MineClone2/mods/ITEMS/mcl_farming/gourd.lua

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--[[ Helper function to create a gourd (e.g. melon, pumpkin), the connected stem nodes as
- full_unconnected_stem: itemstring of the full-grown but unconnceted stem node. This node must already be done
- connected_stem_basename: prefix of the itemstrings used for the 4 connected stem nodes to create
- stemdrop: Drop probability table for all stem
- gourd_itemstring: Desired itemstring of the full gourd node
- gourd_def: (almost) full definition of the gourd node, except for
]]
function mcl_farming.register_gourd(full_unconnected_stem, connected_stem_basename, stemdrop, gourd_itemstring, gourd_def)
local connected_stem_names = {
connected_stem_basename .. "_r",
connected_stem_basename .. "_l",
connected_stem_basename .. "_t",
connected_stem_basename .. "_b",
}
-- Register gourd
if not gourd_def.after_dig_node then
gourd_def.after_dig_node = function(blockpos, oldnode, oldmetadata, user)
-- Disconnect any connected stems, turning them back to normal stems
local neighbors = {
{ x=-1, y=0, z=0 },
{ x=1, y=0, z=0 },
{ x=0, y=0, z=-1 },
{ x=0, y=0, z=1 },
}
for n=1, #neighbors do
local offset = neighbors[n]
local expected_stem = connected_stem_names[n]
local stempos = vector.add(blockpos, offset)
local stem = minetest.get_node(stempos)
if stem.name == expected_stem then
minetest.add_node(stempos, {name=full_unconnected_stem})
end
end
end
end
minetest.register_node(gourd_itemstring, gourd_def)
-- Register connected stems
local connected_stem_tiles = {
{ "blank.png", --top
"blank.png", -- bottom
"blank.png", -- right
"blank.png", -- left
"farming_tige_connect.png", -- back
"farming_tige_connect.png^[transformFX90" --front
},
{ "blank.png", --top
"blank.png", -- bottom
"blank.png", -- right
"blank.png", -- left
"farming_tige_connect.png^[transformFX90", --back
"farming_tige_connect.png", -- front
},
{ "blank.png", --top
"blank.png", -- bottom
"farming_tige_connect.png^[transformFX90", -- right
"farming_tige_connect.png", -- left
"blank.png", --back
"blank.png", -- front
},
{ "blank.png", --top
"blank.png", -- bottom
"farming_tige_connect.png", -- right
"farming_tige_connect.png^[transformFX90", -- left
"blank.png", --back
"blank.png", -- front
}
}
local connected_stem_nodebox = {
{-0.5, -0.5, 0, 0.5, 0.5, 0},
{-0.5, -0.5, 0, 0.5, 0.5, 0},
{0, -0.5, -0.5, 0, 0.5, 0.5},
{0, -0.5, -0.5, 0, 0.5, 0.5},
}
for i=1, 4 do
minetest.register_node(connected_stem_names[i], {
_doc_items_create_entry = false,
paramtype = "light",
sunlight_propagates = true,
walkable = false,
drop = stemdrop,
drawtype = "nodebox",
paramtype = "light",
node_box = {
type = "fixed",
fixed = connected_stem_nodebox[i]
},
selection_box = {
type = "fixed",
fixed = {-0.2, -0.5, -0.2, 0.2, 0.2, 0.2}
},
tiles = connected_stem_tiles[i],
groups = {dig_immediate=3, not_in_creative_inventory=1 ,dig_by_water=1},
sounds = mcl_sounds.node_sound_leaves_defaults(),
_mcl_blast_resistance = 0,
})
end
minetest.register_abm({
label = "Grow gourd stem to gourd ("..full_unconnected_stem..""..gourd_itemstring..")",
nodenames = {full_unconnected_stem},
neighbors = {"air"},
-- FIXME: Times
interval = 1,
chance = 1,
action = function(stempos)
local light = minetest.get_node_light(stempos)
if light and light > 10 then
-- Check the four neighbors and filter out neighbors where gourds can't grow
local neighbors = {
{ x=-1, y=0, z=0 },
{ x=1, y=0, z=0 },
{ x=0, y=0, z=-1 },
{ x=0, y=0, z=1 },
}
for n=#neighbors, 1, -1 do
local offset = neighbors[n]
local blockpos = vector.add(stempos, offset)
local floorpos = { x=blockpos.x, y=blockpos.y-1, z=blockpos.z }
local floor = minetest.get_node(floorpos)
local block = minetest.get_node(blockpos)
local soilgroup = minetest.get_item_group(floor.name, "soil")
if not ((floor.name=="mcl_core:dirt_with_grass" or floor.name=="mcl_core:dirt" or soilgroup == 2 or soilgroup == 3) and block.name == "air") then
table.remove(neighbors, n)
end
end
-- Pumpkins need at least 1 free neighbor to grow
if #neighbors > 0 then
-- From the remaining neighbors, grow randomly
local r = math.random(1, #neighbors)
local offset = neighbors[r]
local blockpos = vector.add(stempos, offset)
local p2
if offset.x == 1 then
minetest.set_node(stempos, {name=connected_stem_names[1]})
p2 = 3
elseif offset.x == -1 then
minetest.set_node(stempos, {name=connected_stem_names[2]})
p2 = 1
elseif offset.z == 1 then
minetest.set_node(stempos, {name=connected_stem_names[3]})
p2 = 2
elseif offset.z == -1 then
minetest.set_node(stempos, {name=connected_stem_names[4]})
p2 = 0
end
minetest.add_node(blockpos, {name=gourd_itemstring, param2=p2})
end
end
end,
})
end