137 lines
4.3 KiB
Lua
137 lines
4.3 KiB
Lua
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--
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-- Mapgen
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--
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local S = minetest.get_translator("village")
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local spawn_pos = minetest.setting_get_pos("static_spawnpoint") or {x = 0, y = 0, z = 0}
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local spawn_radius = minetest.settings:get("static_spawn_radius") or 256
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local mapseed = minetest.get_mapgen_setting("seed")
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local bitwise_and = function(x,y)
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local upper = math.floor(math.log(x, 2))
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local sum = 0
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for n=0, upper do
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sum = sum + math.pow(2, n) * (math.floor(x/math.pow(2, n)) % 2) * ( math.floor(y / math.pow(2, n)) % 2)
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end
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return math.floor(sum)
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end
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local shortseed = bitwise_and(mapseed, 0xFFFFFF)
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-- Nodes
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minetest.register_node(
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"village:entity_spawner",
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{
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description = S("Village Entity Spawner"),
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tiles = {
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"village_entity.png", "village_entity.png", "village_entity.png",
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"village_entity.png", "village_entity.png^[transformFX", "village_entity.png^[transformFX"
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},
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is_ground_content = false,
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sunlight_propagates = true,
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paramtype = "light",
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post_effect_color = { a = 0x40, r = 0x8D, g = 0x75, b = 0x97 },
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walkable = false,
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drop = "",
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groups = {dig_immediate = 3, not_in_creative_inventory = 1},
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sounds = default.node_sound_defaults()
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})
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minetest.register_node(
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"village:grassland_village",
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{
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description = S("Village Spawner"),
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tiles = {
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"village_gen.png", "village_gen.png", "village_gen.png",
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"village_gen.png", "village_gen.png^[transformFX", "village_gen.png^[transformFX",
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},
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is_ground_content = false,
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groups = {dig_immediate = 2},
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sounds = default.node_sound_dirt_defaults(),
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drop = "",
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on_construct = function(pos)
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minetest.remove_node(pos)
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local pr = PseudoRandom(shortseed + pos.x + pos.y + pos.z)
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-- Spawn village on placement.
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-- Guarantee that at least the well is placed, to avoid confusion.
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village.spawn_village({x=pos.x,y=pos.y-1,z=pos.z}, pr, true)
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end,
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})
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local function attempt_village_spawn(pos)
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local spos = table.copy(pos)
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spos.y = spos.y + 1
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if minetest.settings:get_bool("mapgen_disable_villages") == true then
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return
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end
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local pr = PseudoRandom(shortseed + spos.x + spos.y + spos.z)
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if ((shortseed + spos.x + spos.y + spos.z) % 30) == 1 then
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local nearest = village.get_nearest_village(spos)
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if nearest.dist > village.min_spawn_dist then
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if vector.distance(spawn_pos, spos) > spawn_radius then
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minetest.log("action", "[village] Spawning a grassland village at " .. "(" .. spos.x
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.. ", " .. spos.y .. ", " .. spos.z .. ")")
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local ok = village.spawn_village({x=spos.x,y=spos.y-1,z=spos.z}, pr)
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if not ok then
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minetest.log("action", "[village] Village spawn failed")
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end
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else
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minetest.log("action", "[village] Cannot spawn village, too near the static spawnpoint")
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end
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else
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minetest.log("action", "[village] Cannot spawn village, too near another village")
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end
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end
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end
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local village_decoration_id
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if not minetest.settings:get_bool("mapgen_disable_villages") then
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-- Dummy decoration to find possible village spawn points
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-- via gennotify.
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minetest.register_decoration(
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{
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name = "village_grassland",
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deco_type = "schematic",
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place_on = "default:dirt_with_grass",
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sidelen = 16,
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fill_ratio = 0.005,
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biomes = {
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"Grassland",
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},
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-- empty schematic
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schematic = {
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size = { x = 1, y = 1, z = 1 },
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data = {
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{ name = "air", prob = 0 },
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},
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},
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y_min = 1,
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y_max = 1000,
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})
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village_decoration_id = minetest.get_decoration_id("village_grassland")
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if village_decoration_id then
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minetest.set_gen_notify({decoration=true}, {village_decoration_id})
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minetest.register_on_generated(function(minp, maxp, blockseed)
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local mgobj = minetest.get_mapgen_object("gennotify")
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local deco = mgobj["decoration#"..village_decoration_id]
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if deco then
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for d=1, #deco do
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attempt_village_spawn(deco[d])
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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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-- Legacy alias
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minetest.register_alias("village:grassland_village_mg", "air")
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