Resolve any potential NullPointerException throws caused by Entity#getClosestPlayer()

MinicraftPlus / minicraft-plus-revived

Minicraft+, an extension of Notch's original minicraft project, with tons more features.

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Resolve any potential NullPointerException throws caused by Entity#getClosestPlayer() #603

Closed BenCheung0422 closed 8 months ago

BenCheung0422 commented 8 months ago

Resolves #602 A NullPointerException would be thrown as there are missing null handles. This kind of potential bugs would be reduced by the time #512 is finished.

Known ways to reproduce:

Player dies when there is a spark exists (can be generated by AirWizard) (? to 2.2.0-dev4)
Player dies when Obsidian Knight is active. (Unchecked) (2.2.0-dev3 to 2.2.0-dev4)