mirror of
https://github.com/FaceDeer/dfcaverns.git
synced 2024-12-25 02:10:37 +01:00
131 lines
3.4 KiB
Lua
131 lines
3.4 KiB
Lua
if not df_caverns.config.enable_oil_sea then
|
|
return
|
|
end
|
|
|
|
local c_oil = df_caverns.node_id.oil
|
|
local c_gas = df_caverns.node_id.gas
|
|
local c_gas_wisp = df_caverns.node_id.gas_wisp
|
|
local c_lava = df_caverns.node_id.lava
|
|
local c_obsidian = df_caverns.node_id.obsidian
|
|
|
|
local log_location
|
|
if mapgen_helper.log_location_enabled then
|
|
log_location = mapgen_helper.log_first_location
|
|
end
|
|
|
|
-------------------------------------------------------------------------------------------
|
|
|
|
local perlin_cave = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=300, y=300, z=300},
|
|
seed = 6000089,
|
|
octaves = 3,
|
|
persist = 0.67
|
|
}
|
|
|
|
-- large-scale rise and fall
|
|
local perlin_wave = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=1000, y=1000, z=1000},
|
|
seed = 10089,
|
|
octaves = 3,
|
|
persist = 0.67
|
|
}
|
|
|
|
local median = df_caverns.config.oil_sea_level
|
|
local floor_mult = -80
|
|
local floor_displace = 60
|
|
local ceiling_mult = 40
|
|
local ceiling_displace = -30
|
|
local wave_mult = 10
|
|
|
|
local c_lava_set
|
|
|
|
local y_max = median + 2*wave_mult + 2*ceiling_mult + ceiling_displace
|
|
local y_min = median - 2*wave_mult + 2*floor_mult + floor_displace
|
|
|
|
df_caverns.register_biome_check(function(pos, heat, humidity)
|
|
if pos.y > y_max or pos.y < y_min then
|
|
return
|
|
end
|
|
return "oil_sea"
|
|
end)
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
--if out of range of cave definition limits, abort
|
|
if minp.y > y_max or maxp.y < y_min then
|
|
return
|
|
end
|
|
|
|
local t_start = os.clock()
|
|
|
|
local vm, data, area = mapgen_helper.mapgen_vm_data()
|
|
|
|
local nvals_cave = mapgen_helper.perlin2d("df_caverns:oil_cave", minp, maxp, perlin_cave)
|
|
local nvals_wave = mapgen_helper.perlin2d("df_caverns:oil_wave", minp, maxp, perlin_wave)
|
|
|
|
if c_lava_set == nil then
|
|
c_lava_set = {}
|
|
for name, def in pairs(minetest.registered_nodes) do
|
|
if def.groups ~= nil and def.groups.lava ~= nil then
|
|
c_lava_set[minetest.get_content_id(name)] = true
|
|
end
|
|
end
|
|
end
|
|
|
|
for vi, x, y, z in area:iterp_yxz(minp, maxp) do
|
|
local index2d = mapgen_helper.index2d(minp, maxp, x, z)
|
|
|
|
local abs_cave = math.abs(nvals_cave[index2d]) -- range is from 0 to approximately 2, with 0 being connected and 2s being islands
|
|
local wave = nvals_wave[index2d] * wave_mult
|
|
|
|
local floor_height = math.floor(abs_cave * floor_mult + floor_displace + median + wave)
|
|
local ceiling_height = math.floor(abs_cave * ceiling_mult + median + ceiling_displace + wave)
|
|
|
|
if y > floor_height - 5 and y < ceiling_height + 5 then
|
|
if c_lava_set[data[vi]] then
|
|
data[vi] = c_obsidian
|
|
end
|
|
end
|
|
if y > floor_height and y < ceiling_height then
|
|
if y > median then
|
|
if math.random() < 0.00025 and ((y < median + 3) or (y > ceiling_height - 3)) then
|
|
data[vi] = c_gas_wisp
|
|
else
|
|
data[vi] = c_gas
|
|
end
|
|
else
|
|
data[vi] = c_oil
|
|
if log_location then log_location("oil_sea", area:position(vi)) end
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
|
|
--send data back to voxelmanip
|
|
vm:set_data(data)
|
|
--calc lighting
|
|
vm:set_lighting({day = 0, night = 0})
|
|
vm:calc_lighting()
|
|
|
|
vm:update_liquids()
|
|
--write it to world
|
|
vm:write_to_map()
|
|
|
|
local time_taken = os.clock() - t_start -- how long this chunk took, in seconds
|
|
mapgen_helper.record_time("df_caverns oil sea", time_taken)
|
|
end)
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "mine_gas:gas_seep",
|
|
wherein = df_dependencies.node_name_stone,
|
|
clust_scarcity = 32 * 32 * 32,
|
|
clust_num_ores = 27,
|
|
clust_size = 6,
|
|
y_max = df_caverns.config.sunless_sea_min,
|
|
y_min = y_min,
|
|
}) |