world.py (396b134) - voxels

world.py

from libs import *
from collections import defaultdict
import region

class WorldHolder():
    def __init__(self):
        self.regions = {}

def fetch(self, pos):
        if pos in self.regions:
            return self.regions[pos]
        else:
            wr = region.WorldRegion()
            wr.pos = vec(pos)
            self.regions[pos] = wr
            self.world_natural(wr)
            wr.remesh()
            wr.onclick = (lambda s, b, c, h: self.click_region(s, b, c, h))
            return wr

def voxel_at(self, pos, voxel_type=None):
        try:
            r = next(iter(self.regions.values())).r
        except StopIteration:
            r = REGION_SIZE
        pr, pf = np.divmod(pos + 0.5, r)
        wr = self.fetch(tuple(int(r * c) for c in pr))
        it = tuple(int(c) for c in pf)
        if voxel_type is None:
            return wr.grid[*it]
        else:
            old = wr.grid[*it]
            wr.grid[*it] = voxel_type
            wr.dirty = True
            return old

def click_region(self, wr, button, coords, hand):
        match button:
            case 1:
                wr.set_voxel(coords[1])
            case 2:
                return (lambda pl: pl.set_hand(wr.grid[*coords[1]]))
            case 3:
                offset = axis2offset(coords[0])
                p = wr.set_voxel(coords[1] + offset, hand)
                if p is not None:
                    rc = wr.pos + p // wr.r * wr.r
                    awr = self.fetch(tuple(int(x) for x in rc))
                    p = p % wr.r
                    if not awr.grid[*p]:
                        awr.set_voxel(p, hand)
        if button % 2 == 1:
            for i in range(len(VERTEX_ATTRS)):
                update_attr(wr, i)

voxels

Big code cleanup and better arrow keys