90 lines
2.8 KiB
Lua
90 lines
2.8 KiB
Lua
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local TIMER_INTERVAL = 0.8
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local TIMER_INTERVAL_LONG = 2.0
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local DEF_RADIUS = 3
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local INV_MAIN = "main"
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local ITEM_TAKE_PER_CYCLE_LIMIT = 10
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local NUM_PARTICLES_PER_COLLECT = 3
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local function random_offset()
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return vector.new((math.random() - 0.5)/4, (math.random() - 0.5)/4, (math.random() - 0.5)/4)
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end
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local function add_particle_effect_for_item_taken(itemPos, vaccuumPos)
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for _ = 1, NUM_PARTICLES_PER_COLLECT do
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local startPos = vector.add(itemPos, random_offset())
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local endPos = vector.add(vaccuumPos, vector.new(0, -0.45, 0))
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local vel = vector.multiply(vector.normalize(vector.subtract(endPos, startPos)), 2)
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minetest.add_particle({
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pos = startPos,
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velocity = vel,
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expirationtime = 2,
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size = 1,
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collisiondetection = true,
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collision_removal = true,
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object_collision = false,
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texture = "logistica_vaccuum_particle.png",
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})
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end
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end
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-- returns how many were inserted
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local function collect_items_into(pos, distance)
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local inserted = 0
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local nodeName = minetest.get_node(pos).name
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if not logistica.is_vaccuum_supplier(nodeName) then return inserted end
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local nodeDef = minetest.registered_nodes[nodeName]
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if not nodeDef or not nodeDef.logistica or not nodeDef.on_metadata_inventory_put then
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return inserted
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end
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distance = distance + 0.5
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local minPos = vector.subtract(pos, distance)
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local maxPos = vector.add(pos, distance)
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local inv = minetest.get_meta(pos):get_inventory()
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for _, obj in pairs(minetest.get_objects_in_area(minPos, maxPos)) do
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local entity = obj:get_luaentity()
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if entity
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and entity.name == "__builtin:item"
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and entity.itemstring ~= "" then
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local itemStack = ItemStack(entity.itemstring)
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if inv:room_for_item(INV_MAIN, itemStack) then
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add_particle_effect_for_item_taken(obj:get_pos(), pos)
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inv:add_item(INV_MAIN, itemStack)
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-- this look unsafe, but we only target our supplier nodes
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entity.itemstring = ""
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inserted = inserted + 1
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obj:remove()
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if ITEM_TAKE_PER_CYCLE_LIMIT > 0
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and inserted >= ITEM_TAKE_PER_CYCLE_LIMIT then
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nodeDef.on_metadata_inventory_put(pos, nil, nil, nil, nil)
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return inserted
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end
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end
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end
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end
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if inserted > 0 then
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nodeDef.on_metadata_inventory_put(pos, nil, nil, nil, nil)
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end
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return inserted
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end
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-- global functions
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function logistica.vaccuum_chest_on_timer(pos, elapsed)
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if not logistica.is_machine_on(pos) then return false end
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local inserted = collect_items_into(pos, DEF_RADIUS)
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if inserted then
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logistica.start_node_timer(pos, TIMER_INTERVAL)
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else
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logistica.start_node_timer(pos, TIMER_INTERVAL_LONG)
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end
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return false
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end
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function logistica.vaccuum_chest_on_power(pos, power)
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logistica.set_node_tooltip_from_state(pos, nil, power)
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logistica.start_node_timer(pos, TIMER_INTERVAL)
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end
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