everness/mapgen_baobab_savanna.lua

290 lines
9.8 KiB
Lua

--[[
Everness. Never ending discovery in Everness mapgen.
Copyright (C) 2024 SaKeL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
--]]
--
-- Register biomes
--
local y_max = Everness.settings.biomes.everness_baobab_savanna.y_max
local y_min = Everness.settings.biomes.everness_baobab_savanna.y_min
-- Baobab Savanna
Everness:register_biome({
name = 'everness:baobab_savanna',
node_top = 'everness:dry_dirt_with_dry_grass',
depth_top = 1,
node_filler = 'everness:dry_dirt',
depth_filler = 1,
node_riverbed = 'default:sand',
depth_riverbed = 2,
node_dungeon = 'default:cobble',
node_dungeon_alt = 'default:mossycobble',
node_dungeon_stair = 'stairs:stair_cobble',
y_max = y_max,
y_min = y_min,
heat_point = 80,
humidity_point = 30,
})
--
-- Register decorations
--
-- Savanna bare dirt patches.
-- Must come before all savanna decorations that are placed on dry grass.
-- Noise is similar to long dry grass noise, but scale inverted, to appear
-- where long dry grass is least dense and shortest.
Everness:register_decoration({
name = 'everness:baobab_savanna_dry_dirt_with_dry_grass',
deco_type = 'simple',
place_on = { 'everness:dry_dirt_with_dry_grass' },
sidelen = 4,
noise_params = {
offset = -1.5,
scale = -1.5,
spread = { x = 200, y = 200, z = 200 },
seed = 329,
octaves = 4,
persist = 1.0
},
biomes = { 'everness:baobab_savanna' },
y_max = y_max,
y_min = y_min,
decoration = 'everness:dry_dirt',
place_offset_y = -1,
flags = 'force_placement',
})
Everness:register_decoration({
name = 'everness:baobab_savanna_baobab_tree_1',
deco_type = 'schematic',
place_on = { 'everness:dry_dirt_with_dry_grass', 'everness:dry_dirt' },
spawn_by = { 'everness:dry_dirt_with_dry_grass', 'everness:dry_dirt' },
num_spawn_by = 8,
sidelen = 16,
noise_params = {
offset = 0,
scale = 0.002,
spread = { x = 250, y = 250, z = 250 },
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = { 'everness:baobab_savanna' },
y_max = y_max,
y_min = y_min,
schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
flags = 'place_center_x, place_center_z',
rotation = 'random',
})
Everness:register_decoration({
name = 'everness:baobab_savanna_baobab_tree_2',
deco_type = 'schematic',
place_on = { 'everness:dry_dirt_with_dry_grass', 'everness:dry_dirt' },
spawn_by = { 'everness:dry_dirt_with_dry_grass', 'everness:dry_dirt' },
num_spawn_by = 8,
sidelen = 16,
noise_params = {
offset = -0.004,
scale = 0.01,
spread = { x = 100, y = 100, z = 100 },
seed = 90155,
octaves = 3,
persist = 0.7,
},
biomes = { 'everness:baobab_savanna' },
y_max = y_max,
y_min = y_min,
schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
flags = 'place_center_x, place_center_z',
rotation = 'random',
})
Everness:register_decoration({
name = 'everness:baobab_savanna_baobab_log',
deco_type = 'schematic',
place_on = { 'everness:dry_dirt_with_dry_grass' },
sidelen = 16,
place_offset_y = 1,
noise_params = {
offset = 0,
scale = 0.001,
spread = { x = 250, y = 250, z = 250 },
seed = 2,
octaves = 3,
persist = 0.66
},
biomes = { 'everness:baobab_savanna' },
y_max = y_max,
y_min = y_min,
schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_log.mts',
flags = 'place_center_x',
rotation = 'random',
spawn_by = 'everness:dry_dirt_with_dry_grass',
num_spawn_by = 8,
})
-- Dry grasses
local function register_dry_grass_decoration(offset, scale, length)
Everness:register_decoration({
name = 'everness:dry_grass_' .. length,
deco_type = 'simple',
place_on = { 'everness:dry_dirt_with_dry_grass' },
sidelen = 16,
noise_params = {
offset = offset,
scale = scale,
spread = { x = 200, y = 200, z = 200 },
seed = 329,
octaves = 3,
persist = 0.6
},
biomes = { 'everness:baobab_savanna' },
y_max = y_max,
y_min = y_min,
decoration = 'everness:dry_grass_' .. length,
})
end
register_dry_grass_decoration(0.01, 0.05, 4)
register_dry_grass_decoration(0.03, 0.03, 3)
register_dry_grass_decoration(0.05, 0.01, 2)
register_dry_grass_decoration(0.07, -0.01, 1)
--
-- On Generated
--
local disp = 16
local chance = 100
local schem = minetest.get_modpath('everness') .. '/schematics/everness_giant_sequoia_tree.mts'
local size = { x = 25, y = 75, z = 25 }
local size_x = math.round(size.x / 2)
local size_z = math.round(size.z / 2)
local baobab_tree_size = { x = 24, y = 39, z = 24 }
local baobab_tree_size_x = math.round(size.x / 2)
local baobab_tree_size_z = math.round(size.z / 2)
local c_everness_dry_dirt_with_dry_grass = minetest.get_content_id('everness:dry_dirt_with_dry_grass')
local c_everness_dry_dirt = minetest.get_content_id('everness:dry_dirt')
local c_everness_dry_grass_1 = minetest.get_content_id('everness:dry_grass_1')
local c_everness_dry_grass_2 = minetest.get_content_id('everness:dry_grass_2')
local c_everness_dry_grass_3 = minetest.get_content_id('everness:dry_grass_3')
local c_everness_dry_grass_4 = minetest.get_content_id('everness:dry_grass_4')
local biome_id_baobab_savanna = minetest.get_biome_id('everness:baobab_savanna')
local deco_ids_baobab = {
minetest.get_decoration_id('everness:baobab_savanna_baobab_tree_1'),
minetest.get_decoration_id('everness:baobab_savanna_baobab_tree_2')
}
if #deco_ids_baobab > 1 then
minetest.set_gen_notify({ decoration = true }, deco_ids_baobab)
end
Everness:add_to_queue_on_generated({
name = 'everness:baobab_savanna',
can_run = function(biomemap)
return table.indexof(biomemap, biome_id_baobab_savanna) ~= -1
end,
after_set_data = function(minp, maxp, vm, area, data, p2data, gennotify, rand, shared_args)
local sidelength = maxp.x - minp.x + 1
local x_disp = rand:next(0, disp)
local z_disp = rand:next(0, disp)
shared_args.schem_positions = {}
for y = minp.y, maxp.y do
local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp)
if (
data[vi + area.ystride] == minetest.CONTENT_AIR
or data[vi + area.ystride] == c_everness_dry_grass_1
or data[vi + area.ystride] == c_everness_dry_grass_2
or data[vi + area.ystride] == c_everness_dry_grass_3
or data[vi + area.ystride] == c_everness_dry_grass_4
)
and (
data[vi] == c_everness_dry_dirt_with_dry_grass
or data[vi] == c_everness_dry_dirt
)
and rand:next(0, 100) < chance
then
local s_pos = area:position(vi)
--
-- Giant Sequoia
--
minetest.emerge_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),
function(blockpos, action, calls_remaining, param)
Everness:emerge_area(blockpos, action, calls_remaining, param)
end,
{
callback = function()
local positions = minetest.find_nodes_in_area_under_air(
vector.new(s_pos.x - 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:dry_dirt_with_dry_grass',
'everness:dry_dirt',
'group:flora',
'group:flower'
})
if #positions < size.x * size.z then
-- not enough space
return
end
minetest.place_schematic(
s_pos,
schem,
'random',
nil,
true,
'place_center_x, place_center_z'
)
minetest.log('action', '[Everness] Giant Sequoia was placed at ' .. s_pos:to_string())
end
}
)
end
end
end,
after_write_to_map = function(shared_args, gennotify)
--
-- Baobab Tree - fix light
--
for _, deco_id in ipairs(deco_ids_baobab) do
for _, pos in ipairs(gennotify['decoration#' .. (deco_id or '')] or {}) do
minetest.fix_light(
vector.new(pos.x - baobab_tree_size_x, pos.y - 1, pos.z - baobab_tree_size_z),
vector.new(pos.x + baobab_tree_size_x, pos.y + baobab_tree_size.y, pos.z + baobab_tree_size_z)
)
end
end
end
})