First Commit

LICENSE

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README.md

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+# Edit Mod
+### [download](https://github.com/minetest-mods/edit/archive/master.zip)
+![Edit Mod screenshot](https://raw.githubusercontent.com/minetest-mods/edit/master/screenshot.png)
+### Usage of this mod discribed in the file directions.html.

description.txt

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+This mod allows you to copy, paste, fill and delete 3D areas.

init.lua

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+--[[
+	Edit Mod v0.1
+]]
+local function sign(x) -- different from math.sign never returns 0.
+	if x > 0 then
+		return 1
+	elseif x < -0 then
+		return -1
+	end
+	return 1
+end
+
+-- Delete Block
+minetest.register_node("edit:delete",{
+	description = "Delete",
+	inventory_image = "edit_delete.png",
+	groups = {snappy = 2, oddly_breakable_by_hand = 3},
+	tiles = {"edit_delete.png"},
+	on_place = function(itemstack, placer, pointed_thing)
+		if clipboard[placer:get_player_name()].deleteBlock1Pos then
+			local p1 = clipboard[placer:get_player_name()].deleteBlock1Pos
+			local p2 = pointed_thing.above
+			
+			minetest.remove_node(p1);
+			
+			p1.x = p1.x + math.sign(p2.x - p1.x)
+			p1.y = p1.y + math.sign(p2.y - p1.y)
+			p1.z = p1.z + math.sign(p2.z - p1.z)
+			p2.x = p2.x + math.sign(p1.x - p2.x)
+			p2.y = p2.y + math.sign(p1.y - p2.y)
+			p2.z = p2.z + math.sign(p1.z - p2.z)
+			
+			for x = p1.x, p2.x, sign(p2.x - p1.x) do
+				for y = p1.y, p2.y, sign(p2.y - p1.y) do
+					for z = p1.z, p2.z, sign(p2.z - p1.z) do
+						minetest.remove_node({x=x, y=y, z=z});
+					end
+				end
+			end
+			clipboard[placer:get_player_name()].deleteBlock1Pos = nil
+		else
+			minetest.set_node(pointed_thing.above, {name = "edit:delete"})
+			clipboard[placer:get_player_name()].deleteBlock1Pos = pointed_thing.above
+		end
+	end,
+	on_dig = function(pos, node, digger)
+		for name, value in pairs(clipboard) do
+			minetest.remove_node(pos);
+			if
+				clipboard[name].deleteBlock1Pos
+				and clipboard[name].deleteBlock1Pos.x == pos.x
+				and clipboard[name].deleteBlock1Pos.y == pos.y
+				and clipboard[name].deleteBlock1Pos.z == pos.z
+			then
+				clipboard[name].deleteBlock1Pos = nil
+				break
+			end
+		end
+	end
+})
+
+-- Copy Block
+minetest.register_node("edit:copy",{
+	description = "Copy",
+	tiles = {"edit_copy.png"},
+	inventory_image = "edit_copy.png",
+	groups = {snappy = 2, oddly_breakable_by_hand = 3},
+	on_place = function(itemstack, placer, pointed_thing)
+		if clipboard[placer:get_player_name()].copyBlock1Pos then
+			clipboard[placer:get_player_name()].copyData = {} -- clear out old copy data
+			local copyData = clipboard[placer:get_player_name()].copyData
+			local p1 = clipboard[placer:get_player_name()].copyBlock1Pos
+			local p2 = pointed_thing.above
+			
+			minetest.remove_node(p1); -- remove copy block 1.
+			-- We don't have to remove copy block 2 because we never placed!
+			
+			local offsetX = math.sign(p2.x - p1.x)
+			local offsetY = math.sign(p2.y - p1.y)
+			local offsetZ = math.sign(p2.z - p1.z)
+			
+			p1.x = p1.x + math.sign(p2.x - p1.x)
+			p1.y = p1.y + math.sign(p2.y - p1.y)
+			p1.z = p1.z + math.sign(p2.z - p1.z)
+
+			p2.x = p2.x + math.sign(p1.x - p2.x)
+			p2.y = p2.y + math.sign(p1.y - p2.y)
+			p2.z = p2.z + math.sign(p1.z - p2.z)
+			
+			for x = p1.x, p2.x, sign(p2.x - p1.x) do
+				local xDif = offsetX + x - p1.x
+				copyData[xDif] = {}
+				for y = p1.y, p2.y, sign(p2.y - p1.y) do
+					local yDif = offsetY + y - p1.y
+					copyData[xDif][yDif] = {}
+					for z = p1.z, p2.z, sign(p2.z - p1.z) do
+						local zDif = offsetZ + z - p1.z
+						copyData[xDif][yDif][zDif] = minetest.get_node(
+							{x = x, y = y, z = z}
+						)
+					end
+				end
+			end
+			clipboard[placer:get_player_name()].copyBlock1Pos = nil
+		else
+			minetest.set_node(pointed_thing.above, {name = "edit:copy"})
+			clipboard[placer:get_player_name()].copyBlock1Pos = pointed_thing.above
+		end
+	end,
+	on_dig = function(pos, node, digger)
+		for name, value in pairs(clipboard) do
+			minetest.remove_node(pos);
+			if
+				clipboard[name].copyBlock1Pos
+				and clipboard[name].copyBlock1Pos.x == pos.x
+				and clipboard[name].copyBlock1Pos.y == pos.y
+				and clipboard[name].copyBlock1Pos.z == pos.z
+			then
+				clipboard[name].copyBlock1Pos = nil
+				break
+			end
+		end
+	end
+})
+
+-- Paste Block
+minetest.register_node("edit:paste", {
+	description = "Paste",
+	tiles = {"edit_paste.png"},
+	inventory_image = "edit_paste.png",
+	groups = {snappy = 2, oddly_breakable_by_hand = 3},
+	on_place = function(itemstack, placer, pointed_thing)
+		local copyData = clipboard[placer:get_player_name()].copyData
+		local pos = pointed_thing.above
+		for x, yTable in pairs(copyData) do
+			for y, zTable in pairs(yTable) do
+				for z, node in pairs(zTable) do
+					minetest.set_node(
+						{
+							x = pos.x + x,
+							y = pos.y + y,
+							z = pos.z + z
+						},
+						node
+					)
+				end
+			end
+		end
+	end
+})
+
+-- Fill Block
+minetest.register_node("edit:fill",{
+	description = "Fill",
+	tiles = {"edit_fill.png"},
+	inventory_image = "edit_fill.png",
+	groups = {snappy = 2, oddly_breakable_by_hand = 3},
+	on_place = function(itemstack, placer, pointed_thing)
+		if clipboard[placer:get_player_name()].fillBlock1Pos then
+			minetest.set_node(pointed_thing.above, {name = "edit:fill"})
+			clipboard[placer:get_player_name()].fillBlock2Pos = pointed_thing.above
+				
+			local inv = minetest.get_inventory({type = "player", name = placer:get_player_name()})
+			local formSpec = "size[8,6]label[0.5,0.5;Select the material you would like to use]button_exit[7,0;1,1;quit;X]"
+			for y = 1, 4 do
+				for x = 1, 8 do
+					local name = inv:get_stack("main", ((y - 1) * 8) + x):get_name()
+					formSpec
+					=
+					formSpec
+					.. "item_image_button["
+					.. (x - 1) .. ","
+					.. (y + 1) .. ";1,1;"
+					.. name .. ";"
+					.. name .. ";]"
+				end
+			end
+			minetest.show_formspec(placer:get_player_name(), "edit:pasteType", formSpec)
+		else
+			minetest.set_node(pointed_thing.above, {name = "edit:fill"})
+			clipboard[placer:get_player_name()].fillBlock1Pos = pointed_thing.above
+		end
+	end,
+	on_dig = function(pos, node, digger)
+		minetest.remove_node(pos);
+		for name, value in pairs(clipboard) do
+			if
+				clipboard[name].fillBlock1Pos
+				and clipboard[name].fillBlock1Pos.x == pos.x
+				and clipboard[name].fillBlock1Pos.y == pos.y
+				and clipboard[name].fillBlock1Pos.z == pos.z
+			then
+				clipboard[name].fillBlock1Pos = nil
+				break
+			elseif
+				clipboard[name].fillBlock2Pos
+				and clipboard[name].fillBlock2Pos.x == pos.x
+				and clipboard[name].fillBlock2Pos.y == pos.y
+				and clipboard[name].fillBlock2Pos.z == pos.z
+			then
+				clipboard[digger:get_player_name()].fillBlock2Pos = nil
+				break
+			end
+		end
+	end
+})
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname == "edit:pasteType" then
+		for key, value in pairs(fields) do
+			if
+				clipboard[player:get_player_name()].fillBlock1Pos
+				and clipboard[player:get_player_name()].fillBlock2Pos
+			then
+				local p1 = clipboard[player:get_player_name()].fillBlock1Pos
+				local p2 = clipboard[player:get_player_name()].fillBlock2Pos
+				if key == "quit" then
+					minetest.remove_node(p1)
+					minetest.remove_node(p2)
+					clipboard[player:get_player_name()].fillBlock1Pos = nil
+					clipboard[player:get_player_name()].fillBlock2Pos = nil
+				else
+					if key == "" then key = "air" end
+					local def = minetest.registered_nodes[key]
+					if not def then return end
+					local param2
+					if def.paramtype2 == "facedir" then
+						param2 = minetest.dir_to_facedir(player:get_look_dir())
+					elseif def.paramtype2 == "wallmounted" then
+						param2 = minetest.dir_to_wallmounted(player:get_look_dir(), true)
+					end
+					--minetest.chat_send_all("" .. param2)
+					for x = p1.x, p2.x, sign(p2.x - p1.x) do
+						for y = p1.y, p2.y, sign(p2.y - p1.y) do
+							for z = p1.z, p2.z, sign(p2.z - p1.z) do
+								minetest.set_node({x = x, y = y, z = z}, {name = key, param2 = param2})
+							end
+						end
+					end
+					minetest.close_formspec(player:get_player_name(), "edit:pasteType")
+					clipboard[player:get_player_name()].fillBlock1Pos = nil
+					clipboard[player:get_player_name()].fillBlock2Pos = nil
+				end
+			end
+		end
+		return true
+	end
+    return false
+end)
+
+clipboard = {};
+minetest.register_on_joinplayer(function(player)
+	clipboard[player:get_player_name()] = {
+		["fillBlock1Pos"] = nil,
+		["fillBlock2Pos"] = nil,
+		["copyBlock1Pos"] = nil,
+		["deleteBlock1Pos"] = nil,
+		["copyData"] = {},
+	};
+end);
+minetest.register_on_leaveplayer(function(player)
+	clipboard[player:get_player_name()] = nil
+end);

mod.conf

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+name = edit