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https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-27 17:43:53 +01:00
Add support for autoloading static brushes on server start
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parent
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commit
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23
worldeditadditions/lib/sculpt/import_static.lua
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23
worldeditadditions/lib/sculpt/import_static.lua
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@ -0,0 +1,23 @@
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local wea = worldeditadditions
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local Vector3 = wea.Vector3
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local parse_static = dofile(wea.modpath.."/lib/sculpt/parse_static.lua")
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--- Reads and parses the brush stored in the specified file.
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-- @param filepath string The path to file that contains the static brush to read in.
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-- @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)
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return function(filepath)
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local handle = io.open(filepath)
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if not handle then
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handle:close()
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return false, "Error: Failed to open the static brush file at '"..filepath.."'."
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end
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local data = handle:read("*all")
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handle:close()
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local success, brush, brush_size = parse_static(data)
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if not success then return success, brush end
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return true, brush, brush_size
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end
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@ -14,9 +14,14 @@ local sculpt = {
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preview_brush = dofile(wea.modpath.."/lib/sculpt/preview_brush.lua"),
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preview_brush = dofile(wea.modpath.."/lib/sculpt/preview_brush.lua"),
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read_brush_static = dofile(wea.modpath.."/lib/sculpt/read_brush_static.lua"),
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read_brush_static = dofile(wea.modpath.."/lib/sculpt/read_brush_static.lua"),
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apply_heightmap = dofile(wea.modpath.."/lib/sculpt/apply_heightmap.lua"),
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apply_heightmap = dofile(wea.modpath.."/lib/sculpt/apply_heightmap.lua"),
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apply = dofile(wea.modpath.."/lib/sculpt/apply.lua")
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apply = dofile(wea.modpath.."/lib/sculpt/apply.lua"),
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scan_static = dofile(wea.modpath.."/lib/sculpt/scan_static.lua"),
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import_static = dofile(wea.modpath.."/lib/sculpt/import_static.lua"),
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parse_static = dofile(wea.modpath.."/lib/sculpt/parse_static.lua")
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}
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}
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sculpt.scan_static(wea.modpath.."/lib/sculpt/brushes")
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return sculpt
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return sculpt
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-- TODO: Automatically find & register all text file based brushes in the brushes directory
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-- TODO: Automatically find & register all text file based brushes in the brushes directory
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48
worldeditadditions/lib/sculpt/parse_static.lua
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48
worldeditadditions/lib/sculpt/parse_static.lua
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@ -0,0 +1,48 @@
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local wea = worldeditadditions
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local Vector3 = wea.Vector3
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--- Parses a static brush definition.
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-- @param source string The source string that contains the static brush, formatted as TSV.
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-- @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)
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return function(source)
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local width = -1
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local height
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local maxvalue, minvalue, range
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-- Parse out the TSV into a table of tables, while also parsing values as numbers
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-- Also keeps track of the maximum/minimum values found for rescaling later.
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local values = wea.table.map(
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wea.split(source, "\n", false),
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function(line)
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local row = wea.split(line, "%s+", false)
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width = math.max(width, #row)
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return wea.table.map(
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row,
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function(pixel)
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local value = tonumber(pixel)
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if not value then value = 0 end
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if maxvalue == nil or value > maxvalue then
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maxvalue = value
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end
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if minvalue == nil or value < minvalue then
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minvalue = value
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end
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return value
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end
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)
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end
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)
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height = #values
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range = maxvalue - minvalue
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local brush = {}
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for y,row in ipairs(values) do
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for x,value in ipairs(row) do
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local i = (y-1)*width + (x-1)
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brush[i] = (value - minvalue) / range
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end
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end
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return true, brush, Vector3.new(width, height, 0)
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end
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48
worldeditadditions/lib/sculpt/scan_static.lua
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48
worldeditadditions/lib/sculpt/scan_static.lua
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@ -0,0 +1,48 @@
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local wea = worldeditadditions
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local Vector3 = wea.Vector3
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local import_static = dofile(wea.modpath.."/lib/sculpt/import_static.lua")
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local function import_filepath(filepath, name, overwrite_existing)
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if overwrite_existing and wea.sculpt.brushes[name] ~= nil then
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return false, "Error: A brush with the name '"..name.."' already exists."
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end
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local success, brush, brush_size = import_static(filepath)
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if not success then return success, "Error while reading from '"..filepath.."': "..brush end
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wea.sculpt.brushes[name] = {
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brush = brush,
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size = brush_size
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}
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return true
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end
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--- Scans the given directory and imports all static brushes found.
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-- Static brushes have the file extension ".brush.tsv" (without quotes).
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-- @param dirpath string The path to directory that contains the static brushs to import.
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-- @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)
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return function(dirpath, overwrite_existing)
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if overwrite_existing == nil then overwrite_existing = false end
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local files = wea.io.scandir_files(dirpath)
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local brushes_loaded = 0
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local errors = 0
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for filename in pairs(files) do
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if wea.str_ends(filename, ".brush.tsv") then
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local filepath = dirpath.."/"..filename
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local name = filepath:gsub(".brush.tsv", "")
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local success, msg = import_filepath(filepath, name, overwrite_existing)
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if not success then
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minetest.log("warning", "[WorldEditAdditions:sculpt] Encountered error when loading brush from '"..filepath.."':"..msg)
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end
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brushes_loaded = brushes_loaded + 1
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end
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end
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return true, brushes_loaded, errors
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end
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