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refactor: grid generation

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Azgaar 2022-07-11 01:38:55 +03:00
parent d18636eb8f
commit e59b536e83
15 changed files with 157 additions and 105 deletions
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8
src/modules/markup.ts
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@ -7,7 +7,7 @@ import {aleaPRNG} from "scripts/aleaPRNG";
const {UNMARKED, LAND_COAST, WATER_COAST} = DISTANCE_FIELD;
// define features (grid.features: ocean, lakes, islands) and calculate distance field (cells.t)
export function markupGridFeatures(grid: IGraph & {cells: {h: UintArray}}) {
export function markupGridFeatures(grid: IGridWithHeights) {
TIME && console.time("markupGridFeatures");
Math.random = aleaPRNG(seed); // get the same result on heightmap edit in Erase mode
@ -173,8 +173,10 @@ export function reMarkFeatures() {
return "gulf";
}
function defineIslandGroup(cell, number) {
if (cell && features[cells.f[cell - 1]].type === "lake") return "lake_island";
function defineIslandGroup(cellId: number, number: number) {
const prevCellFeature = features[cells.f[cellId - 1]];
if (cellId && prevCellFeature && prevCellFeature.type === "lake") return "lake_island";
if (number > grid.cells.i.length / 10) return "continent";
if (number > grid.cells.i.length / 1000) return "island";
return "isle";