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MineClone2/mods/ITEMS/mcl_portals/portal_end.lua

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local S = minetest.get_translator("mcl_portals")
-- Parameters
local SPAWN_MIN = mcl_vars.mg_end_min+70
local SPAWN_MAX = mcl_vars.mg_end_min+98
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 = {
{ o={x=0, y=0, z=1}, p=3 },
{ o={x=0, y=0, z=2}, p=3 },
{ o={x=0, y=0, z=3}, p=3 },
{ o={x=1, y=0, z=4}, p=0 },
{ o={x=2, y=0, z=4}, p=0 },
{ o={x=3, y=0, z=4}, p=0 },
{ o={x=4, y=0, z=3}, p=1 },
{ o={x=4, y=0, z=2}, p=1 },
{ o={x=4, y=0, z=1}, p=1 },
{ o={x=3, y=0, z=0}, p=2 },
{ o={x=2, y=0, z=0}, p=2 },
{ o={x=1, y=0, z=0}, p=2 },
}
-- End portal
minetest.register_node("mcl_portals:portal_end", {
description = S("End Portal"),
_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,
},
},
"blank.png",
},
drawtype = "nodebox",
paramtype = "light",
sunlight_propagates = true,
use_texture_alpha = 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 = 192,
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 = {
{-0.5, -0.5, -0.5, 0.5, 4/16, 0.5},
},
},
groups = {portal=1, not_in_creative_inventory = 1, disable_jump = 1},
_mcl_hardness = -1,
_mcl_blast_resistance = 36000000,
})
-- Obsidian platform at the End portal destination in the End
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
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
end
end
-- 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
end
end
if portal then
return true, {x=pos0.x+1, y=pos0.y, z=pos0.z+1}
end
end
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)
local SIZE = 3
local name
if destroy then
name = "air"
else
name = "mcl_portals:portal_end"
end
local posses = {}
for x=pos.x, pos.x+SIZE-1 do
for z=pos.z, pos.z+SIZE-1 do
table.insert(posses, {x=x,y=pos.y,z=z})
end
end
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)
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
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.
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
-- 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
local platform
build_end_portal_destination(platform_pos)
check_and_build_end_portal_destination(platform_pos)
target = table.copy(platform_pos)
target.y = target.y + 1
end
-- Teleport
obj:set_pos(target)
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
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
-- 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
minetest.register_node("mcl_portals:end_portal_frame", {
description = S("End Portal Frame"),
_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."),
groups = { creative_breakable = 1, deco_block = 1, end_portal_frame = 1 },
tiles = { "mcl_portals_endframe_top.png", "mcl_portals_endframe_bottom.png", "mcl_portals_endframe_side.png" },
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,
_mcl_blast_resistance = 36000000,
_mcl_hardness = -1,
})
minetest.register_node("mcl_portals:end_portal_frame_eye", {
description = S("End Portal Frame with Eye of Ender"),
_tt_help = S("Used to construct end portals"),
_doc_items_create_entry = false,
groups = { creative_breakable = 1, deco_block = 1, comparator_signal = 15, end_portal_frame = 2 },
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" },
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_construct = function(pos)
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,
on_rotate = rotate_frame_eye,
_mcl_blast_resistance = 36000000,
_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
end
end
-- Place eye of ender into end portal frame
if pointed_thing.under and node.name == "mcl_portals:end_portal_frame" then
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 })
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",
{pos = pointed_thing.under, gain = 0.5, max_hear_distance = 16}, true)
if not minetest.is_creative_enabled(user:get_player_name()) then
itemstack:take_item() -- 1 use
end
local ok = check_end_portal_frame(pointed_thing.under)
if ok then
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,
})