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