mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-01 22:03:02 +00:00
132 lines
5.3 KiB
Lua
132 lines
5.3 KiB
Lua
local wea = worldeditadditions
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local wea_c = worldeditadditions_core
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local Vector3 = wea_c.Vector3
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local function parse_scale_component(val)
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local result = tonumber(val)
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if result then return true, result end
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if string.find(val, "/") then
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local parts = wea_c.split(val, "/", true)
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local a = tonumber(parts[1])
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local b = tonumber(parts[2])
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if not b then return false, "Invalid number after the forward slash in scale component." end
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if not a then return false, "Invalid number before the forward slash in scale component." end
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return true, a / b
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end
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if string.find(val, "%%") then
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local part = tonumber(string.sub(val, 1, -2))
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if not part then return false, "We thought a scale component was a percentage, but failed to parse percentage as number." end
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return true, part / 100
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end
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return false, "Failed to parse scale component (unrecognised format - we support things like '3', '0.5', '1/10', or '33%' without quotes)."
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end
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-- ███████ ██████ █████ ██ ███████
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-- ██ ██ ██ ██ ██ ██
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-- ███████ ██ ███████ ██ █████
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-- ██ ██ ██ ██ ██ ██
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-- ███████ ██████ ██ ██ ███████ ███████
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wea_c.register_command("scale", {
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params = "<axis> <scale_factor> | <factor_x> [<factor_y> <factor_z> [<anchor_x> <anchor_y> <anchor_z>]]",
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description = "Combined scale up / down. Takes either an axis name + a scale factor (e.g. y 3 or -z 2; negative values swap the anchor point for the scale operation), or 3 scale factor values for x, y, and z respectively. In the latter mode, a set of anchors can also be specified, which indicate which size the scale operation should be anchored to.",
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privs = { worldedit = true },
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require_pos = 2,
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parse = function(params_text)
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if not params_text then params_text = "" end
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local parts = wea_c.split_shell(params_text)
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local scale = Vector3.new(1, 1, 1)
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local anchor = Vector3.new(1, 1, 1)
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if #parts == 2 then
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if not (parts[1] == "x" or parts[1] == "y" or parts[1] == "z"
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or parts[1] == "-x" or parts[1] == "-y" or parts[1] == "-z") then
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return false, "Error: Got 2 arguments, but the first doesn't look like the name of an axis."
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end
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local axis = parts[1]
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local success, factor = parse_scale_component(parts[2])
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if not success then return success, "Error: Invalid scale factor. Details: "..factor end
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if axis:sub(1, 1) == "-" then
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axis = axis:sub(2, 2)
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anchor[axis] = -1
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end
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-- BUG: POTENTIAL BUG HERE
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scale[axis] = factor
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elseif #parts >= 3 then
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local success, val = parse_scale_component(parts[1])
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if not success then return false, "Error: x axis scale factor wasn't a number. Details: "..val end
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scale.x = val
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success, val = parse_scale_component(parts[2])
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if not success then return false, "Error: y axis scale factor wasn't a number. Details: "..val end
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scale.y = val
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success, val = parse_scale_component(parts[3])
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if not success then return false, "Error: z axis scale factor wasn't a number. Details: "..val end
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scale.z = val
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else
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local success, val = parse_scale_component(parts[1])
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if not success then
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return false, "Error: scale factor wasn't a number. Details: "..val
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end
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scale.x = val
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scale.y = val
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scale.z = val
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end
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if #parts == 6 then
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local val = tonumber(parts[4])
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if not val then return false, "Error: x axis anchor wasn't a number." end
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anchor.x = val
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val = tonumber(parts[5])
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if not val then return false, "Error: y axis anchor wasn't a number." end
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anchor.y = val
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val = tonumber(parts[6])
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if not val then return false, "Error: z axis anchor wasn't a number." end
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anchor.z = val
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end
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if scale.x == 0 then return false, "Error: x scale factor was 0" end
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if scale.y == 0 then return false, "Error: y scale factor was 0" end
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if scale.z == 0 then return false, "Error: z scale factor was 0" end
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if anchor.x == 0 then return false, "Error: x axis anchor was 0" end
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if anchor.y == 0 then return false, "Error: y axis anchor was 0" end
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if anchor.z == 0 then return false, "Error: z axis anchor was 0" end
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return true, scale, anchor
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end,
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nodes_needed = function(name, scale, anchor)
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local volume = worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
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local factor = math.ceil(math.abs(scale.x))
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* math.ceil(math.abs(scale.y))
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* math.ceil(math.abs(scale.z))
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return volume * factor
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end,
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func = function(name, scale, anchor)
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local start_time = wea_c.get_ms_time()
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local pos1, pos2 = Vector3.sort(worldedit.pos1[name], worldedit.pos2[name])
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local success, stats = wea.scale(
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pos1, pos2,
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scale, anchor
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)
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if not success then return success, stats end
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wea_c.pos.set1(name, stats.pos1)
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wea_c.pos.set2(name, stats.pos2)
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-- worldedit.pos1[name] = stats.pos1
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-- worldedit.pos2[name] = stats.pos2
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-- worldedit.marker_update(name)
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local time_taken = wea_c.get_ms_time() - start_time
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minetest.log("action", name.." used //scale at "..pos1.." - "..pos2..", updating "..stats.updated.." nodes in "..time_taken.."s")
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return true, stats.updated.." nodes updated in " .. wea_c.format.human_time(time_taken)
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end
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})
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