Add decoration engine
This commit still has an unexplained bug where it fails to place schematics underground, and this is to be investigated.pull/2/head
parent
24f164fc6c
commit
4c3d40fdbd
155
init.lua
155
init.lua
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@ -704,12 +704,13 @@ function internal.generate_caves(data, minp, maxp)
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)
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local air = minetest.get_content_id("air")
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local schems = {}
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-- Place blocks where necessary
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internal.iter_3d_area(bminp, bmaxp, function (i, pos)
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local function place(name)
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local vi = vmanip:pos_to_index(pos)
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local function place(name)
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if vmanip:get_index(vi) == air then
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elseif type(name) == "string" then
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@ -726,14 +727,6 @@ function internal.generate_caves(data, minp, maxp)
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elseif nt == internal.node_types.stick_edge then
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elseif nt == internal.node_types.air then
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place("air")
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elseif nt == internal.node_types.floor_deco then
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for _, deco in ipairs(noordstar_caves.registered_decorations) do
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if deco.place_on ~= "floor" then
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elseif math.random() > deco.fill_ratio then
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else
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-- TODO: Check for biome
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end
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end
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else
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-- Find appropriate biome
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local heat = heat_points:get_index(i)
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@ -747,6 +740,32 @@ function internal.generate_caves(data, minp, maxp)
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place(def.node_wall)
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elseif nt == internal.node_types.ceiling then
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place(def.node_roof)
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elseif nt == internal.node_types.floor_deco then
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local schem_placed = false
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if not schem_placed then
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-- Prevent decorations from spawning in the air
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if vmanip:get_index(vi) == air then
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schem_placed = true
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end
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end
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if not schem_placed then
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for _, deco in ipairs(noordstar_caves.registered_decorations) do
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if deco.place_on ~= "floor" then
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elseif math.random() > deco.fill_ratio then
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elseif not internal.is_deco_biome(deco, def.name) then
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else
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table.insert(schems, { pos = pos, deco = deco })
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schem_placed = true
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break
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end
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end
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end
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if not schem_placed then
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place(def.node_dust or "air")
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end
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else
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error(
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table.concat(
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@ -763,7 +782,7 @@ function internal.generate_caves(data, minp, maxp)
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end
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end)
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return vmanip.arr
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return vmanip.arr, schems
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end
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-- Get the noise params for the cave biome temperature.
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@ -799,6 +818,23 @@ function internal.is_cave_node(noise, vastness)
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return noise > 1 - vastness
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end
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-- Return whether a given decoration definition can spawn in a given biome name
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function internal.is_deco_biome(def, biome_name)
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if type(def.biomes) == "nil" then
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return true
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elseif type(def.biomes) == "string" then
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return def.biomes == biome_name
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elseif type(def.biomes) == "table" then
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for _, name in pairs(def.biomes) do
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if name == biome_name then
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return true
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end
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end
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end
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return false
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end
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-- Return a bool whether a position is within a given volume
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function internal.is_valid_pos(pos, minp, maxp)
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if minp.x <= pos.x and pos.x <= maxp.x then
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@ -869,6 +905,80 @@ end
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-- minetest.chat_send_all(os.time() .. " - " .. text)
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-- end
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-- Place a table full of schematics into the world
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function internal.place_schematics(schems)
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for _, schem in ipairs(schems) do
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local pos = schem.pos
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local deco = schem.deco
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if deco.deco_type == "simple" then
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local h_min = deco.height
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local h_max = math.max(deco.height_max, deco.height)
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local dy = deco.place_offset_y - 1
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if deco.place_on == "floor" then
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for y = 1, math.random(h_min, h_max), 1 do
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minetest.set_node(
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{ x = pos.x, y = pos.y + y + dy, z = pos.z },
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{ name = deco.decoration }
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)
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end
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elseif deco.place_on == "ceiling" then
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for y = 1, math.random(h_min, h_max), 1 do
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minetest.set_node(
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{ x = pos.x, y = pos.y - y - dy, z = pos.z },
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{ name = deco.decoration }
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)
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end
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else
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error("Unknown place_on parameter `" .. deco.place_on .. "` for simple decoration!")
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end
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elseif deco.deco_type == "schematic" then
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local name = deco.schematic
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local force_placement = true
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if string.find("force_placement", deco.flags) then
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force_placement = true
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end
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if deco.place_on == "floor" then
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local n = minetest.place_schematic(
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pos, name, deco.rotation, deco.replacements,
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force_placement, deco.flags
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)
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if type(n) == "nil" then
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minetest.chat_send_all("Squeak could not load!")
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else
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minetest.chat_send_all("Placed a Squeak!")
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if not tpd_yet then
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minetest.get_player_by_name("singleplayer"):move_to(pos)
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tpd_yet = true
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minetest.chat_send_all(internal.pos_to_str(pos))
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end
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end
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elseif deco.place_on == "ceiling" then
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-- Aim to place schematic against the ceiling, not through it
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local h = minetest.read_schematic(name).size.y
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local c_pos = { x = pos.x, y = pos.y - h, z = pos.z }
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if string.find("place_center_y", deco.flags) then
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c_pos = pos
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end
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minetest.place_schematic(
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pos, name, deco.rotation, deco.replacements,
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force_placement, deco.flags
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)
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else
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error("Unknown place_on parameter `" .. deco.place_on .. "` for simple decoration!")
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end
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else
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error("Unknown decoration type `" .. deco.deco_type .. "`")
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end
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end
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end
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-- Helper function to convert a set of coordinates to a readable string
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function internal.pos_to_str(pos)
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return "(" .. pos.x .. ", " .. pos.y .. ", " .. pos.z .. " )"
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@ -1090,13 +1200,17 @@ end
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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minetest.register_on_generated(function(minp, maxp, blockseed)
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math.randomseed(blockseed)
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local vm = minetest.get_mapgen_object("voxelmanip")
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local data = vm:get_data()
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data = internal.generate_caves(data, minp, maxp)
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data, schems = internal.generate_caves(data, minp, maxp)
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vm:set_data(data)
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vm:write_to_map()
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internal.place_schematics(schems)
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end)
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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@ -1202,6 +1316,7 @@ noordstar_caves.register_biome({
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node_floor = "mcl_core:crying_obsidian",
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node_wall = "mcl_core:sand",
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node_roof = "mcl_ocean:sea_lantern",
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node_dust = "mcl_core:snow",
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heat_point = 0,
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humidity_point = 0,
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})
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@ -1213,3 +1328,21 @@ noordstar_caves.register_biome({
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heat_point = 100,
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humidity_point = 100,
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})
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noordstar_caves.register_decoration({
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deco_type = "simple",
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place_on = "floor",
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fill_ratio = 0.01,
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decoration = "mcl_core:cactus",
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height = 3,
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height_max = 8,
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biomes = { "test" },
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})
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noordstar_caves.register_decoration({
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deco_type = "schematic",
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place_on = "floor",
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fill_ratio = 0.005,
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schematic = "test.mts",
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rotation = "random",
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place_offset_y = 5,
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})
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