-- mods/default/mapgen.lua -- -- Aliases for map generator outputs -- minetest.register_alias("mapgen_air", "air") minetest.register_alias("mapgen_stone", "default:stone") minetest.register_alias("mapgen_tree", "default:tree") minetest.register_alias("mapgen_leaves", "default:leaves") minetest.register_alias("mapgen_jungletree", "default:jungletree") minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves") minetest.register_alias("mapgen_apple", "default:leaves") minetest.register_alias("mapgen_water_source", "default:water_source") minetest.register_alias("mapgen_dirt", "default:dirt") minetest.register_alias("mapgen_sand", "default:sand") minetest.register_alias("mapgen_gravel", "default:gravel") minetest.register_alias("mapgen_clay", "default:clay") minetest.register_alias("mapgen_lava_source", "default:lava_source") minetest.register_alias("mapgen_cobble", "default:cobble") minetest.register_alias("mapgen_mossycobble", "default:mossycobble") minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass") minetest.register_alias("mapgen_junglegrass", "default:junglegrass") minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal") minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron") minetest.register_alias("mapgen_desert_sand", "default:sand") minetest.register_alias("mapgen_desert_stone", "default:sandstone") minetest.register_alias("mapgen_river_water_source", "default:water_source") -- -- Ore generation -- -- Gravel minetest.register_ore({ ore_type = "blob", ore = "default:gravel", wherein = {"default:stone"}, clust_scarcity = 14*14*14, clust_num_ores = 33, clust_size = 5, height_min = -90, height_max = 90, }) -- -- Coal -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_coal", wherein = "default:stone", clust_scarcity = 500, clust_num_ores = 5, clust_size = 3, height_min = 13, height_max = 31000, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_coal", wherein = "default:stone", clust_scarcity = 500, clust_num_ores = 8, clust_size = 3, height_min = 12, height_max = -12, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_coal", wherein = "default:stone", clust_scarcity = 1000, clust_num_ores = 6, clust_size = 3, height_min = -11, height_max = 64, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_coal", wherein = "default:stone", clust_scarcity = 5000, clust_num_ores = 4, clust_size = 2, height_min = 65, height_max = 67, }) -- -- Iron -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_iron", wherein = "default:stone", clust_scarcity = 830, clust_num_ores = 5, clust_size = 3, height_min = -127, height_max = -10, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_iron", wherein = "default:stone", clust_scarcity = 1660, clust_num_ores = 3, clust_size = 2, height_min = -9, height_max = 1, }) -- -- Gold -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_gold", wherein = "default:stone", clust_scarcity = 5000, clust_num_ores = 5, clust_size = 3, height_min = -59, height_max = -35, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_gold", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 3, clust_size = 2, height_min = -35, height_max = -33, }) -- -- Diamond -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_diamond", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 4, clust_size = 3, height_min = -59, height_max = -48, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_diamond", wherein = "default:stone", clust_scarcity = 5000, clust_num_ores = 2, clust_size = 2, height_min = -59, height_max = -48, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_diamond", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 8, clust_size = 3, height_min = -55, height_max = -52, }) -- -- Redstone -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_redstone", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 5, clust_size = 3, height_min = -59, height_max = -48, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_redstone", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 10, clust_size = 4, height_min = -59, height_max = -48, }) -- -- Emerald -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_emerald", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 1, clust_size = 2, height_min = -59, height_max = -35, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_emerald", wherein = "default:stone", clust_scarcity = 50000, clust_num_ores = 3, clust_size = 2, height_min = -59, height_max = -35, }) -- -- Lapis Lazuli -- minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_lapis", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 7, clust_size = 4, height_min = -50, height_max = -46, }) minetest.register_ore({ ore_type = "scatter", ore = "default:stone_with_lapis", wherein = "default:stone", clust_scarcity = 10000, clust_num_ores = 5, clust_size = 4, height_min = -59, height_max = -50, }) -- -- Glowstone -- minetest.register_ore({ ore_type = "scatter", ore = "default:glowstone", wherein = "default:stone", clust_scarcity = 50000, clust_num_ores = 10, clust_size = 5, height_min = -59, height_max = -0, }) function default.generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, chunk_size, ore_per_chunk, height_min, height_max) minetest.log('action', "WARNING: default.generate_ore is deprecated") if maxp.y < height_min or minp.y > height_max then return end local y_min = math.max(minp.y, height_min) local y_max = math.min(maxp.y, height_max) if chunk_size >= y_max - y_min + 1 then return end local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1) local pr = PseudoRandom(seed) local num_chunks = math.floor(chunks_per_volume * volume) local inverse_chance = math.floor(chunk_size*chunk_size*chunk_size / ore_per_chunk) --print("generate_ore num_chunks: "..dump(num_chunks)) for i=1,num_chunks do local y0 = pr:next(y_min, y_max-chunk_size+1) if y0 >= height_min and y0 <= height_max then local x0 = pr:next(minp.x, maxp.x-chunk_size+1) local z0 = pr:next(minp.z, maxp.z-chunk_size+1) local p0 = {x=x0, y=y0, z=z0} for x1=0,chunk_size-1 do for y1=0,chunk_size-1 do for z1=0,chunk_size-1 do if pr:next(1,inverse_chance) == 1 then local x2 = x0+x1 local y2 = y0+y1 local z2 = z0+z1 local p2 = {x=x2, y=y2, z=z2} if minetest.get_node(p2).name == wherein then minetest.set_node(p2, {name=name}) end end end end end end end --print("generate_ore done") end function default.make_reeds(pos, size) for y=0,size-1 do local p = {x=pos.x, y=pos.y+y, z=pos.z} local nn = minetest.get_node(p).name if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].buildable_to then minetest.set_node(p, {name="default:reeds"}) else return end end end function default.make_cactus(pos, size) for y=0,size-1 do local p = {x=pos.x, y=pos.y+y, z=pos.z} local nn = minetest.get_node(p).name if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].buildable_to then minetest.set_node(p, {name="default:cactus"}) else return end end end minetest.register_on_generated(function(minp, maxp, seed) if maxp.y >= 2 and minp.y <= 0 then -- Generate clay -- Assume X and Z lengths are equal local divlen = 4 local divs = (maxp.x-minp.x)/divlen+1; for divx=0+1,divs-1-1 do for divz=0+1,divs-1-1 do local cx = minp.x + math.floor((divx+0.5)*divlen) local cz = minp.z + math.floor((divz+0.5)*divlen) if minetest.get_node({x=cx,y=1,z=cz}).name == "default:water_source" and minetest.get_node({x=cx,y=0,z=cz}).name == "default:sand" then local is_shallow = true local num_water_around = 0 if minetest.get_node({x=cx-divlen*2,y=1,z=cz+0}).name == "default:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+divlen*2,y=1,z=cz+0}).name == "default:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+0,y=1,z=cz-divlen*2}).name == "default:water_source" then num_water_around = num_water_around + 1 end if minetest.get_node({x=cx+0,y=1,z=cz+divlen*2}).name == "default:water_source" then num_water_around = num_water_around + 1 end if num_water_around >= 2 then is_shallow = false end if is_shallow then for x1=-divlen,divlen do for z1=-divlen,divlen do if minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sand" or minetest.get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sandstone" then minetest.set_node({x=cx+x1,y=0,z=cz+z1}, {name="default:clay"}) end end end end end end end -- Generate reeds local perlin1 = minetest.get_perlin(354, 3, 0.7, 100) -- Assume X and Z lengths are equal local divlen = 8 local divs = (maxp.x-minp.x)/divlen+1; for divx=0,divs-1 do for divz=0,divs-1 do local x0 = minp.x + math.floor((divx+0)*divlen) local z0 = minp.z + math.floor((divz+0)*divlen) local x1 = minp.x + math.floor((divx+1)*divlen) local z1 = minp.z + math.floor((divz+1)*divlen) -- Determine reeds amount from perlin noise local reeds_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 45 - 20) -- Find random positions for reeds based on this random local pr = PseudoRandom(seed+1) for i=0,reeds_amount do local x = pr:next(x0, x1) local z = pr:next(z0, z1) if minetest.get_node({x=x,y=1,z=z}).name == "default:dirt_with_grass" and minetest.find_node_near({x=x,y=1,z=z}, 1, "default:water_source") then default.make_reeds({x=x,y=2,z=z}, pr:next(2, 4)) end local p = {x=x,y=1,z=z} if minetest.get_node(p).name == "default:sand" then if math.random(0,1000) == 1 then -- 0,12000 random_struct.call_struct(p,2) end end end end end -- Generate cactuses local perlin1 = minetest.get_perlin(230, 3, 0.6, 100) -- Assume X and Z lengths are equal local divlen = 16 local divs = (maxp.x-minp.x)/divlen+1; for divx=0,divs-1 do for divz=0,divs-1 do local x0 = minp.x + math.floor((divx+0)*divlen) local z0 = minp.z + math.floor((divz+0)*divlen) local x1 = minp.x + math.floor((divx+1)*divlen) local z1 = minp.z + math.floor((divz+1)*divlen) -- Determine cactus amount from perlin noise local cactus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 6 - 3) -- Find random positions for cactus based on this random local pr = PseudoRandom(seed+1) for i=0,cactus_amount do local x = pr:next(x0, x1) local z = pr:next(z0, z1) -- Find ground level (0...15) local ground_y = nil for y=30,0,-1 do if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then ground_y = y break end end -- If desert sand, make cactus if ground_y and minetest.get_node({x=x,y=ground_y,z=z}).name == "default:desert_sand" then default.make_cactus({x=x,y=ground_y+1,z=z}, pr:next(3, 4)) end end end end -- Generate grass local perlin1 = minetest.get_perlin(329, 3, 0.6, 100) -- Assume X and Z lengths are equal local divlen = 5 local divs = (maxp.x-minp.x)/divlen+1; for divx=0,divs-1 do for divz=0,divs-1 do local x0 = minp.x + math.floor((divx+0)*divlen) local z0 = minp.z + math.floor((divz+0)*divlen) local x1 = minp.x + math.floor((divx+1)*divlen) local z1 = minp.z + math.floor((divz+1)*divlen) -- Determine grass amount from perlin noise local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 9) -- Find random positions for grass based on this random local pr = PseudoRandom(seed+1) for i=0,grass_amount do local x = pr:next(x0, x1) local z = pr:next(z0, z1) -- Find ground level (0...15) local ground_y = nil for y=30,0,-1 do if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then ground_y = y break end end if ground_y then local p = {x=x,y=ground_y+1,z=z} local nn = minetest.get_node(p).name -- Check if the node can be replaced if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].buildable_to then nn = minetest.get_node({x=x,y=ground_y,z=z}).name -- If desert sand, add dry shrub if nn == "default:desert_sand" then minetest.set_node(p,{name="default:dry_shrub"}) -- If dirt with grass, add grass elseif nn == "default:dirt_with_grass" then minetest.set_node(p,{name="default:grass"}) if math.random(0,12000) == 1 then random_struct.call_struct(p,1) end end end end end end end end -- Generate nyan cats --generate_nyancats(seed, minp, maxp) end) local function replace(old, new, min, max) minetest.register_ore({ ore_type = "scatter", ore = new, wherein = old, clust_scarcity = 1, clust_num_ores = 1, clust_size = 1, height_min = min, height_max = max, }) end replace("air", "default:bedrock", -90, -80) replace("air", "default:lava_source", -80, -70) replace("default:stone", "default:bedrock", -90, -80) replace("default:gravel", "default:bedrock", -90, -80) replace("default:dirt", "default:bedrock", -90, -80) replace("default:sand", "default:bedrock", -90, -80) replace("default:cobble", "default:bedrock", -90, -80) replace("default:mossycobble", "default:bedrock", -90, -80) replace("stairs:stair_cobble", "default:bedrock", -90, -80) replace("default:lava_source", "default:bedrock", -90, -80) replace("default:lava_flowing", "default:bedrock", -90, -80) replace("default:water_source", "default:bedrock", -90, -80) replace("default:water_flowing", "default:bedrock", -90, -80) local function bedrock(old) minetest.register_ore({ ore_type = "scatter", ore = "default:bedrock", wherein = old, clust_scarcity = 5, clust_num_ores = 3, clust_size = 2, height_min = -64, height_max = -60, }) end bedrock("air") bedrock("default:stone") bedrock("default:gravel") bedrock("default:dirt") bedrock("default:sand") bedrock("default:cobble") bedrock("default:mossycobble") bedrock("stairs:stair_cobble") bedrock("default:lava_source") bedrock("default:lava_flowing") bedrock("default:water_source") bedrock("default:water_flowing")