Merge branch 'master' of yunohost.local:minetest-mods/item_drop into nalc-1.2-dev

init.lua

@@ -23,27 +23,41 @@ item_drop = {
 	end,
 }
 
-if minetest.settings:get_bool("item_drop.enable_item_pickup") ~= false and
-minetest.settings:get_bool("enable_item_pickup") ~= false then
-	local pickup_gain = tonumber(
-		minetest.settings:get("item_drop.pickup_sound_gain")) or
-		tonumber(minetest.settings:get("item_pickup_gain")) or 0.2
+local function legacy_setting_getbool(name_new, name_old, default)
+	local v = minetest.settings:get_bool(name_new)
+	if v == nil then
+		v = minetest.settings:get_bool(name_new)
+	end
+	if default then
+		return v ~= false
+	end
+	return v
+end
+
+local function legacy_setting_getnumber(name_new, name_old, default)
+	return tonumber(minetest.settings:get(name_new))
+		or tonumber(minetest.settings:get(name_old))
+		or default
+end
+
+if legacy_setting_getbool("item_drop.enable_item_pickup",
+		"enable_item_pickup", true) then
+	local pickup_gain = legacy_setting_getnumber("item_drop.pickup_sound_gain",
+		"item_pickup_gain", 0.2)
 	local pickup_particle =
-		minetest.settings:get_bool("item_drop.pickup_particle") ~= false
-	local pickup_radius = tonumber(
-		minetest.settings:get("item_drop.pickup_radius")) or
-		tonumber(minetest.settings:get("item_pickup_radius")) or 0.75
+		minetest.settings:get_bool("item_drop.pickup_particle", true)
+	local pickup_radius = legacy_setting_getnumber("item_drop.pickup_radius",
+		"item_pickup_radius", 0.75)
 	local magnet_radius = tonumber(
 		minetest.settings:get("item_drop.magnet_radius")) or -1
 	local magnet_time = tonumber(
 		minetest.settings:get("item_drop.magnet_time")) or 5.0
 	local pickup_age = tonumber(
 		minetest.settings:get("item_drop.pickup_age")) or 0.5
-	local key_triggered = minetest.settings:get_bool(
-		"item_drop.enable_pickup_key") or
-		minetest.settings:get_bool("enable_item_pickup_key") ~= false
+	local key_triggered = legacy_setting_getbool("item_drop.enable_pickup_key",
+		"enable_item_pickup_key", true)
 	local key_invert = minetest.settings:get_bool(
-		"item_drop.pickup_keyinvert") or false
+		"item_drop.pickup_keyinvert") ~= false
 	local keytype
 	if key_triggered then
 		keytype = minetest.settings:get("item_drop.pickup_keytype") or
@@ -131,7 +145,7 @@ minetest.settings:get_bool("enable_item_pickup") ~= false then
 	if zero_velocity_mode then
 		function opt_get_ent(object)
 			if object:is_player()
-			or not vector.equals(object:getvelocity(), {x=0, y=0, z=0}) then
+			or not vector.equals(object:get_velocity(), {x=0, y=0, z=0}) then
 				return
 			end
 			local ent = object:get_luaentity()
@@ -246,7 +260,7 @@ minetest.settings:get_bool("enable_item_pickup") ~= false then
 			return
 		end
 
-		local pos = player:getpos()
+		local pos = player:get_pos()
 		pos.y = pos.y+0.5
 		local inv
 
@@ -270,7 +284,7 @@ minetest.settings:get_bool("enable_item_pickup") ~= false then
 					local flying_item
 					local pos2
 					if magnet_mode then
-						pos2 = object:getpos()
+						pos2 = object:get_pos()
 						flying_item = vector.distance(pos, pos2) > pickup_radius
 					end
 					if not flying_item then
@@ -314,45 +328,84 @@ minetest.settings:get_bool("enable_item_pickup") ~= false then
 	minetest.after(3.0, pickup_step)
 end
 
-if minetest.settings:get_bool("item_drop.enable_item_drop") ~= false and
-minetest.settings:get_bool("enable_item_drop") ~= false
+if legacy_setting_getbool("item_drop.enable_item_drop", "enable_item_drop", true)
 and not minetest.settings:get_bool("creative_mode") then
-	function minetest.handle_node_drops(pos, drops)
+	-- Workaround to test if an item metadata (ItemStackMetaRef) is empty
+	local function itemmeta_is_empty(meta)
+		local t = meta:to_table()
+		for k, v in pairs(t) do
+			if k ~= "fields" then
+				return false
+			end
+			assert(type(v) == "table")
+			if next(v) ~= nil then
+				return false
+			end
+		end
+		return true
+	end
+
+	-- Tests if the item has special information such as metadata
+	local function can_split_item(item)
+		return item:get_wear() == 0 and itemmeta_is_empty(item:get_meta())
+	end
+
+	local function spawn_items(pos, items_to_spawn)
+		for i = 1,#items_to_spawn do
+			local obj = minetest.add_item(pos, items_to_spawn[i])
+			if not obj then
+				error("Couldn't spawn item " .. name .. ", drops: "
+					.. dump(drops))
+			end
+
+			local vel = obj:get_velocity()
+			local x = math.random(-5, 4)
+			if x >= 0 then
+				x = x+1
+			end
+			vel.x = 1 / x
+			local z = math.random(-5, 4)
+			if z >= 0 then
+				z = z+1
+			end
+			vel.z = 1 / z
+			obj:set_velocity(vel)
+		end
+	end
+
+	local old_handle_node_drops = minetest.handle_node_drops
+	function minetest.handle_node_drops(pos, drops, player)
+		if player.is_fake_player then
+			-- Node Breaker or similar machines should receive items in the
+			-- inventory
+			return old_handle_node_drops(pos, drops, player)
+		end
 		for i = 1,#drops do
 			local item = drops[i]
-			local count, name
 			if type(item) == "string" then
-				count = 1
-				name = item
-			else
-				count = item:get_count()
-				name = item:get_name()
+				-- The string is not necessarily only the item name,
+				-- so always convert it to ItemStack
+				item = ItemStack(item)
 			end
+			local count = item:get_count()
+			local name = item:get_name()
 
 			-- Sometimes nothing should be dropped
 			if name == ""
-			or not minetest.registered_nodes[name] then
+			or not minetest.registered_items[name] then
 				count = 0
 			end
 
-			for _ = 1,count do
-				local obj = minetest.add_item(pos, name)
-				if not obj then
-					error("Couldn't spawn item " .. name .. ", drops: " .. dump(drops))
+			if count > 0 then
+				-- Split items if possible
+				local items_to_spawn = {item}
+				if can_split_item(item) then
+					for i = 1,count do
+						items_to_spawn[i] = name
+					end
 				end
 
-				local vel = obj:getvelocity()
-				local x = math.random(-5, 4)
-				if x >= 0 then
-					x = x+1
-				end
-				vel.x = 1 / x
-				local z = math.random(-5, 4)
-				if z >= 0 then
-					z = z+1
-				end
-				vel.z = 1 / z
-				obj:set_velocity(vel)
+				spawn_items(pos, items_to_spawn)
 			end
 		end
 	end