618 lines
28 KiB
Lua
618 lines
28 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_water_source = minetest.get_content_id('mapgen_water_source')
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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_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_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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-- Biome IDs
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local biome_id_everness_cursed_lands_dunes = minetest.get_biome_id('everness:cursed_lands_dunes')
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local biome_id_everness_cursed_lands_swamp = minetest.get_biome_id('everness:cursed_lands_swamp')
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local biome_id_everness_cursed_lands_ocean = minetest.get_biome_id('everness:cursed_lands_ocean')
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local biome_id_everness_crystal_forest_dunes = minetest.get_biome_id('everness:crystal_forest_dunes')
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local biome_id_everness_crystal_forest_shore = minetest.get_biome_id('everness:crystal_forest_shore')
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local biome_id_everness_crystal_forest_ocean = minetest.get_biome_id('everness:crystal_forest_ocean')
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local water_level = tonumber(minetest.settings:get('water_level')) or 1
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-- MTG
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local chance = 20
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local chance_sea_level = 10
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local disp = 16
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local schem_jungle_temple = minetest.get_modpath('everness') .. '/schematics/everness_jungle_temple.mts'
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local size_jungle_temple = { x = 12, y = 14, z = 15 }
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local size_jungle_temple_x = math.round(size_jungle_temple.x / 2)
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local size_jungle_temple_z = math.round(size_jungle_temple.z / 2)
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local y_dis_jungle_temple = 3
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local biome_id_rainforest = minetest.get_biome_id('rainforest')
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local biome_id_rainforest_swamp = minetest.get_biome_id('rainforest_swamp')
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Everness:add_to_queue_on_generated({
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name = 'default:rainforest_and_rainforest_swamp',
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can_run = function(biomemap)
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return table.indexof(biomemap, biome_id_rainforest) ~= -1
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or table.indexof(biomemap, biome_id_rainforest_swamp) ~= -1
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end,
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after_set_data = function(minp, maxp, vm, area, data, p2data, gennotify, rand, shared_args)
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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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shared_args.schem_positions = {}
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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 data[vi] == c_dirt_with_rainforest_litter
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and rand:next(0, 100) < chance
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then
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local s_pos = area:position(vi)
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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 - y_dis_jungle_temple, 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 - size_jungle_temple_x, s_pos.y - 1, s_pos.z - size_jungle_temple_z),
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vector.new(s_pos.x + size_jungle_temple_x, s_pos.y + 1, s_pos.z + size_jungle_temple_z),
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{
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'default:dirt_with_rainforest_litter'
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}
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)
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-- Can force over these blocks
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local force_positions = minetest.find_nodes_in_area(
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vector.new(s_pos.x - size_jungle_temple_x, s_pos.y - 1, s_pos.z - size_jungle_temple_z),
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vector.new(s_pos.x + size_jungle_temple_x, s_pos.y + 1, s_pos.z + size_jungle_temple_z),
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{
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'group:tree',
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'group:flower',
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'group:flora',
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'group:leaves',
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'fireflies:firefly',
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'fireflies:hidden_firefly',
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}
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)
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if #positions + #force_positions < size_jungle_temple.x * size_jungle_temple.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_jungle_temple_x, s_pos.y, s_pos.z - size_jungle_temple_z),
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vector.new(s_pos.x + size_jungle_temple_x, s_pos.y + size_jungle_temple.y, s_pos.z + size_jungle_temple_z),
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{
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'air',
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'group:tree',
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'group:flora',
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'group:leaves'
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}
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)
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if #air_positions > (size_jungle_temple.x * size_jungle_temple.y * size_jungle_temple.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_jungle_temple,
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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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shared_args.schem_positions.everness_jungle_temple = shared_args.schem_positions.everness_jungle_temple or {}
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table.insert(shared_args.schem_positions.everness_jungle_temple, {
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pos = schem_pos,
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minp = vector.new(s_pos.x - size_jungle_temple_x, s_pos.y - y_dis_jungle_temple, s_pos.z - size_jungle_temple_z),
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maxp = vector.new(s_pos.x + size_jungle_temple_x, s_pos.y - y_dis_jungle_temple + size_jungle_temple.y, s_pos.z + size_jungle_temple_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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end
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end
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end
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end,
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after_write_to_map = function(shared_args)
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local schem_positions = shared_args.schem_positions or {}
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for name, tbl in pairs(schem_positions) do
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if next(tbl) then
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for i, v in ipairs(tbl) do
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local chest_positions = minetest.find_nodes_in_area(
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v.minp,
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v.maxp,
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{ 'everness:chest' }
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)
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if #chest_positions > 0 then
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Everness:populate_loot_chests(chest_positions)
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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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})
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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 p2data = {}
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minetest.register_on_generated(function(minp, maxp, blockseed)
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local rand = PcgRandom(blockseed)
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local biomemap = minetest.get_mapgen_object('biomemap')
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local gennotify = minetest.get_mapgen_object('gennotify')
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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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vm:get_param2_data(p2data)
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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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local schem_positions = {}
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local shared_args = {}
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-- on_data
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-- read/write to `data` what will be eventually saved (set_data)
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-- used for voxelmanip `data` manipulation
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for _, def in ipairs(Everness.on_generated_queue) do
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if def.can_run(biomemap) and def.on_data then
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shared_args[def.name] = shared_args[def.name] or {}
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-- print('--- on_data', def.name, minp:to_string(), maxp:to_string())
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def.on_data(minp, maxp, area, data, p2data, gennotify, rand, shared_args[def.name])
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-- print('shared_args', dump(shared_args))
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end
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end
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-- set data after they have been manipulated (above)
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vm:set_data(data)
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vm:set_param2_data(p2data)
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-- after_set_data
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-- can read (but cant and should not manipulate) voxelmanip `data`
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-- used for `place_schematic_on_vmanip` which will invalidate `data` therefore we are doing it after we set the data
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for _, def in ipairs(Everness.on_generated_queue) do
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if def.can_run(biomemap) and def.after_set_data then
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shared_args[def.name] = shared_args[def.name] or {}
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-- print('after_set_data', def.name, minp:to_string(), maxp:to_string())
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def.after_set_data(minp, maxp, vm, area, data, p2data, gennotify, rand, shared_args[def.name])
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end
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end
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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 then
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local s_pos = area:position(vi)
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if maxp.y >= water_level then
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-- Above sea level or at water level
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if
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(
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data[vi] == c_dirt_with_snow
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or data[vi] == c_dirt_with_coniferous_litter
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)
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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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local size = { x = 25, y = 75, z = 25 }
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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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local schem_pos = vector.new(s_pos)
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minetest.emerge_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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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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-- 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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'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 < 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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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
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(
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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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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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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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)
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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' }
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)
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if #air_positions > (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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schem_positions.everness_mineral_waters_tower = schem_positions.everness_mineral_waters_tower or {}
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table.insert(schem_positions.everness_mineral_waters_tower, {
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pos = schem_pos,
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minp = vector.new(s_pos.x - size_x, s_pos.y, s_pos.z - size_z),
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maxp = vector.new(s_pos.x + size_x, s_pos.y + size.y, s_pos.z + size_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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elseif
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water_level >= minp.y
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and water_level <= maxp.y
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and data[vi] == c_water_source
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then
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--
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-- Water Level
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--
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if
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(
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table.indexof(biomemap, biome_id_everness_cursed_lands_dunes) ~= -1
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or table.indexof(biomemap, biome_id_everness_cursed_lands_swamp) ~= -1
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or table.indexof(biomemap, biome_id_everness_cursed_lands_ocean) ~= -1
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)
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and rand:next(0, 100) < chance_sea_level
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_cursed_lands_deep_ocean_island.mts'
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--
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-- Cursed Lands Deep Ocean Island
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--
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local size = { x = 25, y = 23, z = 23 }
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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 y_dis = 7
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local schem_pos = vector.new(s_pos.x, s_pos.y - y_dis, s_pos.z)
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-- find floor big enough
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local indexes = Everness.find_content_in_vm_area(
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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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c_water_source,
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minetest.CONTENT_AIR
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},
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data,
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area
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)
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if #indexes < 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 space to place structure ?
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local space_indexes = Everness.find_content_in_vm_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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{
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c_water_source,
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minetest.CONTENT_AIR
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},
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data,
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area
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)
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if #space_indexes > (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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schem_positions.everness_cursed_lands_deep_ocean_island = schem_positions.everness_cursed_lands_deep_ocean_island or {}
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table.insert(schem_positions.everness_cursed_lands_deep_ocean_island, {
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pos = schem_pos,
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minp = vector.new(s_pos.x - size_x, s_pos.y - y_dis, s_pos.z - size_z),
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maxp = vector.new(s_pos.x + size_x, s_pos.y - y_dis + size.y, s_pos.z + size_z)
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})
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minetest.log('action', '[Everness] Cursed Lands Deep Ocean Island was placed at ' .. schem_pos:to_string())
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end
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elseif
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(
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table.indexof(biomemap, biome_id_everness_crystal_forest_dunes) ~= -1
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or table.indexof(biomemap, biome_id_everness_crystal_forest_shore) ~= -1
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or table.indexof(biomemap, biome_id_everness_crystal_forest_ocean) ~= -1
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)
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and rand:next(0, 100) < chance_sea_level
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then
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local schem = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_ocean_shrine.mts'
|
|
|
|
--
|
|
-- Crystal Forest Ocean Shrine
|
|
--
|
|
|
|
local size = { x = 13, y = 16, z = 13 }
|
|
local size_x = math.round(size.x / 2)
|
|
local size_z = math.round(size.z / 2)
|
|
-- add Y displacement
|
|
local y_dis = 8
|
|
local schem_pos = vector.new(s_pos.x, s_pos.y - y_dis, s_pos.z)
|
|
|
|
-- find floor big enough
|
|
local indexes = Everness.find_content_in_vm_area(
|
|
vector.new(s_pos.x - size_x, s_pos.y - 1, s_pos.z - size_z),
|
|
vector.new(s_pos.x + size_x, s_pos.y + 1, s_pos.z + size_z),
|
|
{
|
|
c_water_source,
|
|
minetest.CONTENT_AIR
|
|
},
|
|
data,
|
|
area
|
|
)
|
|
|
|
if #indexes < size.x * size.z then
|
|
-- not enough space
|
|
return
|
|
end
|
|
|
|
-- enough space to place structure ?
|
|
local space_indexes = Everness.find_content_in_vm_area(
|
|
vector.new(s_pos.x - size_x, s_pos.y, s_pos.z - size_z),
|
|
vector.new(s_pos.x + size_x, s_pos.y + size.y, s_pos.z + size_z),
|
|
{
|
|
c_water_source,
|
|
minetest.CONTENT_AIR
|
|
},
|
|
data,
|
|
area
|
|
)
|
|
|
|
if #space_indexes > (size.x * size.y * size.z) / 2 then
|
|
minetest.place_schematic_on_vmanip(
|
|
vm,
|
|
schem_pos,
|
|
schem,
|
|
'random',
|
|
nil,
|
|
true,
|
|
'place_center_x, place_center_z'
|
|
)
|
|
|
|
schem_positions.everness_crystal_forest_ocean_shrine = schem_positions.everness_crystal_forest_ocean_shrine or {}
|
|
|
|
table.insert(schem_positions.everness_crystal_forest_ocean_shrine, {
|
|
pos = schem_pos,
|
|
minp = vector.new(s_pos.x - size_x, s_pos.y - y_dis, s_pos.z - size_z),
|
|
maxp = vector.new(s_pos.x + size_x, s_pos.y - y_dis + size.y, s_pos.z + size_z)
|
|
})
|
|
|
|
minetest.log('action', '[Everness] Crystal Forest Ocean Shrine was placed at ' .. schem_pos:to_string())
|
|
end
|
|
end
|
|
end
|
|
else
|
|
-- Under sea level (Caves)
|
|
if
|
|
(
|
|
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
|
|
)
|
|
and rand:next(0, 100) < chance
|
|
then
|
|
local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple_2.mts'
|
|
|
|
--
|
|
-- Forsaken Desert Temple 2
|
|
--
|
|
|
|
local size = { x = 16, y = 17, z = 15 }
|
|
local size_x = math.round(size.x / 2)
|
|
local size_z = math.round(size.z / 2)
|
|
local schem_pos = vector.new(s_pos)
|
|
|
|
-- find floor big enough
|
|
local positions = minetest.find_nodes_in_area_under_air(
|
|
vector.new(s_pos.x - size_x, s_pos.y - 1, s_pos.z - size_z),
|
|
vector.new(s_pos.x + size_x, s_pos.y + 1, s_pos.z + size_z),
|
|
{
|
|
'everness:forsaken_desert_sand',
|
|
'everness:forsaken_desert_chiseled_stone',
|
|
'everness:forsaken_desert_brick',
|
|
'everness:forsaken_desert_engraved_stone',
|
|
'group:stone',
|
|
'group:sand',
|
|
'group:everness_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',
|
|
'group:flora',
|
|
'everness:quartz_ore',
|
|
'everness:stone_with_pyrite',
|
|
}
|
|
)
|
|
|
|
if #positions < size.x * size.z then
|
|
-- not enough space
|
|
return
|
|
end
|
|
|
|
-- enough air to place structure ?
|
|
local air_positions = minetest.find_nodes_in_area(
|
|
vector.new(s_pos.x - size_x, s_pos.y, s_pos.z - size_z),
|
|
vector.new(s_pos.x + size_x, s_pos.y + size.y, s_pos.z + size_z),
|
|
{
|
|
'air'
|
|
}
|
|
)
|
|
|
|
if #air_positions > (size.x * size.y * size.z) / 2 then
|
|
minetest.place_schematic_on_vmanip(
|
|
vm,
|
|
schem_pos,
|
|
schem,
|
|
'random',
|
|
nil,
|
|
true,
|
|
'place_center_x, place_center_z'
|
|
)
|
|
|
|
schem_positions.everness_forsaken_desert_temple_2 = schem_positions.everness_forsaken_desert_temple_2 or {}
|
|
|
|
table.insert(schem_positions.everness_forsaken_desert_temple_2, {
|
|
pos = schem_pos,
|
|
minp = vector.new(s_pos.x - size_x, s_pos.y, s_pos.z - size_z),
|
|
maxp = vector.new(s_pos.x + size_x, s_pos.y + size.y, s_pos.z + size_z)
|
|
})
|
|
|
|
minetest.log('action', '[Everness] Forsaken Desert Temple 2 was placed at ' .. schem_pos:to_string())
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Set the lighting within the `VoxelManip` to a uniform value
|
|
vm:set_lighting({ day = 0, night = 0 }, minp, maxp)
|
|
-- Calculate lighting for what has been created.
|
|
vm:calc_lighting()
|
|
-- Liquid nodes were placed so set them flowing.
|
|
vm:update_liquids()
|
|
-- Write what has been created to the world.
|
|
vm:write_to_map()
|
|
|
|
-- after_write_to_map
|
|
-- Cannot read/write voxelmanip or its data
|
|
-- Used for direct manipulation of the world chunk nodes where the definitions of nodes are available and node callback can be executed
|
|
|
|
-- minetest.fix_light(minp, maxp)
|
|
|
|
for _, def in ipairs(Everness.on_generated_queue) do
|
|
if def.can_run(biomemap) and def.after_write_to_map then
|
|
shared_args[def.name] = shared_args[def.name] or {}
|
|
-- print('after_write_to_map', def.name, minp:to_string(), maxp:to_string())
|
|
def.after_write_to_map(shared_args[def.name])
|
|
end
|
|
end
|
|
|
|
-- Populate loot chests
|
|
for name, tbl in pairs(schem_positions) do
|
|
if next(tbl) then
|
|
for i, v in ipairs(tbl) do
|
|
local chest_positions = minetest.find_nodes_in_area(
|
|
v.minp,
|
|
v.maxp,
|
|
{ 'everness:chest' }
|
|
)
|
|
|
|
if #chest_positions > 0 then
|
|
Everness:populate_loot_chests(chest_positions)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end)
|