forked from MineClone5/MineClone5
Generate only desert seeds for some structs and lots of debugging glass blocks in the sky
This commit is contained in:
parent
667ebf1385
commit
16116df4c6
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@ -7,26 +7,28 @@ local DIVLEN = 5
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local V6 = mcl_mapgen.v6
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local math_min, math_max = math.min, math.max
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local math_floor = math.floor
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local math_floor, math_ceil = math.floor, math.ceil
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local minetest_get_node = minetest.get_node
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local minetest_get_mapgen_object = minetest.get_mapgen_object
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local minetest_find_nodes_in_area = minetest.find_nodes_in_area
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local minetest_get_item_group = minetest.get_item_group
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local perlin_structures
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local function determine_ground_level(p, vm_context)
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local emax = vm_context.emax
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local emax_y = emax.y
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local y = math_min(OVERWORLD_STRUCT_MAX, emax_y)
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if y < emax_y then
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local maxp = vm_context.maxp
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local maxp_y = maxp.y
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local y = math_min(OVERWORLD_STRUCT_MAX, maxp_y)
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if y < maxp_y then
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y = y + 1
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end
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p.y = y
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local checknode = minetest_get_node(p)
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if checknode.name ~= "air" then
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return
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end
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for y = y - 1, math_max(OVERWORLD_STRUCT_MIN, vm_context.emin.y), -1 do
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local nn = checknode.name
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if nn ~= "air" and minetest_get_item_group(nn, "attached_node") == 0 and minetest_get_item_group(nn, "deco_block") == 0 then return end
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for y = y - 1, math_max(OVERWORLD_STRUCT_MIN, vm_context.minp.y), -1 do
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p.y = y
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local checknode = minetest_get_node(p)
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if checknode then
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@ -57,53 +59,136 @@ end
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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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local zstride = maxp.z - minp.z + 1
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return (z - minp.z) * zstride + (x - minp.x) + 1
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end
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local chunk_has_desert_struct
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local chunk_has_igloo
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--local chunk_has_desert_struct
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--local chunk_has_desert_temple
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--local chunk_has_igloo
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local function spawn_desert_temples_and_desert_wells(p, nn, pr, vm_context)
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if chunk_has_desert_struct or p.y < 5 then return end
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minetest.register_node("mcl_mapgen_core:desert_temple", {
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-- drawtype="airlike",
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tiles = {"mcl_core_stonebrick_carved.png"},
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groups = {
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struct = 1,
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not_in_creative_inventory = 1,
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},
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})
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local octaves = 3
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local persistence = 0.6
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local offset = 0
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local scale = 1
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local max_noise = 0
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for i = 1, octaves do
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local noise = 1 * (persistence ^ (i - 1))
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max_noise = max_noise + noise
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end
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max_noise = max_noise * octaves
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max_noise = offset + scale * max_noise
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--[[function structures.register_structure(
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name, -- "desert_temple"
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place_on, -- {"mcl_core:sand", "mcl_core:sandstone"}
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flags, -- "all_floors"
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]]
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minetest.register_decoration({
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decoration = "mcl_mapgen_core:desert_temple",
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deco_type = "simple",
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place_on = {"mcl_core:sand", "mcl_core:sandstone"},
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flags = "all_floors",
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--[[ noise_params = {
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offset = offset,
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scale = scale,
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spread = {
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x = 1,
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y = 1,
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z = 1,
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},
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seed = 329,
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octaves = octaves,
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persistence = persistence,
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lacunarity = 2.0,
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flags = "eased",
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},
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noise_threshold = 1000,-- * 0.9,
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]]
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fill_ratio = 0.001,
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y_min = 5,
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y_max = mcl_mapgen.overworld.max,
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height = 1,
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biomes = {
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"ColdTaiga_beach",
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"ColdTaiga_beach_water",
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"Desert",
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"Desert_ocean",
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"ExtremeHills_beach",
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"FlowerForest_beach",
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"Forest_beach",
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"MesaBryce_sandlevel",
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"MesaPlateauF_sandlevel",
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"MesaPlateauFM_sandlevel",
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"Savanna",
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"Savanna_beach",
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"StoneBeach",
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"StoneBeach_ocean",
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"Taiga_beach",
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},
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})
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--minetest.register_lbm(
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-- name = "mcl_mapgen_core:process_struct_seed",
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-- nodenames = {
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-- "group:struct",
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-- }
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-- run_at_everly_load = true,
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-- action = function(pos, node)
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-- end,
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--)
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local function spawn_desert_temple(p, nn, pr, vm_context)
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if p.y < 5 then return end
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if nn ~= "mcl_core:sand" and nn ~= "mcl_core:sandstone" then return end
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-- Spawn desert temple
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if pr:next(1,12000) == 1 then
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-- if pr:next(1,12000) ~= 1 then return end
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mcl_structures.call_struct(p, "desert_temple", nil, pr)
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chunk_has_desert_struct = true
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return true
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end
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-- Spawn desert well
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end
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local function spawn_desert_well(p, nn, pr, vm_context)
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if p.y < 5 then return end
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if nn ~= "mcl_core:sand" and nn ~= "mcl_core:sandstone" then return end
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local desert_well_prob = minecraft_chunk_probability(1000, vm_context.minp, vm_context.maxp)
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if pr:next(1, desert_well_prob) ~= 1 then return end
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-- Check surface
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-- if pr:next(1, desert_well_prob) ~= 1 then return end
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local surface = minetest_find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, {x=p.x+5, y=p.y-1, z=p.z+5}, "mcl_core:sand")
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if #surface < 25 then return end
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mcl_structures.call_struct(p, "desert_well", nil, pr)
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chunk_has_desert_struct = true
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return true
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end
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local function spawn_igloos(p, nn, pr)
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if chunk_has_igloo then return end
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if nn ~= "mcl_core:snowblock" and nn ~= "mcl_core:snow" and minetest.get_item_group(nn, "grass_block_snow") ~= 1 then return end
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if pr:next(1, 4400) ~= 1 then return end
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local function spawn_igloo(p, nn, pr, vm_context)
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if nn ~= "mcl_core:snowblock" and nn ~= "mcl_core:snow" and minetest_get_item_group(nn, "grass_block_snow") ~= 1 then return end
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-- if pr:next(1, 4400) ~= 1 then return end
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-- Check surface
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local floor = {x=p.x+9, y=p.y-1, z=p.z+9}
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local surface = minetest_find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:snowblock")
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local surface2 = minetest_find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:dirt_with_grass_snow")
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if #surface + #surface2 < 63 then return end
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local surface = minetest_find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, {"mcl_core:snowblock", "mcl_core:dirt_with_grass_snow"})
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if #surface < 63 then return end
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mcl_structures.call_struct(p, "igloo", nil, pr)
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chunk_has_igloo = true
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-- chunk_has_igloo = true
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return true
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end
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local function spawn_fossil(p, nn, pr, vm_context)
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if chunk_has_desert_struct or p.y > 4 then return end
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-- if chunk_has_desert_temple or p.y < 4 then return end
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if p.y < 4 then return end
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if nn ~= "mcl_core:sandstone" and nn ~= "mcl_core:sand" then return end
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local fossil_prob = minecraft_chunk_probability(64, vm_context.minp, vm_context.maxp)
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if pr:next(1, fossil_prob) ~= 1 then return end
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@ -134,10 +219,12 @@ local witch_hut_offsets = {
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}
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local function spawn_witch_hut(p, nn, pr, vm_context)
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if p.y <= 1 or nn ~= "mcl_core:dirt" then return end
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minetest.log("warning", "p="..minetest.pos_to_string(p)..", nn="..nn)
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-- if p.y > 1 or minetest_get_item_group(nn, "dirt") == 0 then return end
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local minp, maxp = vm_context.minp, vm_context.maxp
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local prob = minecraft_chunk_probability(48, minp, maxp)
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if pr:next(1, prob) ~= 1 then return end
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minetest.log("warning", "prob="..tostring(prob))
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-- if pr:next(1, prob) ~= 1 then return end
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-- Where do witches live?
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if V6 then
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@ -147,13 +234,20 @@ local function spawn_witch_hut(p, nn, pr, vm_context)
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-- Other mapgens: In swampland biome
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local biomemap = vm_context.biomemap
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if not biomemap then
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vm_context.biomemap = vm_context.biomemap or minetest_get_mapgen_object('biomemap')
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vm_context.biomemap = minetest_get_mapgen_object('biomemap')
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biomemap = vm_context.biomemap
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end
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-- minetest.chat_send_all(minetest.serialize(biomemap))
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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 bi = xz_to_biomemap_index(p.x, p.z, minp, maxp)
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if biomemap[bi] ~= swampland and biomemap[bi] ~= swampland_shore then return end
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local bi = xz_to_biomemap_index(p.x, p.z, vm_context.minp, vm_context.maxp)
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if (biomemap[bi] == swampland) then
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minetest.chat_send_all('swampland')
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end
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if (biomemap[bi] == swampland_shore) then
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minetest.chat_send_all('swampland_shore')
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end
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-- if biomemap[bi] ~= swampland and biomemap[bi] ~= swampland_shore then return end
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end
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local r = tostring(pr:next(0, 3) * 90) -- "0", "90", "180" or 270"
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@ -237,7 +331,8 @@ end
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local function spawn_spikes_in_v6(p, nn, pr)
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-- In other mapgens, ice spikes are generated as decorations.
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if chunk_has_igloo or nn ~= "mcl_core:snowblock" then return end
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-- if chunk_has_igloo or nn ~= "mcl_core:snowblock" then return end
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if nn ~= "mcl_core:snowblock" then return end
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local spike = pr:next(1,58000)
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if spike < 3 then
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return spawn_ice_spike_large(p, pr)
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@ -247,31 +342,77 @@ local function spawn_spikes_in_v6(p, nn, pr)
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end
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local function generate_structures(vm_context)
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local pr = PcgRandom(vm_context.blockseed)
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perlin_structures = perlin_structures or minetest.get_perlin(329, 3, 0.6, 100)
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chunk_has_desert_struct = false
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chunk_has_igloo = false
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local levels = {
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[-9] = "black",
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[-8] = "brown",
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[-7] = "brown",
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[-6] = "gray",
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[-5] = "gray",
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[-4] = "red",
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[-3] = "orange",
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[-2] = "purple",
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[-1] = "magenta",
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[0] = "pink",
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[1] = "yellow",
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[2] = "green",
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[3] = "lime",
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[4] = "blue",
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[5] = "cyan",
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[6] = "light_blue",
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[7] = "silver",
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[8] = "silver",
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[9] = "white",
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}
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-- local pr = PcgRandom(vm_context.blockseed)
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local pr = PcgRandom(vm_context.chunkseed)
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-- chunk_has_desert_struct = false
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-- chunk_has_desert_temple = false
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-- chunk_has_igloo = false
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local minp, maxp = vm_context.minp, vm_context.maxp
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perlin_structures = perlin_structures or minetest.get_perlin(329, 3, 0.6, 100)
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-- Assume X and Z lengths are equal
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local DIVLEN = 5
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for x0 = minp.x, maxp.x, DIVLEN do for z0 = minp.z, maxp.z, DIVLEN do
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-- Determine amount from perlin noise
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local amount = math_floor(perlin_structures:get_2d({x=x0, y=z0}) * 9)
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local noise = perlin_structures:get_2d({x=x0, y=z0})
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local amount
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if noise < 0 then
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amount = math_ceil(noise * 9)
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else
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amount = math_floor(noise * 9)
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end
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-- local amount = math_floor(perlin_structures:get_2d({x=x0, y=z0}) * 9)
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local y1 = maxp.y - 9 + amount
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for x1 = x0, x0 + DIVLEN - 1, 1 do for z1 = z0, z0 + DIVLEN - 1, 1 do
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if not levels[amount] then
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minetest.log("ERROR",tostring(amount))
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else
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minetest.set_node({x=x1, y=y1, z=z1}, {name = "mcl_core:glass_"..levels[amount]})
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end
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end end
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-- Find random positions based on this random
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local p, ground_y, nn
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for i=0, amount do
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p = {x = pr:next(x0, x0 + DIVLEN - 1), y = 0, z = pr:next(z0, z0 + DIVLEN - 1)}
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for i = 0, 24 do
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--for i=0, amount do
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-- p = {x = pr:next(x0, x0 + DIVLEN - 1), y = 0, z = pr:next(z0, z0 + DIVLEN - 1)}
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p = {x = x0 + i % 5, z = z0 + math_floor(i/5)}
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p, ground_y, nn = determine_ground_level(p, vm_context)
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if ground_y then
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p.y = ground_y + 1
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local nn0 = minetest.get_node(p).name
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-- Check if the node can be replaced
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if minetest.registered_nodes[nn0] and minetest.registered_nodes[nn0].buildable_to then
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if not spawn_desert_temples_and_desert_wells(p, nn, pr, vm_context) then
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spawn_igloos(p, nn, pr, vm_context)
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end
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spawn_fossil(p, nn, pr, vm_context)
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spawn_witch_hut(p, nn, pr, vm_context)
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--spawn_desert_temple(p, nn, pr, vm_context)
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--spawn_desert_well(p, nn, pr, vm_context)
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--spawn_igloo(p, nn, pr, vm_context)
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--spawn_fossil(p, nn, pr, vm_context)
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--spawn_witch_hut(p, nn, pr, vm_context)
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if V6 then
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spawn_spikes_in_v6(p, nn, pr, vm_context)
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end
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@ -301,15 +442,18 @@ local function generate_end_structures(vm_context)
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end
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if not mcl_mapgen.singlenode then
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mcl_mapgen.register_on_generated(function(vm_context)
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local minp, maxp = vm_context.minp, vm_context.maxp
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mcl_mapgen.register_mapgen(function(minp, maxp, seed, vm_context)
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-- mcl_mapgen.register_on_generated(function(vm_context)
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-- local minp, maxp = vm_context.minp, vm_context.maxp
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local minp, maxp = minp, maxp
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local minp_y, maxp_y = minp.y, maxp.y
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if maxp_y >= OVERWORLD_STRUCT_MIN and minp_y <= OVERWORLD_STRUCT_MAX then
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return generate_structures(vm_context)
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generate_structures(vm_context)
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-- if maxp_y >= OVERWORLD_STRUCT_MIN and minp_y <= OVERWORLD_STRUCT_MAX then
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-- return generate_structures(vm_context)
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-- End exit portal
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elseif maxp_y >= END_STRUCT_MIN and minp_y <= END_STRUCT_MAX then
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return generate_end_structures(vm_context)
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end
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return vm_context
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-- elseif maxp_y >= END_STRUCT_MIN and minp_y <= END_STRUCT_MAX then
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-- return generate_end_structures(vm_context)
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-- end
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-- return vm_context
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end)
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end
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