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fix: streamline texture loading and preload logic in WebGL renderer

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Azgaar 2026-03-10 22:55:08 +01:00
parent 4515232e93
commit dc06f3d65c
3 changed files with 130 additions and 147 deletions
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122
src/modules/relief-generator.ts
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@ -1,4 +1,5 @@
import { extent, polygonContains } from "d3";
import { COLORED_TO_SIMPLE_MAP, VARIANT_RANGES } from "../config/relief-config";
import {
byId,
getPackPolygon,
@ -118,127 +119,6 @@ export function generateRelief(): ReliefIcon[] {
}
}
// ── Utilities ─────────────────────────────────────────────────────────
export const RELIEF_SYMBOLS: Record<string, string[]> = {
simple: [
"relief-mount-1",
"relief-hill-1",
"relief-conifer-1",
"relief-deciduous-1",
"relief-acacia-1",
"relief-palm-1",
"relief-grass-1",
"relief-swamp-1",
"relief-dune-1",
],
gray: [
"relief-mount-2-bw",
"relief-mount-3-bw",
"relief-mount-4-bw",
"relief-mount-5-bw",
"relief-mount-6-bw",
"relief-mount-7-bw",
"relief-mountSnow-1-bw",
"relief-mountSnow-2-bw",
"relief-mountSnow-3-bw",
"relief-mountSnow-4-bw",
"relief-mountSnow-5-bw",
"relief-mountSnow-6-bw",
"relief-hill-2-bw",
"relief-hill-3-bw",
"relief-hill-4-bw",
"relief-hill-5-bw",
"relief-conifer-2-bw",
"relief-coniferSnow-1-bw",
"relief-swamp-2-bw",
"relief-swamp-3-bw",
"relief-cactus-1-bw",
"relief-cactus-2-bw",
"relief-cactus-3-bw",
"relief-deadTree-1-bw",
"relief-deadTree-2-bw",
"relief-vulcan-1-bw",
"relief-vulcan-2-bw",
"relief-vulcan-3-bw",
"relief-dune-2-bw",
"relief-grass-2-bw",
"relief-acacia-2-bw",
"relief-palm-2-bw",
"relief-deciduous-2-bw",
"relief-deciduous-3-bw",
],
colored: [
"relief-mount-2",
"relief-mount-3",
"relief-mount-4",
"relief-mount-5",
"relief-mount-6",
"relief-mount-7",
"relief-mountSnow-1",
"relief-mountSnow-2",
"relief-mountSnow-3",
"relief-mountSnow-4",
"relief-mountSnow-5",
"relief-mountSnow-6",
"relief-hill-2",
"relief-hill-3",
"relief-hill-4",
"relief-hill-5",
"relief-conifer-2",
"relief-coniferSnow-1",
"relief-swamp-2",
"relief-swamp-3",
"relief-cactus-1",
"relief-cactus-2",
"relief-cactus-3",
"relief-deadTree-1",
"relief-deadTree-2",
"relief-vulcan-1",
"relief-vulcan-2",
"relief-vulcan-3",
"relief-dune-2",
"relief-grass-2",
"relief-acacia-2",
"relief-palm-2",
"relief-deciduous-2",
"relief-deciduous-3",
],
};
// map a symbol href to its atlas set and tile index
export function resolveSprite(symbolHref: string): {
set: string;
tileIndex: number;
} {
const id = symbolHref.startsWith("#") ? symbolHref.slice(1) : symbolHref;
for (const [set, ids] of Object.entries(RELIEF_SYMBOLS)) {
const idx = ids.indexOf(id);
if (idx !== -1) return { set, tileIndex: idx };
}
throw new Error(`Relief: unknown symbol href "${symbolHref}"`);
}
const VARIANT_RANGES: Record<string, [number, number]> = {
mount: [2, 7],
mountSnow: [1, 6],
hill: [2, 5],
conifer: [2, 2],
coniferSnow: [1, 1],
swamp: [2, 3],
cactus: [1, 3],
deadTree: [1, 2],
vulcan: [1, 3],
deciduous: [2, 3],
};
const COLORED_TO_SIMPLE_MAP: Record<string, string> = {
mountSnow: "mount",
vulcan: "mount",
coniferSnow: "conifer",
cactus: "dune",
deadTree: "dune",
};
function getVariant(type: string): number {
const range = VARIANT_RANGES[type];
return range ? rand(...range) : 2;