Flight (glide) false positive when standing on a shulker box as it closes

[zedwick]

General Information

PAC version : 2.0.0-pre5

Server version : Paper version git-Paper-444 (MC: 1.13.2) (Implementing API version 1.13.2-R0.1-SNAPSHOT)

Explanation of issue

If you stand on a shulker box and you (or someone else) opens it and closes it whilst you are standing on it, when the top moves down as it closes you will fail a Flight check.

Affected blocks:

• SHULKER_BOX
• WHITE_SHULKER_BOX
• ORANGE_SHULKER_BOX
• MAGENTA_SHULKER_BOX
• LIGHT_BLUE_SHULKER_BOX
• YELLOW_SHULKER_BOX
• LIME_SHULKER_BOX
• PINK_SHULKER_BOX
• GRAY_SHULKER_BOX
• LIGHT_GRAY_SHULKER_BOX
• CYAN_SHULKER_BOX
• PURPLE_SHULKER_BOX
• BLUE_SHULKER_BOX
• BROWN_SHULKER_BOX
• GREEN_SHULKER_BOX
• RED_SHULKER_BOX
• BLACK_SHULKER_BOX