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try to restore river course on load

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Azgaar 2021-08-24 23:51:10 +03:00
parent 008aea2b2f
commit cfdb3a35df
2 changed files with 25 additions and 13 deletions
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37
modules/load.js
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@ -710,29 +710,40 @@ function parseLoadedData(data) {
if (version < 1.65) {
// v 1.65 changed rivers data
rivers.attr("style", null); // remove style to unhide layer
d3.select("#rivers").attr("style", null); // remove style to unhide layer
const {cells, rivers} = pack;
for (const river of pack.rivers) {
for (const river of rivers) {
const node = document.getElementById("river" + river.i);
if (node && !river.cells) {
const riverCells = new Set();
const riverCells = [];
const riverPoints = [];
const length = node.getTotalLength() / 2;
const segments = Math.ceil(length / 6);
const increment = length / segments;
for (let i = increment * segments, c = i; i >= 0; i -= increment, c += increment) {
const p1 = node.getPointAtLength(i);
const p2 = node.getPointAtLength(c);
const x = (p1.x + p2.x) / 2;
const y = (p1.y + p2.y) / 2;
const cell = findCell(x, y, 6);
if (cell) riverCells.add(cell);
for (let i = 0; i <= segments; i++) {
const shift = increment * i;
const {x: x1, y: y1} = node.getPointAtLength(length + shift);
const {x: x2, y: y2} = node.getPointAtLength(length - shift);
const x = rn((x1 + x2) / 2, 1);
const y = rn((y1 + y2) / 2, 1);
const cell = findCell(x, y);
riverPoints.push([x, y]);
riverCells.push(cell);
}
river.cells = Array.from(riverCells);
river.cells = riverCells;
river.points = riverPoints;
}
pack.cells.i.forEach(i => {
if (pack.cells.r[i] && pack.cells.h[i] < 20) pack.cells.r[i] = 0;
river.widthFactor = 1;
cells.i.forEach(i => {
const riverInWater = cells.r[i] && cells.h[i] < 20;
if (riverInWater) cells.r[i] = 0;
});
}
}

1
modules/ui/rivers-editor.js
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@ -145,6 +145,7 @@ function editRiver(id) {
const sourceFlux = fl[initCell];
fl[initCell] = fl[movedToCell];
fl[movedToCell] = sourceFlux;
redrawRiver();
}
});
}