lib_materials/lib_materials_chatcommands.lua

local S = lib_materials.intllib

minetest.register_chatcommand("emerge_area", {
 	params = "x1 y1 z1 x2 y2 z2",
 	description = S("Generate map in a square box from pos1(x1,y1,z1) to pos2(x2,y2,z2)./nUsage:  /emerge_area x1 y1 z1 x2 y2 z2"),
 	func = function(name, params)
--		local found, _, s_x1, s_y1, s_z1, s_x2, s_y2, s_z2 = params:find("^%s*(%d+)%s*(-?%d*)%s*$")
		local found, _, s_x1, s_y1, s_z1, s_x2, s_y2, s_z2 = params:find("^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)[ ] *([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
	if found == nil then
		minetest.chat_send_player(name, "Usage: /mapgen x1 y1 z1 x2 y2 z2")
		return
	end

	local pos1 = {x=tonumber(s_x1), y=tonumber(s_y1), z=tonumber(s_z1)}
	local pos2 = {x=tonumber(s_x2), y=tonumber(s_y2), z=tonumber(s_z2)}	

	local start_time = minetest.get_us_time()

	minetest.emerge_area(pos1, pos2, function(blockpos, action, remaining)
		local dt = math.floor((minetest.get_us_time() - start_time) / 1000)
		local block = (blockpos.x * 16)..","..(blockpos.y * 16)..","..(blockpos.z * 16)
		local info = "(mapgen-"..remaining.."-"..dt.."ms) "
		if action==core.EMERGE_GENERATED then
			minetest.chat_send_player(name, info.."Generated new block at "..block)
		elseif (action==core.EMERGE_CANCELLED) or (action==core.EMERGE_ERRORED) then
			minetest.chat_send_player(name, info.."Block at "..block.." did not emerge")
		else
			--minetest.chat_send_player(name, "(mapgen-"..remaining.."-"..dt.."s) Visited block at "..(blockpos.x)..","..(blockpos.y)..","..(blockpos.z))
		end
	
		if remaining<=0 then
			minetest.chat_send_player(name, "(mapgen-"..dt.."ms) Generation done.")
		end
	end
	)
end
})

minetest.register_chatcommand("emerge_radius", {
 	params = "radius [max_height]",
 	description = S("Generate map in a square box of size 2*radius centered at your current position."),
 	func = function(name, params)
		local found, _, s_radius, s_height = params:find("^%s*(%d+)%s*(-?%d*)%s*$")
	if found == nil then
		minetest.chat_send_player(name, "Usage: /mapgen radius max_height")
		return
	end

	local player = minetest.get_player_by_name(name)
	local pos = player:getpos()

	local radius = tonumber(s_radius)
	local max_height = tonumber(s_height)

	if max_height == nil then
		max_height = pos.y+1
	end

	if radius == 0 then
		radius = 1
	end

	local start_pos = {
		x = pos.x - radius,
		y = pos.y,
		z = pos.z - radius
	}

	local end_pos = {
		x = pos.x + radius,
		y = max_height,
		z = pos.z + radius
	}

	local start_time = minetest.get_us_time()

	minetest.emerge_area(start_pos, end_pos, function(blockpos, action, remaining)
		local dt = math.floor((minetest.get_us_time() - start_time) / 1000)
		local block = (blockpos.x * 16)..","..(blockpos.y * 16)..","..(blockpos.z * 16)
		local info = "(mapgen-"..remaining.."-"..dt.."ms) "
		if action==core.EMERGE_GENERATED then
			minetest.chat_send_player(name, info.."Generated new block at "..block)
		elseif (action==core.EMERGE_CANCELLED) or (action==core.EMERGE_ERRORED) then
			minetest.chat_send_player(name, info.."Block at "..block.." did not emerge")
		else
			--minetest.chat_send_player(name, "(mapgen-"..remaining.."-"..dt.."s) Visited block at "..(blockpos.x)..","..(blockpos.y)..","..(blockpos.z))
		end
	
		if remaining<=0 then
			minetest.chat_send_player(name, "(mapgen-"..dt.."ms) Generation done.")
		end
	end
	)
end
})


minetest.register_chatcommand("biomes_get", {
    params = "",
	description = S("List all biomes."),
	_doc_items_longdesc = S("List all biomes as registered with minetest.registered_biomes"),
	_doc_items_usagehelp = S("Type /biomes_get in the console."),
    func = function(name)
        local list_biomes = "REGISTERED BIOMES:\n"
		local filename = "biomes_list.txt";
		local path = minetest.get_worldpath()..'/'..filename;
		local file = io.open( path, 'w' );
		
		for biome_name, biome_def in pairs(minetest.registered_biomes) do
			list_biomes = list_biomes .. "\t" .. biome_name .. "\n"
		end

		if( file ) then
			if list_biomes ~= nil then
				minetest.chat_send_player(name, S(list_biomes))
				file:write(list_biomes)
				file:close();
			end
		else
			print("[listitems] Error: listToFile '"..tostring( path ).."' could not be written.");
		end

	end

})

minetest.register_chatcommand("decorations_get", {
    params = "",
	description = S("List all decorations."),
	_doc_items_longdesc = S("List all decorations as registered with minetest.registered_decorations"),
	_doc_items_usagehelp = S("Type /decorations_get in the console."),
     func = function(name)
	
		local list_decorations = ""
		local filename = "decorations_list.txt";
		local path = minetest.get_worldpath()..'/'..filename;
		local file = io.open( path, 'w' );

		minetest.chat_send_player(name, S("Start Decorations List"))
		for _, deco_def in pairs(minetest.registered_decorations) do
		
			list_decorations = list_decorations .. dump(deco_def, " ") .. "\n"
			
			--dump(deco_def, list_decorations)

			
			-- if deco_def.deco_type ~= "schematic" then
			
				-- list_decorations = list_decorations .. "\t" .. tostring(deco_def.decoration) .. "\n"
			-- end
		end
		minetest.chat_send_player(name, S("End Decorations List"))
		file:write(list_decorations)
		file:close();

        --minetest.chat_send_player(name, S(list_decorations))

	end
})