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refactor: lake group detection and features rendering

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This commit is contained in:
max 2022-07-23 19:53:03 +03:00
parent 4a15dc3243
commit 4b874246e3
10 changed files with 52 additions and 60 deletions
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37
src/scripts/generation/pack/lakes.ts
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@ -45,7 +45,7 @@ export const getClimateData = function (
return lakeData;
};
export const mergeLakeData = function (
export const mergeLakeDataToFeatures = function (
features: TPackFeatures,
lakeData: ILakeClimateData[],
rivers: Pick<IRiver, "i">[]
@ -57,11 +57,12 @@ export const mergeLakeData = function (
const lake = lakeData.find(lake => lake.i === feature.i);
if (!lake) return feature;
const {flux, temp, evaporation} = lake;
const {firstCell, height, flux, temp, evaporation} = lake;
const inlets = lake.inlets?.filter(inlet => rivers.find(river => river.i === inlet));
const outlet = rivers.find(river => river.i === lake.outlet)?.i;
const group = defineLakeGroup({firstCell, height, flux, temp, evaporation, inlets, outlet});
const lakeFeature: IPackFeatureLake = {...feature, flux, temp, evaporation, inlets, outlet};
const lakeFeature: IPackFeatureLake = {...feature, flux, temp, evaporation, inlets, outlet, group};
if (!inlets || !inlets.length) delete lakeFeature.inlets;
if (!outlet) delete lakeFeature.outlet;
@ -70,3 +71,33 @@ export const mergeLakeData = function (
return updatedFeatures as TPackFeatures;
};
function defineLakeGroup({
firstCell,
height,
flux,
temp,
evaporation,
inlets,
outlet
}: {
firstCell: number;
height: number;
flux: number;
temp: number;
evaporation: number;
inlets?: number[];
outlet?: number;
}): IPackFeatureLake["group"] {
if (temp < -3) return "frozen";
if (height > 60 && cells < 10 && firstCell % 10 === 0) return "lava";
if ((!inlets || !inlets.length) && !outlet) {
if (evaporation > flux * 4) return "dry";
if (cells < 3 && firstCell % 10 === 0) return "sinkhole";
}
if (!outlet && evaporation > flux) return "salt";
return "freshwater";
}