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Code Issues Releases Wiki Activity

Avoid storing the playerRef

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See https://rubenwardy.com/minetest_modding_book/en/quality/common_mistakes.html#never-store-objectrefs-ie-players-or-entities
Related: https://github.com/minetest-mods/nether/pull/12
This commit is contained in:
Treer 2020-01-12 15:46:37 +11:00 committed by SmallJoker
parent 40913ee841
commit 363872c760
2 changed files with 13 additions and 10 deletions
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20
portal_api.lua
View File

@ -1167,13 +1167,14 @@ local function ignite_portal(ignition_pos, ignition_node_name)
end end
-- invoked when a player is standing in a portal -- invoked when a player is standing in a portal
local function ensure_remote_portal_then_teleport(player, portal_definition, local_anchorPos, local_orientation, destination_wormholePos) local function ensure_remote_portal_then_teleport(playerName, portal_definition, local_anchorPos, local_orientation, destination_wormholePos)
local player = minetest.get_player_by_name(playerName)
if player == nil then return end -- player quit the game while teleporting
local playerPos = player:get_pos()
if playerPos == nil then return end -- player quit the game while teleporting
-- check player is still standing in a portal -- check player is still standing in a portal
local playerPos = player:get_pos()
if playerPos == nil then
return -- player quit the game while teleporting
end
playerPos.y = playerPos.y + 0.1 -- Fix some glitches at -8000 playerPos.y = playerPos.y + 0.1 -- Fix some glitches at -8000
if minetest.get_node(playerPos).name ~= portal_definition.wormhole_node_name then if minetest.get_node(playerPos).name ~= portal_definition.wormhole_node_name then
return -- the player has moved out of the portal return -- the player has moved out of the portal
@ -1193,7 +1194,7 @@ local function ensure_remote_portal_then_teleport(player, portal_definition, loc
if dest_wormhole_node == nil then if dest_wormhole_node == nil then
-- area not emerged yet, delay and retry -- area not emerged yet, delay and retry
if DEBUG then minetest.chat_send_all("ensure_remote_portal_then_teleport() could not find anything yet at " .. minetest.pos_to_string(destination_wormholePos)) end if DEBUG then minetest.chat_send_all("ensure_remote_portal_then_teleport() could not find anything yet at " .. minetest.pos_to_string(destination_wormholePos)) end
minetest.after(1, ensure_remote_portal_then_teleport, player, portal_definition, local_anchorPos, local_orientation, destination_wormholePos) minetest.after(1, ensure_remote_portal_then_teleport, playerName, portal_definition, local_anchorPos, local_orientation, destination_wormholePos)
else else
local local_wormholePos = portal_definition.shape.get_wormholePos_from_anchorPos(local_anchorPos, local_orientation) local local_wormholePos = portal_definition.shape.get_wormholePos_from_anchorPos(local_anchorPos, local_orientation)
@ -1225,7 +1226,7 @@ local function ensure_remote_portal_then_teleport(player, portal_definition, loc
-- play the teleport sound -- play the teleport sound
if portal_definition.sounds.teleport ~= nil then if portal_definition.sounds.teleport ~= nil then
minetest.sound_play(portal_definition.sounds.teleport, {to_player = player.name}) minetest.sound_play(portal_definition.sounds.teleport, {to_player = playerName})
end end
-- rotate the player if the destination portal is a different orientation -- rotate the player if the destination portal is a different orientation
@ -1265,7 +1266,7 @@ local function ensure_remote_portal_then_teleport(player, portal_definition, loc
destination_wormholePos destination_wormholePos
) )
end end
minetest.after(0.1, ensure_remote_portal_then_teleport, player, portal_definition, local_anchorPos, local_orientation, destination_wormholePos) minetest.after(0.1, ensure_remote_portal_then_teleport, playerName, portal_definition, local_anchorPos, local_orientation, destination_wormholePos)
end end
end end
end end
@ -1315,11 +1316,12 @@ function run_wormhole(timerPos, time_elapsed)
end end
local local_anchorPos, local_orientation = portal_definition.shape.get_anchorPos_and_orientation_from_p1_and_p2(local_p1, local_p2) local local_anchorPos, local_orientation = portal_definition.shape.get_anchorPos_and_orientation_from_p1_and_p2(local_p1, local_p2)
local playerName = obj:get_player_name()
minetest.after( minetest.after(
3, -- hopefully target area is emerged in 3 seconds 3, -- hopefully target area is emerged in 3 seconds
function() function()
ensure_remote_portal_then_teleport( ensure_remote_portal_then_teleport(
obj, playerName,
portal_definition, portal_definition,
local_anchorPos, local_anchorPos,
local_orientation, local_orientation,

3
portal_api.txt
View File

@ -16,7 +16,8 @@ Optionally decorate by choosing portal colors, particles, media etc.
See `init.lua` and `portal_examples.lua` for examples of 3 different portals. See `init.lua` and `portal_examples.lua` for examples of 3 different portals.
Portal code is more efficient when each type of portal uses a different type Portal code is more efficient when each type of portal uses a different type
of node to build its frame out of, however it is possible to register more than of node to build its frame out of - consider creating your own node for
players to build portals from. However it is possible to register more than
one kind of portal with the same frame material — such as obsidian — provided one kind of portal with the same frame material — such as obsidian — provided
the size of the PortalShape is distinct from any other type of portal that is the size of the PortalShape is distinct from any other type of portal that is
using the same node for its frame, and portal sizes remain small. using the same node for its frame, and portal sizes remain small.