MineClone2/mods/ITEMS/mcl_portals/portal_end.lua

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local S = minetest.get_translator("mcl_portals")
-- Parameters
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local SPAWN_MIN = mcl_vars.mg_end_min+70
local SPAWN_MAX = mcl_vars.mg_end_min+98
local PORTAL_ALPHA = 192
if minetest.features.use_texture_alpha_string_modes then
PORTAL_ALPHA = nil
end
local mg_name = minetest.get_mapgen_setting("mg_name")
local destroy_portal = function(pos)
local neighbors = {
{ x=1, y=0, z=0 },
{ x=-1, y=0, z=0 },
{ x=0, y=0, z=1 },
{ x=0, y=0, z=-1 },
}
for n=1, #neighbors do
local npos = vector.add(pos, neighbors[n])
if minetest.get_node(npos).name == "mcl_portals:portal_end" then
minetest.remove_node(npos)
end
end
end
local ep_scheme = {
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{ o={x=0, y=0, z=1}, p=1 },
{ o={x=0, y=0, z=2}, p=1 },
{ o={x=0, y=0, z=3}, p=1 },
{ o={x=1, y=0, z=4}, p=2 },
{ o={x=2, y=0, z=4}, p=2 },
{ o={x=3, y=0, z=4}, p=2 },
{ o={x=4, y=0, z=3}, p=3 },
{ o={x=4, y=0, z=2}, p=3 },
{ o={x=4, y=0, z=1}, p=3 },
{ o={x=3, y=0, z=0}, p=0 },
{ o={x=2, y=0, z=0}, p=0 },
{ o={x=1, y=0, z=0}, p=0 },
}
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-- End portal
minetest.register_node("mcl_portals:portal_end", {
description = S("End Portal"),
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_tt_help = S("Used to construct end portals"),
_doc_items_longdesc = S("An End portal teleports creatures and objects to the mysterious End dimension (and back!)."),
_doc_items_usagehelp = S("Hop into the portal to teleport. Entering an End portal in the Overworld teleports you to a fixed position in the End dimension and creates a 5×5 obsidian platform at your destination. End portals in the End will lead back to your spawn point in the Overworld."),
tiles = {
{
name = "mcl_portals_end_portal.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1.0,
},
},
{
name = "mcl_portals_end_portal.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 6.0,
},
},
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"blank.png",
},
drawtype = "nodebox",
paramtype = "light",
sunlight_propagates = true,
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "blend" or true,
walkable = false,
diggable = false,
pointable = false,
buildable_to = false,
is_ground_content = false,
drop = "",
-- This is 15 in MC.
light_source = 14,
post_effect_color = {a = 192, r = 0, g = 0, b = 0},
alpha = PORTAL_ALPHA,
after_destruct = destroy_portal,
-- This prevents “falling through”
collision_box = {
type = "fixed",
fixed = {
{-0.5, -0.5, -0.5, 0.5, -7/16, 0.5},
},
},
node_box = {
type = "fixed",
fixed = {
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{-0.5, -0.5, -0.5, 0.5, 4/16, 0.5},
},
},
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groups = {portal=1, not_in_creative_inventory = 1, disable_jump = 1},
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_mcl_hardness = -1,
_mcl_blast_resistance = 36000000,
})
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-- Obsidian platform at the End portal destination in the End
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local function build_end_portal_destination(pos)
local p1 = {x = pos.x - 2, y = pos.y, z = pos.z-2}
local p2 = {x = pos.x + 2, y = pos.y+2, z = pos.z+2}
for x = p1.x, p2.x do
for y = p1.y, p2.y do
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for z = p1.z, p2.z do
local newp = {x=x,y=y,z=z}
-- Build obsidian platform
if minetest.registered_nodes[minetest.get_node(newp).name].is_ground_content then
if y == p1.y then
minetest.set_node(newp, {name="mcl_core:obsidian"})
else
minetest.remove_node(newp)
end
end
end
end
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end
end
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-- Check if pos is part of a valid end portal frame, filled with eyes of ender.
local function check_end_portal_frame(pos)
for i = 1, 12 do
local pos0 = vector.subtract(pos, ep_scheme[i].o)
local portal = true
for j = 1, 12 do
local p = vector.add(pos0, ep_scheme[j].o)
local node = minetest.get_node(p)
if not node or node.name ~= "mcl_portals:end_portal_frame_eye" or node.param2 ~= ep_scheme[j].p then
portal = false
break
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end
end
if portal then
return true, {x=pos0.x+1, y=pos0.y, z=pos0.z+1}
end
end
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return false
end
-- Generate or destroy a 3×3 end portal beginning at pos. To be used to fill an end portal framea.
-- If destroy == true, the 3×3 area is removed instead.
local function end_portal_area(pos, destroy)
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local SIZE = 3
local name
if destroy then
name = "air"
else
name = "mcl_portals:portal_end"
end
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local posses = {}
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for x=pos.x, pos.x+SIZE-1 do
for z=pos.z, pos.z+SIZE-1 do
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table.insert(posses, {x=x,y=pos.y,z=z})
end
end
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minetest.bulk_set_node(posses, {name=name})
end
function mcl_portals.end_teleport(obj, pos)
if not obj then return end
local pos = pos or obj:get_pos()
if not pos then return end
local dim = mcl_worlds.pos_to_dimension(pos)
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local target
if dim == "end" then
-- End portal in the End:
-- Teleport back to the player's spawn or world spawn in the Overworld.
if obj:is_player() then
target = mcl_spawn.get_player_spawn_pos(obj)
end
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target = target or mcl_spawn.get_world_spawn_pos(obj)
else
-- End portal in any other dimension:
-- Teleport to the End at a fixed position and generate a
-- 5×5 obsidian platform below.
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local platform_pos = mcl_vars.mg_end_platform_pos
-- force emerge of target1 area
minetest.get_voxel_manip():read_from_map(platform_pos, platform_pos)
if not minetest.get_node_or_nil(platform_pos) then
minetest.emerge_area(vector.subtract(platform_pos, 3), vector.add(platform_pos, 3))
end
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-- Build destination
local function check_and_build_end_portal_destination(pos)
local n = minetest.get_node_or_nil(pos)
if n and n.name ~= "mcl_core:obsidian" then
build_end_portal_destination(pos)
minetest.after(2, check_and_build_end_portal_destination, pos)
elseif not n then
minetest.after(1, check_and_build_end_portal_destination, pos)
end
end
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local platform
build_end_portal_destination(platform_pos)
check_and_build_end_portal_destination(platform_pos)
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target = table.copy(platform_pos)
target.y = target.y + 1
end
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-- Teleport
obj:set_pos(target)
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if obj:is_player() then
-- Look towards the main End island
if dim ~= "end" then
obj:set_look_horizontal(math.pi/2)
end
mcl_worlds.dimension_change(obj, mcl_worlds.pos_to_dimension(target))
minetest.sound_play("mcl_portals_teleport", {pos=target, gain=0.5, max_hear_distance = 16}, true)
end
end
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function mcl_portals.end_portal_teleport(pos, node)
for _,obj in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
local lua_entity = obj:get_luaentity() --maikerumine added for objects to travel
if obj:is_player() or lua_entity then
local objpos = obj:get_pos()
if objpos == nil then
return
end
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-- Check if object is actually in portal.
objpos.y = math.ceil(objpos.y)
if minetest.get_node(objpos).name ~= "mcl_portals:portal_end" then
return
end
mcl_portals.end_teleport(obj, objpos)
end
end
end
minetest.register_abm({
label = "End portal teleportation",
nodenames = {"mcl_portals:portal_end"},
interval = 0.1,
chance = 1,
action = mcl_portals.end_portal_teleport,
})
local rotate_frame, rotate_frame_eye
if minetest.get_modpath("screwdriver") then
-- Intentionally not rotatable
rotate_frame = false
rotate_frame_eye = false
end
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local function after_place_node(pos, placer, itemstack, pointed_thing)
local node = minetest.get_node(pos)
if node then
node.param2 = (node.param2+2) % 4
minetest.swap_node(pos, node)
local ok, ppos = check_end_portal_frame(pos)
if ok then
-- Epic 'portal open' sound effect that can be heard everywhere
minetest.sound_play("mcl_portals_open_end_portal", {gain=0.8}, true)
end_portal_area(ppos)
end
end
end
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minetest.register_node("mcl_portals:end_portal_frame", {
description = S("End Portal Frame"),
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_tt_help = S("Used to construct end portals"),
_doc_items_longdesc = S("End portal frames are used in the construction of End portals. Each block has a socket for an eye of ender.") .. "\n" .. S("NOTE: The End dimension is currently incomplete and might change in future versions."),
_doc_items_usagehelp = S("To create an End portal, you need 12 end portal frames and 12 eyes of ender. The end portal frames have to be arranged around a horizontal 3×3 area with each block facing inward. Any other arrangement will fail.") .. "\n" .. S("Place an eye of ender into each block. The end portal appears in the middle after placing the final eye.") .. "\n" .. S("Once placed, an eye of ender can not be taken back."),
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groups = { creative_breakable = 1, deco_block = 1, end_portal_frame = 1 },
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tiles = { "mcl_portals_endframe_top.png", "mcl_portals_endframe_bottom.png", "mcl_portals_endframe_side.png" },
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
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paramtype2 = "facedir",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = { -0.5, -0.5, -0.5, 0.5, 5/16, 0.5 },
},
is_ground_content = false,
sounds = mcl_sounds.node_sound_stone_defaults(),
paramtype = "light",
sunlight_propagates = false,
light_source = 1,
on_rotate = rotate_frame,
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after_place_node = after_place_node,
_mcl_blast_resistance = 36000000,
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_mcl_hardness = -1,
})
minetest.register_node("mcl_portals:end_portal_frame_eye", {
description = S("End Portal Frame with Eye of Ender"),
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_tt_help = S("Used to construct end portals"),
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_doc_items_create_entry = false,
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groups = { creative_breakable = 1, deco_block = 1, comparator_signal = 15, end_portal_frame = 2 },
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tiles = { "mcl_portals_endframe_top.png^[lowpart:75:mcl_portals_endframe_eye.png", "mcl_portals_endframe_bottom.png", "mcl_portals_endframe_eye.png^mcl_portals_endframe_side.png" },
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
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paramtype2 = "facedir",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -0.5, -0.5, -0.5, 0.5, 5/16, 0.5 }, -- Frame
{ -4/16, 5/16, -4/16, 4/16, 0.5, 4/16 }, -- Eye
},
},
is_ground_content = false,
sounds = mcl_sounds.node_sound_stone_defaults(),
paramtype = "light",
sunlight_propagates = false,
light_source = 1,
on_destruct = function(pos)
local ok, ppos = check_end_portal_frame(pos)
if ok then
end_portal_area(ppos, true)
end
end,
on_rotate = rotate_frame_eye,
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after_place_node = after_place_node,
_mcl_blast_resistance = 36000000,
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_mcl_hardness = -1,
})
if minetest.get_modpath("doc") then
doc.add_entry_alias("nodes", "mcl_portals:end_portal_frame", "nodes", "mcl_portals:end_portal_frame_eye")
end
--[[ ITEM OVERRIDES ]]
-- Portal opener
minetest.override_item("mcl_end:ender_eye", {
on_place = function(itemstack, user, pointed_thing)
-- Use pointed node's on_rightclick function first, if present
local node = minetest.get_node(pointed_thing.under)
if user and not user:get_player_control().sneak then
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
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end
end
-- Place eye of ender into end portal frame
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if pointed_thing.under and node.name == "mcl_portals:end_portal_frame" then
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local protname = user:get_player_name()
if minetest.is_protected(pointed_thing.under, protname) then
minetest.record_protection_violation(pointed_thing.under, protname)
return itemstack
end
minetest.set_node(pointed_thing.under, { name = "mcl_portals:end_portal_frame_eye", param2 = node.param2 })
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if minetest.get_modpath("doc") then
doc.mark_entry_as_revealed(user:get_player_name(), "nodes", "mcl_portals:end_portal_frame")
end
minetest.sound_play(
"default_place_node_hard",
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{pos = pointed_thing.under, gain = 0.5, max_hear_distance = 16}, true)
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if not minetest.is_creative_enabled(user:get_player_name()) then
itemstack:take_item() -- 1 use
end
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local ok, ppos = check_end_portal_frame(pointed_thing.under)
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if ok then
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-- Epic 'portal open' sound effect that can be heard everywhere
minetest.sound_play("mcl_portals_open_end_portal", {gain=0.8}, true)
end_portal_area(ppos)
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if minetest.get_modpath("doc") then
doc.mark_entry_as_revealed(user:get_player_name(), "nodes", "mcl_portals:portal_end")
end
end
end
return itemstack
end,
})
minetest.override_item("mcl_core:bedrock", {
after_destruct = destroy_portal,
})