Add //hollowcube and //cube

closes #143

1 files changed, 41 insertions, 0 deletions

diff --git a/worldedit/primitives.lua b/worldedit/primitives.lua
index 9b86cd8..4a09fba 100644
--- a/worldedit/primitives.lua
+++ b/worldedit/primitives.lua
@@ -4,6 +4,47 @@
 local mh = worldedit.manip_helpers

 

 

+--- Adds a cube

+-- @param pos Position of ground level center of cube

+-- @param width Cube width. (x)

+-- @param height Cube height. (y)

+-- @param length Cube length. (z)

+-- @param node_name Name of node to make cube of.

+-- @param hollow Whether the cube should be hollow.

+-- @return The number of nodes added.

+function worldedit.cube(pos, width, height, length, node_name, hollow)

+	-- Set up voxel manipulator

+	local basepos = vector.subtract(pos, {x=math.floor(width/2), y=0, z=math.floor(length/2)})

+	local manip, area = mh.init(basepos, vector.add(basepos, {x=width, y=height, z=length}))

+	local data = mh.get_empty_data(area)

+

+	-- Add cube

+	local node_id = minetest.get_content_id(node_name)

+	local stride = {x=1, y=area.ystride, z=area.zstride}

+	local offset = vector.subtract(basepos, area.MinEdge)

+	local count = 0

+

+	for z = 0, length-1 do

+		local index_z = (offset.z + z) * stride.z + 1 -- +1 for 1-based indexing

+		for y = 0, height-1 do

+			local index_y = index_z + (offset.y + y) * stride.y

+			for x = 0, width-1 do

+				local is_wall = z == 0 or z == length-1

+					or y == 0 or y == height-1

+					or x == 0 or x == width-1

+				if not hollow or is_wall then

+					local i = index_y + (offset.x + x)

+					data[i] = node_id

+					count = count + 1

+				end

+			end

+		end

+	end

+

+	mh.finish(manip, data)

+	return count

+end

+

 --- Adds a sphere of `node_name` centered at `pos`.

 -- @param pos Position to center sphere at.

 -- @param radius Sphere radius.