541 lines
18 KiB
Lua
541 lines
18 KiB
Lua
-- Chorus plants
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-- This includes chorus flowers, chorus plant stem nodes and chorus fruit
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local S = minetest.get_translator("mcl_end")
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--- Plant parts ---
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local MAX_FLOWER_AGE = 5 -- Maximum age of chorus flower before it dies
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local chorus_flower_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.375, -0.375, 0.5, 0.375, 0.375},
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{-0.375, -0.375, 0.375, 0.375, 0.375, 0.5},
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{-0.375, -0.375, -0.5, 0.375, 0.375, -0.375},
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{-0.375, 0.375, -0.375, 0.375, 0.5, 0.375},
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{-0.375, -0.5, -0.375, 0.375, -0.375, 0.375},
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}
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}
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-- Helper function
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local function round(num, idp)
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local mult = 10^(idp or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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-- This detaches all chorus plants that are/were attached
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-- at start_pos.
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mcl_end.detach_chorus_plant = function(start_pos, digger)
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local neighbors = {
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{ x=0, y=1, z=0 },
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{ x=0, y=0, z=1 },
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{ x=-1, y=0, z=0 },
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{ x=0, y=0, z=-1 },
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{ x=1, y=0, z=0 },
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{ x=0, y=-1, z=0 },
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}
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table.insert(neighbors, { x=0, y=-1, z=0 })
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local tree_start_posses = {}
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for i=1, #neighbors do
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table.insert(tree_start_posses, vector.add(start_pos, neighbors[i]))
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end
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-- From the start_pos, we look at the 6 possible directions. Each of these can
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-- have a full independent chorus plant ("tree") that might be detached.
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for t=1, #tree_start_posses do
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-- For each "tree", we do a depth-first search to traverse all
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-- chorus plant nodes.
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local touched_nodes_hashes = { minetest.hash_node_position(start_pos) }
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local check_posses = { tree_start_posses[t] }
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local chorus_nodes = {}
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local break_tree = true
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while #check_posses > 0 do
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local pos = check_posses[1]
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local node = minetest.get_node(pos)
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touched_nodes_hashes[minetest.hash_node_position(pos)] = true
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if node.name == "mcl_end:end_stone" then
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-- End stone found, the algorithm ends here (haha!)
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-- without destroying any nodes, because chorus plants
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-- attach to end stone.
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break_tree = false
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break
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elseif minetest.get_item_group(node.name, "chorus_plant") == 1 then
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table.insert(chorus_nodes, pos)
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for i=1, #neighbors do
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local newpos = vector.add(pos, neighbors[i])
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if not touched_nodes_hashes[minetest.hash_node_position(newpos)] then
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table.insert(check_posses, vector.add(pos, neighbors[i]))
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end
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end
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end
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table.remove(check_posses, 1)
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end
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if break_tree then
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-- If we traversed the entire chorus plant and it was not attached to end stone:
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-- Drop ALL the chorus nodes we found.
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for c=1, #chorus_nodes do
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minetest.node_dig(chorus_nodes[c], { name = "mcl_end:chorus_plant" }, digger)
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end
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end
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end
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end
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mcl_end.check_detach_chorus_plant = function(pos, oldnode, oldmetadata, digger)
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mcl_end.detach_chorus_plant(pos, digger)
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end
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minetest.register_node("mcl_end:chorus_flower", {
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description = S("Chorus Flower"),
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_doc_items_longdesc = S("A chorus flower is the living part of a chorus plant. It can grow into a tall chorus plant, step by step. When it grows, it may die on old age eventually. It also dies when it is unable to grow."),
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_doc_items_usagehelp = S("Place it and wait for it to grow. It can only be placed on top of end stone, on top of a chorus plant stem, or at the side of exactly one chorus plant stem."),
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tiles = {
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"mcl_end_chorus_flower.png",
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"mcl_end_chorus_flower.png",
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"mcl_end_chorus_flower.png",
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"mcl_end_chorus_flower.png",
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"mcl_end_chorus_flower.png",
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"mcl_end_chorus_flower.png",
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},
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drawtype = "nodebox",
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paramtype = "light",
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sunlight_propagates = true,
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node_box = chorus_flower_box,
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selection_box = { type = "regular" },
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sounds = mcl_sounds.node_sound_wood_defaults(),
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groups = {handy=1,axey=1, deco_block = 1, not_in_creative_inventory = 1, dig_by_piston = 1, destroy_by_lava_flow = 1,chorus_plant = 1},
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node_placement_prediction = "",
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on_place = function(itemstack, placer, pointed_thing)
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local node_under = minetest.get_node(pointed_thing.under)
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local node_above = minetest.get_node(pointed_thing.above)
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if placer and not placer:get_player_control().sneak then
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-- Use pointed node's on_rightclick function first, if present
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if minetest.registered_nodes[node_under.name] and minetest.registered_nodes[node_under.name].on_rightclick then
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return minetest.registered_nodes[node_under.name].on_rightclick(pointed_thing.under, node_under, placer, itemstack) or itemstack
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end
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end
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--[[ Part 1: Check placement rules. Placement is legal if one of the following
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conditions is met:
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1) On top of end stone or chorus plant
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2) On top of air and horizontally adjacent to exactly 1 chorus plant ]]
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local pos
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if minetest.registered_nodes[node_under.name].buildable_to then
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pos = pointed_thing.under
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else
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pos = pointed_thing.above
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end
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local below = {x=pos.x, y=pos.y-1, z=pos.z}
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local node_below = minetest.get_node(below)
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local plant_ok = false
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-- Condition 1
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if node_below.name == "mcl_end:chorus_plant" or node_below.name == "mcl_end:end_stone" then
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plant_ok = true
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-- Condition 2
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elseif node_below.name == "air" then
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local around = {
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{ x= 1, y=0, z= 0 },
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{ x=-1, y=0, z= 0 },
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{ x= 0, y=0, z= 1 },
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{ x= 0, y=0, z=-1 },
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}
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local around_count = 0
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for a=1, #around do
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local pos_side = vector.add(pos, around[a])
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local node_side = minetest.get_node(pos_side)
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if node_side.name == "mcl_end:chorus_plant" then
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around_count = around_count + 1
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if around_count > 1 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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if around_count == 1 then
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plant_ok = true
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end
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end
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if plant_ok then
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-- Placement OK! Proceed normally
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local it, suc = minetest.item_place_node(itemstack, placer, pointed_thing)
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if suc then
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minetest.sound_play(mcl_sounds.node_sound_wood_defaults().place, {pos = pos})
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end
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return it
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else
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return itemstack
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end
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end,
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after_dig_node = mcl_end.check_detach_chorus_plant,
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_mcl_blast_resistance = 2,
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_mcl_hardness = 0.4,
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})
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minetest.register_node("mcl_end:chorus_flower_dead", {
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description = S("Dead Chorus Flower"),
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_doc_items_longdesc = S("This is a part of a chorus plant. It doesn't grow. Chorus flowers die of old age or when they are unable to grow. A dead chorus flower can be harvested to obtain a fresh chorus flower which is able to grow again."),
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tiles = {
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"mcl_end_chorus_flower_dead.png",
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"mcl_end_chorus_flower_dead.png",
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"mcl_end_chorus_flower_dead.png",
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"mcl_end_chorus_flower_dead.png",
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"mcl_end_chorus_flower_dead.png",
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"mcl_end_chorus_flower_dead.png",
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},
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drawtype = "nodebox",
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paramtype = "light",
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sunlight_propagates = true,
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node_box = chorus_flower_box,
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selection_box = { type = "regular" },
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sounds = mcl_sounds.node_sound_wood_defaults(),
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drop = "mcl_end:chorus_flower",
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groups = {handy=1,axey=1, deco_block = 1, dig_by_piston = 1, destroy_by_lava_flow = 1,chorus_plant = 1},
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after_dig_node = mcl_end.check_detach_chorus_plant,
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_mcl_blast_resistance = 2,
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_mcl_hardness = 0.4,
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})
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minetest.register_node("mcl_end:chorus_plant", {
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description = S("Chorus Plant Stem"),
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_doc_items_longdesc = S("A chorus plant stem is the part of a chorus plant which holds the whole plant together. It needs end stone as its soil. Stems are grown from chorus flowers."),
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_doc_items_usagehelp = S("The stem attaches itself to end stone and other chorus blocks."),
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tiles = {
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"mcl_end_chorus_plant.png",
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"mcl_end_chorus_plant.png",
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"mcl_end_chorus_plant.png",
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"mcl_end_chorus_plant.png",
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"mcl_end_chorus_plant.png",
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"mcl_end_chorus_plant.png",
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},
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drawtype = "nodebox",
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paramtype = "light",
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sunlight_propagates = true,
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node_box = {
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type = "connected",
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fixed = { -0.25, -0.25, -0.25, 0.25, 0.25, 0.25 }, -- Core
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connect_top = { -0.1875, 0.25, -0.1875, 0.1875, 0.5, 0.1875 },
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connect_left = { -0.5, -0.1875, -0.1875, -0.25, 0.1875, 0.1875 },
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connect_right = { 0.25, -0.1875, -0.1875, 0.5, 0.1875, 0.1875 },
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connect_bottom = { -0.1875, -0.5, -0.25, 0.1875, -0.25, 0.25 },
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connect_front = { -0.1875, -0.1875, -0.5, 0.1875, 0.1875, -0.25 },
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connect_back = { -0.1875, -0.1875, 0.25, 0.1875, 0.1875, 0.5 },
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},
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connect_sides = { "top", "bottom", "front", "back", "left", "right" },
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connects_to = {"group:chorus_plant", "mcl_end:end_stone"},
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sounds = mcl_sounds.node_sound_wood_defaults(),
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drop = {
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items = {
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{ items = { "mcl_end:chorus_fruit"}, rarity = 2 },
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}
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},
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groups = {handy=1,axey=1, dig_by_piston = 1, destroy_by_lava_flow = 1, chorus_plant = 1 },
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node_placement_prediction = "",
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on_place = function(itemstack, placer, pointed_thing)
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local node_under = minetest.get_node(pointed_thing.under)
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local node_above = minetest.get_node(pointed_thing.above)
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if placer and not placer:get_player_control().sneak then
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-- Use pointed node's on_rightclick function first, if present
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if minetest.registered_nodes[node_under.name] and minetest.registered_nodes[node_under.name].on_rightclick then
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return minetest.registered_nodes[node_under.name].on_rightclick(pointed_thing.under, node_under, placer, itemstack) or itemstack
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end
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end
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--[[ Part 1: Check placement rules. Placement is legal if this
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condition is met:
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- placed on end stone or any chorus node ]]
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local pos_place, node_check
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if minetest.registered_nodes[node_under.name].buildable_to then
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pos_place = pointed_thing.under
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node_check = node_above
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else
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pos_place = pointed_thing.above
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node_check = node_under
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end
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local plant_ok = false
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if node_check.name == "mcl_end:end_stone" or minetest.get_item_group(node_check.name, "chorus_plant") > 0 then
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plant_ok = true
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end
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if plant_ok then
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-- Placement OK! Proceed normally
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local it, suc = minetest.item_place_node(itemstack, placer, pointed_thing)
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if suc then
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minetest.sound_play(mcl_sounds.node_sound_wood_defaults().place, {pos = pos_place})
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end
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return it
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else
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return itemstack
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end
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end,
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after_dig_node = mcl_end.check_detach_chorus_plant,
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_mcl_blast_resistance = 2,
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_mcl_hardness = 0.4,
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})
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-- Grow a complete chorus plant at pos
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mcl_end.grow_chorus_plant = function(pos, node)
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local flowers = { pos }
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-- Plant initial flower (if it isn't there already)
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if not node then
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node = minetest.get_node(pos)
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end
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if node.name ~= "mcl_end:chorus_flower" then
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minetest.set_node(pos, { name = "mcl_end:chorus_flower" })
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end
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while true do
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local new_flowers_list = {}
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for f=1, #flowers do
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local new_flowers = mcl_end.grow_chorus_plant_step(flowers[f], minetest.get_node(flowers[f]))
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if #new_flowers > 0 then
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table.insert(new_flowers_list, new_flowers)
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end
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end
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if #new_flowers_list == 0 then
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return
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end
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flowers = {}
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for l=1, #new_flowers_list do
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for f=1, #new_flowers_list[l] do
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table.insert(flowers, new_flowers_list[l][f])
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end
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end
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end
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end
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-- Grow a single step of a chorus plant at pos.
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-- Pos must be a chorus flower.
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mcl_end.grow_chorus_plant_step = function(pos, node)
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local new_flower_buds = {}
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local above = { x = pos.x, y = pos.y + 1, z = pos.z }
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local node_above = minetest.get_node(above)
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local around = {
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{ x=-1, y=0, z= 0 },
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{ x= 1, y=0, z= 0 },
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{ x= 0, y=0, z=-1 },
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{ x= 0, y=0, z= 1 },
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}
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local air_around = true
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for a=1, #around do
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if minetest.get_node(vector.add(above, around[a])).name ~= "air" then
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air_around = false
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break
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end
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end
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local grown = false
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if node_above.name == "air" and air_around then
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local branching = false
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local h = 0
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for y=1, 4 do
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local checkpos = {x=pos.x, y=pos.y-y, z=pos.z}
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local node = minetest.get_node(checkpos)
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if node.name == "mcl_end:chorus_plant" then
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h = y
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if not branching then
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for a=1, #around do
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local node_side = minetest.get_node(vector.add(checkpos, around[a]))
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if node_side.name == "mcl_end:chorus_plant" then
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branching = true
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end
|
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end
|
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end
|
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else
|
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break
|
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end
|
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end
|
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local grow_chance
|
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if h <= 1 then
|
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grow_chance = 100
|
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elseif h == 2 and branching == false then
|
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grow_chance = 60
|
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elseif h == 2 and branching == true then
|
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grow_chance = 50
|
||
elseif h == 3 and branching == false then
|
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grow_chance = 40
|
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elseif h == 3 and branching == true then
|
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grow_chance = 25
|
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elseif h == 4 and branching == false then
|
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grow_chance = 20
|
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end
|
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|
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if grow_chance then
|
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local new_flowers = {}
|
||
local r = math.random(1, 100)
|
||
local age = node.param2
|
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if r <= grow_chance then
|
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table.insert(new_flowers, above)
|
||
else
|
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age = age + 1
|
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local branches
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if branching == false then
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branches = math.random(1, 4)
|
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elseif branching == true then
|
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branches = math.random(0, 3)
|
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end
|
||
local branch_grown = false
|
||
for b=1, branches do
|
||
local next_branch = math.random(1, #around)
|
||
local branch = vector.add(pos, around[next_branch])
|
||
local below_branch = vector.add(branch, {x=0,y=-1,z=0})
|
||
if minetest.get_node(below_branch).name == "air" then
|
||
table.insert(new_flowers, branch)
|
||
end
|
||
end
|
||
end
|
||
|
||
for _, f in ipairs(new_flowers) do
|
||
if age >= MAX_FLOWER_AGE then
|
||
local nn = minetest.get_node(f).name
|
||
if nn ~= "mcl_end:chorus_flower" and nn ~= "mcl_end:chorus_flower_dead" then
|
||
minetest.set_node(f, {name="mcl_end:chorus_flower_dead"})
|
||
grown = true
|
||
end
|
||
else
|
||
local nn = minetest.get_node(f).name
|
||
if nn ~= "mcl_end:chorus_flower" and nn ~= "mcl_end:chorus_flower_dead" then
|
||
minetest.set_node(f, {name="mcl_end:chorus_flower", param2 = age})
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||
table.insert(new_flower_buds, f)
|
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grown = true
|
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end
|
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end
|
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end
|
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if #new_flowers >= 1 then
|
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minetest.set_node(pos, {name="mcl_end:chorus_plant"})
|
||
grown = true
|
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end
|
||
end
|
||
end
|
||
if not grown then
|
||
-- FIXME: In the End, chorus plant fails to generate thru mapchunk borders.
|
||
-- So the chorus plants are capped at a fixed height.
|
||
-- The mapgen needs to be taught somehow how to deal with this.
|
||
minetest.set_node(pos, {name = "mcl_end:chorus_flower_dead"})
|
||
end
|
||
return new_flower_buds
|
||
end
|
||
|
||
--- ABM ---
|
||
minetest.register_abm({
|
||
label = "Chorus plant growth",
|
||
nodenames = { "mcl_end:chorus_flower" },
|
||
interval = 35.0,
|
||
chance = 4.0,
|
||
action = function(pos, node, active_object_count, active_object_count_wider)
|
||
mcl_end.grow_chorus_plant_step(pos, node)
|
||
end,
|
||
})
|
||
|
||
--- Chorus fruit ---
|
||
|
||
-- Attempt to randomly teleport the player within a 8×8×8 box around. Rules:
|
||
-- * Not in solid blocks.
|
||
-- * Not in liquids.
|
||
-- * Always on top of a solid block
|
||
-- * Maximum attempts: 16
|
||
--
|
||
-- Returns true on success.
|
||
local random_teleport = function(player)
|
||
local pos = player:get_pos()
|
||
-- 16 attempts to find a suitable position
|
||
for a=1, 16 do
|
||
-- Teleportation box
|
||
local x,y,z
|
||
x = math.random(round(pos.x)-8, round(pos.x)+8)
|
||
y = math.random(math.ceil(pos.y)-8, math.ceil(pos.y)+8)
|
||
z = math.random(round(pos.z)-8, round(pos.z)+8)
|
||
local node_cache = {}
|
||
local ground_level = false
|
||
-- Scan nodes from selected position until we hit ground
|
||
for t=0, 16 do
|
||
local tpos = {x=x, y=y-t, z=z}
|
||
local tnode = minetest.get_node(tpos)
|
||
if tnode.name == "mcl_core:void" or tnode.name == "ignore" then
|
||
break
|
||
end
|
||
local tdef = minetest.registered_nodes[tnode.name]
|
||
table.insert(node_cache, {pos=tpos, node=tnode})
|
||
if tdef.walkable then
|
||
ground_level = true
|
||
break
|
||
end
|
||
end
|
||
-- Ground found? Then let's check if the player has enough room
|
||
if ground_level and #node_cache >= 1 then
|
||
local streak = 0
|
||
local last_was_walkable = true
|
||
for c=#node_cache, 1, -1 do
|
||
local tpos = node_cache[c].pos
|
||
local tnode = node_cache[c].node
|
||
local tdef = minetest.registered_nodes[tnode.name]
|
||
-- Player needs a space of 2 safe non-liquid nodes on top of a walkable node
|
||
if not tdef.walkable and tdef.liquidtype == "none" and tdef.damage_per_second <= 0 then
|
||
if (streak == 0 and last_was_walkable) or (streak > 0) then
|
||
streak = streak + 1
|
||
end
|
||
else
|
||
streak = 0
|
||
end
|
||
last_was_walkable = tdef.walkable
|
||
if streak >= 2 then
|
||
-- JACKPOT! Now we can teleport.
|
||
local goal = {x=tpos.x, y=tpos.y-1.5, z=tpos.z}
|
||
player:set_pos(goal)
|
||
minetest.sound_play({name="mcl_end_teleport", gain=0.8}, {pos=goal, max_hear_distance=16})
|
||
return true
|
||
end
|
||
end
|
||
end
|
||
end
|
||
return false
|
||
end
|
||
|
||
-- Randomly teleport player and update hunger
|
||
local eat_chorus_fruit = function(itemstack, player, pointed_thing)
|
||
if player and pointed_thing and pointed_thing.type == "node" and not player:get_player_control().sneak then
|
||
local node_under = minetest.get_node(pointed_thing.under)
|
||
-- Use pointed node's on_rightclick function first, if present
|
||
if minetest.registered_nodes[node_under.name] and minetest.registered_nodes[node_under.name].on_rightclick then
|
||
return minetest.registered_nodes[node_under.name].on_rightclick(pointed_thing.under, node_under, player, itemstack) or itemstack
|
||
end
|
||
end
|
||
local count = itemstack:get_count()
|
||
local new_itemstack = minetest.do_item_eat(0, nil, itemstack, player, pointed_thing)
|
||
local new_count = new_itemstack:get_count()
|
||
if count ~= new_count or new_itemstack:get_name() ~= "mcl_end:chorus_fruit" or (minetest.settings:get_bool("creative_mode") == true) then
|
||
random_teleport(player)
|
||
end
|
||
return new_itemstack
|
||
end
|
||
|
||
minetest.register_craftitem("mcl_end:chorus_fruit", {
|
||
description = S("Chorus Fruit"),
|
||
_doc_items_longdesc = S("A chorus fruit is an edible fruit from the chorus plant which is home to the End. Eating it teleports you to the top of a random solid block nearby, provided you won't end up inside a liquid, solid or harmful blocks. Teleportation might fail if there are very few or no places to teleport to."),
|
||
wield_image = "mcl_end_chorus_fruit.png",
|
||
inventory_image = "mcl_end_chorus_fruit.png",
|
||
on_place = eat_chorus_fruit,
|
||
on_secondary_use = eat_chorus_fruit,
|
||
groups = { food = 2, transport = 1, eatable = 4, can_eat_when_full = 1 },
|
||
_mcl_saturation = 2.4,
|
||
stack_max = 64,
|
||
})
|
||
|
||
minetest.register_craftitem("mcl_end:chorus_fruit_popped", {
|
||
description = S("Popped Chorus Fruit"),
|
||
_doc_items_longdesc = doc.sub.items.temp.craftitem,
|
||
wield_image = "mcl_end_chorus_fruit_popped.png",
|
||
inventory_image = "mcl_end_chorus_fruit_popped.png",
|
||
groups = { craftitem = 1 },
|
||
stack_max = 64,
|
||
})
|
||
|
||
--- Crafting ---
|
||
minetest.register_craft({
|
||
type = "cooking",
|
||
output = "mcl_end:chorus_fruit_popped",
|
||
recipe = "mcl_end:chorus_fruit",
|
||
cooktime = 10,
|
||
})
|
||
|