552 lines
17 KiB
Lua
552 lines
17 KiB
Lua
local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
|
||
local S = minetest.get_translator("rp_default")
|
||
|
||
-- If a sapling fails to grow, check the sapling again after this many seconds
|
||
local SAPLING_RECHECK_TIME_MIN = 60
|
||
local SAPLING_RECHECK_TIME_MAX = 70
|
||
|
||
--
|
||
-- Functions/ABMs
|
||
--
|
||
|
||
-- Chest naming via signs
|
||
|
||
function default.write_name(pos, text)
|
||
-- TODO: Allow container naming later
|
||
--[[
|
||
-- Check above, if allowed
|
||
|
||
if minetest.settings:get_bool("signs_allow_name_above") then
|
||
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
|
||
|
||
local abovedef = nil
|
||
|
||
if minetest.registered_nodes[minetest.get_node(above).name] then
|
||
abovedef = minetest.registered_nodes[minetest.get_node(above).name]
|
||
end
|
||
if abovedef and abovedef.write_name ~= nil then
|
||
abovedef.write_name(above, text)
|
||
end
|
||
end
|
||
|
||
-- Then below
|
||
|
||
local below = {x = pos.x, y = pos.y - 1, z = pos.z}
|
||
|
||
local belowdef = nil
|
||
|
||
if minetest.registered_nodes[minetest.get_node(below).name] then
|
||
belowdef = minetest.registered_nodes[minetest.get_node(below).name]
|
||
end
|
||
|
||
if belowdef and belowdef.write_name ~= nil then
|
||
belowdef.write_name(below, text)
|
||
end
|
||
]]
|
||
end
|
||
|
||
-- Saplings growing and placing
|
||
|
||
function default.place_sapling(itemstack, placer, pointed_thing)
|
||
local place_on, place_floor = util.pointed_thing_to_place_pos(pointed_thing)
|
||
if place_on == nil then
|
||
return itemstack
|
||
end
|
||
local floornode = minetest.get_node(place_floor)
|
||
|
||
if minetest.get_item_group(floornode.name, "soil") == 0 then
|
||
return itemstack
|
||
end
|
||
|
||
minetest.set_node(place_on, {name = itemstack:get_name()})
|
||
|
||
if not minetest.is_creative_enabled(placer:get_player_name()) then
|
||
itemstack:take_item()
|
||
end
|
||
|
||
return itemstack
|
||
end
|
||
|
||
local sapling_data = {
|
||
["rp_default:sapling"] = {
|
||
grows_to = "apple",
|
||
grow_time_min = 300,
|
||
grow_time_max = 480,
|
||
},
|
||
["rp_default:sapling_oak"] = {
|
||
grows_to = "oak",
|
||
grow_time_min = 700,
|
||
grow_time_max = 960,
|
||
},
|
||
["rp_default:sapling_birch"] = {
|
||
grows_to = "birch",
|
||
grow_time_min = 480,
|
||
grow_time_max = 780,
|
||
},
|
||
["rp_default:sapling_dry_bush"] = {
|
||
grows_to = "dry_bush",
|
||
grow_time_min = 180,
|
||
grow_time_max = 400
|
||
}
|
||
}
|
||
|
||
local tree_data = {
|
||
["apple"] = {
|
||
schem = "default_appletree.mts",
|
||
offset = vector.new(-2, -1, -2),
|
||
space = {
|
||
{ vector.new(0,0,0), vector.new(0,2,0) },
|
||
{ vector.new(-2,3,-2), vector.new(2,5,2) },
|
||
},
|
||
},
|
||
["oak"] = {
|
||
schem = "default_oaktree.mts",
|
||
offset = vector.new(-2, -1, -2),
|
||
space = {
|
||
{ vector.new(0,0,0), vector.new(0,2,0) },
|
||
{ vector.new(-1,3,-1), vector.new(1,5,1) },
|
||
},
|
||
},
|
||
["birch"] = {
|
||
schem = "default_squaretree.mts",
|
||
replacements = {
|
||
["rp_default:leaves"] = "rp_default:leaves_birch",
|
||
["rp_default:tree"] = "rp_default:tree_birch",
|
||
["rp_default:apple"] = "air"
|
||
},
|
||
offset = vector.new(-1, -1, -1),
|
||
space = {
|
||
{ vector.new(0,0,0), vector.new(0,1,0) },
|
||
{ vector.new(-1,2,-1), vector.new(1,4,1) },
|
||
},
|
||
},
|
||
["dry_bush"] = {
|
||
schem = "default_dry_bush.mts",
|
||
offset = vector.new(-1, -1, -1),
|
||
space = {
|
||
{ vector.new(0,0,0), vector.new(0,1,0) },
|
||
},
|
||
},
|
||
}
|
||
|
||
function default.check_sapling_space(pos, variety)
|
||
local tdata = tree_data[variety]
|
||
if not tdata then
|
||
return false
|
||
end
|
||
local space = tdata.space
|
||
for i=1, #space do
|
||
local min, max = space[i][1], space[i][2]
|
||
min = vector.add(pos, min)
|
||
max = vector.add(pos, max)
|
||
|
||
-- Every node of the volume needs to be air,
|
||
-- so we calculate the volume first
|
||
local required_airs = (max.x - min.x + 1) * (max.y - min.y + 1) * (max.z - min.z + 1)
|
||
|
||
-- If pos is inside the volume, don’t count it (cut it’s the sapling)
|
||
if pos.x >= min.x and pos.y >= min.y and pos.z >= min.z and pos.x <= max.x and pos.y <= max.y and pos.z <= max.z then
|
||
required_airs = required_airs - 1
|
||
end
|
||
local _, counts = minetest.find_nodes_in_area(min, max, {"air"}, false)
|
||
local counted_airs = counts.air
|
||
if counted_airs < required_airs then
|
||
return false
|
||
end
|
||
end
|
||
return true
|
||
end
|
||
|
||
-- Start the sapling grow timer of the sapling at pos.
|
||
-- Returns true on success or false if it was not a sapling.
|
||
function default.begin_growing_sapling(pos)
|
||
local node = minetest.get_node(pos)
|
||
|
||
local sdata = sapling_data[node.name]
|
||
if not sdata then
|
||
return false
|
||
end
|
||
|
||
local min, max = sdata.grow_time_min, sdata.grow_time_max
|
||
|
||
minetest.get_node_timer(pos):start(math.random(min, max))
|
||
return true
|
||
end
|
||
|
||
-- Grow a sapling at pos
|
||
function default.grow_sapling(pos)
|
||
local function grow(variety)
|
||
local tdata = tree_data[variety]
|
||
if not tdata then
|
||
minetest.log("error", "[rp_default] Unknown sapling variety in default.grow_sapling!")
|
||
return
|
||
end
|
||
local opos = vector.add(pos, tdata.offset)
|
||
local replacements = tdata.replacements or {}
|
||
minetest.place_schematic(
|
||
opos,
|
||
minetest.get_modpath("rp_default") .. "/schematics/" .. tdata.schem,
|
||
"0", replacements, false)
|
||
end
|
||
|
||
local node = minetest.get_node(pos)
|
||
local sdata = sapling_data[node.name]
|
||
if not sdata then
|
||
return false
|
||
end
|
||
local variety = sdata.grows_to
|
||
|
||
local enough_space = default.check_sapling_space(pos, variety)
|
||
if not enough_space then
|
||
minetest.get_node_timer(pos):start(math.random(SAPLING_RECHECK_TIME_MIN, SAPLING_RECHECK_TIME_MAX))
|
||
return false
|
||
end
|
||
|
||
minetest.remove_node(pos)
|
||
|
||
minetest.after(0, grow, variety)
|
||
|
||
minetest.log("action", "[rp_default] A " .. variety .. " tree sapling grows at " ..
|
||
minetest.pos_to_string(pos))
|
||
return true
|
||
end
|
||
|
||
-- Make preexisting trees restart the growing process
|
||
|
||
minetest.register_lbm(
|
||
{
|
||
label = "Grow legacy trees",
|
||
name = "rp_default:grow_legacy_trees",
|
||
nodenames = {"rp_default:sapling", "rp_default:sapling_oak", "rp_default:sapling_birch"},
|
||
action = function(pos, node)
|
||
default.begin_growing_sapling(pos)
|
||
end
|
||
}
|
||
)
|
||
|
||
-- Update nodes after the rename orgy after 1.5.3
|
||
minetest.register_lbm(
|
||
{
|
||
label = "Update signs",
|
||
name = "rp_default:update_signs",
|
||
nodenames = {"rp_default:sign"},
|
||
action = function(pos, node)
|
||
local meta = minetest.get_meta(pos)
|
||
local text = meta:get_string("text")
|
||
meta:set_string("infotext", S('"@1"', text))
|
||
end
|
||
}
|
||
)
|
||
minetest.register_lbm(
|
||
{
|
||
label = "Update bookshelves",
|
||
name = "rp_default:update_bookshelves",
|
||
nodenames = {"rp_default:bookshelf"},
|
||
action = function(pos, node)
|
||
local def = minetest.registered_nodes[node.name]
|
||
def.on_construct(pos)
|
||
end
|
||
}
|
||
)
|
||
minetest.register_lbm(
|
||
{
|
||
label = "Update chests",
|
||
name = "rp_default:update_chests",
|
||
nodenames = {"rp_default:chest"},
|
||
action = function(pos, node)
|
||
local def = minetest.registered_nodes[node.name]
|
||
def.on_construct(pos)
|
||
end
|
||
}
|
||
)
|
||
|
||
|
||
-- Vertical plants
|
||
|
||
-- Leaf decay
|
||
|
||
default.leafdecay_trunk_cache = {}
|
||
default.leafdecay_enable_cache = true
|
||
-- Spread the load of finding trunks
|
||
default.leafdecay_trunk_find_allow_accumulator = 0
|
||
|
||
minetest.register_globalstep(function(dtime)
|
||
local finds_per_second = 5000
|
||
default.leafdecay_trunk_find_allow_accumulator =
|
||
math.floor(dtime * finds_per_second)
|
||
end)
|
||
|
||
default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
|
||
local node = minetest.get_node(pos)
|
||
node.param2 = 1
|
||
minetest.set_node(pos, node)
|
||
end
|
||
|
||
minetest.register_abm( -- leaf decay
|
||
{
|
||
|
||
label = "Leaf decay",
|
||
nodenames = {"group:leafdecay"},
|
||
neighbors = {"air", "group:liquid"},
|
||
-- A low interval and a high inverse chance spreads the load
|
||
interval = 2,
|
||
chance = 3,
|
||
|
||
action = function(p0, node, _, _)
|
||
local do_preserve = false
|
||
local d = minetest.registered_nodes[node.name].groups.leafdecay
|
||
if not d or d == 0 then
|
||
return
|
||
end
|
||
local n0 = minetest.get_node(p0)
|
||
if n0.param2 ~= 0 then
|
||
return
|
||
end
|
||
local p0_hash = nil
|
||
if default.leafdecay_enable_cache then
|
||
p0_hash = minetest.hash_node_position(p0)
|
||
local trunkp = default.leafdecay_trunk_cache[p0_hash]
|
||
if trunkp then
|
||
local n = minetest.get_node(trunkp)
|
||
local reg = minetest.registered_nodes[n.name]
|
||
-- Assume ignore is a trunk, to make the thing work at the border of the active area
|
||
if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
|
||
return
|
||
end
|
||
-- Cache is invalid
|
||
table.remove(default.leafdecay_trunk_cache, p0_hash)
|
||
end
|
||
end
|
||
if default.leafdecay_trunk_find_allow_accumulator <= 0 then
|
||
return
|
||
end
|
||
default.leafdecay_trunk_find_allow_accumulator =
|
||
default.leafdecay_trunk_find_allow_accumulator - 1
|
||
-- Assume ignore is a trunk, to make the thing work at the border of the active area
|
||
local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
|
||
if p1 then
|
||
do_preserve = true
|
||
if default.leafdecay_enable_cache then
|
||
-- Cache the trunk
|
||
default.leafdecay_trunk_cache[p0_hash] = p1
|
||
end
|
||
end
|
||
if not do_preserve then
|
||
-- Drop stuff other than the node itself
|
||
local itemstacks = minetest.get_node_drops(n0.name)
|
||
for _, itemname in ipairs(itemstacks) do
|
||
if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or itemname ~= n0.name then
|
||
local p_drop = {
|
||
x = p0.x - 0.5 + math.random(),
|
||
y = p0.y - 0.5 + math.random(),
|
||
z = p0.z - 0.5 + math.random(),
|
||
}
|
||
minetest.add_item(p_drop, itemname)
|
||
end
|
||
end
|
||
-- Remove node
|
||
minetest.remove_node(p0)
|
||
end
|
||
end
|
||
})
|
||
|
||
local is_dry_biome = function(biomename)
|
||
return biomename == "Charparral" or biomename == "Savanna" or biomename == "Savanna Ocean" or biomename == "Desert" or biomename == "Wasteland"
|
||
end
|
||
|
||
minetest.register_abm( -- dirt and grass footsteps becomes dirt with grass if uncovered
|
||
{
|
||
label = "Grow grass on dirt",
|
||
nodenames = {"rp_default:dirt", "rp_default:dirt_with_grass_footsteps", "rp_default:swamp_dirt"},
|
||
interval = 2,
|
||
chance = 40,
|
||
action = function(pos, node)
|
||
local above = {x=pos.x, y=pos.y+1, z=pos.z}
|
||
local name = minetest.get_node(above).name
|
||
local partialblock = minetest.get_item_group(name, "path") ~= 0 or minetest.get_item_group(name, "slab") ~= 0 or minetest.get_item_group(name, "stair") ~= 0
|
||
local nodedef = minetest.registered_nodes[name]
|
||
if nodedef and (not partialblock) and (nodedef.sunlight_propagates or nodedef.paramtype == "light") and nodedef.liquidtype == "none" and (minetest.get_node_light(above) or 0) >= 8 then
|
||
local biomedata = minetest.get_biome_data(pos)
|
||
local biomename = minetest.get_biome_name(biomedata.biome)
|
||
if node.name == "rp_default:swamp_dirt" then
|
||
if biomename == "Swamp" then
|
||
minetest.set_node(pos, {name = "rp_default:dirt_with_swamp_grass"})
|
||
end
|
||
else
|
||
if is_dry_biome(biomename) then
|
||
minetest.set_node(pos, {name = "rp_default:dirt_with_dry_grass"})
|
||
else
|
||
minetest.set_node(pos, {name = "rp_default:dirt_with_grass"})
|
||
end
|
||
end
|
||
end
|
||
end
|
||
})
|
||
|
||
minetest.register_abm( -- dirt with grass becomes dirt if covered
|
||
{
|
||
label = "Remove grass on covered dirt",
|
||
nodenames = {"group:grass_cover"},
|
||
interval = 2,
|
||
chance = 10,
|
||
action = function(pos, node)
|
||
local above = {x=pos.x, y=pos.y+1, z=pos.z}
|
||
local name = minetest.get_node(above).name
|
||
local partialblock = minetest.get_item_group(name, "path") ~= 0 or minetest.get_item_group(name, "slab") ~= 0 or minetest.get_item_group(name, "stair") ~= 0
|
||
local nodedef = minetest.registered_nodes[name]
|
||
if nodedef and (name ~= "ignore" and (partialblock) or (not ((nodedef.sunlight_propagates or nodedef.paramtype == "light") and nodedef.liquidtype == "none"))) then
|
||
if node.name == "rp_default:dirt_with_swamp_grass" then
|
||
minetest.set_node(pos, {name = "rp_default:swamp_dirt"})
|
||
else
|
||
minetest.set_node(pos, {name = "rp_default:dirt"})
|
||
end
|
||
end
|
||
end
|
||
})
|
||
|
||
minetest.register_abm({
|
||
label = "Grass expansion",
|
||
nodenames = {"group:grass"},
|
||
neighbors = {"group:grass_cover"},
|
||
interval = 20,
|
||
chance = 160,
|
||
action = function(pos, node)
|
||
pos.y = pos.y - 1
|
||
local under = minetest.get_node(pos)
|
||
pos.y = pos.y + 1
|
||
|
||
local required_under
|
||
if minetest.get_item_group(node.name, "normal_grass") ~= 0 then
|
||
required_under = "rp_default:dirt_with_grass"
|
||
elseif minetest.get_item_group(node.name, "dry_grass") ~= 0 then
|
||
required_under = "rp_default:dirt_with_dry_grass"
|
||
elseif minetest.get_item_group(node.name, "swamp_grass") ~= 0 then
|
||
required_under = "rp_default:dirt_with_swamp_grass"
|
||
else
|
||
return
|
||
end
|
||
|
||
if under.name ~= required_under then
|
||
return
|
||
end
|
||
|
||
-- Lower chance to spread dry grass
|
||
if node.name == "rp_default:dry_grass" and math.random(1,2) == 1 then
|
||
return
|
||
end
|
||
|
||
local pos0 = vector.subtract(pos, 4)
|
||
local pos1 = vector.add(pos, 4)
|
||
-- Testing shows that a threshold of 3 results in an appropriate maximum
|
||
-- density of approximately 7 nodes per 9x9 area.
|
||
if #minetest.find_nodes_in_area(pos0, pos1, {"group:grass", "rp_default:fern"}) > 3 then
|
||
return
|
||
end
|
||
|
||
local soils = minetest.find_nodes_in_area_under_air( pos0, pos1, "group:grass_cover")
|
||
local num_soils = #soils
|
||
if num_soils >= 1 then
|
||
for si = 1, math.min(3, num_soils) do
|
||
local soil = soils[math.random(num_soils)]
|
||
local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
|
||
minetest.set_node(soil_above, {name = node.name})
|
||
end
|
||
end
|
||
end
|
||
})
|
||
|
||
minetest.register_abm({
|
||
label = "Growing clams",
|
||
nodenames = {"rp_default:sand", "rp_default:gravel"},
|
||
neighbors = {"rp_default:water_source"},
|
||
interval = 20,
|
||
chance = 160,
|
||
action = function(pos, node)
|
||
if pos.y ~= water_level then
|
||
return
|
||
end
|
||
local pos0 = vector.add(pos, {x=-5, y=0, z=-5})
|
||
local pos1 = vector.add(pos, {x=5, y=2, z=5})
|
||
if #minetest.find_nodes_in_area(pos0, pos1, "rp_default:clam") >= 1 then
|
||
return
|
||
end
|
||
|
||
pos0 = vector.add(pos, {x=-2, y=0, z=-2})
|
||
pos1 = vector.add(pos, {x=2, y=0, z=2})
|
||
local soils = minetest.find_nodes_in_area_under_air( pos0, pos1, {"rp_default:sand", "rp_default:gravel"})
|
||
local num_soils = #soils
|
||
if num_soils >= 1 then
|
||
for si = 1, math.min(3, num_soils) do
|
||
local soil = soils[math.random(num_soils)]
|
||
local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
|
||
minetest.set_node(soil_above, {name = "rp_default:clam"})
|
||
end
|
||
end
|
||
end
|
||
})
|
||
|
||
minetest.register_abm( -- cactus grows
|
||
{
|
||
label = "Growing cacti",
|
||
nodenames = {"rp_default:cactus"},
|
||
neighbors = {"group:sand"},
|
||
interval = 20,
|
||
chance = 10,
|
||
action = function(pos, node)
|
||
pos.y = pos.y-1
|
||
local name = minetest.get_node(pos).name
|
||
if minetest.get_item_group(name, "sand") ~= 0 then
|
||
pos.y = pos.y+1
|
||
local height = 0
|
||
while minetest.get_node(pos).name == "rp_default:cactus" and height < 3 do
|
||
height = height+1
|
||
pos.y = pos.y+1
|
||
end
|
||
if height < 3 then
|
||
if minetest.get_node(pos).name == "air" then
|
||
minetest.set_node(pos, {name="rp_default:cactus"})
|
||
end
|
||
end
|
||
end
|
||
end,
|
||
})
|
||
|
||
minetest.register_abm( -- papyrus grows
|
||
{
|
||
label = "Growing papyrus",
|
||
nodenames = {"rp_default:papyrus"},
|
||
neighbors = {"group:plantable_sandy", "group:plantable_soil"},
|
||
interval = 20,
|
||
chance = 10,
|
||
action = function(pos, node)
|
||
pos.y = pos.y-1
|
||
local name = minetest.get_node(pos).name
|
||
|
||
if minetest.find_node_near(pos, 3, {"group:water"}) == nil then
|
||
return
|
||
end
|
||
pos.y = pos.y+1
|
||
local height = 0
|
||
while minetest.get_node(pos).name == "rp_default:papyrus" and height < 3 do
|
||
height = height+1
|
||
pos.y = pos.y+1
|
||
end
|
||
if height < 3 then
|
||
if minetest.get_node(pos).name == "air" then
|
||
minetest.set_node(pos, {name="rp_default:papyrus"})
|
||
end
|
||
end
|
||
end,
|
||
})
|
||
|
||
minetest.register_abm( -- weak torchs burn out and die after ~3 minutes
|
||
{
|
||
label = "Burning out weak torches",
|
||
nodenames = {"rp_default:torch_weak", "rp_default:torch_weak_wall"},
|
||
interval = 3,
|
||
chance = 60,
|
||
action = function(pos, node)
|
||
minetest.set_node(pos, {name = "rp_default:torch_dead", param = node.param, param2 = node.param2})
|
||
end
|
||
})
|