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day 03-19: add horrible tree growth

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This commit is contained in:
Aleksey Chubukov 2023-03-20 00:47:19 +03:00
parent d1c1c3bfac
commit 6c384cbc26
3 changed files with 81 additions and 7 deletions
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2
.luacheckrc
View File

@ -9,7 +9,7 @@ globals = {
read_globals = {
string = {fields = {"split"}},
table = {fields = {"copy", "getn"}},
table = {fields = {"copy", "getn", "shuffle"}},
-- Builtin
"vector", "ItemStack",

65
mods/ebiometrees/sapling.lua
View File

@ -1,8 +1,13 @@
ebiometrees = {}
ebiometrees.directions = {
up = vector.new( 0, 1, 0),
down = vector.new( 0, -1, 0),
north = vector.new( 0, 0, 1),
east = vector.new( 1, 0, 0),
south = vector.new( 0, 0, -1),
west = vector.new(-1, 0, 0)
}
function ebiometrees.is_leaves_can_grow_here(pos)
return false
end
function ebiometrees.grow_closure(nextstage)
local function growtree(pos)
@ -11,7 +16,38 @@ function ebiometrees.grow_closure(nextstage)
return growtree
end
function ebiometrees.leaves_grower(leaves_name)
function ebiometrees.where_to_grow_trunk_closure(grow_preferences, leaves_name)
local function where_to_grow_trunk(pos)
for _, directions in ipairs(grow_preferences)
do
table.shuffle(directions)
local candidate_dir = directions[1]
local candidate = vector.copy(pos):add(candidate_dir)
local node = minetest.get_node_or_nil(candidate)
if node and node.name == leaves_name
then
return candidate
end
end
end
return where_to_grow_trunk
end
function ebiometrees.grow_trunk_closure(trunk_terminal_name, grow_preferences, leaves_name)
local function grow_trunk(pos)
local where = ebiometrees.where_to_grow_trunk_closure(
grow_preferences, leaves_name
)
local there = where(pos)
if there
then
minetest.set_node(there, {name=trunk_terminal_name})
end
end
return grow_trunk
end
function ebiometrees.grow_leaves_closure(leaves_name)
local function grow_leaves(pos)
local free_node = minetest.find_node_near(pos, 1, "air")
if free_node
@ -23,6 +59,27 @@ function ebiometrees.leaves_grower(leaves_name)
return grow_leaves
end
function ebiometrees.tree_grower(leaves_name, grow_preferences, terminal_name, nextstage, age_max)
local grow_trunk = ebiometrees.grow_trunk_closure(terminal_name, grow_preferences, leaves_name)
local grow_leaves = ebiometrees.grow_leaves_closure(leaves_name)
local function grow_tree(pos)
local meta = minetest.get_meta(pos)
meta:set_int("ebiometrees:age", meta:get_int("ebiometrees:age")+1)
grow_trunk(pos)
grow_leaves(pos)
if nextstage
then
if meta:get_int("ebiometrees:age") > age_max
then
minetest.set_node(pos, {name=nextstage})
end
end
return true
end
return grow_tree
end
function ebiometrees.root_sapling(pos)
minetest.set_node(pos, {name="ebiome:oak_sprout"})
return false

21
mods/ebiometrees/tree.lua
View File

@ -1,5 +1,8 @@
local function growth_timer(pos)
minetest.get_node_timer(pos):start(3)
local meta = minetest.get_meta(pos)
meta:set_int("ebiometrees:age", 0)
meta:mark_as_private("ebiometrees:age")
end
@ -61,6 +64,7 @@ function ebiometrees.register_tree(modname, basename, data)
-- registers corresponding trunk nodes
local trunk_groups = table.copy(data.groups)
trunk_groups.choppy = 2 -- TODO: customizations
trunk_groups.treetrunk = 1
local trunk_types = {"growing", "normal"}
local trunk_subtypes = {"terminal", "straight", "corner",
"tjunction", "t2junction", "xjunction",
@ -137,8 +141,21 @@ function ebiometrees.register_tree(modname, basename, data)
}
if trunk_type == "growing"
then
nodespec.on_timer = ebiometrees.leaves_grower(
modname..":"..basename.."_leaves")
nodespec.on_timer = ebiometrees.tree_grower(
modname..":"..basename.."_leaves",
{
{ebiometrees.directions.up},
{
ebiometrees.directions.north,
ebiometrees.directions.east,
ebiometrees.directions.south,
ebiometrees.directions.west
}
},
modname..":"..basename.."_trunk_growing_terminal",
modname..":"..basename.."_trunk_normal_"..trunk_subtype,
20
)
end
minetest.register_node(
modname..":"..basename.."_trunk_"..trunk_type.."_"..trunk_subtype,