81 lines
2.6 KiB
Lua
81 lines
2.6 KiB
Lua
local time_scale = ...
|
|
|
|
-- The growing ABM
|
|
|
|
function biome_lib:grow_plants(opts)
|
|
|
|
local options = opts
|
|
|
|
options.height_limit = options.height_limit or 5
|
|
options.ground_nodes = options.ground_nodes or { "default:dirt_with_grass" }
|
|
options.grow_nodes = options.grow_nodes or { "default:dirt_with_grass" }
|
|
options.seed_diff = options.seed_diff or 0
|
|
|
|
local n
|
|
|
|
if type(options.grow_plant) == "table" then
|
|
n = "multi: "..options.grow_plant[1]..", ..."
|
|
else
|
|
n = options.grow_plant
|
|
end
|
|
|
|
options.label = options.label or "biome_lib grow_plants(): "..n
|
|
|
|
if options.grow_delay*time_scale >= 1 then
|
|
options.interval = options.grow_delay*time_scale
|
|
else
|
|
options.interval = 1
|
|
end
|
|
|
|
minetest.register_abm({
|
|
nodenames = { options.grow_plant },
|
|
interval = options.interval,
|
|
chance = options.grow_chance,
|
|
label = options.label,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
local p_top = {x=pos.x, y=pos.y+1, z=pos.z}
|
|
local p_bot = {x=pos.x, y=pos.y-1, z=pos.z}
|
|
local n_top = minetest.get_node(p_top)
|
|
local n_bot = minetest.get_node(p_bot)
|
|
local root_node = minetest.get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z})
|
|
local walldir = nil
|
|
if options.need_wall and options.verticals_list then
|
|
walldir = biome_lib:find_adjacent_wall(p_top, options.verticals_list, options.choose_random_wall)
|
|
end
|
|
if (n_top.name == "air" or n_top.name == "default:snow")
|
|
and (not options.need_wall or (options.need_wall and walldir)) then
|
|
-- corner case for changing short junglegrass
|
|
-- to dry shrub in desert
|
|
if n_bot.name == options.dry_early_node and options.grow_plant == "junglegrass:short" then
|
|
minetest.swap_node(pos, { name = "default:dry_shrub" })
|
|
|
|
elseif options.grow_vertically and walldir then
|
|
if biome_lib:search_downward(pos, options.height_limit, options.ground_nodes) then
|
|
minetest.swap_node(p_top, { name = options.grow_plant, param2 = walldir})
|
|
end
|
|
|
|
elseif not options.grow_result and not options.grow_function then
|
|
minetest.swap_node(pos, biome_lib.air)
|
|
|
|
else
|
|
biome_lib:replace_object(pos, options.grow_result, options.grow_function, options.facedir, options.seed_diff)
|
|
end
|
|
end
|
|
end
|
|
})
|
|
end
|
|
|
|
|
|
-- spawn_tree() on generate is routed through here so that other mods can hook
|
|
-- into it.
|
|
|
|
function biome_lib:generate_tree(pos, nodes_or_function_or_model)
|
|
minetest.spawn_tree(pos, nodes_or_function_or_model)
|
|
end
|
|
|
|
-- and this one's for the call used in the growing code
|
|
|
|
function biome_lib:grow_tree(pos, nodes_or_function_or_model)
|
|
minetest.spawn_tree(pos, nodes_or_function_or_model)
|
|
end
|