1 --modifies positions `pos1` and `pos2` so that each component of `pos1` is less than or equal to its corresponding conent of `pos2`, returning two new positions
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2 worldedit.sort_pos = function(pos1, pos2)
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3 pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
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4 pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
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5 if pos1.x > pos2.x then
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6 pos2.x, pos1.x = pos1.x, pos2.x
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8 if pos1.y > pos2.y then
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9 pos2.y, pos1.y = pos1.y, pos2.y
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11 if pos1.z > pos2.z then
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12 pos2.z, pos1.z = pos1.z, pos2.z
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17 --determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume
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18 worldedit.volume = function(pos1, pos2)
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19 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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20 return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
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23 --sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled
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24 worldedit.set = function(pos1, pos2, nodename)
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25 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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26 local env = minetest.env
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28 local node = {name=nodename}
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29 local pos = {x=pos1.x, y=0, z=0}
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30 while pos.x <= pos2.x do
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32 while pos.y <= pos2.y do
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34 while pos.z <= pos2.z do
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35 env:add_node(pos, node)
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42 return worldedit.volume(pos1, pos2)
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45 --replaces all instances of `searchnode` with `replacenode` in a region defined by positions `pos1` and `pos2`, returning the number of nodes replaced
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46 worldedit.replace = function(pos1, pos2, searchnode, replacenode)
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47 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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48 local env = minetest.env
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50 if searchnode:find(":") == nil then
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51 searchnode = "default:" .. searchnode
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54 local pos = {x=pos1.x, y=0, z=0}
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55 local node = {name=replacenode}
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57 while pos.x <= pos2.x do
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59 while pos.y <= pos2.y do
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61 while pos.z <= pos2.z do
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62 if env:get_node(pos).name == searchnode then
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63 env:add_node(pos, node)
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75 --copies the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") by `amount` nodes, returning the number of nodes copied
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76 worldedit.copy = function(pos1, pos2, axis, amount)
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77 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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78 local env = minetest.env
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81 local pos = {x=pos1.x, y=0, z=0}
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82 while pos.x <= pos2.x do
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84 while pos.y <= pos2.y do
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86 while pos.z <= pos2.z do
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87 local node = env:get_node(pos, node)
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88 local value = pos[axis]
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89 pos[axis] = value - amount
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90 env:add_node(pos, node)
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99 local pos = {x=pos2.x, y=0, z=0}
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100 while pos.x >= pos1.x do
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102 while pos.y >= pos1.y do
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104 while pos.z >= pos1.z do
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105 local node = minetest.env:get_node(pos, node)
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106 local value = pos[axis]
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107 pos[axis] = value + amount
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108 minetest.env:add_node(pos, node)
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117 return worldedit.volume(pos1, pos2)
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120 --moves the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") by `amount` nodes, returning the number of nodes moved
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121 worldedit.move = function(pos1, pos2, axis, amount)
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122 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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123 local env = minetest.env
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126 local pos = {x=pos1.x, y=0, z=0}
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127 while pos.x <= pos2.x do
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129 while pos.y <= pos2.y do
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131 while pos.z <= pos2.z do
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132 local node = env:get_node(pos, node)
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133 env:remove_node(pos)
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134 local value = pos[axis]
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135 pos[axis] = value - amount
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136 env:add_node(pos, node)
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145 local pos = {x=pos2.x, y=0, z=0}
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146 while pos.x >= pos1.x do
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148 while pos.y >= pos1.y do
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150 while pos.z >= pos1.z do
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151 local node = minetest.env:get_node(pos, node)
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152 env:remove_node(pos)
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153 local value = pos[axis]
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154 pos[axis] = value + amount
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155 minetest.env:add_node(pos, node)
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164 return worldedit.volume(pos1, pos2)
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167 --duplicates the region defined by positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z") `count` times, returning the number of nodes stacked
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168 worldedit.stack = function(pos1, pos2, axis, count)
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169 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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170 local length = pos2[axis] - pos1[axis] + 1
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172 local copy = worldedit.copy
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177 for i = 1, count do
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178 amount = amount + length
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179 copy(pos1, pos2, axis, amount)
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181 return worldedit.volume(pos1, pos2)
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184 --digs a region defined by positions `pos1` and `pos2`, returning the number of nodes dug
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185 worldedit.dig = function(pos1, pos2)
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186 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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187 local env = minetest.env
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189 local pos = {x=pos1.x, y=0, z=0}
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190 while pos.x <= pos2.x do
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192 while pos.y <= pos2.y do
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194 while pos.z <= pos2.z do
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202 return worldedit.volume(pos1, pos2)
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205 --converts the region defined by positions `pos1` and `pos2` into a single string, returning the serialized data and the number of nodes serialized
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206 worldedit.serialize = function(pos1, pos2)
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207 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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208 local pos = {x=pos1.x, y=0, z=0}
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211 local env = minetest.env
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212 while pos.x <= pos2.x do
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214 while pos.y <= pos2.y do
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216 while pos.z <= pos2.z do
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217 local node = env:get_node(pos)
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218 if node.name ~= "air" and node.name ~= "ignore" then
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220 result[count] = pos.x - pos1.x .. " " .. pos.y - pos1.y .. " " .. pos.z - pos1.z .. " " .. node.name .. " " .. node.param1 .. " " .. node.param2
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228 result = table.concat(result, "\n")
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229 return result, count
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232 --loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized
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233 worldedit.deserialize = function(originpos, value)
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234 local pos = {x=0, y=0, z=0}
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235 local node = {name="", param1=0, param2=0}
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237 local env = minetest.env
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238 for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do
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239 pos.x = originpos.x + tonumber(x)
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240 pos.y = originpos.y + tonumber(y)
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241 pos.z = originpos.z + tonumber(z)
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243 node.param1 = param1
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244 node.param2 = param2
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245 env:add_node(pos, node)
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251 --loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized
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252 --based on [table.save/table.load](http://lua-users.org/wiki/SaveTableToFile) by ChillCode, available under the MIT license (GPL compatible)
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253 worldedit.deserialize_old = function(originpos, value)
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254 --obtain the node table
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256 local get_tables = loadstring(value)
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257 if get_tables == nil then --error loading value
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260 local tables = get_tables()
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262 --transform the node table into an array of nodes
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263 for i = 1, #tables do
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264 for j, v in pairs(tables[i]) do
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265 if type(v) == "table" then
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266 tables[i][j] = tables[v[1]]
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271 --load the node array
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272 local env = minetest.env
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273 for i, v in ipairs(tables[1]) do
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275 pos.x, pos.y, pos.z = originpos.x + pos.x, originpos.y + pos.y, originpos.z + pos.z
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276 env:add_node(pos, v[2])
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