Add shears

mods/default/crafting.lua

@@ -227,6 +227,14 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = 'default:shears',
+	recipe = {
+		{'', 'default:iron_ingot'},
+		{'default:iron_ingot', ''},
+	}
+})
+
 minetest.register_craft({
 	output = 'default:rail 16',
 	recipe = {

mods/default/functions.lua

@@ -297,6 +297,18 @@ minetest.register_abm({
 			-- Drop stuff other than the node itself
 			itemstacks = minetest.get_node_drops(n0.name)
 			for _, itemname in ipairs(itemstacks) do
+				if n0.name == "default:leaves" then
+					if math.random(1, 30) == 1 then
+						itemname = "default:apple"
+					end
+					if math.random(1, 20) == 1 then
+						itemname = "default:sapling"
+					end
+				elseif n0.name == "default:jungleleaves" then
+					if math.random(1, 20) == 1 then
+						itemname = "default:junglesapling"
+					end
+				end
 				if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
 						itemname ~= n0.name then
 					local p_drop = {
@@ -305,7 +317,9 @@ minetest.register_abm({
 						z = p0.z - 0.5 + math.random(),
 					}
 					local obj = minetest.env:add_item(p_drop, itemname)
-					obj:get_luaentity().collect = true
+					if obj then
+						obj:get_luaentity().collect = true
+					end
 				end
 			end
 			-- Remove node

mods/default/nodes.lua

@@ -178,14 +178,40 @@ minetest.register_node("default:jungleleaves", {
 	tiles = {"default_jungleleaves.png"},
 	paramtype = "light",
 	groups = {snappy=default.dig.leaves, leafdecay=3, flammable=2, leaves=1},
-	drop = {
-		max_items = 1,
-		items = {
-			{items = {'default:junglesapling'},rarity = 20},
-		}
-	},
+	drop = "",
 	stack_max = 64,
 	sounds = default.node_sound_leaves_defaults(),
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		local nn = "default:jungleleaves"
+		if math.random(1, 20) == 1 then
+			nn = "default:junglesapling"
+		end
+		if minetest.setting_getbool("creative_mode") then
+			local inv = digger:get_inventory()
+			if not inv:contains_item("main", ItemStack(nn)) then
+				inv:add_item("main", ItemStack(nn))
+			end
+		else
+			if digger:get_wielded_item():get_name() == "default:shears" or nn ~= "default:jungleleaves" then
+				local obj = minetest.env:add_item(pos, nn)
+				if obj ~= nil then
+					obj:get_luaentity().collect = true
+					local x = math.random(1, 5)
+					if math.random(1,2) == 1 then
+						x = -x
+					end
+					local z = math.random(1, 5)
+					if math.random(1,2) == 1 then
+						z = -z
+					end
+					obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
+				end
+			end
+		end
+	end,
+	after_place_node = function(pos, placer, itemstack)
+		minetest.env:set_node(pos, {name="default:jungleleaves", param2=1})
+	end,
 })
 
 minetest.register_node("default:junglesapling", {
@@ -237,15 +263,43 @@ minetest.register_node("default:leaves", {
 	tiles = {"default_leaves.png"},
 	paramtype = "light",
 	groups = {snappy=default.dig.leaves, leafdecay=3, flammable=2, leaves=1},
-	drop = {
-		max_items = 1,
-		items = {
-			{items = {'default:sapling'},rarity = 20},
-			{items = {'default:apple'},rarity = 30},
-		}
-	},
+	drop = "",
 	stack_max = 64,
 	sounds = default.node_sound_leaves_defaults(),
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		local nn = "default:leaves"
+		if math.random(1, 30) == 1 then
+			nn = "default:apple"
+		end
+		if math.random(1, 20) == 1 then
+			nn = "default:sapling"
+		end
+		if minetest.setting_getbool("creative_mode") then
+			local inv = digger:get_inventory()
+			if not inv:contains_item("main", ItemStack(nn)) then
+				inv:add_item("main", ItemStack(nn))
+			end
+		else
+			if digger:get_wielded_item():get_name() == "default:shears" or nn ~= "default:leaves" then
+				local obj = minetest.env:add_item(pos, nn)
+				if obj ~= nil then
+					obj:get_luaentity().collect = true
+					local x = math.random(1, 5)
+					if math.random(1,2) == 1 then
+						x = -x
+					end
+					local z = math.random(1, 5)
+					if math.random(1,2) == 1 then
+						z = -z
+					end
+					obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
+				end
+			end
+		end
+	end,
+	after_place_node = function(pos, placer, itemstack)
+		minetest.env:set_node(pos, {name="default:leaves", param2=1})
+	end,
 })
 
 minetest.register_node("default:cactus", {

mods/default/tools.lua

@@ -463,3 +463,21 @@ minetest.register_tool("default:sword_diamond", {
 		damage_groups = {fleshy=8},
 	}
 })
+
+--
+-- Shears
+--
+minetest.register_tool("default:shears", {
+	description = "Shears",
+	inventory_image = "default_shears.png",
+	tool_capabilities = {
+		groupcaps = get_groupcaps(0, "snappy", {
+			times = {
+				[default.dig.leaves] = 0.05,
+				[default.dig.wool] = 0.25,
+			}, uses=238}
+		),
+		full_punch_interval = 1,
+		damage_groups = {fleshy=1},
+	}
+})