VoxeLibre/mods/MAPGEN/mcl_surface_pools/init.lua

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2022-06-13 02:32:26 +02:00
local adjacents = {
vector.new(1,0,0),
vector.new(1,0,1),
vector.new(1,0,-1),
vector.new(-1,0,0),
vector.new(-1,0,1),
vector.new(-1,0,-1),
vector.new(0,0,1),
vector.new(0,0,-1),
vector.new(0,-1,0)
}
local function set_node_no_bedrock(pos,node)
local n = minetest.get_node(pos)
if n.name == "mcl_core:bedrock" then return end
return minetest.set_node(pos,node)
end
local function airtower(pos)
for i=0,35 do
set_node_no_bedrock(vector.offset(pos,0,i,0),{name="air"})
end
end
local function makelake(pos,size,liquid,border,pr)
local node_under = minetest.get_node(vector.offset(pos,0,1,0))
local p1 = vector.offset(pos,-size,-size,-size)
local p2 = vector.offset(pos,size,size,size)
local nn = minetest.find_nodes_in_area(p1,p2,{"group:material_stone", "group:sand", "group:dirt"})
table.sort(nn,function(a, b)
return vector.distance(pos, a) < vector.distance(pos, b)
end)
if not nn[1] then return end
local y = pos.y + 1
local lq = {}
for i=1,pr:next(1,#nn) do
if nn[i].y == y then
set_node_no_bedrock(nn[i],{name=liquid})
airtower(vector.offset(nn[i],0,1,0))
table.insert(lq,nn[i])
end
end
for k,v in pairs(lq) do
for kk,vv in pairs(adjacents) do
local pp = vector.add(v,vv)
local an = minetest.get_node(pp)
local un = minetest.get_node(vector.offset(pp,0,1,0))
if not border then
if minetest.get_item_group(an.name,"solid") > 0 then
border = an.name
elseif minetest.get_item_group(minetest.get_node(nn[1]).name,"solid") > 0 then
border = minetest.get_node(nn[1]).name
else
border = "mcl_core:stone"
end
if border == "mcl_core:dirt" then border = "mcl_core:dirt_with_grass" end
end
if an.name ~= liquid then
set_node_no_bedrock(pp,{name=border})
if un.name ~= liquid then
airtower(vector.offset(pp,0,1,0))
end
end
end
end
return true
end
mcl_structures.register_structure("lavapool",{
place_on = {"group:sand", "group:dirt", "group:stone"},
fill_ratio = 0.000015,
flags = "place_center_x, place_center_z, force_placement",
y_max = mcl_vars.mg_overworld_max,
y_min = minetest.get_mapgen_setting("water_level"),
place_func = function(pos,def,pr)
return makelake(pos,5,"mcl_core:lava_source","mcl_core:stone",pr)
end
})
mcl_structures.register_structure("water_lake",{
place_on = {"group:dirt","group:stone"},
fill_ratio = 0.000052,
flags = "place_center_x, place_center_z, force_placement",
y_max = mcl_vars.mg_overworld_max,
y_min = minetest.get_mapgen_setting("water_level"),
place_func = function(pos,def,pr)
return makelake(pos,5,"mcl_core:water_source",nil,pr)
end
})