forked from MineClone5/MineClone5
449 lines
13 KiB
Lua
449 lines
13 KiB
Lua
-- Parameters
|
||
|
||
local TCAVE = 0.6
|
||
local nobj_cave = nil
|
||
|
||
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")
|
||
|
||
-- 3D noise
|
||
|
||
local np_cave = {
|
||
offset = 0,
|
||
scale = 1,
|
||
spread = {x = 384, y = 128, z = 384}, -- squashed 3:1
|
||
seed = 59033,
|
||
octaves = 5,
|
||
persist = 0.7
|
||
}
|
||
|
||
-- Destroy portal if pos (portal frame or portal node) got destroyed
|
||
local destroy_portal = function(pos)
|
||
-- Deactivate Nether portal
|
||
local meta = minetest.get_meta(pos)
|
||
local p1 = minetest.string_to_pos(meta:get_string("portal_frame1"))
|
||
local p2 = minetest.string_to_pos(meta:get_string("portal_frame2"))
|
||
if not p1 or not p2 then
|
||
return
|
||
end
|
||
|
||
local first = true
|
||
|
||
-- p1 metadata of first node
|
||
local mp1
|
||
for x = p1.x, p2.x do
|
||
for y = p1.y, p2.y do
|
||
for z = p1.z, p2.z do
|
||
local p = vector.new(x, y, z)
|
||
local m = minetest.get_meta(p)
|
||
if first then
|
||
--[[ Only proceed if the first node still has metadata.
|
||
If it doesn't have metadata, another node propably triggred the delection
|
||
routine earlier, so we bail out earlier to avoid an infinite cascade
|
||
of on_destroy events. ]]
|
||
mp1 = minetest.string_to_pos(m:get_string("portal_frame1"))
|
||
if not mp1 then
|
||
return
|
||
end
|
||
end
|
||
local nn = minetest.get_node(p).name
|
||
if nn == "mcl_portals:portal_end" then
|
||
-- Remove portal nodes, but not myself
|
||
if nn == "mcl_portals:portal_end" and not vector.equals(p, pos) then
|
||
minetest.remove_node(p)
|
||
end
|
||
-- Clear metadata of portal nodes and the frame
|
||
m:set_string("portal_frame1", "")
|
||
m:set_string("portal_frame2", "")
|
||
m:set_string("portal_target", "")
|
||
end
|
||
first = false
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
-- End portal
|
||
minetest.register_node("mcl_portals:portal_end", {
|
||
description = "End Portal",
|
||
_doc_items_longdesc = "An End portal teleports creatures and objects to the mysterious End dimension (and back!).",
|
||
_doc_items_usagehelp = "Stand in the portal for a moment to activate the teleportation. 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,
|
||
},
|
||
},
|
||
"blank.png",
|
||
"blank.png",
|
||
"blank.png",
|
||
"blank.png",
|
||
"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,
|
||
node_box = {
|
||
type = "fixed",
|
||
fixed = {
|
||
{-0.5, -0.5, -0.5, 0.5, 4/16, 0.5},
|
||
},
|
||
},
|
||
groups = {not_in_creative_inventory = 1},
|
||
on_destruct = destroy_portal,
|
||
|
||
_mcl_hardness = -1,
|
||
_mcl_blast_resistance = 18000000,
|
||
})
|
||
|
||
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
|
||
|
||
local function move_check2(p1, max, dir)
|
||
local p = {x = p1.x, y = p1.y, z = p1.z}
|
||
local d = math.abs(max - p1[dir]) / (max - p1[dir])
|
||
|
||
while p[dir] ~= max do
|
||
p[dir] = p[dir] + d
|
||
if minetest.get_node(p).name ~= fake_portal_frame then
|
||
return false
|
||
end
|
||
-- Abort if any of the portal frame blocks already has metadata.
|
||
-- This mod does not yet portals which neighbor each other directly.
|
||
-- TODO: Reorganize the way how portal frame coordinates are stored.
|
||
local meta = minetest.get_meta(p)
|
||
local p1 = meta:get_string("portal_frame1")
|
||
if minetest.string_to_pos(p1) ~= nil then
|
||
return false
|
||
end
|
||
end
|
||
|
||
return true
|
||
end
|
||
|
||
local function check_end_portal(p1, p2)
|
||
if p1.x ~= p2.x then
|
||
if not move_check2(p1, p2.x, "x") then
|
||
return false
|
||
end
|
||
if not move_check2(p2, p1.x, "x") then
|
||
return false
|
||
end
|
||
elseif p1.z ~= p2.z then
|
||
if not move_check2(p1, p2.z, "z") then
|
||
return false
|
||
end
|
||
if not move_check2(p2, p1.z, "z") then
|
||
return false
|
||
end
|
||
else
|
||
return false
|
||
end
|
||
|
||
if not move_check2(p1, p2.y, "y") then
|
||
return false
|
||
end
|
||
if not move_check2(p2, p1.y, "y") then
|
||
return false
|
||
end
|
||
|
||
return true
|
||
end
|
||
|
||
local function is_end_portal(pos)
|
||
for d = -3, 3 do
|
||
for y = -4, 4 do
|
||
local px = {x = pos.x + d, y = pos.y + y, z = pos.z}
|
||
local pz = {x = pos.x, y = pos.y + y, z = pos.z + d}
|
||
|
||
if check_end_portal(px, {x = px.x + 3, y = px.y + 4, z = px.z}) then
|
||
return px, {x = px.x + 3, y = px.y + 4, z = px.z}
|
||
end
|
||
if check_end_portal(pz, {x = pz.x, y = pz.y + 4, z = pz.z + 3}) then
|
||
return pz, {x = pz.x, y = pz.y + 4, z = pz.z + 3}
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
local function make_end_portal(pos)
|
||
local p1, p2 = is_end_portal(pos)
|
||
if not p1 or not p2 then
|
||
return false
|
||
end
|
||
|
||
for d = 1, 2 do
|
||
for y = p1.y + 1, p2.y - 1 do
|
||
local p
|
||
if p1.z == p2.z then
|
||
p = {x = p1.x + d, y = y, z = p1.z}
|
||
else
|
||
p = {x = p1.x, y = y, z = p1.z + d}
|
||
end
|
||
if minetest.get_node(p).name ~= "air" then
|
||
return false
|
||
end
|
||
end
|
||
end
|
||
|
||
local param2
|
||
if p1.z == p2.z then
|
||
param2 = 0
|
||
else
|
||
param2 = 1
|
||
end
|
||
|
||
for d = 0, 3 do
|
||
for y = p1.y, p2.y do
|
||
local p = {}
|
||
if param2 == 0 then
|
||
p = {x = p1.x + d, y = y, z = p1.z}
|
||
else
|
||
p = {x = p1.x, y = y, z = p1.z + d}
|
||
end
|
||
if minetest.get_node(p).name == "air" then
|
||
minetest.set_node(p, {name = "mcl_portals:portal_end", param2 = param2})
|
||
end
|
||
local meta = minetest.get_meta(p)
|
||
|
||
-- Portal frame corners
|
||
meta:set_string("portal_frame1", minetest.pos_to_string(p1))
|
||
meta:set_string("portal_frame2", minetest.pos_to_string(p2))
|
||
|
||
-- Portal target coordinates
|
||
meta:set_string("portal_target", minetest.pos_to_string(target3))
|
||
end
|
||
end
|
||
|
||
return true
|
||
end
|
||
|
||
minetest.register_abm({
|
||
label = "End portal teleportation",
|
||
nodenames = {"mcl_portals:portal_end"},
|
||
interval = 1,
|
||
chance = 1,
|
||
action = function(pos, node)
|
||
-- Destroy legacy end portals created with quartz block frame
|
||
-- by turning them into cobwebs.
|
||
-- We can tell if a end portal is legacy if it has portal_target as metadata.
|
||
-- FIXME: Remove this after some time.
|
||
local meta = minetest.get_meta(pos)
|
||
local legacy_portal_target = meta:get_string("portal_frame1")
|
||
if legacy_portal_target and legacy_portal_target ~= "" then
|
||
minetest.set_node(pos, {name="mcl_core:cobweb"})
|
||
return
|
||
end
|
||
|
||
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 _, dim = mcl_util.y_to_layer(pos.y)
|
||
|
||
local target
|
||
if dim == "end" then
|
||
-- End portal in the End:
|
||
-- Teleport back to the player's spawn in the Overworld.
|
||
-- TODO: Implement better spawn point detection
|
||
|
||
target = minetest.string_to_pos(obj:get_attribute("mcl_beds:spawn"))
|
||
if not target then
|
||
target = minetest.setting_get_pos("static_spawnpoint")
|
||
end
|
||
if not target then
|
||
target = { x=0, y=0, z=0 }
|
||
if mg_name == "flat" then
|
||
target.y = mcl_vars.mg_bedrock_overworld_max + 5
|
||
end
|
||
end
|
||
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
|
||
|
||
local objpos = obj:getpos()
|
||
if objpos == nil then
|
||
return
|
||
end
|
||
-- If player stands, player is at ca. something+0.5
|
||
-- which might cause precision problems, so we used ceil.
|
||
objpos.y = math.ceil(objpos.y)
|
||
if minetest.get_node(objpos).name ~= "mcl_portals:portal_end" then
|
||
return
|
||
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
|
||
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 End island
|
||
if dim ~= "end" then
|
||
obj:set_look_horizontal(math.pi/2)
|
||
end
|
||
minetest.sound_play("mcl_portals_teleport", {pos=target, gain=0.5, max_hear_distance = 16})
|
||
end
|
||
end
|
||
end
|
||
end,
|
||
})
|
||
|
||
|
||
--[[ ITEM OVERRIDES ]]
|
||
|
||
-- End Portal Frame (TODO)
|
||
minetest.register_node("mcl_portals:end_portal_frame", {
|
||
description = "End Portal Frame",
|
||
groups = { creative_breakable = 1, deco_block = 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,
|
||
_mcl_blast_resistance = 18000000,
|
||
_mcl_hardness = -1,
|
||
})
|
||
|
||
minetest.register_node("mcl_portals:end_portal_frame_eye", {
|
||
description = "End Portal Frame with Eye of Ender",
|
||
_doc_items_create_entry = false,
|
||
groups = { creative_breakable = 1, not_in_creative_inventory = 1 },
|
||
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,
|
||
_mcl_blast_resistance = 18000000,
|
||
_mcl_hardness = -1,
|
||
-- TODO: Destroy end portal if this block got destroyed
|
||
})
|
||
|
||
if minetest.get_modpath("doc") then
|
||
doc.add_entry_alias("nodes", "mcl_portals:end_portal_frame", "nodes", "mcl_portals:end_portal_frame_eye")
|
||
end
|
||
|
||
|
||
-- Portal opener
|
||
minetest.override_item("mcl_end:ender_eye", {
|
||
_doc_items_longdesc = "An eye of ender can be used to open End portals.",
|
||
-- TODO: _doc_items_usagehelp = ,
|
||
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
|
||
|
||
-- If used on portal frame, open a portal
|
||
-- FIXME: This is the fake portal. Remove when the real end portal frame works
|
||
if pointed_thing.under and node.name == fake_portal_frame then
|
||
local opened = make_end_portal(pointed_thing.under)
|
||
if opened then
|
||
if minetest.get_modpath("doc") then
|
||
doc.mark_entry_as_revealed(user:get_player_name(), "nodes", "mcl_portals:portal_end")
|
||
end
|
||
minetest.sound_play(
|
||
"fire_flint_and_steel",
|
||
{pos = pointed_thing.above, gain = 0.5, max_hear_distance = 16})
|
||
if not minetest.settings:get_bool("creative_mode") then
|
||
itemstack:take_item() -- 1 use
|
||
end
|
||
end
|
||
|
||
-- Place eye of ender into end portal frame
|
||
elseif pointed_thing.under and node.name == "mcl_portals:end_portal_frame" then
|
||
-- TODO: Open real end portal
|
||
minetest.swap_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})
|
||
if not minetest.settings:get_bool("creative_mode") then
|
||
itemstack:take_item() -- 1 use
|
||
end
|
||
end
|
||
return itemstack
|
||
end,
|
||
})
|
||
|