cuberite-2a/MCServer/Plugins/Debuggers/Debuggers.lua

-- Global variables
PLUGIN = {};	-- Reference to own plugin object
ShouldDumpFunctions = false;  -- If set to true, all available functions are logged upon plugin initialization





function Initialize(Plugin)
	PLUGIN = Plugin
	
	Plugin:SetName("Debuggers")
	Plugin:SetVersion(1)
	
	PluginManager = cRoot:Get():GetPluginManager()
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_PLAYER_USING_ITEM)
	PluginManager:AddHook(Plugin, cPluginManager.HOOK_TAKE_DAMAGE)
	
	LOG("Initialized " .. Plugin:GetName() .. " v." .. Plugin:GetVersion())

	-- dump all available functions to console:
	if (ShouldDumpFunctions) then
		LOG("Dumping all available functions:");
		function dump (prefix, a, Output)
			for i, v in pairs (a) do
				if (type(v) == "table") then
					if (GetChar(i, 1) ~= ".") then
						if (v == _G) then
							LOG(prefix .. i .. " == _G, CYCLE, ignoring");
						elseif (v == _G.package) then
							LOG(prefix .. i .. " == _G.package, ignoring");
						else
							dump(prefix .. i .. ".", v, Output)
						end
					end
				elseif (type(v) == "function") then
					if (string.sub(i, 1, 2) ~= "__") then
						table.insert(Output, prefix .. i .. "()");
					end
				end
			end
		end

		local Output = {};
		dump("", _G, Output);

		table.sort(Output);
		local f = io.open("API.txt", "w");
		for i, n in ipairs(Output) do
			f:write(n, "\n");
		end
		f:close();
	end

	return true
end





function OnPlayerUsingItem(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ)

	-- dont check if the direction is in the air
	if (BlockFace == BLOCK_FACE_NONE) then
		return false
	end

	local HeldItem = Player:GetEquippedItem();


	if (HeldItem.m_ItemType == E_ITEM_STICK) then
		-- Magic sTick of ticking: set the pointed block for ticking at the next tick
		Player:SendMessage(cChatColor.LightGray .. "Setting next block tick to {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}")
		Player:GetWorld():SetNextBlockTick(BlockX, BlockY, BlockZ);
		return true
	end


	if (HeldItem.m_ItemType == E_ITEM_BLAZE_ROD) then
		-- Magic rod of query: show block types and metas for both neighbors of the pointed face
		local Type = 0;
		local Meta = 0;
		local Valid = false;
		Valid, Type, Meta = Player:GetWorld():GetBlockTypeMeta(BlockX, BlockY, BlockZ, Type, Meta);

		if (Type == E_BLOCK_AIR) then
			Player:SendMessage(cChatColor.LightGray .. "Block {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}: air:" .. Meta);
		else
			local TempItem = cItem(Type, 1, Meta);
			Player:SendMessage(cChatColor.LightGray .. "Block {" .. BlockX .. ", " .. BlockY .. ", " .. BlockZ .. "}: " .. ItemToFullString(TempItem) .. " (" .. Type .. ":" .. Meta .. ")");
		end
		
		local X = BlockX;
		local Y = BlockY;
		local Z = BlockZ;
		X, Y, Z = AddFaceDirection(BlockX, BlockY, BlockZ, BlockFace);
		Valid, Type, Meta = Player:GetWorld():GetBlockTypeMeta(X, Y, Z, Type, Meta);
		if (Type == E_BLOCK_AIR) then
			Player:SendMessage(cChatColor.LightGray .. "Block {" .. X .. ", " .. Y .. ", " .. Z .. "}: air:" .. Meta);
		else
			local TempItem = cItem(Type, 1, Meta);
			Player:SendMessage(cChatColor.LightGray .. "Block {" .. X .. ", " .. Y .. ", " .. Z .. "}: " .. ItemToFullString(TempItem) .. " (" .. Type .. ":" .. Meta .. ")");
			return true;
		end
	end


	-- Rclk with a diamond to read a block area, dump it, crop it, dump it again, crop it again...
	if (Player:GetEquippedItem().m_ItemType == E_ITEM_DIAMOND) then
		local Area = cBlockArea();
		Area:Read(Player:GetWorld(),
			BlockX - 9, BlockX + 9,
			BlockY - 7, BlockY + 7,
			BlockZ - 9, BlockZ + 9
		);

		LOG("Size before cropping: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
		Area:DumpToRawFile("crop0.dat");
		Area:Crop(2, 3, 0, 0, 0, 0);
		LOG("Size after cropping 1: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
		Area:DumpToRawFile("crop1.dat");
		Area:Crop(2, 3, 0, 0, 0, 0);
		LOG("Size after cropping 2: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
		Area:DumpToRawFile("crop2.dat");
		Area:Crop(0, 0, 0, 0, 3, 2);
		LOG("Size after cropping 3: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
		Area:DumpToRawFile("crop3.dat");
		Area:Crop(0, 0, 3, 2, 0, 0);
		LOG("Size after cropping 4: " .. Area:GetSizeX() .. " x " .. Area:GetSizeY() .. " x " .. Area:GetSizeZ());
		Area:DumpToRawFile("crop4.dat");

		LOG("Crop test done");
		return false;
	end


	-- Rclk with an eye of ender places a predefined schematic at the cursor
	if (Player:GetEquippedItem().m_ItemType == E_ITEM_EYE_OF_ENDER) then
		local Area = cBlockArea();
		if not(Area:LoadFromSchematicFile("schematics/test.schematic")) then
			LOG("Loading failed");
			return false;
		end
		LOG("Schematic loaded, placing now.");
		Area:Write(Player:GetWorld(), BlockX, BlockY, BlockZ);
		LOG("Done.");
		return false;
	end
	
	
	-- Rclk with an ender pearl saves a predefined area around the cursor into a .schematic file
	if (Player:GetEquippedItem().m_ItemType == E_ITEM_ENDER_PEARL) then
		local Area = cBlockArea();
		if not(Area:Read(Player:GetWorld(), 
			BlockX - 8, BlockX + 8, BlockY - 8, BlockY + 8, BlockZ - 8, BlockZ + 8)
		) then
			LOG("LUA: Area couldn't be read");
			return false;
		end
		LOG("LUA: Area read, saving now.");
		if not(Area:SaveToSchematicFile("schematics/out.schematic")) then
			LOG("LUA: Cannot save schematic file.");
			return false;
		end
		LOG("LUA: Done.");
		return false;
	end
	
end





function OnTakeDamage(Receiver, TDI)
	-- Receiver is cPawn
	-- TDI is TakeDamageInfo

	LOG(Receiver:GetClass() .. " was dealt RawDamage " .. TDI.RawDamage .. ", FinalDamage " .. TDI.FinalDamage .. " (that is, " .. (TDI.RawDamage - TDI.FinalDamage) .. " HPs covered by armor)");
end