336 lines
10 KiB
Lua
336 lines
10 KiB
Lua
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-- © 2016, Rogier <rogier777@gmail.com>
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-- Translation support
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local S = minetest.get_translator("moretrees")
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-- Some constants
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local coconut_drop_ichance = 8
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-- Make the cocos palm fruit trunk a real trunk (it is generated as a fruit)
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local trunk = minetest.registered_nodes["moretrees:palm_trunk"]
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local ftrunk = {}
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local gftrunk = {}
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for k,v in pairs(trunk) do
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ftrunk[k] = v
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gftrunk[k] = v
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end
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ftrunk.tiles = {}
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gftrunk.tiles = {}
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for k,v in pairs(trunk.tiles) do
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ftrunk.tiles[k] = v
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gftrunk.tiles[k] = v
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end
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ftrunk.drop = "moretrees:palm_trunk"
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gftrunk.drop = "moretrees:palm_trunk"
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ftrunk.after_destruct = function(pos, oldnode)
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local coconuts = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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{"group:moretrees_coconut"}
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)
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for _,coconutpos in pairs(coconuts) do
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-- minetest.dig_node(coconutpos) does not cause nearby coconuts to be dropped :-( ...
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--minetest.dig_node(coconutpos)
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local items = minetest.get_node_drops(minetest.get_node(coconutpos).name)
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minetest.swap_node(coconutpos, biome_lib.air)
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for _, itemname in pairs(items) do
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minetest.add_item(coconutpos, itemname)
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end
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end
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end
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-- Make the different trunk types distinguishable (but barely)
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ftrunk.tiles[1] = "moretrees_palm_trunk_top.png^[transformR90"
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gftrunk.tiles[1] = "moretrees_palm_trunk_top.png^[transformR180"
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gftrunk.description = gftrunk.description.." (gen)"
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minetest.register_node("moretrees:palm_fruit_trunk", ftrunk)
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minetest.register_node("moretrees:palm_fruit_trunk_gen", gftrunk)
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local coconut_regrow_abm_spec = {
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nodenames = { "moretrees:palm_fruit_trunk" },
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interval = moretrees.coconut_flower_interval,
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chance = moretrees.coconut_flower_chance,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local coconuts = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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"group:moretrees_coconut"
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)
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-- Expected growth interval increases exponentially with number of coconuts already hanging.
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-- Also: if more coconuts are hanging, the chance of picking an empty spot decreases as well...
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if math.random(2^#coconuts) <= 2 then
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-- Grow in area of 3x3 round trunk
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local dx=math.floor(math.random(3)-2)
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local dz=math.floor(math.random(3)-2)
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local coconutpos = {x=pos.x+dx, y=pos.y, z=pos.z+dz}
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local coconutnode = minetest.get_node(coconutpos)
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if coconutnode.name == "air" then
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minetest.swap_node(coconutpos, {name="moretrees:coconut_0"})
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end
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end
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end
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}
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if moretrees.coconuts_regrow then
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minetest.register_abm(coconut_regrow_abm_spec)
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end
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-- Spawn initial coconuts
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-- Spawn initial coconuts
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-- (Instead of coconuts, a generated-palm fruit trunk is generated with the tree. This
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-- ABM converts the trunk to a regular fruit trunk, and spawns some coconuts)
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minetest.register_abm({
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nodenames = { "moretrees:palm_fruit_trunk_gen" },
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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minetest.swap_node(pos, {name="moretrees:palm_fruit_trunk"})
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local poslist = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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"air"
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)
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local genlist = {}
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for k,v in pairs(poslist) do
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genlist[k] = {x = math.random(100), pos = v}
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end
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table.sort(genlist, function(a, b) return a.x < b.x; end)
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local count = 0
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for _, gen in pairs(genlist) do
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minetest.swap_node(gen.pos, {name = "moretrees:coconut_3"})
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count = count + 1
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if count == 4 then
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break
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end
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end
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end,
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})
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-- Register coconuts, and make them regrow
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local coconut_growfn = function(pos, elapsed)
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local node = minetest.get_node(pos)
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local delay = moretrees.coconut_grow_interval
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if not node then
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return
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elseif not moretrees.coconuts_regrow then
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-- Regrowing has been turned off. Make coconust grow instantly
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minetest.swap_node(pos, {name="moretrees:coconut_3"})
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return
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elseif node.name == "moretrees:coconut_3" then
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-- Drop coconuts (i.e. remove them), so that new coconuts can grow.
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-- Coconuts will drop as items with a small chance
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if math.random(coconut_drop_ichance) == 1 then
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if moretrees.coconut_item_drop_ichance > 0
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and math.random(moretrees.coconut_item_drop_ichance) == 1 then
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local items = minetest.get_node_drops(minetest.get_node(pos).name)
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for _, itemname in pairs(items) do
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minetest.add_item(pos, itemname)
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end
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end
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minetest.swap_node(pos, biome_lib.air)
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end
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else
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-- Grow coconuts to the next stage
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local offset = string.len("moretrees:coconut_x")
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local n = string.sub(node.name, offset)
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minetest.swap_node(pos, {name=string.sub(node.name, 1, offset-1)..n+1})
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end
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-- Don't catch up when elapsed time is large. Regular visits are needed for growth...
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local timer = minetest.get_node_timer(pos)
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timer:start(delay + math.random(moretrees.coconut_grow_interval))
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end
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local coconut_starttimer = function(pos, elapsed)
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local timer = minetest.get_node_timer(pos)
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local base_interval = moretrees.coconut_grow_interval * 2 / 3
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timer:set(base_interval + math.random(base_interval), elapsed or 0)
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end
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for _,suffix in ipairs({"_0", "_1", "_2", "_3", ""}) do
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local name
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if suffix == "_0" then
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name = S("Coconut Flower")
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else
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name = S("Coconut")
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end
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local drop = ""
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local coco_group = 1
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local tile = "moretrees_coconut"..suffix..".png"
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local timerfn = coconut_growfn
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local constructfn = coconut_starttimer
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if suffix == "_3" then
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drop = "moretrees:coconut"
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tile = "moretrees_coconut.png"
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elseif suffix == "" then
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drop = nil
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coco_group = nil
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timerfn = nil
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constructfn = nil
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end
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local coconutdef = {
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description = name,
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tiles = {tile},
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drawtype = "plantlike",
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paramtype = "light",
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sunlight_propagates = true,
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walkable = false,
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groups = { fleshy=3, dig_immediate=3, flammable=2, moretrees_coconut=coco_group },
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inventory_image = tile.."^[transformR180",
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wield_image = tile.."^[transformR180",
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sounds = default.node_sound_defaults(),
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drop = drop,
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selection_box = {
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type = "fixed",
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fixed = {-0.3, -0.3, -0.3, 0.3, 0.3, 0.3}
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},
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on_timer = timerfn,
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on_construct = constructfn,
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}
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minetest.register_node("moretrees:coconut"..suffix, coconutdef)
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end
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-- convert exisiting cocos palms. This is a bit tricky...
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-- Try to make sure that this is indeed a generated tree, and not manually-placed trunks and/or coconuts
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if moretrees.coconuts_convert_existing_palms then
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local spec = {
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name = "moretrees:convert_existing_cocos_palms_to_regrow_coconuts",
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nodenames = "moretrees:coconut",
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action = function(pos, node, active_object_count, active_object_count_wider)
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local trunks
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local cvtrunks
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local leaves
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local coconuts
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-- One regular trunk must be adjacent to the coconut
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trunks = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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"moretrees:palm_trunk"
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)
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if #trunks ~= 1 then
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return
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end
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local tpos = trunks[1]
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-- 1 or 2 other trunks must be one level below to the trunk being converted.
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trunks = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y-1, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y-1, z=tpos.z+1},
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"moretrees:palm_trunk"
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)
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if #trunks < 1 or #trunks > 2 then
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return
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end
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-- 1 or 2 other trunks must be two levels below to the trunk being converted.
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trunks = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y-2, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y-2, z=tpos.z+1},
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"moretrees:palm_trunk"
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)
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if #trunks < 1 or #trunks > 2 then
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return
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end
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-- 1 or 2 trunks must at the level of the trunk being converted.
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cvtrunks = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y, z=tpos.z+1},
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"moretrees:palm_trunk"
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)
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if #cvtrunks < 1 or #cvtrunks > 2 then
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return
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end
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-- No trunks may be one level above the trunk being converted.
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trunks = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y+1, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y+1, z=tpos.z+1},
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"moretrees:palm_trunk"
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)
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if #trunks ~= 0 then
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return
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end
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-- Leaves must be one level above the trunk being converted.
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leaves = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y+1, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y+1, z=tpos.z+1},
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"moretrees:palm_leaves"
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)
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if #leaves == 0 then
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return
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end
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-- Leaves must be two levels above the trunk being converted.
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leaves = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y+2, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y+2, z=tpos.z+1},
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"moretrees:palm_leaves"
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)
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if #leaves == 0 then
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return
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end
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-- No cocos fruit trunk may already be adjacent to the coconut
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trunks = minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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"moretrees:palm_fruit_trunk"
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)
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if #trunks ~= 0 then
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return
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end
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-- No cocos fruit trunk may be adjacent to or below the trunk being converted.
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trunks = minetest.find_nodes_in_area(
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{x=tpos.x-1, y=tpos.y-2, z=tpos.z-1},
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{x=tpos.x+1, y=tpos.y, z=tpos.z+1},
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"moretrees:palm_fruit_trunk"
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)
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if #trunks ~= 0 then
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return
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end
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-- Convert trunk and all coconuts nearby. Maybe convert 2 trunks, just in case...
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for _, tpos_1 in pairs(cvtrunks) do
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minetest.swap_node(tpos_1, {name = "moretrees:palm_fruit_trunk"})
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coconuts = minetest.find_nodes_in_area(
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{x=tpos_1.x-1, y=tpos_1.y, z=tpos_1.z-1},
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{x=tpos_1.x+1, y=tpos_1.y, z=tpos_1.z+1},
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"moretrees:coconut"
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)
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for _, coconutpos in pairs(coconuts) do
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minetest.swap_node(coconutpos, {name = "moretrees:coconut_3"})
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end
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end
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end,
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}
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if minetest.register_lbm then
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minetest.register_lbm(spec)
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else
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spec.interval = 3691
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spec.chance = 10
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minetest.register_abm(spec)
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end
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end
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-- If regrowing was previously disabled, but is enabled now, make sure timers are started for existing coconuts
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if moretrees.coconuts_regrow then
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local spec = {
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name = "moretrees:restart_coconut_regrow_timer",
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nodenames = "group:moretrees_coconut",
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action = function(pos, node, active_object_count, active_object_count_wider)
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local timer = minetest.get_node_timer(pos)
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if not timer:is_started() then
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coconut_starttimer(pos)
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else
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local timeout = timer:get_timeout()
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local elapsed = timer:get_elapsed()
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if timeout - elapsed > moretrees.coconut_grow_interval * 4/3 then
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coconut_starttimer(pos, math.random(moretrees.coconut_grow_interval * 4/3))
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end
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end
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end,
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}
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if minetest.register_lbm then
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minetest.register_lbm(spec)
|
||
|
|
else
|
||
|
|
spec.interval = 3659
|
||
|
|
spec.chance = 10
|
||
|
|
minetest.register_abm(spec)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|