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https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-06-03 05:03:02 +00:00
41 lines
1.4 KiB
Lua
41 lines
1.4 KiB
Lua
worldeditadditions.erode = {}
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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 region_height = (pos2.y - pos1.y) + 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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local success, msg, stats
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if algorithm == "snowballs" then
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success, msg = worldeditadditions.erode.snowballs(heightmap, heightmap_eroded, heightmap_size, region_height, 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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success, stats = 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, stats end
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worldedit.manip_helpers.finish(manip, data)
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return true, msg, stats
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end
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