forked from MineClone5/MineClone5
382 lines
12 KiB
Lua
382 lines
12 KiB
Lua
local plant_lists = {}
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function mcl_farming:add_plant(identifier, full_grown, names, interval, chance)
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plant_lists[identifier] = {}
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plant_lists[identifier].full_grown = full_grown
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plant_lists[identifier].names = names
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minetest.register_abm({
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label = string.format("Farming plant growth (%s)", identifier),
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nodenames = names,
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interval = interval,
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chance = chance,
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action = function(pos, node)
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if minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name ~= "mcl_farming:soil_wet" and math.random(0, 9) > 0 then
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return
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else
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mcl_farming:grow_plant(identifier, pos, node)
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end
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end,
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})
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end
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-- Attempts to advance a plant at pos by one or more growth stages (if possible)
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-- identifier: Identifier of plant as defined by mcl_farming:add_plant
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-- pos: Position
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-- node: Node table
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-- stages: Number of stages to advance (optional, defaults to 1)
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-- ignore_light: if true, ignore light requirements for growing
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-- Returns true if plant has been grown by 1 or more stages.
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-- Returns false if nothing changed.
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function mcl_farming:grow_plant(identifier, pos, node, stages, ignore_light)
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if not minetest.get_node_light(pos) and not ignore_light then
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return false
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end
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if minetest.get_node_light(pos) < 10 and not ignore_light then
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return false
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end
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local plant_info = plant_lists[identifier]
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local step = nil
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for i, name in ipairs(plant_info.names) do
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if name == node.name then
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step = i
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break
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end
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end
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if step == nil then
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return false
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end
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if not stages then
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stages = 1
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end
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local new_node = {name = plant_info.names[step+stages]}
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if new_node.name == nil then
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new_node.name = plant_info.full_grown
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end
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new_node.param = node.param
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new_node.param2 = node.param2
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minetest.set_node(pos, new_node)
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return true
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end
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function mcl_farming:place_seed(itemstack, placer, pointed_thing, plantname)
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local pt = pointed_thing
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if not pt then
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return
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end
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if pt.type ~= "node" then
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return
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end
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-- Use pointed node's on_rightclick function first, if present
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local node = minetest.get_node(pt.under)
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if placer and not placer:get_player_control().sneak then
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if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
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return minetest.registered_nodes[node.name].on_rightclick(pt.under, node, placer, itemstack) or itemstack
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end
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end
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local pos = {x=pt.above.x, y=pt.above.y-1, z=pt.above.z}
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local farmland = minetest.get_node(pos)
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pos= {x=pt.above.x, y=pt.above.y, z=pt.above.z}
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local place_s = minetest.get_node(pos)
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if string.find(farmland.name, "mcl_farming:soil") and string.find(place_s.name, "air") then
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minetest.sound_play(minetest.registered_nodes[plantname].sounds.place, {pos = pos})
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minetest.add_node(pos, {name=plantname, param2 = minetest.registered_nodes[plantname].place_param2})
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else
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return
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end
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if not minetest.settings:get_bool("creative_mode") 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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--[[ Helper function to create a gourd (e.g. melon, pumpkin), the connected stem nodes as
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- full_unconnected_stem: itemstring of the full-grown but unconnceted stem node. This node must already be done
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- connected_stem_basename: prefix of the itemstrings used for the 4 connected stem nodes to create
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- stem_itemstring: Desired itemstring of the fully-grown unconnected stem node
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- stem_def: Partial node definition of the fully-grown unconnected stem node. Many fields are already defined. You need to add `tiles` and `description` at minimum. Don't define on_construct without good reason
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- stem_drop: Drop probability table for all stem
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- gourd_itemstring: Desired itemstring of the full gourd node
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- gourd_def: (almost) full definition of the gourd node. This function will add on_construct and after_dig_node to the definition for unconnecting any connected stems
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- grow_interval: Will attempt to grow a gourd periodically at this interval in seconds
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- grow_chance: Chance of 1/grow_chance to grow a gourd next to the full unconnected stem after grow_interval has passed. Must be a natural number
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- connected_stem_texture: Texture of the connected stem
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- gourd_on_construct_extra: Custom on_construct extra function for the gourd. Will be called after the stem check code
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]]
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function mcl_farming:add_gourd(full_unconnected_stem, connected_stem_basename, stem_itemstring, stem_def, stem_drop, gourd_itemstring, gourd_def, grow_interval, grow_chance, connected_stem_texture, gourd_on_construct_extra)
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local connected_stem_names = {
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connected_stem_basename .. "_r",
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connected_stem_basename .. "_l",
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connected_stem_basename .. "_t",
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connected_stem_basename .. "_b",
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}
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local neighbors = {
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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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-- Connect the stem at stempos to the first neighboring gourd block.
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-- No-op if not a stem or no gourd block found
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local try_connect_stem = function(stempos)
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local stem = minetest.get_node(stempos)
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if stem.name ~= full_unconnected_stem then
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return false
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end
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for n=1, #neighbors do
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local offset = neighbors[n]
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local blockpos = vector.add(stempos, offset)
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local block = minetest.get_node(blockpos)
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if block.name == gourd_itemstring then
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if offset.x == 1 then
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minetest.set_node(stempos, {name=connected_stem_names[1]})
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elseif offset.x == -1 then
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minetest.set_node(stempos, {name=connected_stem_names[2]})
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elseif offset.z == 1 then
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minetest.set_node(stempos, {name=connected_stem_names[3]})
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elseif offset.z == -1 then
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minetest.set_node(stempos, {name=connected_stem_names[4]})
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end
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return true
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end
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end
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end
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-- Register gourd
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if not gourd_def.after_dig_node then
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gourd_def.after_dig_node = function(blockpos, oldnode, oldmetadata, user)
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-- Disconnect any connected stems, turning them back to normal stems
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for n=1, #neighbors do
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local offset = neighbors[n]
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local expected_stem = connected_stem_names[n]
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local stempos = vector.add(blockpos, offset)
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local stem = minetest.get_node(stempos)
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if stem.name == expected_stem then
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minetest.add_node(stempos, {name=full_unconnected_stem})
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try_connect_stem(stempos)
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end
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end
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end
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end
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if not gourd_def.on_construct then
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gourd_def.on_construct = function(blockpos)
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-- Connect all unconnected stems at full size
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for n=1, #neighbors do
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local stempos = vector.add(blockpos, neighbors[n])
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try_connect_stem(stempos)
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end
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-- Call custom on_construct
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if gourd_on_construct_extra then
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gourd_on_construct_extra(blockpos)
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end
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end
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end
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minetest.register_node(gourd_itemstring, gourd_def)
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-- Register unconnected stem
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-- Default values for the stem definition
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if not stem_def.selection_box then
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stem_def.selection_box = {
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type = "fixed",
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fixed = {
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{-0.15, -0.5, -0.15, 0.15, 0.5, 0.15}
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},
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}
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end
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if not stem_def.paramtype then
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stem_def.paramtype = "light"
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end
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if not stem_def.drawtype then
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stem_def.drawtype = "plantlike"
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end
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if stem_def.walkable == nil then
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stem_def.walkable = false
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end
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if stem_def.sunlight_propagates == nil then
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stem_def.sunlight_propagates = true
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end
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if stem_def.drop == nil then
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stem_def.drop = stem_drop
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end
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if stem_def.groups == nil then
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stem_def.groups = {dig_immediate=3, not_in_creative_inventory=1, plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,}
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end
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if stem_def.sounds == nil then
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stem_def.sounds = mcl_sounds.node_sound_leaves_defaults()
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end
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if not stem_def.on_construct then
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stem_def.on_construct = function(stempos)
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-- Connect stem to gourd (if possible)
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try_connect_stem(stempos)
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end
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end
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minetest.register_node(stem_itemstring, stem_def)
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-- Register connected stems
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local connected_stem_tiles = {
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{ "blank.png", --top
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"blank.png", -- bottom
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"blank.png", -- right
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"blank.png", -- left
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connected_stem_texture, -- back
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connected_stem_texture.."^[transformFX90" --front
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},
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{ "blank.png", --top
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"blank.png", -- bottom
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"blank.png", -- right
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"blank.png", -- left
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connected_stem_texture.."^[transformFX90", --back
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connected_stem_texture, -- front
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},
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{ "blank.png", --top
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"blank.png", -- bottom
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connected_stem_texture.."^[transformFX90", -- right
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connected_stem_texture, -- left
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"blank.png", --back
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"blank.png", -- front
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},
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{ "blank.png", --top
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"blank.png", -- bottom
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connected_stem_texture, -- right
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connected_stem_texture.."^[transformFX90", -- left
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"blank.png", --back
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"blank.png", -- front
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}
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}
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local connected_stem_nodebox = {
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{-0.5, -0.5, 0, 0.5, 0.5, 0},
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{-0.5, -0.5, 0, 0.5, 0.5, 0},
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{0, -0.5, -0.5, 0, 0.5, 0.5},
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{0, -0.5, -0.5, 0, 0.5, 0.5},
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}
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local connected_stem_selectionbox = {
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{-0.1, -0.5, -0.1, 0.5, 0.2, 0.1},
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{-0.5, -0.5, -0.1, 0.1, 0.2, 0.1},
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{-0.1, -0.5, -0.1, 0.1, 0.2, 0.5},
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{-0.1, -0.5, -0.5, 0.1, 0.2, 0.1},
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}
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for i=1, 4 do
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minetest.register_node(connected_stem_names[i], {
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_doc_items_create_entry = false,
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paramtype = "light",
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sunlight_propagates = true,
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walkable = false,
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drop = stem_drop,
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = connected_stem_nodebox[i]
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},
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selection_box = {
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type = "fixed",
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fixed = connected_stem_selectionbox[i]
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},
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tiles = connected_stem_tiles[i],
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groups = {dig_immediate=3, not_in_creative_inventory=1, plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,},
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sounds = mcl_sounds.node_sound_leaves_defaults(),
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_mcl_blast_resistance = 0,
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})
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if minetest.get_modpath("doc") then
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doc.add_entry_alias("nodes", full_unconnected_stem, "nodes", connected_stem_names[i])
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end
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end
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minetest.register_abm({
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label = "Grow gourd stem to gourd ("..full_unconnected_stem.." → "..gourd_itemstring..")",
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nodenames = {full_unconnected_stem},
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neighbors = {"air"},
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interval = grow_interval,
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chance = grow_chance,
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action = function(stempos)
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local light = minetest.get_node_light(stempos)
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if light and light > 10 then
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-- Check the four neighbors and filter out neighbors where gourds can't grow
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local neighbors = {
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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 floorpos, floor
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for n=#neighbors, 1, -1 do
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local offset = neighbors[n]
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local blockpos = vector.add(stempos, offset)
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floorpos = { x=blockpos.x, y=blockpos.y-1, z=blockpos.z }
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floor = minetest.get_node(floorpos)
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local block = minetest.get_node(blockpos)
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local soilgroup = minetest.get_item_group(floor.name, "soil")
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if not ((minetest.get_item_group(floor.name, "grass_block") == 1 or floor.name=="mcl_core:dirt" or soilgroup == 2 or soilgroup == 3) and block.name == "air") then
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table.remove(neighbors, n)
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end
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end
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-- Gourd needs at least 1 free neighbor to grow
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if #neighbors > 0 then
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-- From the remaining neighbors, grow randomly
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local r = math.random(1, #neighbors)
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local offset = neighbors[r]
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local blockpos = vector.add(stempos, offset)
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local p2
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if offset.x == 1 then
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minetest.set_node(stempos, {name=connected_stem_names[1]})
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p2 = 3
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elseif offset.x == -1 then
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minetest.set_node(stempos, {name=connected_stem_names[2]})
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p2 = 1
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elseif offset.z == 1 then
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minetest.set_node(stempos, {name=connected_stem_names[3]})
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p2 = 2
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elseif offset.z == -1 then
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minetest.set_node(stempos, {name=connected_stem_names[4]})
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p2 = 0
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end
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-- Place the gourd
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if gourd_def.paramtype2 == "facedir" then
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minetest.add_node(blockpos, {name=gourd_itemstring, param2=p2})
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else
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minetest.add_node(blockpos, {name=gourd_itemstring})
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end
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-- Reset farmland, etc. to dirt when the gourd grows on top
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if minetest.get_item_group(floor.name, "dirtifies_below_solid") == 1 then
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minetest.set_node(floorpos, {name = "mcl_core:dirt"})
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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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end
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-- Used for growing gourd stems. Returns the intermediate color between startcolor and endcolor at a step
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-- * startcolor: ColorSpec in table form for the stem in its lowest growing stage
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-- * endcolor: ColorSpec in table form for the stem in its final growing stage
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-- * step: The nth growth step. Counting starts at 1
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-- * step_count: The number of total growth steps
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function mcl_farming:stem_color(startcolor, endcolor, step, step_count)
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local color = {}
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local function get_component(startt, endd, step, step_count)
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return math.floor(math.max(0, math.min(255, (startt + (((step-1)/step_count) * endd)))))
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end
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color.r = get_component(startcolor.r, endcolor.r, step, step_count)
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color.g = get_component(startcolor.g, endcolor.g, step, step_count)
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color.b = get_component(startcolor.b, endcolor.b, step, step_count)
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local colorstring = string.format("#%02X%02X%02X", color.r, color.g, color.b)
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return colorstring
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end
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