* read_schematic_replacements: ensure fields are strings
add a type check before reading strings on read_schematic_replacements deserializer
* throw LuaError instead of asserting the whole client
Recent commit 45ab62d6a3d90ab3b97aec88251a766cb5dd1899 had a coding error that
made climbing out of water difficult due to an incorrect value of the step height
when not 'touching ground'.
It also incorrectly multiplied the custom stepheight by BS, resulting in being
able to step-up 2 nodes if set to the default of 0.6, or even 0.3.
Also the implementation was wrong because it customised the step height when
not 'touching ground', this step height is for a slight rise when catching the
edge of a node during a jump, and should always remain at 0.2 * BS.
Also remove hardcoded MTGame node.
The 'water surface shader' was duplicated shader code in preparation for
intended new water surface shaders. For development purposes the MTGame node
'default:water_source' had it's top tile assigned to 'water surface shader'.
Due to shader duplication this commit does not cause any change to shader
behaviour.
* Player attrs: permits to remove an attribute by setting value to nil
When doing player:set_attribute("attr", nil) remove attribute
Also remove a useless check on C++ API part (already done by checkplayer)
Fix#5709
Recent commit b6f4a9c7e1a4f0bac66fd6f6ff844425ac775975 removed a hardcoded
player collisionbox which resulted on falling back to an incorrect default.
This stopped players walking through 2-node high spaces and made the player
slightly wider.
Improve docs for custom player collisionbox feature and reformat nearby lines.
This unifies the settings APIs.
This also unifies the sync and async registration APIs, since the async
registration API did not support adding non-functions to the API table.
Default true.
Add 'm_clouds_enabled' bool to sky.h, set from new bool in 'set sky' API.
Make 'getCloudsVisible()' depend on 'm_clouds_enabled' instead of
'm_visible' (whether normal sky is visible).
* Optimize updateFastFaceRow processing by removing some TileSpec copy
It permit to decrease this function from 54% runtime to 45% and reduce copy from 14% runtime to 12.5%
getTileInfo also reduced from 27% to 23%
* makeFastFace should use a const ref too
this trigger a const pointer need in the underlying function
Also fix some code style and prevent calculating 4 times the same position at a point
* Reduce a comparison cost for lights in updateFastFaceRow
