Fix world border edge collision (#10053)

The collision shape of the border is determined by flooring the min values and ceiling the max values, so the isCollidingWithBorder() function should mirror such behavior.
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Lulu13022002 2023-12-20 06:31:07 +01:00 committed by GitHub
parent 5385b21fd3
commit 086ca616d8
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@ -105,10 +105,10 @@ index be668387f65a633c6ac497fca632a4767a1bf3a2..e08f4e39db4ee3fed62e37364d17dcc5
}
diff --git a/src/main/java/io/papermc/paper/util/CollisionUtil.java b/src/main/java/io/papermc/paper/util/CollisionUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..acd8470b108432ac82e1d2f6efcaabd5540214c2
index 0000000000000000000000000000000000000000..ee0331a6bc40cdde08d926fd8eb1dc642630c2e5
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/CollisionUtil.java
@@ -0,0 +1,1850 @@
@@ -0,0 +1,1851 @@
+package io.papermc.paper.util;
+
+import io.papermc.paper.util.collisions.CachedShapeData;
@ -1655,11 +1655,12 @@ index 0000000000000000000000000000000000000000..acd8470b108432ac82e1d2f6efcaabd5
+
+ public static boolean isCollidingWithBorder(final WorldBorder worldborder, final double boxMinX, final double boxMaxX,
+ final double boxMinZ, final double boxMaxZ) {
+ final double borderMinX = worldborder.getMinX(); // -X
+ final double borderMaxX = worldborder.getMaxX(); // +X
+ // border size is rounded like the collide voxel shape of the border
+ final double borderMinX = Math.floor(worldborder.getMinX()); // -X
+ final double borderMaxX = Math.ceil(worldborder.getMaxX()); // +X
+
+ final double borderMinZ = worldborder.getMinZ(); // -Z
+ final double borderMaxZ = worldborder.getMaxZ(); // +Z
+ final double borderMinZ = Math.floor(worldborder.getMinZ()); // -Z
+ final double borderMaxZ = Math.ceil(worldborder.getMaxZ()); // +Z
+
+ // inverted check for world border enclosing the specified box expanded by -EPSILON
+ return (borderMinX - boxMinX) > CollisionUtil.COLLISION_EPSILON || (borderMaxX - boxMaxX) < -CollisionUtil.COLLISION_EPSILON ||