Here you can find chapters of the Excalibur video handbook, e.g. how-to guides for using Minecraft in the project. Technical guides for Minecraft and Luanti can also be found in written form here.
The different game versions of Minecraft
Playing Minecraft: basic controls and functions
Joining the Excalibur Minecraft server
Plain World Setting (Approach 1, read more about it here)
Showcase of past projects that used the Plain World Setting approach (Approach 1, read more about it here)
Example showcase of the action-based game world approach (Approach 3, read more about it here)