Fantasy-Map-Generator/modules/ui/submap.js
Mészáros Gergely a3c81b24d1 updated resampler
2021-08-15 04:43:01 +02:00

90 lines
2.6 KiB
JavaScript

"use strict";
/*
UI elements for submap generation
*/
function openSubmapOptions() {
$("#submapOptionsDialog").dialog({
title: "Submap options",
resizable: false,
width: fitContent(),
position: {my: "right top", at: "right-10 top+10", of: "svg", collision: "fit"}
});
}
const generateSubmap = debounce(async function () {
// Create submap from the current map
// submap limits defined by the current window size (canvas viewport)
WARN && console.warn("Resampling current map");
closeDialogs("#worldConfigurator, #options3d");
const settings = {
promoteTown: Boolean(document.getElementById("submapPromoteTown").checked),
depressRivers: Boolean(document.getElementById("submapDepressRivers").checked),
addLakesInDepressions: Boolean(document.getElementById("submapAddLakeInDepression").checked),
}
// Create projection func from current zoom extents
const [[x0, y0], [x1, y1]] = getViewBoxExtent();
const projection = (x, y, inverse=false) => {
return inverse
? [x * (x1-x0) / graphWidth + x0, y * (y1-y0) / graphHeight + y0]
: [(x-x0) * graphWidth / (x1-x0), (y-y0) * graphHeight / (y1-y0)];
}
// fix scale
distanceScale = distanceScaleInput.value = distanceScaleOutput.value = distanceScaleOutput.value / scale;
populationRate = populationRateInput.value = populationRateOutput.value = populationRateOutput.value / scale;
customization = 0;
undraw();
resetZoom(1000);
let oldstate = {
grid: _.cloneDeep(grid),
pack: _.cloneDeep(pack),
seed,
graphWidth,
graphHeight,
};
try {
await Submap.resample(oldstate, projection, settings);
} catch (error) {
generateSubmapErrorHandler(error);
}
oldstate = null; // destroy old state to free memory
restoreLayers();
if (ThreeD.options.isOn) ThreeD.redraw();
if ($("#worldConfigurator").is(":visible")) editWorld();
}, 1000);
function generateSubmapErrorHandler(error) {
ERROR && console.error(error);
clearMainTip();
alertMessage.innerHTML = `An error is occured on map resampling. Please retry.
<br>If error is critical, clear the stored data and try again.
<p id="errorBox">${parseError(error)}</p>`;
$("#alert").dialog({
resizable: false,
title: "Generation error",
width: "32em",
buttons: {
"Clear data": function () {
localStorage.clear();
localStorage.setItem("version", version);
},
Regenerate: function () {
generateSubmap();
$(this).dialog("close");
},
Ignore: function () {
$(this).dialog("close");
}
},
position: {my: "center", at: "center", of: "svg"}
});
}