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// ==============================================================================
// Copyright (C) 2019 - Philip Paquette, Steven Bocco
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU Affero General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
// details.
//
// You should have received a copy of the GNU Affero General Public License along
// with this program. If not, see <https://www.gnu.org/licenses/>.
// ==============================================================================
import React from "react";
import {centerSymbolAroundUnit, getUnitCenter} from "./common";
import PropTypes from "prop-types";
export class SupportHold extends React.Component {
render() {
const Coordinates = this.props.coordinates;
const SymbolSizes = this.props.symbolSizes;
const Colors = this.props.colors;
const loc = this.props.loc;
const dest_loc = this.props.dstLoc;
const symbol = 'SupportHoldUnit';
const [symbol_loc_x, symbol_loc_y] = centerSymbolAroundUnit(Coordinates, SymbolSizes, dest_loc, false, symbol);
const [loc_x, loc_y] = getUnitCenter(Coordinates, SymbolSizes, loc, false);
let [dest_loc_x, dest_loc_y] = getUnitCenter(Coordinates, SymbolSizes, dest_loc, false);
const delta_x = dest_loc_x - loc_x;
const delta_y = dest_loc_y - loc_y;
const vector_length = Math.sqrt(delta_x * delta_x + delta_y * delta_y);
const delta_dec = parseFloat(SymbolSizes[symbol].height) / 2;
dest_loc_x = '' + Math.round((parseFloat(loc_x) + (vector_length - delta_dec) / vector_length * delta_x) * 100.) / 100.;
dest_loc_y = '' + Math.round((parseFloat(loc_y) + (vector_length - delta_dec) / vector_length * delta_y) * 100.) / 100.;
return (
<g stroke={Colors[this.props.powerName]}>
<line x1={loc_x}
y1={loc_y}
x2={dest_loc_x}
y2={dest_loc_y}
className={'shadowdash'}/>
<line x1={loc_x}
y1={loc_y}
x2={dest_loc_x}
y2={dest_loc_y}
className={'supportorder'}
stroke={Colors[this.props.powerName]}/>
<use
x={symbol_loc_x}
y={symbol_loc_y}
width={SymbolSizes[symbol].width}
height={SymbolSizes[symbol].height}
href={`#${symbol}`}
/>
</g>
);
}
}
SupportHold.propTypes = {
loc: PropTypes.string.isRequired,
dstLoc: PropTypes.string.isRequired,
powerName: PropTypes.string.isRequired,
coordinates: PropTypes.object.isRequired,
symbolSizes: PropTypes.object.isRequired,
colors: PropTypes.object.isRequired
};
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