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Merge remote-tracking branch 'upstream/master'

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Sys Quatre 2020-12-30 22:28:44 +01:00
commit bfdd8d18b4
5 changed files with 505 additions and 7 deletions
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2
README.md
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@ -39,6 +39,8 @@ SOFTWARE.
* `nether_book_`* (files starting with "nether_book"): Treer, 2019-2020
* `nether_portal_ignition_failure.ogg`: Treer, 2019
* `nether_particle_anim`* (files starting with "nether_particle_anim"): Treer, 2019
* `nether_fumarole.ogg`: Treer, 2020
* `nether_smoke_puff.png`: Treer, 2020
### [Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)](http://creativecommons.org/licenses/by-sa/3.0/)
* `nether_rack.png`: Zeg9

275
mapgen_decorations.lua
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@ -25,12 +25,22 @@
-- emerged or not before the decoration was placed.
local allow_lava_decorations = nether.useBiomes
local _ = {name = "air", prob = 0}
local A = {name = "air", prob = 255, force_place = true}
local G = {name = "nether:glowstone", prob = 255, force_place = true}
local N = {name = "nether:rack", prob = 255}
local S = {name = "nether:sand", prob = 255, force_place = true}
local L = {name = "default:lava_source", prob = 255, force_place = true}
local _ = {name = "air", prob = 0}
local A = {name = "air", prob = 255, force_place = true}
local G = {name = "nether:glowstone", prob = 255, force_place = true}
local N = {name = "nether:rack", prob = 255}
local S = {name = "nether:sand", prob = 255, force_place = true}
local L = {name = "default:lava_source", prob = 255, force_place = true}
local F = {name = "nether:fumarole", prob = 255, force_place = true}
local FS = {name = "nether:fumarole_slab", prob = 255, force_place = true}
local F1 = {name = "nether:fumarole_corner", prob = 255, force_place = true, param2 = 0}
local F2 = {name = "nether:fumarole_corner", prob = 255, force_place = true, param2 = 1}
local F3 = {name = "nether:fumarole_corner", prob = 255, force_place = true, param2 = 2}
local F4 = {name = "nether:fumarole_corner", prob = 255, force_place = true, param2 = 3}
local S1 = {name = "stairs:stair_netherrack", prob = 255, force_place = true, param2 = 5}
local S2 = {name = "stairs:stair_netherrack", prob = 255, force_place = true, param2 = 7}
local S3 = {name = "stairs:stair_netherrack", prob = 255, force_place = true, param2 = 12}
local S4 = {name = "stairs:stair_netherrack", prob = 255, force_place = true, param2 = 16}
-- =================
@ -39,7 +49,7 @@ local L = {name = "default:lava_source", prob = 255, force_place = true}
local schematic_GlowstoneStalactite = {
size = {x = 5, y = 10, z = 5},
data = {
data = { -- note that data is upside down
_, _, _, _, _,
_, _, _, _, _,
_, _, _, _, _,
@ -136,3 +146,254 @@ minetest.register_decoration({
flags = "place_center_x,place_center_z,all_ceilings",
place_offset_y=-3
})
-- =======================================
-- Concealed crevice / Lava sinkhole
-- =======================================
-- if player places a torch/block on this sand or digs it while standing on it, it sinks into lava
if allow_lava_decorations then
minetest.register_decoration({
name = "Weak trap",
deco_type = "schematic",
place_on = "nether:rack",
sidelen = 80,
fill_ratio = 0.002,
biomes = {"nether_caverns"},
y_max = nether.DEPTH, -- keep compatibility with mapgen_nobiomes.lua
y_min = nether.DEPTH_FLOOR,
schematic = {
size = {x = 4, y = 7, z = 4},
data = { -- note that data is upside down
_, _, _, _,
_, _, _, _,
_, N, _, _,
_, N, N, _,
_, N, N, _,
_, N, N, _,
_, _, _, _,
_, N, _, _, -- make it look like a stalactite if it protrudes out the bottom of a landform
_, N, _, _,
N, L, N, _,
N, L, L, N,
N, L, L, N,
N, A, A, N,
_, S, S, _,
_, _, _, _,
_, _, _, _,
_, N, N, _,
N, L, L, N,
N, L, L, N,
N, A, A, N,
_, S, S, _,
_, _, _, _,
_, _, _, _,
_, _, _, _,
_, N, N, _,
_, N, N, _,
_, N, N, _,
_, _, _, _,
}
},
replacements = {["nether:glowstone"] = "nether:rack"},
flags = "place_center_x,place_center_z,force_placement, all_floors",
place_offset_y=-6,
rotation = "random"
})
end
-- ==========================
-- Fumaroles (Chimneys)
-- ==========================
local replacements_slab = {}
local replacements_full = {["nether:fumarole_slab"] = "nether:fumarole"}
if allow_lava_decorations then
-- Minetest engine limitations mean any mesh or nodebox node (like nether:fumarole)
-- will light up if it has lava below it, so replace the air node over the lava with
-- a node that prevents light propagation.
-- (Unfortunately this also means if a player digs down to get the lava block it'll
-- look like the lighting wasn't set in the block above the lava)
replacements_slab["air"] = "nether:airlike_darkness"
replacements_full["air"] = "nether:airlike_darkness"
else
-- Lava is frequently removed by the old mapgen, so put sand at the bottom
-- of fumaroles.
replacements_slab["default:lava_source"] = "nether:sand"
replacements_full["default:lava_source"] = "nether:sand"
end
local schematic_fumarole = {
size = {x = 3, y = 5, z = 3},
data = { -- note that data is upside down
_, _, _,
_, N, _,
_, N, _,
_, _, _,
_, _, _,
_, N, _,
N, L, N,
N, A, N,
_, F, _,
_,FS, _,
_, _, _,
_, N, _,
_, N, _,
_, _, _,
_, _, _,
},
}
-- Common fumarole decoration that's flush with the floor and spawns everywhere
minetest.register_decoration({
name = "Sunken nether fumarole",
deco_type = "schematic",
place_on = {"nether:rack"},
sidelen = 80,
fill_ratio = 0.005,
biomes = {"nether_caverns"},
y_max = nether.DEPTH,
y_min = nether.DEPTH_FLOOR,
schematic = schematic_fumarole,
replacements = replacements_full,
flags = "place_center_x,place_center_z,all_floors",
place_offset_y=-4
})
-- Rarer formations of raised fumaroles in clumps
local fumarole_clump_noise_offset = -0.58
local fumarole_clump_noise = {
offset = fumarole_clump_noise_offset,
scale = 0.5,
spread = {x = 40, y = 40, z = 15},
octaves = 4,
persist = 0.65,
lacunarity = 2.0,
}
fumarole_clump_noise.offset = fumarole_clump_noise_offset - 0.035
minetest.register_decoration({
name = "Raised Nether fumarole",
deco_type = "schematic",
place_on = {"nether:rack"},
sidelen = 8,
noise_params = fumarole_clump_noise,
biomes = {"nether_caverns"},
y_max = nether.DEPTH,
y_min = nether.DEPTH_FLOOR,
schematic = schematic_fumarole,
replacements = replacements_full,
flags = "place_center_x,place_center_z,all_floors",
place_offset_y=-3
})
fumarole_clump_noise.offset = fumarole_clump_noise_offset
minetest.register_decoration({
name = "Half-raised Nether fumarole",
deco_type = "schematic",
place_on = {"nether:rack"},
sidelen = 8,
noise_params = fumarole_clump_noise,
biomes = {"nether_caverns"},
y_max = nether.DEPTH,
y_min = nether.DEPTH_FLOOR,
schematic = schematic_fumarole,
replacements = replacements_slab,
flags = "place_center_x,place_center_z,all_floors",
place_offset_y=-3
})
fumarole_clump_noise.offset = fumarole_clump_noise_offset - 0.035
minetest.register_decoration({
name = "Nether fumarole mound",
deco_type = "schematic",
place_on = {"nether:rack"},
sidelen = 8,
noise_params = fumarole_clump_noise,
biomes = {"nether_caverns"},
y_max = nether.DEPTH,
y_min = nether.DEPTH_FLOOR,
schematic = {
size = {x = 4, y = 4, z = 4},
data = { -- note that data is upside down
_, _, _, _,
_, N, N, _,
_, _, _, _,
_, _, _, _,
_, S, S, _,
N, A, A, N,
_, S2, S1, _,
_, F2, F1, _,
_, S, S, _,
N, A, A, N,
_, S3, S4, _,
_, F3, F4, _,
_, _, _, _,
_, N, N, _,
_, _, _, _,
_, _, _, _
},
yslice_prob = {{ypos = 3, prob = 192}} -- occasionally leave the fumarole cap off
},
flags = "place_center_x,place_center_z,all_floors",
place_offset_y = -2
})
fumarole_clump_noise.offset = fumarole_clump_noise_offset - 0.01
minetest.register_decoration({
name = "Double Nether fumarole",
deco_type = "schematic",
place_on = {"nether:rack"},
sidelen = 8,
noise_params = fumarole_clump_noise,
biomes = {"nether_caverns"},
y_max = nether.DEPTH,
y_min = nether.DEPTH_FLOOR,
schematic = {
size = {x = 4, y = 5, z = 4},
data = { -- note that data is upside down
_, _, _, _,
_, N, N, _,
_, _, _, _,
_, _, _, _,
_, _, _, _,
_, S, S, _,
N, A, A, N,
_, S2, S1, _,
_, F2, F, _,
_, _, FS, _,
_, S, S, _,
F, A, A, N, -- the F may add slight variance in landforms where it gets exposed
_, S3, S4, _,
_, F3, F4, _,
_, _, _, _,
_, _, _, _,
_, N, N, _,
_, _, _, _,
_, _, _, _,
_, _, _, _
}
},
flags = "place_center_x,place_center_z,all_floors",
place_offset_y = -2,
rotation = "random"
})

235
nodes.lua
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@ -139,6 +139,15 @@ stairs.register_stair_and_slab(
S("Outer Nether Stair")
)
stairs.register_stair(
"netherrack",
"nether:rack",
{cracky = 2, level = 2},
{"nether_rack.png"},
S("Netherrack stair"),
default.node_sound_stone_defaults()
)
-- StairsPlus
if minetest.get_modpath("moreblocks") then
@ -152,6 +161,232 @@ if minetest.get_modpath("moreblocks") then
end
-- Fumaroles (Chimney's)
local function fumarole_startTimer(pos, timeout_factor)
if timeout_factor == nil then timeout_factor = 1 end
local next_timeout = (math.random(50, 900) / 10) * timeout_factor
minetest.get_meta(pos):set_float("expected_timeout", next_timeout)
minetest.get_node_timer(pos):start(next_timeout)
end
-- Create an LBM to start fumarole node timers
minetest.register_lbm({
label = "Start fumarole smoke",
name = "nether:start_fumarole",
nodenames = {"nether:fumarole"},
run_at_every_load = true,
action = function(pos, node)
local node_above = minetest.get_node({x = pos.x, y = pos.y + 1, z = pos.z})
if node_above.name == "air" then --and node.param2 % 4 == 0 then
fumarole_startTimer(pos)
end
end
})
local function set_fire(pos, extinguish)
local posBelow = {x = pos.x, y = pos.y - 1, z = pos.z}
if extinguish then
if minetest.get_node(pos).name == "fire:permanent_flame" then minetest.set_node(pos, {name="air"}) end
if minetest.get_node(posBelow).name == "fire:permanent_flame" then minetest.set_node(posBelow, {name="air"}) end
elseif minetest.get_node(posBelow).name == "air" then
minetest.set_node(posBelow, {name="fire:permanent_flame"})
elseif minetest.get_node(pos).name == "air" then
minetest.set_node(pos, {name="fire:permanent_flame"})
end
end
local function fumarole_onTimer(pos, elapsed)
local expected_timeout = minetest.get_meta(pos):get_float("expected_timeout")
if elapsed > expected_timeout + 10 then
-- The timer didn't fire when it was supposed to, so the chunk was probably inactive and has
-- just been approached again, meaning *every* fumarole's on_timer is about to go off.
-- Skip this event and restart the clock for a future random interval.
fumarole_startTimer(pos, 1)
return false
end
-- Fumaroles in the Nether can catch fire.
-- (if taken to the surface and used as cottage chimneys, they don't catch fire)
local inNether = pos.y <= nether.DEPTH and pos.y >= nether.DEPTH_FLOOR
local canCatchFire = inNether and minetest.registered_nodes["fire:permanent_flame"] ~= nil
local smoke_offset = 0
local timeout_factor = 1
local smoke_time_adj = 1
local posAbove = {x = pos.x, y = pos.y + 1, z = pos.z}
local extinguish = minetest.get_node(posAbove).name ~= "air"
if extinguish or (canCatchFire and math.floor(elapsed) % 7 == 0) then
if not extinguish then
-- fumarole gasses are igniting
smoke_offset = 1
timeout_factor = 0.22 -- reduce burning time
end
set_fire(posAbove, extinguish)
set_fire({x = pos.x + 1, y = pos.y + 1, z = pos.z}, extinguish)
set_fire({x = pos.x - 1, y = pos.y + 1, z = pos.z}, extinguish)
set_fire({x = pos.x, y = pos.y + 1, z = pos.z + 1}, extinguish)
set_fire({x = pos.x, y = pos.y + 1, z = pos.z - 1}, extinguish)
elseif inNether then
if math.floor(elapsed) % 3 == 1 then
-- throw up some embers / lava splash
local embers_particlespawn_def = {
amount = 6,
time = 0.1,
minpos = {x=pos.x - 0.1, y=pos.y + 0.0, z=pos.z - 0.1},
maxpos = {x=pos.x + 0.1, y=pos.y + 0.2, z=pos.z + 0.1},
minvel = {x = -.5, y = 4.5, z = -.5},
maxvel = {x = .5, y = 7, z = .5},
minacc = {x = 0, y = -10, z = 0},
maxacc = {x = 0, y = -10, z = 0},
minexptime = 1.4,
maxexptime = 1.4,
minsize = .2,
maxsize = .8,
texture = "^[colorize:#A00:255",
glow = 8
}
minetest.add_particlespawner(embers_particlespawn_def)
embers_particlespawn_def.texture = "^[colorize:#A50:255"
embers_particlespawn_def.maxvel.y = 3
embers_particlespawn_def.glow = 12
minetest.add_particlespawner(embers_particlespawn_def)
else
-- gas noises
minetest.sound_play("nether_fumarole", {
pos = pos,
max_hear_distance = 60,
gain = 0.24,
pitch = math.random(35, 95) / 100
})
end
else
-- we're not in the Nether, so can afford to be a bit more smokey
timeout_factor = 0.4
smoke_time_adj = 1.3
end
-- let out some smoke
minetest.add_particlespawner({
amount = 12 * smoke_time_adj,
time = math.random(40, 60) / 10 * smoke_time_adj,
minpos = {x=pos.x - 0.2, y=pos.y + smoke_offset, z=pos.z - 0.2},
maxpos = {x=pos.x + 0.2, y=pos.y + smoke_offset, z=pos.z + 0.2},
minvel = {x=0, y=0.7, z=-0},
maxvel = {x=0, y=0.8, z=-0},
minacc = {x=0.0,y=0.0,z=-0},
maxacc = {x=0.0,y=0.1,z=-0},
minexptime = 5,
maxexptime = 5.5,
minsize = 1.5,
maxsize = 7,
texture = "nether_smoke_puff.png",
})
fumarole_startTimer(pos, timeout_factor)
return false
end
minetest.register_node("nether:fumarole", {
description="Fumarolic Chimney",
tiles = {"nether_rack.png"},
on_timer = fumarole_onTimer,
after_place_node = function(pos, placer, itemstack, pointed_thing)
fumarole_onTimer(pos, 1)
return false
end,
is_ground_content = true,
groups = {cracky = 3, level = 2, fumarole=1},
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.5000, -0.5000, -0.5000, -0.2500, 0.5000, 0.5000},
{-0.5000, -0.5000, -0.5000, 0.5000, 0.5000, -0.2500},
{-0.5000, -0.5000, 0.2500, 0.5000, 0.5000, 0.5000},
{0.2500, -0.5000, -0.5000, 0.5000, 0.5000, 0.5000}
}
},
selection_box = {type = 'fixed', fixed = {-.5, -.5, -.5, .5, .5, .5}}
})
minetest.register_node("nether:fumarole_slab", {
description="Fumarolic Chimney Slab",
tiles = {"nether_rack.png"},
is_ground_content = true,
on_timer = fumarole_onTimer,
after_place_node = function(pos, placer, itemstack, pointed_thing)
fumarole_onTimer(pos, 1)
return false
end,
groups = {cracky = 3, level = 2, fumarole=1},
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.5000, -0.5000, -0.5000, -0.2500, 0.000, 0.5000},
{-0.5000, -0.5000, -0.5000, 0.5000, 0.000, -0.2500},
{-0.5000, -0.5000, 0.2500, 0.5000, 0.000, 0.5000},
{0.2500, -0.5000, -0.5000, 0.5000, 0.000, 0.5000}
}
},
selection_box = {type = 'fixed', fixed = {-.5, -.5, -.5, .5, 0, .5}},
collision_box = {type = 'fixed', fixed = {-.5, -.5, -.5, .5, 0, .5}}
})
minetest.register_node("nether:fumarole_corner", {
description="Fumarolic Chimney Corner",
tiles = {"nether_rack.png"},
is_ground_content = true,
groups = {cracky = 3, level = 2, fumarole=1},
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.2500, -0.5000, 0.5000, 0.000, 0.5000, 0.000},
{-0.5000, -0.5000, 0.2500, 0.000, 0.5000, 0.000},
{-0.5000, -0.5000, 0.2500, 0.000, 0.000, -0.5000},
{0.000, -0.5000, -0.5000, 0.5000, 0.000, 0.5000}
}
},
selection_box = {
type = 'fixed',
fixed = {
{-.5, -.5, -.5, .5, 0, .5},
{0, 0, .5, -.5, .5, 0},
}
}
})
-- nether:airlike_darkness is an air node through which light does not propagate.
-- Use of it should be avoided when possible as it has the appearance of a lighting bug.
-- Fumarole decorations use it to stop the propagation of light from the lava below,
-- since engine limitations mean any mesh or nodebox node will light up if it has lava
-- below it.
local airlike_darkness = {}
for k,v in pairs(minetest.registered_nodes["air"]) do airlike_darkness[k] = v end
airlike_darkness.paramtype = "none"
minetest.register_node("nether:airlike_darkness", airlike_darkness)
-- Crafting
minetest.register_craft({

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