1 worldedit = worldedit or {}
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3 --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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4 worldedit.sort_pos = function(pos1, pos2)
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5 pos1 = {x=pos1.x, y=pos1.y, z=pos1.z}
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6 pos2 = {x=pos2.x, y=pos2.y, z=pos2.z}
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7 if pos1.x > pos2.x then
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8 pos2.x, pos1.x = pos1.x, pos2.x
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10 if pos1.y > pos2.y then
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11 pos2.y, pos1.y = pos1.y, pos2.y
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13 if pos1.z > pos2.z then
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14 pos2.z, pos1.z = pos1.z, pos2.z
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19 --determines the volume of the region defined by positions `pos1` and `pos2`, returning the volume
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20 worldedit.volume = function(pos1, pos2)
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21 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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22 return (pos2.x - pos1.x + 1) * (pos2.y - pos1.y + 1) * (pos2.z - pos1.z + 1)
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25 --sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled
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26 worldedit.set = function(pos1, pos2, nodename)
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27 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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28 local env = minetest.env
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30 local node = {name=nodename}
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31 local pos = {x=pos1.x, y=0, z=0}
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32 while pos.x <= pos2.x do
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34 while pos.y <= pos2.y do
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36 while pos.z <= pos2.z do
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37 env:add_node(pos, node)
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44 return worldedit.volume(pos1, pos2)
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47 --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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48 worldedit.replace = function(pos1, pos2, searchnode, replacenode)
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49 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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50 local env = minetest.env
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52 if minetest.registered_nodes[searchnode] == nil then
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53 searchnode = "default:" .. searchnode
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56 local pos = {x=pos1.x, y=0, z=0}
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57 local node = {name=replacenode}
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59 while pos.x <= pos2.x do
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61 while pos.y <= pos2.y do
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63 while pos.z <= pos2.z do
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64 if env:get_node(pos).name == searchnode then
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65 env:add_node(pos, node)
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77 --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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78 worldedit.copy = function(pos1, pos2, axis, amount)
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79 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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80 local env = minetest.env
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83 local pos = {x=pos1.x, y=0, z=0}
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84 while pos.x <= pos2.x do
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86 while pos.y <= pos2.y do
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88 while pos.z <= pos2.z do
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89 local node = env:get_node(pos) --obtain current node
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90 local meta = env:get_meta(pos):to_table() --get meta of current node
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91 local value = pos[axis] --store current position
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92 pos[axis] = value + amount --move along axis
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93 env:add_node(pos, node) --copy node to new position
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94 env:get_meta(pos):from_table(meta) --set metadata of new node
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95 pos[axis] = value --restore old position
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103 local pos = {x=pos2.x, y=0, z=0}
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104 while pos.x >= pos1.x do
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106 while pos.y >= pos1.y do
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108 while pos.z >= pos1.z do
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109 local node = minetest.env:get_node(pos) --obtain current node
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110 local meta = env:get_meta(pos):to_table() --get meta of current node
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111 local value = pos[axis] --store current position
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112 pos[axis] = value + amount --move along axis
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113 minetest.env:add_node(pos, node) --copy node to new position
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114 env:get_meta(pos):from_table(meta) --set metadata of new node
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115 pos[axis] = value --restore old position
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123 return worldedit.volume(pos1, pos2)
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126 --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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127 worldedit.move = function(pos1, pos2, axis, amount)
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128 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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129 local env = minetest.env
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132 local pos = {x=pos1.x, y=0, z=0}
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133 while pos.x <= pos2.x do
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135 while pos.y <= pos2.y do
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137 while pos.z <= pos2.z do
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138 local node = env:get_node(pos) --obtain current node
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139 local meta = env:get_meta(pos):to_table() --get metadata of current node
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140 env:remove_node(pos)
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141 local value = pos[axis] --store current position
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142 pos[axis] = value + amount --move along axis
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143 env:add_node(pos, node) --move node to new position
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144 env:get_meta(pos):from_table(meta) --set metadata of new node
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145 pos[axis] = value --restore old position
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153 local pos = {x=pos2.x, y=0, z=0}
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154 while pos.x >= pos1.x do
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156 while pos.y >= pos1.y do
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158 while pos.z >= pos1.z do
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159 local node = env:get_node(pos) --obtain current node
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160 local meta = env:get_meta(pos):to_table() --get metadata of current node
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161 env:remove_node(pos)
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162 local value = pos[axis] --store current position
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163 pos[axis] = value + amount --move along axis
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164 env:add_node(pos, node) --move node to new position
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165 env:get_meta(pos):from_table(meta) --set metadata of new node
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166 pos[axis] = value --restore old position
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174 return worldedit.volume(pos1, pos2)
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177 --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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178 worldedit.stack = function(pos1, pos2, axis, count)
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179 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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180 local length = pos2[axis] - pos1[axis] + 1
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186 local copy = worldedit.copy
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187 for i = 1, count do
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188 amount = amount + length
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189 copy(pos1, pos2, axis, amount)
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191 return worldedit.volume(pos1, pos2)
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194 --transposes a region defined by the positions `pos1` and `pos2` between the `axis1` and `axis2` axes, returning the number of nodes transposed, the new position 1, and the new position 2
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195 worldedit.transpose = function(pos1, pos2, axis1, axis2)
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196 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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199 local extent1, extent2 = pos2[axis1] - pos1[axis1], pos2[axis2] - pos1[axis2]
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201 if extent1 > extent2 then
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202 compare = function(extent1, extent2)
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203 return extent1 > extent2
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206 compare = function(extent1, extent2)
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207 return extent1 < extent2
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211 --calculate the new position 2 after transposition
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212 local newpos2 = {x=pos1.x, y=pos1.y, z=pos1.z}
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213 newpos2[axis1] = pos1[axis1] + extent2
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214 newpos2[axis2] = pos1[axis2] + extent1
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216 local pos = {x=pos1.x, y=0, z=0}
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217 local env = minetest.env
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218 while pos.x <= pos2.x do
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220 while pos.y <= pos2.y do
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222 while pos.z <= pos2.z do
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223 local extent1, extent2 = pos[axis1] - pos1[axis1], pos[axis2] - pos1[axis2]
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224 if compare(extent1, extent2) then --transpose only if below the diagonal
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225 local node1 = env:get_node(pos)
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226 local meta1 = env:get_meta(pos):to_table()
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227 local value1, value2 = pos[axis1], pos[axis2] --save position values
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228 pos[axis1], pos[axis2] = pos1[axis1] + extent2, pos1[axis2] + extent1 --swap axis extents
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229 local node2 = env:get_node(pos)
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230 local meta2 = env:get_meta(pos):to_table()
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231 env:add_node(pos, node1)
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232 env:get_meta(pos):from_table(meta1)
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233 pos[axis1], pos[axis2] = value1, value2 --restore position values
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234 env:add_node(pos, node2)
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235 env:get_meta(pos):from_table(meta2)
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243 return worldedit.volume(pos1, pos2), pos1, newpos2
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246 --flips a region defined by the positions `pos1` and `pos2` along the `axis` axis ("x" or "y" or "z"), returning the number of nodes flipped
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247 worldedit.flip = function(pos1, pos2, axis)
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248 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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250 local pos = {x=pos1.x, y=0, z=0}
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251 local start = pos1[axis] + pos2[axis]
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252 pos2[axis] = pos1[axis] + math.floor((pos2[axis] - pos1[axis]) / 2)
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253 local env = minetest.env
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254 while pos.x <= pos2.x do
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256 while pos.y <= pos2.y do
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258 while pos.z <= pos2.z do
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259 local node1 = env:get_node(pos)
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260 local meta1 = env:get_meta(pos):to_table()
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261 local value = pos[axis]
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262 pos[axis] = start - value
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263 local node2 = env:get_node(pos)
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264 local meta2 = env:get_meta(pos):to_table()
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265 env:add_node(pos, node1)
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266 env:get_meta(pos):from_table(meta1)
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268 env:add_node(pos, node2)
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269 env:get_meta(pos):from_table(meta2)
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276 return worldedit.volume(pos1, pos2)
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279 --rotates a region defined by the positions `pos1` and `pos2` by `angle` degrees clockwise around axis `axis` (90 degree increment), returning the number of nodes rotated
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280 worldedit.rotate = function(pos1, pos2, axis, angle)
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281 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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284 if axis == "x" then
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285 axis1, axis2 = "z", "y"
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286 elseif axis == "y" then
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287 axis1, axis2 = "x", "z"
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289 axis1, axis2 = "y", "x"
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291 angle = angle % 360
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294 if angle == 90 then
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295 worldedit.flip(pos1, pos2, axis1)
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296 count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
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297 elseif angle == 180 then
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298 worldedit.flip(pos1, pos2, axis1)
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299 count = worldedit.flip(pos1, pos2, axis2)
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300 elseif angle == 270 then
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301 worldedit.flip(pos1, pos2, axis2)
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302 count, pos1, pos2 = worldedit.transpose(pos1, pos2, axis1, axis2)
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304 return count, pos1, pos2
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307 --digs a region defined by positions `pos1` and `pos2`, returning the number of nodes dug
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308 worldedit.dig = function(pos1, pos2)
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309 local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
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310 local env = minetest.env
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312 local pos = {x=pos1.x, y=0, z=0}
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313 while pos.x <= pos2.x do
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315 while pos.y <= pos2.y do
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317 while pos.z <= pos2.z do#
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318 local node = env:get_node(pos)
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319 if node.name == "air":
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327 return worldedit.volume(pos1, pos2)
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