--[[ Everness. Never ending discovery in Everness mapgen. Copyright (C) 2023 SaKeL This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to juraj.vajda@gmail.com --]] -- Get the content IDs for the nodes used. local c_air = minetest.get_content_id('air') local c_dirt_with_grass_1 = minetest.get_content_id('everness:dirt_with_grass_1') local c_dirt_with_rainforest_litter = minetest.get_content_id('default:dirt_with_rainforest_litter') local c_dirt_with_cursed_grass = minetest.get_content_id('everness:dirt_with_cursed_grass') local c_dirt_with_crystal_grass = minetest.get_content_id('everness:dirt_with_crystal_grass') local c_crystal_sand = minetest.get_content_id('everness:crystal_sand') local c_dry_ocean_dirt = minetest.get_content_id('everness:dry_ocean_dirt') local c_dirt_with_snow = minetest.get_content_id('default:dirt_with_snow') local c_dirt_with_coniferous_litter = minetest.get_content_id('default:dirt_with_coniferous_litter') local c_forsaken_desert_sand = minetest.get_content_id('everness:forsaken_desert_sand') local c_forsaken_desert_chiseled_stone = minetest.get_content_id('everness:forsaken_desert_chiseled_stone') local c_forsaken_desert_brick = minetest.get_content_id('everness:forsaken_desert_brick') local c_forsaken_desert_engraved_stone = minetest.get_content_id('everness:forsaken_desert_engraved_stone') local c_frosted_snowblock = minetest.get_content_id('everness:frosted_snowblock') local c_frosted_ice = minetest.get_content_id('everness:frosted_ice') -- Localize data buffer table outside the loop, to be re-used for all -- mapchunks, therefore minimising memory use. local data = {} local chance = 15 local disp = 16 minetest.register_on_generated(function(minp, maxp, blockseed) local rand = PcgRandom(blockseed) local vm, emin, emax = minetest.get_mapgen_object('voxelmanip') local area = VoxelArea:new({ MinEdge = emin, MaxEdge = emax }) -- Get the content ID data from the voxelmanip in the form of a flat array. -- Set the buffer parameter to use and reuse 'data' for this. vm:get_data(data) local sidelength = maxp.x - minp.x + 1 local x_disp = rand:next(0, disp) local z_disp = rand:next(0, disp) if maxp.y > 0 then for y = minp.y, maxp.y do local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp) if data[vi + area.ystride] == c_air and ( data[vi] == c_dirt_with_grass_1 or data[vi] == c_dirt_with_rainforest_litter or data[vi] == c_dirt_with_cursed_grass or data[vi] == c_dirt_with_crystal_grass or data[vi] == c_crystal_sand or data[vi] == c_forsaken_desert_sand or data[vi] == c_dry_ocean_dirt or data[vi] == c_dirt_with_snow or data[vi] == c_dirt_with_coniferous_litter or data[vi] == c_frosted_snowblock or data[vi] == c_frosted_ice ) then local s_pos = area:position(vi) local biome_data = minetest.get_biome_data(s_pos) if not biome_data then return end local biome_name = minetest.get_biome_name(biome_data.biome) if not biome_name then return end if biome_name == 'everness_bamboo_forest' and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_japanese_shrine.mts' -- -- Japanese Shrine -- local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Japanese Shrine was placed at ' .. schem_pos:to_string()) elseif biome_name == 'rainforest' and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_jungle_temple.mts' -- -- Jungle Temple -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y - 3, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Jungle Temple was placed at ' .. schem_pos:to_string()) elseif biome_name == 'everness_cursed_lands' and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_haunted_house.mts' -- -- Haunted House -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y - 1, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Haunted House was placed at ' .. schem_pos:to_string()) elseif biome_name == 'everness_crystal_forest' and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_quartz_temple.mts' -- -- Quartz Temple -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Quartz Temple was placed at ' .. schem_pos:to_string()) elseif (biome_name == 'everness_forsaken_desert' or biome_name == 'everness_forsaken_desert_ocean') and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple.mts' -- -- Forsaken Desert Temple -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Forsaken Desert Temple was placed at ' .. schem_pos:to_string()) elseif (biome_name == 'coniferous_forest' or biome_name == 'taiga') and rand:next(0, 100) < 100 then local schem = minetest.get_modpath('everness') .. '/schematics/everness_giant_sequoia_tree.mts' -- -- Giant Sequoia -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z) minetest.emerge_area( vector.new(s_pos.x - 12, s_pos.y, s_pos.z - 12), vector.new(s_pos.x + 12, s_pos.y + 75, s_pos.z + 12), function(blockpos, action, calls_remaining, param) Everness:emerge_area(blockpos, action, calls_remaining, param) end, { callback = function() local positions = minetest.find_nodes_in_area_under_air( vector.new(s_pos.x - 6, s_pos.y - 1, s_pos.z - 6), vector.new(s_pos.x + 6, s_pos.y + 1, s_pos.z + 6), { 'default:dirt_with_snow', 'default:dirt_with_coniferous_litter', 'default:snow' }) if #positions < 137 then -- not enough space return end minetest.place_schematic( schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Giant Sequoia was placed at ' .. schem_pos:to_string()) end } ) elseif (biome_name == 'everness_frosted_icesheet' or biome_name == 'everness_frosted_icesheet_ocean') and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_frosted_icesheet_igloo.mts' -- -- Igloo -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y - 8, s_pos.z) minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Igloo was placed at ' .. schem_pos:to_string()) end end end vm:write_to_map(true) minetest.fix_light(minp, maxp) else -- Under for y = minp.y, maxp.y do local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp) if data[vi + area.ystride] == c_air and ( data[vi] == c_dirt_with_grass_1 or data[vi] == c_forsaken_desert_sand or data[vi] == c_forsaken_desert_chiseled_stone or data[vi] == c_forsaken_desert_brick or data[vi] == c_forsaken_desert_engraved_stone ) then local s_pos = area:position(vi) local biome_data = minetest.get_biome_data(s_pos) if not biome_data then return end local biome_name = minetest.get_biome_name(biome_data.biome) if not biome_name then return end if biome_name == 'everness_forsaken_desert_under' and rand:next(0, 100) < chance then local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple_2.mts' -- -- Forsaken Desert Temple 2 -- -- add Y displacement local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z) -- find floor big enough local positions = minetest.find_nodes_in_area_under_air( vector.new(s_pos.x - 7, s_pos.y - 1, s_pos.z - 7), vector.new(s_pos.x + 7, s_pos.y + 1, s_pos.z + 7), { 'everness:forsaken_desert_sand', 'everness:forsaken_desert_chiseled_stone', 'everness:forsaken_desert_brick', 'everness:forsaken_desert_engraved_stone', 'default:stone', 'default:sand', 'default:gravel', 'default:stone_with_coal', 'default:stone_with_iron', 'default:stone_with_tin', 'default:stone_with_gold', 'default:stone_with_mese', 'default:stone_with_diamond', 'everness:cave_barrel_cactus', 'everness:venus_trap', 'everness:illumi_root', }) if #positions < 49 then -- not enough space return end -- enough air to place structure ? local air_positions = minetest.find_nodes_in_area( vector.new(s_pos.x - 7, s_pos.y, s_pos.z - 7), vector.new(s_pos.x + 7, s_pos.y + 17, s_pos.z + 7), 'air', true) if air_positions.air and #air_positions.air > (16 * 15 * 16) / 2 then minetest.place_schematic_on_vmanip( vm, schem_pos, schem, 'random', nil, true, 'place_center_x, place_center_z' ) minetest.log('action', '[Everness] Forsaken Desert Temple 2 was placed at ' .. schem_pos:to_string()) end end end end vm:write_to_map(true) minetest.fix_light(minp, maxp) end end)