603 lines
19 KiB
Lua
603 lines
19 KiB
Lua
local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
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local S = minetest.get_translator("rp_default")
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-- If a sapling fails to grow, check the sapling again after this many seconds
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local SAPLING_RECHECK_TIME_MIN = 60
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local SAPLING_RECHECK_TIME_MAX = 70
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-- Maximum growth height of cactus, normally
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local CACTUS_MAX_HEIGHT = 4
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-- Maximum growth height of cactus, fertilized
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local CACTUS_MAX_HEIGHT_PLUS = 6
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-- Maximum growth height of papyrus, normally
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local PAPYRUS_MAX_HEIGHT = 3
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-- Maximum growth height of papyrus, fertilized
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local PAPYRUS_MAX_HEIGHT_PLUS = 4
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-- Bonus height for papyrus when growing on swamp dirt
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local PAPYRUS_SWAMP_HEIGHT_BONUS = 1
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--
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-- Functions/ABMs
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--
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-- Chest naming via signs
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function default.write_name(pos, text)
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-- TODO: Allow container naming later
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--[[
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-- Check above, if allowed
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if minetest.settings:get_bool("signs_allow_name_above") then
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local above = {x = pos.x, y = pos.y + 1, z = pos.z}
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local abovedef = nil
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if minetest.registered_nodes[minetest.get_node(above).name] then
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abovedef = minetest.registered_nodes[minetest.get_node(above).name]
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end
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if abovedef and abovedef.write_name ~= nil then
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abovedef.write_name(above, text)
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end
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end
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-- Then below
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local below = {x = pos.x, y = pos.y - 1, z = pos.z}
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local belowdef = nil
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if minetest.registered_nodes[minetest.get_node(below).name] then
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belowdef = minetest.registered_nodes[minetest.get_node(below).name]
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end
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if belowdef and belowdef.write_name ~= nil then
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belowdef.write_name(below, text)
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end
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]]
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end
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-- Saplings growing and placing
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function default.place_sapling(itemstack, placer, pointed_thing)
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-- Boilerplate to handle pointed node handlers
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local handled, handled_itemstack = util.on_place_pointed_node_handler(itemstack, placer, pointed_thing)
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if handled then
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return handled_itemstack
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end
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-- Find position to place sapling at
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local place_in, place_floor = util.pointed_thing_to_place_pos(pointed_thing)
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if place_in == nil then
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return itemstack
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end
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local floornode = minetest.get_node(place_floor)
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-- Check protection
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if minetest.is_protected(place_in, placer:get_player_name()) and
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not minetest.check_player_privs(placer, "protection_bypass") then
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minetest.record_protection_violation(pos, placer:get_player_name())
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return itemstack
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end
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-- Floor must be soil
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if minetest.get_item_group(floornode.name, "soil") == 0 then
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return itemstack
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end
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-- Place sapling
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minetest.set_node(place_in, {name = itemstack:get_name()})
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-- Reduce item count
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if not minetest.is_creative_enabled(placer:get_player_name()) then
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itemstack:take_item()
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end
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return itemstack
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end
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local sapling_data = {
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["rp_default:sapling"] = {
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grows_to = "apple",
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grow_time_min = 300,
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grow_time_max = 480,
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},
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["rp_default:sapling_oak"] = {
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grows_to = "oak",
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grow_time_min = 700,
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grow_time_max = 960,
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},
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["rp_default:sapling_birch"] = {
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grows_to = "birch",
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grow_time_min = 480,
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grow_time_max = 780,
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},
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["rp_default:sapling_dry_bush"] = {
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grows_to = "dry_bush",
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grow_time_min = 180,
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grow_time_max = 400
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}
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}
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local tree_data = {
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["apple"] = {
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schem = "default_appletree.mts",
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offset = vector.new(-2, -1, -2),
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space = {
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{ vector.new(0,0,0), vector.new(0,2,0) },
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{ vector.new(-2,3,-2), vector.new(2,5,2) },
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},
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},
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["oak"] = {
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schem = "default_oaktree.mts",
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offset = vector.new(-2, -1, -2),
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space = {
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{ vector.new(0,0,0), vector.new(0,2,0) },
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{ vector.new(-1,3,-1), vector.new(1,5,1) },
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},
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},
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["birch"] = {
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schem = "default_squaretree.mts",
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replacements = {
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["rp_default:leaves"] = "rp_default:leaves_birch",
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["rp_default:tree"] = "rp_default:tree_birch",
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["rp_default:apple"] = "air"
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},
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offset = vector.new(-1, -1, -1),
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space = {
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{ vector.new(0,0,0), vector.new(0,1,0) },
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{ vector.new(-1,2,-1), vector.new(1,4,1) },
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},
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},
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["dry_bush"] = {
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schem = "default_dry_bush.mts",
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offset = vector.new(-1, -1, -1),
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space = {
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{ vector.new(0,0,0), vector.new(0,1,0) },
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},
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},
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}
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function default.check_sapling_space(pos, variety)
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local tdata = tree_data[variety]
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if not tdata then
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return false
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end
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local space = tdata.space
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for i=1, #space do
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local min, max = space[i][1], space[i][2]
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min = vector.add(pos, min)
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max = vector.add(pos, max)
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-- Every node of the volume needs to be air,
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-- so we calculate the volume first
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local required_airs = (max.x - min.x + 1) * (max.y - min.y + 1) * (max.z - min.z + 1)
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-- If pos is inside the volume, don’t count it (cut it’s the sapling)
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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
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required_airs = required_airs - 1
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end
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local _, counts = minetest.find_nodes_in_area(min, max, {"air"}, false)
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local counted_airs = counts.air
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if counted_airs < required_airs then
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return false
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end
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end
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return true
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end
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-- Start the sapling grow timer of the sapling at pos.
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-- Returns true on success or false if it was not a sapling.
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function default.begin_growing_sapling(pos)
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local node = minetest.get_node(pos)
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local sdata = sapling_data[node.name]
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if not sdata then
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return false
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end
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local min, max = sdata.grow_time_min, sdata.grow_time_max
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minetest.get_node_timer(pos):start(math.random(min, max))
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return true
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end
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-- Grow a sapling at pos
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function default.grow_sapling(pos)
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local function grow(variety)
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local tdata = tree_data[variety]
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if not tdata then
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minetest.log("error", "[rp_default] Unknown sapling variety in default.grow_sapling!")
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return
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end
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local opos = vector.add(pos, tdata.offset)
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local replacements = tdata.replacements or {}
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minetest.place_schematic(
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opos,
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minetest.get_modpath("rp_default") .. "/schematics/" .. tdata.schem,
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"0", replacements, false)
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end
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local node = minetest.get_node(pos)
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local sdata = sapling_data[node.name]
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if not sdata then
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return false
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end
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local variety = sdata.grows_to
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local enough_space = default.check_sapling_space(pos, variety)
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if not enough_space then
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minetest.get_node_timer(pos):start(math.random(SAPLING_RECHECK_TIME_MIN, SAPLING_RECHECK_TIME_MAX))
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return false
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end
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minetest.remove_node(pos)
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minetest.after(0, grow, variety)
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minetest.log("action", "[rp_default] Sapling of type '" .. variety .. "' grows at " ..
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minetest.pos_to_string(pos))
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return true
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end
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-- Make preexisting trees restart the growing process
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minetest.register_lbm(
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{
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label = "Grow legacy trees",
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name = "rp_default:grow_legacy_trees",
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nodenames = {"rp_default:sapling", "rp_default:sapling_oak", "rp_default:sapling_birch"},
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action = function(pos, node)
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default.begin_growing_sapling(pos)
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end
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}
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)
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-- Update nodes after the rename orgy after 1.5.3
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minetest.register_lbm(
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{
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label = "Update signs",
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name = "rp_default:update_signs",
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nodenames = {"rp_default:sign"},
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action = function(pos, node)
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local meta = minetest.get_meta(pos)
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local text = meta:get_string("text")
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meta:set_string("infotext", S('"@1"', text))
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end
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}
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)
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minetest.register_lbm(
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{
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label = "Update bookshelves",
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name = "rp_default:update_bookshelves",
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nodenames = {"rp_default:bookshelf"},
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action = function(pos, node)
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local def = minetest.registered_nodes[node.name]
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def.on_construct(pos)
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end
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}
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)
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minetest.register_lbm(
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{
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label = "Update chests",
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name = "rp_default:update_chests",
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nodenames = {"rp_default:chest"},
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action = function(pos, node)
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local def = minetest.registered_nodes[node.name]
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def.on_construct(pos)
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end
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}
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)
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-- Vertical plants
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-- Leaf decay
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default.leafdecay_trunk_cache = {}
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default.leafdecay_enable_cache = true
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-- Spread the load of finding trunks
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default.leafdecay_trunk_find_allow_accumulator = 0
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minetest.register_globalstep(function(dtime)
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local finds_per_second = 5000
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default.leafdecay_trunk_find_allow_accumulator =
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math.floor(dtime * finds_per_second)
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end)
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default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
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local node = minetest.get_node(pos)
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node.param2 = 1
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minetest.set_node(pos, node)
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end
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minetest.register_abm( -- leaf decay
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{
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label = "Leaf decay",
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nodenames = {"group:leafdecay"},
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neighbors = {"air", "group:liquid"},
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-- A low interval and a high inverse chance spreads the load
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interval = 2,
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chance = 3,
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action = function(p0, node, _, _)
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local do_preserve = false
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local d = minetest.registered_nodes[node.name].groups.leafdecay
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if not d or d == 0 then
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return
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end
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local n0 = minetest.get_node(p0)
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if n0.param2 ~= 0 then
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return
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end
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local p0_hash = nil
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if default.leafdecay_enable_cache then
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p0_hash = minetest.hash_node_position(p0)
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local trunkp = default.leafdecay_trunk_cache[p0_hash]
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if trunkp then
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local n = minetest.get_node(trunkp)
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local reg = minetest.registered_nodes[n.name]
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-- Assume ignore is a trunk, to make the thing work at the border of the active area
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if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
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return
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end
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-- Cache is invalid
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table.remove(default.leafdecay_trunk_cache, p0_hash)
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end
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end
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if default.leafdecay_trunk_find_allow_accumulator <= 0 then
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return
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end
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default.leafdecay_trunk_find_allow_accumulator =
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default.leafdecay_trunk_find_allow_accumulator - 1
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-- Assume ignore is a trunk, to make the thing work at the border of the active area
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local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
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if p1 then
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do_preserve = true
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if default.leafdecay_enable_cache then
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-- Cache the trunk
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default.leafdecay_trunk_cache[p0_hash] = p1
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end
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end
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if not do_preserve then
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-- Drop stuff other than the node itself
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local itemstacks = minetest.get_node_drops(n0.name)
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for _, itemname in ipairs(itemstacks) do
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if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or itemname ~= n0.name then
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local p_drop = {
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x = p0.x - 0.5 + math.random(),
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y = p0.y - 0.5 + math.random(),
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z = p0.z - 0.5 + math.random(),
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}
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minetest.add_item(p_drop, itemname)
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end
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end
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-- Remove node
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minetest.remove_node(p0)
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end
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end
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})
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local is_dry_biome = function(biomename)
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return biomename == "Charparral" or biomename == "Savanna" or biomename == "Savanna Ocean" or biomename == "Desert" or biomename == "Wasteland"
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end
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minetest.register_abm( -- dirt and grass footsteps becomes dirt with grass if uncovered
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{
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label = "Grow grass on dirt",
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nodenames = {"rp_default:dirt", "rp_default:dirt_with_grass_footsteps", "rp_default:swamp_dirt"},
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interval = 2,
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chance = 40,
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action = function(pos, node)
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local above = {x=pos.x, y=pos.y+1, z=pos.z}
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local name = minetest.get_node(above).name
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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
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local nodedef = minetest.registered_nodes[name]
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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
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local biomedata = minetest.get_biome_data(pos)
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local biomename = minetest.get_biome_name(biomedata.biome)
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if node.name == "rp_default:swamp_dirt" then
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if biomename == "Swamp" then
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minetest.set_node(pos, {name = "rp_default:dirt_with_swamp_grass"})
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end
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else
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if is_dry_biome(biomename) then
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minetest.set_node(pos, {name = "rp_default:dirt_with_dry_grass"})
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else
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minetest.set_node(pos, {name = "rp_default:dirt_with_grass"})
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end
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end
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end
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end
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})
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minetest.register_abm( -- dirt with grass becomes dirt if covered
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{
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label = "Remove grass on covered dirt",
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nodenames = {"group:grass_cover"},
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interval = 2,
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chance = 10,
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action = function(pos, node)
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local above = {x=pos.x, y=pos.y+1, z=pos.z}
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local name = minetest.get_node(above).name
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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
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local nodedef = minetest.registered_nodes[name]
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if nodedef and (name ~= "ignore" and (partialblock) or (not ((nodedef.sunlight_propagates or nodedef.paramtype == "light") and nodedef.liquidtype == "none"))) then
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if node.name == "rp_default:dirt_with_swamp_grass" then
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minetest.set_node(pos, {name = "rp_default:swamp_dirt"})
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else
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minetest.set_node(pos, {name = "rp_default:dirt"})
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end
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end
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end
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})
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minetest.register_abm({
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label = "Grass expansion",
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nodenames = {"group:grass"},
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neighbors = {"group:grass_cover"},
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interval = 20,
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chance = 160,
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action = function(pos, node)
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pos.y = pos.y - 1
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local under = minetest.get_node(pos)
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pos.y = pos.y + 1
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local required_under
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if minetest.get_item_group(node.name, "normal_grass") ~= 0 then
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required_under = "rp_default:dirt_with_grass"
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elseif minetest.get_item_group(node.name, "dry_grass") ~= 0 then
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required_under = "rp_default:dirt_with_dry_grass"
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elseif minetest.get_item_group(node.name, "swamp_grass") ~= 0 then
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required_under = "rp_default:dirt_with_swamp_grass"
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else
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return
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end
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if under.name ~= required_under then
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return
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end
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-- Lower chance to spread dry grass
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if node.name == "rp_default:dry_grass" and math.random(1,2) == 1 then
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return
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end
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local pos0 = vector.subtract(pos, 4)
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local pos1 = vector.add(pos, 4)
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-- Testing shows that a threshold of 3 results in an appropriate maximum
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-- density of approximately 7 nodes per 9x9 area.
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if #minetest.find_nodes_in_area(pos0, pos1, {"group:grass", "rp_default:fern"}) > 3 then
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return
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end
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local soils = minetest.find_nodes_in_area_under_air( pos0, pos1, "group:grass_cover")
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local num_soils = #soils
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if num_soils >= 1 then
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for si = 1, math.min(3, num_soils) do
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local soil = soils[math.random(num_soils)]
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local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
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minetest.set_node(soil_above, {name = node.name})
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end
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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
|
||
local fertilized = minetest.get_item_group(name, "plantable_fertilizer") == 1
|
||
pos.y = pos.y+1
|
||
local height = 0
|
||
local maxh
|
||
-- Determine maximum height. Bonus height on fertilized node
|
||
if fertilized then
|
||
maxh = CACTUS_MAX_HEIGHT_PLUS
|
||
else
|
||
maxh = CACTUS_MAX_HEIGHT
|
||
end
|
||
while minetest.get_node(pos).name == "rp_default:cactus" and height < maxh do
|
||
height = height+1
|
||
pos.y = pos.y+1
|
||
end
|
||
if height < maxh 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)
|
||
-- Papyrus grows upwards, up to a limit.
|
||
-- The maximum height is on fertilized swamp dirt.
|
||
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
|
||
local fertilized = minetest.get_item_group(name, "plantable_fertilizer") == 1
|
||
local maxh
|
||
-- Maximum height is higher on fertilized
|
||
if fertilized then
|
||
maxh = PAPYRUS_MAX_HEIGHT_PLUS
|
||
else
|
||
maxh = PAPYRUS_MAX_HEIGHT
|
||
end
|
||
local is_swampy = minetest.get_item_group(name, "swamp_dirt") == 1
|
||
-- Bonus max. height on swamp dirt
|
||
if is_swampy then
|
||
maxh = maxh + PAPYRUS_SWAMP_HEIGHT_BONUS
|
||
end
|
||
while minetest.get_node(pos).name == "rp_default:papyrus" and height < maxh do
|
||
height = height+1
|
||
pos.y = pos.y+1
|
||
end
|
||
if height < maxh 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
|
||
})
|