Minetest-WorldEditAdditions/worldeditadditions_commands/commands/selectors/srect.lua

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local wea = worldeditadditions
local wea_c = worldeditadditions_core
local Vector3 = wea_c.Vector3
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worldeditadditions_core.register_command("srect", {
params = "[<axis1> [<axis2>]] <length>",
description = "Set WorldEdit region position 2 at a set distance along 2 axes.",
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privs = { worldedit = true },
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require_pos = 1,
parse = function(params_text)
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local vec, tmp = Vector3.new(0, 0, 0), {}
local find = wea_c.split(params_text, "%s", false)
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local ax1, ax2 = (tostring(find[1]):match('[xyz]') or "g"):sub(1,1), (tostring(find[2]):match('[xyz]') or "g"):sub(1,1)
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local sn1, sn2, len = wea_c.getsign(find[1]), wea_c.getsign(find[2]), find[table.maxn(find)]
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tmp.len = tonumber(len)
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-- If len == nill cancel the operation
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if not tmp.len then return false, "No length specified." end
-- If axis is bad send "get" order
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if ax1 == "g" then tmp.get = true
else vec[ax1] = sn1 * tmp.len end
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if ax2 == "g" then tmp.get = true
else vec[ax2] = sn2 * tmp.len end
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tmp.axes = ax1..","..ax2
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return true, vec, tmp
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-- tmp carries:
-- The length (len) arguement to the main function for use if "get" is invoked there
-- The bool value "get" to tell the main function if it needs to populate missing information in vec
-- The string "axes" to tell the main function what axes are and/or need to be populated if "get" is invoked
end,
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func = function(name, vec, tmp)
if tmp.get then
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local ax, dir = wea_c.player_axis2d(name)
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if not tmp.axes:find("[xz]") then vec[ax] = tmp.len * dir end
if not tmp.axes:find("y") then vec.y = tmp.len end
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end
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local p2 = vec + Vector3.clone(worldedit.pos1[name])
worldedit.pos2[name] = p2
worldedit.mark_pos2(name)
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return true, "position 2 set to "..p2
end,
})
-- Tests
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-- /multi //fp set1 -63 19 -20 //srect 5
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-- /multi //fp set1 -63 19 -20 //srect z 5
-- /multi //fp set1 -63 19 -20 //srect a z 5
-- /multi //fp set1 -63 19 -20 //srect z a 5
-- /multi //fp set1 -63 19 -20 //srect -z 5
-- /multi //fp set1 -63 19 -20 //srect a -x 5
-- /multi //fp set1 -63 19 -20 //srect -x -a 5
-- lua vec = Vector3.new(15,-12,17); vec["len"] = 5; vec.get = true; vec2 = Vector3.new(1,1,1) + vec; print(vec2.x,vec2.y,vec2.z,vec2.len)