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dimensional height offset -> 1.18.1 #63

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@zsawyer zsawyer commented Jan 24, 2023

attempt to fix #35

zsawyer added 3 commits January 24, 2023 20:26
conversion scheme still converts Minecraft's a right-handed system to Mumble's left-handed system but using a different approach (switching z axis instead of previously swapping z and y axis)

fixes #55
                    // Make people in other dimensions far away so that they're muted.
                    val yAxisAdjuster = (world.registryKey.value.stableHash % 2048) * config.clientDimensionYAxisAdjust
                    camPos[1] += yAxisAdjuster

/**
 * A stable hash function designed for world IDs.
 * Different clients should be able to run this on the same world ID and get the same result.
 *
 * Based on the `djb2` hash function: [Hash Functions](http://www.cse.yorku.ca/~oz/hash.html)
 */
val Identifier.stableHash: Int
    get() {
        var hash = 5381

        for (c in this.toString()) {
            hash += (hash shl 5) + c.code
        }

        return hash
    }

fixes #35
@zsawyer zsawyer requested a review from magneticflux- January 24, 2023 21:55
@zsawyer zsawyer self-assigned this Jan 24, 2023
@zsawyer zsawyer added this to the 6.0.0 milestone Jan 24, 2023
Comment on lines +231 to +238
ResourceKey<Level> dimension = game.player.level.dimension();
if (dimension == null) {
// silently ignoring because it would become too spammy
return;
}

int configuredOffset = MumbleLinkImpl.dimensionalHeight();
int hash = LinkAPIHelper.stableHash(dimension.toString());
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I am not sure if this dimension.toString is the same as what fabrics implementation uses.

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