Merge remote-tracking branch 'tmp/cuboidmanip'

1 files changed, 239 insertions, 0 deletions

diff --git a/worldedit_commands/cuboid.lua b/worldedit_commands/cuboid.lua
new file mode 100644
index 0000000..24dad28
--- /dev/null
+++ b/worldedit_commands/cuboid.lua
@@ -0,0 +1,239 @@
+dofile(minetest.get_modpath("worldedit_commands") .. "/cuboidapi.lua")
+
+
+minetest.register_chatcommand("/outset", {
+	params = "[h|v] <amount>",
+	description = "outset the selection",
+	privs = {worldedit=true},
+	func = function(name, param)
+		local find, _, dir, amount = param:find("(%a*)%s*([+-]?%d+)")
+		
+		if find == nil then
+			return false, "invalid usage: " .. param
+		end
+		
+		local pos1 = worldedit.pos1[name]
+		local pos2 = worldedit.pos2[name]
+		
+		if pos1 == nil or pos2 == nil then
+			return false, 
+				"Undefined region. Region must be defined beforehand."
+		end
+		
+		local hv_test = dir:find("[^hv]+")
+		
+		if hv_test ~= nil then
+			return false, "Invalid direction."
+		end
+		
+		if dir == "" or dir == "hv" or dir == "vh" then
+			assert(worldedit.cuboid_volumetric_expand(name, amount))
+		elseif dir == "h" then
+			assert(worldedit.cuboid_linear_expand(name, 'x', 1, amount))
+			assert(worldedit.cuboid_linear_expand(name, 'x', -1, amount))
+			assert(worldedit.cuboid_linear_expand(name, 'z', 1, amount))
+			assert(worldedit.cuboid_linear_expand(name, 'z', -1, amount))
+		elseif dir == "v" then
+			assert(worldedit.cuboid_linear_expand(name, 'y', 1, amount))
+			assert(worldedit.cuboid_linear_expand(name, 'y', -1, amount))
+		else
+			return false, "Invalid number of arguments"
+		end
+		
+		worldedit.marker_update(name)
+		return true, "Region outset by " .. amount .. " blocks"
+      end,
+  }
+)
+
+
+minetest.register_chatcommand("/inset", {
+	params = "[h|v] <amount>",
+	description = "inset the selection",
+	privs = {worldedit=true},
+	func = function(name, param)
+		local find, _, dir, amount = param:find("(%a*)%s*([+-]?%d+)")
+		
+		if find == nil then
+			return false, "invalid usage: " .. param
+		end
+		
+		local pos1 = worldedit.pos1[name]
+		local pos2 = worldedit.pos2[name]
+		
+		if pos1 == nil or pos2 == nil then
+			return false, 
+				"Undefined region. Region must be defined beforehand."
+		end
+		
+		local hv_test = dir:find("[^hv]+")
+		
+		if hv_test ~= nil then
+			return false, "Invalid direction."
+		end
+		
+		if dir == "" or dir == "vh" or dir == "hv" then
+			assert(worldedit.cuboid_volumetric_expand(name, -amount))
+		elseif dir == "h" then
+			assert(worldedit.cuboid_linear_expand(name, 'x', 1, -amount))
+			assert(worldedit.cuboid_linear_expand(name, 'x', -1, -amount))
+			assert(worldedit.cuboid_linear_expand(name, 'z', 1, -amount))
+			assert(worldedit.cuboid_linear_expand(name, 'z', -1, -amount))
+		elseif dir == "v" then
+			assert(worldedit.cuboid_linear_expand(name, 'y', 1, -amount))
+			assert(worldedit.cuboid_linear_expand(name, 'y', -1, -amount))
+		else
+			return false, "Invalid number of arguments"
+		end
+		
+		worldedit.marker_update(name)
+		return true, "Region inset by " .. amount .. " blocks"
+      end,
+  }
+)
+
+
+minetest.register_chatcommand("/shift", {
+	params = "[x|y|z|?|up|down|left|right|front|back] [+|-]<amount>",
+	description = "Moves the selection region. Does not move contents.",
+	privs = {worldedit=true},
+	func = function(name, param)
+		local pos1 = worldedit.pos1[name]
+		local pos2 = worldedit.pos2[name]
+		local find, _, direction, amount = param:find("([%?%l]+)%s*([+-]?%d+)")
+		
+		if find == nil then
+			worldedit.player_notify(name, "invalid usage: " .. param)
+			return
+		end
+		
+		if pos1 == nil or pos2 == nil then
+			worldedit.player_notify(name, 
+				"Undefined region. Region must be defined beforehand.")
+			return
+		end
+		
+		local axis, dir
+		if direction ~= "?" then
+			axis, dir = worldedit.translate_direction(name, direction)
+		else
+			axis, dir = worldedit.player_axis(name)
+		end
+		
+		if axis == nil or dir == nil then
+			return false, "Invalid if looking straight up or down"
+		end
+		
+		assert(worldedit.cuboid_shift(name, axis, amount * dir))
+		worldedit.marker_update(name)
+		
+		return true, "region shifted by " .. amount .. " nodes"
+      end,
+  }
+)
+
+
+minetest.register_chatcommand("/expand", {
+	params = "[+|-]<x|y|z|?|up|down|left|right|front|back> <amount> [reverse-amount]",
+	description = "expand the selection in one or two directions at once",
+	privs = {worldedit=true},
+	func = function(name, param)
+	local find, _, sign, direction, amount, 
+			rev_amount = param:find("([+-]?)([%?%l]+)%s*(%d+)%s*(%d*)")
+	
+	if find == nil then
+		worldedit.player_notify(name, "invalid use: " .. param)
+		return
+	end
+	
+	if worldedit.pos1[name] == nil or worldedit.pos2[name] == nil then
+		worldedit.player_notify(name, 
+		"Undefined region. Region must be defined beforehand.")
+		return
+	end
+	
+	local absolute = direction:find("[xyz?]")
+	local dir, axis
+	
+	if rev_amount == "" then
+		rev_amount = 0
+	end
+	
+	if absolute == nil then
+		axis, dir = worldedit.translate_direction(name, direction)
+		
+		if axis == nil or dir == nil then
+			return false, "Invalid if looking straight up or down"
+		end
+	else
+		if direction == "?" then
+			axis, dir = worldedit.player_axis(name)
+		else
+			axis = direction
+			dir = 1
+		end
+	end
+	
+	if sign == "-" then
+		dir = -dir
+	end
+	
+	worldedit.cuboid_linear_expand(name, axis, dir, amount)
+	worldedit.cuboid_linear_expand(name, axis, -dir, rev_amount)
+	worldedit.marker_update(name)
+      end,
+  }
+)
+
+
+minetest.register_chatcommand("/contract", {
+	params = "[+|-]<x|y|z|?|up|down|left|right|front|back> <amount> [reverse-amount]",
+	description = "contract the selection in one or two directions at once",
+	privs = {worldedit=true},
+	func = function(name, param)
+	local find, _, sign, direction, amount, 
+			rev_amount = param:find("([+-]?)([%?%l]+)%s*(%d+)%s*(%d*)")
+	
+	if find == nil then
+		worldedit.player_notify(name, "invalid use: " .. param)
+		return
+	end
+	
+	if worldedit.pos1[name] == nil or worldedit.pos2[name] == nil then
+		worldedit.player_notify(name, 
+		"Undefined region. Region must be defined beforehand.")
+		return
+	end
+	
+	local absolute = direction:find("[xyz?]")
+	local dir, axis
+	
+	if rev_amount == "" then
+		rev_amount = 0
+	end
+	
+	if absolute == nil then
+		axis, dir = worldedit.translate_direction(name, direction)
+		
+		if axis == nil or dir == nil then
+			return false, "Invalid if looking straight up or down"
+		end
+	else
+		if direction == "?" then
+			axis, dir = worldedit.player_axis(name)
+		else
+			axis = direction
+			dir = 1
+		end
+	end
+	
+	if sign == "-" then
+		dir = -dir
+	end
+	
+	worldedit.cuboid_linear_expand(name, axis, dir, -amount)
+	worldedit.cuboid_linear_expand(name, axis, -dir, -rev_amount)
+	worldedit.marker_update(name)
+      end,
+  }
+)
\ No newline at end of file