+--
+-- This file contains built-in stuff in Minetest implemented in Lua.
+--
+-- It is always loaded and executed after registration of the C API,
+-- before loading and running any mods.
+--
+
function basic_dump2(o)
if type(o) == "number" then
return tostring(o)
air_equivalent = true,
})
+--
+-- stackstring manipulation functions
+-- example stackstring: 'craft "apple" 4'
+-- example item: {type="craft", name="apple"}
+-- example item: {type="tool", name="SteelPick", wear="23272"}
+--
+
+function stackstring_take_item(stackstring)
+ if stackstring == nil then
+ return '', nil
+ end
+ local stacktype = nil
+ stacktype = string.match(stackstring,
+ '([%a%d]+)')
+ if stacktype == "node" or stacktype == "craft" then
+ local itemtype = nil
+ local itemname = nil
+ local itemcount = nil
+ itemtype, itemname, itemcount = string.match(stackstring,
+ '([%a%d]+) "([^"]*)" (%d+)')
+ itemcount = tonumber(itemcount)
+ if itemcount == 0 then
+ return '', nil
+ elseif itemcount == 1 then
+ return '', {type=itemtype, name=itemname}
+ else
+ return itemtype.." \""..itemname.."\" "..(itemcount-1),
+ {type=itemtype, name=itemname}
+ end
+ elseif stacktype == "tool" then
+ local itemtype = nil
+ local itemname = nil
+ local itemwear = nil
+ itemtype, itemname, itemwear = string.match(stackstring,
+ '([%a%d]+) "([^"]*)" (%d+)')
+ itemwear = tonumber(itemwear)
+ return '', {type=itemtype, name=itemname, wear=itemwear}
+ end
+end
+
+function stackstring_put_item(stackstring, item)
+ if item == nil then
+ return stackstring, false
+ end
+ stackstring = stackstring or ''
+ local stacktype = nil
+ stacktype = string.match(stackstring,
+ '([%a%d]+)')
+ stacktype = stacktype or ''
+ if stacktype ~= '' and stacktype ~= item.type then
+ return stackstring, false
+ end
+ if item.type == "node" or item.type == "craft" then
+ local itemtype = nil
+ local itemname = nil
+ local itemcount = nil
+ itemtype, itemname, itemcount = string.match(stackstring,
+ '([%a%d]+) "([^"]*)" (%d+)')
+ itemtype = itemtype or item.type
+ itemname = itemname or item.name
+ if itemcount == nil then
+ itemcount = 0
+ end
+ itemcount = itemcount + 1
+ return itemtype.." \""..itemname.."\" "..itemcount, true
+ elseif item.type == "tool" then
+ if stacktype ~= nil then
+ return stackstring, false
+ end
+ local itemtype = nil
+ local itemname = nil
+ local itemwear = nil
+ itemtype, itemname, itemwear = string.match(stackstring,
+ '([%a%d]+) "([^"]*)" (%d+)')
+ itemwear = tonumber(itemwear)
+ return itemtype.." \""..itemname.."\" "..itemwear, true
+ end
+ return stackstring, false
+end
+
+function stackstring_put_stackstring(stackstring, src)
+ while src ~= '' do
+ --print("src="..dump(src))
+ src, item = stackstring_take_item(src)
+ --print("src="..dump(src).." item="..dump(item))
+ local success
+ stackstring, success = stackstring_put_item(stackstring, item)
+ if not success then
+ return stackstring, false
+ end
+ end
+ return stackstring, true
+end
+
+function test_stackstring()
+ local stack
+ local item
+ local success
+
+ stack, item = stackstring_take_item('node "TNT" 3')
+ assert(stack == 'node "TNT" 2')
+ assert(item.type == 'node')
+ assert(item.name == 'TNT')
+
+ stack, item = stackstring_take_item('craft "with spaces" 2')
+ assert(stack == 'craft "with spaces" 1')
+ assert(item.type == 'craft')
+ assert(item.name == 'with spaces')
+
+ stack, item = stackstring_take_item('craft "with spaces" 1')
+ assert(stack == '')
+ assert(item.type == 'craft')
+ assert(item.name == 'with spaces')
+
+ stack, item = stackstring_take_item('craft "s8df2kj3" 0')
+ assert(stack == '')
+ assert(item == nil)
+
+ stack, item = stackstring_take_item('tool "With Spaces" 32487')
+ assert(stack == '')
+ assert(item.type == 'tool')
+ assert(item.name == 'With Spaces')
+ assert(item.wear == 32487)
+
+ stack, success = stackstring_put_item('node "With Spaces" 40',
+ {type='node', name='With Spaces'})
+ assert(stack == 'node "With Spaces" 41')
+ assert(success == true)
+
+ stack, success = stackstring_put_item('craft "With Spaces" 40',
+ {type='craft', name='With Spaces'})
+ assert(stack == 'craft "With Spaces" 41')
+ assert(success == true)
+
+ stack, success = stackstring_put_item('tool "With Spaces" 32487',
+ {type='tool', name='With Spaces'})
+ assert(stack == 'tool "With Spaces" 32487')
+ assert(success == false)
+
+ stack, success = stackstring_put_item('node "With Spaces" 40',
+ {type='tool', name='With Spaces'})
+ assert(stack == 'node "With Spaces" 40')
+ assert(success == false)
+
+ assert(stackstring_put_stackstring('node "With Spaces" 2',
+ 'node "With Spaces" 1') == 'node "With Spaces" 3')
+end
+test_stackstring()
+
+--
+-- craftitem helpers
+--
+
+minetest.craftitem_place_item = function(item, placer, pos)
+ --print("craftitem_place_item")
+ --print("item: " .. dump(item))
+ --print("placer: " .. dump(placer))
+ --print("pos: " .. dump(pos))
+ minetest.env:add_item(pos, 'craft "' .. item .. '" 1')
+ return true
+end
+
+minetest.craftitem_eat = function(hp_change)
+ return function(item, user, pointed_thing) -- closure
+ --print("craftitem_eat(" .. hp_change .. ")")
+ --print("item: " .. dump(item))
+ --print("user: " .. dump(user))
+ --print("pointed_thing: " .. dump(pointed_thing))
+ user:set_hp(user:get_hp() + hp_change)
+ return true
+ end
+end
+
+--
+-- Creative inventory
+--
+
+minetest.creative_inventory = {}
+
+minetest.add_to_creative_inventory = function(itemstring)
+ table.insert(minetest.creative_inventory, itemstring)
+end
+
+--
+-- Callback registration
+--
+
+function make_registration()
+ local t = {}
+ local registerfunc = function(func) table.insert(t, func) end
+ return t, registerfunc
+end
+
+minetest.registered_on_chat_messages, minetest.register_on_chat_message = make_registration()
+minetest.registered_globalsteps, minetest.register_globalstep = make_registration()
+minetest.registered_on_placenodes, minetest.register_on_placenode = make_registration()
+minetest.registered_on_dignodes, minetest.register_on_dignode = make_registration()
+minetest.registered_on_punchnodes, minetest.register_on_punchnode = make_registration()
+minetest.registered_on_generateds, minetest.register_on_generated = make_registration()
+minetest.registered_on_newplayers, minetest.register_on_newplayer = make_registration()
+minetest.registered_on_respawnplayers, minetest.register_on_respawnplayer = make_registration()
+
+-- END
projects / oweals / minetest.git / blobdiff