Added Portals

[nihal111]

This adds portal blocks, which allow you to teleport from A to B.
There are two types of Portal blocks- blue and orange.

Activating Portals

Since there can exist many portal blocks in the world, a portal block needs to be activated to allow teleportation. To activate a portal block, it has to be interacted with by 'e' click. Activating a portal block, would deactivate previously activated portal block of the same color, i.e. no two portal blocks of same color can remain activated at once, so as to allow a discrete teleportation pathway.

Travelling through Portals

Once both the blue and orange portals are activated, you can travel/teleport thorugh them by jumping on top of the portal blocks. The portals are two-way, i.e. jumping through A will take you out of B and vice-versa.

Testing

• give bluePortalBlock
• give orangePoralBlock
• Place one of each at different locations and activate both by 'e' click
• Jump on top of anyone

Outstanding

• Teleportation happens directly without testing if the player may get stuck at the new teleported location.
  Added a check to see if blocks around are free up till playerHeight
• Check happens at CharacterMoveInputEvent, which can be optimized. This issue discusses more.
  Added an additional check inside to continue only if playerPosition has changed,
  

[Cervator]

Tested it out - code looks great and I get sensible notifications when activating the blocks, but for some reason I'm not actually triggering the teleport. Clearly you had it working at some point - am wondering if my workspace is bad or maybe the final bit of optimizing broke something? Maybe there was some stale code letting it still work using a less optimized approach?

In any case I'm sure that's easy to sort out. Let me know if you can confirm the latest working for you (try a rebuild if it does appear to work) and if so I'll have to see what's wrong on my side :-)

[nihal111]

Yep, sorry, my mistake. I missed out a line which was required for the added optimization to work. I think I had it working on a debug mode when oldPosition was somehow already initialised, while I made changes to the code. Anyway, it should work now. :)

[Cervator]

Tests out! Yay! :D

Thanks for the cool new functionality :-)