, #chests do
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-- FIXME: Use better seeding
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local pr = PseudoRandom(math.random(0, 4294967295))
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local lootitems = mcl_loot.get_multi_loot({
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{
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stacks_min = 2,
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stacks_max = 4,
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items = {
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{ itemstring = "mcl_mobitems:bone", weight = 25, amount_min = 4, amount_max=6 },
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{ itemstring = "mcl_mobitems:rotten_flesh", weight = 25, amount_min = 3, amount_max=7 },
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{ itemstring = "mcl_mobitems:spider_eye", weight = 25, amount_min = 1, amount_max=3 },
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-- TODO: Enchanted Book
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{ itemstring = "mcl_books:book", weight = 20, },
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{ itemstring = "mcl_mobitems:saddle", weight = 20, },
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{ itemstring = "mcl_core:apple_gold", weight = 20, },
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{ itemstring = "mcl_core:gold_ingot", weight = 15, amount_min = 2, amount_max = 7 },
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{ itemstring = "mcl_core:iron_ingot", weight = 15, amount_min = 1, amount_max = 5 },
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{ itemstring = "mcl_core:emerald", weight = 15, amount_min = 1, amount_max = 3 },
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{ itemstring = "", weight = 15, },
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-- TODO: Iron Horse Armor
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{ itemstring = "mcl_core:iron_ingot", weight = 15, },
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-- TODO: Golden Horse Armor
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{ itemstring = "mcl_core:gold_ingot", weight = 10, },
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-- TODO: Diamond Horse Armor
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{ itemstring = "mcl_core:diamond", weight = 5, },
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{ itemstring = "mcl_core:diamond", weight = 5, amount_min = 1, amount_max = 3 },
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-- TODO: Enchanted Golden Apple
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{ itemstring = "mcl_core:apple_gold", weight = 2, },
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}
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},
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{
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stacks_min = 4,
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stacks_max = 4,
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items = {
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{ itemstring = "mcl_mobitems:bone", weight = 10, amount_min = 1, amount_max = 8 },
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{ itemstring = "mcl_mobitems:rotten_flesh", weight = 10, amount_min = 1, amount_max = 8 },
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{ itemstring = "mcl_mobitems:gunpowder", weight = 10, amount_min = 1, amount_max = 8 },
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{ itemstring = "mcl_core:sand", weight = 10, amount_min = 1, amount_max = 8 },
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{ itemstring = "mcl_mobitems:string", weight = 10, amount_min = 1, amount_max = 8 },
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}
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}}, pr)
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local meta = minetest.get_meta(chests[c])
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local inv = meta:get_inventory()
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for i=1, #lootitems do
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inv:add_item("main", lootitems[i])
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end
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end
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end
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-- Debug command
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minetest.register_chatcommand("spawnstruct", {
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params = "desert_temple | desert_well | igloo | village",
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description = "Generate a pre-defined structure near your position.",
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privs = {debug = true},
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func = function(name, param)
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local pos= minetest.get_player_by_name(name):getpos()
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if not pos then
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return
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end
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local errord = false
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if param == "village" then
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mcl_structures.generate_village(pos)
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minetest.chat_send_player(name, "Village created.")
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elseif param == "desert_temple" then
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mcl_structures.generate_desert_temple(pos)
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minetest.chat_send_player(name, "Desert temple created.")
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elseif param == "desert_well" then
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mcl_structures.generate_desert_well(pos)
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minetest.chat_send_player(name, "Desert well created.")
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elseif param == "igloo" then
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mcl_structures.generate_igloo_top(pos)
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minetest.chat_send_player(name, "Igloo created.")
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elseif param == "" then
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minetest.chat_send_player(name, "Error: No structure type given. Please use “/spawnstruct <type>”.")
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errord = true
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else
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minetest.chat_send_player(name, "Error: Unknown structure type. Please use “/spawnstruct <type>”.")
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errord = true
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end
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if errord then
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minetest.chat_send_player(name, "Avaiable types: desert_temple, desert_well, igloo, village")
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end
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end
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})
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local time_to_load= os.clock() - init
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print(string.format("[MOD] "..minetest.get_current_modname().." loaded in %.4f s", time_to_load))
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