447 lines
16 KiB
Lua
447 lines
16 KiB
Lua
--[[
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Everness. Never ending discovery in Everness mapgen.
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Copyright (C) 2025 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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--
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-- Register biomes
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--
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local y_max = Everness.settings.biomes.everness_crystal_forest_under.y_max
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local y_min = Everness.settings.biomes.everness_crystal_forest_under.y_min
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-- Crystal Forest Under
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Everness:register_biome({
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name = 'everness:crystal_forest_under',
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node_cave_liquid = { 'mapgen_water_source', 'mapgen_lava_source' },
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node_dungeon = 'everness:crystal_cobble',
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node_dungeon_alt = 'everness:crystal_mossy_cobble',
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node_dungeon_stair = 'stairs:stair_crystal_cobble',
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y_max = y_max,
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y_min = y_min,
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heat_point = 35,
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humidity_point = 50,
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})
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--
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-- Register decorations
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--
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_floors',
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deco_type = 'simple',
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place_on = { 'default:stone' },
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sidelen = 16,
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place_offset_y = -1,
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fill_ratio = 10,
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max,
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y_min = y_min,
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decoration = {
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'everness:crystal_cave_dirt_with_moss',
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'everness:crystal_moss_block'
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},
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flags = 'all_floors, force_placement'
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_ceilings',
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deco_type = 'simple',
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place_on = { 'default:stone' },
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sidelen = 16,
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fill_ratio = 0.4,
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max,
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y_min = y_min,
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flags = 'all_ceilings',
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decoration = {
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'everness:crystal_moss_block'
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},
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_vines',
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deco_type = 'simple',
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place_on = { 'everness:crystal_moss_block' },
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sidelen = 16,
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fill_ratio = 0.09,
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biomes = { 'everness:crystal_forest_under' },
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param2 = 8,
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decoration = {
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'everness:twisted_vine_1',
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'everness:twisted_vine_2',
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'everness:golden_vine_1',
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'everness:golden_vine_2'
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},
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y_max = y_max,
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y_min = y_min,
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flags = 'all_ceilings',
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spawn_by = 'air',
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num_spawn_by = 8
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_crystal_sphere_cluster',
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deco_type = 'simple',
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place_on = {
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'everness:crystal_cave_dirt_with_moss',
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'everness:crystal_moss_block'
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},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.0005,
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spread = { x = 250, y = 250, z = 250 },
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seed = 2,
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octaves = 3,
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persist = 0.66
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},
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
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y_min = y_min,
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flags = 'all_floors',
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decoration = {
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'everness:marker'
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},
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_crystal_cyan',
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deco_type = 'simple',
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place_on = {
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'everness:crystal_cave_dirt_with_moss',
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'everness:crystal_moss_block'
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},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.02,
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spread = { x = 200, y = 200, z = 200 },
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seed = 329,
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octaves = 3,
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persist = 0.6
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},
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max,
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y_min = y_min,
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decoration = {
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'everness:crystal_cyan',
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'everness:crystal_purple',
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'everness:crystal_orange'
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},
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flags = 'all_floors',
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param2 = 1
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_twisted_crystal_grass',
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deco_type = 'simple',
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place_on = {
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'everness:crystal_cave_dirt_with_moss',
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'everness:crystal_moss_block'
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},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.2,
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spread = { x = 100, y = 100, z = 100 },
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seed = 801,
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octaves = 3,
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persist = 0.7
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},
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max - 500 > y_min and y_max - 500 or y_max,
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y_min = y_min,
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decoration = 'everness:twisted_crystal_grass',
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flags = 'all_floors',
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param2 = 0,
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param2_max = 239,
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_twisted_crystal_spire',
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deco_type = 'simple',
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place_on = {
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'everness:crystal_cave_dirt_with_moss',
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'everness:crystal_moss_block'
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},
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sidelen = 16,
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noise_params = {
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offset = -0.05,
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scale = 0.1,
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spread = { x = 100, y = 100, z = 100 },
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seed = 801,
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octaves = 3,
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persist = 0.7
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},
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max - 500 > y_min and y_max - 500 or y_max,
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y_min = y_min,
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decoration = 'everness:twisted_crystal_spire',
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flags = 'all_floors',
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param2 = 0,
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param2_max = 239,
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})
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Everness:register_decoration({
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name = 'everness:crystal_forest_under_crystal_cyan_ceiling',
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deco_type = 'simple',
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place_on = { 'default:stone' },
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.02,
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spread = { x = 200, y = 200, z = 200 },
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seed = 329,
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octaves = 3,
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persist = 0.6
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},
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biomes = { 'everness:crystal_forest_under' },
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y_max = y_max,
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y_min = y_min,
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decoration = {
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'everness:crystal_cyan',
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'everness:crystal_purple',
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'everness:crystal_orange'
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},
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flags = 'all_ceilings',
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})
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--
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-- On Generated
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--
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local math_floor = math.floor
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local math_sin = math.sin
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local floor_nodes = {}
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local function register_floor_node(name)
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local id = core.get_content_id(name)
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if id and id ~= core.CONTENT_IGNORE and id ~= core.CONTENT_AIR then
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floor_nodes[id] = true
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end
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end
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register_floor_node('everness:crystal_cave_dirt_with_moss')
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register_floor_node('everness:crystal_moss_block')
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local c_air = core.get_content_id('air')
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local replaceable_nodes = {
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[c_air] = true,
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}
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local function register_replaceable_node(name)
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local id = core.get_content_id(name)
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if id and id ~= core.CONTENT_IGNORE and id ~= core.CONTENT_AIR then
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replaceable_nodes[id] = true
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end
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end
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register_replaceable_node('everness:twisted_crystal_grass')
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register_replaceable_node('everness:twisted_crystal_spire')
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register_replaceable_node('everness:crystal_cyan')
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register_replaceable_node('everness:crystal_purple')
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register_replaceable_node('everness:crystal_orange')
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local biome_id_everness_crystal_forest_under = core.get_biome_id('everness:crystal_forest_under')
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local deco_id_crystal_forest_under_crystal_sphere_cluster = core.get_decoration_id('everness:crystal_forest_under_crystal_sphere_cluster')
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-- `core.read_schematic` here so we don't cache the schem file, otherwise `replacements` will not work
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local schem_crystal_sphere_cluster = core.read_schematic(core.get_modpath('everness') .. '/schematics/everness_crystal_purple_cluster.mts', {})
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local crystal_sphere_cluster_size = { x = 20, y = 19, z = 19 }
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local crystal_sphere_cluster_size_x = math.round(crystal_sphere_cluster_size.x / 2)
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local crystal_sphere_cluster_size_z = math.round(crystal_sphere_cluster_size.z / 2)
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local crystal_sphere_cluster_safe_volume = (crystal_sphere_cluster_size.x * crystal_sphere_cluster_size.y * crystal_sphere_cluster_size.z) / 2
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local crystal_sphere_cluster_place_on = Everness.to_set(core.registered_decorations['everness:crystal_forest_under_crystal_sphere_cluster'].place_on)
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Everness:register_gen_notify_decoration({
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deco_id_crystal_forest_under_crystal_sphere_cluster
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})
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Everness:add_to_queue_on_generated({
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name = 'everness:crystal_forest_under',
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can_run = function(biomemap, chunk_biomes)
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return (chunk_biomes and chunk_biomes[biome_id_everness_crystal_forest_under]) or table.indexof(biomemap, biome_id_everness_crystal_forest_under) ~= -1
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end,
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-- 1. on_data: Raw VoxelManip content/param2 manipulation (committed automatically via set_data)
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on_data = function(minp, maxp, area, data, p2data, gennotify, rand, shared_args, biomemap)
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--
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-- Crystal Clusters (Marker-free Worley Cellular Noise L-System)
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--
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local cell_size = 32
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local min_gx = math_floor(minp.x / cell_size) - 1
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local max_gx = math_floor(maxp.x / cell_size) + 1
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local min_gz = math_floor(minp.z / cell_size) - 1
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local max_gz = math_floor(maxp.z / cell_size) + 1
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local ystride = area.ystride
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local chunk_size_x = maxp.x - minp.x + 1
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for cx = min_gx, max_gx do
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for cz = min_gz, max_gz do
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local n = math_sin(cx * 127.1 + cz * 311.7 + 5432.1) * 43758.5453
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local rand_val = (n - math_floor(n))
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-- 80% chance cell has a crystal cluster, 20% empty spacing
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if rand_val < 0.80 then
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local n2 = math_sin(cx * 269.5 + cz * 183.3 + 9876.5) * 43758.5453
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local rx = (n2 - math_floor(n2)) * 0.7 + 0.15
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local n3 = math_sin(cx * 419.2 + cz * 371.9 + 1357.9) * 43758.5453
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local rz = (n3 - math_floor(n3)) * 0.7 + 0.15
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local seed_x = math_floor((cx + rx) * cell_size)
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local seed_z = math_floor((cz + rz) * cell_size)
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if seed_x >= minp.x and seed_x <= maxp.x and seed_z >= minp.z and seed_z <= maxp.z then
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-- Check column biome
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local col_idx = (seed_z - minp.z) * chunk_size_x + (seed_x - minp.x) + 1
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if not biomemap or not biomemap[col_idx] or biomemap[col_idx] == biome_id_everness_crystal_forest_under then
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-- Color zoning (Orange 45%, Cyan 30%, Purple 25%)
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local color_choice = math_floor((rand_val / 0.80) * 3) % 3
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local rand_color = (color_choice == 0 and 'orange') or (color_choice == 1 and 'cyan') or 'purple'
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-- Scan vertical column for cavern floor surface
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for y = maxp.y - 1, minp.y, -1 do
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local vi = area:index(seed_x, y, seed_z)
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local node_id = data[vi]
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local above_id = data[vi + ystride]
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if floor_nodes[node_id] and replaceable_nodes[above_id] then
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-- Check vertical clearance (counting air and replaceable grass/decorations)
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local clearance = 0
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for h = 1, 12 do
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local check_y = y + h
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if check_y <= maxp.y and replaceable_nodes[data[vi + h * ystride]] then
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clearance = clearance + 1
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else
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break
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end
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end
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if clearance >= 2 then
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local stage = 1
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if clearance >= 9 and rand_val < 0.25 then
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stage = 3 -- Grand Cavern Spire
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elseif clearance >= 5 and rand_val < 0.55 then
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stage = 2 -- Medium Cluster
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end
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local cluster_pos = vector.new(seed_x, y + 1, seed_z)
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Everness.spawn_crystal_cluster_vmanip(
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nil,
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area,
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data,
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p2data,
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cluster_pos,
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rand_color,
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stage,
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rand
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)
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end
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break -- Placed at highest valid floor in this column
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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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end
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end
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end,
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-- 2. after_set_data: Schematics placement on VoxelManip
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after_set_data = function(minp, maxp, vm, area, data, p2data, gennotify, rand, shared_args)
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--
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-- Crystal Sphere Cluster
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--
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for _, pos in ipairs(gennotify['decoration#' .. (deco_id_crystal_forest_under_crystal_sphere_cluster or '')] or {}) do
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-- `pos` is position of the 'place_on' node
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local marker_pos = vector.new(pos.x, pos.y + 1, pos.z)
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local marker_node = core.get_node(marker_pos)
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local place_on_node = core.get_node(pos)
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local crystal_sphere_cluster_y_dis = rand:next(5, 9)
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if marker_node and marker_node.name == 'everness:marker' then
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-- remove marker
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core.remove_node(marker_pos)
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if place_on_node and crystal_sphere_cluster_place_on[place_on_node.name] then
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-- enough air to place structure ?
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local positions = core.find_nodes_in_area(
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vector.new(
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pos.x - crystal_sphere_cluster_size_x,
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pos.y - crystal_sphere_cluster_y_dis,
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pos.z - crystal_sphere_cluster_size_z
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),
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vector.new(
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pos.x + crystal_sphere_cluster_size_x,
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pos.y - crystal_sphere_cluster_y_dis + crystal_sphere_cluster_size.y,
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pos.z + crystal_sphere_cluster_size_z
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),
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{
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'air',
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'everness:coral_tree',
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'everness:crystal_block_orange',
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'everness:crystal_block_purple',
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'everness:crystal_block_cyan',
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},
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true
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)
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local air = positions.air or {}
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local tree = positions['everness:coral_tree'] or {}
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local block_orange = positions['everness:crystal_block_orange'] or {}
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local block_purple = positions['everness:crystal_block_purple'] or {}
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local block_cyan = positions['everness:crystal_block_cyan'] or {}
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if
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#air > crystal_sphere_cluster_safe_volume
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-- do not overlap
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and not (
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#tree > 0
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or #block_orange > 0
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or #block_purple > 0
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or #block_cyan > 0
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)
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then
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local replacements
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local rand_color
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if rand:next(0, 100) < 25 then
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local colors = { 'orange', 'cyan' }
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rand_color = colors[rand:next(1, #colors)]
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replacements = {
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['everness:crystal_block_purple'] = 'everness:crystal_block_' .. rand_color,
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['everness:crystal_purple'] = 'everness:crystal_' .. rand_color
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}
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end
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core.place_schematic_on_vmanip(
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vm,
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vector.new(marker_pos.x, marker_pos.y - crystal_sphere_cluster_y_dis, marker_pos.z),
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schem_crystal_sphere_cluster,
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'random',
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replacements,
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true,
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'place_center_x, place_center_z'
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)
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-- core.log('action', '[Everness] Crystal Sphere Cluster ' .. (rand_color or 'orange') .. ' was placed at ' .. 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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end
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})
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