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Keep portal type in metadata for non-traditional portals

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Makes the portal system more flexible - new portal shapes don't have to ensure there's a frame node at the timerPos
This commit is contained in:
Treer 2019-07-21 17:08:42 +10:00 committed by Treer
parent d2a18ad130
commit 84def1709c
1 changed files with 27 additions and 18 deletions
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45
portal_api.lua
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@ -367,7 +367,7 @@ function ambient_sound_play(portal_definition, soundPos, timerNodeMeta)
-- Using "os.time() % soundLength == 0" is lightweight but means delayed starts, so trying a stored lastPlayed
if os.time() >= lastPlayed + soundLength then
local soundHandle = minetest.sound_play(portal_definition.sounds.ambient, {pos = soundPos, max_hear_distance = 6})
local soundHandle = minetest.sound_play(portal_definition.sounds.ambient, {pos = soundPos, max_hear_distance = 8})
if timerNodeMeta ~= nil then
timerNodeMeta:set_int("ambient_sound_handle", soundHandle)
timerNodeMeta:set_int("ambient_sound_last_played", os.time())
@ -440,7 +440,7 @@ function extinguish_portal(pos, node_name, frame_was_destroyed)
m:set_string("p1", "")
m:set_string("p2", "")
m:set_string("target", "")
m:set_string("frame_node_name", "")
m:set_string("portal_type", "")
end
end
end
@ -493,10 +493,10 @@ local function set_portal_metadata(portal_definition, anchorPos, orientation, de
extinguish_portal(pos, node_name, false)
-- clear the metadata to avoid causing a loop if extinguish_portal() fails on this node (e.g. it only works on frame nodes)
meta:set_string("p1", nil)
meta:set_string("p2", nil)
meta:set_string("target", nil)
meta:set_string("frame_node_name", nil)
meta:set_string("p1", nil)
meta:set_string("p2", nil)
meta:set_string("target", nil)
meta:set_string("portal_type", nil)
update_aborted = true
return true -- short-circuit the update
@ -507,12 +507,16 @@ local function set_portal_metadata(portal_definition, anchorPos, orientation, de
meta:set_string("p1", minetest.pos_to_string(p1))
meta:set_string("p2", minetest.pos_to_string(p2))
meta:set_string("target", minetest.pos_to_string(destination_wormholePos))
-- including "frame_node_name" in the metadata lets us know which kind of portal this is.
-- It's not strictly necessary for PortalShape_Traditional as we know that p1 is part of
-- the frame, and legacy portals don't have this extra metadata - indicating obsidian,
-- but p1 isn't always loaded so reading this from the metadata saves an extra call to
-- minetest.getnode().
meta:set_string("frame_node_name", portal_definition.frame_node_name)
if portal_definition.name ~= "nether_portal" then
-- Legacy portals won't have this extra metadata, so don't rely on it.
-- It's not strictly necessary for PortalShape_Traditional as we know that p1 is part of
-- the frame and we can look up the portal type from p1, p2, and frame node name.
-- Being able to read this from the metadata means other portal shapes needn't have their
-- frame at the timerPos, it may handle unloaded nodes better, and it saves an extra call
-- to minetest.getnode().
meta:set_string("portal_type", portal_definition.name)
end
end
repeat
@ -927,14 +931,19 @@ function run_wormhole(timerPos, time_elapsed)
local p1, p2, frame_node_name
local meta = minetest.get_meta(timerPos)
if meta ~= nil then
p1 = minetest.string_to_pos(meta:get_string("p1"))
p2 = minetest.string_to_pos(meta:get_string("p2"))
--frame_node_name = minetest.string_to_pos(meta:get_string("frame_node_name")) don't rely on this yet until you're sure everything works with old portals that don't have this set
p1 = minetest.string_to_pos(meta:get_string("p1"))
p2 = minetest.string_to_pos(meta:get_string("p2"))
portal_name = minetest.string_to_pos(meta:get_string("portal_type")) -- don't rely on this yet until you're sure everything works with old portals that don't have this set
end
if p1 ~= nil and p2 ~= nil then
-- look up the portal shape by what it's built from, so we know where the wormhole nodes will be located
if frame_node_name == nil then frame_node_name = minetest.get_node(timerPos).name end -- timerPos should be a frame node if the shape is traditionalPortalShape
portal_definition = get_portal_definition(frame_node_name, p1, p2)
-- figure out the portal shape so we know where the wormhole nodes will be located
if portal_name ~= nil and nether.registered_portals[portal_name] ~= nil then
portal_definition = nether.registered_portals[portal_name]
else
local frame_node_name = minetest.get_node(timerPos).name -- timerPos should be a frame node if the shape is traditionalPortalShape
portal_definition = get_portal_definition(frame_node_name, p1, p2)
end
if portal_definition == nil then
minetest.log("error", "No portal with a \"" .. frame_node_name .. "\" frame is registered. run_wormhole" .. minetest.pos_to_string(timerPos) .. " was invoked but that location contains \"" .. frame_node_name .. "\"")
else