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minetest_game/mods/flowers/init.lua
tenplus1 642fde44f1
Use group for mushroom spread ABM (#2863)
Have mushroom spread abm use group:mushroom to spread not only default red and brown but all defined shrooms.
2021-05-08 14:42:34 +02:00

337 lines
8.8 KiB
Lua

-- flowers/init.lua
-- Minetest 0.4 mod: default
-- See README.txt for licensing and other information.
-- Namespace for functions
flowers = {}
-- Load support for MT game translation.
local S = minetest.get_translator("flowers")
-- Map Generation
dofile(minetest.get_modpath("flowers") .. "/mapgen.lua")
--
-- Flowers
--
-- Aliases for original flowers mod
minetest.register_alias("flowers:flower_rose", "flowers:rose")
minetest.register_alias("flowers:flower_tulip", "flowers:tulip")
minetest.register_alias("flowers:flower_dandelion_yellow", "flowers:dandelion_yellow")
minetest.register_alias("flowers:flower_geranium", "flowers:geranium")
minetest.register_alias("flowers:flower_viola", "flowers:viola")
minetest.register_alias("flowers:flower_dandelion_white", "flowers:dandelion_white")
-- Flower registration
local function add_simple_flower(name, desc, box, f_groups)
-- Common flowers' groups
f_groups.snappy = 3
f_groups.flower = 1
f_groups.flora = 1
f_groups.attached_node = 1
minetest.register_node("flowers:" .. name, {
description = desc,
drawtype = "plantlike",
waving = 1,
tiles = {"flowers_" .. name .. ".png"},
inventory_image = "flowers_" .. name .. ".png",
wield_image = "flowers_" .. name .. ".png",
sunlight_propagates = true,
paramtype = "light",
walkable = false,
buildable_to = true,
groups = f_groups,
sounds = default.node_sound_leaves_defaults(),
selection_box = {
type = "fixed",
fixed = box
}
})
end
flowers.datas = {
{
"rose",
S("Red Rose"),
{-2 / 16, -0.5, -2 / 16, 2 / 16, 5 / 16, 2 / 16},
{color_red = 1, flammable = 1}
},
{
"tulip",
S("Orange Tulip"),
{-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
{color_orange = 1, flammable = 1}
},
{
"dandelion_yellow",
S("Yellow Dandelion"),
{-4 / 16, -0.5, -4 / 16, 4 / 16, -2 / 16, 4 / 16},
{color_yellow = 1, flammable = 1}
},
{
"chrysanthemum_green",
S("Green Chrysanthemum"),
{-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
{color_green = 1, flammable = 1}
},
{
"geranium",
S("Blue Geranium"),
{-2 / 16, -0.5, -2 / 16, 2 / 16, 2 / 16, 2 / 16},
{color_blue = 1, flammable = 1}
},
{
"viola",
S("Viola"),
{-5 / 16, -0.5, -5 / 16, 5 / 16, -1 / 16, 5 / 16},
{color_violet = 1, flammable = 1}
},
{
"dandelion_white",
S("White Dandelion"),
{-5 / 16, -0.5, -5 / 16, 5 / 16, -2 / 16, 5 / 16},
{color_white = 1, flammable = 1}
},
{
"tulip_black",
S("Black Tulip"),
{-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
{color_black = 1, flammable = 1}
},
}
for _,item in pairs(flowers.datas) do
add_simple_flower(unpack(item))
end
-- Flower spread
-- Public function to enable override by mods
function flowers.flower_spread(pos, node)
pos.y = pos.y - 1
local under = minetest.get_node(pos)
pos.y = pos.y + 1
-- Replace flora with dry shrub in desert sand and silver sand,
-- as this is the only way to generate them.
-- However, preserve grasses in sand dune biomes.
if minetest.get_item_group(under.name, "sand") == 1 and
under.name ~= "default:sand" then
minetest.set_node(pos, {name = "default:dry_shrub"})
return
end
if minetest.get_item_group(under.name, "soil") == 0 then
return
end
local light = minetest.get_node_light(pos)
if not light or light < 13 then
return
end
local pos0 = vector.subtract(pos, 4)
local pos1 = vector.add(pos, 4)
-- Testing shows that a threshold of 3 results in an appropriate maximum
-- density of approximately 7 flora per 9x9 area.
if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
return
end
local soils = minetest.find_nodes_in_area_under_air(
pos0, pos1, "group:soil")
local num_soils = #soils
if num_soils >= 1 then
for si = 1, math.min(3, num_soils) do
local soil = soils[math.random(num_soils)]
local soil_name = minetest.get_node(soil).name
local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
light = minetest.get_node_light(soil_above)
if light and light >= 13 and
-- Only spread to same surface node
soil_name == under.name and
-- Desert sand is in the soil group
soil_name ~= "default:desert_sand" then
minetest.set_node(soil_above, {name = node.name})
end
end
end
end
minetest.register_abm({
label = "Flower spread",
nodenames = {"group:flora"},
interval = 13,
chance = 300,
action = function(...)
flowers.flower_spread(...)
end,
})
--
-- Mushrooms
--
minetest.register_node("flowers:mushroom_red", {
description = S("Red Mushroom"),
tiles = {"flowers_mushroom_red.png"},
inventory_image = "flowers_mushroom_red.png",
wield_image = "flowers_mushroom_red.png",
drawtype = "plantlike",
paramtype = "light",
sunlight_propagates = true,
walkable = false,
buildable_to = true,
groups = {mushroom = 1, snappy = 3, attached_node = 1, flammable = 1},
sounds = default.node_sound_leaves_defaults(),
on_use = minetest.item_eat(-5),
selection_box = {
type = "fixed",
fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
}
})
minetest.register_node("flowers:mushroom_brown", {
description = S("Brown Mushroom"),
tiles = {"flowers_mushroom_brown.png"},
inventory_image = "flowers_mushroom_brown.png",
wield_image = "flowers_mushroom_brown.png",
drawtype = "plantlike",
paramtype = "light",
sunlight_propagates = true,
walkable = false,
buildable_to = true,
groups = {mushroom = 1, food_mushroom = 1, snappy = 3, attached_node = 1, flammable = 1},
sounds = default.node_sound_leaves_defaults(),
on_use = minetest.item_eat(1),
selection_box = {
type = "fixed",
fixed = {-3 / 16, -0.5, -3 / 16, 3 / 16, -2 / 16, 3 / 16},
}
})
-- Mushroom spread and death
function flowers.mushroom_spread(pos, node)
if minetest.get_node_light(pos, 0.5) > 3 then
if minetest.get_node_light(pos, nil) == 15 then
minetest.remove_node(pos)
end
return
end
local positions = minetest.find_nodes_in_area_under_air(
{x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
{"group:soil", "group:tree"})
if #positions == 0 then
return
end
local pos2 = positions[math.random(#positions)]
pos2.y = pos2.y + 1
if minetest.get_node_light(pos2, 0.5) <= 3 then
minetest.set_node(pos2, {name = node.name})
end
end
minetest.register_abm({
label = "Mushroom spread",
nodenames = {"group:mushroom"},
interval = 11,
chance = 150,
action = function(...)
flowers.mushroom_spread(...)
end,
})
-- These old mushroom related nodes can be simplified now
minetest.register_alias("flowers:mushroom_spores_brown", "flowers:mushroom_brown")
minetest.register_alias("flowers:mushroom_spores_red", "flowers:mushroom_red")
minetest.register_alias("flowers:mushroom_fertile_brown", "flowers:mushroom_brown")
minetest.register_alias("flowers:mushroom_fertile_red", "flowers:mushroom_red")
minetest.register_alias("mushroom:brown_natural", "flowers:mushroom_brown")
minetest.register_alias("mushroom:red_natural", "flowers:mushroom_red")
--
-- Waterlily
--
local waterlily_def = {
description = S("Waterlily"),
drawtype = "nodebox",
paramtype = "light",
paramtype2 = "facedir",
tiles = {"flowers_waterlily.png", "flowers_waterlily_bottom.png"},
inventory_image = "flowers_waterlily.png",
wield_image = "flowers_waterlily.png",
use_texture_alpha = "clip",
liquids_pointable = true,
walkable = false,
buildable_to = true,
floodable = true,
groups = {snappy = 3, flower = 1, flammable = 1},
sounds = default.node_sound_leaves_defaults(),
node_placement_prediction = "",
node_box = {
type = "fixed",
fixed = {-0.5, -31 / 64, -0.5, 0.5, -15 / 32, 0.5}
},
selection_box = {
type = "fixed",
fixed = {-7 / 16, -0.5, -7 / 16, 7 / 16, -15 / 32, 7 / 16}
},
on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
local node = minetest.get_node(pointed_thing.under)
local def = minetest.registered_nodes[node.name]
if def and def.on_rightclick then
return def.on_rightclick(pointed_thing.under, node, placer, itemstack,
pointed_thing)
end
if def and def.liquidtype == "source" and
minetest.get_item_group(node.name, "water") > 0 then
local player_name = placer and placer:get_player_name() or ""
if not minetest.is_protected(pos, player_name) then
minetest.set_node(pos, {name = "flowers:waterlily" ..
(def.waving == 3 and "_waving" or ""),
param2 = math.random(0, 3)})
if not minetest.is_creative_enabled(player_name) then
itemstack:take_item()
end
else
minetest.chat_send_player(player_name, "Node is protected")
minetest.record_protection_violation(pos, player_name)
end
end
return itemstack
end
}
local waterlily_waving_def = table.copy(waterlily_def)
waterlily_waving_def.waving = 3
waterlily_waving_def.drop = "flowers:waterlily"
waterlily_waving_def.groups.not_in_creative_inventory = 1
minetest.register_node("flowers:waterlily", waterlily_def)
minetest.register_node("flowers:waterlily_waving", waterlily_waving_def)