mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-21 09:27:25 +02:00
Implement custom item dropper handlers, implement droppers placing minecarts
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@ -850,6 +850,19 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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return itemstack
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end
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local function dropper_place_minecart(dropitem, pos)
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local node = minetest.get_node(pos)
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local nodedef = minetest.registered_nodes[node.name]
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-- Don't try to place the minecart if pos isn't a rail
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if (nodedef.groups.rail or 0) == 0 then return false end
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mcl_minecarts.place_minecart(dropitem, {
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above = pos,
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under = vector.offset(pos,0,-1,0)
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})
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return true
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end
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local function register_craftitem(itemstring, entity_id, description, tt_help, longdesc, usagehelp, icon, creative)
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entity_mapping[itemstring] = entity_id
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@ -860,6 +873,7 @@ local function register_craftitem(itemstring, entity_id, description, tt_help, l
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end
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local def = {
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stack_max = 1,
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_mcl_dropper_on_drop = dropper_place_minecart,
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on_place = function(itemstack, placer, pointed_thing)
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if not pointed_thing.type == "node" then
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return
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@ -129,9 +129,9 @@ local dropperdef = {
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-- If they are containers - double down as hopper
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mcl_util.hopper_push(pos, droppos)
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end
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if dropnodedef.walkable then
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return
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end
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if dropnodedef.walkable then return end
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-- Build a list of items in the dropper
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local stacks = {}
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for i = 1, inv:get_size("main") do
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local stack = inv:get_stack("main", i)
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@ -139,12 +139,32 @@ local dropperdef = {
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table.insert(stacks, { stack = stack, stackpos = i })
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end
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end
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-- Pick an item to drop
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local dropitem = nil
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local stack = nil
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local r = nil
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if #stacks >= 1 then
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local r = math.random(1, #stacks)
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local stack = stacks[r].stack
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local dropitem = ItemStack(stack)
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r = math.random(1, #stacks)
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stack = stacks[r].stack
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dropitem = ItemStack(stack)
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dropitem:set_count(1)
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local stack_id = stacks[r].stackpos
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end
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if not dropitem then return end
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-- Flag for if the item was dropped. If true the item will be removed from
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-- the inventory after dropping
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local item_dropped = false
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-- Check if the drop item has a custom handler
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local itemdef = minetest.registered_craftitems[dropitem:get_name()]
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if itemdef._mcl_dropper_on_drop then
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item_dropped = itemdef._mcl_dropper_on_drop(dropitem, droppos)
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end
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-- If a custom handler wasn't successful then drop the item as an entity
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if not item_dropped then
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-- Drop as entity
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local pos_variation = 100
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droppos = vector.offset(droppos,
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math.random(-pos_variation, pos_variation) / 1000,
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@ -156,6 +176,12 @@ local dropperdef = {
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local speed = 3
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item_entity:set_velocity(vector.multiply(drop_vel, speed))
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stack:take_item()
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item_dropped = trie
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end
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-- Remove dropped items from inventory
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if item_dropped then
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local stack_id = stacks[r].stackpos
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inv:set_stack("main", stack_id, stack)
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end
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end,
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