MineClone2/mods/ITEMS/REDSTONE/mcl_droppers/init.lua

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--[[ This mod registers 3 nodes:
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- One node for the horizontal-facing dropper (mcl_droppers:dropper)
- One node for the upwards-facing droppers (mcl_droppers:dropper_up)
- One node for the downwards-facing droppers (mcl_droppers:dropper_down)
3 node definitions are needed because of the way the textures are defined.
All node definitions share a lot of code, so this is the reason why there
are so many weird tables below.
]]
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-- For after_place_node
local setup_dropper = function(pos)
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-- Set formspec and inventory
local form = "size[9,8.75]"..
"background[-0.19,-0.25;9.41,9.49;crafting_inventory_9_slots.png]"..
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mcl_vars.inventory_header..
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"image[3,-0.2;5,0.75;mcl_droppers_fnt_dropper.png]"..
"list[current_player;main;0,4.5;9,3;9]"..
"list[current_player;main;0,7.74;9,1;]"..
"list[current_name;main;3,0.5;3,3;]"..
"listring[current_name;main]"..
"listring[current_player;main]"
local meta = minetest.get_meta(pos)
meta:set_string("formspec", form)
local inv = meta:get_inventory()
inv:set_size("main", 9)
end
-- Shared core definition table
local dropperdef = {
is_ground_content = false,
sounds = mcl_sounds.node_sound_stone_defaults(),
after_dig_node = function(pos, oldnode, oldmetadata, digger)
local meta = minetest.get_meta(pos)
local meta2 = meta
meta:from_table(oldmetadata)
local inv = meta:get_inventory()
for i=1, inv:get_size("main") do
local stack = inv:get_stack("main", i)
if not stack:is_empty() then
local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
minetest.add_item(p, stack)
end
end
meta:from_table(meta2:to_table())
end,
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_mcl_blast_resistance = 17.5,
_mcl_hardness = 3.5,
mesecons = {effector = {
-- Drop random item when triggered
action_on = function (pos, node)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local droppos
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if node.name == "mcl_droppers:dropper" then
droppos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
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elseif node.name == "mcl_droppers:dropper_up" then
droppos = {x=pos.x, y=pos.y+1, z=pos.z}
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elseif node.name == "mcl_droppers:dropper_down" then
droppos = {x=pos.x, y=pos.y-1, z=pos.z}
end
local dropnode = minetest.get_node(droppos)
-- Do not drop into solid nodes, unless they are containers
local dropnodedef = minetest.registered_nodes[dropnode.name]
if dropnodedef.walkable and not dropnodedef.groups.container then
return
end
local stacks = {}
for i=1,inv:get_size("main") do
local stack = inv:get_stack("main", i)
if not stack:is_empty() then
table.insert(stacks, {stack = stack, stackpos = i})
end
end
if #stacks >= 1 then
local r = math.random(1, #stacks)
local stack = stacks[r].stack
local dropitem = ItemStack(stack)
dropitem:set_count(1)
local stack_id = stacks[r].stackpos
-- If it's a container, attempt to put it into the container
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local dropped = mcl_util.move_item_container(pos, droppos, nil, stack_id)
-- No container?
if not dropped and not dropnodedef.groups.container then
-- Drop item normally
minetest.add_item(droppos, dropitem)
stack:take_item()
inv:set_stack("main", stack_id, stack)
end
end
end,
rules = mesecon.rules.alldirs,
}}
}
-- Horizontal dropper
local horizontal_def = table.copy(dropperdef)
horizontal_def.description = "Dropper"
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horizontal_def._doc_items_longdesc = "A dropper is a redstone component and a container with 9 inventory slots which, when supplied with redstone power, drops an item or puts it into a container in front of it."
horizontal_def._doc_items_usagehelp = "Droppers can be placed in 6 possible directions, items will be dropped out of the hole. Rightclick the dropper to access its inventory. Supply it with redstone energy once to make the dropper drop or transfer a random item."
horizontal_def.after_place_node = function(pos, placer, itemstack, pointed_thing)
setup_dropper(pos)
-- When placed up and down, convert node to up/down dropper
if pointed_thing.above.y < pointed_thing.under.y then
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minetest.swap_node(pos, {name = "mcl_droppers:dropper_down"})
elseif pointed_thing.above.y > pointed_thing.under.y then
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minetest.swap_node(pos, {name = "mcl_droppers:dropper_up"})
end
-- Else, the normal facedir logic applies
end
horizontal_def.tiles = {
"default_furnace_top.png", "default_furnace_bottom.png",
"default_furnace_side.png", "default_furnace_side.png",
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"default_furnace_side.png", "mcl_droppers_dropper_front_horizontal.png"
}
horizontal_def.paramtype2 = "facedir"
horizontal_def.groups = {pickaxey=1, container=2, material_stone=1}
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minetest.register_node("mcl_droppers:dropper", horizontal_def)
-- Down dropper
local down_def = table.copy(dropperdef)
down_def.description = "Downwards-Facing Dropper"
down_def.after_place_node = setup_dropper
down_def.tiles = {
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"default_furnace_top.png", "mcl_droppers_dropper_front_vertical.png",
"default_furnace_side.png", "default_furnace_side.png",
"default_furnace_side.png", "default_furnace_side.png"
}
down_def.groups = {pickaxey=1, container=2,not_in_creative_inventory=1, material_stone=1}
down_def._doc_items_create_entry = false
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down_def.drop = "mcl_droppers:dropper"
minetest.register_node("mcl_droppers:dropper_down", down_def)
-- Up dropper
-- The up dropper is almost identical to the down dropper, it only differs in textures
local up_def = table.copy(down_def)
up_def.description = "Upwards-Facing Dropper"
up_def.tiles = {
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"mcl_droppers_dropper_front_vertical.png", "default_furnace_bottom.png",
"default_furnace_side.png", "default_furnace_side.png",
"default_furnace_side.png", "default_furnace_side.png"
}
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minetest.register_node("mcl_droppers:dropper_up", up_def)
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-- Ladies and gentlemen, I present to you: the crafting recipe!
minetest.register_craft({
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output = 'mcl_droppers:dropper',
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recipe = {
{"mcl_core:cobble", "mcl_core:cobble", "mcl_core:cobble",},
{"mcl_core:cobble", "", "mcl_core:cobble",},
{"mcl_core:cobble", "mesecons:redstone", "mcl_core:cobble",},
}
})
-- Add entry aliases for the Help
if minetest.get_modpath("doc") then
doc.add_entry_alias("nodes", "mcl_droppers:dropper", "nodes", "mcl_droppers:dropper_down")
doc.add_entry_alias("nodes", "mcl_droppers:dropper", "nodes", "mcl_droppers:dropper_up")
end