Add support for autoloading static brushes on server start

This commit is contained in:
Starbeamrainbowlabs 2021-12-31 01:03:56 +00:00
parent 3f1e01a282
commit ec04cc58be
No known key found for this signature in database
GPG Key ID: 1BE5172E637709C2
4 changed files with 125 additions and 1 deletions

@ -0,0 +1,23 @@
local wea = worldeditadditions
local Vector3 = wea.Vector3
local parse_static = dofile(wea.modpath.."/lib/sculpt/parse_static.lua")
--- Reads and parses the brush stored in the specified file.
-- @param filepath string The path to file that contains the static brush to read in.
-- @returns true,table,Vector3|false,string A success boolean, followed either by an error message as a string or the brush (as a table) and it's size (as an X/Y Vector3)
return function(filepath)
local handle = io.open(filepath)
if not handle then
handle:close()
return false, "Error: Failed to open the static brush file at '"..filepath.."'."
end
local data = handle:read("*all")
handle:close()
local success, brush, brush_size = parse_static(data)
if not success then return success, brush end
return true, brush, brush_size
end

@ -14,9 +14,14 @@ local sculpt = {
preview_brush = dofile(wea.modpath.."/lib/sculpt/preview_brush.lua"),
read_brush_static = dofile(wea.modpath.."/lib/sculpt/read_brush_static.lua"),
apply_heightmap = dofile(wea.modpath.."/lib/sculpt/apply_heightmap.lua"),
apply = dofile(wea.modpath.."/lib/sculpt/apply.lua")
apply = dofile(wea.modpath.."/lib/sculpt/apply.lua"),
scan_static = dofile(wea.modpath.."/lib/sculpt/scan_static.lua"),
import_static = dofile(wea.modpath.."/lib/sculpt/import_static.lua"),
parse_static = dofile(wea.modpath.."/lib/sculpt/parse_static.lua")
}
sculpt.scan_static(wea.modpath.."/lib/sculpt/brushes")
return sculpt
-- TODO: Automatically find & register all text file based brushes in the brushes directory

@ -0,0 +1,48 @@
local wea = worldeditadditions
local Vector3 = wea.Vector3
--- Parses a static brush definition.
-- @param source string The source string that contains the static brush, formatted as TSV.
-- @returns true,table,Vector3|false,string A success boolean, followed either by an error message as a string or the brush (as a table) and it's size (as an X/Y Vector3)
return function(source)
local width = -1
local height
local maxvalue, minvalue, range
-- Parse out the TSV into a table of tables, while also parsing values as numbers
-- Also keeps track of the maximum/minimum values found for rescaling later.
local values = wea.table.map(
wea.split(source, "\n", false),
function(line)
local row = wea.split(line, "%s+", false)
width = math.max(width, #row)
return wea.table.map(
row,
function(pixel)
local value = tonumber(pixel)
if not value then value = 0 end
if maxvalue == nil or value > maxvalue then
maxvalue = value
end
if minvalue == nil or value < minvalue then
minvalue = value
end
return value
end
)
end
)
height = #values
range = maxvalue - minvalue
local brush = {}
for y,row in ipairs(values) do
for x,value in ipairs(row) do
local i = (y-1)*width + (x-1)
brush[i] = (value - minvalue) / range
end
end
return true, brush, Vector3.new(width, height, 0)
end

@ -0,0 +1,48 @@
local wea = worldeditadditions
local Vector3 = wea.Vector3
local import_static = dofile(wea.modpath.."/lib/sculpt/import_static.lua")
local function import_filepath(filepath, name, overwrite_existing)
if overwrite_existing and wea.sculpt.brushes[name] ~= nil then
return false, "Error: A brush with the name '"..name.."' already exists."
end
local success, brush, brush_size = import_static(filepath)
if not success then return success, "Error while reading from '"..filepath.."': "..brush end
wea.sculpt.brushes[name] = {
brush = brush,
size = brush_size
}
return true
end
--- Scans the given directory and imports all static brushes found.
-- Static brushes have the file extension ".brush.tsv" (without quotes).
-- @param dirpath string The path to directory that contains the static brushs to import.
-- @returns bool,loaded,errors A success boolean, followed by the number of brushes loaded, followed by the number of errors encountered while loading brushes (errors are logged as warnings with Minetest)
return function(dirpath, overwrite_existing)
if overwrite_existing == nil then overwrite_existing = false end
local files = wea.io.scandir_files(dirpath)
local brushes_loaded = 0
local errors = 0
for filename in pairs(files) do
if wea.str_ends(filename, ".brush.tsv") then
local filepath = dirpath.."/"..filename
local name = filepath:gsub(".brush.tsv", "")
local success, msg = import_filepath(filepath, name, overwrite_existing)
if not success then
minetest.log("warning", "[WorldEditAdditions:sculpt] Encountered error when loading brush from '"..filepath.."':"..msg)
end
brushes_loaded = brushes_loaded + 1
end
end
return true, brushes_loaded, errors
end