mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-08-21 05:54:06 +02:00
Fix a ton of bugs but there are lots more to go.....
This commit is contained in:
parent
cdba38d37d
commit
acb288b984
@ -7,6 +7,7 @@
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worldeditadditions = {}
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worldeditadditions = {}
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worldeditadditions.modpath = minetest.get_modpath("worldeditadditions")
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worldeditadditions.modpath = minetest.get_modpath("worldeditadditions")
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dofile(worldeditadditions.modpath.."/utils/vector.lua")
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dofile(worldeditadditions.modpath.."/utils/strings.lua")
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dofile(worldeditadditions.modpath.."/utils/strings.lua")
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dofile(worldeditadditions.modpath.."/utils/numbers.lua")
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dofile(worldeditadditions.modpath.."/utils/numbers.lua")
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dofile(worldeditadditions.modpath.."/utils/nodes.lua")
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dofile(worldeditadditions.modpath.."/utils/nodes.lua")
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@ -14,7 +15,6 @@ dofile(worldeditadditions.modpath.."/utils/tables.lua")
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dofile(worldeditadditions.modpath.."/utils/terrain.lua")
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dofile(worldeditadditions.modpath.."/utils/terrain.lua")
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dofile(worldeditadditions.modpath.."/utils/raycast_adv.lua") -- For the farwand
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dofile(worldeditadditions.modpath.."/utils/raycast_adv.lua") -- For the farwand
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dofile(worldeditadditions.modpath.."/utils.lua")
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dofile(worldeditadditions.modpath.."/lib/floodfill.lua")
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dofile(worldeditadditions.modpath.."/lib/floodfill.lua")
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dofile(worldeditadditions.modpath.."/lib/overlay.lua")
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dofile(worldeditadditions.modpath.."/lib/overlay.lua")
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dofile(worldeditadditions.modpath.."/lib/layers.lua")
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dofile(worldeditadditions.modpath.."/lib/layers.lua")
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@ -25,6 +25,7 @@ dofile(worldeditadditions.modpath.."/lib/replacemix.lua")
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dofile(worldeditadditions.modpath.."/lib/maze2d.lua")
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dofile(worldeditadditions.modpath.."/lib/maze2d.lua")
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dofile(worldeditadditions.modpath.."/lib/maze3d.lua")
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dofile(worldeditadditions.modpath.."/lib/maze3d.lua")
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dofile(worldeditadditions.modpath.."/lib/conv/conv.lua")
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dofile(worldeditadditions.modpath.."/lib/conv/conv.lua")
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dofile(worldeditadditions.modpath.."/lib/erode/erode.lua")
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dofile(worldeditadditions.modpath.."/lib/count.lua")
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dofile(worldeditadditions.modpath.."/lib/count.lua")
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@ -75,45 +75,11 @@ function worldeditadditions.convolve(pos1, pos2, kernel, kernel_size)
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-- worldeditadditions.print_2d(heightmap, (pos2.z - pos1.z) + 1)
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-- worldeditadditions.print_2d(heightmap, (pos2.z - pos1.z) + 1)
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-- print("transformed")
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-- print("transformed")
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-- worldeditadditions.print_2d(heightmap_conv, (pos2.z - pos1.z) + 1)
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-- worldeditadditions.print_2d(heightmap_conv, (pos2.z - pos1.z) + 1)
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-- It seems to be convolving as intended, but something's probably getting lost in translation below
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for z = heightmap_size[0], 0, -1 do
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worldeditadditions.apply_heightmap_changes(
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for x = heightmap_size[1], 0, -1 do
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pos1, pos2, area, data,
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local hi = z*heightmap_size[1] + x
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heightmap, heightmap_conv, heightmap_size
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)
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local height_old = heightmap[hi]
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local height_new = heightmap_conv[hi]
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-- print("[conv/save] hi", hi, "height_old", heightmap[hi], "height_new", heightmap_conv[hi], "z", z, "x", x, "pos1.y", pos1.y)
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-- Lua doesn't have a continue statement :-/
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if height_old == height_new then
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-- noop
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elseif height_new < height_old then
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stats.removed = stats.removed + (height_old - height_new)
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local y = height_new
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while y < height_old do
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local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
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-- print("[conv/save] remove at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
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data[ci] = node_id_air
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y = y + 1
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end
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else -- height_new > height_old
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-- We subtract one because the heightmap starts at 1 (i.e. 1 = 1 node in the column), but the selected region is inclusive
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local node_id = data[area:index(pos1.x + x, pos1.y + (height_old - 1), pos1.z + z)]
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-- print("[conv/save] filling with ", node_id, "→", minetest.get_name_from_content_id(node_id))
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stats.added = stats.added + (height_new - height_old)
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local y = height_old
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while y < height_new do
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local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
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-- print("[conv/save] add at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
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data[ci] = node_id
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y = y + 1
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end
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end
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end
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end
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worldedit.manip_helpers.finish(manip, data)
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worldedit.manip_helpers.finish(manip, data)
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@ -1,3 +1,39 @@
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worldeditadditions.erode = {}
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worldeditadditions.erode = {}
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dofile(worldeditadditions.modpath.."/lib/erode/snowballs.lua")
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dofile(worldeditadditions.modpath.."/lib/erode/snowballs.lua")
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function worldeditadditions.erode.run(pos1, pos2, algorithm, params)
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pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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local manip, area = worldedit.manip_helpers.init(pos1, pos2)
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local data = manip:get_data()
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local heightmap_size = {}
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heightmap_size[0] = (pos2.z - pos1.z) + 1
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heightmap_size[1] = (pos2.x - pos1.x) + 1
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local heightmap = worldeditadditions.make_heightmap(pos1, pos2, manip, area, data)
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local heightmap_eroded = worldeditadditions.shallowcopy(heightmap)
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print("[erode.run] algorithm: "..algorithm..", params:");
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print(worldeditadditions.map_stringify(params))
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worldeditadditions.print_2d(heightmap, heightmap_size[1])
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if algorithm == "snowballs" then
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local success, msg = worldeditadditions.erode.snowballs(heightmap_eroded, heightmap_size, params)
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if not success then return success, msg end
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else
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return false, "Error: Unknown algorithm '"..algorithm.."'. Currently implemented algorithms: snowballs (2d; hydraulic-like). Ideas for algorithms to implement are welcome!"
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end
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local success, msg = worldeditadditions.apply_heightmap_changes(
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pos1, pos2, area, data,
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heightmap, heightmap_eroded, heightmap_size
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)
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if not success then return success, msg end
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worldedit.manip_helpers.finish(manip, data)
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return true, stats
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end
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@ -1,32 +1,3 @@
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--[[
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2D erosion algorithm based on snowballs
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Note that this *mutates* the given heightmap.
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@source https://jobtalle.com/simulating_hydraulic_erosion.html
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]]--
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function worldeditadditions.erode.snowballs(heightmap, heightmap_size, params)
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-- Apply the default settings
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worldeditadditions.table_apply({
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rate_deposit = 0.03,
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rate_erosion = 0.04,
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friction = 0.07,
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speed = 0.15,
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radius = 0.8,
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snowball_max_steps = 80,
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scale_iterations = 0.04,
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drops_per_cell = 0.4,
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snowball_count = 50000
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}, params)
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local normals = worldeditadditions.calculate_normals(heightmap, heightmap_size)
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for i = 1, params.snowball_count do
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snowball(
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heightmap, normals, heightmap_size,
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{ x = math.random() }
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)
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end
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end
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local function snowball(heightmap, normalmap, heightmap_size, startpos, params)
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local function snowball(heightmap, normalmap, heightmap_size, startpos, params)
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local offset = { -- Random jitter - apparently helps to avoid snowballs from entrenching too much
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local offset = { -- Random jitter - apparently helps to avoid snowballs from entrenching too much
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@ -72,3 +43,33 @@ local function snowball(heightmap, normalmap, heightmap_size, startpos, params)
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heightmap[i] = math.floor(heightmap[i] + 0.5)
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heightmap[i] = math.floor(heightmap[i] + 0.5)
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end
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end
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end
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end
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--[[
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2D erosion algorithm based on snowballs
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Note that this *mutates* the given heightmap.
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@source https://jobtalle.com/simulating_hydraulic_erosion.html
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]]--
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function worldeditadditions.erode.snowballs(heightmap, heightmap_size, params)
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-- Apply the default settings
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worldeditadditions.table_apply({
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rate_deposit = 0.03,
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rate_erosion = 0.04,
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friction = 0.07,
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speed = 0.15,
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radius = 0.8,
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snowball_max_steps = 80,
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scale_iterations = 0.04,
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drops_per_cell = 0.4,
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snowball_count = 50000
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}, params)
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local normals = worldeditadditions.calculate_normals(heightmap, heightmap_size)
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for i = 1, params.snowball_count do
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snowball(
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heightmap, normals, heightmap_size,
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{ x = math.random() }
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)
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end
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end
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@ -86,6 +86,7 @@ end
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-- @param tbl number[] The ZERO-indexed list of numbers
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-- @param tbl number[] The ZERO-indexed list of numbers
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-- @param width number The width of 2D array.
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-- @param width number The width of 2D array.
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function worldeditadditions.print_2d(tbl, width)
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function worldeditadditions.print_2d(tbl, width)
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print("==== count: "..#tbl..", width:"..width.." ====")
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local display_width = 1
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local display_width = 1
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for _i,value in pairs(tbl) do
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for _i,value in pairs(tbl) do
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display_width = math.max(display_width, #tostring(value))
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display_width = math.max(display_width, #tostring(value))
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@ -209,6 +210,32 @@ function worldeditadditions.parse_weighted_nodes(parts, as_list)
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return true, result
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return true, result
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end
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end
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function worldeditadditions.parse_map(params_text)
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local result = {}
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local parts = worldeditadditions.split(params_text, "%s+", false)
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local last_key = nil
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for i, part in ipairs(parts) do
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if i % 2 == 1 then
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-- Try converting to a number to see if it works
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local part_converted = tonumber(part)
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if as_number == nil then part_converted = part end
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result[last_key] = part
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else
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last_key = part
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end
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end
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return true, result
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end
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function worldeditadditions.map_stringify(map)
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local result = {}
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for key, value in pairs(map) do
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table.insert(key.."\t"..value)
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end
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return table.concat(result, "\n")
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end
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--- Converts a float milliseconds into a human-readable string.
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--- Converts a float milliseconds into a human-readable string.
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-- Ported from PHP human_time from Pepperminty Wiki: https://github.com/sbrl/Pepperminty-Wiki/blob/fa81f0d/core/05-functions.php#L82-L104
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-- Ported from PHP human_time from Pepperminty Wiki: https://github.com/sbrl/Pepperminty-Wiki/blob/fa81f0d/core/05-functions.php#L82-L104
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-- @param ms float The number of milliseconds to convert.
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-- @param ms float The number of milliseconds to convert.
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@ -45,9 +45,10 @@ end
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-- @param heightmap_size int[] The size of the heightmap in the form [ z, x ]
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-- @param heightmap_size int[] The size of the heightmap in the form [ z, x ]
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-- @return Vector[] The calculated normal map, in the same form as the input heightmap. Each element of the array is a 3D Vector (i.e. { x, y, z }) representing a normal.
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-- @return Vector[] The calculated normal map, in the same form as the input heightmap. Each element of the array is a 3D Vector (i.e. { x, y, z }) representing a normal.
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function worldeditadditions.calculate_normals(heightmap, heightmap_size)
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function worldeditadditions.calculate_normals(heightmap, heightmap_size)
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print("heightmap_size: "..heightmap_size[1].."x"..heightmap_size[0])
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local result = {}
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local result = {}
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for z = heightmap_size[0], 0, -1 do
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for z = heightmap_size[0]-1, 0, -1 do
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for x = heightmap_size[1], 0, -1 do
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for x = heightmap_size[1]-1, 0, -1 do
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-- Algorithm ref https://stackoverflow.com/a/13983431/1460422
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-- Algorithm ref https://stackoverflow.com/a/13983431/1460422
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-- Also ref Vector.mjs, which I implemented myself (available upon request)
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-- Also ref Vector.mjs, which I implemented myself (available upon request)
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local hi = z*heightmap_size[1] + x
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local hi = z*heightmap_size[1] + x
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@ -57,9 +58,14 @@ function worldeditadditions.calculate_normals(heightmap, heightmap_size)
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local left = heightmap[hi]
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local left = heightmap[hi]
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local right = heightmap[hi]
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local right = heightmap[hi]
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if z - 1 > 0 then up = heightmap[(z-1)*heightmap_size[1] + x] end
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if z - 1 > 0 then up = heightmap[(z-1)*heightmap_size[1] + x] end
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if z + 1 < heightmap_size[1] then down = heightmap[(z+1)*heightmap_size[1] + x] end
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if z + 1 < heightmap_size[0]-1 then down = heightmap[(z+1)*heightmap_size[1] + x] end
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if x - 1 > 0 then left = heightmap[z*heightmap_size[1] + (x-1)] end
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if x - 1 > 0 then left = heightmap[z*heightmap_size[1] + (x-1)] end
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if x + 1 < heightmap_size[0] then right = heightmap[z*heightmap_size[1] + (x+1)] end
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if x + 1 < heightmap_size[1]-1 then right = heightmap[z*heightmap_size[1] + (x+1)] end
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print("[normals] UP | index", (z-1)*heightmap_size[1] + x, "z", z, "z-1", z - 1, "up", up, "limit", 0)
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print("[normals] DOWN | index", (z+1)*heightmap_size[1] + x, "z", z, "z+1", z + 1, "down", down, "limit", heightmap_size[1]-1)
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print("[normals] LEFT | index", z*heightmap_size[1] + (x-1), "x", x, "x-1", x - 1, "left", left, "limit", 0)
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print("[normals] RIGHT | index", z*heightmap_size[1] + (x+1), "x", x, "x+1", x + 1, "right", right, "limit", heightmap_size[1]-1)
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result[hi] = worldeditadditions.vector.normalize({
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result[hi] = worldeditadditions.vector.normalize({
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x = left - right,
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x = left - right,
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@ -70,3 +76,47 @@ function worldeditadditions.calculate_normals(heightmap, heightmap_size)
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end
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end
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return result
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return result
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end
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end
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function worldeditadditions.apply_heightmap_changes(pos1, pos2, area, data, heightmap_old, heightmap_new, heightmap_size)
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local stats = { added = 0, removed = 0 }
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local node_id_air = minetest.get_content_id("air")
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for z = heightmap_size[0], 0, -1 do
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for x = heightmap_size[1], 0, -1 do
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local hi = z*heightmap_size[1] + x
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local height_old = heightmap[hi]
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local height_new = heightmap_new[hi]
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-- print("[conv/save] hi", hi, "height_old", heightmap[hi], "height_new", heightmap_new[hi], "z", z, "x", x, "pos1.y", pos1.y)
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-- Lua doesn't have a continue statement :-/
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if height_old == height_new then
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-- noop
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elseif height_new < height_old then
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stats.removed = stats.removed + (height_old - height_new)
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local y = height_new
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while y < height_old do
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local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
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-- print("[conv/save] remove at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
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data[ci] = node_id_air
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y = y + 1
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end
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else -- height_new > height_old
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-- We subtract one because the heightmap starts at 1 (i.e. 1 = 1 node in the column), but the selected region is inclusive
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local node_id = data[area:index(pos1.x + x, pos1.y + (height_old - 1), pos1.z + z)]
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||||||
|
-- print("[conv/save] filling with ", node_id, "→", minetest.get_name_from_content_id(node_id))
|
||||||
|
|
||||||
|
stats.added = stats.added + (height_new - height_old)
|
||||||
|
local y = height_old
|
||||||
|
while y < height_new do
|
||||||
|
local ci = area:index(pos1.x + x, pos1.y + y, pos1.z + z)
|
||||||
|
-- print("[conv/save] add at y", y, "→", pos1.y + y, "current:", minetest.get_name_from_content_id(data[ci]))
|
||||||
|
data[ci] = node_id
|
||||||
|
y = y + 1
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
return true, stats
|
||||||
|
end
|
||||||
|
@ -16,12 +16,12 @@ end
|
|||||||
-- This method does *not* mutate.
|
-- This method does *not* mutate.
|
||||||
-- @param v Vector The vector to calculate from.
|
-- @param v Vector The vector to calculate from.
|
||||||
-- @return Vector A new normalised vector.
|
-- @return Vector A new normalised vector.
|
||||||
function worldeditadditions.vector.normalise(v)
|
function worldeditadditions.vector.normalize(v)
|
||||||
local length = math.sqrt(worldeditadditions.lengthsquared(v))
|
local length = math.sqrt(worldeditadditions.vector.lengthsquared(v))
|
||||||
return {
|
return {
|
||||||
x = x / length,
|
x = v.x / length,
|
||||||
y = y / length,
|
y = v.y / length,
|
||||||
z = z / length
|
z = v.z / length
|
||||||
}
|
}
|
||||||
end
|
end
|
||||||
|
|
43
worldeditadditions_commands/commands/erode.lua
Normal file
43
worldeditadditions_commands/commands/erode.lua
Normal file
@ -0,0 +1,43 @@
|
|||||||
|
-- ██████ ██ ██ ███████ ██████ ██ █████ ██ ██
|
||||||
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
||||||
|
-- ██ ██ ██ ██ █████ ██████ ██ ███████ ████
|
||||||
|
-- ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
||||||
|
-- ██████ ████ ███████ ██ ██ ███████ ██ ██ ██
|
||||||
|
worldedit.register_command("erode", {
|
||||||
|
params = "[<snowballs|...> [<key_1> [<vaue_1>]] [<key_2> [<value_2>]] ...]",
|
||||||
|
description = "Runs the specified erosion algorithm over the given defined region. This may occur in 2d or 3d. Currently implemented algorithms: snowballs (default;2d hydraulic-like). Also optionally takes an arbitrary set of key - value pairs representing parameters to pass to the algorithm. See the full documentation for details.",
|
||||||
|
privs = { worldedit = true },
|
||||||
|
require_pos = 2,
|
||||||
|
parse = function(params_text)
|
||||||
|
if not params_text or params_text == "" then
|
||||||
|
return true, "snowballs", {}
|
||||||
|
end
|
||||||
|
|
||||||
|
if params_text:find("%s") == nil then
|
||||||
|
return true, params_text, {}
|
||||||
|
end
|
||||||
|
|
||||||
|
local algorithm, params = params_text:match("([^%s]+)%s(.+)")
|
||||||
|
if algorithm == nil then
|
||||||
|
return false, "Failed to split params_text into 2 parts (this is probably a bug)"
|
||||||
|
end
|
||||||
|
|
||||||
|
local success, map = worldeditadditions.parse_map(params)
|
||||||
|
if not success then return success, map end
|
||||||
|
return true, algorithm, map
|
||||||
|
end,
|
||||||
|
nodes_needed = function(name)
|
||||||
|
return worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
|
||||||
|
end,
|
||||||
|
func = function(name, algorithm, params)
|
||||||
|
local start_time = worldeditadditions.get_ms_time()
|
||||||
|
local success, stats = worldeditadditions.erode.run(
|
||||||
|
worldedit.pos1[name], worldedit.pos2[name],
|
||||||
|
algorithm, params
|
||||||
|
)
|
||||||
|
local time_taken = worldeditadditions.get_ms_time() - start_time
|
||||||
|
|
||||||
|
minetest.log("action", name .. " used //erode "..algorithm.." at " .. worldeditadditions.vector.tostring(worldedit.pos1[name]) .. ", replacing " .. changes.replaced .. " nodes and skipping " .. changes.skipped_columns .. " columns in " .. time_taken .. "s")
|
||||||
|
return true, changes.replaced .. " nodes replaced and " .. changes.skipped_columns .. " columns skipped in " .. worldeditadditions.human_time(time_taken)
|
||||||
|
end
|
||||||
|
})
|
@ -30,6 +30,7 @@ dofile(we_c.modpath.."/commands/walls.lua")
|
|||||||
dofile(we_c.modpath.."/commands/maze.lua")
|
dofile(we_c.modpath.."/commands/maze.lua")
|
||||||
dofile(we_c.modpath.."/commands/replacemix.lua")
|
dofile(we_c.modpath.."/commands/replacemix.lua")
|
||||||
dofile(we_c.modpath.."/commands/convolve.lua")
|
dofile(we_c.modpath.."/commands/convolve.lua")
|
||||||
|
dofile(we_c.modpath.."/commands/erode.lua")
|
||||||
|
|
||||||
dofile(we_c.modpath.."/commands/count.lua")
|
dofile(we_c.modpath.."/commands/count.lua")
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user