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authorLoïc Blot <nerzhul@users.noreply.github.com>2017-03-06 20:34:02 +0100
committerGitHub <noreply@github.com>2017-03-06 20:34:02 +0100
commit9878ce05e75421820115b8eaaf3752ab4bd06e57 (patch)
treed1e4ba51f082a1c04e230eefc374ba10104575ad /src/unittest/CMakeLists.txt
parent0e27b4b978d81504a9e3bf221e6e4691c720e6ef (diff)
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CI: Add memleak checking using valgrind (#5350)
Add a new step to check memleaks on our current unit tests suite
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-- Minetest: builtin/item_entity.lua

function core.spawn_item(pos, item)
	-- Take item in any format
	local stack = ItemStack(item)
	local obj = core.add_entity(pos, "__builtin:item")
	-- Don't use obj if it couldn't be added to the map.
	if obj then
		obj:get_luaentity():set_item(stack:to_string())
	end
	return obj
end

-- If item_entity_ttl is not set, enity will have default life time
-- Setting it to -1 disables the feature

local time_to_live = tonumber(core.setting_get("item_entity_ttl"))
if not time_to_live then
	time_to_live = 900
end

core.register_entity(":__builtin:item", {
	initial_properties = {
		hp_max = 1,
		physical = true,
		collide_with_objects = false,
		collisionbox = {-0.3, -0.3, -0.3, 0.3, 0.3, 0.3},
		visual = "wielditem",
		visual_size = {x = 0.4, y = 0.4},
		textures = {""},
		spritediv = {x = 1, y = 1},
		initial_sprite_basepos = {x = 0, y = 0},
		is_visible = false,
	},

	itemstring = '',
	physical_state = true,
	age = 0,

	set_item = function(self, itemstring)
		self.itemstring = itemstring
		local stack = ItemStack(itemstring)
		local count = stack:get_count()
		local max_count = stack:get_stack_max()
		if count > max_count then
			count = max_count
			self.itemstring = stack:get_name().." "..max_count
		end
		local s = 0.2 + 0.1 * (count / max_count)
		local c = s
		local itemtable = stack:to_table()
		local itemname = nil
		if itemtable then
			itemname = stack:to_table().name
		end
		-- Backwards compatibility: old clients use the texture
		-- to get the type of the item
		local item_texture = nil
		local item_type = ""
		if core.registered_items[itemname] then
			item_texture = core.registered_items[itemname].inventory_image
			item_type = core.registered_items[itemname].type
		end
		local prop = {
			is_visible = true,
			visual = "wielditem",
			textures = {itemname},
			visual_size = {x = s, y = s},
			collisionbox = {-c, -c, -c, c, c, c},
			automatic_rotate = math.pi * 0.5,
			wield_item = itemstring,
		}
		self.object:set_properties(prop)
	end,

	get_staticdata = function(self)
		return core.serialize({
			itemstring = self.itemstring,
			always_collect = self.always_collect,
			age = self.age,
			dropped_by = self.dropped_by
		})
	end,

	on_activate = function(self, staticdata, dtime_s)
		if string.sub(staticdata, 1, string.len("return")) == "return" then
			local data = core.deserialize(staticdata)
			if data and type(data) == "table" then
				self.itemstring = data.itemstring
				self.always_collect = data.always_collect
				if data.age then
					self.age = data.age + dtime_s
				else
					self.age = dtime_s
				end
				self.dropped_by = data.dropped_by
			end
		else
			self.itemstring = staticdata
		end
		self.object:set_armor_groups({immortal = 1})
		self.object:setvelocity({x = 0, y = 2, z = 0})
		self.object:setacceleration({x = 0, y = -10, z = 0})
		self:set_item(self.itemstring)
	end,

  -- moves items from this stack to an other stack
	try_merge_with = function(self, own_stack, object, obj)
	  -- other item's stack
		local stack = ItemStack(obj.itemstring)
		-- only merge if items are the same
		if own_stack:get_name() == stack:get_name() and
				own_stack:get_meta() == stack:get_meta() and
				own_stack:get_wear() == stack:get_wear() and
				stack:get_free_space() > 0 then
			local overflow = false
			local count = stack:get_count() + own_stack:get_count()
			local max_count = stack:get_stack_max()
			if count > max_count then