1 worldedit = worldedit or {}
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2 local minetest = minetest --local copy of global
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4 --adds a hollow sphere centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
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5 worldedit.hollow_sphere = function(pos, radius, nodename)
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6 --set up voxel manipulator
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7 local manip = minetest.get_voxel_manip()
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8 local pos1 = {x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}
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9 local pos2 = {x=pos.x + radius, y=pos.y + radius, z=pos.z + radius}
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10 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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11 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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13 --fill emerged area with ignore
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15 local ignore = minetest.get_content_id("ignore")
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16 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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20 --fill selected area with node
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21 local node_id = minetest.get_content_id(nodename)
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22 local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
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23 local offsetx, offsety, offsetz = pos.x - emerged_pos1.x, pos.y - emerged_pos1.y, pos.z - emerged_pos1.z
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24 local zstride, ystride = area.zstride, area.ystride
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26 for z = -radius, radius do
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27 local newz = (z + offsetz) * zstride + 1 --offset contributed by z plus 1 to make it 1-indexed
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28 for y = -radius, radius do
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29 local newy = newz + (y + offsety) * ystride
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30 for x = -radius, radius do
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31 local squared = x * x + y * y + z * z
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32 if squared >= min_radius and squared <= max_radius then --position is on surface of sphere
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33 local i = newy + (x + offsetx)
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42 manip:set_data(nodes)
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43 manip:write_to_map()
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49 --adds a sphere centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
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50 worldedit.sphere = function(pos, radius, nodename)
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51 --set up voxel manipulator
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52 local manip = minetest.get_voxel_manip()
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53 local pos1 = {x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}
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54 local pos2 = {x=pos.x + radius, y=pos.y + radius, z=pos.z + radius}
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55 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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56 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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58 --fill emerged area with ignore
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60 local ignore = minetest.get_content_id("ignore")
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61 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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65 --fill selected area with node
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66 local node_id = minetest.get_content_id(nodename)
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67 local max_radius = radius * (radius + 1)
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68 local offsetx, offsety, offsetz = pos.x - emerged_pos1.x, pos.y - emerged_pos1.y, pos.z - emerged_pos1.z
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69 local zstride, ystride = area.zstride, area.ystride
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71 for z = -radius, radius do
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72 local newz = (z + offsetz) * zstride + 1 --offset contributed by z plus 1 to make it 1-indexed
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73 for y = -radius, radius do
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74 local newy = newz + (y + offsety) * ystride
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75 for x = -radius, radius do
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76 if x * x + y * y + z * z <= max_radius then --position is inside sphere
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77 local i = newy + (x + offsetx)
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86 manip:set_data(nodes)
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87 manip:write_to_map()
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93 --adds a hollow dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
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94 worldedit.hollow_dome = function(pos, radius, nodename)
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95 --set up voxel manipulator
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96 local manip = minetest.get_voxel_manip()
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97 local pos1 = {x=pos.x - radius, y=pos.y, z=pos.z - radius}
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98 local pos2 = {x=pos.x + radius, y=pos.y + radius, z=pos.z + radius}
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99 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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100 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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102 --fill emerged area with ignore
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104 local ignore = minetest.get_content_id("ignore")
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105 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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109 local miny, maxy = 0, radius
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112 miny, maxy = -radius, 0
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115 --fill selected area with node
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116 local node_id = minetest.get_content_id(nodename)
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117 local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
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118 local offsetx, offsety, offsetz = pos.x - emerged_pos1.x, pos.y - emerged_pos1.y, pos.z - emerged_pos1.z
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119 local zstride, ystride = area.zstride, area.ystride
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121 for z = -radius, radius do
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122 local newz = (z + offsetz) * zstride + 1 --offset contributed by z plus 1 to make it 1-indexed
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123 for y = miny, maxy do
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124 local newy = newz + (y + offsety) * ystride
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125 for x = -radius, radius do
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126 local squared = x * x + y * y + z * z
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127 if squared >= min_radius and squared <= max_radius then --position is on surface of sphere
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128 local i = newy + (x + offsetx)
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137 manip:set_data(nodes)
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138 manip:write_to_map()
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144 --adds a dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
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145 worldedit.dome = function(pos, radius, nodename)
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146 --set up voxel manipulator
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147 local manip = minetest.get_voxel_manip()
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148 local pos1 = {x=pos.x - radius, y=pos.y, z=pos.z - radius}
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149 local pos2 = {x=pos.x + radius, y=pos.y + radius, z=pos.z + radius}
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150 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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151 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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153 --fill emerged area with ignore
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155 local ignore = minetest.get_content_id("ignore")
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156 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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160 local miny, maxy = 0, radius
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163 miny, maxy = -radius, 0
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166 --fill selected area with node
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167 local node_id = minetest.get_content_id(nodename)
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168 local max_radius = radius * (radius + 1)
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169 local offsetx, offsety, offsetz = pos.x - emerged_pos1.x, pos.y - emerged_pos1.y, pos.z - emerged_pos1.z
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170 local zstride, ystride = area.zstride, area.ystride
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172 for z = -radius, radius do
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173 local newz = (z + offsetz) * zstride + 1 --offset contributed by z plus 1 to make it 1-indexed
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174 for y = miny, maxy do
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175 local newy = newz + (y + offsety) * ystride
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176 for x = -radius, radius do
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177 if x * x + y * y + z * z <= max_radius then --position is inside sphere
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178 local i = newy + (x + offsetx)
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187 manip:set_data(nodes)
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188 manip:write_to_map()
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194 --adds a hollow cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `nodename`, returning the number of nodes added
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195 worldedit.hollow_cylinder = function(pos, axis, length, radius, nodename)
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196 local other1, other2
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197 if axis == "x" then
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198 other1, other2 = "y", "z"
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199 elseif axis == "y" then
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200 other1, other2 = "x", "z"
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202 other1, other2 = "x", "y"
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205 --handle negative lengths
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206 local currentpos = {x=pos.x, y=pos.y, z=pos.z}
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209 currentpos[axis] = currentpos[axis] - length
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212 --set up voxel manipulator
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213 local manip = minetest.get_voxel_manip()
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215 [axis]=currentpos[axis],
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216 [other1]=currentpos[other1] - radius,
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217 [other2]=currentpos[other2] - radius
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220 [axis]=currentpos[axis] + length - 1,
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221 [other1]=currentpos[other1] + radius,
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222 [other2]=currentpos[other2] + radius
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224 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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225 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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227 --fill emerged area with ignore
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229 local ignore = minetest.get_content_id("ignore")
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230 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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234 --fill selected area with node
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235 local node_id = minetest.get_content_id(nodename)
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236 local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
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237 local stride = {x=1, y=area.ystride, z=area.zstride}
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238 local offset = {x=currentpos.x - emerged_pos1.x, y=currentpos.y - emerged_pos1.y, z=currentpos.z - emerged_pos1.z}
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239 local min_slice, max_slice = offset[axis], offset[axis] + length - 1
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241 for index2 = -radius, radius do
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242 local newindex2 = (index2 + offset[other1]) * stride[other1] + 1 --offset contributed by other axis 1 plus 1 to make it 1-indexed
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243 for index3 = -radius, radius do
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244 local newindex3 = newindex2 + (index3 + offset[other2]) * stride[other2]
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245 local squared = index2 * index2 + index3 * index3
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246 if squared >= min_radius and squared <= max_radius then --position is on surface of cylinder
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247 for index1 = min_slice, max_slice do --add column along axis
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248 local i = newindex3 + index1 * stride[axis]
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251 count = count + length
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257 manip:set_data(nodes)
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258 manip:write_to_map()
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264 --adds a cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `nodename`, returning the number of nodes added
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265 worldedit.cylinder = function(pos, axis, length, radius, nodename)
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266 local other1, other2
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267 if axis == "x" then
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268 other1, other2 = "y", "z"
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269 elseif axis == "y" then
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270 other1, other2 = "x", "z"
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272 other1, other2 = "x", "y"
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275 --handle negative lengths
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276 local currentpos = {x=pos.x, y=pos.y, z=pos.z}
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279 currentpos[axis] = currentpos[axis] - length
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282 --set up voxel manipulator
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283 local manip = minetest.get_voxel_manip()
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285 [axis]=currentpos[axis],
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286 [other1]=currentpos[other1] - radius,
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287 [other2]=currentpos[other2] - radius
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290 [axis]=currentpos[axis] + length - 1,
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291 [other1]=currentpos[other1] + radius,
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292 [other2]=currentpos[other2] + radius
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294 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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295 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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297 --fill emerged area with ignore
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299 local ignore = minetest.get_content_id("ignore")
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300 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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304 --fill selected area with node
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305 local node_id = minetest.get_content_id(nodename)
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306 local max_radius = radius * (radius + 1)
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307 local stride = {x=1, y=area.ystride, z=area.zstride}
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308 local offset = {x=currentpos.x - emerged_pos1.x, y=currentpos.y - emerged_pos1.y, z=currentpos.z - emerged_pos1.z}
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309 local min_slice, max_slice = offset[axis], offset[axis] + length - 1
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311 for index2 = -radius, radius do
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312 local newindex2 = (index2 + offset[other1]) * stride[other1] + 1 --offset contributed by other axis 1 plus 1 to make it 1-indexed
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313 for index3 = -radius, radius do
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314 local newindex3 = newindex2 + (index3 + offset[other2]) * stride[other2]
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315 if index2 * index2 + index3 * index3 <= max_radius then --position is within cylinder
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316 for index1 = min_slice, max_slice do --add column along axis
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317 local i = newindex3 + index1 * stride[axis]
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320 count = count + length
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326 manip:set_data(nodes)
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327 manip:write_to_map()
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333 --adds a pyramid centered at `pos` with height `height`, composed of `nodename`, returning the number of nodes added
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334 worldedit.pyramid = function(pos, axis, height, nodename)
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335 local other1, other2
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336 if axis == "x" then
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337 other1, other2 = "y", "z"
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338 elseif axis == "y" then
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339 other1, other2 = "x", "z"
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341 other1, other2 = "x", "y"
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344 local pos1 = {x=pos.x - height, y=pos.y - height, z=pos.z - height}
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345 local pos2 = {x=pos.x + height, y=pos.y + height, z=pos.z + height}
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347 --handle inverted pyramids
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348 local startaxis, endaxis, step
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350 height = height - 1
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352 pos1[axis] = pos[axis] --upper half of box
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354 height = height + 1
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356 pos2[axis] = pos[axis] --lower half of box
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359 --set up voxel manipulator
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360 local manip = minetest.get_voxel_manip()
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361 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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362 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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364 --fill emerged area with ignore
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366 local ignore = minetest.get_content_id("ignore")
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367 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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371 --fill selected area with node
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372 local node_id = minetest.get_content_id(nodename)
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373 local stride = {x=1, y=area.ystride, z=area.zstride}
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374 local offset = {x=pos.x - emerged_pos1.x, y=pos.y - emerged_pos1.y, z=pos.z - emerged_pos1.z}
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375 local size = height * step
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377 for index1 = 0, height, step do --go through each level of the pyramid
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378 local newindex1 = (index1 + offset[axis]) * stride[axis] + 1 --offset contributed by axis plus 1 to make it 1-indexed
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379 for index2 = -size, size do
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380 local newindex2 = newindex1 + (index2 + offset[other1]) * stride[other1]
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381 for index3 = -size, size do
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382 local i = newindex2 + (index3 + offset[other2]) * stride[other2]
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386 count = count + (size * 2 + 1) ^ 2
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391 manip:set_data(nodes)
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392 manip:write_to_map()
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398 --adds a spiral centered at `pos` with side length `length`, height `height`, space between walls `spacer`, composed of `nodename`, returning the number of nodes added
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399 worldedit.spiral = function(pos, length, height, spacer, nodename)
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400 local extent = math.ceil(length / 2)
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401 local pos1 = {x=pos.x - extent, y=pos.y, z=pos.z - extent}
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402 local pos2 = {x=pos.x + extent, y=pos.y + height, z=pos.z + extent}
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404 --set up voxel manipulator
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405 local manip = minetest.get_voxel_manip()
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406 local emerged_pos1, emerged_pos2 = manip:read_from_map(pos1, pos2)
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407 local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
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409 --fill emerged area with ignore
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411 local ignore = minetest.get_content_id("ignore")
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412 for i = 1, worldedit.volume(emerged_pos1, emerged_pos2) do
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417 local node_id = minetest.get_content_id(nodename)
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418 local stride = {x=1, y=area.ystride, z=area.zstride}
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419 local offsetx, offsety, offsetz = pos.x - emerged_pos1.x, pos.y - emerged_pos1.y, pos.z - emerged_pos1.z
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420 local i = offsetz * stride.z + offsety * stride.y + offsetx + 1
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423 local count = height
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425 for y = 1, height do
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426 nodes[column] = node_id
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427 column = column + stride.y
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430 --add spiral segments
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431 local strideaxis, strideother = stride.x, stride.z
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433 local segment_length = 0
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434 spacer = spacer + 1
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435 for segment = 1, math.floor(length / spacer) * 2 do --go through each segment except the last
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436 if segment % 2 == 1 then --change sign and length every other turn starting with the first
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438 segment_length = segment_length + spacer
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440 for index = 1, segment_length do --fill segment
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441 i = i + strideaxis * sign --move along the direction of the segment
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443 for y = 1, height do --add column
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444 nodes[column] = node_id
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445 column = column + stride.y
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448 count = count + segment_length * height
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449 strideaxis, strideother = strideother, strideaxis --swap axes
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452 --add shorter final segment
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454 for index = 1, segment_length do
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455 i = i + strideaxis * sign
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457 for y = 1, height do --add column
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458 nodes[column] = node_id
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459 column = column + stride.y
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462 count = count + segment_length * height
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465 manip:set_data(nodes)
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466 manip:write_to_map()
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