416 lines
18 KiB
Lua
416 lines
18 KiB
Lua
--[[
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Everness. Never ending discovery in Everness mapgen.
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Copyright (C) 2024 SaKeL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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--]]
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-- Get the content IDs for the nodes used.
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local c_dirt_with_grass_1 = minetest.get_content_id('everness:dirt_with_grass_1')
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local c_dirt_with_rainforest_litter = minetest.get_content_id('default:dirt_with_rainforest_litter')
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local c_dirt_with_cursed_grass = minetest.get_content_id('everness:dirt_with_cursed_grass')
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local c_dirt_with_crystal_grass = minetest.get_content_id('everness:dirt_with_crystal_grass')
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local c_crystal_sand = minetest.get_content_id('everness:crystal_sand')
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local c_dry_ocean_dirt = minetest.get_content_id('everness:dry_ocean_dirt')
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local c_dirt_with_snow = minetest.get_content_id('default:dirt_with_snow')
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local c_dirt_with_coniferous_litter = minetest.get_content_id('default:dirt_with_coniferous_litter')
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local c_forsaken_desert_sand = minetest.get_content_id('everness:forsaken_desert_sand')
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local c_forsaken_desert_chiseled_stone = minetest.get_content_id('everness:forsaken_desert_chiseled_stone')
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local c_forsaken_desert_brick = minetest.get_content_id('everness:forsaken_desert_brick')
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local c_forsaken_desert_engraved_stone = minetest.get_content_id('everness:forsaken_desert_engraved_stone')
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local c_frosted_snowblock = minetest.get_content_id('everness:frosted_snowblock')
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local c_frosted_ice = minetest.get_content_id('everness:frosted_ice')
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local c_everness_mineral_water_source = minetest.get_content_id('everness:mineral_water_source')
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local c_everness_mineral_sand = minetest.get_content_id('everness:mineral_sand')
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-- Localize data buffer table outside the loop, to be re-used for all
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-- mapchunks, therefore minimising memory use.
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local data = {}
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local chance = 15
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local disp = 16
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local water_level = tonumber(minetest.settings:get('water_level'))
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minetest.register_on_generated(function(minp, maxp, blockseed)
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local rand = PcgRandom(blockseed)
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-- Load the voxelmanip with the result of engine mapgen
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local vm, emin, emax = minetest.get_mapgen_object('voxelmanip')
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-- 'area' is used later to get the voxelmanip indexes for positions
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local area = VoxelArea:new({ MinEdge = emin, MaxEdge = emax })
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-- Get the content ID data from the voxelmanip in the form of a flat array.
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-- Set the buffer parameter to use and reuse 'data' for this.
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vm:get_data(data)
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-- Side length of mapchunk
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local sidelength = maxp.x - minp.x + 1
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local x_disp = rand:next(0, disp)
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local z_disp = rand:next(0, disp)
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if maxp.y >= water_level then
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-- Above sea level
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for y = minp.y, maxp.y do
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local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp)
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if data[vi + area.ystride] == minetest.CONTENT_AIR
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and (
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data[vi] == c_dirt_with_grass_1
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or data[vi] == c_dirt_with_rainforest_litter
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or data[vi] == c_dirt_with_cursed_grass
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or data[vi] == c_dirt_with_crystal_grass
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or data[vi] == c_crystal_sand
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or data[vi] == c_forsaken_desert_sand
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or data[vi] == c_dry_ocean_dirt
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or data[vi] == c_dirt_with_snow
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or data[vi] == c_dirt_with_coniferous_litter
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or data[vi] == c_frosted_snowblock
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or data[vi] == c_frosted_ice
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or data[vi] == c_everness_mineral_water_source
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or data[vi] == c_everness_mineral_sand
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)
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then
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local s_pos = area:position(vi)
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local biome_data = minetest.get_biome_data(s_pos)
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if not biome_data then
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return
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end
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local biome_name = minetest.get_biome_name(biome_data.biome)
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if not biome_name then
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return
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end
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if biome_name == 'everness:bamboo_forest' and rand:next(0, 100) < chance then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_japanese_shrine.mts'
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--
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-- Japanese Shrine
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--
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local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Japanese Shrine was placed at ' .. schem_pos:to_string())
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elseif biome_name == 'rainforest' and rand:next(0, 100) < chance then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_jungle_temple.mts'
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--
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-- Jungle Temple
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y - 3, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Jungle Temple was placed at ' .. schem_pos:to_string())
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elseif biome_name == 'everness:cursed_lands' and rand:next(0, 100) < chance then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_haunted_house.mts'
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--
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-- Haunted House
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y - 1, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Haunted House was placed at ' .. schem_pos:to_string())
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elseif biome_name == 'everness:crystal_forest' and rand:next(0, 100) < chance then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_quartz_temple.mts'
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--
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-- Quartz Temple
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Quartz Temple was placed at ' .. schem_pos:to_string())
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elseif (biome_name == 'everness:forsaken_desert' or biome_name == 'everness:forsaken_desert_ocean')
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and rand:next(0, 100) < chance
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple.mts'
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--
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-- Forsaken Desert Temple
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Forsaken Desert Temple was placed at ' .. schem_pos:to_string())
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elseif (biome_name == 'coniferous_forest' or biome_name == 'taiga' or biome_name == 'MegaSpruceTaiga')
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and rand:next(0, 100) < 100
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_giant_sequoia_tree.mts'
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--
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-- Giant Sequoia
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
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minetest.emerge_area(
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vector.new(s_pos.x - 12, s_pos.y, s_pos.z - 12),
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vector.new(s_pos.x + 12, s_pos.y + 75, s_pos.z + 12),
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function(blockpos, action, calls_remaining, param)
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Everness:emerge_area(blockpos, action, calls_remaining, param)
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end,
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{
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callback = function()
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local positions = minetest.find_nodes_in_area_under_air(
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vector.new(s_pos.x - 6, s_pos.y - 1, s_pos.z - 6),
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vector.new(s_pos.x + 6, s_pos.y + 1, s_pos.z + 6),
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{
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'default:dirt_with_snow',
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'default:dirt_with_coniferous_litter',
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'default:snow'
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})
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if #positions < 137 then
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-- not enough space
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return
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end
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minetest.place_schematic(
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Giant Sequoia was placed at ' .. schem_pos:to_string())
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end
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}
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)
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elseif (biome_name == 'everness:frosted_icesheet' or biome_name == 'everness:frosted_icesheet_ocean')
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and rand:next(0, 100) < chance
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_frosted_icesheet_igloo.mts'
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--
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-- Igloo
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y - 8, s_pos.z)
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Igloo was placed at ' .. schem_pos:to_string())
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elseif biome_name == 'everness:mineral_waters'
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and rand:next(0, 100) < chance
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_mineral_waters_tower.mts'
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--
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-- Mineral Waters Tower
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--
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local size = { x = 7, y = 16, z = 9 }
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local size_x = math.round(size.x / 2)
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local size_z = math.round(size.z / 2)
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-- add Y displacement
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local schem_pos = vector.new(s_pos)
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-- find floor big enough
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local positions = minetest.find_nodes_in_area_under_air(
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vector.new(s_pos.x - size_x, s_pos.y - 1, s_pos.z - size_z),
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vector.new(s_pos.x + size_x, s_pos.y + 1, s_pos.z + size_z),
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{
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'everness:mineral_sand',
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'everness:mineral_water_source'
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})
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if #positions < size.x * size.z then
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-- not enough space
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return
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end
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-- enough air to place structure ?
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local air_positions = minetest.find_nodes_in_area(
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vector.new(s_pos.x - size_x, s_pos.y, s_pos.z - size_z),
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vector.new(s_pos.x + size_x, s_pos.y + size.y, s_pos.z + size_z),
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'air', true)
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if air_positions.air and #air_positions.air > (size.x * size.y * size.z) / 2 then
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Mineral Waters Tower was placed at ' .. schem_pos:to_string())
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end
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end
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end
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end
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vm:write_to_map(true)
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minetest.fix_light(minp, maxp)
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else
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-- Under sea level
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for y = minp.y, maxp.y do
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local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp)
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if data[vi + area.ystride] == minetest.CONTENT_AIR
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and (
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data[vi] == c_dirt_with_grass_1
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or data[vi] == c_forsaken_desert_sand
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or data[vi] == c_forsaken_desert_chiseled_stone
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or data[vi] == c_forsaken_desert_brick
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or data[vi] == c_forsaken_desert_engraved_stone
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)
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then
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local s_pos = area:position(vi)
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local biome_data = minetest.get_biome_data(s_pos)
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if not biome_data then
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return
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end
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local biome_name = minetest.get_biome_name(biome_data.biome)
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if not biome_name then
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return
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end
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if biome_name == 'everness:forsaken_desert_under' and rand:next(0, 100) < chance then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple_2.mts'
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--
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-- Forsaken Desert Temple 2
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--
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-- add Y displacement
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local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
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-- find floor big enough
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local positions = minetest.find_nodes_in_area_under_air(
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vector.new(s_pos.x - 7, s_pos.y - 1, s_pos.z - 7),
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vector.new(s_pos.x + 7, s_pos.y + 1, s_pos.z + 7),
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{
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'everness:forsaken_desert_sand',
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'everness:forsaken_desert_chiseled_stone',
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'everness:forsaken_desert_brick',
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'everness:forsaken_desert_engraved_stone',
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'default:stone',
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'default:sand',
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'default:gravel',
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'default:stone_with_coal',
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'default:stone_with_iron',
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'default:stone_with_tin',
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'default:stone_with_gold',
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'default:stone_with_mese',
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'default:stone_with_diamond',
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'everness:cave_barrel_cactus',
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'everness:venus_trap',
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'everness:illumi_root',
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})
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if #positions < 49 then
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-- not enough space
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return
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end
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-- enough air to place structure ?
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local air_positions = minetest.find_nodes_in_area(
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vector.new(s_pos.x - 7, s_pos.y, s_pos.z - 7),
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vector.new(s_pos.x + 7, s_pos.y + 17, s_pos.z + 7),
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'air', true)
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if air_positions.air and #air_positions.air > (16 * 15 * 16) / 2 then
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minetest.place_schematic_on_vmanip(
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vm,
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schem_pos,
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schem,
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'random',
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nil,
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true,
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'place_center_x, place_center_z'
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)
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minetest.log('action', '[Everness] Forsaken Desert Temple 2 was placed at ' .. schem_pos:to_string())
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end
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end
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end
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end
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vm:write_to_map(true)
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minetest.fix_light(minp, maxp)
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end
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end)
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