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Add icebergs

This commit is contained in:
cora 2022-07-24 12:44:20 +02:00
parent 3aaf0f3e29
commit 6e47b5e78b
1 changed files with 82 additions and 0 deletions
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82
mods/MAPGEN/mcl_terrain_features/init.lua
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@ -372,3 +372,85 @@ mcl_structures.register_structure("lavadelta",{
return true return true
end end
}) })
mcl_structures.register_structure("iceberg",{
place_on = {"mcl_core:ice","mcl_core:water_source"},
spawn_by = {"air"},
num_spawn_by = 2,
terrain_feature = true,
noise_params = {
offset = 0,
scale = 0.005,
spread = {x = 250, y = 250, z = 250},
seed = 78375213,
octaves = 5,
persist = 0.1,
flags = "absvalue",
},
flags = "liquid_surface",
y_max = mcl_vars.mg_overworld_max,
y_min = mcl_vars.mg_overworld_min + 1,
--biomes = { "BasaltDelta" },
place_func = function(pos,def,pr)
local p1 = vector.offset(pos,-7,-1,-7)
local p2 = vector.offset(pos,7,1,7)
local nn = minetest.find_nodes_in_area_under_air(p1,p2,{"mcl_core:ice","mcl_core:water_source","air"})
table.sort(nn,function(a, b)
return vector.distance(vector.new(pos.x,0,pos.z), a) < vector.distance(vector.new(pos.x,0,pos.z), b)
end)
if #nn < 1 then return false end
local ice = {}
local ii = #nn / 3
if ii > 32000 then ii = 32000 end
if ii < 1 then ii = 1 end
for i=1,pr:next(1,ii) do
local dst=vector.distance(pos,nn[i])
local r = pr:next(5,14)-dst
for h=0,r do
table.insert(ice,vector.new(nn[i].x,nn[i].y + h,nn[i].z))
table.insert(ice,vector.new(nn[i].x,nn[i].y - dst,nn[i].z))
end
end
minetest.bulk_set_node(ice,{name="mcl_core:ice"})
end
})
mcl_structures.register_structure("iceberg_large",{
place_on = {"mcl_core:ice","mcl_core:water_source"},
spawn_by = {"air"},
num_spawn_by = 2,
terrain_feature = true,
noise_params = {
offset = 0,
scale = 0.005,
spread = {x = 250, y = 250, z = 250},
seed = 78213,
octaves = 5,
persist = 0.1,
flags = "absvalue",
},
flags = "liquid_surface",
y_max = mcl_vars.mg_overworld_max,
y_min = mcl_vars.mg_overworld_min + 1,
place_func = function(pos,def,pr)
local p1 = vector.offset(pos,-10,-1,-10)
local p2 = vector.offset(pos,10,1,10)
local nn = minetest.find_nodes_in_area_under_air(p1,p2,{"mcl_core:ice","mcl_core:water_source","air"})
table.sort(nn,function(a, b)
return vector.distance(vector.new(pos.x,0,pos.z), a) < vector.distance(vector.new(pos.x,0,pos.z), b)
end)
if #nn < 1 then return false end
local ice = {}
local ii = #nn / 3
if ii > 32000 then ii = 32000 end
for i=1,pr:next(1,ii) do
local dst=vector.distance(pos,nn[i])
local r = pr:next(8,20)-dst
for h=0,r do
table.insert(ice,vector.new(nn[i].x,nn[i].y + h,nn[i].z))
table.insert(ice,vector.new(nn[i].x,nn[i].y -dst,nn[i].z))
end
end
minetest.bulk_set_node(ice,{name="mcl_core:ice"})
end
})