Minetest-WorldEditAdditions/worldeditadditions_commands/commands/forest.lua
2021-02-24 19:35:20 -08:00

55 lines
3.1 KiB
Lua

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worldedit.register_command("forest", {
params = "[<density>] <sapling_a> [<chance_a>] <sapling_b> [<chance_b>] [<sapling_N> [<chance_N>]] ...",
description = "Plants and grows trees in the defined region according to the given list of sapling names and chances and density factor. The density controls the relative density of the resulting forest, and defaults to 1 (floating-point numbers allowed). Higher chance numbers result in a lower relative chance with respect to other saplings in the list. Saplings that fail to grow are subsequently removed (this will affect pre-existing saplings too).",
privs = { worldedit = true },
require_pos = 2,
parse = function(params_text)
local density = 1
local match_start = params_text:match("^[%d.]+%s+")
if match_start then
density = tonumber(match_start)
params_text = params_text:sub(#match_start + 1) -- everything starts at 1 in Lua :-/
end
local success, sapling_list = worldeditadditions.parse_weighted_nodes(
worldeditadditions.split(params_text, "%s+", false),
false,
function(name)
return worldedit.normalize_nodename(
worldeditadditions.normalise_saplingname(name)
)
end
)
if not success then return success, sapling_list end
return success, density, sapling_list
end,
nodes_needed = function(name)
-- //overlay only modifies up to 1 node per column in the selected region
local pos1, pos2 = worldedit.sort_pos(worldedit.pos1[name], worldedit.pos2[name])
return (pos2.x - pos1.x) * (pos2.y - pos1.y)
end,
func = function(name, density, sapling_list)
local start_time = worldeditadditions.get_ms_time()
local success, stats = worldeditadditions.forest(
worldedit.pos1[name], worldedit.pos2[name],
density,
sapling_list
)
if not success then return success, stats end
local time_taken = worldeditadditions.human_time(worldeditadditions.get_ms_time() - start_time)
local distribution_display = worldeditadditions.make_ascii_table(
worldeditadditions.node_distribution_to_list(stats.placed, stats.successes)
)
minetest.log("action", name.." used //forest at "..worldeditadditions.vector.tostring(worldedit.pos1[name]).." - "..worldeditadditions.vector.tostring(worldedit.pos2[name])..", "..stats.successes.." trees placed, averaging "..stats.attempts_avg.." growth attempts / tree and "..stats.failures.." failed attempts in "..time_taken)
return true, distribution_display.."\n=========================\n"..stats.successes.." trees placed, averaging "..stats.attempts_avg.." growth attempts / tree and "..stats.failures.." failed attempts in "..time_taken
end
})