mirror of
https://github.com/FaceDeer/dfcaverns.git
synced 2024-11-15 23:20:25 +01:00
292 lines
10 KiB
Lua
292 lines
10 KiB
Lua
-- This file contains code that is used by multiple different cavern layers.
|
|
|
|
local c_air = df_caverns.node_id.air
|
|
local c_cobble = df_caverns.node_id.cobble
|
|
local c_cobble_fungus = df_caverns.node_id.cobble_fungus
|
|
local c_cobble_fungus_fine = df_caverns.node_id.cobble_fungus_fine
|
|
local c_dead_fungus = df_caverns.node_id.dead_fungus
|
|
local c_dirt = df_caverns.node_id.dirt
|
|
local c_dirt_moss = df_caverns.node_id.dirt_moss
|
|
local c_dry_flowstone = df_caverns.node_id.dry_flowstone
|
|
local c_fireflies = df_caverns.node_id.fireflies
|
|
local c_glowstone = df_caverns.node_id.glowstone
|
|
local c_ice = df_caverns.node_id.ice
|
|
local c_mossycobble = df_caverns.node_id.mossycobble
|
|
local c_oil = df_caverns.node_id.oil
|
|
local c_sand_scum = df_caverns.node_id.sand_scum
|
|
local c_spongestone = df_caverns.node_id.spongestone
|
|
local c_rock_rot = df_caverns.node_id.rock_rot
|
|
local c_water = df_caverns.node_id.water
|
|
local c_wet_flowstone = df_caverns.node_id.wet_flowstone
|
|
local c_webs = df_caverns.node_id.big_webs
|
|
local c_webs_egg = df_caverns.node_id.big_webs_egg
|
|
|
|
df_caverns.data_param2 = {} -- shared among all mapgens to reduce memory clutter
|
|
|
|
df_caverns.get_biome_at_pos_list = {} -- a list of methods of the form function(pos, heat, humidity) to allow modpack-wide queries about what should grow where
|
|
df_caverns.get_biome = function(pos)
|
|
local heat = minetest.get_heat(pos)
|
|
local humidity = minetest.get_humidity(pos)
|
|
for _, val in pairs(df_caverns.get_biome_at_pos_list) do
|
|
local biome = val(pos, heat, humidity)
|
|
if biome ~= nil then
|
|
return biome
|
|
end
|
|
end
|
|
end
|
|
|
|
-- for testing
|
|
--local debug_timer = 0
|
|
--minetest.register_globalstep(function(dtime)
|
|
-- debug_timer = debug_timer + dtime
|
|
-- if debug_timer > 5 then
|
|
-- local singleplayer = minetest.get_player_by_name("singleplayer")
|
|
-- if singleplayer then
|
|
-- minetest.debug(df_caverns.get_biome(singleplayer:get_pos()))
|
|
-- end
|
|
-- debug_timer = debug_timer - 5
|
|
-- end
|
|
--end)
|
|
|
|
-- prevent mapgen from using these nodes as a base for stalactites or stalagmites
|
|
local dont_build_speleothems_on = {}
|
|
for _, content_id in pairs(df_mapitems.wet_stalagmite_ids) do
|
|
dont_build_speleothems_on[content_id] = true
|
|
end
|
|
for _, content_id in pairs(df_mapitems.dry_stalagmite_ids) do
|
|
dont_build_speleothems_on[content_id] = true
|
|
end
|
|
if minetest.get_modpath("big_webs") then
|
|
dont_build_speleothems_on[c_webs] = true
|
|
dont_build_speleothems_on[c_webs_egg] = true
|
|
end
|
|
|
|
--------------------------------------------------
|
|
|
|
df_caverns.stalagmites = function(abs_cracks, vert_rand, vi, area, data, data_param2, wet, reverse_sign)
|
|
if dont_build_speleothems_on[data[vi]] then
|
|
return
|
|
end
|
|
local flowstone
|
|
local stalagmite_ids
|
|
if wet then
|
|
flowstone = c_wet_flowstone
|
|
stalagmite_ids = df_mapitems.wet_stalagmite_ids
|
|
else
|
|
flowstone = c_dry_flowstone
|
|
stalagmite_ids = df_mapitems.dry_stalagmite_ids
|
|
end
|
|
|
|
local height_mult = 1
|
|
local ystride = area.ystride
|
|
if reverse_sign then
|
|
ystride = - ystride
|
|
height_mult = -1
|
|
end
|
|
|
|
if vert_rand < 0.004 then
|
|
if reverse_sign then
|
|
subterrane.big_stalactite(vi+ystride, area, data, 6, 15, flowstone, flowstone, flowstone)
|
|
else
|
|
subterrane.big_stalagmite(vi+ystride, area, data, 6, 15, flowstone, flowstone, flowstone)
|
|
end
|
|
else
|
|
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
|
|
local height = math.floor(abs_cracks * 50)
|
|
subterrane.stalagmite(vi+ystride, area, data, data_param2, param2, height*height_mult, stalagmite_ids)
|
|
end
|
|
data[vi] = flowstone
|
|
end
|
|
|
|
df_caverns.stalactites = function(abs_cracks, vert_rand, vi, area, data, data_param2, wet)
|
|
df_caverns.stalagmites(abs_cracks, vert_rand, vi, area, data, data_param2, wet, true)
|
|
end
|
|
|
|
--------------------------------------------------
|
|
|
|
|
|
df_caverns.flooded_cavern_floor = function(abs_cracks, vert_rand, vi, area, data)
|
|
local ystride = area.ystride
|
|
if abs_cracks < 0.25 then
|
|
data[vi] = c_mossycobble
|
|
elseif data[vi-ystride] ~= c_water then
|
|
data[vi] = c_sand_scum
|
|
end
|
|
|
|
-- put in only the large stalagmites that won't get in the way of the water
|
|
if abs_cracks < 0.1 then
|
|
if vert_rand < 0.004 then
|
|
subterrane.big_stalagmite(vi+ystride, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
|
|
end
|
|
end
|
|
end
|
|
|
|
df_caverns.dry_cavern_floor = function(abs_cracks, vert_rand, vi, area, data, data_param2)
|
|
if abs_cracks < 0.075 then
|
|
df_caverns.stalagmites(abs_cracks, vert_rand, vi, area, data, data_param2, false)
|
|
elseif abs_cracks < 0.4 then
|
|
data[vi] = c_cobble
|
|
elseif abs_cracks < 0.6 then
|
|
data[vi] = c_cobble_fungus_fine
|
|
else
|
|
data[vi] = c_cobble_fungus
|
|
if c_dead_fungus and math.random() < 0.05 then
|
|
data[vi+area.ystride] = c_dead_fungus
|
|
end
|
|
end
|
|
end
|
|
|
|
df_caverns.wet_cavern_floor = function(abs_cracks, vert_rand, vi, area, data, data_param2)
|
|
if abs_cracks < 0.1 then
|
|
df_caverns.stalagmites(abs_cracks, vert_rand, vi, area, data, data_param2, true)
|
|
elseif abs_cracks < 0.6 then
|
|
data[vi] = c_cobble
|
|
elseif abs_cracks < 0.8 then
|
|
data[vi] = c_rock_rot
|
|
else
|
|
data[vi] = c_spongestone
|
|
if c_dead_fungus and math.random() < 0.05 then
|
|
data[vi+area.ystride] = c_dead_fungus
|
|
end
|
|
end
|
|
end
|
|
|
|
--------------------------------------
|
|
|
|
df_caverns.glow_worm_cavern_ceiling = function(abs_cracks, vert_rand, vi, area, data, data_param2)
|
|
if abs_cracks < 0.1 then
|
|
df_caverns.stalactites(abs_cracks, vert_rand, vi, area, data, data_param2, true)
|
|
elseif abs_cracks < 0.5 and abs_cracks > 0.3 and math.random() < 0.3 then
|
|
df_mapitems.glow_worm_ceiling(area, data, vi-area.ystride)
|
|
end
|
|
end
|
|
|
|
df_caverns.tunnel_floor = function(minp, maxp, area, vi, nvals_cracks, data, data_param2, wet, dirt_node)
|
|
if maxp.y > -30 then
|
|
wet = false
|
|
end
|
|
local ystride = area.ystride
|
|
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
|
|
local cracks = nvals_cracks[index2d]
|
|
local abs_cracks = math.abs(cracks)
|
|
|
|
if wet then
|
|
if abs_cracks < 0.05 and data[vi+ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
|
|
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
|
|
local height = math.floor(abs_cracks * 100)
|
|
subterrane.stalagmite(vi+ystride, area, data, data_param2, param2, height, df_mapitems.wet_stalagmite_ids)
|
|
data[vi] = c_wet_flowstone
|
|
elseif dirt_node and abs_cracks > 0.5 and data[vi-ystride] ~= c_air then
|
|
data[vi] = dirt_node
|
|
end
|
|
else
|
|
if abs_cracks < 0.025 and data[vi+ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
|
|
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
|
|
local height = math.floor(abs_cracks * 100)
|
|
subterrane.stalagmite(vi+ystride, area, data, data_param2, param2, height, df_mapitems.dry_stalagmite_ids)
|
|
elseif dirt_node and cracks > 0.5 and data[vi-ystride] ~= c_air then
|
|
data[vi] = dirt_node
|
|
end
|
|
end
|
|
end
|
|
|
|
df_caverns.tunnel_ceiling = function(minp, maxp, area, vi, nvals_cracks, data, data_param2, wet)
|
|
if maxp.y > -30 then
|
|
wet = false
|
|
end
|
|
|
|
local ystride = area.ystride
|
|
local index2d = mapgen_helper.index2di(minp, maxp, area, vi)
|
|
local cracks = nvals_cracks[index2d]
|
|
local abs_cracks = math.abs(cracks)
|
|
|
|
if wet then
|
|
if abs_cracks < 0.05 and data[vi-ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
|
|
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
|
|
local height = math.floor(abs_cracks * 100)
|
|
subterrane.stalactite(vi-ystride, area, data, data_param2, param2, height, df_mapitems.wet_stalagmite_ids)
|
|
data[vi] = c_wet_flowstone
|
|
end
|
|
else
|
|
if abs_cracks < 0.025 and data[vi-ystride] == c_air and not dont_build_speleothems_on[data[vi]] then -- make sure data[vi] is not already flowstone. Stalagmites from lower levels are acting as base for further stalagmites
|
|
local param2 = abs_cracks*1000000 - math.floor(abs_cracks*1000000/4)*4
|
|
local height = math.floor(abs_cracks * 100)
|
|
subterrane.stalactite(vi-ystride, area, data, data_param2, param2, height, df_mapitems.dry_stalagmite_ids)
|
|
end
|
|
end
|
|
end
|
|
|
|
df_caverns.perlin_cave = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=df_caverns.config.horizontal_cavern_scale, y=df_caverns.config.vertical_cavern_scale, z=df_caverns.config.horizontal_cavern_scale},
|
|
seed = -400000000089,
|
|
octaves = 3,
|
|
persist = 0.67
|
|
}
|
|
|
|
df_caverns.perlin_wave = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=df_caverns.config.horizontal_cavern_scale * 2, y=df_caverns.config.vertical_cavern_scale, z=df_caverns.config.horizontal_cavern_scale * 2}, -- squashed 2:1
|
|
seed = 59033,
|
|
octaves = 6,
|
|
persist = 0.63
|
|
}
|
|
|
|
-- Used for making lines of dripstone, and in various other places where small-scale patterns are needed
|
|
df_caverns.np_cracks = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x = 20, y = 20, z = 20},
|
|
seed = 5717,
|
|
octaves = 3,
|
|
persist = 0.63,
|
|
lacunarity = 2.0,
|
|
}
|
|
|
|
---------------------------------------------------------------------------------
|
|
|
|
df_caverns.place_shrub = function(vi, area, data, param2_data, shrub_list)
|
|
if shrub_list == nil then
|
|
return
|
|
end
|
|
|
|
local shrub = shrub_list[math.random(#shrub_list)]
|
|
shrub(vi, area, data, param2_data)
|
|
end
|
|
|
|
---------------------------------------------------------------------------------
|
|
-- This method allows subterrane to overgenerate caves without destroying any of the decorations
|
|
local dfcaverns_nodes = nil
|
|
local dfcaverns_mods = {
|
|
"df_farming:",
|
|
"df_mapitems:",
|
|
"df_primordial_items:",
|
|
"df_trees:",
|
|
"df_underworld_items:",
|
|
"ice_sprites:",
|
|
"mine_gas:",
|
|
}
|
|
|
|
df_caverns.is_ground_content = function(c_node)
|
|
if dfcaverns_nodes then
|
|
return not dfcaverns_nodes[c_node]
|
|
end
|
|
dfcaverns_nodes = {}
|
|
for k, v in pairs(minetest.registered_nodes) do
|
|
for _, prefix in ipairs(dfcaverns_mods) do
|
|
if k:sub(1, #prefix) == prefix then
|
|
dfcaverns_nodes[minetest.get_content_id(k)] = true
|
|
end
|
|
end
|
|
end
|
|
dfcaverns_nodes[c_ice] = true -- needed for nethercap cavern water covering
|
|
dfcaverns_nodes[c_oil] = true -- needed for blackcap oil slicks
|
|
if c_fireflies then
|
|
dfcaverns_nodes[c_fireflies] = true -- used in the primordial caverns
|
|
end
|
|
dfcaverns_nodes[c_glowstone] = nil
|
|
dfcaverns_mods = nil
|
|
return not dfcaverns_nodes[c_node]
|
|
end |