Add logging of various events.

3 files changed, 10 insertions, 4 deletions

diff --git a/node_builders.lua b/node_builders.lua
index 394b627..f173c63 100644
--- a/node_builders.lua
+++ b/node_builders.lua
@@ -197,6 +197,7 @@ minetest.register_node("digtron:builder", {
 		local build_facing = meta:get_int("build_facing")
 		local facing = minetest.get_node(pos).param2
 		local buildpos = digtron.find_new_pos(pos, facing)
+		local oldnode = minetest.get_node(buildpos)
 		
 		if (buildpos[controlling_coordinate] + meta:get_int("offset")) % meta:get_int("period") ~= 0 then
 			return nil
@@ -210,6 +211,7 @@ minetest.register_node("digtron:builder", {
 				if digtron.creative_mode then
 					local returned_stack, success = digtron.item_place_node(item_stack, player, buildpos, tonumber(build_facing))
 					if success == true then
+						minetest.log("action", string.format("%s uses Digtron to build %s at (%d, %d, %d), displacing %s", player:get_player_name(), item_stack:get_name(), buildpos.x, buildpos.y, buildpos.z, oldnode.name))
 						nodes_dug:set(buildpos.x, buildpos.y, buildpos.z, false)
 						return true
 					end
@@ -223,6 +225,7 @@ minetest.register_node("digtron:builder", {
 				end
 				local returned_stack, success = digtron.item_place_node(item_stack, player, buildpos, tonumber(build_facing))
 				if success == true then
+					minetest.log("action", string.format("%s uses Digtron to build %s at (%d, %d, %d), displacing %s", player:get_player_name(), item_stack:get_name(), buildpos.x, buildpos.y, buildpos.z, oldnode.name))
 					--flag this node as *not* to be dug.
 					nodes_dug:set(buildpos.x, buildpos.y, buildpos.z, false)
 					return true
diff --git a/node_controllers.lua b/node_controllers.lua
index c897502..4c521da 100644
--- a/node_controllers.lua
+++ b/node_controllers.lua
@@ -190,7 +190,7 @@ local execute_cycle = function(pos, clicker)
 	end
 		
 	--move the array
-	digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug)
+	digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug, clicker:get_player_name())
 	local oldpos = {x=pos.x, y=pos.y, z=pos.z}
 	pos = digtron.find_new_pos(pos, facing)
 	meta = minetest.get_meta(pos)
@@ -246,6 +246,7 @@ local execute_cycle = function(pos, clicker)
 	local node_to_dig, whether_to_dig = nodes_dug:pop()
 	while node_to_dig ~= nil do
 		if whether_to_dig == true then
+			minetest.log("action", string.format("%s uses Digtron to dig %s at (%d, %d, %d)", clicker:get_player_name(), minetest.get_node(node_to_dig).name, node_to_dig.x, node_to_dig.y, node_to_dig.z))
 			minetest.remove_node(node_to_dig)
 		end
 		-- all of the digtron's nodes wind up in nodes_dug, so this is an ideal place to stick
diff --git a/util.lua b/util.lua
index a74f21f..05582e3 100644
--- a/util.lua
+++ b/util.lua
@@ -95,9 +95,11 @@ digtron.can_move_to = function(pos, protected_nodes, dug_nodes)
 	return false
 end
 
-digtron.move_node = function(pos, newpos)
+digtron.move_node = function(pos, newpos, player_name)
 	-- Moves nodes, preserving digtron metadata and inventory
 	local node = minetest.get_node(pos)
+	local oldnode = minetest.get_node(newpos)
+	minetest.log("action", string.format("%s moves %s from (%d, %d, %d) to (%d, %d, %d), displacing %s", player_name, node.name, pos.x, pos.y, pos.z, newpos.x, newpos.y, newpos.z, oldnode.name))
 	minetest.add_node(newpos, { name=node.name, param1=node.param1, param2=node.param2 })
 
 	local oldmeta = minetest.get_meta(pos)
@@ -276,7 +278,7 @@ digtron.take_from_inventory = function(itemname, inventory_positions)
 	return nil
 end
 
-digtron.move_digtron = function(facing, digtrons, extents, nodes_dug)
+digtron.move_digtron = function(facing, digtrons, extents, nodes_dug, player_name)
 	-- move everything. Note! order is important or they'll step on each other, that's why this has complicated loops and filtering.
 	-- Nodes are moved in a "caterpillar" pattern - front plane first, then next plane back, then next plane back, etc.
 	-- positions in the digtron list will be updated when this method executes. Note that the inventories list shares
@@ -334,7 +336,7 @@ digtron.move_digtron = function(facing, digtrons, extents, nodes_dug)
 		for k, location in pairs(digtrons) do
 			if location[filter] == index then
 				local newpos = digtron.find_new_pos(location, facing)
-				digtron.move_node(location, newpos)
+				digtron.move_node(location, newpos, player_name)
 				--By updating the digtron position table in-place we also update all the special node tables as well
 				digtrons[k].x= newpos.x
 				digtrons[k].y= newpos.y