MineClone2/mods/ITEMS/mcl_doors/api_trapdoors.lua

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local S = minetest.get_translator("mcl_doors")
-- Wrapper around mintest.pointed_thing_to_face_pos.
local function get_fpos(placer, pointed_thing)
local fpos
-- Workaround: minetest.pointed_thing_to_face_pos crashes in MT 0.4.16 if
-- pointed_thing.under and pointed_thing.above are equal
-- FIXME: Remove this when MT got fixed.
if not vector.equals(pointed_thing.under, pointed_thing.above) then
-- The happy case: Everything is normal
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
fpos = finepos.y % 1
else
-- Fallback if both above and under are equal
fpos = 0
end
return fpos
end
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---- Trapdoor ----
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local on_rotate
if minetest.get_modpath("screwdriver") then
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on_rotate = function(pos, node, user, mode, param2)
-- Flip trapdoor vertically
if mode == screwdriver.ROTATE_AXIS then
local minor = node.param2
if node.param2 >= 20 then
minor = node.param2 - 20
if minor == 3 then
minor = 1
elseif minor == 1 then
minor = 3
end
node.param2 = minor
else
if minor == 3 then
minor = 1
elseif minor == 1 then
minor = 3
end
node.param2 = minor
node.param2 = node.param2 + 20
end
minetest.set_node(pos, node)
return true
end
end
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end
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function mcl_doors:register_trapdoor(name, def)
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local groups = table.copy(def.groups)
if groups == nil then
groups = {}
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end
groups.mesecon_ignore_opaque_dig = 1
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if not def.sound_open then
def.sound_open = "doors_door_open"
end
if not def.sound_close then
def.sound_close = "doors_door_close"
end
local function punch(pos)
local me = minetest.get_node(pos)
local tmp_node
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-- Close
if minetest.get_item_group(me.name, "trapdoor") == 2 then
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minetest.sound_play(def.sound_close, {pos = pos, gain = 0.3, max_hear_distance = 16}, true)
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tmp_node = {name=name, param1=me.param1, param2=me.param2}
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-- Open
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else
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minetest.sound_play(def.sound_open, {pos = pos, gain = 0.3, max_hear_distance = 16}, true)
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tmp_node = {name=name.."_open", param1=me.param1, param2=me.param2}
end
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minetest.set_node(pos, tmp_node)
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end
local on_rightclick
if not def.only_redstone_can_open then
on_rightclick = function(pos, node, clicker)
punch(pos)
end
end
-- Default help texts
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local longdesc, usagehelp, tt_help
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longdesc = def._doc_items_longdesc
if not longdesc then
if def.only_redstone_can_open then
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longdesc = S("Trapdoors are horizontal barriers which can be opened or closed and climbed like a ladder when open. They occupy the upper or lower part of a block, depending on how they have been placed. This trapdoor can only be opened or closed by redstone power.")
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else
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longdesc = S("Trapdoors are horizontal barriers which can be opened or closed and climbed like a ladder when open. They occupy the upper or lower part of a block, depending on how they have been placed. This trapdoor can be opened or closed by hand or redstone power.")
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end
end
usagehelp = def._doc_items_usagehelp
if not usagehelp and not def.only_redstone_can_open then
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usagehelp = S("To open or close this trapdoor, rightclick it or send a redstone signal to it.")
end
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if def.only_redstone_can_open then
tt_help = S("Openable by redstone power")
else
tt_help = S("Openable by players and redstone power")
end
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-- Closed trapdoor
local tile_front = def.tile_front
local tile_side = def.tile_side
if not tile_side then
tile_side = tile_front
end
local tiles_closed = {
tile_front,
tile_front .. "^[transformFY",
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tile_side, tile_side,
tile_side, tile_side,
}
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local groups_closed = groups
groups_closed.trapdoor = 1
groups_closed.deco_block = 1
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minetest.register_node(name, {
description = def.description,
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_tt_help = tt_help,
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_doc_items_longdesc = longdesc,
_doc_items_usagehelp = usagehelp,
drawtype = "nodebox",
tiles = tiles_closed,
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
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inventory_image = def.inventory_image,
wield_image = def.wield_image,
is_ground_content = false,
paramtype = "light",
stack_max = 64,
paramtype2 = "facedir",
sunlight_propagates = true,
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groups = groups_closed,
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_mcl_hardness = def._mcl_hardness,
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_mcl_blast_resistance = def._mcl_blast_resistance,
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sounds = def.sounds,
node_box = {
type = "fixed",
fixed = {
{-8/16, -8/16, -8/16, 8/16, -5/16, 8/16},},
},
mesecons = {effector = {
action_on = (function(pos, node)
punch(pos)
end),
}},
on_place = function(itemstack, placer, pointed_thing)
local p0 = pointed_thing.under
local p1 = pointed_thing.above
local param2 = 0
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local placer_pos = placer:get_pos()
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if placer_pos then
param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
end
local fpos = get_fpos(placer, pointed_thing)
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--local origname = itemstack:get_name()
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if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
or (fpos < -0.5 and fpos > -0.999999999) then
param2 = param2 + 20
if param2 == 21 then
param2 = 23
elseif param2 == 23 then
param2 = 21
end
end
return minetest.item_place(itemstack, placer, pointed_thing, param2)
end,
on_rightclick = on_rightclick,
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on_rotate = on_rotate,
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})
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-- Open trapdoor
local groups_open = table.copy(groups)
local tiles_open = {
tile_side,
tile_side .. "^[transformR180",
tile_side .. "^[transformR270",
tile_side .. "^[transformR90",
tile_front .. "^[transform46",
tile_front .. "^[transformFY",
}
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groups_open.trapdoor = 2
groups_open.not_in_creative_inventory = 1
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minetest.register_node(name.."_open", {
drawtype = "nodebox",
tiles = tiles_open,
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
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is_ground_content = false,
paramtype = "light",
paramtype2 = "facedir",
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-- TODO: Implement Minecraft behaviour: Climbable if directly above
-- ladder w/ matching orientation.
-- Current behavour: Always climbable
climbable = true,
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sunlight_propagates = true,
pointable = true,
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groups = groups_open,
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_mcl_hardness = def._mcl_hardness,
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_mcl_blast_resistance = def._mcl_blast_resistance,
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sounds = def.sounds,
drop = name,
node_box = {
type = "fixed",
fixed = {-0.5, -0.5, 5/16, 0.5, 0.5, 0.5}
},
on_rightclick = on_rightclick,
mesecons = {effector = {
action_off = (function(pos, node)
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punch(pos)
end),
}},
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on_rotate = on_rotate,
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})
if minetest.get_modpath("doc") then
doc.add_entry_alias("nodes", name, "nodes", name.."_open")
end
end