add minimum minetest version key for contentdb

Respect protection when placing saplings

See merge request VanessaE/moretrees!6

crafts.lua

@@ -117,10 +117,39 @@ for i in ipairs(moretrees.cutting_tools) do
 		},
 		replacements = {
 			{ "moretrees:coconut", "moretrees:raw_coconut" },
-			{ tool, tool }
 		}
 	})
 end
+-- give tool back with wear preserved
+minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
+	if (itemstack:get_name() == "moretrees:coconut_milk") then
+		for i, j in pairs(old_craft_grid) do
+			-- find tool used to do the craft
+			local ocg_name = j:get_name()
+			if ((ocg_name ~= "") and (ocg_name ~= "moretrees:coconut") and (ocg_name ~= "vessels:drinking_glass")) then
+				-- create a new tool and set wear
+				local t = ItemStack(ocg_name)
+				local w = j:get_wear()
+				-- works if tool used is an axe
+				local uses = j:get_tool_capabilities().groupcaps.choppy.uses or 0
+				if (w == 0 and uses ~= 0) then
+					-- tool has never been used
+					-- use tool once
+					t:set_wear(65535/(9*(uses - 1)))
+				else
+					-- set wear back
+					t:set_wear(w)
+					-- use tool once
+					if (uses ~= 0) then
+						t:add_wear(65535/(9*(uses - 1)))
+					end
+				end
+				-- add to craft inventory
+				craft_inv:add_item("craft", t)
+			end
+		end
+  	end
+end)
 
 minetest.register_craft({
 	type = "shapeless",

mod.conf

@@ -1 +1,4 @@
 name = moretrees
+depends = default, biome_lib, vessels
+optional_depends = doors, stairs, moreblocks, intllib, farming
+min_minetest_version = 5.2.0

node_defs.lua

@@ -119,6 +119,18 @@ for i in ipairs(moretrees.treelist) do
 			},
 			groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
 			sounds = default.node_sound_defaults(),
+			on_place = function(itemstack, placer, pointed_thing)
+				itemstack = default.sapling_on_place(itemstack, placer, pointed_thing,
+					"moretrees:" ..treename.. "_sapling",
+					-- minp, maxp to be checked, relative to sapling pos
+					-- minp_relative.y = 1 because sapling pos has been checked
+					{x = -3, y = 1, z = -3},
+					{x = 3, y = 6, z = 3},
+					-- maximum interval of interior volume check
+					4)
+
+				return itemstack
+			end,
 		})
 
 		local moretrees_leaves_inventory_image = nil
@@ -261,7 +273,19 @@ for i in ipairs(moretrees.treelist) do
 		},
 		groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
 		sounds = default.node_sound_defaults(),
-		drop = "moretrees:"..treename.."_sapling"
+		drop = "moretrees:"..treename.."_sapling",
+		on_place = function(itemstack, placer, pointed_thing)
+				itemstack = default.sapling_on_place(itemstack, placer, pointed_thing,
+					"moretrees:" ..treename.. "_sapling_ongen",
+					-- minp, maxp to be checked, relative to sapling pos
+					-- minp_relative.y = 1 because sapling pos has been checked
+					{x = -3, y = 1, z = -3},
+					{x = 3, y = 6, z = 3},
+					-- maximum interval of interior volume check
+					4)
+
+				return itemstack
+			end,
 	})
 
 	local fruitname = nil