Change specified odds from "1 to [arbitrary]" to summed weights

[CyclopeanArts]

The following tables are functionally identical:

new Table('BiomeRouter', [
    new TableEntry(1, 1, 'Route to Land Biome'), // mainland tag required
    new TableEntry(2, 2, 'Route to Ocean Biome')  // island tag required
    new TableEntry(3, 6, 'Route to Hypothetical Third Biome')
])

&

new Table('BiomeRouter', [
    new TableEntry(1, 16, 'Route to Land Biome'), // mainland tag required
    new TableEntry(17, 33, 'Route to Ocean Biome')  // island tag required
    new TableEntry(34, 100, 'Route to Hypothetical Third Biome')
])

Therefore, I assume we are currently identifying the roll for the table by finding & taking the lowest & highest min/max numbers in the table.

This makes it annoying to edit table odds because the odds of every table entry depends on every other entry's specified min/max odds.

Would it be substantially less performance-friendly to instead have min/max odds be weights that are summed across the table to establish the minimum & maximum roll?

new Table('BiomeRouter', [
    new TableEntry(1, 'Route to Land Biome'), // mainland tag required
    new TableEntry(1, 'Route to Ocean Biome')  // island tag required
    new TableEntry(4, 'Route to Hypothetical Third Biome')
])

This would let us set weights relative to other entries in the table with ease, and it would dramatically simplify the process of adding or removing entries.