791 lines
28 KiB
Lua
791 lines
28 KiB
Lua
mcl_mapgen_core = {}
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local registered_generators = {}
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local lvm, nodes, param2 = 0, 0, 0
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local lvm_buffer = {}
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local modname = minetest.get_current_modname()
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local modpath = minetest.get_modpath(modname)
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--
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-- Aliases for map generator outputs
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--
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minetest.register_alias("mapgen_air", "air")
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minetest.register_alias("mapgen_stone", "mcl_core:stone")
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minetest.register_alias("mapgen_tree", "mcl_core:tree")
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minetest.register_alias("mapgen_leaves", "mcl_core:leaves")
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minetest.register_alias("mapgen_jungletree", "mcl_core:jungletree")
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minetest.register_alias("mapgen_jungleleaves", "mcl_core:jungleleaves")
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minetest.register_alias("mapgen_pine_tree", "mcl_core:sprucetree")
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minetest.register_alias("mapgen_pine_needles", "mcl_core:spruceleaves")
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minetest.register_alias("mapgen_apple", "mcl_core:leaves")
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minetest.register_alias("mapgen_water_source", "mcl_core:water_source")
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minetest.register_alias("mapgen_dirt", "mcl_core:dirt")
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minetest.register_alias("mapgen_dirt_with_grass", "mcl_core:dirt_with_grass")
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minetest.register_alias("mapgen_dirt_with_snow", "mcl_core:dirt_with_grass_snow")
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minetest.register_alias("mapgen_sand", "mcl_core:sand")
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minetest.register_alias("mapgen_gravel", "mcl_core:gravel")
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minetest.register_alias("mapgen_clay", "mcl_core:clay")
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minetest.register_alias("mapgen_lava_source", "air") -- Built-in lava generator is too unpredictable, we generate lava on our own
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minetest.register_alias("mapgen_cobble", "mcl_core:cobble")
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minetest.register_alias("mapgen_mossycobble", "mcl_core:mossycobble")
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minetest.register_alias("mapgen_junglegrass", "mcl_flowers:fern")
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minetest.register_alias("mapgen_stone_with_coal", "mcl_core:stone_with_coal")
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minetest.register_alias("mapgen_stone_with_iron", "mcl_core:stone_with_iron")
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minetest.register_alias("mapgen_desert_sand", "mcl_core:sand")
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minetest.register_alias("mapgen_desert_stone", "mcl_core:sandstone")
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minetest.register_alias("mapgen_sandstone", "mcl_core:sandstone")
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if minetest.get_modpath("mclx_core") then
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minetest.register_alias("mapgen_river_water_source", "mclx_core:river_water_source")
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else
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minetest.register_alias("mapgen_river_water_source", "mcl_core:water_source")
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end
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minetest.register_alias("mapgen_snow", "mcl_core:snow")
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minetest.register_alias("mapgen_snowblock", "mcl_core:snowblock")
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minetest.register_alias("mapgen_ice", "mcl_core:ice")
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minetest.register_alias("mapgen_stair_cobble", "mcl_stairs:stair_cobble")
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minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth")
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minetest.register_alias("mapgen_stair_sandstonebrick", "mcl_stairs:stair_sandstone")
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minetest.register_alias("mapgen_stair_sandstone_block", "mcl_stairs:stair_sandstone")
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minetest.register_alias("mapgen_stair_desert_stone", "mcl_stairs:stair_sandstone")
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local mg_name = minetest.get_mapgen_setting("mg_name")
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local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
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-- End exit portal position
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local END_EXIT_PORTAL_POS = vector.new(-3, -27003, -3)
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-- Content IDs
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local c_bedrock = minetest.get_content_id("mcl_core:bedrock")
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local c_obsidian = minetest.get_content_id("mcl_core:obsidian")
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local c_stone = minetest.get_content_id("mcl_core:stone")
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local c_dirt = minetest.get_content_id("mcl_core:dirt")
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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_grass_snow = minetest.get_content_id("mcl_core:dirt_with_grass_snow")
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local c_reeds = minetest.get_content_id("mcl_core:reeds")
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local c_sand = minetest.get_content_id("mcl_core:sand")
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--local c_sandstone = minetest.get_content_id("mcl_core:sandstone")
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local c_void = minetest.get_content_id("mcl_core:void")
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local c_lava = minetest.get_content_id("mcl_core:lava_source")
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local c_water = minetest.get_content_id("mcl_core:water_source")
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local c_soul_sand = minetest.get_content_id("mcl_nether:soul_sand")
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local c_netherrack = minetest.get_content_id("mcl_nether:netherrack")
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local c_nether_lava = minetest.get_content_id("mcl_nether:nether_lava_source")
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--local c_end_stone = minetest.get_content_id("mcl_end:end_stone")
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local c_realm_barrier = minetest.get_content_id("mcl_core:realm_barrier")
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local c_top_snow = minetest.get_content_id("mcl_core:snow")
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local c_snow_block = minetest.get_content_id("mcl_core:snowblock")
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local c_clay = minetest.get_content_id("mcl_core:clay")
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local c_leaves = minetest.get_content_id("mcl_core:leaves")
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local c_jungleleaves = minetest.get_content_id("mcl_core:jungleleaves")
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--local c_jungletree = minetest.get_content_id("mcl_core:jungletree")
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local c_cocoa_1 = minetest.get_content_id("mcl_cocoas:cocoa_1")
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local c_cocoa_2 = minetest.get_content_id("mcl_cocoas:cocoa_2")
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local c_cocoa_3 = minetest.get_content_id("mcl_cocoas:cocoa_3")
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local c_vine = minetest.get_content_id("mcl_core:vine")
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local c_air = minetest.CONTENT_AIR
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dofile(modpath.."/ores.lua")
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local mg_flags = minetest.settings:get_flags("mg_flags")
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-- Inform other mods of dungeon setting for MCL2-style dungeons
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mcl_vars.mg_dungeons = mg_flags.dungeons and not superflat
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-- Disable builtin dungeons, we provide our own dungeons
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mg_flags.dungeons = false
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if superflat then
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-- Enforce superflat-like mapgen: no caves, decor, lakes and hills
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mg_flags.caves = false
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mg_flags.decorations = false
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minetest.set_mapgen_setting("mgflat_spflags", "nolakes,nohills", true)
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end
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local mg_flags_str = ""
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for k,v in pairs(mg_flags) do
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if v == false then
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k = "no" .. k
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end
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mg_flags_str = mg_flags_str .. k .. ","
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end
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if string.len(mg_flags_str) > 0 then
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mg_flags_str = string.sub(mg_flags_str, 1, string.len(mg_flags_str)-1)
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end
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minetest.set_mapgen_setting("mg_flags", mg_flags_str, true)
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-- Helper function for converting a MC probability to MT, with
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-- regards to MapBlocks.
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-- Some MC generated structures are generated on per-chunk
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-- probability.
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-- The MC probability is 1/x per Minecraft chunk (16×16).
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-- x: The MC probability is 1/x.
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-- minp, maxp: MapBlock limits
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-- returns: Probability (1/return_value) for a single MT mapblock
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local function minecraft_chunk_probability(x, minp, maxp)
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-- 256 is the MC chunk height
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return x * (((maxp.x-minp.x+1)*(maxp.z-minp.z+1)) / 256)
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end
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-- Takes an index of a biomemap table (from minetest.get_mapgen_object),
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-- minp and maxp (from an on_generated callback) and returns the real world coordinates
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-- as X, Z.
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-- Inverse function of xz_to_biomemap
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--[[local function biomemap_to_xz(index, minp, maxp)
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local xwidth = maxp.x - minp.x + 1
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local zwidth = maxp.z - minp.z + 1
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local x = ((index-1) % xwidth) + minp.x
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local z = ((index-1) / zwidth) + minp.z
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return x, z
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end]]
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-- Takes x and z coordinates and minp and maxp of a generated chunk
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-- (in on_generated callback) and returns a biomemap index)
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-- Inverse function of biomemap_to_xz
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local function xz_to_biomemap_index(x, z, minp, maxp)
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local xwidth = maxp.x - minp.x + 1
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local zwidth = maxp.z - minp.z + 1
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local minix = x % xwidth
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local miniz = z % zwidth
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return (minix + miniz * zwidth) + 1
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end
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-- Perlin noise objects
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local perlin_structures
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local perlin_vines, perlin_vines_fine, perlin_vines_upwards, perlin_vines_length, perlin_vines_density
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local perlin_clay
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local function generate_clay(minp, maxp, blockseed, voxelmanip_data, voxelmanip_area, lvm_used)
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-- TODO: Make clay generation reproducible for same seed.
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if maxp.y < -5 or minp.y > 0 then
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return lvm_used
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end
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local pr = PseudoRandom(blockseed)
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perlin_clay = perlin_clay or minetest.get_perlin({
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offset = 0.5,
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scale = 0.2,
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spread = {x = 5, y = 5, z = 5},
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seed = -316,
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octaves = 1,
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persist = 0.0
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})
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for y=math.max(minp.y, 0), math.min(maxp.y, -8), -1 do
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-- Assume X and Z lengths are equal
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local divlen = 4
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local divs = (maxp.x-minp.x)/divlen+1;
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for divx=0+1,divs-2 do
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for divz=0+1,divs-2 do
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-- Get position and shift it a bit randomly so the clay do not obviously appear in a grid
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local cx = minp.x + math.floor((divx+0.5)*divlen) + pr:next(-1,1)
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local cz = minp.z + math.floor((divz+0.5)*divlen) + pr:next(-1,1)
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local water_pos = voxelmanip_area:index(cx, y+1, cz)
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local waternode = voxelmanip_data[water_pos]
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local surface_pos = voxelmanip_area:index(cx, y, cz)
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local surfacenode = voxelmanip_data[surface_pos]
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local genrnd = pr:next(1, 20)
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if genrnd == 1 and perlin_clay:get_3d({x=cx,y=y,z=cz}) > 0 and waternode == c_water and
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(surfacenode == c_dirt or minetest.get_item_group(minetest.get_name_from_content_id(surfacenode), "sand") == 1) then
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local diamondsize = pr:next(1, 3)
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for x1 = -diamondsize, diamondsize do
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for z1 = -(diamondsize - math.abs(x1)), diamondsize - math.abs(x1) do
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local ccpos = voxelmanip_area:index(cx+x1, y, cz+z1)
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local claycandidate = voxelmanip_data[ccpos]
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if voxelmanip_data[ccpos] == c_dirt or minetest.get_item_group(minetest.get_name_from_content_id(claycandidate), "sand") == 1 then
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voxelmanip_data[ccpos] = c_clay
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lvm_used = true
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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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end
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return lvm_used
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end
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local function generate_end_exit_portal(pos)
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local obj = minetest.add_entity(vector.add(pos, vector.new(3, 11, 3)), "mobs_mc:enderdragon")
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if obj then
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local dragon_entity = obj:get_luaentity()
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dragon_entity._initial = true
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dragon_entity._portal_pos = pos
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else
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minetest.log("error", "[mcl_mapgen_core] ERROR! Ender dragon doesn't want to spawn")
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end
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mcl_structures.call_struct(pos, "end_exit_portal")
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end
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local function generate_structures(minp, maxp, blockseed, biomemap)
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-- End exit portal
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end
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-- Buffers for LuaVoxelManip
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-- local lvm_buffer = {}
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-- local lvm_buffer_param2 = {}
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-- Generate tree decorations in the bounding box. This adds:
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-- * Cocoa at jungle trees
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-- * Jungle tree vines
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-- * Oak vines in swamplands
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local function generate_tree_decorations(minp, maxp, seed, data, param2_data, area, biomemap, lvm_used, pr)
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if maxp.y < 0 then
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return lvm_used
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end
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local oaktree, oakleaves, jungletree, jungleleaves = {}, {}, {}, {}
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local swampland = minetest.get_biome_id("Swampland")
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local swampland_shore = minetest.get_biome_id("Swampland_shore")
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local jungle = minetest.get_biome_id("Jungle")
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local jungle_shore = minetest.get_biome_id("Jungle_shore")
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local jungle_m = minetest.get_biome_id("JungleM")
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local jungle_m_shore = minetest.get_biome_id("JungleM_shore")
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local jungle_edge = minetest.get_biome_id("JungleEdge")
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local jungle_edge_shore = minetest.get_biome_id("JungleEdge_shore")
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local jungle_edge_m = minetest.get_biome_id("JungleEdgeM")
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local jungle_edge_m_shore = minetest.get_biome_id("JungleEdgeM_shore")
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-- Modifier for Jungle M biome: More vines and cocoas
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local dense_vegetation = false
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if biomemap then
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-- Biome map available: Check if the required biome (jungle or swampland)
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-- is in this mapchunk. We are only interested in trees in the correct biome.
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-- The nodes are added if the correct biome is *anywhere* in the mapchunk.
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-- TODO: Strictly generate vines in the correct biomes only.
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local swamp_biome_found, jungle_biome_found = false, false
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for b=1, #biomemap do
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local id = biomemap[b]
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if not swamp_biome_found and (id == swampland or id == swampland_shore) then
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oaktree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:tree"})
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oakleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:leaves"})
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swamp_biome_found = true
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end
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if not jungle_biome_found and (id == jungle or id == jungle_shore or id == jungle_m or id == jungle_m_shore or id == jungle_edge or id == jungle_edge_shore or id == jungle_edge_m or id == jungle_edge_m_shore) then
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jungletree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungletree"})
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jungleleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungleleaves"})
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jungle_biome_found = true
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end
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if not dense_vegetation and (id == jungle_m or id == jungle_m_shore) then
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dense_vegetation = true
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end
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if swamp_biome_found and jungle_biome_found and dense_vegetation then
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break
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end
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end
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else
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-- If there is no biome map, we just count all jungle things we can find.
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-- Oak vines will not be generated.
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jungletree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungletree"})
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jungleleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungleleaves"})
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end
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local pos, treepos, dir
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local cocoachance = 40
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if dense_vegetation then
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cocoachance = 32
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end
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-- Pass 1: Generate cocoas at jungle trees
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for n = 1, #jungletree do
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pos = table.copy(jungletree[n])
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treepos = table.copy(pos)
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if minetest.find_node_near(pos, 1, {"mcl_core:jungleleaves"}) then
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dir = pr:next(1, cocoachance)
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if dir == 1 then
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pos.z = pos.z + 1
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elseif dir == 2 then
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pos.z = pos.z - 1
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elseif dir == 3 then
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pos.x = pos.x + 1
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elseif dir == 4 then
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pos.x = pos.x -1
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end
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local p_pos = area:index(pos.x, pos.y, pos.z)
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local l = minetest.get_node_light(pos)
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if dir < 5
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and data[p_pos] == c_air
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and l and l > 12 then
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local c = pr:next(1, 3)
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if c == 1 then
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data[p_pos] = c_cocoa_1
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elseif c == 2 then
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data[p_pos] = c_cocoa_2
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else
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data[p_pos] = c_cocoa_3
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end
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param2_data[p_pos] = minetest.dir_to_facedir(vector.subtract(treepos, pos))
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lvm_used = true
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end
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end
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end
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-- Pass 2: Generate vines at jungle wood, jungle leaves in jungle and oak wood, oak leaves in swampland
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perlin_vines = perlin_vines or minetest.get_perlin(555, 4, 0.6, 500)
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perlin_vines_fine = perlin_vines_fine or minetest.get_perlin(43000, 3, 0.6, 1)
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perlin_vines_length = perlin_vines_length or minetest.get_perlin(435, 4, 0.6, 75)
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perlin_vines_upwards = perlin_vines_upwards or minetest.get_perlin(436, 3, 0.6, 10)
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perlin_vines_density = perlin_vines_density or minetest.get_perlin(436, 3, 0.6, 500)
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-- Extra long vines in Jungle M
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local maxvinelength = 7
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if dense_vegetation then
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maxvinelength = 14
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end
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local treething
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for i=1, 4 do
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if i==1 then
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treething = jungletree
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elseif i == 2 then
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treething = jungleleaves
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elseif i == 3 then
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treething = oaktree
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elseif i == 4 then
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treething = oakleaves
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end
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for n = 1, #treething do
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pos = treething[n]
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treepos = table.copy(pos)
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local dirs = {
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{x=1,y=0,z=0},
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{x=-1,y=0,z=0},
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{x=0,y=0,z=1},
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{x=0,y=0,z=-1},
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}
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for d = 1, #dirs do
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local pos = vector.add(pos, dirs[d])
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local p_pos = area:index(pos.x, pos.y, pos.z)
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local vine_threshold = math.max(0.33333, perlin_vines_density:get_2d(pos))
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if dense_vegetation then
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vine_threshold = vine_threshold * (2/3)
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end
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if perlin_vines:get_2d(pos) > -1.0 and perlin_vines_fine:get_3d(pos) > vine_threshold and data[p_pos] == c_air then
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local rdir = {}
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rdir.x = -dirs[d].x
|
||
rdir.y = dirs[d].y
|
||
rdir.z = -dirs[d].z
|
||
local param2 = minetest.dir_to_wallmounted(rdir)
|
||
|
||
-- Determine growth direction
|
||
local grow_upwards = false
|
||
-- Only possible on the wood, not on the leaves
|
||
if i == 1 then
|
||
grow_upwards = perlin_vines_upwards:get_3d(pos) > 0.8
|
||
end
|
||
if grow_upwards then
|
||
-- Grow vines up 1-4 nodes, even through jungleleaves.
|
||
-- This may give climbing access all the way to the top of the tree :-)
|
||
-- But this will be fairly rare.
|
||
local length = math.ceil(math.abs(perlin_vines_length:get_3d(pos)) * 4)
|
||
for l=0, length-1 do
|
||
local t_pos = area:index(treepos.x, treepos.y, treepos.z)
|
||
|
||
if (data[p_pos] == c_air or data[p_pos] == c_jungleleaves or data[p_pos] == c_leaves) and mcl_core.supports_vines(minetest.get_name_from_content_id(data[t_pos])) then
|
||
data[p_pos] = c_vine
|
||
param2_data[p_pos] = param2
|
||
lvm_used = true
|
||
|
||
else
|
||
break
|
||
end
|
||
pos.y = pos.y + 1
|
||
p_pos = area:index(pos.x, pos.y, pos.z)
|
||
treepos.y = treepos.y + 1
|
||
end
|
||
else
|
||
-- Grow vines down, length between 1 and maxvinelength
|
||
local length = math.ceil(math.abs(perlin_vines_length:get_3d(pos)) * maxvinelength)
|
||
for l=0, length-1 do
|
||
if data[p_pos] == c_air then
|
||
data[p_pos] = c_vine
|
||
param2_data[p_pos] = param2
|
||
lvm_used = true
|
||
|
||
else
|
||
break
|
||
end
|
||
pos.y = pos.y - 1
|
||
p_pos = area:index(pos.x, pos.y, pos.z)
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
end
|
||
end
|
||
return lvm_used
|
||
end
|
||
|
||
minetest.register_on_generated(function(minp, maxp, blockseed)
|
||
minetest.log("action", "[mcl_mapgen_core] Generating chunk " .. minetest.pos_to_string(minp) .. " ... " .. minetest.pos_to_string(maxp))
|
||
local p1, p2 = {x=minp.x, y=minp.y, z=minp.z}, {x=maxp.x, y=maxp.y, z=maxp.z}
|
||
if lvm > 0 then
|
||
local lvm_used, shadow = false, false
|
||
local lb2 = {} -- param2
|
||
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
||
local e1, e2 = {x=emin.x, y=emin.y, z=emin.z}, {x=emax.x, y=emax.y, z=emax.z}
|
||
local data2
|
||
local data = vm:get_data(lvm_buffer)
|
||
if param2 > 0 then
|
||
data2 = vm:get_param2_data(lb2)
|
||
end
|
||
local area = VoxelArea:new({MinEdge=e1, MaxEdge=e2})
|
||
|
||
for _, rec in ipairs(registered_generators) do
|
||
if rec.vf then
|
||
local lvm_used0, shadow0 = rec.vf(vm, data, data2, e1, e2, area, p1, p2, blockseed)
|
||
if lvm_used0 then
|
||
lvm_used = true
|
||
end
|
||
if shadow0 then
|
||
shadow = true
|
||
end
|
||
end
|
||
end
|
||
|
||
if lvm_used then
|
||
-- Write stuff
|
||
vm:set_data(data)
|
||
if param2 > 0 then
|
||
vm:set_param2_data(data2)
|
||
end
|
||
vm:calc_lighting(p1, p2, shadow)
|
||
vm:write_to_map()
|
||
vm:update_liquids()
|
||
end
|
||
end
|
||
|
||
if nodes > 0 then
|
||
for _, rec in ipairs(registered_generators) do
|
||
if rec.nf then
|
||
rec.nf(p1, p2, blockseed)
|
||
end
|
||
end
|
||
end
|
||
|
||
mcl_vars.add_chunk(minp)
|
||
end)
|
||
|
||
function minetest.register_on_generated(node_function)
|
||
mcl_mapgen_core.register_generator("mod_"..minetest.get_current_modname().."_"..tostring(#registered_generators+1), nil, node_function)
|
||
end
|
||
|
||
function mcl_mapgen_core.register_generator(id, lvm_function, node_function, priority, needs_param2)
|
||
if not id then return end
|
||
|
||
local priority = priority or 5000
|
||
|
||
if lvm_function then lvm = lvm + 1 end
|
||
if node_function then nodes = nodes + 1 end
|
||
if needs_param2 then param2 = param2 + 1 end
|
||
|
||
local new_record = {
|
||
id = id,
|
||
i = priority,
|
||
vf = lvm_function,
|
||
nf = node_function,
|
||
needs_param2 = needs_param2,
|
||
}
|
||
|
||
table.insert(registered_generators, new_record)
|
||
table.sort(registered_generators, function(a, b)
|
||
return (a.i < b.i) or ((a.i == b.i) and a.vf and (b.vf == nil))
|
||
end)
|
||
end
|
||
|
||
function mcl_mapgen_core.unregister_generator(id)
|
||
local index
|
||
for i, gen in ipairs(registered_generators) do
|
||
if gen.id == id then
|
||
index = i
|
||
break
|
||
end
|
||
end
|
||
if not index then return end
|
||
local rec = registered_generators[index]
|
||
table.remove(registered_generators, index)
|
||
if rec.vf then lvm = lvm - 1 end
|
||
if rec.nf then nodes = nodes - 1 end
|
||
if rec.needs_param2 then param2 = param2 - 1 end
|
||
--if rec.needs_level0 then level0 = level0 - 1 end
|
||
end
|
||
|
||
-- Generate basic layer-based nodes: void, bedrock, realm barrier, lava seas, etc.
|
||
-- Also perform some basic node replacements.
|
||
|
||
local bedrock_check
|
||
if mcl_vars.mg_bedrock_is_rough then
|
||
function bedrock_check(pos, _, pr)
|
||
local y = pos.y
|
||
-- Bedrock layers with increasing levels of roughness, until a perfecly flat bedrock later at the bottom layer
|
||
-- This code assumes a bedrock height of 5 layers.
|
||
|
||
local diff = mcl_vars.mg_bedrock_overworld_max - y -- Overworld bedrock
|
||
local ndiff1 = mcl_vars.mg_bedrock_nether_bottom_max - y -- Nether bedrock, bottom
|
||
local ndiff2 = mcl_vars.mg_bedrock_nether_top_max - y -- Nether bedrock, ceiling
|
||
|
||
local top
|
||
if diff == 0 or ndiff1 == 0 or ndiff2 == 4 then
|
||
-- 50% bedrock chance
|
||
top = 2
|
||
elseif diff == 1 or ndiff1 == 1 or ndiff2 == 3 then
|
||
-- 66.666...%
|
||
top = 3
|
||
elseif diff == 2 or ndiff1 == 2 or ndiff2 == 2 then
|
||
-- 75%
|
||
top = 4
|
||
elseif diff == 3 or ndiff1 == 3 or ndiff2 == 1 then
|
||
-- 90%
|
||
top = 10
|
||
elseif diff == 4 or ndiff1 == 4 or ndiff2 == 0 then
|
||
-- 100%
|
||
return true
|
||
else
|
||
-- Not in bedrock layer
|
||
return false
|
||
end
|
||
|
||
return pr:next(1, top) <= top-1
|
||
end
|
||
end
|
||
|
||
|
||
-- Helper function to set all nodes in the layers between min and max.
|
||
-- content_id: Node to set
|
||
-- check: optional.
|
||
-- If content_id, node will be set only if it is equal to check.
|
||
-- If function(pos_to_check, content_id_at_this_pos), will set node only if returns true.
|
||
-- min, max: Minimum and maximum Y levels of the layers to set
|
||
-- minp, maxp: minp, maxp of the on_generated
|
||
-- lvm_used: Set to true if any node in this on_generated has been set before.
|
||
--
|
||
-- returns true if any node was set and lvm_used otherwise
|
||
local function set_layers(data, area, content_id, check, min, max, minp, maxp, lvm_used, pr)
|
||
if (maxp.y >= min and minp.y <= max) then
|
||
for y = math.max(min, minp.y), math.min(max, maxp.y) do
|
||
for x = minp.x, maxp.x do
|
||
for z = minp.z, maxp.z do
|
||
local p_pos = area:index(x, y, z)
|
||
if check then
|
||
if type(check) == "function" and check({x=x,y=y,z=z}, data[p_pos], pr) then
|
||
data[p_pos] = content_id
|
||
lvm_used = true
|
||
elseif check == data[p_pos] then
|
||
data[p_pos] = content_id
|
||
lvm_used = true
|
||
end
|
||
else
|
||
data[p_pos] = content_id
|
||
lvm_used = true
|
||
end
|
||
end
|
||
end
|
||
end
|
||
end
|
||
return lvm_used
|
||
end
|
||
|
||
local function set_palette(minp,maxp,data2,area,biomemap,nodes)
|
||
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
|
||
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
|
||
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
|
||
for n=1, #nodes do
|
||
local n = nodes[n]
|
||
local p_pos = area:index(n.x, n.y, n.z)
|
||
local b_pos = aream:index(n.x, 0, n.z)
|
||
local bn = minetest.get_biome_name(biomemap[b_pos])
|
||
if bn then
|
||
local biome = minetest.registered_biomes[bn]
|
||
if biome and biome._mcl_biome_type then
|
||
data2[p_pos] = biome._mcl_palette_index
|
||
lvm_used = true
|
||
end
|
||
end
|
||
end
|
||
return lvm_used
|
||
end
|
||
|
||
-- Below the bedrock, generate air/void
|
||
local function basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
|
||
local biomemap --ymin, ymax
|
||
local lvm_used = false
|
||
local pr = PseudoRandom(blockseed)
|
||
|
||
-- The Void below the Nether:
|
||
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mapgen_edge_min , mcl_vars.mg_nether_min -1, minp, maxp, lvm_used, pr)
|
||
|
||
-- [[ THE NETHER: mcl_vars.mg_nether_min mcl_vars.mg_nether_max ]]
|
||
|
||
-- The Air on the Nether roof, https://git.minetest.land/MineClone2/MineClone2/issues/1186
|
||
lvm_used = set_layers(data, area, c_air , nil, mcl_vars.mg_nether_max +1, mcl_vars.mg_nether_max + 128 , minp, maxp, lvm_used, pr)
|
||
-- The Void above the Nether below the End:
|
||
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_nether_max + 128 +1, mcl_vars.mg_end_min -1, minp, maxp, lvm_used, pr)
|
||
|
||
-- [[ THE END: mcl_vars.mg_end_min mcl_vars.mg_end_max ]]
|
||
|
||
-- The Void above the End below the Realm barrier:
|
||
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_end_max +1, mcl_vars.mg_realm_barrier_overworld_end_min-1, minp, maxp, lvm_used, pr)
|
||
-- Realm barrier between the Overworld void and the End
|
||
lvm_used = set_layers(data, area, c_realm_barrier, nil, mcl_vars.mg_realm_barrier_overworld_end_min , mcl_vars.mg_realm_barrier_overworld_end_max , minp, maxp, lvm_used, pr)
|
||
-- The Void above Realm barrier below the Overworld:
|
||
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_realm_barrier_overworld_end_max+1, mcl_vars.mg_overworld_min -1, minp, maxp, lvm_used, pr)
|
||
|
||
|
||
if mg_name ~= "singlenode" then
|
||
-- Bedrock
|
||
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_overworld_min, mcl_vars.mg_bedrock_overworld_max, minp, maxp, lvm_used, pr)
|
||
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_bottom_min, mcl_vars.mg_bedrock_nether_bottom_max, minp, maxp, lvm_used, pr)
|
||
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_top_min, mcl_vars.mg_bedrock_nether_top_max, minp, maxp, lvm_used, pr)
|
||
|
||
-- Flat Nether
|
||
if mg_name == "flat" then
|
||
lvm_used = set_layers(data, area, c_air, nil, mcl_vars.mg_flat_nether_floor, mcl_vars.mg_flat_nether_ceiling, minp, maxp, lvm_used, pr)
|
||
end
|
||
|
||
-- Big lava seas by replacing air below a certain height
|
||
if mcl_vars.mg_lava then
|
||
lvm_used = set_layers(data, area, c_lava, c_air, mcl_vars.mg_overworld_min, mcl_vars.mg_lava_overworld_max, minp, maxp, lvm_used, pr)
|
||
lvm_used = set_layers(data, area, c_nether_lava, c_air, mcl_vars.mg_nether_min, mcl_vars.mg_lava_nether_max, minp, maxp, lvm_used, pr)
|
||
end
|
||
end
|
||
|
||
return lvm_used, false
|
||
end
|
||
|
||
local function block_fixes(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
|
||
local biomemap = minetest.get_mapgen_object("biomemap")
|
||
local lvm_used = false
|
||
local pr = PseudoRandom(blockseed)
|
||
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
|
||
-- Set param2 (=color) of sugar cane and grass
|
||
lvm_used = set_palette(minp,maxp,data2,area,biomemap,{"mcl_core:reeds","mcl_core:dirt_with_grass"})
|
||
end
|
||
return lvm_used
|
||
end
|
||
|
||
|
||
-- End block fixes:
|
||
-- * Replace water with end stone or air (depending on height).
|
||
-- * Remove stone, sand, dirt in v6 so our End map generator works in v6.
|
||
-- * Generate spawn platform (End portal destination)
|
||
local function end_basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
|
||
if minp.y < -26912 or maxp.y >= mcl_vars.mg_end_max then return end
|
||
local biomemap --ymin, ymax
|
||
local lvm_used = false
|
||
local pr = PseudoRandom(blockseed)
|
||
local nodes
|
||
if mg_name ~= "v6" then
|
||
nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source"})
|
||
if #nodes > 0 then
|
||
lvm_used = true
|
||
for _,n in pairs(nodes) do
|
||
data[area:index(n.x, n.y, n.z)] = c_air
|
||
end
|
||
end
|
||
end
|
||
-- Obsidian spawn platform
|
||
if minp.y <= mcl_vars.mg_end_platform_pos.y and maxp.y >= mcl_vars.mg_end_platform_pos.y and
|
||
minp.x <= mcl_vars.mg_end_platform_pos.x and maxp.x >= mcl_vars.mg_end_platform_pos.z and
|
||
minp.z <= mcl_vars.mg_end_platform_pos.z and maxp.z >= mcl_vars.mg_end_platform_pos.z then
|
||
|
||
--local pos1 = {x = math.max(minp.x, mcl_vars.mg_end_platform_pos.x-2), y = math.max(minp.y, mcl_vars.mg_end_platform_pos.y), z = math.max(minp.z, mcl_vars.mg_end_platform_pos.z-2)}
|
||
--local pos2 = {x = math.min(maxp.x, mcl_vars.mg_end_platform_pos.x+2), y = math.min(maxp.y, mcl_vars.mg_end_platform_pos.y+2), z = math.min(maxp.z, mcl_vars.mg_end_platform_pos.z+2)}
|
||
|
||
for x=math.max(minp.x, mcl_vars.mg_end_platform_pos.x-2), math.min(maxp.x, mcl_vars.mg_end_platform_pos.x+2) do
|
||
for z=math.max(minp.z, mcl_vars.mg_end_platform_pos.z-2), math.min(maxp.z, mcl_vars.mg_end_platform_pos.z+2) do
|
||
for y=math.max(minp.y, mcl_vars.mg_end_platform_pos.y), math.min(maxp.y, mcl_vars.mg_end_platform_pos.y+2) do
|
||
local p_pos = area:index(x, y, z)
|
||
if y == mcl_vars.mg_end_platform_pos.y then
|
||
data[p_pos] = c_obsidian
|
||
else
|
||
data[p_pos] = c_air
|
||
end
|
||
end
|
||
end
|
||
end
|
||
lvm_used = true
|
||
end
|
||
-- Final hackery: Set sun light level in the End.
|
||
-- -26912 is at a mapchunk border.
|
||
vm:set_lighting({day=15, night=15})
|
||
lvm_used = true
|
||
|
||
local shadow = true
|
||
if emin.y >= mcl_vars.mg_end_min and emax.y <= -26911 then
|
||
shadow = false
|
||
lvm_used = true
|
||
end
|
||
return lvm_used, shadow
|
||
end
|
||
|
||
|
||
local function end_node(minp, maxp, blockseed)
|
||
if minp.y <= END_EXIT_PORTAL_POS.y and maxp.y >= END_EXIT_PORTAL_POS.y and
|
||
minp.x <= END_EXIT_PORTAL_POS.x and maxp.x >= END_EXIT_PORTAL_POS.x and
|
||
minp.z <= END_EXIT_PORTAL_POS.z and maxp.z >= END_EXIT_PORTAL_POS.z then
|
||
for y=maxp.y, minp.y, -1 do
|
||
local p = {x=END_EXIT_PORTAL_POS.x, y=y, z=END_EXIT_PORTAL_POS.z}
|
||
if minetest.get_node(p).name == "mcl_end:end_stone" then
|
||
generate_end_exit_portal(p)
|
||
return
|
||
end
|
||
end
|
||
generate_end_exit_portal(END_EXIT_PORTAL_POS)
|
||
end
|
||
end
|
||
|
||
mcl_mapgen_core.register_generator("main", basic, nil, 1, true)
|
||
mcl_mapgen_core.register_generator("end_fixes", end_basic, end_node, 20, true)
|
||
|
||
|
||
mcl_mapgen_core.register_generator("structures",nil, function(minp, maxp, blockseed)
|
||
local gennotify = minetest.get_mapgen_object("gennotify")
|
||
local has_struct = {}
|
||
local has = false
|
||
local poshash = minetest.hash_node_position(minp)
|
||
for _,struct in pairs(mcl_structures.registered_structures) do
|
||
if struct.deco_id then
|
||
local pr = PseudoRandom(blockseed + 42)
|
||
for _, pos in pairs(gennotify["decoration#"..struct.deco_id] or {}) do
|
||
local realpos = vector.offset(pos,0,1,0)
|
||
minetest.remove_node(realpos)
|
||
if struct.chunk_probability == nil or (not has and pr:next(1,struct.chunk_probability) == 1 ) then
|
||
mcl_structures.place_structure(realpos,struct,pr,blockseed)
|
||
has=true
|
||
end
|
||
end
|
||
end
|
||
end
|
||
end, 100, true)
|
||
|
||
if mg_name == "v6" then
|
||
dofile(modpath.."/v6.lua")
|
||
end
|