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Handle large protected depths

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Portals will now fail to ignite instead of defaulting to a fallback depth of (starty - 256) when no unprotected target can be found.
The search depth is also increased from (starty - 256) to (starty - 646)

This is to properly handle large protected areas that are sometimes set up at spawn - see issue #26
This commit is contained in:
Treer
2020-07-29 23:45:16 +10:00
parent e326a94266
commit 02d062b9c9
3 changed files with 30 additions and 9 deletions
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8
portal_api.txt
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@ -65,6 +65,8 @@ Helper functions
surface to be reused.
* player_name is optional, providing it prevents the exclusion of surface
target areas which are protected by the player.
* May return nil in extreme circumstances, such as the surface being
protected down to a great depth.
* `nether.find_nearest_working_portal(portal_name, anchorPos, distance_limit, y_factor)`: returns
(anchorPos, orientation), or nil if no portal was found within the
@ -222,7 +224,8 @@ Used by `nether.register_portal`.
-- If the location of an existing portal is returned then include the
-- orientation, otherwise the existing portal could be overwritten by
-- a new one with the orientation of the surface portal.
-- Return nil to prevent the portal from igniting.
-- Return nil, or a position with a nil y component, to prevent the
-- portal from igniting.
-- player_name may be "", e.g. if the portal was ignited by a mesecon,
-- and is provided for use with volume_is_natural_and_unprotected() etc.
@ -239,7 +242,8 @@ Used by `nether.register_portal`.
-- If the location of an existing portal is returned then include the
-- orientation, otherwise the existing portal could be overwritten by
-- a new one with the orientation of the realm portal.
-- Return nil to prevent the portal from igniting.
-- Return nil, or a position with a nil y component, to prevent the
-- portal from igniting.
-- player_name may be "", e.g. if the portal was ignited by a mesecon,
-- and is provided for use with volume_is_natural_and_unprotected() etc.