mirror of
https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-11-05 07:13:51 +01:00
435 lines
16 KiB
Lua
435 lines
16 KiB
Lua
mcl_villages = {}
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local c_dirt_with_grass = minetest.get_content_id("mcl_core:dirt_with_grass")
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local c_dirt_with_snow = minetest.get_content_id("mcl_core:dirt_with_grass_snow")
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--local c_dirt_with_dry_grass = minetest.get_content_id("mcl_core:dirt_with_dry_grass")
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local c_podzol = minetest.get_content_id("mcl_core:podzol")
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local c_sand = minetest.get_content_id("mcl_core:sand")
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local c_desert_sand = minetest.get_content_id("mcl_core:redsand")
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--local c_silver_sand = minetest.get_content_id("mcl_core:silver_sand")
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--
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local c_air = minetest.get_content_id("air")
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local c_snow = minetest.get_content_id("mcl_core:snow")
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local c_fern_1 = minetest.get_content_id("mcl_flowers:fern")
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local c_fern_2 = minetest.get_content_id("mcl_flowers:fern")
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local c_fern_3 = minetest.get_content_id("mcl_flowers:fern")
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local c_rose = minetest.get_content_id("mcl_flowers:poppy")
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local c_viola = minetest.get_content_id("mcl_flowers:blue_orchid")
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local c_geranium = minetest.get_content_id("mcl_flowers:allium")
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local c_tulip = minetest.get_content_id("mcl_flowers:tulip_orange")
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local c_dandelion_y = minetest.get_content_id("mcl_flowers:dandelion")
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local c_dandelion_w = minetest.get_content_id("mcl_flowers:oxeye_daisy")
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local c_bush_leaves = minetest.get_content_id("mcl_core:leaves")
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local c_bush_stem = minetest.get_content_id("mcl_core:tree")
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local c_a_bush_leaves = minetest.get_content_id("mcl_core:acacialeaves")
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local c_a_bush_stem = minetest.get_content_id("mcl_core:acaciatree")
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local c_water_source = minetest.get_content_id("mcl_core:water_source")
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local c_water_flowing = minetest.get_content_id("mcl_core:water_flowing")
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-------------------------------------------------------------------------------
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-- function to copy tables
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-------------------------------------------------------------------------------
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function settlements.shallowCopy(original)
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local copy = {}
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for key, value in pairs(original) do
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copy[key] = value
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end
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return copy
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end
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--
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--
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--
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function settlements.round(num, numDecimalPlaces)
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local mult = 10^(numDecimalPlaces or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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-------------------------------------------------------------------------------
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-- function to find surface block y coordinate
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-------------------------------------------------------------------------------
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function settlements.find_surface_lvm(pos, minp)
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--ab hier altes verfahren
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local p6 = vector.new(pos)
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local surface_mat = {
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c_dirt_with_grass,
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c_dirt_with_snow,
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--c_dirt_with_dry_grass,
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c_podzol,
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c_sand,
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c_desert_sand,
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c_snow
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}
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local cnt = 0
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local itter -- count up or down
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local cnt_max = 200
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-- starting point for looking for surface
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local vi = va:index(p6.x, p6.y, p6.z)
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if data[vi] == nil then return nil end
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local tmp = minetest.get_name_from_content_id(data[vi])
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if data[vi] == c_air then
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itter = -1
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else
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itter = 1
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end
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while cnt < cnt_max do
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cnt = cnt+1
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local vi = va:index(p6.x, p6.y, p6.z)
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-- local tmp = minetest.get_name_from_content_id(data[vi])
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-- if vi == nil
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-- then
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-- return nil
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-- end
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for i, mats in ipairs(surface_mat) do
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local node_check = va:index(p6.x, p6.y+1, p6.z)
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if node_check and vi and data[vi] == mats and
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(data[node_check] ~= c_water_source and
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data[node_check] ~= c_water_flowing
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)
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then
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local tmp = minetest.get_name_from_content_id(data[node_check])
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return p6, mats
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end
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end
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p6.y = p6.y + itter
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if p6.y < 0 then return nil end
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end
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return nil --]]
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end
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-------------------------------------------------------------------------------
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-- function to find surface block y coordinate
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-- returns surface postion
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-------------------------------------------------------------------------------
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function settlements.find_surface(pos)
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local p6 = vector.new(pos)
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local cnt = 0
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local itter -- count up or down
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local cnt_max = 200
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-- check, in which direction to look for surface
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local surface_node = minetest.get_node_or_nil(p6)
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if surface_node and string.find(surface_node.name,"air") then
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itter = -1
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else
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itter = 1
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end
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-- go through nodes an find surface
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while cnt < cnt_max do
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cnt = cnt+1
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minetest.forceload_block(p6)
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surface_node = minetest.get_node_or_nil(p6)
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if not surface_node then
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-- Load the map at pos and try again
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minetest.get_voxel_manip():read_from_map(p6, p6)
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surface_node = minetest.get_node(p6)
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if surface_node.name == "ignore" then
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settlements.debug("find_surface1: nil or ignore")
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return nil
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end
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end
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-- if surface_node == nil or surface_node.name == "ignore" then
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-- --return nil
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-- local fl = minetest.forceload_block(p6)
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-- if not fl then
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--
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-- return nil
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-- end
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-- end
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--
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-- Check Surface_node and Node above
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--
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if settlements.surface_mat[surface_node.name] then
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local surface_node_plus_1 = minetest.get_node_or_nil({ x=p6.x, y=p6.y+1, z=p6.z})
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if surface_node_plus_1 and surface_node and
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(string.find(surface_node_plus_1.name,"air") or
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string.find(surface_node_plus_1.name,"snow") or
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string.find(surface_node_plus_1.name,"fern") or
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string.find(surface_node_plus_1.name,"flower") or
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string.find(surface_node_plus_1.name,"bush") or
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string.find(surface_node_plus_1.name,"tree") or
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string.find(surface_node_plus_1.name,"grass"))
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then
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settlements.debug("find_surface7: " ..surface_node.name.. " " .. surface_node_plus_1.name)
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return p6, surface_node.name
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else
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settlements.debug("find_surface2: wrong surface+1")
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end
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else
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settlements.debug("find_surface3: wrong surface "..surface_node.name.." at pos "..minetest.pos_to_string(p6))
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end
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p6.y = p6.y + itter
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if p6.y < 0 then
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settlements.debug("find_surface4: y<0")
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return nil
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end
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end
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settlements.debug("find_surface5: cnt_max overflow")
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return nil
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end
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-------------------------------------------------------------------------------
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-- check distance for new building
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-------------------------------------------------------------------------------
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function settlements.check_distance(settlement_info, building_pos, building_size)
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local distance
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for i, built_house in ipairs(settlement_info) do
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distance = math.sqrt(
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((building_pos.x - built_house["pos"].x)*(building_pos.x - built_house["pos"].x))+
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((building_pos.z - built_house["pos"].z)*(building_pos.z - built_house["pos"].z)))
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if distance < building_size or
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distance < built_house["hsize"]
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then
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return false
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end
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end
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return true
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end
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-------------------------------------------------------------------------------
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-- save list of generated settlements
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-------------------------------------------------------------------------------
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function settlements.save()
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local file = io.open(minetest.get_worldpath().."/settlements.txt", "w")
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if file then
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file:write(minetest.serialize(settlements_in_world))
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file:close()
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end
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end
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-------------------------------------------------------------------------------
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-- load list of generated settlements
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-------------------------------------------------------------------------------
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function settlements.load()
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local file = io.open(minetest.get_worldpath().."/settlements.txt", "r")
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if file then
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local table = minetest.deserialize(file:read("*all"))
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if type(table) == "table" then
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return table
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end
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end
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return {}
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end
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-------------------------------------------------------------------------------
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-- check distance to other settlements
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-------------------------------------------------------------------------------
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--[[
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function settlements.check_distance_other_settlements(center_new_chunk)
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-- local min_dist_settlements = 300
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for i, pos in ipairs(settlements_in_world) do
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local distance = vector.distance(center_new_chunk, pos)
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-- minetest.chat_send_all("dist ".. distance)
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if distance < settlements.min_dist_settlements then
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return false
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end
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end
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return true
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end
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]]
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-------------------------------------------------------------------------------
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-- fill chests
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-------------------------------------------------------------------------------
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function settlements.fill_chest(pos, pr)
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-- find chests within radius
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--local chestpos = minetest.find_node_near(pos, 6, {"mcl_core:chest"})
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local chestpos = pos
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-- initialize chest (mts chests don't have meta)
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local meta = minetest.get_meta(chestpos)
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if meta:get_string("infotext") ~= "Chest" then
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-- For MineClone2 0.70 or before
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-- minetest.registered_nodes["mcl_chests:chest"].on_construct(chestpos)
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--
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-- For MineClone2 after commit 09ab1482b5 (the new entity chests)
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minetest.registered_nodes["mcl_chests:chest_small"].on_construct(chestpos)
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end
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-- fill chest
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local inv = minetest.get_inventory( {type="node", pos=chestpos} )
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function mcl_villages.get_treasures(pr)
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local loottable = {
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{
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stacks_min = 3,
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stacks_max = 8,
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items = {
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{ itemstring = "mcl_core:diamond", weight = 3, amount_min = 1, amount_max = 3 },
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{ itemstring = "mcl_core:iron_ingot", weight = 10, amount_min = 1, amount_max = 5 },
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{ itemstring = "mcl_core:gold_ingot", weight = 5, amount_min = 1, amount_max = 3 },
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{ itemstring = "mcl_farming:bread", weight = 15, amount_min = 1, amount_max = 3 },
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{ itemstring = "mcl_core:apple", weight = 15, amount_min = 1, amount_max = 3 },
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{ itemstring = "mcl_tools:pick_iron", weight = 5 },
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{ itemstring = "mcl_tools:sword_iron", weight = 5 },
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{ itemstring = "mcl_armor:chestplate_iron", weight = 5 },
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{ itemstring = "mcl_armor:helmet_iron", weight = 5 },
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{ itemstring = "mcl_armor:leggings_iron", weight = 5 },
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{ itemstring = "mcl_armor:boots_iron", weight = 5 },
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{ itemstring = "mcl_core:obsidian", weight = 5, amount_min = 3, amount_max = 7 },
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{ itemstring = "mcl_core:sapling", weight = 5, amount_min = 3, amount_max = 7 },
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{ itemstring = "mcl_mobitems:saddle", weight = 3 },
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{ itemstring = "mobs_mc:iron_horse_armor", weight = 1 },
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{ itemstring = "mobs_mc:gold_horse_armor", weight = 1 },
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{ itemstring = "mobs_mc:diamond_horse_armor", weight = 1 },
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}
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},
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}
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local items = mcl_loot.get_multi_loot(loottable, pr)
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return items
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end
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local items = mcl_villages.get_treasures(pr)
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mcl_loot.fill_inventory(inv, "main", items)
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end
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-------------------------------------------------------------------------------
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-- initialize furnace
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-------------------------------------------------------------------------------
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function settlements.initialize_furnace(pos)
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-- find chests within radius
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local furnacepos = minetest.find_node_near(pos,
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7, --radius
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{"mcl_furnaces:furnace"})
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-- initialize furnacepos (mts furnacepos don't have meta)
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if furnacepos
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then
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local meta = minetest.get_meta(furnacepos)
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if meta:get_string("infotext") ~= "furnace"
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then
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minetest.registered_nodes["mcl_furnaces:furnace"].on_construct(furnacepos)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- initialize anvil
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-------------------------------------------------------------------------------
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function settlements.initialize_anvil(pos)
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-- find chests within radius
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local anvilpos = minetest.find_node_near(pos,
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7, --radius
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{"mcl_anvils:anvil"})
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-- initialize anvilpos (mts anvilpos don't have meta)
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if anvilpos
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then
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local meta = minetest.get_meta(anvilpos)
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if meta:get_string("infotext") ~= "anvil"
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then
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minetest.registered_nodes["mcl_anvils:anvil"].on_construct(anvilpos)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- initialize furnace, chests, anvil
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-------------------------------------------------------------------------------
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local building_all_info
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function settlements.initialize_nodes(settlement_info, pr)
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for i, built_house in ipairs(settlement_info) do
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for j, schem in ipairs(schematic_table) do
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if settlement_info[i]["name"] == schem["name"] then
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building_all_info = schem
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break
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end
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end
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local width = building_all_info["hwidth"]
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local depth = building_all_info["hdepth"]
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local height = building_all_info["hheight"]
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local p = settlement_info[i]["pos"]
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for yi = 1,height do
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for xi = 0,width do
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for zi = 0,depth do
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local ptemp = {x=p.x+xi, y=p.y+yi, z=p.z+zi}
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local node = minetest.get_node(ptemp)
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if node.name == "mcl_furnaces:furnace" or
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node.name == "mcl_chests:chest" or
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node.name == "mcl_anvils:anvil" then
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minetest.registered_nodes[node.name].on_construct(ptemp)
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end
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-- when chest is found -> fill with stuff
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if node.name == "mcl_chests:chest" then
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minetest.after(3, settlements.fill_chest, ptemp, pr)
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end
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end
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end
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end
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end
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end
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-------------------------------------------------------------------------------
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-- randomize table
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-------------------------------------------------------------------------------
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function shuffle(tbl, pr)
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local table = settlements.shallowCopy(tbl)
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local size = #table
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for i = size, 1, -1 do
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local rand = pr:next(1, size)
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table[i], table[rand] = table[rand], table[i]
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end
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return table
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end
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-------------------------------------------------------------------------------
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-- evaluate heightmap
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-------------------------------------------------------------------------------
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function settlements.evaluate_heightmap()
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local heightmap = minetest.get_mapgen_object("heightmap")
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-- max height and min height, initialize with impossible values for easier first time setting
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local max_y = -50000
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local min_y = 50000
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-- only evaluate the center square of heightmap 40 x 40
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local square_start = 1621
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local square_end = 1661
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for j = 1 , 40, 1 do
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for i = square_start, square_end, 1 do
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-- skip buggy heightmaps, return high value
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if heightmap[i] == -31000 or
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heightmap[i] == 31000
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then
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return max_height_difference + 1
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end
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if heightmap[i] < min_y
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then
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min_y = heightmap[i]
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end
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if heightmap[i] > max_y
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then
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max_y = heightmap[i]
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end
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end
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-- set next line
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square_start = square_start + 80
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square_end = square_end + 80
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end
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-- return the difference between highest and lowest pos in chunk
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local height_diff = max_y - min_y
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-- filter buggy heightmaps
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if height_diff <= 1
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then
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return max_height_difference + 1
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end
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-- debug info
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settlements.debug("heightdiff ".. height_diff)
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return height_diff
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end
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-------------------------------------------------------------------------------
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-- get LVM of current chunk
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-------------------------------------------------------------------------------
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function settlements.getlvm(minp, maxp)
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local vm = minetest.get_voxel_manip()
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local emin, emax = vm:read_from_map(minp, maxp)
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local va = VoxelArea:new{
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MinEdge = emin,
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MaxEdge = emax
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}
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local data = vm:get_data()
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return vm, data, va, emin, emax
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end
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-------------------------------------------------------------------------------
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-- get LVM of current chunk
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-------------------------------------------------------------------------------
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function settlements.setlvm(vm, data)
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-- Write data
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vm:set_data(data)
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vm:write_to_map(true)
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end
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-------------------------------------------------------------------------------
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-- Set array to list
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-- https://stackoverflow.com/questions/656199/search-for-an-item-in-a-lua-list
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-------------------------------------------------------------------------------
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function settlements.Set (list)
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local set = {}
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for _, l in ipairs(list) do set[l] = true end
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return set
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end
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