A simple, subtle little mod - Random Spawn Point Coordinates + Spawn Chunks within a set radius from 0,0

Minecraft has certain mechanics built into it that aren't objectively good or correct, but which tend to ripple through the design and implementation of everything else in the game.  Spawn point determinancy and spawn chunks is one of them.

Usually, because the minecraft world is procedurally generated, this isn't that much of a big deal, because you can't tell what's going on at any coordinate system and so each seed is effectively random.

But what if you had some other procedural system that was also generated off of the relationship to the world coordinates, such as say climate bands or continents, where each world is still procedurally generated but the coordinates now determine some property of the world? Such as in the modpack Au Naturel where the naturel temperature mod creates climate bands with fixed relationships to the spawn point and world origin? Well now even though your world has the full range of biomes and climates, your players are stuck always spawning in the same one.

Ah ha! you might say...well we can use some clever mods and programming and set the spawn radius to something radical.  Indeed, but there are still other mechanics and assumptions built into minecraft's engine and other mods, such as the spawning chunks existing and already being loaded, and the resetting of general spawn radiuses, and what happens on single player or multiplayer when many characters die and they can't immediately respawn because random chunks aren't generated yet, or when other mechanics such as mob spawn/despawn is skipped because of the assumption of the relationship between spawn point, loaded chunks, unloading, etc?

Enter Au Naturel - Random Spawn Point

Random spawn point allows spawn to be deterministiaclly set for a given world seed and radius, but it will effectively be some random set of coordinates between 0,0  and radius, radius.

In the case of Au Naturel, this means a given world will always have a single spawn point with loaded chunks and allow behaviour and mechanics much like vanilla, with instant respawn into already loaded chunks.  But if the world masw you spawn into a winter biome, that world seed with a radiuswill always be a winter biome spawn point world.

Yet the probability of a spawn generated in any world seed is equally distributed across the full radius of the longitude and latitude of the radius, which in the case of Au Naturel can correspond to climate zones.  With random spawn point, we can now allow each world generation to have an equal chance of generating a spawn point and spawn chunks in any possible climate climate bands.  So players have roughly corresponding odds of a world being a desert, temperate, arctic, or tropical spawn before they generated the world.

Of course, if you wish to use this for your own nefarious ends outside of Au Naturel, you are more than allowed to.

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